LOTS OF VARIED interesting news pass month Lets start Robin Lehmans report scale flying Switzerland Soaring enthusiasts love seeing big scale gliders Europe seem build bigger fly actively Robin Big Apple dweller will have extensive article upcoming Model Aviation preview group enthusiasts meet twice year Switzerland call themselves Interessengemeinschaft Grossegler interested large gliders just happened Switzerland IGG get-togethers airport Belp just south Bern spent two solid days airtowing gliders None less 375 meters wing span ranged size upwards one-third scale beyond sailplanes scale immaculate some seventy-odd gliders flew plus ten tow planes mostly scale quarter-sized Piper Cub one-third Sukoi several quarter-sized larger Caps two Wilgas non-scale tug Quadra 100 three lines gliders ready towed times two days literally hundreds flights Quite eventI plan go back Robin may remember Robin article air towing June 1989 Model Aviation Robin does flying Long Island probably has biggest fleet big scale ships country Denver also small active group air towers includes Herb Smith Ray Marvin Stew Bergner Vince Lopez son Eric Denver group unique tow tail tow planes identical fullscale maybe because Herb Ray Stew also full-scale pilots 46 Model Aviation E3 Soaring Byron Blakeslee 3134 N WInnebago Dr Sedalla CO 80135 Grosseglers GIant scaic meeting Switzerland big scale gliders waiting airtowed quite meet Giant Mlnimoa Able Buhlmann right Wing span 68 meters 22 feet weight 24 kIlos 53 pounds ship took 1000 hours build photo above Robin Lehman New Model 20 winch high-start retriever left VMC Flight Photo shows guide arm launch position Line comes off end spool through hole top arm low Model 20 wIth guide arm re trIeve position Arm oscillates level-wind line spool Left foot pedal swings arm right pedal actuates retrieve motor Chuck Lonre snows tancy naw wing graphics bottom Magics wings Wow Chuck tells about plane columntruly fascinating reading 1/16-INCH36 483/16-INCH36 48 1/16//116063/161/3/16 1418 1116 o 3/32073/16 1/41520 1/161/1/809 123/16/13/61722 1/161/3/1610143/1601221 27 1/161/1411163/16/13/43041 1/161/38 14 18l/4-INCH3846 1/161/1/21721 1/161/3/422301/41/ 1/41722 1/41/3/81927 3/32-INCH36461/41/1/22231 3/321/33209121/41/3/43445 3/321/ 1/810145/16-INCH3646 3/321/3/161116 3/321/1/414175/161/5/1623 29 3/321/3/615205/161/3/82532 5/161/1/23039 3/321/1/21722 3/321/ 3/425 335/16 /1 3/442 56 3/6-INCH36 46 1/8-INCH 36 46 ___________________ 3/8 1/3/62940 1/81/1/809123/61/1/23344 1/81/31612163/81/3/44764 1/81/1/41418 1/61/3/817221/2-INCH3648 1/81/1/218261/21/1/24052 1/81/3/426351/21/3/45675 Double Balsa Wood Prices Spraceend COMPOSITE MATERIALKIflING SERVICE Sheets ks Rods TubesPeanut 1/3 Scale Carbon FiberKevlar S-GlossRohacell Foam Cutting Die Cutting Machine Sanded Parts LII LTWUUU 1/6012012 82 1/81/121/24164 1/81/121/48328 TAPERED TRAILING 600636 48 1/80 1/22432 3/16e3/43142 1/4014258 5/16o 1-1/44765 3/81/1-1/25677 1/21/283 3/41/3159 TRIANGULAR CUT BALSA 1/40 1/4/13627 3/8 o 3/8 0 3631 1/201/203640 3/4 1/ 34 r 3650 1o1e3660 BALSA PLANKS 1e3o36246 104036324 2021/36246 21/31/36352 2041/36486 3o3e36924 1/ 0 00728 Normal RC practice connect tow line close center gravity CG tug usually wing trailing edge high winger glider cannot throw tug out control flying too high too low However Denver guys have no problems towing tail Herb has beautifully detailed third-scale Super Cub pull thirdscale ASW 20 says secret fly tug smoothly coordinated turns tell glider pilot tug going can maintain position right behind VMC Flights Model 20 Retrieval System Ernie Barter VMC Flight sent video description partner Dick Bensons new retriever watching Model 20 retrieve both high-starts winch lines video impression well thought out engineered machine unit looks like little winch arm off side arm actually guide leads line off end spool during launch glider releases operator steps foot lever back unit swings arm around front spool step another lever turns spool motor same time arm oscillates back forth level-wind line An odd looking feature system little propeller attached retrieval line about 3 feet ahead tow ring Its purpose spin twist out line works whos argue recently end October talked Ernie about trying Model 20 obvious Ernie very excited about retriever said hed love lend first production batch 100 units sitting shop awaiting delivery motors motors should arrive December couple issues should have first-hand story tell meantime heres what Ernie says about Model 20 VMC Flight have developed retriever efficient fast reliable handles both high-start winch launch systems concept new respect line handling joy use retriever standup foot-operated hands off self-contained system Gone February 1992 47 1-INCH36 463-INCH36 461/640121/12195 1/81/6012107 1/160129391/321/343571/641/121/24389 1/81/121/12213 1/8o12o24425 3/321/132431/161/346821/640121/488011/81/12048850 1/81/135473/321/356751/64 0 48 e 483204 3/160 139521/81/364861/321/61/12783/160601279 3/16o3771023/161/121/12156 1/41/144611/403981201/321/121/121563/161/12024314 3/81/157775/161/31101431/321/121/24312 3/161/121/48626 1/20 I70943/8031281711/321/121/48625 1/4061/1279 2-INCH36481/21/3161 2141/161/601278 1/41/121/12156 1/321/232434-INCH36481/16 1/120121861/40121/24314 1/161/239511/320470931/161/12024312 1/41/12048626 3/321/244581/161/478 1081/161/12048625 3/81/12012193 1/81/24964 3/320488 1173/81/121/24385 3/161/258771/81/41021303/321/61/12973/8012048770 3/181/41221623/321/121/12194 1/41/26790141/41402073/80 120 12218 3/81/2821103/81/41952903/321/120243873/80 121/24433 1/21/21211811/21/42343483/321/120487743/81/121/48865 NEW PRODUCTS tND SERVICES Continued page 101 F V1Quiet Flight Sourcebook Sailpianes Electric flight excellent new where-to-buy reference book Don Edberg Anyone Interested silent flight should see struts popping out dont want poking through top wing Landing gear shock struts made telescoping brass tubing described kits directions landing gear fairings attached fuselage again per kit attachment gear legs made %2 nylon landing gear clamps end trimmed off method looks much less obvious rubber bands suggested kit Cubs simple foot step fashioned /16 music wire glued two holes drilled fuselage after covering back-up block glued inside fuselage additional gluing area support step Cub uses Enya 60 four-stroke power am firm believer high quality fuels ability ward off perceived problems four-stroke engines can wonderful aid audio side scale modelings realism just dont abuse use castor oil 12h% nitro dont tweak get last two rpm need additional power badly should have used two-stroke installed larger four-stroke built model didnt lend itself well four-strokes throaty sound would like hear few suggestions low EDF Emotional Debt Factor fun-type scale models youd like see covered series Goldbergs J-3 Anniversary Cub has very well received will continue present models believe will interest RC Scale columns readers Thats friends let know what youd like see next joint building project will Dynaflites Fun-Scale TM P-S 1 Mustang Next Cub pony probably popular aircraft time Mark Smiths Dynaflite design great airplane making everyday builder look like pronot bench air Did know term Fun Scale actually registered trademark Dynaflites Well thats reasons choosing Mustang over other P-S available feel entire fun-scale modeling fraternity owes Dynaflite small debt gratitude recognizing needs everyday modeler like scale airplanes yet still dont feel compelled build high commitment models Mark Smith has designed series expressly modelers Dynaflite has seven different kits available Fun-Scale TM series 40-size pony unquestionably cover telephone call Bob Bankas Scale Model Research see Model Aviation s advertising directory ad address telephone number got great 8 /2 x 11 three-view beautiful set photos PAUL PAUL color scheme lends itself very well film Tell Control Horn Go Wont Get Bent Out Shape airplane enthusiast know has same problems control horns flex bend break-what else new Introducing Sullivan 555 toughest control horn ever made Craftecfwith tempered steel instead plastic nickelplated wear resistance Sullivan Control Horn 555 built exacting specifications eliminate flex flutter Better still comes complete glass-filled nylon bushing prevent metal-to-metal contact radio interference sized fit either devises Sullivans New Ball Joint System easy off-axis movement lilt Sullivan 555 Finally control horn p PRODUCTS thats made right stuff PD Box 5166 Baiflmore MD 21224 Getting Better Ideas Off Ground covering jobs will make perfect subject useful instructionals several other areas Scale Model Researchs photo packs available fifty-seven different Mustangs Bob has excellent three-views compliment five Now thats onestop documentation shopping scale modeling friends round up Mustang kits order photos three-views check supplies glue fresh razor blades get ready visit World War TwoFun-Scale style says have pro fly Mustang Dynaflite has tamed pony have ride Til next time build straight fly safely RC Soaring/Blakeslee Continued page 47 tangled twisted lines past Launch retrieval takes about minute ring ready next launch Flying narrow fields obstructions cross-wind conditions now possible because speed Model 20 pulls line back ground about 25 mph launch retrieval line isnt allowed time drift away As reliability system has ultimate test Mark Triebes has repeatedly launched Mueller Comet 89T Pedal metal awesome wing-cracking zooms Model 20 February 1992 101 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIA PITCH THP 1266778 14677/u8 1567 16678 PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 6456BIul 9456677 1045667 106W8W 106EW 11467T/778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 pjorld S beSt 5e~flg spark grttlOfl sstem1 Chosen Byrmi Odicels ThG Mfg mul AM DJrcraft Saqqdy its outstanding rehal*ty Complete single cyl nder System nclud ng~fl throttlecoupled spark advance kt spark battery pack charger 900 sh elded____ spark plug leadMuch lunger engine kte Easy hand starts-no kickback 1ANNI-12800 RPM relable nile 0% power en fern strokers om histahtion aveldile Lower priced fuse no nitro needed Shielded qik plum bed 90 plug cover Fornyenpiesfl&qi2&4stroke sbtgleidtwhicyhders oIgaoductsavaiable Soark eels seerk ehus shielded ohm bed b tiab hits inviable isnt bothered Thats say retriever line isnt singing leaves spool convinced other tying retriever line cannon ball severe test cant found Model 20 has proven itself over 150 continuous rapid-fire retrievalsall hitch line untwisting device patent applied custom ball bearing main motor wiper action guide low power consumption motors light weight portability ease operation make Model 20 real asset glider flying weekend pilot sets out fly can now spend time flying bad air days merely allow landing practice test ability walk miles pulling parachute Model 20 priced $31900 comes complete instructional video retrieval line untwisting device battery hook-up leads Power requirement 12-volt auto deep-cycle type battery Direct connection winch battery also practical back Model 20 no questions asked unconditional 30-day money back guarantee addition except retrieval line guaranteed free defects 90 days toll free order number 1-800-225-0364 7 am 5 pm Pacific time Any questions can phoned 408/973-3333 Ask Ernie Address VMC Flight 18971 Fembrook Ct Saratoga CA 95070 Magic Lessons Chuck Lohre Chuck newsletter editor Cincinnati Soaring Society sent very interesting report experiences new Magic Actually its too long fit single column Ill print half month half next month Over Chuck day last November received RIC Soaring Digest Model Aviation magazines both information about Magic 138-in unlimited soaring glider Frank Weston knew exactly hi-tech construction performance sailplane looking never built built-up wing used iron-on coverings again would too soon decided order Spectra epoxy-bagged version $500 vs $300 because didnt want invest SAVE YOUR FIELD SNUF-LER muffler low cost easy install lightweight sound reducing muffler no performance penalty answer AMA muffler rule suggestIons saving flying fields Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possible 300-500 RPM increase improves engine idle s better fuel economy Easily attached 25-108 stock muff bra Heat corrosion resistant Black E cost finish No special adapters requIred Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 255 STAMP accepted Add $2S0for UPS $250 COD sod 6% oslestsoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG 102 Model Aviation THE LEADER IN COM PETITION PROPELLERS NEW NEW hIj C PYLON RACING SERIES 500 DIAPITCH 7SN 5N 8I67/z78 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE M MAnAAW SN U FFLERTM MUFFLER Patented great deal time money skills equipment bag own Id see what should expect first construction features really sold all-Kevlar male molded fuselage epoxy-bonded Spectra directly over foam wings servos wings T-tail slip-on nose cone access performance specsa reported 291 L/D lift drag ratiosounded great too type construction wanted learn build future models needed new radio too chose Airtronics Vision bells whistles far popular Nationals hoped radio could go grave Finally big day arrived UPS delivered kit immediately worked free hour get built May contest club scheduled Construction went well Franks instructions great also readily available answer questions I made first hand-launch test glides 630 am Thursday before contest just glided glided elated hadnt felt high since learning soar full-scale spending afternoon up clouds give Frank credit Magics off board flight followed instructions precisely alignment balance etc evening launched Magic again high start time Again awesome soon realized lot learn about programming radio trimming plane flying Klingberg Wing Gentle Lady wasnt afraid size plane because also have 11-footspan Astro Flight ASW 17 prepared fast flight wide turns landing set-up skills Klingberg Wing prepared aileron use test bed Vision contest day Magic flew well certainly achieved above average air times still learn land Just shows cant buy trophies After contest flew fun flight got pretty high wind picked upsomeand working some ridge lift off tree line thermal developed Since getting far downwind started heading back Now earlier Magic shown exceptional penetration Id won some bets regarding getting back landing site calm conditions glider guiders worst fearsink trouble hadnt yet programmed plane/radio penetrate flip switch figured glide ratio good enough just make Magic finally made over notch tree line few feet spare slowed too much spun hitting tree 30 feet up dropping out sight amazed got up saw no visual breaks minimal damage ego hurt FThaJ]y An Engine Mount stern Wont Shake Rattle Roll fly model planes dont have tell theres whole lotta shakin goin now theres something cando about Sullivan Flex Mount System Its engine mounting sys tem has specially designed rubber isolators absorb engine vibration reduce noise limit wear tear modeL thats Flex-Mount comes aluminum adaptor plate makes easy mount 40 60 90 two-cycle engines firewall strap mount beam mounting four-cycle engines So dont jitterbug IJk dealer Sullivan Flex-Mount engine mount ing system thought rock roll would never die P0 Box 5166 Baltimore MD 21224 got big lift came over hill plane piece heard big cheer took few minutes evening repair damage Magic superior plane performs letter Previously lesser performance planes just couldnt tell insofar trimming quirks go just exactly what going will take longer get completely dialed glider especially learning fly rudder opposite aileron thermals would full-scale outside wing always produces drag because traveling faster producing lift plane will slip fuselage will rotate away line turn soon let off rudder Also because extra lift plane will continue increase angle bank thus requiring slight amount opposite aileron programming about 5% flaps coupled elevator thermal turns youll get about four0 flaps correct amount slower flying speed Also youll get minus 30 little down elevator June flew sanctioned contests Dayton put DARTS Club launches higher others zooming good head wind CG right towhook 40% per plans Launch Continued page 106 February 1992 103 Getting Better Ideas Off Ground Serious Horsepower1 06 ST VS Rossi & Webra Parts Service Custom Engines Accessories Qave Shadel Performance Specialties Send $1 00for fully illustrated catalog Available VS Lang & Short Stroke 05 Long Stroke 05 6IFSR 0S4OVRP/VF 05 91 VROF STX-40 Rossi 40 coming soon information Call 702 265-7523 Hours 10 am 5 pm Monday Thursday PO Box 3146 nerville NV 89410 RC Soaring/Blakeslee Continued page 103 settings 150 flaps 100 up elevator too nervous flying smoothly flying full-scale takes half hour settle down fly smoothly Again landings poor Bob McGowans piece Soaring column July issue MA right Keep nose down dont take flaps off quickly plane will stall hardest part planning just right amount flaps use seemed needed avoid making long straight-in approach because depth perception poor orientation kept landing short now come past myself downwind height dependent wind 60 120 feet establish needed rate decent flaps needed make big 1800 turn wind try gently adjust flaps diameter turn needed depending wind speed decent rate set up short final about 150 feet applying little less flaps can get Magic come spot consistently Flying other planes drag can drop nose speed up burn off energy cant Magic Again its like full-scale example landing draggy Schweizer 233 trainer L/D 221 Clark Y airfoil guppy fuselage wing struts can side slip just approach fast Flying glass slipper like Grob LID 321 wont able land doing plane too slippery side slip very little increase drag increased speed have approach lowest speed possible 1 1A times stall speed plus half wind normal spoilers effective Flying Magic different flaps flew full-scale Blanik once used flaps thermaling during landing Its operating procedures use flaps landing Top bottom dive brakes used landing control Blanik Magics flaps act drag generators flying fast slowsort contradiction during landing Magic has made learning thermaling techniques lot fun few occasions Ive saved flight well below launch heightthats really fun part sport once saved 600 feet Schweizer 1-26 L/D 231 1 remember precision concentration needed maintain bank angle precisely speed exactly 20 45 mph stall occurs 28 mph level 40 mph 200 continually re centering lift thermal think triggered corn silo lifted back up 3500 feet day during practice Magic pretty windy due strong convection going gotten couple good flights hadnt made landings Im little shy about keeping plane good heading landing speed little hot After its lot money Nationals two weeks away Ive since learned full 900 flaps cures too hot landing speed problem third launch got very strong thermal going up fast Suddenly plane got thrown out flipped over its side went steep dive panicked pulled full up elevator right wing panel bent up 300 end 24-inch-long spruce spar applying flaps wing maintained its shape made gentle landing Frank shipped new set wings 42in spar next day work cut out getting ready Nationals reflection about incident realized should have used flaps slow dive first rather trying pull out high speed Chucks Magic Lessons will continued next month F YI Quiet flight brand new reference book giving information virtually everything youre likely need hobby compiled being published Don Edberg RCMs Soaring Continued page 127 lU GAIN CONTROL Losing control can nightmare wrong response given command can take its toll model nerves walletl Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 Futaba ______ ne 5524 N Palafox Pensacola FL 32503 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line Orders Only Pleasel 106 Model Aviation z CESSNA BOBC RT 1-50 UC-78 editor two-time F3B Team pilot labor love Don because its obvious has put lot work book will quiet flight bible contains gold information us like buy kinds hobby stuff Don describes book intended make task finding information aspects RC soaring electric flight much easier includes wealth information topics such RC systems sailplane electric kits construction finishing materials launching apparatus instructional materials other categories way F YI Quiet Flight reference available lists larger manufacturers right along small cottage industries know just important todays modelers fact information over 350 manufacturers listed over 10000 lines data contained 312 pages What unique about book items listed categorynot brand name example find out about releasable towhooks merely looks index under towhooks rather searching through manufacturers New CDX FAILSAFE R/C System Single Channel R/C Revisited 1 Looking some inexpensive N/C Fun 2 Interested Nostalgic Oldtimer N/C 3 1/ZA Texaco scale Schoolyard scale 4 Considering electric indoor RIC FILSAFE~0 CO~L 5CSTEM System shown No 8400 Series BEC August 1991 issue Flying Models Bob Aherle says decided try indoor flying. what lot potential fun winter months just rainy day Cal Orr April 1991 issue R/C Modeler wrote transmitter 27Mhz tested AMA Silver Sticker. will interfere 72 Mhz modelers. has excellent range seems operate well large metropolitan area. new Cox FAILSAFE H/C system digital non-proportional single channel radio trimmable flight No escapements worry about no need tie up big rig small low cost model receiver/servo less batteries weighs ONLY 19 ounces Thousands have sold flown Electric Flyboy Thrbo Centurion Are ready new single channel experience fun See new Cox FAILSAFE R/C System favorite hobby retailer unavailable call Cox Toll Free 800/451-0339 listing wont find sort information other commercial directories fact F YI has sources entries pages covering just Sailpianes Electrics either well-known directories covering aircraft includes very useful items found others F Y Quiet Flight full-size softbound book retailing $1995 including shipping handling CA residents add 775% sales tax Order Dynamic Modeling 4922 Rochelle Avenue Irvine CA 92714-2941 Phone 1800-SEND FYI orders 714/5521812 information 724172067 CompuServe Clubs groups buy four Cot No 8400 Series BEC Cat No 8500 Series BEC Available 27 Mhz Channels 1 thin 6 COX HOBBIES INC 350 West Rincon St Couna CA 91720 1991 COX HOBBIES INC copies get free 20% discount New Magazine Silent Flight really excellent new publication Its first English language full-size magazine devoted Soaring Electrics published England Argus Specialist Publications large publisher put out Radio Control Models & Electronics Radio Modeler several other model magazines first issue Silent Flight dated Autumn 1991 will come out four times year beauty Silent Flight has in-depth coverage types RC Soaring Electric gliders Scanning Continued page 131 - 60 Engino Sizo Epoxy Fiberglass Fuselage Kit -Sopor Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt Hirobo GMP & Schluler Kit includes Bodys Clear Canopy Landing Flesable Tail Drive Unit WoodIDV Hardware Manual Blueprint some oLE IIIJ ui models also include Pilolstation Macbin Gun Rocket Radar Dome & Shocks 521 Sinclair Frontage Rd Milpitas CA 95035 AH-1S TOW COBRA 36995 AH-64 APACHE 38995 UH-1B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 Ph 408-942-9525 FAX 408-942-9524 February 1992 127 RC Soaring/Blakeslee Continued page 106 WORLD CLASS R/C HELICOPTERS & ACCESSORIES IMPORT & EXPORT Subscriptions can ordered right RC Soaring/Blakesleein USA Wise Owl Worldwide Continued page 127Publications 4314 West 238th Street Torrance CA 90505 price $2400 year includes free binder $4800 two years includes binder extra free copy cost per copy high account shipping costs Im sure youll like down contents first issue note columns Slope soaring Vintage gliders F3F Slope Racing Power Scale Slope soaring F3J & Thermal soaring Electrics F3B New Products World News articles Thermic Prowler Open class soarer Czechoslovakia Norman Deans magnificent ASK 18 Cliff Charlesworth plans extensive report experimental German 5B13 full-scale flying wing short lot fine reading Soaring enthusiasts Visibility Aircraft Color Schemes Wayne Angevine Boulder Colorado Visibility important criterion choice color scheme sailplane After cant see cant fly Unlike other modelers fly far away high up good color scheme can make difference between successful flight lost airplane sometimes see tables colors ranked least visible other such discussions magazines newsletters tables always rank light colors visible dark colors least Most us know observation thats really way works gliders reading book connection work finally gave reasoning problem book called Probing Atmospheric Boundary Layer published American Meteorological Society chapters Visibility Measurement MK 231 OR PFM 3200 Alooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA MATh1st PLACE WINNER 1985 NA TB EXPERT PORSCHE FI7TED MOONEY RADIO 4-6 CHANNEL ENGINE 901082 CYCLE 120-4 CYCLE SPAN 88 AREA 990 SO IN WEIGHT 12-15 lbs Information send SASE Plene end Instructione $30 S&H February 1992 131 -loergiass Liowlings WinOsrilelO lip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full Instructions Scale Spinner WAYNE SIEWERT 2740 31St Ave MPLS MN 55406 USA612-722-7564 Just Time Christmas ALL NEW FINISHING FRIEND SYSTEM 12 Hnislung Fnend YOU Guaranteed help build FASTER BETIIR have lots MORE PUN 3rd hand vice FF9 securely holds model out away wo*bench Los ANY angle hands FREE Sanding ceting painting EASY because model nottouched outside surtace OUTSTANDING QUAL3TYcomes UFEIlME GUARANTEE onoa ouas TODAYI Join fan satisfied customers say TQWNOP0*0FF YC4J LNBWP UT 5 $H 1311 Ernst 161st St ngfigIj ff4 44 3174964043 MC Send BABE fsw Omchww VISA Techniques discusses definitions limits visibility environment very similar ie ability distinguish object some distance through air daylight article bit mathematical quite bit longer have space will summarize relevant material visibility plane depends apparent contrast between its background background bright sky have airplane particular color will present some contrast its background its close up As path through air between pilot plane gets distant light sun scattered air toward pilot making plane appear brighter thus --- -I /11 I7 tAH 2O Ya didnt AI5 J chance see quarter-scale Radio Control plane land around did ya pal wwi AERO 1900-1919 SKYWAYS 1920-1940 Far restorer builder & serious modeller early aircraft information current projects news museums airshows technical drawings data photographs scale modelling material news current publications historical research workshop notes intormation painlicolor aeroplanes engines parts sale wants disposals 1 year subscription $25Overseas $30Sample issues $4 Published WORLD WAR 1 2epona6 INC 15 Crescent Road Poughkeepsie NY 12601 USA 914 473-3679 PRODUCTS Complete Line Exhaust Systems TunedMuffled Tuned PiDes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsupaased WarkmanshiD 8 PerformanCe 132 Model Aviation presenting less contrast conclusion maximum visibility achieved black aitplane lighter color shorter distance over plane can distinguished sky So discussions visibility come opposite conclusion suspect tables drawn up different environmentthat land vehicle against ground environment youre painting ambulance fire truck course thats what want times black airplane may ideal example youre flying against dark cloud something lighter might good Most pilots ii 1p & SEND ~Cq9 FORRULES~~ AND PRE-ENTRY INFO SUN VALLEY FLYERS- c/c DAN BOTT PO BOX 1167 CAREFREE AZ 85371 Bus 800-7274888 Home 602-438-9210 iT AMA SANCTION #20043 CAVE BUTTES FIELD PHOENIX AZ 1332 AUZOfA JIT CZZCTACULAII FEBRUARY 22 & 23 concerned about visibility make planes least half black red dark blue bottom least white light panel contrast dark clouds considerations found article cited arent ones need taken account Obviously small plane becomes invisible shorter distance large willnot because its color because eye cant resolve small objects So its important break up color scheme small pieces prefer make major panel bottom wing color time visibility critical youre low flying toward yourself trying desperately make back landing circle can see point leading edge wing top bottom leading edge different colors have lost half apparent cross section recommend making top leading edge same color bottom least another dark color Slope soarers have worry about visibility against ground may want ignore above E RC Giants/de Vries Continued page 49 have appearing magazines work very well However carriers weve seen limited transport single model few include provisions hauling fuselage wing fixtures arent included design friends Jennings Products PO Box 1121 Hendersonville TN 37033-1 121 have come up neat answer model transport storage problem Model Aircraft Carrier & Storage Rack modular wooden components accommodates three four complete models wings storage home also hold trip club field looks like good hangar rash preventer Have Happy New Year E responding advertIsers mentIon thBt read Bbout Model Aviation FULL BODY PILOT KIT contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble tinish Some simple sewing required Fully positionable tool Price #206-/ scale995 #205-A scale1095 #2O41/ scale1195 #203-V3 scale1795 DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust * Some simple sewing required See Dealer add Dollar direct order handling February 1992 133 yrcFrNo IOU PLANE VIDEO Presents AEROB ATICS AND GROUND SCHOOL 105 minutes AERODYNAMICS AND STALL THEORY plus HOW TO DO control inputal Proper takeoils Loops rolls SpinsSnap rolls Proper landings crosswind techniques $1995 plus $3005/H lforeign-$600 5/NI BUILDING IT RIGHT THE FIRST TIME 22 hour Videotapes Wing constrsction Radio Installation Fuselage conat ruction Engine set up RadioinstallationPushrods Fuel syslemscovering wilh film Propsand spinnersAlignmentBalancing shearwebbingPLUS MUCH MORE $3495 plus $400 S/H lforeign-$8OO S/HI Plane Video RO Box 23128available VISAClive IA 50325 IOWA residenis add 4% sales las 800383-8251TouFREE - OR 515-223-0597 BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Price #lOS/s scale NEW 695 #106-% scale #l05-/s scale. #lO4-/u scale. f103-/u scale ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7O/ las Send check money order coos OK Send $100 catalog
Edition: Model Aviation - 1992/02
Page Numbers: 46, 47, 101, 102, 103, 106, 127, 131, 132, 133
LOTS OF VARIED interesting news pass month Lets start Robin Lehmans report scale flying Switzerland Soaring enthusiasts love seeing big scale gliders Europe seem build bigger fly actively Robin Big Apple dweller will have extensive article upcoming Model Aviation preview group enthusiasts meet twice year Switzerland call themselves Interessengemeinschaft Grossegler interested large gliders just happened Switzerland IGG get-togethers airport Belp just south Bern spent two solid days airtowing gliders None less 375 meters wing span ranged size upwards one-third scale beyond sailplanes scale immaculate some seventy-odd gliders flew plus ten tow planes mostly scale quarter-sized Piper Cub one-third Sukoi several quarter-sized larger Caps two Wilgas non-scale tug Quadra 100 three lines gliders ready towed times two days literally hundreds flights Quite eventI plan go back Robin may remember Robin article air towing June 1989 Model Aviation Robin does flying Long Island probably has biggest fleet big scale ships country Denver also small active group air towers includes Herb Smith Ray Marvin Stew Bergner Vince Lopez son Eric Denver group unique tow tail tow planes identical fullscale maybe because Herb Ray Stew also full-scale pilots 46 Model Aviation E3 Soaring Byron Blakeslee 3134 N WInnebago Dr Sedalla CO 80135 Grosseglers GIant scaic meeting Switzerland big scale gliders waiting airtowed quite meet Giant Mlnimoa Able Buhlmann right Wing span 68 meters 22 feet weight 24 kIlos 53 pounds ship took 1000 hours build photo above Robin Lehman New Model 20 winch high-start retriever left VMC Flight Photo shows guide arm launch position Line comes off end spool through hole top arm low Model 20 wIth guide arm re trIeve position Arm oscillates level-wind line spool Left foot pedal swings arm right pedal actuates retrieve motor Chuck Lonre snows tancy naw wing graphics bottom Magics wings Wow Chuck tells about plane columntruly fascinating reading 1/16-INCH36 483/16-INCH36 48 1/16//116063/161/3/16 1418 1116 o 3/32073/16 1/41520 1/161/1/809 123/16/13/61722 1/161/3/1610143/1601221 27 1/161/1411163/16/13/43041 1/161/38 14 18l/4-INCH3846 1/161/1/21721 1/161/3/422301/41/ 1/41722 1/41/3/81927 3/32-INCH36461/41/1/22231 3/321/33209121/41/3/43445 3/321/ 1/810145/16-INCH3646 3/321/3/161116 3/321/1/414175/161/5/1623 29 3/321/3/615205/161/3/82532 5/161/1/23039 3/321/1/21722 3/321/ 3/425 335/16 /1 3/442 56 3/6-INCH36 46 1/8-INCH 36 46 ___________________ 3/8 1/3/62940 1/81/1/809123/61/1/23344 1/81/31612163/81/3/44764 1/81/1/41418 1/61/3/817221/2-INCH3648 1/81/1/218261/21/1/24052 1/81/3/426351/21/3/45675 Double Balsa Wood Prices Spraceend COMPOSITE MATERIALKIflING SERVICE Sheets ks Rods TubesPeanut 1/3 Scale Carbon FiberKevlar S-GlossRohacell Foam Cutting Die Cutting Machine Sanded Parts LII LTWUUU 1/6012012 82 1/81/121/24164 1/81/121/48328 TAPERED TRAILING 600636 48 1/80 1/22432 3/16e3/43142 1/4014258 5/16o 1-1/44765 3/81/1-1/25677 1/21/283 3/41/3159 TRIANGULAR CUT BALSA 1/40 1/4/13627 3/8 o 3/8 0 3631 1/201/203640 3/4 1/ 34 r 3650 1o1e3660 BALSA PLANKS 1e3o36246 104036324 2021/36246 21/31/36352 2041/36486 3o3e36924 1/ 0 00728 Normal RC practice connect tow line close center gravity CG tug usually wing trailing edge high winger glider cannot throw tug out control flying too high too low However Denver guys have no problems towing tail Herb has beautifully detailed third-scale Super Cub pull thirdscale ASW 20 says secret fly tug smoothly coordinated turns tell glider pilot tug going can maintain position right behind VMC Flights Model 20 Retrieval System Ernie Barter VMC Flight sent video description partner Dick Bensons new retriever watching Model 20 retrieve both high-starts winch lines video impression well thought out engineered machine unit looks like little winch arm off side arm actually guide leads line off end spool during launch glider releases operator steps foot lever back unit swings arm around front spool step another lever turns spool motor same time arm oscillates back forth level-wind line An odd looking feature system little propeller attached retrieval line about 3 feet ahead tow ring Its purpose spin twist out line works whos argue recently end October talked Ernie about trying Model 20 obvious Ernie very excited about retriever said hed love lend first production batch 100 units sitting shop awaiting delivery motors motors should arrive December couple issues should have first-hand story tell meantime heres what Ernie says about Model 20 VMC Flight have developed retriever efficient fast reliable handles both high-start winch launch systems concept new respect line handling joy use retriever standup foot-operated hands off self-contained system Gone February 1992 47 1-INCH36 463-INCH36 461/640121/12195 1/81/6012107 1/160129391/321/343571/641/121/24389 1/81/121/12213 1/8o12o24425 3/321/132431/161/346821/640121/488011/81/12048850 1/81/135473/321/356751/64 0 48 e 483204 3/160 139521/81/364861/321/61/12783/160601279 3/16o3771023/161/121/12156 1/41/144611/403981201/321/121/121563/161/12024314 3/81/157775/161/31101431/321/121/24312 3/161/121/48626 1/20 I70943/8031281711/321/121/48625 1/4061/1279 2-INCH36481/21/3161 2141/161/601278 1/41/121/12156 1/321/232434-INCH36481/16 1/120121861/40121/24314 1/161/239511/320470931/161/12024312 1/41/12048626 3/321/244581/161/478 1081/161/12048625 3/81/12012193 1/81/24964 3/320488 1173/81/121/24385 3/161/258771/81/41021303/321/61/12973/8012048770 3/181/41221623/321/121/12194 1/41/26790141/41402073/80 120 12218 3/81/2821103/81/41952903/321/120243873/80 121/24433 1/21/21211811/21/42343483/321/120487743/81/121/48865 NEW PRODUCTS tND SERVICES Continued page 101 F V1Quiet Flight Sourcebook Sailpianes Electric flight excellent new where-to-buy reference book Don Edberg Anyone Interested silent flight should see struts popping out dont want poking through top wing Landing gear shock struts made telescoping brass tubing described kits directions landing gear fairings attached fuselage again per kit attachment gear legs made %2 nylon landing gear clamps end trimmed off method looks much less obvious rubber bands suggested kit Cubs simple foot step fashioned /16 music wire glued two holes drilled fuselage after covering back-up block glued inside fuselage additional gluing area support step Cub uses Enya 60 four-stroke power am firm believer high quality fuels ability ward off perceived problems four-stroke engines can wonderful aid audio side scale modelings realism just dont abuse use castor oil 12h% nitro dont tweak get last two rpm need additional power badly should have used two-stroke installed larger four-stroke built model didnt lend itself well four-strokes throaty sound would like hear few suggestions low EDF Emotional Debt Factor fun-type scale models youd like see covered series Goldbergs J-3 Anniversary Cub has very well received will continue present models believe will interest RC Scale columns readers Thats friends let know what youd like see next joint building project will Dynaflites Fun-Scale TM P-S 1 Mustang Next Cub pony probably popular aircraft time Mark Smiths Dynaflite design great airplane making everyday builder look like pronot bench air Did know term Fun Scale actually registered trademark Dynaflites Well thats reasons choosing Mustang over other P-S available feel entire fun-scale modeling fraternity owes Dynaflite small debt gratitude recognizing needs everyday modeler like scale airplanes yet still dont feel compelled build high commitment models Mark Smith has designed series expressly modelers Dynaflite has seven different kits available Fun-Scale TM series 40-size pony unquestionably cover telephone call Bob Bankas Scale Model Research see Model Aviation s advertising directory ad address telephone number got great 8 /2 x 11 three-view beautiful set photos PAUL PAUL color scheme lends itself very well film Tell Control Horn Go Wont Get Bent Out Shape airplane enthusiast know has same problems control horns flex bend break-what else new Introducing Sullivan 555 toughest control horn ever made Craftecfwith tempered steel instead plastic nickelplated wear resistance Sullivan Control Horn 555 built exacting specifications eliminate flex flutter Better still comes complete glass-filled nylon bushing prevent metal-to-metal contact radio interference sized fit either devises Sullivans New Ball Joint System easy off-axis movement lilt Sullivan 555 Finally control horn p PRODUCTS thats made right stuff PD Box 5166 Baiflmore MD 21224 Getting Better Ideas Off Ground covering jobs will make perfect subject useful instructionals several other areas Scale Model Researchs photo packs available fifty-seven different Mustangs Bob has excellent three-views compliment five Now thats onestop documentation shopping scale modeling friends round up Mustang kits order photos three-views check supplies glue fresh razor blades get ready visit World War TwoFun-Scale style says have pro fly Mustang Dynaflite has tamed pony have ride Til next time build straight fly safely RC Soaring/Blakeslee Continued page 47 tangled twisted lines past Launch retrieval takes about minute ring ready next launch Flying narrow fields obstructions cross-wind conditions now possible because speed Model 20 pulls line back ground about 25 mph launch retrieval line isnt allowed time drift away As reliability system has ultimate test Mark Triebes has repeatedly launched Mueller Comet 89T Pedal metal awesome wing-cracking zooms Model 20 February 1992 101 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIA PITCH THP 1266778 14677/u8 1567 16678 PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 6456BIul 9456677 1045667 106W8W 106EW 11467T/778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 pjorld S beSt 5e~flg spark grttlOfl sstem1 Chosen Byrmi Odicels ThG Mfg mul AM DJrcraft Saqqdy its outstanding rehal*ty Complete single cyl nder System nclud ng~fl throttlecoupled spark advance kt spark battery pack charger 900 sh elded____ spark plug leadMuch lunger engine kte Easy hand starts-no kickback 1ANNI-12800 RPM relable nile 0% power en fern strokers om histahtion aveldile Lower priced fuse no nitro needed Shielded qik plum bed 90 plug cover Fornyenpiesfl&qi2&4stroke sbtgleidtwhicyhders oIgaoductsavaiable Soark eels seerk ehus shielded ohm bed b tiab hits inviable isnt bothered Thats say retriever line isnt singing leaves spool convinced other tying retriever line cannon ball severe test cant found Model 20 has proven itself over 150 continuous rapid-fire retrievalsall hitch line untwisting device patent applied custom ball bearing main motor wiper action guide low power consumption motors light weight portability ease operation make Model 20 real asset glider flying weekend pilot sets out fly can now spend time flying bad air days merely allow landing practice test ability walk miles pulling parachute Model 20 priced $31900 comes complete instructional video retrieval line untwisting device battery hook-up leads Power requirement 12-volt auto deep-cycle type battery Direct connection winch battery also practical back Model 20 no questions asked unconditional 30-day money back guarantee addition except retrieval line guaranteed free defects 90 days toll free order number 1-800-225-0364 7 am 5 pm Pacific time Any questions can phoned 408/973-3333 Ask Ernie Address VMC Flight 18971 Fembrook Ct Saratoga CA 95070 Magic Lessons Chuck Lohre Chuck newsletter editor Cincinnati Soaring Society sent very interesting report experiences new Magic Actually its too long fit single column Ill print half month half next month Over Chuck day last November received RIC Soaring Digest Model Aviation magazines both information about Magic 138-in unlimited soaring glider Frank Weston knew exactly hi-tech construction performance sailplane looking never built built-up wing used iron-on coverings again would too soon decided order Spectra epoxy-bagged version $500 vs $300 because didnt want invest SAVE YOUR FIELD SNUF-LER muffler low cost easy install lightweight sound reducing muffler no performance penalty answer AMA muffler rule suggestIons saving flying fields Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possible 300-500 RPM increase improves engine idle s better fuel economy Easily attached 25-108 stock muff bra Heat corrosion resistant Black E cost finish No special adapters requIred Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 255 STAMP accepted Add $2S0for UPS $250 COD sod 6% oslestsoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG 102 Model Aviation THE LEADER IN COM PETITION PROPELLERS NEW NEW hIj C PYLON RACING SERIES 500 DIAPITCH 7SN 5N 8I67/z78 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE M MAnAAW SN U FFLERTM MUFFLER Patented great deal time money skills equipment bag own Id see what should expect first construction features really sold all-Kevlar male molded fuselage epoxy-bonded Spectra directly over foam wings servos wings T-tail slip-on nose cone access performance specsa reported 291 L/D lift drag ratiosounded great too type construction wanted learn build future models needed new radio too chose Airtronics Vision bells whistles far popular Nationals hoped radio could go grave Finally big day arrived UPS delivered kit immediately worked free hour get built May contest club scheduled Construction went well Franks instructions great also readily available answer questions I made first hand-launch test glides 630 am Thursday before contest just glided glided elated hadnt felt high since learning soar full-scale spending afternoon up clouds give Frank credit Magics off board flight followed instructions precisely alignment balance etc evening launched Magic again high start time Again awesome soon realized lot learn about programming radio trimming plane flying Klingberg Wing Gentle Lady wasnt afraid size plane because also have 11-footspan Astro Flight ASW 17 prepared fast flight wide turns landing set-up skills Klingberg Wing prepared aileron use test bed Vision contest day Magic flew well certainly achieved above average air times still learn land Just shows cant buy trophies After contest flew fun flight got pretty high wind picked upsomeand working some ridge lift off tree line thermal developed Since getting far downwind started heading back Now earlier Magic shown exceptional penetration Id won some bets regarding getting back landing site calm conditions glider guiders worst fearsink trouble hadnt yet programmed plane/radio penetrate flip switch figured glide ratio good enough just make Magic finally made over notch tree line few feet spare slowed too much spun hitting tree 30 feet up dropping out sight amazed got up saw no visual breaks minimal damage ego hurt FThaJ]y An Engine Mount stern Wont Shake Rattle Roll fly model planes dont have tell theres whole lotta shakin goin now theres something cando about Sullivan Flex Mount System Its engine mounting sys tem has specially designed rubber isolators absorb engine vibration reduce noise limit wear tear modeL thats Flex-Mount comes aluminum adaptor plate makes easy mount 40 60 90 two-cycle engines firewall strap mount beam mounting four-cycle engines So dont jitterbug IJk dealer Sullivan Flex-Mount engine mount ing system thought rock roll would never die P0 Box 5166 Baltimore MD 21224 got big lift came over hill plane piece heard big cheer took few minutes evening repair damage Magic superior plane performs letter Previously lesser performance planes just couldnt tell insofar trimming quirks go just exactly what going will take longer get completely dialed glider especially learning fly rudder opposite aileron thermals would full-scale outside wing always produces drag because traveling faster producing lift plane will slip fuselage will rotate away line turn soon let off rudder Also because extra lift plane will continue increase angle bank thus requiring slight amount opposite aileron programming about 5% flaps coupled elevator thermal turns youll get about four0 flaps correct amount slower flying speed Also youll get minus 30 little down elevator June flew sanctioned contests Dayton put DARTS Club launches higher others zooming good head wind CG right towhook 40% per plans Launch Continued page 106 February 1992 103 Getting Better Ideas Off Ground Serious Horsepower1 06 ST VS Rossi & Webra Parts Service Custom Engines Accessories Qave Shadel Performance Specialties Send $1 00for fully illustrated catalog Available VS Lang & Short Stroke 05 Long Stroke 05 6IFSR 0S4OVRP/VF 05 91 VROF STX-40 Rossi 40 coming soon information Call 702 265-7523 Hours 10 am 5 pm Monday Thursday PO Box 3146 nerville NV 89410 RC Soaring/Blakeslee Continued page 103 settings 150 flaps 100 up elevator too nervous flying smoothly flying full-scale takes half hour settle down fly smoothly Again landings poor Bob McGowans piece Soaring column July issue MA right Keep nose down dont take flaps off quickly plane will stall hardest part planning just right amount flaps use seemed needed avoid making long straight-in approach because depth perception poor orientation kept landing short now come past myself downwind height dependent wind 60 120 feet establish needed rate decent flaps needed make big 1800 turn wind try gently adjust flaps diameter turn needed depending wind speed decent rate set up short final about 150 feet applying little less flaps can get Magic come spot consistently Flying other planes drag can drop nose speed up burn off energy cant Magic Again its like full-scale example landing draggy Schweizer 233 trainer L/D 221 Clark Y airfoil guppy fuselage wing struts can side slip just approach fast Flying glass slipper like Grob LID 321 wont able land doing plane too slippery side slip very little increase drag increased speed have approach lowest speed possible 1 1A times stall speed plus half wind normal spoilers effective Flying Magic different flaps flew full-scale Blanik once used flaps thermaling during landing Its operating procedures use flaps landing Top bottom dive brakes used landing control Blanik Magics flaps act drag generators flying fast slowsort contradiction during landing Magic has made learning thermaling techniques lot fun few occasions Ive saved flight well below launch heightthats really fun part sport once saved 600 feet Schweizer 1-26 L/D 231 1 remember precision concentration needed maintain bank angle precisely speed exactly 20 45 mph stall occurs 28 mph level 40 mph 200 continually re centering lift thermal think triggered corn silo lifted back up 3500 feet day during practice Magic pretty windy due strong convection going gotten couple good flights hadnt made landings Im little shy about keeping plane good heading landing speed little hot After its lot money Nationals two weeks away Ive since learned full 900 flaps cures too hot landing speed problem third launch got very strong thermal going up fast Suddenly plane got thrown out flipped over its side went steep dive panicked pulled full up elevator right wing panel bent up 300 end 24-inch-long spruce spar applying flaps wing maintained its shape made gentle landing Frank shipped new set wings 42in spar next day work cut out getting ready Nationals reflection about incident realized should have used flaps slow dive first rather trying pull out high speed Chucks Magic Lessons will continued next month F YI Quiet flight brand new reference book giving information virtually everything youre likely need hobby compiled being published Don Edberg RCMs Soaring Continued page 127 lU GAIN CONTROL Losing control can nightmare wrong response given command can take its toll model nerves walletl Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 Futaba ______ ne 5524 N Palafox Pensacola FL 32503 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line Orders Only Pleasel 106 Model Aviation z CESSNA BOBC RT 1-50 UC-78 editor two-time F3B Team pilot labor love Don because its obvious has put lot work book will quiet flight bible contains gold information us like buy kinds hobby stuff Don describes book intended make task finding information aspects RC soaring electric flight much easier includes wealth information topics such RC systems sailplane electric kits construction finishing materials launching apparatus instructional materials other categories way F YI Quiet Flight reference available lists larger manufacturers right along small cottage industries know just important todays modelers fact information over 350 manufacturers listed over 10000 lines data contained 312 pages What unique about book items listed categorynot brand name example find out about releasable towhooks merely looks index under towhooks rather searching through manufacturers New CDX FAILSAFE R/C System Single Channel R/C Revisited 1 Looking some inexpensive N/C Fun 2 Interested Nostalgic Oldtimer N/C 3 1/ZA Texaco scale Schoolyard scale 4 Considering electric indoor RIC FILSAFE~0 CO~L 5CSTEM System shown No 8400 Series BEC August 1991 issue Flying Models Bob Aherle says decided try indoor flying. what lot potential fun winter months just rainy day Cal Orr April 1991 issue R/C Modeler wrote transmitter 27Mhz tested AMA Silver Sticker. will interfere 72 Mhz modelers. has excellent range seems operate well large metropolitan area. new Cox FAILSAFE H/C system digital non-proportional single channel radio trimmable flight No escapements worry about no need tie up big rig small low cost model receiver/servo less batteries weighs ONLY 19 ounces Thousands have sold flown Electric Flyboy Thrbo Centurion Are ready new single channel experience fun See new Cox FAILSAFE R/C System favorite hobby retailer unavailable call Cox Toll Free 800/451-0339 listing wont find sort information other commercial directories fact F YI has sources entries pages covering just Sailpianes Electrics either well-known directories covering aircraft includes very useful items found others F Y Quiet Flight full-size softbound book retailing $1995 including shipping handling CA residents add 775% sales tax Order Dynamic Modeling 4922 Rochelle Avenue Irvine CA 92714-2941 Phone 1800-SEND FYI orders 714/5521812 information 724172067 CompuServe Clubs groups buy four Cot No 8400 Series BEC Cat No 8500 Series BEC Available 27 Mhz Channels 1 thin 6 COX HOBBIES INC 350 West Rincon St Couna CA 91720 1991 COX HOBBIES INC copies get free 20% discount New Magazine Silent Flight really excellent new publication Its first English language full-size magazine devoted Soaring Electrics published England Argus Specialist Publications large publisher put out Radio Control Models & Electronics Radio Modeler several other model magazines first issue Silent Flight dated Autumn 1991 will come out four times year beauty Silent Flight has in-depth coverage types RC Soaring Electric gliders Scanning Continued page 131 - 60 Engino Sizo Epoxy Fiberglass Fuselage Kit -Sopor Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt Hirobo GMP & Schluler Kit includes Bodys Clear Canopy Landing Flesable Tail Drive Unit WoodIDV Hardware Manual Blueprint some oLE IIIJ ui models also include Pilolstation Macbin Gun Rocket Radar Dome & Shocks 521 Sinclair Frontage Rd Milpitas CA 95035 AH-1S TOW COBRA 36995 AH-64 APACHE 38995 UH-1B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 Ph 408-942-9525 FAX 408-942-9524 February 1992 127 RC Soaring/Blakeslee Continued page 106 WORLD CLASS R/C HELICOPTERS & ACCESSORIES IMPORT & EXPORT Subscriptions can ordered right RC Soaring/Blakesleein USA Wise Owl Worldwide Continued page 127Publications 4314 West 238th Street Torrance CA 90505 price $2400 year includes free binder $4800 two years includes binder extra free copy cost per copy high account shipping costs Im sure youll like down contents first issue note columns Slope soaring Vintage gliders F3F Slope Racing Power Scale Slope soaring F3J & Thermal soaring Electrics F3B New Products World News articles Thermic Prowler Open class soarer Czechoslovakia Norman Deans magnificent ASK 18 Cliff Charlesworth plans extensive report experimental German 5B13 full-scale flying wing short lot fine reading Soaring enthusiasts Visibility Aircraft Color Schemes Wayne Angevine Boulder Colorado Visibility important criterion choice color scheme sailplane After cant see cant fly Unlike other modelers fly far away high up good color scheme can make difference between successful flight lost airplane sometimes see tables colors ranked least visible other such discussions magazines newsletters tables always rank light colors visible dark colors least Most us know observation thats really way works gliders reading book connection work finally gave reasoning problem book called Probing Atmospheric Boundary Layer published American Meteorological Society chapters Visibility Measurement MK 231 OR PFM 3200 Alooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA MATh1st PLACE WINNER 1985 NA TB EXPERT PORSCHE FI7TED MOONEY RADIO 4-6 CHANNEL ENGINE 901082 CYCLE 120-4 CYCLE SPAN 88 AREA 990 SO IN WEIGHT 12-15 lbs Information send SASE Plene end Instructione $30 S&H February 1992 131 -loergiass Liowlings WinOsrilelO lip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full Instructions Scale Spinner WAYNE SIEWERT 2740 31St Ave MPLS MN 55406 USA612-722-7564 Just Time Christmas ALL NEW FINISHING FRIEND SYSTEM 12 Hnislung Fnend YOU Guaranteed help build FASTER BETIIR have lots MORE PUN 3rd hand vice FF9 securely holds model out away wo*bench Los ANY angle hands FREE Sanding ceting painting EASY because model nottouched outside surtace OUTSTANDING QUAL3TYcomes UFEIlME GUARANTEE onoa ouas TODAYI Join fan satisfied customers say TQWNOP0*0FF YC4J LNBWP UT 5 $H 1311 Ernst 161st St ngfigIj ff4 44 3174964043 MC Send BABE fsw Omchww VISA Techniques discusses definitions limits visibility environment very similar ie ability distinguish object some distance through air daylight article bit mathematical quite bit longer have space will summarize relevant material visibility plane depends apparent contrast between its background background bright sky have airplane particular color will present some contrast its background its close up As path through air between pilot plane gets distant light sun scattered air toward pilot making plane appear brighter thus --- -I /11 I7 tAH 2O Ya didnt AI5 J chance see quarter-scale Radio Control plane land around did ya pal wwi AERO 1900-1919 SKYWAYS 1920-1940 Far restorer builder & serious modeller early aircraft information current projects news museums airshows technical drawings data photographs scale modelling material news current publications historical research workshop notes intormation painlicolor aeroplanes engines parts sale wants disposals 1 year subscription $25Overseas $30Sample issues $4 Published WORLD WAR 1 2epona6 INC 15 Crescent Road Poughkeepsie NY 12601 USA 914 473-3679 PRODUCTS Complete Line Exhaust Systems TunedMuffled Tuned PiDes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsupaased WarkmanshiD 8 PerformanCe 132 Model Aviation presenting less contrast conclusion maximum visibility achieved black aitplane lighter color shorter distance over plane can distinguished sky So discussions visibility come opposite conclusion suspect tables drawn up different environmentthat land vehicle against ground environment youre painting ambulance fire truck course thats what want times black airplane may ideal example youre flying against dark cloud something lighter might good Most pilots ii 1p & SEND ~Cq9 FORRULES~~ AND PRE-ENTRY INFO SUN VALLEY FLYERS- c/c DAN BOTT PO BOX 1167 CAREFREE AZ 85371 Bus 800-7274888 Home 602-438-9210 iT AMA SANCTION #20043 CAVE BUTTES FIELD PHOENIX AZ 1332 AUZOfA JIT CZZCTACULAII FEBRUARY 22 & 23 concerned about visibility make planes least half black red dark blue bottom least white light panel contrast dark clouds considerations found article cited arent ones need taken account Obviously small plane becomes invisible shorter distance large willnot because its color because eye cant resolve small objects So its important break up color scheme small pieces prefer make major panel bottom wing color time visibility critical youre low flying toward yourself trying desperately make back landing circle can see point leading edge wing top bottom leading edge different colors have lost half apparent cross section recommend making top leading edge same color bottom least another dark color Slope soarers have worry about visibility against ground may want ignore above E RC Giants/de Vries Continued page 49 have appearing magazines work very well However carriers weve seen limited transport single model few include provisions hauling fuselage wing fixtures arent included design friends Jennings Products PO Box 1121 Hendersonville TN 37033-1 121 have come up neat answer model transport storage problem Model Aircraft Carrier & Storage Rack modular wooden components accommodates three four complete models wings storage home also hold trip club field looks like good hangar rash preventer Have Happy New Year E responding advertIsers mentIon thBt read Bbout Model Aviation FULL BODY PILOT KIT contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble tinish Some simple sewing required Fully positionable tool Price #206-/ scale995 #205-A scale1095 #2O41/ scale1195 #203-V3 scale1795 DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust * Some simple sewing required See Dealer add Dollar direct order handling February 1992 133 yrcFrNo IOU PLANE VIDEO Presents AEROB ATICS AND GROUND SCHOOL 105 minutes AERODYNAMICS AND STALL THEORY plus HOW TO DO control inputal Proper takeoils Loops rolls SpinsSnap rolls Proper landings crosswind techniques $1995 plus $3005/H lforeign-$600 5/NI BUILDING IT RIGHT THE FIRST TIME 22 hour Videotapes Wing constrsction Radio Installation Fuselage conat ruction Engine set up RadioinstallationPushrods Fuel syslemscovering wilh film Propsand spinnersAlignmentBalancing shearwebbingPLUS MUCH MORE $3495 plus $400 S/H lforeign-$8OO S/HI Plane Video RO Box 23128available VISAClive IA 50325 IOWA residenis add 4% sales las 800383-8251TouFREE - OR 515-223-0597 BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Price #lOS/s scale NEW 695 #106-% scale #l05-/s scale. #lO4-/u scale. f103-/u scale ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7O/ las Send check money order coos OK Send $100 catalog
Edition: Model Aviation - 1992/02
Page Numbers: 46, 47, 101, 102, 103, 106, 127, 131, 132, 133
LOTS OF VARIED interesting news pass month Lets start Robin Lehmans report scale flying Switzerland Soaring enthusiasts love seeing big scale gliders Europe seem build bigger fly actively Robin Big Apple dweller will have extensive article upcoming Model Aviation preview group enthusiasts meet twice year Switzerland call themselves Interessengemeinschaft Grossegler interested large gliders just happened Switzerland IGG get-togethers airport Belp just south Bern spent two solid days airtowing gliders None less 375 meters wing span ranged size upwards one-third scale beyond sailplanes scale immaculate some seventy-odd gliders flew plus ten tow planes mostly scale quarter-sized Piper Cub one-third Sukoi several quarter-sized larger Caps two Wilgas non-scale tug Quadra 100 three lines gliders ready towed times two days literally hundreds flights Quite eventI plan go back Robin may remember Robin article air towing June 1989 Model Aviation Robin does flying Long Island probably has biggest fleet big scale ships country Denver also small active group air towers includes Herb Smith Ray Marvin Stew Bergner Vince Lopez son Eric Denver group unique tow tail tow planes identical fullscale maybe because Herb Ray Stew also full-scale pilots 46 Model Aviation E3 Soaring Byron Blakeslee 3134 N WInnebago Dr Sedalla CO 80135 Grosseglers GIant scaic meeting Switzerland big scale gliders waiting airtowed quite meet Giant Mlnimoa Able Buhlmann right Wing span 68 meters 22 feet weight 24 kIlos 53 pounds ship took 1000 hours build photo above Robin Lehman New Model 20 winch high-start retriever left VMC Flight Photo shows guide arm launch position Line comes off end spool through hole top arm low Model 20 wIth guide arm re trIeve position Arm oscillates level-wind line spool Left foot pedal swings arm right pedal actuates retrieve motor Chuck Lonre snows tancy naw wing graphics bottom Magics wings Wow Chuck tells about plane columntruly fascinating reading 1/16-INCH36 483/16-INCH36 48 1/16//116063/161/3/16 1418 1116 o 3/32073/16 1/41520 1/161/1/809 123/16/13/61722 1/161/3/1610143/1601221 27 1/161/1411163/16/13/43041 1/161/38 14 18l/4-INCH3846 1/161/1/21721 1/161/3/422301/41/ 1/41722 1/41/3/81927 3/32-INCH36461/41/1/22231 3/321/33209121/41/3/43445 3/321/ 1/810145/16-INCH3646 3/321/3/161116 3/321/1/414175/161/5/1623 29 3/321/3/615205/161/3/82532 5/161/1/23039 3/321/1/21722 3/321/ 3/425 335/16 /1 3/442 56 3/6-INCH36 46 1/8-INCH 36 46 ___________________ 3/8 1/3/62940 1/81/1/809123/61/1/23344 1/81/31612163/81/3/44764 1/81/1/41418 1/61/3/817221/2-INCH3648 1/81/1/218261/21/1/24052 1/81/3/426351/21/3/45675 Double Balsa Wood Prices Spraceend COMPOSITE MATERIALKIflING SERVICE Sheets ks Rods TubesPeanut 1/3 Scale Carbon FiberKevlar S-GlossRohacell Foam Cutting Die Cutting Machine Sanded Parts LII LTWUUU 1/6012012 82 1/81/121/24164 1/81/121/48328 TAPERED TRAILING 600636 48 1/80 1/22432 3/16e3/43142 1/4014258 5/16o 1-1/44765 3/81/1-1/25677 1/21/283 3/41/3159 TRIANGULAR CUT BALSA 1/40 1/4/13627 3/8 o 3/8 0 3631 1/201/203640 3/4 1/ 34 r 3650 1o1e3660 BALSA PLANKS 1e3o36246 104036324 2021/36246 21/31/36352 2041/36486 3o3e36924 1/ 0 00728 Normal RC practice connect tow line close center gravity CG tug usually wing trailing edge high winger glider cannot throw tug out control flying too high too low However Denver guys have no problems towing tail Herb has beautifully detailed third-scale Super Cub pull thirdscale ASW 20 says secret fly tug smoothly coordinated turns tell glider pilot tug going can maintain position right behind VMC Flights Model 20 Retrieval System Ernie Barter VMC Flight sent video description partner Dick Bensons new retriever watching Model 20 retrieve both high-starts winch lines video impression well thought out engineered machine unit looks like little winch arm off side arm actually guide leads line off end spool during launch glider releases operator steps foot lever back unit swings arm around front spool step another lever turns spool motor same time arm oscillates back forth level-wind line An odd looking feature system little propeller attached retrieval line about 3 feet ahead tow ring Its purpose spin twist out line works whos argue recently end October talked Ernie about trying Model 20 obvious Ernie very excited about retriever said hed love lend first production batch 100 units sitting shop awaiting delivery motors motors should arrive December couple issues should have first-hand story tell meantime heres what Ernie says about Model 20 VMC Flight have developed retriever efficient fast reliable handles both high-start winch launch systems concept new respect line handling joy use retriever standup foot-operated hands off self-contained system Gone February 1992 47 1-INCH36 463-INCH36 461/640121/12195 1/81/6012107 1/160129391/321/343571/641/121/24389 1/81/121/12213 1/8o12o24425 3/321/132431/161/346821/640121/488011/81/12048850 1/81/135473/321/356751/64 0 48 e 483204 3/160 139521/81/364861/321/61/12783/160601279 3/16o3771023/161/121/12156 1/41/144611/403981201/321/121/121563/161/12024314 3/81/157775/161/31101431/321/121/24312 3/161/121/48626 1/20 I70943/8031281711/321/121/48625 1/4061/1279 2-INCH36481/21/3161 2141/161/601278 1/41/121/12156 1/321/232434-INCH36481/16 1/120121861/40121/24314 1/161/239511/320470931/161/12024312 1/41/12048626 3/321/244581/161/478 1081/161/12048625 3/81/12012193 1/81/24964 3/320488 1173/81/121/24385 3/161/258771/81/41021303/321/61/12973/8012048770 3/181/41221623/321/121/12194 1/41/26790141/41402073/80 120 12218 3/81/2821103/81/41952903/321/120243873/80 121/24433 1/21/21211811/21/42343483/321/120487743/81/121/48865 NEW PRODUCTS tND SERVICES Continued page 101 F V1Quiet Flight Sourcebook Sailpianes Electric flight excellent new where-to-buy reference book Don Edberg Anyone Interested silent flight should see struts popping out dont want poking through top wing Landing gear shock struts made telescoping brass tubing described kits directions landing gear fairings attached fuselage again per kit attachment gear legs made %2 nylon landing gear clamps end trimmed off method looks much less obvious rubber bands suggested kit Cubs simple foot step fashioned /16 music wire glued two holes drilled fuselage after covering back-up block glued inside fuselage additional gluing area support step Cub uses Enya 60 four-stroke power am firm believer high quality fuels ability ward off perceived problems four-stroke engines can wonderful aid audio side scale modelings realism just dont abuse use castor oil 12h% nitro dont tweak get last two rpm need additional power badly should have used two-stroke installed larger four-stroke built model didnt lend itself well four-strokes throaty sound would like hear few suggestions low EDF Emotional Debt Factor fun-type scale models youd like see covered series Goldbergs J-3 Anniversary Cub has very well received will continue present models believe will interest RC Scale columns readers Thats friends let know what youd like see next joint building project will Dynaflites Fun-Scale TM P-S 1 Mustang Next Cub pony probably popular aircraft time Mark Smiths Dynaflite design great airplane making everyday builder look like pronot bench air Did know term Fun Scale actually registered trademark Dynaflites Well thats reasons choosing Mustang over other P-S available feel entire fun-scale modeling fraternity owes Dynaflite small debt gratitude recognizing needs everyday modeler like scale airplanes yet still dont feel compelled build high commitment models Mark Smith has designed series expressly modelers Dynaflite has seven different kits available Fun-Scale TM series 40-size pony unquestionably cover telephone call Bob Bankas Scale Model Research see Model Aviation s advertising directory ad address telephone number got great 8 /2 x 11 three-view beautiful set photos PAUL PAUL color scheme lends itself very well film Tell Control Horn Go Wont Get Bent Out Shape airplane enthusiast know has same problems control horns flex bend break-what else new Introducing Sullivan 555 toughest control horn ever made Craftecfwith tempered steel instead plastic nickelplated wear resistance Sullivan Control Horn 555 built exacting specifications eliminate flex flutter Better still comes complete glass-filled nylon bushing prevent metal-to-metal contact radio interference sized fit either devises Sullivans New Ball Joint System easy off-axis movement lilt Sullivan 555 Finally control horn p PRODUCTS thats made right stuff PD Box 5166 Baiflmore MD 21224 Getting Better Ideas Off Ground covering jobs will make perfect subject useful instructionals several other areas Scale Model Researchs photo packs available fifty-seven different Mustangs Bob has excellent three-views compliment five Now thats onestop documentation shopping scale modeling friends round up Mustang kits order photos three-views check supplies glue fresh razor blades get ready visit World War TwoFun-Scale style says have pro fly Mustang Dynaflite has tamed pony have ride Til next time build straight fly safely RC Soaring/Blakeslee Continued page 47 tangled twisted lines past Launch retrieval takes about minute ring ready next launch Flying narrow fields obstructions cross-wind conditions now possible because speed Model 20 pulls line back ground about 25 mph launch retrieval line isnt allowed time drift away As reliability system has ultimate test Mark Triebes has repeatedly launched Mueller Comet 89T Pedal metal awesome wing-cracking zooms Model 20 February 1992 101 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIA PITCH THP 1266778 14677/u8 1567 16678 PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 6456BIul 9456677 1045667 106W8W 106EW 11467T/778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 pjorld S beSt 5e~flg spark grttlOfl sstem1 Chosen Byrmi Odicels ThG Mfg mul AM DJrcraft Saqqdy its outstanding rehal*ty Complete single cyl nder System nclud ng~fl throttlecoupled spark advance kt spark battery pack charger 900 sh elded____ spark plug leadMuch lunger engine kte Easy hand starts-no kickback 1ANNI-12800 RPM relable nile 0% power en fern strokers om histahtion aveldile Lower priced fuse no nitro needed Shielded qik plum bed 90 plug cover Fornyenpiesfl&qi2&4stroke sbtgleidtwhicyhders oIgaoductsavaiable Soark eels seerk ehus shielded ohm bed b tiab hits inviable isnt bothered Thats say retriever line isnt singing leaves spool convinced other tying retriever line cannon ball severe test cant found Model 20 has proven itself over 150 continuous rapid-fire retrievalsall hitch line untwisting device patent applied custom ball bearing main motor wiper action guide low power consumption motors light weight portability ease operation make Model 20 real asset glider flying weekend pilot sets out fly can now spend time flying bad air days merely allow landing practice test ability walk miles pulling parachute Model 20 priced $31900 comes complete instructional video retrieval line untwisting device battery hook-up leads Power requirement 12-volt auto deep-cycle type battery Direct connection winch battery also practical back Model 20 no questions asked unconditional 30-day money back guarantee addition except retrieval line guaranteed free defects 90 days toll free order number 1-800-225-0364 7 am 5 pm Pacific time Any questions can phoned 408/973-3333 Ask Ernie Address VMC Flight 18971 Fembrook Ct Saratoga CA 95070 Magic Lessons Chuck Lohre Chuck newsletter editor Cincinnati Soaring Society sent very interesting report experiences new Magic Actually its too long fit single column Ill print half month half next month Over Chuck day last November received RIC Soaring Digest Model Aviation magazines both information about Magic 138-in unlimited soaring glider Frank Weston knew exactly hi-tech construction performance sailplane looking never built built-up wing used iron-on coverings again would too soon decided order Spectra epoxy-bagged version $500 vs $300 because didnt want invest SAVE YOUR FIELD SNUF-LER muffler low cost easy install lightweight sound reducing muffler no performance penalty answer AMA muffler rule suggestIons saving flying fields Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possible 300-500 RPM increase improves engine idle s better fuel economy Easily attached 25-108 stock muff bra Heat corrosion resistant Black E cost finish No special adapters requIred Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 255 STAMP accepted Add $2S0for UPS $250 COD sod 6% oslestsoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG 102 Model Aviation THE LEADER IN COM PETITION PROPELLERS NEW NEW hIj C PYLON RACING SERIES 500 DIAPITCH 7SN 5N 8I67/z78 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE M MAnAAW SN U FFLERTM MUFFLER Patented great deal time money skills equipment bag own Id see what should expect first construction features really sold all-Kevlar male molded fuselage epoxy-bonded Spectra directly over foam wings servos wings T-tail slip-on nose cone access performance specsa reported 291 L/D lift drag ratiosounded great too type construction wanted learn build future models needed new radio too chose Airtronics Vision bells whistles far popular Nationals hoped radio could go grave Finally big day arrived UPS delivered kit immediately worked free hour get built May contest club scheduled Construction went well Franks instructions great also readily available answer questions I made first hand-launch test glides 630 am Thursday before contest just glided glided elated hadnt felt high since learning soar full-scale spending afternoon up clouds give Frank credit Magics off board flight followed instructions precisely alignment balance etc evening launched Magic again high start time Again awesome soon realized lot learn about programming radio trimming plane flying Klingberg Wing Gentle Lady wasnt afraid size plane because also have 11-footspan Astro Flight ASW 17 prepared fast flight wide turns landing set-up skills Klingberg Wing prepared aileron use test bed Vision contest day Magic flew well certainly achieved above average air times still learn land Just shows cant buy trophies After contest flew fun flight got pretty high wind picked upsomeand working some ridge lift off tree line thermal developed Since getting far downwind started heading back Now earlier Magic shown exceptional penetration Id won some bets regarding getting back landing site calm conditions glider guiders worst fearsink trouble hadnt yet programmed plane/radio penetrate flip switch figured glide ratio good enough just make Magic finally made over notch tree line few feet spare slowed too much spun hitting tree 30 feet up dropping out sight amazed got up saw no visual breaks minimal damage ego hurt FThaJ]y An Engine Mount stern Wont Shake Rattle Roll fly model planes dont have tell theres whole lotta shakin goin now theres something cando about Sullivan Flex Mount System Its engine mounting sys tem has specially designed rubber isolators absorb engine vibration reduce noise limit wear tear modeL thats Flex-Mount comes aluminum adaptor plate makes easy mount 40 60 90 two-cycle engines firewall strap mount beam mounting four-cycle engines So dont jitterbug IJk dealer Sullivan Flex-Mount engine mount ing system thought rock roll would never die P0 Box 5166 Baltimore MD 21224 got big lift came over hill plane piece heard big cheer took few minutes evening repair damage Magic superior plane performs letter Previously lesser performance planes just couldnt tell insofar trimming quirks go just exactly what going will take longer get completely dialed glider especially learning fly rudder opposite aileron thermals would full-scale outside wing always produces drag because traveling faster producing lift plane will slip fuselage will rotate away line turn soon let off rudder Also because extra lift plane will continue increase angle bank thus requiring slight amount opposite aileron programming about 5% flaps coupled elevator thermal turns youll get about four0 flaps correct amount slower flying speed Also youll get minus 30 little down elevator June flew sanctioned contests Dayton put DARTS Club launches higher others zooming good head wind CG right towhook 40% per plans Launch Continued page 106 February 1992 103 Getting Better Ideas Off Ground Serious Horsepower1 06 ST VS Rossi & Webra Parts Service Custom Engines Accessories Qave Shadel Performance Specialties Send $1 00for fully illustrated catalog Available VS Lang & Short Stroke 05 Long Stroke 05 6IFSR 0S4OVRP/VF 05 91 VROF STX-40 Rossi 40 coming soon information Call 702 265-7523 Hours 10 am 5 pm Monday Thursday PO Box 3146 nerville NV 89410 RC Soaring/Blakeslee Continued page 103 settings 150 flaps 100 up elevator too nervous flying smoothly flying full-scale takes half hour settle down fly smoothly Again landings poor Bob McGowans piece Soaring column July issue MA right Keep nose down dont take flaps off quickly plane will stall hardest part planning just right amount flaps use seemed needed avoid making long straight-in approach because depth perception poor orientation kept landing short now come past myself downwind height dependent wind 60 120 feet establish needed rate decent flaps needed make big 1800 turn wind try gently adjust flaps diameter turn needed depending wind speed decent rate set up short final about 150 feet applying little less flaps can get Magic come spot consistently Flying other planes drag can drop nose speed up burn off energy cant Magic Again its like full-scale example landing draggy Schweizer 233 trainer L/D 221 Clark Y airfoil guppy fuselage wing struts can side slip just approach fast Flying glass slipper like Grob LID 321 wont able land doing plane too slippery side slip very little increase drag increased speed have approach lowest speed possible 1 1A times stall speed plus half wind normal spoilers effective Flying Magic different flaps flew full-scale Blanik once used flaps thermaling during landing Its operating procedures use flaps landing Top bottom dive brakes used landing control Blanik Magics flaps act drag generators flying fast slowsort contradiction during landing Magic has made learning thermaling techniques lot fun few occasions Ive saved flight well below launch heightthats really fun part sport once saved 600 feet Schweizer 1-26 L/D 231 1 remember precision concentration needed maintain bank angle precisely speed exactly 20 45 mph stall occurs 28 mph level 40 mph 200 continually re centering lift thermal think triggered corn silo lifted back up 3500 feet day during practice Magic pretty windy due strong convection going gotten couple good flights hadnt made landings Im little shy about keeping plane good heading landing speed little hot After its lot money Nationals two weeks away Ive since learned full 900 flaps cures too hot landing speed problem third launch got very strong thermal going up fast Suddenly plane got thrown out flipped over its side went steep dive panicked pulled full up elevator right wing panel bent up 300 end 24-inch-long spruce spar applying flaps wing maintained its shape made gentle landing Frank shipped new set wings 42in spar next day work cut out getting ready Nationals reflection about incident realized should have used flaps slow dive first rather trying pull out high speed Chucks Magic Lessons will continued next month F YI Quiet flight brand new reference book giving information virtually everything youre likely need hobby compiled being published Don Edberg RCMs Soaring Continued page 127 lU GAIN CONTROL Losing control can nightmare wrong response given command can take its toll model nerves walletl Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 Futaba ______ ne 5524 N Palafox Pensacola FL 32503 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line Orders Only Pleasel 106 Model Aviation z CESSNA BOBC RT 1-50 UC-78 editor two-time F3B Team pilot labor love Don because its obvious has put lot work book will quiet flight bible contains gold information us like buy kinds hobby stuff Don describes book intended make task finding information aspects RC soaring electric flight much easier includes wealth information topics such RC systems sailplane electric kits construction finishing materials launching apparatus instructional materials other categories way F YI Quiet Flight reference available lists larger manufacturers right along small cottage industries know just important todays modelers fact information over 350 manufacturers listed over 10000 lines data contained 312 pages What unique about book items listed categorynot brand name example find out about releasable towhooks merely looks index under towhooks rather searching through manufacturers New CDX FAILSAFE R/C System Single Channel R/C Revisited 1 Looking some inexpensive N/C Fun 2 Interested Nostalgic Oldtimer N/C 3 1/ZA Texaco scale Schoolyard scale 4 Considering electric indoor RIC FILSAFE~0 CO~L 5CSTEM System shown No 8400 Series BEC August 1991 issue Flying Models Bob Aherle says decided try indoor flying. what lot potential fun winter months just rainy day Cal Orr April 1991 issue R/C Modeler wrote transmitter 27Mhz tested AMA Silver Sticker. will interfere 72 Mhz modelers. has excellent range seems operate well large metropolitan area. new Cox FAILSAFE H/C system digital non-proportional single channel radio trimmable flight No escapements worry about no need tie up big rig small low cost model receiver/servo less batteries weighs ONLY 19 ounces Thousands have sold flown Electric Flyboy Thrbo Centurion Are ready new single channel experience fun See new Cox FAILSAFE R/C System favorite hobby retailer unavailable call Cox Toll Free 800/451-0339 listing wont find sort information other commercial directories fact F YI has sources entries pages covering just Sailpianes Electrics either well-known directories covering aircraft includes very useful items found others F Y Quiet Flight full-size softbound book retailing $1995 including shipping handling CA residents add 775% sales tax Order Dynamic Modeling 4922 Rochelle Avenue Irvine CA 92714-2941 Phone 1800-SEND FYI orders 714/5521812 information 724172067 CompuServe Clubs groups buy four Cot No 8400 Series BEC Cat No 8500 Series BEC Available 27 Mhz Channels 1 thin 6 COX HOBBIES INC 350 West Rincon St Couna CA 91720 1991 COX HOBBIES INC copies get free 20% discount New Magazine Silent Flight really excellent new publication Its first English language full-size magazine devoted Soaring Electrics published England Argus Specialist Publications large publisher put out Radio Control Models & Electronics Radio Modeler several other model magazines first issue Silent Flight dated Autumn 1991 will come out four times year beauty Silent Flight has in-depth coverage types RC Soaring Electric gliders Scanning Continued page 131 - 60 Engino Sizo Epoxy Fiberglass Fuselage Kit -Sopor Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt Hirobo GMP & Schluler Kit includes Bodys Clear Canopy Landing Flesable Tail Drive Unit WoodIDV Hardware Manual Blueprint some oLE IIIJ ui models also include Pilolstation Macbin Gun Rocket Radar Dome & Shocks 521 Sinclair Frontage Rd Milpitas CA 95035 AH-1S TOW COBRA 36995 AH-64 APACHE 38995 UH-1B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 Ph 408-942-9525 FAX 408-942-9524 February 1992 127 RC Soaring/Blakeslee Continued page 106 WORLD CLASS R/C HELICOPTERS & ACCESSORIES IMPORT & EXPORT Subscriptions can ordered right RC Soaring/Blakesleein USA Wise Owl Worldwide Continued page 127Publications 4314 West 238th Street Torrance CA 90505 price $2400 year includes free binder $4800 two years includes binder extra free copy cost per copy high account shipping costs Im sure youll like down contents first issue note columns Slope soaring Vintage gliders F3F Slope Racing Power Scale Slope soaring F3J & Thermal soaring Electrics F3B New Products World News articles Thermic Prowler Open class soarer Czechoslovakia Norman Deans magnificent ASK 18 Cliff Charlesworth plans extensive report experimental German 5B13 full-scale flying wing short lot fine reading Soaring enthusiasts Visibility Aircraft Color Schemes Wayne Angevine Boulder Colorado Visibility important criterion choice color scheme sailplane After cant see cant fly Unlike other modelers fly far away high up good color scheme can make difference between successful flight lost airplane sometimes see tables colors ranked least visible other such discussions magazines newsletters tables always rank light colors visible dark colors least Most us know observation thats really way works gliders reading book connection work finally gave reasoning problem book called Probing Atmospheric Boundary Layer published American Meteorological Society chapters Visibility Measurement MK 231 OR PFM 3200 Alooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA MATh1st PLACE WINNER 1985 NA TB EXPERT PORSCHE FI7TED MOONEY RADIO 4-6 CHANNEL ENGINE 901082 CYCLE 120-4 CYCLE SPAN 88 AREA 990 SO IN WEIGHT 12-15 lbs Information send SASE Plene end Instructione $30 S&H February 1992 131 -loergiass Liowlings WinOsrilelO lip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full Instructions Scale Spinner WAYNE SIEWERT 2740 31St Ave MPLS MN 55406 USA612-722-7564 Just Time Christmas ALL NEW FINISHING FRIEND SYSTEM 12 Hnislung Fnend YOU Guaranteed help build FASTER BETIIR have lots MORE PUN 3rd hand vice FF9 securely holds model out away wo*bench Los ANY angle hands FREE Sanding ceting painting EASY because model nottouched outside surtace OUTSTANDING QUAL3TYcomes UFEIlME GUARANTEE onoa ouas TODAYI Join fan satisfied customers say TQWNOP0*0FF YC4J LNBWP UT 5 $H 1311 Ernst 161st St ngfigIj ff4 44 3174964043 MC Send BABE fsw Omchww VISA Techniques discusses definitions limits visibility environment very similar ie ability distinguish object some distance through air daylight article bit mathematical quite bit longer have space will summarize relevant material visibility plane depends apparent contrast between its background background bright sky have airplane particular color will present some contrast its background its close up As path through air between pilot plane gets distant light sun scattered air toward pilot making plane appear brighter thus --- -I /11 I7 tAH 2O Ya didnt AI5 J chance see quarter-scale Radio Control plane land around did ya pal wwi AERO 1900-1919 SKYWAYS 1920-1940 Far restorer builder & serious modeller early aircraft information current projects news museums airshows technical drawings data photographs scale modelling material news current publications historical research workshop notes intormation painlicolor aeroplanes engines parts sale wants disposals 1 year subscription $25Overseas $30Sample issues $4 Published WORLD WAR 1 2epona6 INC 15 Crescent Road Poughkeepsie NY 12601 USA 914 473-3679 PRODUCTS Complete Line Exhaust Systems TunedMuffled Tuned PiDes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsupaased WarkmanshiD 8 PerformanCe 132 Model Aviation presenting less contrast conclusion maximum visibility achieved black aitplane lighter color shorter distance over plane can distinguished sky So discussions visibility come opposite conclusion suspect tables drawn up different environmentthat land vehicle against ground environment youre painting ambulance fire truck course thats what want times black airplane may ideal example youre flying against dark cloud something lighter might good Most pilots ii 1p & SEND ~Cq9 FORRULES~~ AND PRE-ENTRY INFO SUN VALLEY FLYERS- c/c DAN BOTT PO BOX 1167 CAREFREE AZ 85371 Bus 800-7274888 Home 602-438-9210 iT AMA SANCTION #20043 CAVE BUTTES FIELD PHOENIX AZ 1332 AUZOfA JIT CZZCTACULAII FEBRUARY 22 & 23 concerned about visibility make planes least half black red dark blue bottom least white light panel contrast dark clouds considerations found article cited arent ones need taken account Obviously small plane becomes invisible shorter distance large willnot because its color because eye cant resolve small objects So its important break up color scheme small pieces prefer make major panel bottom wing color time visibility critical youre low flying toward yourself trying desperately make back landing circle can see point leading edge wing top bottom leading edge different colors have lost half apparent cross section recommend making top leading edge same color bottom least another dark color Slope soarers have worry about visibility against ground may want ignore above E RC Giants/de Vries Continued page 49 have appearing magazines work very well However carriers weve seen limited transport single model few include provisions hauling fuselage wing fixtures arent included design friends Jennings Products PO Box 1121 Hendersonville TN 37033-1 121 have come up neat answer model transport storage problem Model Aircraft Carrier & Storage Rack modular wooden components accommodates three four complete models wings storage home also hold trip club field looks like good hangar rash preventer Have Happy New Year E responding advertIsers mentIon thBt read Bbout Model Aviation FULL BODY PILOT KIT contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble tinish Some simple sewing required Fully positionable tool Price #206-/ scale995 #205-A scale1095 #2O41/ scale1195 #203-V3 scale1795 DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust * Some simple sewing required See Dealer add Dollar direct order handling February 1992 133 yrcFrNo IOU PLANE VIDEO Presents AEROB ATICS AND GROUND SCHOOL 105 minutes AERODYNAMICS AND STALL THEORY plus HOW TO DO control inputal Proper takeoils Loops rolls SpinsSnap rolls Proper landings crosswind techniques $1995 plus $3005/H lforeign-$600 5/NI BUILDING IT RIGHT THE FIRST TIME 22 hour Videotapes Wing constrsction Radio Installation Fuselage conat ruction Engine set up RadioinstallationPushrods Fuel syslemscovering wilh film Propsand spinnersAlignmentBalancing shearwebbingPLUS MUCH MORE $3495 plus $400 S/H lforeign-$8OO S/HI Plane Video RO Box 23128available VISAClive IA 50325 IOWA residenis add 4% sales las 800383-8251TouFREE - OR 515-223-0597 BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Price #lOS/s scale NEW 695 #106-% scale #l05-/s scale. #lO4-/u scale. f103-/u scale ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7O/ las Send check money order coos OK Send $100 catalog
Edition: Model Aviation - 1992/02
Page Numbers: 46, 47, 101, 102, 103, 106, 127, 131, 132, 133
LOTS OF VARIED interesting news pass month Lets start Robin Lehmans report scale flying Switzerland Soaring enthusiasts love seeing big scale gliders Europe seem build bigger fly actively Robin Big Apple dweller will have extensive article upcoming Model Aviation preview group enthusiasts meet twice year Switzerland call themselves Interessengemeinschaft Grossegler interested large gliders just happened Switzerland IGG get-togethers airport Belp just south Bern spent two solid days airtowing gliders None less 375 meters wing span ranged size upwards one-third scale beyond sailplanes scale immaculate some seventy-odd gliders flew plus ten tow planes mostly scale quarter-sized Piper Cub one-third Sukoi several quarter-sized larger Caps two Wilgas non-scale tug Quadra 100 three lines gliders ready towed times two days literally hundreds flights Quite eventI plan go back Robin may remember Robin article air towing June 1989 Model Aviation Robin does flying Long Island probably has biggest fleet big scale ships country Denver also small active group air towers includes Herb Smith Ray Marvin Stew Bergner Vince Lopez son Eric Denver group unique tow tail tow planes identical fullscale maybe because Herb Ray Stew also full-scale pilots 46 Model Aviation E3 Soaring Byron Blakeslee 3134 N WInnebago Dr Sedalla CO 80135 Grosseglers GIant scaic meeting Switzerland big scale gliders waiting airtowed quite meet Giant Mlnimoa Able Buhlmann right Wing span 68 meters 22 feet weight 24 kIlos 53 pounds ship took 1000 hours build photo above Robin Lehman New Model 20 winch high-start retriever left VMC Flight Photo shows guide arm launch position Line comes off end spool through hole top arm low Model 20 wIth guide arm re trIeve position Arm oscillates level-wind line spool Left foot pedal swings arm right pedal actuates retrieve motor Chuck Lonre snows tancy naw wing graphics bottom Magics wings Wow Chuck tells about plane columntruly fascinating reading 1/16-INCH36 483/16-INCH36 48 1/16//116063/161/3/16 1418 1116 o 3/32073/16 1/41520 1/161/1/809 123/16/13/61722 1/161/3/1610143/1601221 27 1/161/1411163/16/13/43041 1/161/38 14 18l/4-INCH3846 1/161/1/21721 1/161/3/422301/41/ 1/41722 1/41/3/81927 3/32-INCH36461/41/1/22231 3/321/33209121/41/3/43445 3/321/ 1/810145/16-INCH3646 3/321/3/161116 3/321/1/414175/161/5/1623 29 3/321/3/615205/161/3/82532 5/161/1/23039 3/321/1/21722 3/321/ 3/425 335/16 /1 3/442 56 3/6-INCH36 46 1/8-INCH 36 46 ___________________ 3/8 1/3/62940 1/81/1/809123/61/1/23344 1/81/31612163/81/3/44764 1/81/1/41418 1/61/3/817221/2-INCH3648 1/81/1/218261/21/1/24052 1/81/3/426351/21/3/45675 Double Balsa Wood Prices Spraceend COMPOSITE MATERIALKIflING SERVICE Sheets ks Rods TubesPeanut 1/3 Scale Carbon FiberKevlar S-GlossRohacell Foam Cutting Die Cutting Machine Sanded Parts LII LTWUUU 1/6012012 82 1/81/121/24164 1/81/121/48328 TAPERED TRAILING 600636 48 1/80 1/22432 3/16e3/43142 1/4014258 5/16o 1-1/44765 3/81/1-1/25677 1/21/283 3/41/3159 TRIANGULAR CUT BALSA 1/40 1/4/13627 3/8 o 3/8 0 3631 1/201/203640 3/4 1/ 34 r 3650 1o1e3660 BALSA PLANKS 1e3o36246 104036324 2021/36246 21/31/36352 2041/36486 3o3e36924 1/ 0 00728 Normal RC practice connect tow line close center gravity CG tug usually wing trailing edge high winger glider cannot throw tug out control flying too high too low However Denver guys have no problems towing tail Herb has beautifully detailed third-scale Super Cub pull thirdscale ASW 20 says secret fly tug smoothly coordinated turns tell glider pilot tug going can maintain position right behind VMC Flights Model 20 Retrieval System Ernie Barter VMC Flight sent video description partner Dick Bensons new retriever watching Model 20 retrieve both high-starts winch lines video impression well thought out engineered machine unit looks like little winch arm off side arm actually guide leads line off end spool during launch glider releases operator steps foot lever back unit swings arm around front spool step another lever turns spool motor same time arm oscillates back forth level-wind line An odd looking feature system little propeller attached retrieval line about 3 feet ahead tow ring Its purpose spin twist out line works whos argue recently end October talked Ernie about trying Model 20 obvious Ernie very excited about retriever said hed love lend first production batch 100 units sitting shop awaiting delivery motors motors should arrive December couple issues should have first-hand story tell meantime heres what Ernie says about Model 20 VMC Flight have developed retriever efficient fast reliable handles both high-start winch launch systems concept new respect line handling joy use retriever standup foot-operated hands off self-contained system Gone February 1992 47 1-INCH36 463-INCH36 461/640121/12195 1/81/6012107 1/160129391/321/343571/641/121/24389 1/81/121/12213 1/8o12o24425 3/321/132431/161/346821/640121/488011/81/12048850 1/81/135473/321/356751/64 0 48 e 483204 3/160 139521/81/364861/321/61/12783/160601279 3/16o3771023/161/121/12156 1/41/144611/403981201/321/121/121563/161/12024314 3/81/157775/161/31101431/321/121/24312 3/161/121/48626 1/20 I70943/8031281711/321/121/48625 1/4061/1279 2-INCH36481/21/3161 2141/161/601278 1/41/121/12156 1/321/232434-INCH36481/16 1/120121861/40121/24314 1/161/239511/320470931/161/12024312 1/41/12048626 3/321/244581/161/478 1081/161/12048625 3/81/12012193 1/81/24964 3/320488 1173/81/121/24385 3/161/258771/81/41021303/321/61/12973/8012048770 3/181/41221623/321/121/12194 1/41/26790141/41402073/80 120 12218 3/81/2821103/81/41952903/321/120243873/80 121/24433 1/21/21211811/21/42343483/321/120487743/81/121/48865 NEW PRODUCTS tND SERVICES Continued page 101 F V1Quiet Flight Sourcebook Sailpianes Electric flight excellent new where-to-buy reference book Don Edberg Anyone Interested silent flight should see struts popping out dont want poking through top wing Landing gear shock struts made telescoping brass tubing described kits directions landing gear fairings attached fuselage again per kit attachment gear legs made %2 nylon landing gear clamps end trimmed off method looks much less obvious rubber bands suggested kit Cubs simple foot step fashioned /16 music wire glued two holes drilled fuselage after covering back-up block glued inside fuselage additional gluing area support step Cub uses Enya 60 four-stroke power am firm believer high quality fuels ability ward off perceived problems four-stroke engines can wonderful aid audio side scale modelings realism just dont abuse use castor oil 12h% nitro dont tweak get last two rpm need additional power badly should have used two-stroke installed larger four-stroke built model didnt lend itself well four-strokes throaty sound would like hear few suggestions low EDF Emotional Debt Factor fun-type scale models youd like see covered series Goldbergs J-3 Anniversary Cub has very well received will continue present models believe will interest RC Scale columns readers Thats friends let know what youd like see next joint building project will Dynaflites Fun-Scale TM P-S 1 Mustang Next Cub pony probably popular aircraft time Mark Smiths Dynaflite design great airplane making everyday builder look like pronot bench air Did know term Fun Scale actually registered trademark Dynaflites Well thats reasons choosing Mustang over other P-S available feel entire fun-scale modeling fraternity owes Dynaflite small debt gratitude recognizing needs everyday modeler like scale airplanes yet still dont feel compelled build high commitment models Mark Smith has designed series expressly modelers Dynaflite has seven different kits available Fun-Scale TM series 40-size pony unquestionably cover telephone call Bob Bankas Scale Model Research see Model Aviation s advertising directory ad address telephone number got great 8 /2 x 11 three-view beautiful set photos PAUL PAUL color scheme lends itself very well film Tell Control Horn Go Wont Get Bent Out Shape airplane enthusiast know has same problems control horns flex bend break-what else new Introducing Sullivan 555 toughest control horn ever made Craftecfwith tempered steel instead plastic nickelplated wear resistance Sullivan Control Horn 555 built exacting specifications eliminate flex flutter Better still comes complete glass-filled nylon bushing prevent metal-to-metal contact radio interference sized fit either devises Sullivans New Ball Joint System easy off-axis movement lilt Sullivan 555 Finally control horn p PRODUCTS thats made right stuff PD Box 5166 Baiflmore MD 21224 Getting Better Ideas Off Ground covering jobs will make perfect subject useful instructionals several other areas Scale Model Researchs photo packs available fifty-seven different Mustangs Bob has excellent three-views compliment five Now thats onestop documentation shopping scale modeling friends round up Mustang kits order photos three-views check supplies glue fresh razor blades get ready visit World War TwoFun-Scale style says have pro fly Mustang Dynaflite has tamed pony have ride Til next time build straight fly safely RC Soaring/Blakeslee Continued page 47 tangled twisted lines past Launch retrieval takes about minute ring ready next launch Flying narrow fields obstructions cross-wind conditions now possible because speed Model 20 pulls line back ground about 25 mph launch retrieval line isnt allowed time drift away As reliability system has ultimate test Mark Triebes has repeatedly launched Mueller Comet 89T Pedal metal awesome wing-cracking zooms Model 20 February 1992 101 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIA PITCH THP 1266778 14677/u8 1567 16678 PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 6456BIul 9456677 1045667 106W8W 106EW 11467T/778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 pjorld S beSt 5e~flg spark grttlOfl sstem1 Chosen Byrmi Odicels ThG Mfg mul AM DJrcraft Saqqdy its outstanding rehal*ty Complete single cyl nder System nclud ng~fl throttlecoupled spark advance kt spark battery pack charger 900 sh elded____ spark plug leadMuch lunger engine kte Easy hand starts-no kickback 1ANNI-12800 RPM relable nile 0% power en fern strokers om histahtion aveldile Lower priced fuse no nitro needed Shielded qik plum bed 90 plug cover Fornyenpiesfl&qi2&4stroke sbtgleidtwhicyhders oIgaoductsavaiable Soark eels seerk ehus shielded ohm bed b tiab hits inviable isnt bothered Thats say retriever line isnt singing leaves spool convinced other tying retriever line cannon ball severe test cant found Model 20 has proven itself over 150 continuous rapid-fire retrievalsall hitch line untwisting device patent applied custom ball bearing main motor wiper action guide low power consumption motors light weight portability ease operation make Model 20 real asset glider flying weekend pilot sets out fly can now spend time flying bad air days merely allow landing practice test ability walk miles pulling parachute Model 20 priced $31900 comes complete instructional video retrieval line untwisting device battery hook-up leads Power requirement 12-volt auto deep-cycle type battery Direct connection winch battery also practical back Model 20 no questions asked unconditional 30-day money back guarantee addition except retrieval line guaranteed free defects 90 days toll free order number 1-800-225-0364 7 am 5 pm Pacific time Any questions can phoned 408/973-3333 Ask Ernie Address VMC Flight 18971 Fembrook Ct Saratoga CA 95070 Magic Lessons Chuck Lohre Chuck newsletter editor Cincinnati Soaring Society sent very interesting report experiences new Magic Actually its too long fit single column Ill print half month half next month Over Chuck day last November received RIC Soaring Digest Model Aviation magazines both information about Magic 138-in unlimited soaring glider Frank Weston knew exactly hi-tech construction performance sailplane looking never built built-up wing used iron-on coverings again would too soon decided order Spectra epoxy-bagged version $500 vs $300 because didnt want invest SAVE YOUR FIELD SNUF-LER muffler low cost easy install lightweight sound reducing muffler no performance penalty answer AMA muffler rule suggestIons saving flying fields Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possible 300-500 RPM increase improves engine idle s better fuel economy Easily attached 25-108 stock muff bra Heat corrosion resistant Black E cost finish No special adapters requIred Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 255 STAMP accepted Add $2S0for UPS $250 COD sod 6% oslestsoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG 102 Model Aviation THE LEADER IN COM PETITION PROPELLERS NEW NEW hIj C PYLON RACING SERIES 500 DIAPITCH 7SN 5N 8I67/z78 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE M MAnAAW SN U FFLERTM MUFFLER Patented great deal time money skills equipment bag own Id see what should expect first construction features really sold all-Kevlar male molded fuselage epoxy-bonded Spectra directly over foam wings servos wings T-tail slip-on nose cone access performance specsa reported 291 L/D lift drag ratiosounded great too type construction wanted learn build future models needed new radio too chose Airtronics Vision bells whistles far popular Nationals hoped radio could go grave Finally big day arrived UPS delivered kit immediately worked free hour get built May contest club scheduled Construction went well Franks instructions great also readily available answer questions I made first hand-launch test glides 630 am Thursday before contest just glided glided elated hadnt felt high since learning soar full-scale spending afternoon up clouds give Frank credit Magics off board flight followed instructions precisely alignment balance etc evening launched Magic again high start time Again awesome soon realized lot learn about programming radio trimming plane flying Klingberg Wing Gentle Lady wasnt afraid size plane because also have 11-footspan Astro Flight ASW 17 prepared fast flight wide turns landing set-up skills Klingberg Wing prepared aileron use test bed Vision contest day Magic flew well certainly achieved above average air times still learn land Just shows cant buy trophies After contest flew fun flight got pretty high wind picked upsomeand working some ridge lift off tree line thermal developed Since getting far downwind started heading back Now earlier Magic shown exceptional penetration Id won some bets regarding getting back landing site calm conditions glider guiders worst fearsink trouble hadnt yet programmed plane/radio penetrate flip switch figured glide ratio good enough just make Magic finally made over notch tree line few feet spare slowed too much spun hitting tree 30 feet up dropping out sight amazed got up saw no visual breaks minimal damage ego hurt FThaJ]y An Engine Mount stern Wont Shake Rattle Roll fly model planes dont have tell theres whole lotta shakin goin now theres something cando about Sullivan Flex Mount System Its engine mounting sys tem has specially designed rubber isolators absorb engine vibration reduce noise limit wear tear modeL thats Flex-Mount comes aluminum adaptor plate makes easy mount 40 60 90 two-cycle engines firewall strap mount beam mounting four-cycle engines So dont jitterbug IJk dealer Sullivan Flex-Mount engine mount ing system thought rock roll would never die P0 Box 5166 Baltimore MD 21224 got big lift came over hill plane piece heard big cheer took few minutes evening repair damage Magic superior plane performs letter Previously lesser performance planes just couldnt tell insofar trimming quirks go just exactly what going will take longer get completely dialed glider especially learning fly rudder opposite aileron thermals would full-scale outside wing always produces drag because traveling faster producing lift plane will slip fuselage will rotate away line turn soon let off rudder Also because extra lift plane will continue increase angle bank thus requiring slight amount opposite aileron programming about 5% flaps coupled elevator thermal turns youll get about four0 flaps correct amount slower flying speed Also youll get minus 30 little down elevator June flew sanctioned contests Dayton put DARTS Club launches higher others zooming good head wind CG right towhook 40% per plans Launch Continued page 106 February 1992 103 Getting Better Ideas Off Ground Serious Horsepower1 06 ST VS Rossi & Webra Parts Service Custom Engines Accessories Qave Shadel Performance Specialties Send $1 00for fully illustrated catalog Available VS Lang & Short Stroke 05 Long Stroke 05 6IFSR 0S4OVRP/VF 05 91 VROF STX-40 Rossi 40 coming soon information Call 702 265-7523 Hours 10 am 5 pm Monday Thursday PO Box 3146 nerville NV 89410 RC Soaring/Blakeslee Continued page 103 settings 150 flaps 100 up elevator too nervous flying smoothly flying full-scale takes half hour settle down fly smoothly Again landings poor Bob McGowans piece Soaring column July issue MA right Keep nose down dont take flaps off quickly plane will stall hardest part planning just right amount flaps use seemed needed avoid making long straight-in approach because depth perception poor orientation kept landing short now come past myself downwind height dependent wind 60 120 feet establish needed rate decent flaps needed make big 1800 turn wind try gently adjust flaps diameter turn needed depending wind speed decent rate set up short final about 150 feet applying little less flaps can get Magic come spot consistently Flying other planes drag can drop nose speed up burn off energy cant Magic Again its like full-scale example landing draggy Schweizer 233 trainer L/D 221 Clark Y airfoil guppy fuselage wing struts can side slip just approach fast Flying glass slipper like Grob LID 321 wont able land doing plane too slippery side slip very little increase drag increased speed have approach lowest speed possible 1 1A times stall speed plus half wind normal spoilers effective Flying Magic different flaps flew full-scale Blanik once used flaps thermaling during landing Its operating procedures use flaps landing Top bottom dive brakes used landing control Blanik Magics flaps act drag generators flying fast slowsort contradiction during landing Magic has made learning thermaling techniques lot fun few occasions Ive saved flight well below launch heightthats really fun part sport once saved 600 feet Schweizer 1-26 L/D 231 1 remember precision concentration needed maintain bank angle precisely speed exactly 20 45 mph stall occurs 28 mph level 40 mph 200 continually re centering lift thermal think triggered corn silo lifted back up 3500 feet day during practice Magic pretty windy due strong convection going gotten couple good flights hadnt made landings Im little shy about keeping plane good heading landing speed little hot After its lot money Nationals two weeks away Ive since learned full 900 flaps cures too hot landing speed problem third launch got very strong thermal going up fast Suddenly plane got thrown out flipped over its side went steep dive panicked pulled full up elevator right wing panel bent up 300 end 24-inch-long spruce spar applying flaps wing maintained its shape made gentle landing Frank shipped new set wings 42in spar next day work cut out getting ready Nationals reflection about incident realized should have used flaps slow dive first rather trying pull out high speed Chucks Magic Lessons will continued next month F YI Quiet flight brand new reference book giving information virtually everything youre likely need hobby compiled being published Don Edberg RCMs Soaring Continued page 127 lU GAIN CONTROL Losing control can nightmare wrong response given command can take its toll model nerves walletl Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 Futaba ______ ne 5524 N Palafox Pensacola FL 32503 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line Orders Only Pleasel 106 Model Aviation z CESSNA BOBC RT 1-50 UC-78 editor two-time F3B Team pilot labor love Don because its obvious has put lot work book will quiet flight bible contains gold information us like buy kinds hobby stuff Don describes book intended make task finding information aspects RC soaring electric flight much easier includes wealth information topics such RC systems sailplane electric kits construction finishing materials launching apparatus instructional materials other categories way F YI Quiet Flight reference available lists larger manufacturers right along small cottage industries know just important todays modelers fact information over 350 manufacturers listed over 10000 lines data contained 312 pages What unique about book items listed categorynot brand name example find out about releasable towhooks merely looks index under towhooks rather searching through manufacturers New CDX FAILSAFE R/C System Single Channel R/C Revisited 1 Looking some inexpensive N/C Fun 2 Interested Nostalgic Oldtimer N/C 3 1/ZA Texaco scale Schoolyard scale 4 Considering electric indoor RIC FILSAFE~0 CO~L 5CSTEM System shown No 8400 Series BEC August 1991 issue Flying Models Bob Aherle says decided try indoor flying. what lot potential fun winter months just rainy day Cal Orr April 1991 issue R/C Modeler wrote transmitter 27Mhz tested AMA Silver Sticker. will interfere 72 Mhz modelers. has excellent range seems operate well large metropolitan area. new Cox FAILSAFE H/C system digital non-proportional single channel radio trimmable flight No escapements worry about no need tie up big rig small low cost model receiver/servo less batteries weighs ONLY 19 ounces Thousands have sold flown Electric Flyboy Thrbo Centurion Are ready new single channel experience fun See new Cox FAILSAFE R/C System favorite hobby retailer unavailable call Cox Toll Free 800/451-0339 listing wont find sort information other commercial directories fact F YI has sources entries pages covering just Sailpianes Electrics either well-known directories covering aircraft includes very useful items found others F Y Quiet Flight full-size softbound book retailing $1995 including shipping handling CA residents add 775% sales tax Order Dynamic Modeling 4922 Rochelle Avenue Irvine CA 92714-2941 Phone 1800-SEND FYI orders 714/5521812 information 724172067 CompuServe Clubs groups buy four Cot No 8400 Series BEC Cat No 8500 Series BEC Available 27 Mhz Channels 1 thin 6 COX HOBBIES INC 350 West Rincon St Couna CA 91720 1991 COX HOBBIES INC copies get free 20% discount New Magazine Silent Flight really excellent new publication Its first English language full-size magazine devoted Soaring Electrics published England Argus Specialist Publications large publisher put out Radio Control Models & Electronics Radio Modeler several other model magazines first issue Silent Flight dated Autumn 1991 will come out four times year beauty Silent Flight has in-depth coverage types RC Soaring Electric gliders Scanning Continued page 131 - 60 Engino Sizo Epoxy Fiberglass Fuselage Kit -Sopor Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt Hirobo GMP & Schluler Kit includes Bodys Clear Canopy Landing Flesable Tail Drive Unit WoodIDV Hardware Manual Blueprint some oLE IIIJ ui models also include Pilolstation Macbin Gun Rocket Radar Dome & Shocks 521 Sinclair Frontage Rd Milpitas CA 95035 AH-1S TOW COBRA 36995 AH-64 APACHE 38995 UH-1B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 Ph 408-942-9525 FAX 408-942-9524 February 1992 127 RC Soaring/Blakeslee Continued page 106 WORLD CLASS R/C HELICOPTERS & ACCESSORIES IMPORT & EXPORT Subscriptions can ordered right RC Soaring/Blakesleein USA Wise Owl Worldwide Continued page 127Publications 4314 West 238th Street Torrance CA 90505 price $2400 year includes free binder $4800 two years includes binder extra free copy cost per copy high account shipping costs Im sure youll like down contents first issue note columns Slope soaring Vintage gliders F3F Slope Racing Power Scale Slope soaring F3J & Thermal soaring Electrics F3B New Products World News articles Thermic Prowler Open class soarer Czechoslovakia Norman Deans magnificent ASK 18 Cliff Charlesworth plans extensive report experimental German 5B13 full-scale flying wing short lot fine reading Soaring enthusiasts Visibility Aircraft Color Schemes Wayne Angevine Boulder Colorado Visibility important criterion choice color scheme sailplane After cant see cant fly Unlike other modelers fly far away high up good color scheme can make difference between successful flight lost airplane sometimes see tables colors ranked least visible other such discussions magazines newsletters tables always rank light colors visible dark colors least Most us know observation thats really way works gliders reading book connection work finally gave reasoning problem book called Probing Atmospheric Boundary Layer published American Meteorological Society chapters Visibility Measurement MK 231 OR PFM 3200 Alooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA MATh1st PLACE WINNER 1985 NA TB EXPERT PORSCHE FI7TED MOONEY RADIO 4-6 CHANNEL ENGINE 901082 CYCLE 120-4 CYCLE SPAN 88 AREA 990 SO IN WEIGHT 12-15 lbs Information send SASE Plene end Instructione $30 S&H February 1992 131 -loergiass Liowlings WinOsrilelO lip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full Instructions Scale Spinner WAYNE SIEWERT 2740 31St Ave MPLS MN 55406 USA612-722-7564 Just Time Christmas ALL NEW FINISHING FRIEND SYSTEM 12 Hnislung Fnend YOU Guaranteed help build FASTER BETIIR have lots MORE PUN 3rd hand vice FF9 securely holds model out away wo*bench Los ANY angle hands FREE Sanding ceting painting EASY because model nottouched outside surtace OUTSTANDING QUAL3TYcomes UFEIlME GUARANTEE onoa ouas TODAYI Join fan satisfied customers say TQWNOP0*0FF YC4J LNBWP UT 5 $H 1311 Ernst 161st St ngfigIj ff4 44 3174964043 MC Send BABE fsw Omchww VISA Techniques discusses definitions limits visibility environment very similar ie ability distinguish object some distance through air daylight article bit mathematical quite bit longer have space will summarize relevant material visibility plane depends apparent contrast between its background background bright sky have airplane particular color will present some contrast its background its close up As path through air between pilot plane gets distant light sun scattered air toward pilot making plane appear brighter thus --- -I /11 I7 tAH 2O Ya didnt AI5 J chance see quarter-scale Radio Control plane land around did ya pal wwi AERO 1900-1919 SKYWAYS 1920-1940 Far restorer builder & serious modeller early aircraft information current projects news museums airshows technical drawings data photographs scale modelling material news current publications historical research workshop notes intormation painlicolor aeroplanes engines parts sale wants disposals 1 year subscription $25Overseas $30Sample issues $4 Published WORLD WAR 1 2epona6 INC 15 Crescent Road Poughkeepsie NY 12601 USA 914 473-3679 PRODUCTS Complete Line Exhaust Systems TunedMuffled Tuned PiDes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsupaased WarkmanshiD 8 PerformanCe 132 Model Aviation presenting less contrast conclusion maximum visibility achieved black aitplane lighter color shorter distance over plane can distinguished sky So discussions visibility come opposite conclusion suspect tables drawn up different environmentthat land vehicle against ground environment youre painting ambulance fire truck course thats what want times black airplane may ideal example youre flying against dark cloud something lighter might good Most pilots ii 1p & SEND ~Cq9 FORRULES~~ AND PRE-ENTRY INFO SUN VALLEY FLYERS- c/c DAN BOTT PO BOX 1167 CAREFREE AZ 85371 Bus 800-7274888 Home 602-438-9210 iT AMA SANCTION #20043 CAVE BUTTES FIELD PHOENIX AZ 1332 AUZOfA JIT CZZCTACULAII FEBRUARY 22 & 23 concerned about visibility make planes least half black red dark blue bottom least white light panel contrast dark clouds considerations found article cited arent ones need taken account Obviously small plane becomes invisible shorter distance large willnot because its color because eye cant resolve small objects So its important break up color scheme small pieces prefer make major panel bottom wing color time visibility critical youre low flying toward yourself trying desperately make back landing circle can see point leading edge wing top bottom leading edge different colors have lost half apparent cross section recommend making top leading edge same color bottom least another dark color Slope soarers have worry about visibility against ground may want ignore above E RC Giants/de Vries Continued page 49 have appearing magazines work very well However carriers weve seen limited transport single model few include provisions hauling fuselage wing fixtures arent included design friends Jennings Products PO Box 1121 Hendersonville TN 37033-1 121 have come up neat answer model transport storage problem Model Aircraft Carrier & Storage Rack modular wooden components accommodates three four complete models wings storage home also hold trip club field looks like good hangar rash preventer Have Happy New Year E responding advertIsers mentIon thBt read Bbout Model Aviation FULL BODY PILOT KIT contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble tinish Some simple sewing required Fully positionable tool Price #206-/ scale995 #205-A scale1095 #2O41/ scale1195 #203-V3 scale1795 DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust * Some simple sewing required See Dealer add Dollar direct order handling February 1992 133 yrcFrNo IOU PLANE VIDEO Presents AEROB ATICS AND GROUND SCHOOL 105 minutes AERODYNAMICS AND STALL THEORY plus HOW TO DO control inputal Proper takeoils Loops rolls SpinsSnap rolls Proper landings crosswind techniques $1995 plus $3005/H lforeign-$600 5/NI BUILDING IT RIGHT THE FIRST TIME 22 hour Videotapes Wing constrsction Radio Installation Fuselage conat ruction Engine set up RadioinstallationPushrods Fuel syslemscovering wilh film Propsand spinnersAlignmentBalancing shearwebbingPLUS MUCH MORE $3495 plus $400 S/H lforeign-$8OO S/HI Plane Video RO Box 23128available VISAClive IA 50325 IOWA residenis add 4% sales las 800383-8251TouFREE - OR 515-223-0597 BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Price #lOS/s scale NEW 695 #106-% scale #l05-/s scale. #lO4-/u scale. f103-/u scale ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7O/ las Send check money order coos OK Send $100 catalog
Edition: Model Aviation - 1992/02
Page Numbers: 46, 47, 101, 102, 103, 106, 127, 131, 132, 133
LOTS OF VARIED interesting news pass month Lets start Robin Lehmans report scale flying Switzerland Soaring enthusiasts love seeing big scale gliders Europe seem build bigger fly actively Robin Big Apple dweller will have extensive article upcoming Model Aviation preview group enthusiasts meet twice year Switzerland call themselves Interessengemeinschaft Grossegler interested large gliders just happened Switzerland IGG get-togethers airport Belp just south Bern spent two solid days airtowing gliders None less 375 meters wing span ranged size upwards one-third scale beyond sailplanes scale immaculate some seventy-odd gliders flew plus ten tow planes mostly scale quarter-sized Piper Cub one-third Sukoi several quarter-sized larger Caps two Wilgas non-scale tug Quadra 100 three lines gliders ready towed times two days literally hundreds flights Quite eventI plan go back Robin may remember Robin article air towing June 1989 Model Aviation Robin does flying Long Island probably has biggest fleet big scale ships country Denver also small active group air towers includes Herb Smith Ray Marvin Stew Bergner Vince Lopez son Eric Denver group unique tow tail tow planes identical fullscale maybe because Herb Ray Stew also full-scale pilots 46 Model Aviation E3 Soaring Byron Blakeslee 3134 N WInnebago Dr Sedalla CO 80135 Grosseglers GIant scaic meeting Switzerland big scale gliders waiting airtowed quite meet Giant Mlnimoa Able Buhlmann right Wing span 68 meters 22 feet weight 24 kIlos 53 pounds ship took 1000 hours build photo above Robin Lehman New Model 20 winch high-start retriever left VMC Flight Photo shows guide arm launch position Line comes off end spool through hole top arm low Model 20 wIth guide arm re trIeve position Arm oscillates level-wind line spool Left foot pedal swings arm right pedal actuates retrieve motor Chuck Lonre snows tancy naw wing graphics bottom Magics wings Wow Chuck tells about plane columntruly fascinating reading 1/16-INCH36 483/16-INCH36 48 1/16//116063/161/3/16 1418 1116 o 3/32073/16 1/41520 1/161/1/809 123/16/13/61722 1/161/3/1610143/1601221 27 1/161/1411163/16/13/43041 1/161/38 14 18l/4-INCH3846 1/161/1/21721 1/161/3/422301/41/ 1/41722 1/41/3/81927 3/32-INCH36461/41/1/22231 3/321/33209121/41/3/43445 3/321/ 1/810145/16-INCH3646 3/321/3/161116 3/321/1/414175/161/5/1623 29 3/321/3/615205/161/3/82532 5/161/1/23039 3/321/1/21722 3/321/ 3/425 335/16 /1 3/442 56 3/6-INCH36 46 1/8-INCH 36 46 ___________________ 3/8 1/3/62940 1/81/1/809123/61/1/23344 1/81/31612163/81/3/44764 1/81/1/41418 1/61/3/817221/2-INCH3648 1/81/1/218261/21/1/24052 1/81/3/426351/21/3/45675 Double Balsa Wood Prices Spraceend COMPOSITE MATERIALKIflING SERVICE Sheets ks Rods TubesPeanut 1/3 Scale Carbon FiberKevlar S-GlossRohacell Foam Cutting Die Cutting Machine Sanded Parts LII LTWUUU 1/6012012 82 1/81/121/24164 1/81/121/48328 TAPERED TRAILING 600636 48 1/80 1/22432 3/16e3/43142 1/4014258 5/16o 1-1/44765 3/81/1-1/25677 1/21/283 3/41/3159 TRIANGULAR CUT BALSA 1/40 1/4/13627 3/8 o 3/8 0 3631 1/201/203640 3/4 1/ 34 r 3650 1o1e3660 BALSA PLANKS 1e3o36246 104036324 2021/36246 21/31/36352 2041/36486 3o3e36924 1/ 0 00728 Normal RC practice connect tow line close center gravity CG tug usually wing trailing edge high winger glider cannot throw tug out control flying too high too low However Denver guys have no problems towing tail Herb has beautifully detailed third-scale Super Cub pull thirdscale ASW 20 says secret fly tug smoothly coordinated turns tell glider pilot tug going can maintain position right behind VMC Flights Model 20 Retrieval System Ernie Barter VMC Flight sent video description partner Dick Bensons new retriever watching Model 20 retrieve both high-starts winch lines video impression well thought out engineered machine unit looks like little winch arm off side arm actually guide leads line off end spool during launch glider releases operator steps foot lever back unit swings arm around front spool step another lever turns spool motor same time arm oscillates back forth level-wind line An odd looking feature system little propeller attached retrieval line about 3 feet ahead tow ring Its purpose spin twist out line works whos argue recently end October talked Ernie about trying Model 20 obvious Ernie very excited about retriever said hed love lend first production batch 100 units sitting shop awaiting delivery motors motors should arrive December couple issues should have first-hand story tell meantime heres what Ernie says about Model 20 VMC Flight have developed retriever efficient fast reliable handles both high-start winch launch systems concept new respect line handling joy use retriever standup foot-operated hands off self-contained system Gone February 1992 47 1-INCH36 463-INCH36 461/640121/12195 1/81/6012107 1/160129391/321/343571/641/121/24389 1/81/121/12213 1/8o12o24425 3/321/132431/161/346821/640121/488011/81/12048850 1/81/135473/321/356751/64 0 48 e 483204 3/160 139521/81/364861/321/61/12783/160601279 3/16o3771023/161/121/12156 1/41/144611/403981201/321/121/121563/161/12024314 3/81/157775/161/31101431/321/121/24312 3/161/121/48626 1/20 I70943/8031281711/321/121/48625 1/4061/1279 2-INCH36481/21/3161 2141/161/601278 1/41/121/12156 1/321/232434-INCH36481/16 1/120121861/40121/24314 1/161/239511/320470931/161/12024312 1/41/12048626 3/321/244581/161/478 1081/161/12048625 3/81/12012193 1/81/24964 3/320488 1173/81/121/24385 3/161/258771/81/41021303/321/61/12973/8012048770 3/181/41221623/321/121/12194 1/41/26790141/41402073/80 120 12218 3/81/2821103/81/41952903/321/120243873/80 121/24433 1/21/21211811/21/42343483/321/120487743/81/121/48865 NEW PRODUCTS tND SERVICES Continued page 101 F V1Quiet Flight Sourcebook Sailpianes Electric flight excellent new where-to-buy reference book Don Edberg Anyone Interested silent flight should see struts popping out dont want poking through top wing Landing gear shock struts made telescoping brass tubing described kits directions landing gear fairings attached fuselage again per kit attachment gear legs made %2 nylon landing gear clamps end trimmed off method looks much less obvious rubber bands suggested kit Cubs simple foot step fashioned /16 music wire glued two holes drilled fuselage after covering back-up block glued inside fuselage additional gluing area support step Cub uses Enya 60 four-stroke power am firm believer high quality fuels ability ward off perceived problems four-stroke engines can wonderful aid audio side scale modelings realism just dont abuse use castor oil 12h% nitro dont tweak get last two rpm need additional power badly should have used two-stroke installed larger four-stroke built model didnt lend itself well four-strokes throaty sound would like hear few suggestions low EDF Emotional Debt Factor fun-type scale models youd like see covered series Goldbergs J-3 Anniversary Cub has very well received will continue present models believe will interest RC Scale columns readers Thats friends let know what youd like see next joint building project will Dynaflites Fun-Scale TM P-S 1 Mustang Next Cub pony probably popular aircraft time Mark Smiths Dynaflite design great airplane making everyday builder look like pronot bench air Did know term Fun Scale actually registered trademark Dynaflites Well thats reasons choosing Mustang over other P-S available feel entire fun-scale modeling fraternity owes Dynaflite small debt gratitude recognizing needs everyday modeler like scale airplanes yet still dont feel compelled build high commitment models Mark Smith has designed series expressly modelers Dynaflite has seven different kits available Fun-Scale TM series 40-size pony unquestionably cover telephone call Bob Bankas Scale Model Research see Model Aviation s advertising directory ad address telephone number got great 8 /2 x 11 three-view beautiful set photos PAUL PAUL color scheme lends itself very well film Tell Control Horn Go Wont Get Bent Out Shape airplane enthusiast know has same problems control horns flex bend break-what else new Introducing Sullivan 555 toughest control horn ever made Craftecfwith tempered steel instead plastic nickelplated wear resistance Sullivan Control Horn 555 built exacting specifications eliminate flex flutter Better still comes complete glass-filled nylon bushing prevent metal-to-metal contact radio interference sized fit either devises Sullivans New Ball Joint System easy off-axis movement lilt Sullivan 555 Finally control horn p PRODUCTS thats made right stuff PD Box 5166 Baiflmore MD 21224 Getting Better Ideas Off Ground covering jobs will make perfect subject useful instructionals several other areas Scale Model Researchs photo packs available fifty-seven different Mustangs Bob has excellent three-views compliment five Now thats onestop documentation shopping scale modeling friends round up Mustang kits order photos three-views check supplies glue fresh razor blades get ready visit World War TwoFun-Scale style says have pro fly Mustang Dynaflite has tamed pony have ride Til next time build straight fly safely RC Soaring/Blakeslee Continued page 47 tangled twisted lines past Launch retrieval takes about minute ring ready next launch Flying narrow fields obstructions cross-wind conditions now possible because speed Model 20 pulls line back ground about 25 mph launch retrieval line isnt allowed time drift away As reliability system has ultimate test Mark Triebes has repeatedly launched Mueller Comet 89T Pedal metal awesome wing-cracking zooms Model 20 February 1992 101 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIA PITCH THP 1266778 14677/u8 1567 16678 PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 6456BIul 9456677 1045667 106W8W 106EW 11467T/778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 pjorld S beSt 5e~flg spark grttlOfl sstem1 Chosen Byrmi Odicels ThG Mfg mul AM DJrcraft Saqqdy its outstanding rehal*ty Complete single cyl nder System nclud ng~fl throttlecoupled spark advance kt spark battery pack charger 900 sh elded____ spark plug leadMuch lunger engine kte Easy hand starts-no kickback 1ANNI-12800 RPM relable nile 0% power en fern strokers om histahtion aveldile Lower priced fuse no nitro needed Shielded qik plum bed 90 plug cover Fornyenpiesfl&qi2&4stroke sbtgleidtwhicyhders oIgaoductsavaiable Soark eels seerk ehus shielded ohm bed b tiab hits inviable isnt bothered Thats say retriever line isnt singing leaves spool convinced other tying retriever line cannon ball severe test cant found Model 20 has proven itself over 150 continuous rapid-fire retrievalsall hitch line untwisting device patent applied custom ball bearing main motor wiper action guide low power consumption motors light weight portability ease operation make Model 20 real asset glider flying weekend pilot sets out fly can now spend time flying bad air days merely allow landing practice test ability walk miles pulling parachute Model 20 priced $31900 comes complete instructional video retrieval line untwisting device battery hook-up leads Power requirement 12-volt auto deep-cycle type battery Direct connection winch battery also practical back Model 20 no questions asked unconditional 30-day money back guarantee addition except retrieval line guaranteed free defects 90 days toll free order number 1-800-225-0364 7 am 5 pm Pacific time Any questions can phoned 408/973-3333 Ask Ernie Address VMC Flight 18971 Fembrook Ct Saratoga CA 95070 Magic Lessons Chuck Lohre Chuck newsletter editor Cincinnati Soaring Society sent very interesting report experiences new Magic Actually its too long fit single column Ill print half month half next month Over Chuck day last November received RIC Soaring Digest Model Aviation magazines both information about Magic 138-in unlimited soaring glider Frank Weston knew exactly hi-tech construction performance sailplane looking never built built-up wing used iron-on coverings again would too soon decided order Spectra epoxy-bagged version $500 vs $300 because didnt want invest SAVE YOUR FIELD SNUF-LER muffler low cost easy install lightweight sound reducing muffler no performance penalty answer AMA muffler rule suggestIons saving flying fields Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possible 300-500 RPM increase improves engine idle s better fuel economy Easily attached 25-108 stock muff bra Heat corrosion resistant Black E cost finish No special adapters requIred Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 255 STAMP accepted Add $2S0for UPS $250 COD sod 6% oslestsoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG 102 Model Aviation THE LEADER IN COM PETITION PROPELLERS NEW NEW hIj C PYLON RACING SERIES 500 DIAPITCH 7SN 5N 8I67/z78 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE M MAnAAW SN U FFLERTM MUFFLER Patented great deal time money skills equipment bag own Id see what should expect first construction features really sold all-Kevlar male molded fuselage epoxy-bonded Spectra directly over foam wings servos wings T-tail slip-on nose cone access performance specsa reported 291 L/D lift drag ratiosounded great too type construction wanted learn build future models needed new radio too chose Airtronics Vision bells whistles far popular Nationals hoped radio could go grave Finally big day arrived UPS delivered kit immediately worked free hour get built May contest club scheduled Construction went well Franks instructions great also readily available answer questions I made first hand-launch test glides 630 am Thursday before contest just glided glided elated hadnt felt high since learning soar full-scale spending afternoon up clouds give Frank credit Magics off board flight followed instructions precisely alignment balance etc evening launched Magic again high start time Again awesome soon realized lot learn about programming radio trimming plane flying Klingberg Wing Gentle Lady wasnt afraid size plane because also have 11-footspan Astro Flight ASW 17 prepared fast flight wide turns landing set-up skills Klingberg Wing prepared aileron use test bed Vision contest day Magic flew well certainly achieved above average air times still learn land Just shows cant buy trophies After contest flew fun flight got pretty high wind picked upsomeand working some ridge lift off tree line thermal developed Since getting far downwind started heading back Now earlier Magic shown exceptional penetration Id won some bets regarding getting back landing site calm conditions glider guiders worst fearsink trouble hadnt yet programmed plane/radio penetrate flip switch figured glide ratio good enough just make Magic finally made over notch tree line few feet spare slowed too much spun hitting tree 30 feet up dropping out sight amazed got up saw no visual breaks minimal damage ego hurt FThaJ]y An Engine Mount stern Wont Shake Rattle Roll fly model planes dont have tell theres whole lotta shakin goin now theres something cando about Sullivan Flex Mount System Its engine mounting sys tem has specially designed rubber isolators absorb engine vibration reduce noise limit wear tear modeL thats Flex-Mount comes aluminum adaptor plate makes easy mount 40 60 90 two-cycle engines firewall strap mount beam mounting four-cycle engines So dont jitterbug IJk dealer Sullivan Flex-Mount engine mount ing system thought rock roll would never die P0 Box 5166 Baltimore MD 21224 got big lift came over hill plane piece heard big cheer took few minutes evening repair damage Magic superior plane performs letter Previously lesser performance planes just couldnt tell insofar trimming quirks go just exactly what going will take longer get completely dialed glider especially learning fly rudder opposite aileron thermals would full-scale outside wing always produces drag because traveling faster producing lift plane will slip fuselage will rotate away line turn soon let off rudder Also because extra lift plane will continue increase angle bank thus requiring slight amount opposite aileron programming about 5% flaps coupled elevator thermal turns youll get about four0 flaps correct amount slower flying speed Also youll get minus 30 little down elevator June flew sanctioned contests Dayton put DARTS Club launches higher others zooming good head wind CG right towhook 40% per plans Launch Continued page 106 February 1992 103 Getting Better Ideas Off Ground Serious Horsepower1 06 ST VS Rossi & Webra Parts Service Custom Engines Accessories Qave Shadel Performance Specialties Send $1 00for fully illustrated catalog Available VS Lang & Short Stroke 05 Long Stroke 05 6IFSR 0S4OVRP/VF 05 91 VROF STX-40 Rossi 40 coming soon information Call 702 265-7523 Hours 10 am 5 pm Monday Thursday PO Box 3146 nerville NV 89410 RC Soaring/Blakeslee Continued page 103 settings 150 flaps 100 up elevator too nervous flying smoothly flying full-scale takes half hour settle down fly smoothly Again landings poor Bob McGowans piece Soaring column July issue MA right Keep nose down dont take flaps off quickly plane will stall hardest part planning just right amount flaps use seemed needed avoid making long straight-in approach because depth perception poor orientation kept landing short now come past myself downwind height dependent wind 60 120 feet establish needed rate decent flaps needed make big 1800 turn wind try gently adjust flaps diameter turn needed depending wind speed decent rate set up short final about 150 feet applying little less flaps can get Magic come spot consistently Flying other planes drag can drop nose speed up burn off energy cant Magic Again its like full-scale example landing draggy Schweizer 233 trainer L/D 221 Clark Y airfoil guppy fuselage wing struts can side slip just approach fast Flying glass slipper like Grob LID 321 wont able land doing plane too slippery side slip very little increase drag increased speed have approach lowest speed possible 1 1A times stall speed plus half wind normal spoilers effective Flying Magic different flaps flew full-scale Blanik once used flaps thermaling during landing Its operating procedures use flaps landing Top bottom dive brakes used landing control Blanik Magics flaps act drag generators flying fast slowsort contradiction during landing Magic has made learning thermaling techniques lot fun few occasions Ive saved flight well below launch heightthats really fun part sport once saved 600 feet Schweizer 1-26 L/D 231 1 remember precision concentration needed maintain bank angle precisely speed exactly 20 45 mph stall occurs 28 mph level 40 mph 200 continually re centering lift thermal think triggered corn silo lifted back up 3500 feet day during practice Magic pretty windy due strong convection going gotten couple good flights hadnt made landings Im little shy about keeping plane good heading landing speed little hot After its lot money Nationals two weeks away Ive since learned full 900 flaps cures too hot landing speed problem third launch got very strong thermal going up fast Suddenly plane got thrown out flipped over its side went steep dive panicked pulled full up elevator right wing panel bent up 300 end 24-inch-long spruce spar applying flaps wing maintained its shape made gentle landing Frank shipped new set wings 42in spar next day work cut out getting ready Nationals reflection about incident realized should have used flaps slow dive first rather trying pull out high speed Chucks Magic Lessons will continued next month F YI Quiet flight brand new reference book giving information virtually everything youre likely need hobby compiled being published Don Edberg RCMs Soaring Continued page 127 lU GAIN CONTROL Losing control can nightmare wrong response given command can take its toll model nerves walletl Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 Futaba ______ ne 5524 N Palafox Pensacola FL 32503 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line Orders Only Pleasel 106 Model Aviation z CESSNA BOBC RT 1-50 UC-78 editor two-time F3B Team pilot labor love Don because its obvious has put lot work book will quiet flight bible contains gold information us like buy kinds hobby stuff Don describes book intended make task finding information aspects RC soaring electric flight much easier includes wealth information topics such RC systems sailplane electric kits construction finishing materials launching apparatus instructional materials other categories way F YI Quiet Flight reference available lists larger manufacturers right along small cottage industries know just important todays modelers fact information over 350 manufacturers listed over 10000 lines data contained 312 pages What unique about book items listed categorynot brand name example find out about releasable towhooks merely looks index under towhooks rather searching through manufacturers New CDX FAILSAFE R/C System Single Channel R/C Revisited 1 Looking some inexpensive N/C Fun 2 Interested Nostalgic Oldtimer N/C 3 1/ZA Texaco scale Schoolyard scale 4 Considering electric indoor RIC FILSAFE~0 CO~L 5CSTEM System shown No 8400 Series BEC August 1991 issue Flying Models Bob Aherle says decided try indoor flying. what lot potential fun winter months just rainy day Cal Orr April 1991 issue R/C Modeler wrote transmitter 27Mhz tested AMA Silver Sticker. will interfere 72 Mhz modelers. has excellent range seems operate well large metropolitan area. new Cox FAILSAFE H/C system digital non-proportional single channel radio trimmable flight No escapements worry about no need tie up big rig small low cost model receiver/servo less batteries weighs ONLY 19 ounces Thousands have sold flown Electric Flyboy Thrbo Centurion Are ready new single channel experience fun See new Cox FAILSAFE R/C System favorite hobby retailer unavailable call Cox Toll Free 800/451-0339 listing wont find sort information other commercial directories fact F YI has sources entries pages covering just Sailpianes Electrics either well-known directories covering aircraft includes very useful items found others F Y Quiet Flight full-size softbound book retailing $1995 including shipping handling CA residents add 775% sales tax Order Dynamic Modeling 4922 Rochelle Avenue Irvine CA 92714-2941 Phone 1800-SEND FYI orders 714/5521812 information 724172067 CompuServe Clubs groups buy four Cot No 8400 Series BEC Cat No 8500 Series BEC Available 27 Mhz Channels 1 thin 6 COX HOBBIES INC 350 West Rincon St Couna CA 91720 1991 COX HOBBIES INC copies get free 20% discount New Magazine Silent Flight really excellent new publication Its first English language full-size magazine devoted Soaring Electrics published England Argus Specialist Publications large publisher put out Radio Control Models & Electronics Radio Modeler several other model magazines first issue Silent Flight dated Autumn 1991 will come out four times year beauty Silent Flight has in-depth coverage types RC Soaring Electric gliders Scanning Continued page 131 - 60 Engino Sizo Epoxy Fiberglass Fuselage Kit -Sopor Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt Hirobo GMP & Schluler Kit includes Bodys Clear Canopy Landing Flesable Tail Drive Unit WoodIDV Hardware Manual Blueprint some oLE IIIJ ui models also include Pilolstation Macbin Gun Rocket Radar Dome & Shocks 521 Sinclair Frontage Rd Milpitas CA 95035 AH-1S TOW COBRA 36995 AH-64 APACHE 38995 UH-1B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 Ph 408-942-9525 FAX 408-942-9524 February 1992 127 RC Soaring/Blakeslee Continued page 106 WORLD CLASS R/C HELICOPTERS & ACCESSORIES IMPORT & EXPORT Subscriptions can ordered right RC Soaring/Blakesleein USA Wise Owl Worldwide Continued page 127Publications 4314 West 238th Street Torrance CA 90505 price $2400 year includes free binder $4800 two years includes binder extra free copy cost per copy high account shipping costs Im sure youll like down contents first issue note columns Slope soaring Vintage gliders F3F Slope Racing Power Scale Slope soaring F3J & Thermal soaring Electrics F3B New Products World News articles Thermic Prowler Open class soarer Czechoslovakia Norman Deans magnificent ASK 18 Cliff Charlesworth plans extensive report experimental German 5B13 full-scale flying wing short lot fine reading Soaring enthusiasts Visibility Aircraft Color Schemes Wayne Angevine Boulder Colorado Visibility important criterion choice color scheme sailplane After cant see cant fly Unlike other modelers fly far away high up good color scheme can make difference between successful flight lost airplane sometimes see tables colors ranked least visible other such discussions magazines newsletters tables always rank light colors visible dark colors least Most us know observation thats really way works gliders reading book connection work finally gave reasoning problem book called Probing Atmospheric Boundary Layer published American Meteorological Society chapters Visibility Measurement MK 231 OR PFM 3200 Alooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA MATh1st PLACE WINNER 1985 NA TB EXPERT PORSCHE FI7TED MOONEY RADIO 4-6 CHANNEL ENGINE 901082 CYCLE 120-4 CYCLE SPAN 88 AREA 990 SO IN WEIGHT 12-15 lbs Information send SASE Plene end Instructione $30 S&H February 1992 131 -loergiass Liowlings WinOsrilelO lip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full Instructions Scale Spinner WAYNE SIEWERT 2740 31St Ave MPLS MN 55406 USA612-722-7564 Just Time Christmas ALL NEW FINISHING FRIEND SYSTEM 12 Hnislung Fnend YOU Guaranteed help build FASTER BETIIR have lots MORE PUN 3rd hand vice FF9 securely holds model out away wo*bench Los ANY angle hands FREE Sanding ceting painting EASY because model nottouched outside surtace OUTSTANDING QUAL3TYcomes UFEIlME GUARANTEE onoa ouas TODAYI Join fan satisfied customers say TQWNOP0*0FF YC4J LNBWP UT 5 $H 1311 Ernst 161st St ngfigIj ff4 44 3174964043 MC Send BABE fsw Omchww VISA Techniques discusses definitions limits visibility environment very similar ie ability distinguish object some distance through air daylight article bit mathematical quite bit longer have space will summarize relevant material visibility plane depends apparent contrast between its background background bright sky have airplane particular color will present some contrast its background its close up As path through air between pilot plane gets distant light sun scattered air toward pilot making plane appear brighter thus --- -I /11 I7 tAH 2O Ya didnt AI5 J chance see quarter-scale Radio Control plane land around did ya pal wwi AERO 1900-1919 SKYWAYS 1920-1940 Far restorer builder & serious modeller early aircraft information current projects news museums airshows technical drawings data photographs scale modelling material news current publications historical research workshop notes intormation painlicolor aeroplanes engines parts sale wants disposals 1 year subscription $25Overseas $30Sample issues $4 Published WORLD WAR 1 2epona6 INC 15 Crescent Road Poughkeepsie NY 12601 USA 914 473-3679 PRODUCTS Complete Line Exhaust Systems TunedMuffled Tuned PiDes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsupaased WarkmanshiD 8 PerformanCe 132 Model Aviation presenting less contrast conclusion maximum visibility achieved black aitplane lighter color shorter distance over plane can distinguished sky So discussions visibility come opposite conclusion suspect tables drawn up different environmentthat land vehicle against ground environment youre painting ambulance fire truck course thats what want times black airplane may ideal example youre flying against dark cloud something lighter might good Most pilots ii 1p & SEND ~Cq9 FORRULES~~ AND PRE-ENTRY INFO SUN VALLEY FLYERS- c/c DAN BOTT PO BOX 1167 CAREFREE AZ 85371 Bus 800-7274888 Home 602-438-9210 iT AMA SANCTION #20043 CAVE BUTTES FIELD PHOENIX AZ 1332 AUZOfA JIT CZZCTACULAII FEBRUARY 22 & 23 concerned about visibility make planes least half black red dark blue bottom least white light panel contrast dark clouds considerations found article cited arent ones need taken account Obviously small plane becomes invisible shorter distance large willnot because its color because eye cant resolve small objects So its important break up color scheme small pieces prefer make major panel bottom wing color time visibility critical youre low flying toward yourself trying desperately make back landing circle can see point leading edge wing top bottom leading edge different colors have lost half apparent cross section recommend making top leading edge same color bottom least another dark color Slope soarers have worry about visibility against ground may want ignore above E RC Giants/de Vries Continued page 49 have appearing magazines work very well However carriers weve seen limited transport single model few include provisions hauling fuselage wing fixtures arent included design friends Jennings Products PO Box 1121 Hendersonville TN 37033-1 121 have come up neat answer model transport storage problem Model Aircraft Carrier & Storage Rack modular wooden components accommodates three four complete models wings storage home also hold trip club field looks like good hangar rash preventer Have Happy New Year E responding advertIsers mentIon thBt read Bbout Model Aviation FULL BODY PILOT KIT contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble tinish Some simple sewing required Fully positionable tool Price #206-/ scale995 #205-A scale1095 #2O41/ scale1195 #203-V3 scale1795 DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust * Some simple sewing required See Dealer add Dollar direct order handling February 1992 133 yrcFrNo IOU PLANE VIDEO Presents AEROB ATICS AND GROUND SCHOOL 105 minutes AERODYNAMICS AND STALL THEORY plus HOW TO DO control inputal Proper takeoils Loops rolls SpinsSnap rolls Proper landings crosswind techniques $1995 plus $3005/H lforeign-$600 5/NI BUILDING IT RIGHT THE FIRST TIME 22 hour Videotapes Wing constrsction Radio Installation Fuselage conat ruction Engine set up RadioinstallationPushrods Fuel syslemscovering wilh film Propsand spinnersAlignmentBalancing shearwebbingPLUS MUCH MORE $3495 plus $400 S/H lforeign-$8OO S/HI Plane Video RO Box 23128available VISAClive IA 50325 IOWA residenis add 4% sales las 800383-8251TouFREE - OR 515-223-0597 BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Price #lOS/s scale NEW 695 #106-% scale #l05-/s scale. #lO4-/u scale. f103-/u scale ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7O/ las Send check money order coos OK Send $100 catalog
Edition: Model Aviation - 1992/02
Page Numbers: 46, 47, 101, 102, 103, 106, 127, 131, 132, 133
LOTS OF VARIED interesting news pass month Lets start Robin Lehmans report scale flying Switzerland Soaring enthusiasts love seeing big scale gliders Europe seem build bigger fly actively Robin Big Apple dweller will have extensive article upcoming Model Aviation preview group enthusiasts meet twice year Switzerland call themselves Interessengemeinschaft Grossegler interested large gliders just happened Switzerland IGG get-togethers airport Belp just south Bern spent two solid days airtowing gliders None less 375 meters wing span ranged size upwards one-third scale beyond sailplanes scale immaculate some seventy-odd gliders flew plus ten tow planes mostly scale quarter-sized Piper Cub one-third Sukoi several quarter-sized larger Caps two Wilgas non-scale tug Quadra 100 three lines gliders ready towed times two days literally hundreds flights Quite eventI plan go back Robin may remember Robin article air towing June 1989 Model Aviation Robin does flying Long Island probably has biggest fleet big scale ships country Denver also small active group air towers includes Herb Smith Ray Marvin Stew Bergner Vince Lopez son Eric Denver group unique tow tail tow planes identical fullscale maybe because Herb Ray Stew also full-scale pilots 46 Model Aviation E3 Soaring Byron Blakeslee 3134 N WInnebago Dr Sedalla CO 80135 Grosseglers GIant scaic meeting Switzerland big scale gliders waiting airtowed quite meet Giant Mlnimoa Able Buhlmann right Wing span 68 meters 22 feet weight 24 kIlos 53 pounds ship took 1000 hours build photo above Robin Lehman New Model 20 winch high-start retriever left VMC Flight Photo shows guide arm launch position Line comes off end spool through hole top arm low Model 20 wIth guide arm re trIeve position Arm oscillates level-wind line spool Left foot pedal swings arm right pedal actuates retrieve motor Chuck Lonre snows tancy naw wing graphics bottom Magics wings Wow Chuck tells about plane columntruly fascinating reading 1/16-INCH36 483/16-INCH36 48 1/16//116063/161/3/16 1418 1116 o 3/32073/16 1/41520 1/161/1/809 123/16/13/61722 1/161/3/1610143/1601221 27 1/161/1411163/16/13/43041 1/161/38 14 18l/4-INCH3846 1/161/1/21721 1/161/3/422301/41/ 1/41722 1/41/3/81927 3/32-INCH36461/41/1/22231 3/321/33209121/41/3/43445 3/321/ 1/810145/16-INCH3646 3/321/3/161116 3/321/1/414175/161/5/1623 29 3/321/3/615205/161/3/82532 5/161/1/23039 3/321/1/21722 3/321/ 3/425 335/16 /1 3/442 56 3/6-INCH36 46 1/8-INCH 36 46 ___________________ 3/8 1/3/62940 1/81/1/809123/61/1/23344 1/81/31612163/81/3/44764 1/81/1/41418 1/61/3/817221/2-INCH3648 1/81/1/218261/21/1/24052 1/81/3/426351/21/3/45675 Double Balsa Wood Prices Spraceend COMPOSITE MATERIALKIflING SERVICE Sheets ks Rods TubesPeanut 1/3 Scale Carbon FiberKevlar S-GlossRohacell Foam Cutting Die Cutting Machine Sanded Parts LII LTWUUU 1/6012012 82 1/81/121/24164 1/81/121/48328 TAPERED TRAILING 600636 48 1/80 1/22432 3/16e3/43142 1/4014258 5/16o 1-1/44765 3/81/1-1/25677 1/21/283 3/41/3159 TRIANGULAR CUT BALSA 1/40 1/4/13627 3/8 o 3/8 0 3631 1/201/203640 3/4 1/ 34 r 3650 1o1e3660 BALSA PLANKS 1e3o36246 104036324 2021/36246 21/31/36352 2041/36486 3o3e36924 1/ 0 00728 Normal RC practice connect tow line close center gravity CG tug usually wing trailing edge high winger glider cannot throw tug out control flying too high too low However Denver guys have no problems towing tail Herb has beautifully detailed third-scale Super Cub pull thirdscale ASW 20 says secret fly tug smoothly coordinated turns tell glider pilot tug going can maintain position right behind VMC Flights Model 20 Retrieval System Ernie Barter VMC Flight sent video description partner Dick Bensons new retriever watching Model 20 retrieve both high-starts winch lines video impression well thought out engineered machine unit looks like little winch arm off side arm actually guide leads line off end spool during launch glider releases operator steps foot lever back unit swings arm around front spool step another lever turns spool motor same time arm oscillates back forth level-wind line An odd looking feature system little propeller attached retrieval line about 3 feet ahead tow ring Its purpose spin twist out line works whos argue recently end October talked Ernie about trying Model 20 obvious Ernie very excited about retriever said hed love lend first production batch 100 units sitting shop awaiting delivery motors motors should arrive December couple issues should have first-hand story tell meantime heres what Ernie says about Model 20 VMC Flight have developed retriever efficient fast reliable handles both high-start winch launch systems concept new respect line handling joy use retriever standup foot-operated hands off self-contained system Gone February 1992 47 1-INCH36 463-INCH36 461/640121/12195 1/81/6012107 1/160129391/321/343571/641/121/24389 1/81/121/12213 1/8o12o24425 3/321/132431/161/346821/640121/488011/81/12048850 1/81/135473/321/356751/64 0 48 e 483204 3/160 139521/81/364861/321/61/12783/160601279 3/16o3771023/161/121/12156 1/41/144611/403981201/321/121/121563/161/12024314 3/81/157775/161/31101431/321/121/24312 3/161/121/48626 1/20 I70943/8031281711/321/121/48625 1/4061/1279 2-INCH36481/21/3161 2141/161/601278 1/41/121/12156 1/321/232434-INCH36481/16 1/120121861/40121/24314 1/161/239511/320470931/161/12024312 1/41/12048626 3/321/244581/161/478 1081/161/12048625 3/81/12012193 1/81/24964 3/320488 1173/81/121/24385 3/161/258771/81/41021303/321/61/12973/8012048770 3/181/41221623/321/121/12194 1/41/26790141/41402073/80 120 12218 3/81/2821103/81/41952903/321/120243873/80 121/24433 1/21/21211811/21/42343483/321/120487743/81/121/48865 NEW PRODUCTS tND SERVICES Continued page 101 F V1Quiet Flight Sourcebook Sailpianes Electric flight excellent new where-to-buy reference book Don Edberg Anyone Interested silent flight should see struts popping out dont want poking through top wing Landing gear shock struts made telescoping brass tubing described kits directions landing gear fairings attached fuselage again per kit attachment gear legs made %2 nylon landing gear clamps end trimmed off method looks much less obvious rubber bands suggested kit Cubs simple foot step fashioned /16 music wire glued two holes drilled fuselage after covering back-up block glued inside fuselage additional gluing area support step Cub uses Enya 60 four-stroke power am firm believer high quality fuels ability ward off perceived problems four-stroke engines can wonderful aid audio side scale modelings realism just dont abuse use castor oil 12h% nitro dont tweak get last two rpm need additional power badly should have used two-stroke installed larger four-stroke built model didnt lend itself well four-strokes throaty sound would like hear few suggestions low EDF Emotional Debt Factor fun-type scale models youd like see covered series Goldbergs J-3 Anniversary Cub has very well received will continue present models believe will interest RC Scale columns readers Thats friends let know what youd like see next joint building project will Dynaflites Fun-Scale TM P-S 1 Mustang Next Cub pony probably popular aircraft time Mark Smiths Dynaflite design great airplane making everyday builder look like pronot bench air Did know term Fun Scale actually registered trademark Dynaflites Well thats reasons choosing Mustang over other P-S available feel entire fun-scale modeling fraternity owes Dynaflite small debt gratitude recognizing needs everyday modeler like scale airplanes yet still dont feel compelled build high commitment models Mark Smith has designed series expressly modelers Dynaflite has seven different kits available Fun-Scale TM series 40-size pony unquestionably cover telephone call Bob Bankas Scale Model Research see Model Aviation s advertising directory ad address telephone number got great 8 /2 x 11 three-view beautiful set photos PAUL PAUL color scheme lends itself very well film Tell Control Horn Go Wont Get Bent Out Shape airplane enthusiast know has same problems control horns flex bend break-what else new Introducing Sullivan 555 toughest control horn ever made Craftecfwith tempered steel instead plastic nickelplated wear resistance Sullivan Control Horn 555 built exacting specifications eliminate flex flutter Better still comes complete glass-filled nylon bushing prevent metal-to-metal contact radio interference sized fit either devises Sullivans New Ball Joint System easy off-axis movement lilt Sullivan 555 Finally control horn p PRODUCTS thats made right stuff PD Box 5166 Baiflmore MD 21224 Getting Better Ideas Off Ground covering jobs will make perfect subject useful instructionals several other areas Scale Model Researchs photo packs available fifty-seven different Mustangs Bob has excellent three-views compliment five Now thats onestop documentation shopping scale modeling friends round up Mustang kits order photos three-views check supplies glue fresh razor blades get ready visit World War TwoFun-Scale style says have pro fly Mustang Dynaflite has tamed pony have ride Til next time build straight fly safely RC Soaring/Blakeslee Continued page 47 tangled twisted lines past Launch retrieval takes about minute ring ready next launch Flying narrow fields obstructions cross-wind conditions now possible because speed Model 20 pulls line back ground about 25 mph launch retrieval line isnt allowed time drift away As reliability system has ultimate test Mark Triebes has repeatedly launched Mueller Comet 89T Pedal metal awesome wing-cracking zooms Model 20 February 1992 101 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIA PITCH THP 1266778 14677/u8 1567 16678 PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 6456BIul 9456677 1045667 106W8W 106EW 11467T/778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 pjorld S beSt 5e~flg spark grttlOfl sstem1 Chosen Byrmi Odicels ThG Mfg mul AM DJrcraft Saqqdy its outstanding rehal*ty Complete single cyl nder System nclud ng~fl throttlecoupled spark advance kt spark battery pack charger 900 sh elded____ spark plug leadMuch lunger engine kte Easy hand starts-no kickback 1ANNI-12800 RPM relable nile 0% power en fern strokers om histahtion aveldile Lower priced fuse no nitro needed Shielded qik plum bed 90 plug cover Fornyenpiesfl&qi2&4stroke sbtgleidtwhicyhders oIgaoductsavaiable Soark eels seerk ehus shielded ohm bed b tiab hits inviable isnt bothered Thats say retriever line isnt singing leaves spool convinced other tying retriever line cannon ball severe test cant found Model 20 has proven itself over 150 continuous rapid-fire retrievalsall hitch line untwisting device patent applied custom ball bearing main motor wiper action guide low power consumption motors light weight portability ease operation make Model 20 real asset glider flying weekend pilot sets out fly can now spend time flying bad air days merely allow landing practice test ability walk miles pulling parachute Model 20 priced $31900 comes complete instructional video retrieval line untwisting device battery hook-up leads Power requirement 12-volt auto deep-cycle type battery Direct connection winch battery also practical back Model 20 no questions asked unconditional 30-day money back guarantee addition except retrieval line guaranteed free defects 90 days toll free order number 1-800-225-0364 7 am 5 pm Pacific time Any questions can phoned 408/973-3333 Ask Ernie Address VMC Flight 18971 Fembrook Ct Saratoga CA 95070 Magic Lessons Chuck Lohre Chuck newsletter editor Cincinnati Soaring Society sent very interesting report experiences new Magic Actually its too long fit single column Ill print half month half next month Over Chuck day last November received RIC Soaring Digest Model Aviation magazines both information about Magic 138-in unlimited soaring glider Frank Weston knew exactly hi-tech construction performance sailplane looking never built built-up wing used iron-on coverings again would too soon decided order Spectra epoxy-bagged version $500 vs $300 because didnt want invest SAVE YOUR FIELD SNUF-LER muffler low cost easy install lightweight sound reducing muffler no performance penalty answer AMA muffler rule suggestIons saving flying fields Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possible 300-500 RPM increase improves engine idle s better fuel economy Easily attached 25-108 stock muff bra Heat corrosion resistant Black E cost finish No special adapters requIred Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 255 STAMP accepted Add $2S0for UPS $250 COD sod 6% oslestsoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG 102 Model Aviation THE LEADER IN COM PETITION PROPELLERS NEW NEW hIj C PYLON RACING SERIES 500 DIAPITCH 7SN 5N 8I67/z78 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE M MAnAAW SN U FFLERTM MUFFLER Patented great deal time money skills equipment bag own Id see what should expect first construction features really sold all-Kevlar male molded fuselage epoxy-bonded Spectra directly over foam wings servos wings T-tail slip-on nose cone access performance specsa reported 291 L/D lift drag ratiosounded great too type construction wanted learn build future models needed new radio too chose Airtronics Vision bells whistles far popular Nationals hoped radio could go grave Finally big day arrived UPS delivered kit immediately worked free hour get built May contest club scheduled Construction went well Franks instructions great also readily available answer questions I made first hand-launch test glides 630 am Thursday before contest just glided glided elated hadnt felt high since learning soar full-scale spending afternoon up clouds give Frank credit Magics off board flight followed instructions precisely alignment balance etc evening launched Magic again high start time Again awesome soon realized lot learn about programming radio trimming plane flying Klingberg Wing Gentle Lady wasnt afraid size plane because also have 11-footspan Astro Flight ASW 17 prepared fast flight wide turns landing set-up skills Klingberg Wing prepared aileron use test bed Vision contest day Magic flew well certainly achieved above average air times still learn land Just shows cant buy trophies After contest flew fun flight got pretty high wind picked upsomeand working some ridge lift off tree line thermal developed Since getting far downwind started heading back Now earlier Magic shown exceptional penetration Id won some bets regarding getting back landing site calm conditions glider guiders worst fearsink trouble hadnt yet programmed plane/radio penetrate flip switch figured glide ratio good enough just make Magic finally made over notch tree line few feet spare slowed too much spun hitting tree 30 feet up dropping out sight amazed got up saw no visual breaks minimal damage ego hurt FThaJ]y An Engine Mount stern Wont Shake Rattle Roll fly model planes dont have tell theres whole lotta shakin goin now theres something cando about Sullivan Flex Mount System Its engine mounting sys tem has specially designed rubber isolators absorb engine vibration reduce noise limit wear tear modeL thats Flex-Mount comes aluminum adaptor plate makes easy mount 40 60 90 two-cycle engines firewall strap mount beam mounting four-cycle engines So dont jitterbug IJk dealer Sullivan Flex-Mount engine mount ing system thought rock roll would never die P0 Box 5166 Baltimore MD 21224 got big lift came over hill plane piece heard big cheer took few minutes evening repair damage Magic superior plane performs letter Previously lesser performance planes just couldnt tell insofar trimming quirks go just exactly what going will take longer get completely dialed glider especially learning fly rudder opposite aileron thermals would full-scale outside wing always produces drag because traveling faster producing lift plane will slip fuselage will rotate away line turn soon let off rudder Also because extra lift plane will continue increase angle bank thus requiring slight amount opposite aileron programming about 5% flaps coupled elevator thermal turns youll get about four0 flaps correct amount slower flying speed Also youll get minus 30 little down elevator June flew sanctioned contests Dayton put DARTS Club launches higher others zooming good head wind CG right towhook 40% per plans Launch Continued page 106 February 1992 103 Getting Better Ideas Off Ground Serious Horsepower1 06 ST VS Rossi & Webra Parts Service Custom Engines Accessories Qave Shadel Performance Specialties Send $1 00for fully illustrated catalog Available VS Lang & Short Stroke 05 Long Stroke 05 6IFSR 0S4OVRP/VF 05 91 VROF STX-40 Rossi 40 coming soon information Call 702 265-7523 Hours 10 am 5 pm Monday Thursday PO Box 3146 nerville NV 89410 RC Soaring/Blakeslee Continued page 103 settings 150 flaps 100 up elevator too nervous flying smoothly flying full-scale takes half hour settle down fly smoothly Again landings poor Bob McGowans piece Soaring column July issue MA right Keep nose down dont take flaps off quickly plane will stall hardest part planning just right amount flaps use seemed needed avoid making long straight-in approach because depth perception poor orientation kept landing short now come past myself downwind height dependent wind 60 120 feet establish needed rate decent flaps needed make big 1800 turn wind try gently adjust flaps diameter turn needed depending wind speed decent rate set up short final about 150 feet applying little less flaps can get Magic come spot consistently Flying other planes drag can drop nose speed up burn off energy cant Magic Again its like full-scale example landing draggy Schweizer 233 trainer L/D 221 Clark Y airfoil guppy fuselage wing struts can side slip just approach fast Flying glass slipper like Grob LID 321 wont able land doing plane too slippery side slip very little increase drag increased speed have approach lowest speed possible 1 1A times stall speed plus half wind normal spoilers effective Flying Magic different flaps flew full-scale Blanik once used flaps thermaling during landing Its operating procedures use flaps landing Top bottom dive brakes used landing control Blanik Magics flaps act drag generators flying fast slowsort contradiction during landing Magic has made learning thermaling techniques lot fun few occasions Ive saved flight well below launch heightthats really fun part sport once saved 600 feet Schweizer 1-26 L/D 231 1 remember precision concentration needed maintain bank angle precisely speed exactly 20 45 mph stall occurs 28 mph level 40 mph 200 continually re centering lift thermal think triggered corn silo lifted back up 3500 feet day during practice Magic pretty windy due strong convection going gotten couple good flights hadnt made landings Im little shy about keeping plane good heading landing speed little hot After its lot money Nationals two weeks away Ive since learned full 900 flaps cures too hot landing speed problem third launch got very strong thermal going up fast Suddenly plane got thrown out flipped over its side went steep dive panicked pulled full up elevator right wing panel bent up 300 end 24-inch-long spruce spar applying flaps wing maintained its shape made gentle landing Frank shipped new set wings 42in spar next day work cut out getting ready Nationals reflection about incident realized should have used flaps slow dive first rather trying pull out high speed Chucks Magic Lessons will continued next month F YI Quiet flight brand new reference book giving information virtually everything youre likely need hobby compiled being published Don Edberg RCMs Soaring Continued page 127 lU GAIN CONTROL Losing control can nightmare wrong response given command can take its toll model nerves walletl Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 Futaba ______ ne 5524 N Palafox Pensacola FL 32503 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line Orders Only Pleasel 106 Model Aviation z CESSNA BOBC RT 1-50 UC-78 editor two-time F3B Team pilot labor love Don because its obvious has put lot work book will quiet flight bible contains gold information us like buy kinds hobby stuff Don describes book intended make task finding information aspects RC soaring electric flight much easier includes wealth information topics such RC systems sailplane electric kits construction finishing materials launching apparatus instructional materials other categories way F YI Quiet Flight reference available lists larger manufacturers right along small cottage industries know just important todays modelers fact information over 350 manufacturers listed over 10000 lines data contained 312 pages What unique about book items listed categorynot brand name example find out about releasable towhooks merely looks index under towhooks rather searching through manufacturers New CDX FAILSAFE R/C System Single Channel R/C Revisited 1 Looking some inexpensive N/C Fun 2 Interested Nostalgic Oldtimer N/C 3 1/ZA Texaco scale Schoolyard scale 4 Considering electric indoor RIC FILSAFE~0 CO~L 5CSTEM System shown No 8400 Series BEC August 1991 issue Flying Models Bob Aherle says decided try indoor flying. what lot potential fun winter months just rainy day Cal Orr April 1991 issue R/C Modeler wrote transmitter 27Mhz tested AMA Silver Sticker. will interfere 72 Mhz modelers. has excellent range seems operate well large metropolitan area. new Cox FAILSAFE H/C system digital non-proportional single channel radio trimmable flight No escapements worry about no need tie up big rig small low cost model receiver/servo less batteries weighs ONLY 19 ounces Thousands have sold flown Electric Flyboy Thrbo Centurion Are ready new single channel experience fun See new Cox FAILSAFE R/C System favorite hobby retailer unavailable call Cox Toll Free 800/451-0339 listing wont find sort information other commercial directories fact F YI has sources entries pages covering just Sailpianes Electrics either well-known directories covering aircraft includes very useful items found others F Y Quiet Flight full-size softbound book retailing $1995 including shipping handling CA residents add 775% sales tax Order Dynamic Modeling 4922 Rochelle Avenue Irvine CA 92714-2941 Phone 1800-SEND FYI orders 714/5521812 information 724172067 CompuServe Clubs groups buy four Cot No 8400 Series BEC Cat No 8500 Series BEC Available 27 Mhz Channels 1 thin 6 COX HOBBIES INC 350 West Rincon St Couna CA 91720 1991 COX HOBBIES INC copies get free 20% discount New Magazine Silent Flight really excellent new publication Its first English language full-size magazine devoted Soaring Electrics published England Argus Specialist Publications large publisher put out Radio Control Models & Electronics Radio Modeler several other model magazines first issue Silent Flight dated Autumn 1991 will come out four times year beauty Silent Flight has in-depth coverage types RC Soaring Electric gliders Scanning Continued page 131 - 60 Engino Sizo Epoxy Fiberglass Fuselage Kit -Sopor Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt Hirobo GMP & Schluler Kit includes Bodys Clear Canopy Landing Flesable Tail Drive Unit WoodIDV Hardware Manual Blueprint some oLE IIIJ ui models also include Pilolstation Macbin Gun Rocket Radar Dome & Shocks 521 Sinclair Frontage Rd Milpitas CA 95035 AH-1S TOW COBRA 36995 AH-64 APACHE 38995 UH-1B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 Ph 408-942-9525 FAX 408-942-9524 February 1992 127 RC Soaring/Blakeslee Continued page 106 WORLD CLASS R/C HELICOPTERS & ACCESSORIES IMPORT & EXPORT Subscriptions can ordered right RC Soaring/Blakesleein USA Wise Owl Worldwide Continued page 127Publications 4314 West 238th Street Torrance CA 90505 price $2400 year includes free binder $4800 two years includes binder extra free copy cost per copy high account shipping costs Im sure youll like down contents first issue note columns Slope soaring Vintage gliders F3F Slope Racing Power Scale Slope soaring F3J & Thermal soaring Electrics F3B New Products World News articles Thermic Prowler Open class soarer Czechoslovakia Norman Deans magnificent ASK 18 Cliff Charlesworth plans extensive report experimental German 5B13 full-scale flying wing short lot fine reading Soaring enthusiasts Visibility Aircraft Color Schemes Wayne Angevine Boulder Colorado Visibility important criterion choice color scheme sailplane After cant see cant fly Unlike other modelers fly far away high up good color scheme can make difference between successful flight lost airplane sometimes see tables colors ranked least visible other such discussions magazines newsletters tables always rank light colors visible dark colors least Most us know observation thats really way works gliders reading book connection work finally gave reasoning problem book called Probing Atmospheric Boundary Layer published American Meteorological Society chapters Visibility Measurement MK 231 OR PFM 3200 Alooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA MATh1st PLACE WINNER 1985 NA TB EXPERT PORSCHE FI7TED MOONEY RADIO 4-6 CHANNEL ENGINE 901082 CYCLE 120-4 CYCLE SPAN 88 AREA 990 SO IN WEIGHT 12-15 lbs Information send SASE Plene end Instructione $30 S&H February 1992 131 -loergiass Liowlings WinOsrilelO lip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full Instructions Scale Spinner WAYNE SIEWERT 2740 31St Ave MPLS MN 55406 USA612-722-7564 Just Time Christmas ALL NEW FINISHING FRIEND SYSTEM 12 Hnislung Fnend YOU Guaranteed help build FASTER BETIIR have lots MORE PUN 3rd hand vice FF9 securely holds model out away wo*bench Los ANY angle hands FREE Sanding ceting painting EASY because model nottouched outside surtace OUTSTANDING QUAL3TYcomes UFEIlME GUARANTEE onoa ouas TODAYI Join fan satisfied customers say TQWNOP0*0FF YC4J LNBWP UT 5 $H 1311 Ernst 161st St ngfigIj ff4 44 3174964043 MC Send BABE fsw Omchww VISA Techniques discusses definitions limits visibility environment very similar ie ability distinguish object some distance through air daylight article bit mathematical quite bit longer have space will summarize relevant material visibility plane depends apparent contrast between its background background bright sky have airplane particular color will present some contrast its background its close up As path through air between pilot plane gets distant light sun scattered air toward pilot making plane appear brighter thus --- -I /11 I7 tAH 2O Ya didnt AI5 J chance see quarter-scale Radio Control plane land around did ya pal wwi AERO 1900-1919 SKYWAYS 1920-1940 Far restorer builder & serious modeller early aircraft information current projects news museums airshows technical drawings data photographs scale modelling material news current publications historical research workshop notes intormation painlicolor aeroplanes engines parts sale wants disposals 1 year subscription $25Overseas $30Sample issues $4 Published WORLD WAR 1 2epona6 INC 15 Crescent Road Poughkeepsie NY 12601 USA 914 473-3679 PRODUCTS Complete Line Exhaust Systems TunedMuffled Tuned PiDes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsupaased WarkmanshiD 8 PerformanCe 132 Model Aviation presenting less contrast conclusion maximum visibility achieved black aitplane lighter color shorter distance over plane can distinguished sky So discussions visibility come opposite conclusion suspect tables drawn up different environmentthat land vehicle against ground environment youre painting ambulance fire truck course thats what want times black airplane may ideal example youre flying against dark cloud something lighter might good Most pilots ii 1p & SEND ~Cq9 FORRULES~~ AND PRE-ENTRY INFO SUN VALLEY FLYERS- c/c DAN BOTT PO BOX 1167 CAREFREE AZ 85371 Bus 800-7274888 Home 602-438-9210 iT AMA SANCTION #20043 CAVE BUTTES FIELD PHOENIX AZ 1332 AUZOfA JIT CZZCTACULAII FEBRUARY 22 & 23 concerned about visibility make planes least half black red dark blue bottom least white light panel contrast dark clouds considerations found article cited arent ones need taken account Obviously small plane becomes invisible shorter distance large willnot because its color because eye cant resolve small objects So its important break up color scheme small pieces prefer make major panel bottom wing color time visibility critical youre low flying toward yourself trying desperately make back landing circle can see point leading edge wing top bottom leading edge different colors have lost half apparent cross section recommend making top leading edge same color bottom least another dark color Slope soarers have worry about visibility against ground may want ignore above E RC Giants/de Vries Continued page 49 have appearing magazines work very well However carriers weve seen limited transport single model few include provisions hauling fuselage wing fixtures arent included design friends Jennings Products PO Box 1121 Hendersonville TN 37033-1 121 have come up neat answer model transport storage problem Model Aircraft Carrier & Storage Rack modular wooden components accommodates three four complete models wings storage home also hold trip club field looks like good hangar rash preventer Have Happy New Year E responding advertIsers mentIon thBt read Bbout Model Aviation FULL BODY PILOT KIT contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble tinish Some simple sewing required Fully positionable tool Price #206-/ scale995 #205-A scale1095 #2O41/ scale1195 #203-V3 scale1795 DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust * Some simple sewing required See Dealer add Dollar direct order handling February 1992 133 yrcFrNo IOU PLANE VIDEO Presents AEROB ATICS AND GROUND SCHOOL 105 minutes AERODYNAMICS AND STALL THEORY plus HOW TO DO control inputal Proper takeoils Loops rolls SpinsSnap rolls Proper landings crosswind techniques $1995 plus $3005/H lforeign-$600 5/NI BUILDING IT RIGHT THE FIRST TIME 22 hour Videotapes Wing constrsction Radio Installation Fuselage conat ruction Engine set up RadioinstallationPushrods Fuel syslemscovering wilh film Propsand spinnersAlignmentBalancing shearwebbingPLUS MUCH MORE $3495 plus $400 S/H lforeign-$8OO S/HI Plane Video RO Box 23128available VISAClive IA 50325 IOWA residenis add 4% sales las 800383-8251TouFREE - OR 515-223-0597 BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Price #lOS/s scale NEW 695 #106-% scale #l05-/s scale. #lO4-/u scale. f103-/u scale ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7O/ las Send check money order coos OK Send $100 catalog
Edition: Model Aviation - 1992/02
Page Numbers: 46, 47, 101, 102, 103, 106, 127, 131, 132, 133
LOTS OF VARIED interesting news pass month Lets start Robin Lehmans report scale flying Switzerland Soaring enthusiasts love seeing big scale gliders Europe seem build bigger fly actively Robin Big Apple dweller will have extensive article upcoming Model Aviation preview group enthusiasts meet twice year Switzerland call themselves Interessengemeinschaft Grossegler interested large gliders just happened Switzerland IGG get-togethers airport Belp just south Bern spent two solid days airtowing gliders None less 375 meters wing span ranged size upwards one-third scale beyond sailplanes scale immaculate some seventy-odd gliders flew plus ten tow planes mostly scale quarter-sized Piper Cub one-third Sukoi several quarter-sized larger Caps two Wilgas non-scale tug Quadra 100 three lines gliders ready towed times two days literally hundreds flights Quite eventI plan go back Robin may remember Robin article air towing June 1989 Model Aviation Robin does flying Long Island probably has biggest fleet big scale ships country Denver also small active group air towers includes Herb Smith Ray Marvin Stew Bergner Vince Lopez son Eric Denver group unique tow tail tow planes identical fullscale maybe because Herb Ray Stew also full-scale pilots 46 Model Aviation E3 Soaring Byron Blakeslee 3134 N WInnebago Dr Sedalla CO 80135 Grosseglers GIant scaic meeting Switzerland big scale gliders waiting airtowed quite meet Giant Mlnimoa Able Buhlmann right Wing span 68 meters 22 feet weight 24 kIlos 53 pounds ship took 1000 hours build photo above Robin Lehman New Model 20 winch high-start retriever left VMC Flight Photo shows guide arm launch position Line comes off end spool through hole top arm low Model 20 wIth guide arm re trIeve position Arm oscillates level-wind line spool Left foot pedal swings arm right pedal actuates retrieve motor Chuck Lonre snows tancy naw wing graphics bottom Magics wings Wow Chuck tells about plane columntruly fascinating reading 1/16-INCH36 483/16-INCH36 48 1/16//116063/161/3/16 1418 1116 o 3/32073/16 1/41520 1/161/1/809 123/16/13/61722 1/161/3/1610143/1601221 27 1/161/1411163/16/13/43041 1/161/38 14 18l/4-INCH3846 1/161/1/21721 1/161/3/422301/41/ 1/41722 1/41/3/81927 3/32-INCH36461/41/1/22231 3/321/33209121/41/3/43445 3/321/ 1/810145/16-INCH3646 3/321/3/161116 3/321/1/414175/161/5/1623 29 3/321/3/615205/161/3/82532 5/161/1/23039 3/321/1/21722 3/321/ 3/425 335/16 /1 3/442 56 3/6-INCH36 46 1/8-INCH 36 46 ___________________ 3/8 1/3/62940 1/81/1/809123/61/1/23344 1/81/31612163/81/3/44764 1/81/1/41418 1/61/3/817221/2-INCH3648 1/81/1/218261/21/1/24052 1/81/3/426351/21/3/45675 Double Balsa Wood Prices Spraceend COMPOSITE MATERIALKIflING SERVICE Sheets ks Rods TubesPeanut 1/3 Scale Carbon FiberKevlar S-GlossRohacell Foam Cutting Die Cutting Machine Sanded Parts LII LTWUUU 1/6012012 82 1/81/121/24164 1/81/121/48328 TAPERED TRAILING 600636 48 1/80 1/22432 3/16e3/43142 1/4014258 5/16o 1-1/44765 3/81/1-1/25677 1/21/283 3/41/3159 TRIANGULAR CUT BALSA 1/40 1/4/13627 3/8 o 3/8 0 3631 1/201/203640 3/4 1/ 34 r 3650 1o1e3660 BALSA PLANKS 1e3o36246 104036324 2021/36246 21/31/36352 2041/36486 3o3e36924 1/ 0 00728 Normal RC practice connect tow line close center gravity CG tug usually wing trailing edge high winger glider cannot throw tug out control flying too high too low However Denver guys have no problems towing tail Herb has beautifully detailed third-scale Super Cub pull thirdscale ASW 20 says secret fly tug smoothly coordinated turns tell glider pilot tug going can maintain position right behind VMC Flights Model 20 Retrieval System Ernie Barter VMC Flight sent video description partner Dick Bensons new retriever watching Model 20 retrieve both high-starts winch lines video impression well thought out engineered machine unit looks like little winch arm off side arm actually guide leads line off end spool during launch glider releases operator steps foot lever back unit swings arm around front spool step another lever turns spool motor same time arm oscillates back forth level-wind line An odd looking feature system little propeller attached retrieval line about 3 feet ahead tow ring Its purpose spin twist out line works whos argue recently end October talked Ernie about trying Model 20 obvious Ernie very excited about retriever said hed love lend first production batch 100 units sitting shop awaiting delivery motors motors should arrive December couple issues should have first-hand story tell meantime heres what Ernie says about Model 20 VMC Flight have developed retriever efficient fast reliable handles both high-start winch launch systems concept new respect line handling joy use retriever standup foot-operated hands off self-contained system Gone February 1992 47 1-INCH36 463-INCH36 461/640121/12195 1/81/6012107 1/160129391/321/343571/641/121/24389 1/81/121/12213 1/8o12o24425 3/321/132431/161/346821/640121/488011/81/12048850 1/81/135473/321/356751/64 0 48 e 483204 3/160 139521/81/364861/321/61/12783/160601279 3/16o3771023/161/121/12156 1/41/144611/403981201/321/121/121563/161/12024314 3/81/157775/161/31101431/321/121/24312 3/161/121/48626 1/20 I70943/8031281711/321/121/48625 1/4061/1279 2-INCH36481/21/3161 2141/161/601278 1/41/121/12156 1/321/232434-INCH36481/16 1/120121861/40121/24314 1/161/239511/320470931/161/12024312 1/41/12048626 3/321/244581/161/478 1081/161/12048625 3/81/12012193 1/81/24964 3/320488 1173/81/121/24385 3/161/258771/81/41021303/321/61/12973/8012048770 3/181/41221623/321/121/12194 1/41/26790141/41402073/80 120 12218 3/81/2821103/81/41952903/321/120243873/80 121/24433 1/21/21211811/21/42343483/321/120487743/81/121/48865 NEW PRODUCTS tND SERVICES Continued page 101 F V1Quiet Flight Sourcebook Sailpianes Electric flight excellent new where-to-buy reference book Don Edberg Anyone Interested silent flight should see struts popping out dont want poking through top wing Landing gear shock struts made telescoping brass tubing described kits directions landing gear fairings attached fuselage again per kit attachment gear legs made %2 nylon landing gear clamps end trimmed off method looks much less obvious rubber bands suggested kit Cubs simple foot step fashioned /16 music wire glued two holes drilled fuselage after covering back-up block glued inside fuselage additional gluing area support step Cub uses Enya 60 four-stroke power am firm believer high quality fuels ability ward off perceived problems four-stroke engines can wonderful aid audio side scale modelings realism just dont abuse use castor oil 12h% nitro dont tweak get last two rpm need additional power badly should have used two-stroke installed larger four-stroke built model didnt lend itself well four-strokes throaty sound would like hear few suggestions low EDF Emotional Debt Factor fun-type scale models youd like see covered series Goldbergs J-3 Anniversary Cub has very well received will continue present models believe will interest RC Scale columns readers Thats friends let know what youd like see next joint building project will Dynaflites Fun-Scale TM P-S 1 Mustang Next Cub pony probably popular aircraft time Mark Smiths Dynaflite design great airplane making everyday builder look like pronot bench air Did know term Fun Scale actually registered trademark Dynaflites Well thats reasons choosing Mustang over other P-S available feel entire fun-scale modeling fraternity owes Dynaflite small debt gratitude recognizing needs everyday modeler like scale airplanes yet still dont feel compelled build high commitment models Mark Smith has designed series expressly modelers Dynaflite has seven different kits available Fun-Scale TM series 40-size pony unquestionably cover telephone call Bob Bankas Scale Model Research see Model Aviation s advertising directory ad address telephone number got great 8 /2 x 11 three-view beautiful set photos PAUL PAUL color scheme lends itself very well film Tell Control Horn Go Wont Get Bent Out Shape airplane enthusiast know has same problems control horns flex bend break-what else new Introducing Sullivan 555 toughest control horn ever made Craftecfwith tempered steel instead plastic nickelplated wear resistance Sullivan Control Horn 555 built exacting specifications eliminate flex flutter Better still comes complete glass-filled nylon bushing prevent metal-to-metal contact radio interference sized fit either devises Sullivans New Ball Joint System easy off-axis movement lilt Sullivan 555 Finally control horn p PRODUCTS thats made right stuff PD Box 5166 Baiflmore MD 21224 Getting Better Ideas Off Ground covering jobs will make perfect subject useful instructionals several other areas Scale Model Researchs photo packs available fifty-seven different Mustangs Bob has excellent three-views compliment five Now thats onestop documentation shopping scale modeling friends round up Mustang kits order photos three-views check supplies glue fresh razor blades get ready visit World War TwoFun-Scale style says have pro fly Mustang Dynaflite has tamed pony have ride Til next time build straight fly safely RC Soaring/Blakeslee Continued page 47 tangled twisted lines past Launch retrieval takes about minute ring ready next launch Flying narrow fields obstructions cross-wind conditions now possible because speed Model 20 pulls line back ground about 25 mph launch retrieval line isnt allowed time drift away As reliability system has ultimate test Mark Triebes has repeatedly launched Mueller Comet 89T Pedal metal awesome wing-cracking zooms Model 20 February 1992 101 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIA PITCH THP 1266778 14677/u8 1567 16678 PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 6456BIul 9456677 1045667 106W8W 106EW 11467T/778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 pjorld S beSt 5e~flg spark grttlOfl sstem1 Chosen Byrmi Odicels ThG Mfg mul AM DJrcraft Saqqdy its outstanding rehal*ty Complete single cyl nder System nclud ng~fl throttlecoupled spark advance kt spark battery pack charger 900 sh elded____ spark plug leadMuch lunger engine kte Easy hand starts-no kickback 1ANNI-12800 RPM relable nile 0% power en fern strokers om histahtion aveldile Lower priced fuse no nitro needed Shielded qik plum bed 90 plug cover Fornyenpiesfl&qi2&4stroke sbtgleidtwhicyhders oIgaoductsavaiable Soark eels seerk ehus shielded ohm bed b tiab hits inviable isnt bothered Thats say retriever line isnt singing leaves spool convinced other tying retriever line cannon ball severe test cant found Model 20 has proven itself over 150 continuous rapid-fire retrievalsall hitch line untwisting device patent applied custom ball bearing main motor wiper action guide low power consumption motors light weight portability ease operation make Model 20 real asset glider flying weekend pilot sets out fly can now spend time flying bad air days merely allow landing practice test ability walk miles pulling parachute Model 20 priced $31900 comes complete instructional video retrieval line untwisting device battery hook-up leads Power requirement 12-volt auto deep-cycle type battery Direct connection winch battery also practical back Model 20 no questions asked unconditional 30-day money back guarantee addition except retrieval line guaranteed free defects 90 days toll free order number 1-800-225-0364 7 am 5 pm Pacific time Any questions can phoned 408/973-3333 Ask Ernie Address VMC Flight 18971 Fembrook Ct Saratoga CA 95070 Magic Lessons Chuck Lohre Chuck newsletter editor Cincinnati Soaring Society sent very interesting report experiences new Magic Actually its too long fit single column Ill print half month half next month Over Chuck day last November received RIC Soaring Digest Model Aviation magazines both information about Magic 138-in unlimited soaring glider Frank Weston knew exactly hi-tech construction performance sailplane looking never built built-up wing used iron-on coverings again would too soon decided order Spectra epoxy-bagged version $500 vs $300 because didnt want invest SAVE YOUR FIELD SNUF-LER muffler low cost easy install lightweight sound reducing muffler no performance penalty answer AMA muffler rule suggestIons saving flying fields Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possible 300-500 RPM increase improves engine idle s better fuel economy Easily attached 25-108 stock muff bra Heat corrosion resistant Black E cost finish No special adapters requIred Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 255 STAMP accepted Add $2S0for UPS $250 COD sod 6% oslestsoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG 102 Model Aviation THE LEADER IN COM PETITION PROPELLERS NEW NEW hIj C PYLON RACING SERIES 500 DIAPITCH 7SN 5N 8I67/z78 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE M MAnAAW SN U FFLERTM MUFFLER Patented great deal time money skills equipment bag own Id see what should expect first construction features really sold all-Kevlar male molded fuselage epoxy-bonded Spectra directly over foam wings servos wings T-tail slip-on nose cone access performance specsa reported 291 L/D lift drag ratiosounded great too type construction wanted learn build future models needed new radio too chose Airtronics Vision bells whistles far popular Nationals hoped radio could go grave Finally big day arrived UPS delivered kit immediately worked free hour get built May contest club scheduled Construction went well Franks instructions great also readily available answer questions I made first hand-launch test glides 630 am Thursday before contest just glided glided elated hadnt felt high since learning soar full-scale spending afternoon up clouds give Frank credit Magics off board flight followed instructions precisely alignment balance etc evening launched Magic again high start time Again awesome soon realized lot learn about programming radio trimming plane flying Klingberg Wing Gentle Lady wasnt afraid size plane because also have 11-footspan Astro Flight ASW 17 prepared fast flight wide turns landing set-up skills Klingberg Wing prepared aileron use test bed Vision contest day Magic flew well certainly achieved above average air times still learn land Just shows cant buy trophies After contest flew fun flight got pretty high wind picked upsomeand working some ridge lift off tree line thermal developed Since getting far downwind started heading back Now earlier Magic shown exceptional penetration Id won some bets regarding getting back landing site calm conditions glider guiders worst fearsink trouble hadnt yet programmed plane/radio penetrate flip switch figured glide ratio good enough just make Magic finally made over notch tree line few feet spare slowed too much spun hitting tree 30 feet up dropping out sight amazed got up saw no visual breaks minimal damage ego hurt FThaJ]y An Engine Mount stern Wont Shake Rattle Roll fly model planes dont have tell theres whole lotta shakin goin now theres something cando about Sullivan Flex Mount System Its engine mounting sys tem has specially designed rubber isolators absorb engine vibration reduce noise limit wear tear modeL thats Flex-Mount comes aluminum adaptor plate makes easy mount 40 60 90 two-cycle engines firewall strap mount beam mounting four-cycle engines So dont jitterbug IJk dealer Sullivan Flex-Mount engine mount ing system thought rock roll would never die P0 Box 5166 Baltimore MD 21224 got big lift came over hill plane piece heard big cheer took few minutes evening repair damage Magic superior plane performs letter Previously lesser performance planes just couldnt tell insofar trimming quirks go just exactly what going will take longer get completely dialed glider especially learning fly rudder opposite aileron thermals would full-scale outside wing always produces drag because traveling faster producing lift plane will slip fuselage will rotate away line turn soon let off rudder Also because extra lift plane will continue increase angle bank thus requiring slight amount opposite aileron programming about 5% flaps coupled elevator thermal turns youll get about four0 flaps correct amount slower flying speed Also youll get minus 30 little down elevator June flew sanctioned contests Dayton put DARTS Club launches higher others zooming good head wind CG right towhook 40% per plans Launch Continued page 106 February 1992 103 Getting Better Ideas Off Ground Serious Horsepower1 06 ST VS Rossi & Webra Parts Service Custom Engines Accessories Qave Shadel Performance Specialties Send $1 00for fully illustrated catalog Available VS Lang & Short Stroke 05 Long Stroke 05 6IFSR 0S4OVRP/VF 05 91 VROF STX-40 Rossi 40 coming soon information Call 702 265-7523 Hours 10 am 5 pm Monday Thursday PO Box 3146 nerville NV 89410 RC Soaring/Blakeslee Continued page 103 settings 150 flaps 100 up elevator too nervous flying smoothly flying full-scale takes half hour settle down fly smoothly Again landings poor Bob McGowans piece Soaring column July issue MA right Keep nose down dont take flaps off quickly plane will stall hardest part planning just right amount flaps use seemed needed avoid making long straight-in approach because depth perception poor orientation kept landing short now come past myself downwind height dependent wind 60 120 feet establish needed rate decent flaps needed make big 1800 turn wind try gently adjust flaps diameter turn needed depending wind speed decent rate set up short final about 150 feet applying little less flaps can get Magic come spot consistently Flying other planes drag can drop nose speed up burn off energy cant Magic Again its like full-scale example landing draggy Schweizer 233 trainer L/D 221 Clark Y airfoil guppy fuselage wing struts can side slip just approach fast Flying glass slipper like Grob LID 321 wont able land doing plane too slippery side slip very little increase drag increased speed have approach lowest speed possible 1 1A times stall speed plus half wind normal spoilers effective Flying Magic different flaps flew full-scale Blanik once used flaps thermaling during landing Its operating procedures use flaps landing Top bottom dive brakes used landing control Blanik Magics flaps act drag generators flying fast slowsort contradiction during landing Magic has made learning thermaling techniques lot fun few occasions Ive saved flight well below launch heightthats really fun part sport once saved 600 feet Schweizer 1-26 L/D 231 1 remember precision concentration needed maintain bank angle precisely speed exactly 20 45 mph stall occurs 28 mph level 40 mph 200 continually re centering lift thermal think triggered corn silo lifted back up 3500 feet day during practice Magic pretty windy due strong convection going gotten couple good flights hadnt made landings Im little shy about keeping plane good heading landing speed little hot After its lot money Nationals two weeks away Ive since learned full 900 flaps cures too hot landing speed problem third launch got very strong thermal going up fast Suddenly plane got thrown out flipped over its side went steep dive panicked pulled full up elevator right wing panel bent up 300 end 24-inch-long spruce spar applying flaps wing maintained its shape made gentle landing Frank shipped new set wings 42in spar next day work cut out getting ready Nationals reflection about incident realized should have used flaps slow dive first rather trying pull out high speed Chucks Magic Lessons will continued next month F YI Quiet flight brand new reference book giving information virtually everything youre likely need hobby compiled being published Don Edberg RCMs Soaring Continued page 127 lU GAIN CONTROL Losing control can nightmare wrong response given command can take its toll model nerves walletl Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 Futaba ______ ne 5524 N Palafox Pensacola FL 32503 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line Orders Only Pleasel 106 Model Aviation z CESSNA BOBC RT 1-50 UC-78 editor two-time F3B Team pilot labor love Don because its obvious has put lot work book will quiet flight bible contains gold information us like buy kinds hobby stuff Don describes book intended make task finding information aspects RC soaring electric flight much easier includes wealth information topics such RC systems sailplane electric kits construction finishing materials launching apparatus instructional materials other categories way F YI Quiet Flight reference available lists larger manufacturers right along small cottage industries know just important todays modelers fact information over 350 manufacturers listed over 10000 lines data contained 312 pages What unique about book items listed categorynot brand name example find out about releasable towhooks merely looks index under towhooks rather searching through manufacturers New CDX FAILSAFE R/C System Single Channel R/C Revisited 1 Looking some inexpensive N/C Fun 2 Interested Nostalgic Oldtimer N/C 3 1/ZA Texaco scale Schoolyard scale 4 Considering electric indoor RIC FILSAFE~0 CO~L 5CSTEM System shown No 8400 Series BEC August 1991 issue Flying Models Bob Aherle says decided try indoor flying. what lot potential fun winter months just rainy day Cal Orr April 1991 issue R/C Modeler wrote transmitter 27Mhz tested AMA Silver Sticker. will interfere 72 Mhz modelers. has excellent range seems operate well large metropolitan area. new Cox FAILSAFE H/C system digital non-proportional single channel radio trimmable flight No escapements worry about no need tie up big rig small low cost model receiver/servo less batteries weighs ONLY 19 ounces Thousands have sold flown Electric Flyboy Thrbo Centurion Are ready new single channel experience fun See new Cox FAILSAFE R/C System favorite hobby retailer unavailable call Cox Toll Free 800/451-0339 listing wont find sort information other commercial directories fact F YI has sources entries pages covering just Sailpianes Electrics either well-known directories covering aircraft includes very useful items found others F Y Quiet Flight full-size softbound book retailing $1995 including shipping handling CA residents add 775% sales tax Order Dynamic Modeling 4922 Rochelle Avenue Irvine CA 92714-2941 Phone 1800-SEND FYI orders 714/5521812 information 724172067 CompuServe Clubs groups buy four Cot No 8400 Series BEC Cat No 8500 Series BEC Available 27 Mhz Channels 1 thin 6 COX HOBBIES INC 350 West Rincon St Couna CA 91720 1991 COX HOBBIES INC copies get free 20% discount New Magazine Silent Flight really excellent new publication Its first English language full-size magazine devoted Soaring Electrics published England Argus Specialist Publications large publisher put out Radio Control Models & Electronics Radio Modeler several other model magazines first issue Silent Flight dated Autumn 1991 will come out four times year beauty Silent Flight has in-depth coverage types RC Soaring Electric gliders Scanning Continued page 131 - 60 Engino Sizo Epoxy Fiberglass Fuselage Kit -Sopor Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt Hirobo GMP & Schluler Kit includes Bodys Clear Canopy Landing Flesable Tail Drive Unit WoodIDV Hardware Manual Blueprint some oLE IIIJ ui models also include Pilolstation Macbin Gun Rocket Radar Dome & Shocks 521 Sinclair Frontage Rd Milpitas CA 95035 AH-1S TOW COBRA 36995 AH-64 APACHE 38995 UH-1B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 Ph 408-942-9525 FAX 408-942-9524 February 1992 127 RC Soaring/Blakeslee Continued page 106 WORLD CLASS R/C HELICOPTERS & ACCESSORIES IMPORT & EXPORT Subscriptions can ordered right RC Soaring/Blakesleein USA Wise Owl Worldwide Continued page 127Publications 4314 West 238th Street Torrance CA 90505 price $2400 year includes free binder $4800 two years includes binder extra free copy cost per copy high account shipping costs Im sure youll like down contents first issue note columns Slope soaring Vintage gliders F3F Slope Racing Power Scale Slope soaring F3J & Thermal soaring Electrics F3B New Products World News articles Thermic Prowler Open class soarer Czechoslovakia Norman Deans magnificent ASK 18 Cliff Charlesworth plans extensive report experimental German 5B13 full-scale flying wing short lot fine reading Soaring enthusiasts Visibility Aircraft Color Schemes Wayne Angevine Boulder Colorado Visibility important criterion choice color scheme sailplane After cant see cant fly Unlike other modelers fly far away high up good color scheme can make difference between successful flight lost airplane sometimes see tables colors ranked least visible other such discussions magazines newsletters tables always rank light colors visible dark colors least Most us know observation thats really way works gliders reading book connection work finally gave reasoning problem book called Probing Atmospheric Boundary Layer published American Meteorological Society chapters Visibility Measurement MK 231 OR PFM 3200 Alooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA MATh1st PLACE WINNER 1985 NA TB EXPERT PORSCHE FI7TED MOONEY RADIO 4-6 CHANNEL ENGINE 901082 CYCLE 120-4 CYCLE SPAN 88 AREA 990 SO IN WEIGHT 12-15 lbs Information send SASE Plene end Instructione $30 S&H February 1992 131 -loergiass Liowlings WinOsrilelO lip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full Instructions Scale Spinner WAYNE SIEWERT 2740 31St Ave MPLS MN 55406 USA612-722-7564 Just Time Christmas ALL NEW FINISHING FRIEND SYSTEM 12 Hnislung Fnend YOU Guaranteed help build FASTER BETIIR have lots MORE PUN 3rd hand vice FF9 securely holds model out away wo*bench Los ANY angle hands FREE Sanding ceting painting EASY because model nottouched outside surtace OUTSTANDING QUAL3TYcomes UFEIlME GUARANTEE onoa ouas TODAYI Join fan satisfied customers say TQWNOP0*0FF YC4J LNBWP UT 5 $H 1311 Ernst 161st St ngfigIj ff4 44 3174964043 MC Send BABE fsw Omchww VISA Techniques discusses definitions limits visibility environment very similar ie ability distinguish object some distance through air daylight article bit mathematical quite bit longer have space will summarize relevant material visibility plane depends apparent contrast between its background background bright sky have airplane particular color will present some contrast its background its close up As path through air between pilot plane gets distant light sun scattered air toward pilot making plane appear brighter thus --- -I /11 I7 tAH 2O Ya didnt AI5 J chance see quarter-scale Radio Control plane land around did ya pal wwi AERO 1900-1919 SKYWAYS 1920-1940 Far restorer builder & serious modeller early aircraft information current projects news museums airshows technical drawings data photographs scale modelling material news current publications historical research workshop notes intormation painlicolor aeroplanes engines parts sale wants disposals 1 year subscription $25Overseas $30Sample issues $4 Published WORLD WAR 1 2epona6 INC 15 Crescent Road Poughkeepsie NY 12601 USA 914 473-3679 PRODUCTS Complete Line Exhaust Systems TunedMuffled Tuned PiDes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsupaased WarkmanshiD 8 PerformanCe 132 Model Aviation presenting less contrast conclusion maximum visibility achieved black aitplane lighter color shorter distance over plane can distinguished sky So discussions visibility come opposite conclusion suspect tables drawn up different environmentthat land vehicle against ground environment youre painting ambulance fire truck course thats what want times black airplane may ideal example youre flying against dark cloud something lighter might good Most pilots ii 1p & SEND ~Cq9 FORRULES~~ AND PRE-ENTRY INFO SUN VALLEY FLYERS- c/c DAN BOTT PO BOX 1167 CAREFREE AZ 85371 Bus 800-7274888 Home 602-438-9210 iT AMA SANCTION #20043 CAVE BUTTES FIELD PHOENIX AZ 1332 AUZOfA JIT CZZCTACULAII FEBRUARY 22 & 23 concerned about visibility make planes least half black red dark blue bottom least white light panel contrast dark clouds considerations found article cited arent ones need taken account Obviously small plane becomes invisible shorter distance large willnot because its color because eye cant resolve small objects So its important break up color scheme small pieces prefer make major panel bottom wing color time visibility critical youre low flying toward yourself trying desperately make back landing circle can see point leading edge wing top bottom leading edge different colors have lost half apparent cross section recommend making top leading edge same color bottom least another dark color Slope soarers have worry about visibility against ground may want ignore above E RC Giants/de Vries Continued page 49 have appearing magazines work very well However carriers weve seen limited transport single model few include provisions hauling fuselage wing fixtures arent included design friends Jennings Products PO Box 1121 Hendersonville TN 37033-1 121 have come up neat answer model transport storage problem Model Aircraft Carrier & Storage Rack modular wooden components accommodates three four complete models wings storage home also hold trip club field looks like good hangar rash preventer Have Happy New Year E responding advertIsers mentIon thBt read Bbout Model Aviation FULL BODY PILOT KIT contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble tinish Some simple sewing required Fully positionable tool Price #206-/ scale995 #205-A scale1095 #2O41/ scale1195 #203-V3 scale1795 DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust * Some simple sewing required See Dealer add Dollar direct order handling February 1992 133 yrcFrNo IOU PLANE VIDEO Presents AEROB ATICS AND GROUND SCHOOL 105 minutes AERODYNAMICS AND STALL THEORY plus HOW TO DO control inputal Proper takeoils Loops rolls SpinsSnap rolls Proper landings crosswind techniques $1995 plus $3005/H lforeign-$600 5/NI BUILDING IT RIGHT THE FIRST TIME 22 hour Videotapes Wing constrsction Radio Installation Fuselage conat ruction Engine set up RadioinstallationPushrods Fuel syslemscovering wilh film Propsand spinnersAlignmentBalancing shearwebbingPLUS MUCH MORE $3495 plus $400 S/H lforeign-$8OO S/HI Plane Video RO Box 23128available VISAClive IA 50325 IOWA residenis add 4% sales las 800383-8251TouFREE - OR 515-223-0597 BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Price #lOS/s scale NEW 695 #106-% scale #l05-/s scale. #lO4-/u scale. f103-/u scale ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7O/ las Send check money order coos OK Send $100 catalog
Edition: Model Aviation - 1992/02
Page Numbers: 46, 47, 101, 102, 103, 106, 127, 131, 132, 133
LOTS OF VARIED interesting news pass month Lets start Robin Lehmans report scale flying Switzerland Soaring enthusiasts love seeing big scale gliders Europe seem build bigger fly actively Robin Big Apple dweller will have extensive article upcoming Model Aviation preview group enthusiasts meet twice year Switzerland call themselves Interessengemeinschaft Grossegler interested large gliders just happened Switzerland IGG get-togethers airport Belp just south Bern spent two solid days airtowing gliders None less 375 meters wing span ranged size upwards one-third scale beyond sailplanes scale immaculate some seventy-odd gliders flew plus ten tow planes mostly scale quarter-sized Piper Cub one-third Sukoi several quarter-sized larger Caps two Wilgas non-scale tug Quadra 100 three lines gliders ready towed times two days literally hundreds flights Quite eventI plan go back Robin may remember Robin article air towing June 1989 Model Aviation Robin does flying Long Island probably has biggest fleet big scale ships country Denver also small active group air towers includes Herb Smith Ray Marvin Stew Bergner Vince Lopez son Eric Denver group unique tow tail tow planes identical fullscale maybe because Herb Ray Stew also full-scale pilots 46 Model Aviation E3 Soaring Byron Blakeslee 3134 N WInnebago Dr Sedalla CO 80135 Grosseglers GIant scaic meeting Switzerland big scale gliders waiting airtowed quite meet Giant Mlnimoa Able Buhlmann right Wing span 68 meters 22 feet weight 24 kIlos 53 pounds ship took 1000 hours build photo above Robin Lehman New Model 20 winch high-start retriever left VMC Flight Photo shows guide arm launch position Line comes off end spool through hole top arm low Model 20 wIth guide arm re trIeve position Arm oscillates level-wind line spool Left foot pedal swings arm right pedal actuates retrieve motor Chuck Lonre snows tancy naw wing graphics bottom Magics wings Wow Chuck tells about plane columntruly fascinating reading 1/16-INCH36 483/16-INCH36 48 1/16//116063/161/3/16 1418 1116 o 3/32073/16 1/41520 1/161/1/809 123/16/13/61722 1/161/3/1610143/1601221 27 1/161/1411163/16/13/43041 1/161/38 14 18l/4-INCH3846 1/161/1/21721 1/161/3/422301/41/ 1/41722 1/41/3/81927 3/32-INCH36461/41/1/22231 3/321/33209121/41/3/43445 3/321/ 1/810145/16-INCH3646 3/321/3/161116 3/321/1/414175/161/5/1623 29 3/321/3/615205/161/3/82532 5/161/1/23039 3/321/1/21722 3/321/ 3/425 335/16 /1 3/442 56 3/6-INCH36 46 1/8-INCH 36 46 ___________________ 3/8 1/3/62940 1/81/1/809123/61/1/23344 1/81/31612163/81/3/44764 1/81/1/41418 1/61/3/817221/2-INCH3648 1/81/1/218261/21/1/24052 1/81/3/426351/21/3/45675 Double Balsa Wood Prices Spraceend COMPOSITE MATERIALKIflING SERVICE Sheets ks Rods TubesPeanut 1/3 Scale Carbon FiberKevlar S-GlossRohacell Foam Cutting Die Cutting Machine Sanded Parts LII LTWUUU 1/6012012 82 1/81/121/24164 1/81/121/48328 TAPERED TRAILING 600636 48 1/80 1/22432 3/16e3/43142 1/4014258 5/16o 1-1/44765 3/81/1-1/25677 1/21/283 3/41/3159 TRIANGULAR CUT BALSA 1/40 1/4/13627 3/8 o 3/8 0 3631 1/201/203640 3/4 1/ 34 r 3650 1o1e3660 BALSA PLANKS 1e3o36246 104036324 2021/36246 21/31/36352 2041/36486 3o3e36924 1/ 0 00728 Normal RC practice connect tow line close center gravity CG tug usually wing trailing edge high winger glider cannot throw tug out control flying too high too low However Denver guys have no problems towing tail Herb has beautifully detailed third-scale Super Cub pull thirdscale ASW 20 says secret fly tug smoothly coordinated turns tell glider pilot tug going can maintain position right behind VMC Flights Model 20 Retrieval System Ernie Barter VMC Flight sent video description partner Dick Bensons new retriever watching Model 20 retrieve both high-starts winch lines video impression well thought out engineered machine unit looks like little winch arm off side arm actually guide leads line off end spool during launch glider releases operator steps foot lever back unit swings arm around front spool step another lever turns spool motor same time arm oscillates back forth level-wind line An odd looking feature system little propeller attached retrieval line about 3 feet ahead tow ring Its purpose spin twist out line works whos argue recently end October talked Ernie about trying Model 20 obvious Ernie very excited about retriever said hed love lend first production batch 100 units sitting shop awaiting delivery motors motors should arrive December couple issues should have first-hand story tell meantime heres what Ernie says about Model 20 VMC Flight have developed retriever efficient fast reliable handles both high-start winch launch systems concept new respect line handling joy use retriever standup foot-operated hands off self-contained system Gone February 1992 47 1-INCH36 463-INCH36 461/640121/12195 1/81/6012107 1/160129391/321/343571/641/121/24389 1/81/121/12213 1/8o12o24425 3/321/132431/161/346821/640121/488011/81/12048850 1/81/135473/321/356751/64 0 48 e 483204 3/160 139521/81/364861/321/61/12783/160601279 3/16o3771023/161/121/12156 1/41/144611/403981201/321/121/121563/161/12024314 3/81/157775/161/31101431/321/121/24312 3/161/121/48626 1/20 I70943/8031281711/321/121/48625 1/4061/1279 2-INCH36481/21/3161 2141/161/601278 1/41/121/12156 1/321/232434-INCH36481/16 1/120121861/40121/24314 1/161/239511/320470931/161/12024312 1/41/12048626 3/321/244581/161/478 1081/161/12048625 3/81/12012193 1/81/24964 3/320488 1173/81/121/24385 3/161/258771/81/41021303/321/61/12973/8012048770 3/181/41221623/321/121/12194 1/41/26790141/41402073/80 120 12218 3/81/2821103/81/41952903/321/120243873/80 121/24433 1/21/21211811/21/42343483/321/120487743/81/121/48865 NEW PRODUCTS tND SERVICES Continued page 101 F V1Quiet Flight Sourcebook Sailpianes Electric flight excellent new where-to-buy reference book Don Edberg Anyone Interested silent flight should see struts popping out dont want poking through top wing Landing gear shock struts made telescoping brass tubing described kits directions landing gear fairings attached fuselage again per kit attachment gear legs made %2 nylon landing gear clamps end trimmed off method looks much less obvious rubber bands suggested kit Cubs simple foot step fashioned /16 music wire glued two holes drilled fuselage after covering back-up block glued inside fuselage additional gluing area support step Cub uses Enya 60 four-stroke power am firm believer high quality fuels ability ward off perceived problems four-stroke engines can wonderful aid audio side scale modelings realism just dont abuse use castor oil 12h% nitro dont tweak get last two rpm need additional power badly should have used two-stroke installed larger four-stroke built model didnt lend itself well four-strokes throaty sound would like hear few suggestions low EDF Emotional Debt Factor fun-type scale models youd like see covered series Goldbergs J-3 Anniversary Cub has very well received will continue present models believe will interest RC Scale columns readers Thats friends let know what youd like see next joint building project will Dynaflites Fun-Scale TM P-S 1 Mustang Next Cub pony probably popular aircraft time Mark Smiths Dynaflite design great airplane making everyday builder look like pronot bench air Did know term Fun Scale actually registered trademark Dynaflites Well thats reasons choosing Mustang over other P-S available feel entire fun-scale modeling fraternity owes Dynaflite small debt gratitude recognizing needs everyday modeler like scale airplanes yet still dont feel compelled build high commitment models Mark Smith has designed series expressly modelers Dynaflite has seven different kits available Fun-Scale TM series 40-size pony unquestionably cover telephone call Bob Bankas Scale Model Research see Model Aviation s advertising directory ad address telephone number got great 8 /2 x 11 three-view beautiful set photos PAUL PAUL color scheme lends itself very well film Tell Control Horn Go Wont Get Bent Out Shape airplane enthusiast know has same problems control horns flex bend break-what else new Introducing Sullivan 555 toughest control horn ever made Craftecfwith tempered steel instead plastic nickelplated wear resistance Sullivan Control Horn 555 built exacting specifications eliminate flex flutter Better still comes complete glass-filled nylon bushing prevent metal-to-metal contact radio interference sized fit either devises Sullivans New Ball Joint System easy off-axis movement lilt Sullivan 555 Finally control horn p PRODUCTS thats made right stuff PD Box 5166 Baiflmore MD 21224 Getting Better Ideas Off Ground covering jobs will make perfect subject useful instructionals several other areas Scale Model Researchs photo packs available fifty-seven different Mustangs Bob has excellent three-views compliment five Now thats onestop documentation shopping scale modeling friends round up Mustang kits order photos three-views check supplies glue fresh razor blades get ready visit World War TwoFun-Scale style says have pro fly Mustang Dynaflite has tamed pony have ride Til next time build straight fly safely RC Soaring/Blakeslee Continued page 47 tangled twisted lines past Launch retrieval takes about minute ring ready next launch Flying narrow fields obstructions cross-wind conditions now possible because speed Model 20 pulls line back ground about 25 mph launch retrieval line isnt allowed time drift away As reliability system has ultimate test Mark Triebes has repeatedly launched Mueller Comet 89T Pedal metal awesome wing-cracking zooms Model 20 February 1992 101 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIA PITCH THP 1266778 14677/u8 1567 16678 PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 6456BIul 9456677 1045667 106W8W 106EW 11467T/778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 pjorld S beSt 5e~flg spark grttlOfl sstem1 Chosen Byrmi Odicels ThG Mfg mul AM DJrcraft Saqqdy its outstanding rehal*ty Complete single cyl nder System nclud ng~fl throttlecoupled spark advance kt spark battery pack charger 900 sh elded____ spark plug leadMuch lunger engine kte Easy hand starts-no kickback 1ANNI-12800 RPM relable nile 0% power en fern strokers om histahtion aveldile Lower priced fuse no nitro needed Shielded qik plum bed 90 plug cover Fornyenpiesfl&qi2&4stroke sbtgleidtwhicyhders oIgaoductsavaiable Soark eels seerk ehus shielded ohm bed b tiab hits inviable isnt bothered Thats say retriever line isnt singing leaves spool convinced other tying retriever line cannon ball severe test cant found Model 20 has proven itself over 150 continuous rapid-fire retrievalsall hitch line untwisting device patent applied custom ball bearing main motor wiper action guide low power consumption motors light weight portability ease operation make Model 20 real asset glider flying weekend pilot sets out fly can now spend time flying bad air days merely allow landing practice test ability walk miles pulling parachute Model 20 priced $31900 comes complete instructional video retrieval line untwisting device battery hook-up leads Power requirement 12-volt auto deep-cycle type battery Direct connection winch battery also practical back Model 20 no questions asked unconditional 30-day money back guarantee addition except retrieval line guaranteed free defects 90 days toll free order number 1-800-225-0364 7 am 5 pm Pacific time Any questions can phoned 408/973-3333 Ask Ernie Address VMC Flight 18971 Fembrook Ct Saratoga CA 95070 Magic Lessons Chuck Lohre Chuck newsletter editor Cincinnati Soaring Society sent very interesting report experiences new Magic Actually its too long fit single column Ill print half month half next month Over Chuck day last November received RIC Soaring Digest Model Aviation magazines both information about Magic 138-in unlimited soaring glider Frank Weston knew exactly hi-tech construction performance sailplane looking never built built-up wing used iron-on coverings again would too soon decided order Spectra epoxy-bagged version $500 vs $300 because didnt want invest SAVE YOUR FIELD SNUF-LER muffler low cost easy install lightweight sound reducing muffler no performance penalty answer AMA muffler rule suggestIons saving flying fields Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possible 300-500 RPM increase improves engine idle s better fuel economy Easily attached 25-108 stock muff bra Heat corrosion resistant Black E cost finish No special adapters requIred Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 255 STAMP accepted Add $2S0for UPS $250 COD sod 6% oslestsoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG 102 Model Aviation THE LEADER IN COM PETITION PROPELLERS NEW NEW hIj C PYLON RACING SERIES 500 DIAPITCH 7SN 5N 8I67/z78 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE M MAnAAW SN U FFLERTM MUFFLER Patented great deal time money skills equipment bag own Id see what should expect first construction features really sold all-Kevlar male molded fuselage epoxy-bonded Spectra directly over foam wings servos wings T-tail slip-on nose cone access performance specsa reported 291 L/D lift drag ratiosounded great too type construction wanted learn build future models needed new radio too chose Airtronics Vision bells whistles far popular Nationals hoped radio could go grave Finally big day arrived UPS delivered kit immediately worked free hour get built May contest club scheduled Construction went well Franks instructions great also readily available answer questions I made first hand-launch test glides 630 am Thursday before contest just glided glided elated hadnt felt high since learning soar full-scale spending afternoon up clouds give Frank credit Magics off board flight followed instructions precisely alignment balance etc evening launched Magic again high start time Again awesome soon realized lot learn about programming radio trimming plane flying Klingberg Wing Gentle Lady wasnt afraid size plane because also have 11-footspan Astro Flight ASW 17 prepared fast flight wide turns landing set-up skills Klingberg Wing prepared aileron use test bed Vision contest day Magic flew well certainly achieved above average air times still learn land Just shows cant buy trophies After contest flew fun flight got pretty high wind picked upsomeand working some ridge lift off tree line thermal developed Since getting far downwind started heading back Now earlier Magic shown exceptional penetration Id won some bets regarding getting back landing site calm conditions glider guiders worst fearsink trouble hadnt yet programmed plane/radio penetrate flip switch figured glide ratio good enough just make Magic finally made over notch tree line few feet spare slowed too much spun hitting tree 30 feet up dropping out sight amazed got up saw no visual breaks minimal damage ego hurt FThaJ]y An Engine Mount stern Wont Shake Rattle Roll fly model planes dont have tell theres whole lotta shakin goin now theres something cando about Sullivan Flex Mount System Its engine mounting sys tem has specially designed rubber isolators absorb engine vibration reduce noise limit wear tear modeL thats Flex-Mount comes aluminum adaptor plate makes easy mount 40 60 90 two-cycle engines firewall strap mount beam mounting four-cycle engines So dont jitterbug IJk dealer Sullivan Flex-Mount engine mount ing system thought rock roll would never die P0 Box 5166 Baltimore MD 21224 got big lift came over hill plane piece heard big cheer took few minutes evening repair damage Magic superior plane performs letter Previously lesser performance planes just couldnt tell insofar trimming quirks go just exactly what going will take longer get completely dialed glider especially learning fly rudder opposite aileron thermals would full-scale outside wing always produces drag because traveling faster producing lift plane will slip fuselage will rotate away line turn soon let off rudder Also because extra lift plane will continue increase angle bank thus requiring slight amount opposite aileron programming about 5% flaps coupled elevator thermal turns youll get about four0 flaps correct amount slower flying speed Also youll get minus 30 little down elevator June flew sanctioned contests Dayton put DARTS Club launches higher others zooming good head wind CG right towhook 40% per plans Launch Continued page 106 February 1992 103 Getting Better Ideas Off Ground Serious Horsepower1 06 ST VS Rossi & Webra Parts Service Custom Engines Accessories Qave Shadel Performance Specialties Send $1 00for fully illustrated catalog Available VS Lang & Short Stroke 05 Long Stroke 05 6IFSR 0S4OVRP/VF 05 91 VROF STX-40 Rossi 40 coming soon information Call 702 265-7523 Hours 10 am 5 pm Monday Thursday PO Box 3146 nerville NV 89410 RC Soaring/Blakeslee Continued page 103 settings 150 flaps 100 up elevator too nervous flying smoothly flying full-scale takes half hour settle down fly smoothly Again landings poor Bob McGowans piece Soaring column July issue MA right Keep nose down dont take flaps off quickly plane will stall hardest part planning just right amount flaps use seemed needed avoid making long straight-in approach because depth perception poor orientation kept landing short now come past myself downwind height dependent wind 60 120 feet establish needed rate decent flaps needed make big 1800 turn wind try gently adjust flaps diameter turn needed depending wind speed decent rate set up short final about 150 feet applying little less flaps can get Magic come spot consistently Flying other planes drag can drop nose speed up burn off energy cant Magic Again its like full-scale example landing draggy Schweizer 233 trainer L/D 221 Clark Y airfoil guppy fuselage wing struts can side slip just approach fast Flying glass slipper like Grob LID 321 wont able land doing plane too slippery side slip very little increase drag increased speed have approach lowest speed possible 1 1A times stall speed plus half wind normal spoilers effective Flying Magic different flaps flew full-scale Blanik once used flaps thermaling during landing Its operating procedures use flaps landing Top bottom dive brakes used landing control Blanik Magics flaps act drag generators flying fast slowsort contradiction during landing Magic has made learning thermaling techniques lot fun few occasions Ive saved flight well below launch heightthats really fun part sport once saved 600 feet Schweizer 1-26 L/D 231 1 remember precision concentration needed maintain bank angle precisely speed exactly 20 45 mph stall occurs 28 mph level 40 mph 200 continually re centering lift thermal think triggered corn silo lifted back up 3500 feet day during practice Magic pretty windy due strong convection going gotten couple good flights hadnt made landings Im little shy about keeping plane good heading landing speed little hot After its lot money Nationals two weeks away Ive since learned full 900 flaps cures too hot landing speed problem third launch got very strong thermal going up fast Suddenly plane got thrown out flipped over its side went steep dive panicked pulled full up elevator right wing panel bent up 300 end 24-inch-long spruce spar applying flaps wing maintained its shape made gentle landing Frank shipped new set wings 42in spar next day work cut out getting ready Nationals reflection about incident realized should have used flaps slow dive first rather trying pull out high speed Chucks Magic Lessons will continued next month F YI Quiet flight brand new reference book giving information virtually everything youre likely need hobby compiled being published Don Edberg RCMs Soaring Continued page 127 lU GAIN CONTROL Losing control can nightmare wrong response given command can take its toll model nerves walletl Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 Futaba ______ ne 5524 N Palafox Pensacola FL 32503 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line Orders Only Pleasel 106 Model Aviation z CESSNA BOBC RT 1-50 UC-78 editor two-time F3B Team pilot labor love Don because its obvious has put lot work book will quiet flight bible contains gold information us like buy kinds hobby stuff Don describes book intended make task finding information aspects RC soaring electric flight much easier includes wealth information topics such RC systems sailplane electric kits construction finishing materials launching apparatus instructional materials other categories way F YI Quiet Flight reference available lists larger manufacturers right along small cottage industries know just important todays modelers fact information over 350 manufacturers listed over 10000 lines data contained 312 pages What unique about book items listed categorynot brand name example find out about releasable towhooks merely looks index under towhooks rather searching through manufacturers New CDX FAILSAFE R/C System Single Channel R/C Revisited 1 Looking some inexpensive N/C Fun 2 Interested Nostalgic Oldtimer N/C 3 1/ZA Texaco scale Schoolyard scale 4 Considering electric indoor RIC FILSAFE~0 CO~L 5CSTEM System shown No 8400 Series BEC August 1991 issue Flying Models Bob Aherle says decided try indoor flying. what lot potential fun winter months just rainy day Cal Orr April 1991 issue R/C Modeler wrote transmitter 27Mhz tested AMA Silver Sticker. will interfere 72 Mhz modelers. has excellent range seems operate well large metropolitan area. new Cox FAILSAFE H/C system digital non-proportional single channel radio trimmable flight No escapements worry about no need tie up big rig small low cost model receiver/servo less batteries weighs ONLY 19 ounces Thousands have sold flown Electric Flyboy Thrbo Centurion Are ready new single channel experience fun See new Cox FAILSAFE R/C System favorite hobby retailer unavailable call Cox Toll Free 800/451-0339 listing wont find sort information other commercial directories fact F YI has sources entries pages covering just Sailpianes Electrics either well-known directories covering aircraft includes very useful items found others F Y Quiet Flight full-size softbound book retailing $1995 including shipping handling CA residents add 775% sales tax Order Dynamic Modeling 4922 Rochelle Avenue Irvine CA 92714-2941 Phone 1800-SEND FYI orders 714/5521812 information 724172067 CompuServe Clubs groups buy four Cot No 8400 Series BEC Cat No 8500 Series BEC Available 27 Mhz Channels 1 thin 6 COX HOBBIES INC 350 West Rincon St Couna CA 91720 1991 COX HOBBIES INC copies get free 20% discount New Magazine Silent Flight really excellent new publication Its first English language full-size magazine devoted Soaring Electrics published England Argus Specialist Publications large publisher put out Radio Control Models & Electronics Radio Modeler several other model magazines first issue Silent Flight dated Autumn 1991 will come out four times year beauty Silent Flight has in-depth coverage types RC Soaring Electric gliders Scanning Continued page 131 - 60 Engino Sizo Epoxy Fiberglass Fuselage Kit -Sopor Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt Hirobo GMP & Schluler Kit includes Bodys Clear Canopy Landing Flesable Tail Drive Unit WoodIDV Hardware Manual Blueprint some oLE IIIJ ui models also include Pilolstation Macbin Gun Rocket Radar Dome & Shocks 521 Sinclair Frontage Rd Milpitas CA 95035 AH-1S TOW COBRA 36995 AH-64 APACHE 38995 UH-1B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 Ph 408-942-9525 FAX 408-942-9524 February 1992 127 RC Soaring/Blakeslee Continued page 106 WORLD CLASS R/C HELICOPTERS & ACCESSORIES IMPORT & EXPORT Subscriptions can ordered right RC Soaring/Blakesleein USA Wise Owl Worldwide Continued page 127Publications 4314 West 238th Street Torrance CA 90505 price $2400 year includes free binder $4800 two years includes binder extra free copy cost per copy high account shipping costs Im sure youll like down contents first issue note columns Slope soaring Vintage gliders F3F Slope Racing Power Scale Slope soaring F3J & Thermal soaring Electrics F3B New Products World News articles Thermic Prowler Open class soarer Czechoslovakia Norman Deans magnificent ASK 18 Cliff Charlesworth plans extensive report experimental German 5B13 full-scale flying wing short lot fine reading Soaring enthusiasts Visibility Aircraft Color Schemes Wayne Angevine Boulder Colorado Visibility important criterion choice color scheme sailplane After cant see cant fly Unlike other modelers fly far away high up good color scheme can make difference between successful flight lost airplane sometimes see tables colors ranked least visible other such discussions magazines newsletters tables always rank light colors visible dark colors least Most us know observation thats really way works gliders reading book connection work finally gave reasoning problem book called Probing Atmospheric Boundary Layer published American Meteorological Society chapters Visibility Measurement MK 231 OR PFM 3200 Alooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA MATh1st PLACE WINNER 1985 NA TB EXPERT PORSCHE FI7TED MOONEY RADIO 4-6 CHANNEL ENGINE 901082 CYCLE 120-4 CYCLE SPAN 88 AREA 990 SO IN WEIGHT 12-15 lbs Information send SASE Plene end Instructione $30 S&H February 1992 131 -loergiass Liowlings WinOsrilelO lip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full Instructions Scale Spinner WAYNE SIEWERT 2740 31St Ave MPLS MN 55406 USA612-722-7564 Just Time Christmas ALL NEW FINISHING FRIEND SYSTEM 12 Hnislung Fnend YOU Guaranteed help build FASTER BETIIR have lots MORE PUN 3rd hand vice FF9 securely holds model out away wo*bench Los ANY angle hands FREE Sanding ceting painting EASY because model nottouched outside surtace OUTSTANDING QUAL3TYcomes UFEIlME GUARANTEE onoa ouas TODAYI Join fan satisfied customers say TQWNOP0*0FF YC4J LNBWP UT 5 $H 1311 Ernst 161st St ngfigIj ff4 44 3174964043 MC Send BABE fsw Omchww VISA Techniques discusses definitions limits visibility environment very similar ie ability distinguish object some distance through air daylight article bit mathematical quite bit longer have space will summarize relevant material visibility plane depends apparent contrast between its background background bright sky have airplane particular color will present some contrast its background its close up As path through air between pilot plane gets distant light sun scattered air toward pilot making plane appear brighter thus --- -I /11 I7 tAH 2O Ya didnt AI5 J chance see quarter-scale Radio Control plane land around did ya pal wwi AERO 1900-1919 SKYWAYS 1920-1940 Far restorer builder & serious modeller early aircraft information current projects news museums airshows technical drawings data photographs scale modelling material news current publications historical research workshop notes intormation painlicolor aeroplanes engines parts sale wants disposals 1 year subscription $25Overseas $30Sample issues $4 Published WORLD WAR 1 2epona6 INC 15 Crescent Road Poughkeepsie NY 12601 USA 914 473-3679 PRODUCTS Complete Line Exhaust Systems TunedMuffled Tuned PiDes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsupaased WarkmanshiD 8 PerformanCe 132 Model Aviation presenting less contrast conclusion maximum visibility achieved black aitplane lighter color shorter distance over plane can distinguished sky So discussions visibility come opposite conclusion suspect tables drawn up different environmentthat land vehicle against ground environment youre painting ambulance fire truck course thats what want times black airplane may ideal example youre flying against dark cloud something lighter might good Most pilots ii 1p & SEND ~Cq9 FORRULES~~ AND PRE-ENTRY INFO SUN VALLEY FLYERS- c/c DAN BOTT PO BOX 1167 CAREFREE AZ 85371 Bus 800-7274888 Home 602-438-9210 iT AMA SANCTION #20043 CAVE BUTTES FIELD PHOENIX AZ 1332 AUZOfA JIT CZZCTACULAII FEBRUARY 22 & 23 concerned about visibility make planes least half black red dark blue bottom least white light panel contrast dark clouds considerations found article cited arent ones need taken account Obviously small plane becomes invisible shorter distance large willnot because its color because eye cant resolve small objects So its important break up color scheme small pieces prefer make major panel bottom wing color time visibility critical youre low flying toward yourself trying desperately make back landing circle can see point leading edge wing top bottom leading edge different colors have lost half apparent cross section recommend making top leading edge same color bottom least another dark color Slope soarers have worry about visibility against ground may want ignore above E RC Giants/de Vries Continued page 49 have appearing magazines work very well However carriers weve seen limited transport single model few include provisions hauling fuselage wing fixtures arent included design friends Jennings Products PO Box 1121 Hendersonville TN 37033-1 121 have come up neat answer model transport storage problem Model Aircraft Carrier & Storage Rack modular wooden components accommodates three four complete models wings storage home also hold trip club field looks like good hangar rash preventer Have Happy New Year E responding advertIsers mentIon thBt read Bbout Model Aviation FULL BODY PILOT KIT contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble tinish Some simple sewing required Fully positionable tool Price #206-/ scale995 #205-A scale1095 #2O41/ scale1195 #203-V3 scale1795 DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust * Some simple sewing required See Dealer add Dollar direct order handling February 1992 133 yrcFrNo IOU PLANE VIDEO Presents AEROB ATICS AND GROUND SCHOOL 105 minutes AERODYNAMICS AND STALL THEORY plus HOW TO DO control inputal Proper takeoils Loops rolls SpinsSnap rolls Proper landings crosswind techniques $1995 plus $3005/H lforeign-$600 5/NI BUILDING IT RIGHT THE FIRST TIME 22 hour Videotapes Wing constrsction Radio Installation Fuselage conat ruction Engine set up RadioinstallationPushrods Fuel syslemscovering wilh film Propsand spinnersAlignmentBalancing shearwebbingPLUS MUCH MORE $3495 plus $400 S/H lforeign-$8OO S/HI Plane Video RO Box 23128available VISAClive IA 50325 IOWA residenis add 4% sales las 800383-8251TouFREE - OR 515-223-0597 BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Price #lOS/s scale NEW 695 #106-% scale #l05-/s scale. #lO4-/u scale. f103-/u scale ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7O/ las Send check money order coos OK Send $100 catalog
Edition: Model Aviation - 1992/02
Page Numbers: 46, 47, 101, 102, 103, 106, 127, 131, 132, 133
LOTS OF VARIED interesting news pass month Lets start Robin Lehmans report scale flying Switzerland Soaring enthusiasts love seeing big scale gliders Europe seem build bigger fly actively Robin Big Apple dweller will have extensive article upcoming Model Aviation preview group enthusiasts meet twice year Switzerland call themselves Interessengemeinschaft Grossegler interested large gliders just happened Switzerland IGG get-togethers airport Belp just south Bern spent two solid days airtowing gliders None less 375 meters wing span ranged size upwards one-third scale beyond sailplanes scale immaculate some seventy-odd gliders flew plus ten tow planes mostly scale quarter-sized Piper Cub one-third Sukoi several quarter-sized larger Caps two Wilgas non-scale tug Quadra 100 three lines gliders ready towed times two days literally hundreds flights Quite eventI plan go back Robin may remember Robin article air towing June 1989 Model Aviation Robin does flying Long Island probably has biggest fleet big scale ships country Denver also small active group air towers includes Herb Smith Ray Marvin Stew Bergner Vince Lopez son Eric Denver group unique tow tail tow planes identical fullscale maybe because Herb Ray Stew also full-scale pilots 46 Model Aviation E3 Soaring Byron Blakeslee 3134 N WInnebago Dr Sedalla CO 80135 Grosseglers GIant scaic meeting Switzerland big scale gliders waiting airtowed quite meet Giant Mlnimoa Able Buhlmann right Wing span 68 meters 22 feet weight 24 kIlos 53 pounds ship took 1000 hours build photo above Robin Lehman New Model 20 winch high-start retriever left VMC Flight Photo shows guide arm launch position Line comes off end spool through hole top arm low Model 20 wIth guide arm re trIeve position Arm oscillates level-wind line spool Left foot pedal swings arm right pedal actuates retrieve motor Chuck Lonre snows tancy naw wing graphics bottom Magics wings Wow Chuck tells about plane columntruly fascinating reading 1/16-INCH36 483/16-INCH36 48 1/16//116063/161/3/16 1418 1116 o 3/32073/16 1/41520 1/161/1/809 123/16/13/61722 1/161/3/1610143/1601221 27 1/161/1411163/16/13/43041 1/161/38 14 18l/4-INCH3846 1/161/1/21721 1/161/3/422301/41/ 1/41722 1/41/3/81927 3/32-INCH36461/41/1/22231 3/321/33209121/41/3/43445 3/321/ 1/810145/16-INCH3646 3/321/3/161116 3/321/1/414175/161/5/1623 29 3/321/3/615205/161/3/82532 5/161/1/23039 3/321/1/21722 3/321/ 3/425 335/16 /1 3/442 56 3/6-INCH36 46 1/8-INCH 36 46 ___________________ 3/8 1/3/62940 1/81/1/809123/61/1/23344 1/81/31612163/81/3/44764 1/81/1/41418 1/61/3/817221/2-INCH3648 1/81/1/218261/21/1/24052 1/81/3/426351/21/3/45675 Double Balsa Wood Prices Spraceend COMPOSITE MATERIALKIflING SERVICE Sheets ks Rods TubesPeanut 1/3 Scale Carbon FiberKevlar S-GlossRohacell Foam Cutting Die Cutting Machine Sanded Parts LII LTWUUU 1/6012012 82 1/81/121/24164 1/81/121/48328 TAPERED TRAILING 600636 48 1/80 1/22432 3/16e3/43142 1/4014258 5/16o 1-1/44765 3/81/1-1/25677 1/21/283 3/41/3159 TRIANGULAR CUT BALSA 1/40 1/4/13627 3/8 o 3/8 0 3631 1/201/203640 3/4 1/ 34 r 3650 1o1e3660 BALSA PLANKS 1e3o36246 104036324 2021/36246 21/31/36352 2041/36486 3o3e36924 1/ 0 00728 Normal RC practice connect tow line close center gravity CG tug usually wing trailing edge high winger glider cannot throw tug out control flying too high too low However Denver guys have no problems towing tail Herb has beautifully detailed third-scale Super Cub pull thirdscale ASW 20 says secret fly tug smoothly coordinated turns tell glider pilot tug going can maintain position right behind VMC Flights Model 20 Retrieval System Ernie Barter VMC Flight sent video description partner Dick Bensons new retriever watching Model 20 retrieve both high-starts winch lines video impression well thought out engineered machine unit looks like little winch arm off side arm actually guide leads line off end spool during launch glider releases operator steps foot lever back unit swings arm around front spool step another lever turns spool motor same time arm oscillates back forth level-wind line An odd looking feature system little propeller attached retrieval line about 3 feet ahead tow ring Its purpose spin twist out line works whos argue recently end October talked Ernie about trying Model 20 obvious Ernie very excited about retriever said hed love lend first production batch 100 units sitting shop awaiting delivery motors motors should arrive December couple issues should have first-hand story tell meantime heres what Ernie says about Model 20 VMC Flight have developed retriever efficient fast reliable handles both high-start winch launch systems concept new respect line handling joy use retriever standup foot-operated hands off self-contained system Gone February 1992 47 1-INCH36 463-INCH36 461/640121/12195 1/81/6012107 1/160129391/321/343571/641/121/24389 1/81/121/12213 1/8o12o24425 3/321/132431/161/346821/640121/488011/81/12048850 1/81/135473/321/356751/64 0 48 e 483204 3/160 139521/81/364861/321/61/12783/160601279 3/16o3771023/161/121/12156 1/41/144611/403981201/321/121/121563/161/12024314 3/81/157775/161/31101431/321/121/24312 3/161/121/48626 1/20 I70943/8031281711/321/121/48625 1/4061/1279 2-INCH36481/21/3161 2141/161/601278 1/41/121/12156 1/321/232434-INCH36481/16 1/120121861/40121/24314 1/161/239511/320470931/161/12024312 1/41/12048626 3/321/244581/161/478 1081/161/12048625 3/81/12012193 1/81/24964 3/320488 1173/81/121/24385 3/161/258771/81/41021303/321/61/12973/8012048770 3/181/41221623/321/121/12194 1/41/26790141/41402073/80 120 12218 3/81/2821103/81/41952903/321/120243873/80 121/24433 1/21/21211811/21/42343483/321/120487743/81/121/48865 NEW PRODUCTS tND SERVICES Continued page 101 F V1Quiet Flight Sourcebook Sailpianes Electric flight excellent new where-to-buy reference book Don Edberg Anyone Interested silent flight should see struts popping out dont want poking through top wing Landing gear shock struts made telescoping brass tubing described kits directions landing gear fairings attached fuselage again per kit attachment gear legs made %2 nylon landing gear clamps end trimmed off method looks much less obvious rubber bands suggested kit Cubs simple foot step fashioned /16 music wire glued two holes drilled fuselage after covering back-up block glued inside fuselage additional gluing area support step Cub uses Enya 60 four-stroke power am firm believer high quality fuels ability ward off perceived problems four-stroke engines can wonderful aid audio side scale modelings realism just dont abuse use castor oil 12h% nitro dont tweak get last two rpm need additional power badly should have used two-stroke installed larger four-stroke built model didnt lend itself well four-strokes throaty sound would like hear few suggestions low EDF Emotional Debt Factor fun-type scale models youd like see covered series Goldbergs J-3 Anniversary Cub has very well received will continue present models believe will interest RC Scale columns readers Thats friends let know what youd like see next joint building project will Dynaflites Fun-Scale TM P-S 1 Mustang Next Cub pony probably popular aircraft time Mark Smiths Dynaflite design great airplane making everyday builder look like pronot bench air Did know term Fun Scale actually registered trademark Dynaflites Well thats reasons choosing Mustang over other P-S available feel entire fun-scale modeling fraternity owes Dynaflite small debt gratitude recognizing needs everyday modeler like scale airplanes yet still dont feel compelled build high commitment models Mark Smith has designed series expressly modelers Dynaflite has seven different kits available Fun-Scale TM series 40-size pony unquestionably cover telephone call Bob Bankas Scale Model Research see Model Aviation s advertising directory ad address telephone number got great 8 /2 x 11 three-view beautiful set photos PAUL PAUL color scheme lends itself very well film Tell Control Horn Go Wont Get Bent Out Shape airplane enthusiast know has same problems control horns flex bend break-what else new Introducing Sullivan 555 toughest control horn ever made Craftecfwith tempered steel instead plastic nickelplated wear resistance Sullivan Control Horn 555 built exacting specifications eliminate flex flutter Better still comes complete glass-filled nylon bushing prevent metal-to-metal contact radio interference sized fit either devises Sullivans New Ball Joint System easy off-axis movement lilt Sullivan 555 Finally control horn p PRODUCTS thats made right stuff PD Box 5166 Baiflmore MD 21224 Getting Better Ideas Off Ground covering jobs will make perfect subject useful instructionals several other areas Scale Model Researchs photo packs available fifty-seven different Mustangs Bob has excellent three-views compliment five Now thats onestop documentation shopping scale modeling friends round up Mustang kits order photos three-views check supplies glue fresh razor blades get ready visit World War TwoFun-Scale style says have pro fly Mustang Dynaflite has tamed pony have ride Til next time build straight fly safely RC Soaring/Blakeslee Continued page 47 tangled twisted lines past Launch retrieval takes about minute ring ready next launch Flying narrow fields obstructions cross-wind conditions now possible because speed Model 20 pulls line back ground about 25 mph launch retrieval line isnt allowed time drift away As reliability system has ultimate test Mark Triebes has repeatedly launched Mueller Comet 89T Pedal metal awesome wing-cracking zooms Model 20 February 1992 101 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIA PITCH THP 1266778 14677/u8 1567 16678 PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 6456BIul 9456677 1045667 106W8W 106EW 11467T/778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 pjorld S beSt 5e~flg spark grttlOfl sstem1 Chosen Byrmi Odicels ThG Mfg mul AM DJrcraft Saqqdy its outstanding rehal*ty Complete single cyl nder System nclud ng~fl throttlecoupled spark advance kt spark battery pack charger 900 sh elded____ spark plug leadMuch lunger engine kte Easy hand starts-no kickback 1ANNI-12800 RPM relable nile 0% power en fern strokers om histahtion aveldile Lower priced fuse no nitro needed Shielded qik plum bed 90 plug cover Fornyenpiesfl&qi2&4stroke sbtgleidtwhicyhders oIgaoductsavaiable Soark eels seerk ehus shielded ohm bed b tiab hits inviable isnt bothered Thats say retriever line isnt singing leaves spool convinced other tying retriever line cannon ball severe test cant found Model 20 has proven itself over 150 continuous rapid-fire retrievalsall hitch line untwisting device patent applied custom ball bearing main motor wiper action guide low power consumption motors light weight portability ease operation make Model 20 real asset glider flying weekend pilot sets out fly can now spend time flying bad air days merely allow landing practice test ability walk miles pulling parachute Model 20 priced $31900 comes complete instructional video retrieval line untwisting device battery hook-up leads Power requirement 12-volt auto deep-cycle type battery Direct connection winch battery also practical back Model 20 no questions asked unconditional 30-day money back guarantee addition except retrieval line guaranteed free defects 90 days toll free order number 1-800-225-0364 7 am 5 pm Pacific time Any questions can phoned 408/973-3333 Ask Ernie Address VMC Flight 18971 Fembrook Ct Saratoga CA 95070 Magic Lessons Chuck Lohre Chuck newsletter editor Cincinnati Soaring Society sent very interesting report experiences new Magic Actually its too long fit single column Ill print half month half next month Over Chuck day last November received RIC Soaring Digest Model Aviation magazines both information about Magic 138-in unlimited soaring glider Frank Weston knew exactly hi-tech construction performance sailplane looking never built built-up wing used iron-on coverings again would too soon decided order Spectra epoxy-bagged version $500 vs $300 because didnt want invest SAVE YOUR FIELD SNUF-LER muffler low cost easy install lightweight sound reducing muffler no performance penalty answer AMA muffler rule suggestIons saving flying fields Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possible 300-500 RPM increase improves engine idle s better fuel economy Easily attached 25-108 stock muff bra Heat corrosion resistant Black E cost finish No special adapters requIred Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 255 STAMP accepted Add $2S0for UPS $250 COD sod 6% oslestsoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG 102 Model Aviation THE LEADER IN COM PETITION PROPELLERS NEW NEW hIj C PYLON RACING SERIES 500 DIAPITCH 7SN 5N 8I67/z78 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE M MAnAAW SN U FFLERTM MUFFLER Patented great deal time money skills equipment bag own Id see what should expect first construction features really sold all-Kevlar male molded fuselage epoxy-bonded Spectra directly over foam wings servos wings T-tail slip-on nose cone access performance specsa reported 291 L/D lift drag ratiosounded great too type construction wanted learn build future models needed new radio too chose Airtronics Vision bells whistles far popular Nationals hoped radio could go grave Finally big day arrived UPS delivered kit immediately worked free hour get built May contest club scheduled Construction went well Franks instructions great also readily available answer questions I made first hand-launch test glides 630 am Thursday before contest just glided glided elated hadnt felt high since learning soar full-scale spending afternoon up clouds give Frank credit Magics off board flight followed instructions precisely alignment balance etc evening launched Magic again high start time Again awesome soon realized lot learn about programming radio trimming plane flying Klingberg Wing Gentle Lady wasnt afraid size plane because also have 11-footspan Astro Flight ASW 17 prepared fast flight wide turns landing set-up skills Klingberg Wing prepared aileron use test bed Vision contest day Magic flew well certainly achieved above average air times still learn land Just shows cant buy trophies After contest flew fun flight got pretty high wind picked upsomeand working some ridge lift off tree line thermal developed Since getting far downwind started heading back Now earlier Magic shown exceptional penetration Id won some bets regarding getting back landing site calm conditions glider guiders worst fearsink trouble hadnt yet programmed plane/radio penetrate flip switch figured glide ratio good enough just make Magic finally made over notch tree line few feet spare slowed too much spun hitting tree 30 feet up dropping out sight amazed got up saw no visual breaks minimal damage ego hurt FThaJ]y An Engine Mount stern Wont Shake Rattle Roll fly model planes dont have tell theres whole lotta shakin goin now theres something cando about Sullivan Flex Mount System Its engine mounting sys tem has specially designed rubber isolators absorb engine vibration reduce noise limit wear tear modeL thats Flex-Mount comes aluminum adaptor plate makes easy mount 40 60 90 two-cycle engines firewall strap mount beam mounting four-cycle engines So dont jitterbug IJk dealer Sullivan Flex-Mount engine mount ing system thought rock roll would never die P0 Box 5166 Baltimore MD 21224 got big lift came over hill plane piece heard big cheer took few minutes evening repair damage Magic superior plane performs letter Previously lesser performance planes just couldnt tell insofar trimming quirks go just exactly what going will take longer get completely dialed glider especially learning fly rudder opposite aileron thermals would full-scale outside wing always produces drag because traveling faster producing lift plane will slip fuselage will rotate away line turn soon let off rudder Also because extra lift plane will continue increase angle bank thus requiring slight amount opposite aileron programming about 5% flaps coupled elevator thermal turns youll get about four0 flaps correct amount slower flying speed Also youll get minus 30 little down elevator June flew sanctioned contests Dayton put DARTS Club launches higher others zooming good head wind CG right towhook 40% per plans Launch Continued page 106 February 1992 103 Getting Better Ideas Off Ground Serious Horsepower1 06 ST VS Rossi & Webra Parts Service Custom Engines Accessories Qave Shadel Performance Specialties Send $1 00for fully illustrated catalog Available VS Lang & Short Stroke 05 Long Stroke 05 6IFSR 0S4OVRP/VF 05 91 VROF STX-40 Rossi 40 coming soon information Call 702 265-7523 Hours 10 am 5 pm Monday Thursday PO Box 3146 nerville NV 89410 RC Soaring/Blakeslee Continued page 103 settings 150 flaps 100 up elevator too nervous flying smoothly flying full-scale takes half hour settle down fly smoothly Again landings poor Bob McGowans piece Soaring column July issue MA right Keep nose down dont take flaps off quickly plane will stall hardest part planning just right amount flaps use seemed needed avoid making long straight-in approach because depth perception poor orientation kept landing short now come past myself downwind height dependent wind 60 120 feet establish needed rate decent flaps needed make big 1800 turn wind try gently adjust flaps diameter turn needed depending wind speed decent rate set up short final about 150 feet applying little less flaps can get Magic come spot consistently Flying other planes drag can drop nose speed up burn off energy cant Magic Again its like full-scale example landing draggy Schweizer 233 trainer L/D 221 Clark Y airfoil guppy fuselage wing struts can side slip just approach fast Flying glass slipper like Grob LID 321 wont able land doing plane too slippery side slip very little increase drag increased speed have approach lowest speed possible 1 1A times stall speed plus half wind normal spoilers effective Flying Magic different flaps flew full-scale Blanik once used flaps thermaling during landing Its operating procedures use flaps landing Top bottom dive brakes used landing control Blanik Magics flaps act drag generators flying fast slowsort contradiction during landing Magic has made learning thermaling techniques lot fun few occasions Ive saved flight well below launch heightthats really fun part sport once saved 600 feet Schweizer 1-26 L/D 231 1 remember precision concentration needed maintain bank angle precisely speed exactly 20 45 mph stall occurs 28 mph level 40 mph 200 continually re centering lift thermal think triggered corn silo lifted back up 3500 feet day during practice Magic pretty windy due strong convection going gotten couple good flights hadnt made landings Im little shy about keeping plane good heading landing speed little hot After its lot money Nationals two weeks away Ive since learned full 900 flaps cures too hot landing speed problem third launch got very strong thermal going up fast Suddenly plane got thrown out flipped over its side went steep dive panicked pulled full up elevator right wing panel bent up 300 end 24-inch-long spruce spar applying flaps wing maintained its shape made gentle landing Frank shipped new set wings 42in spar next day work cut out getting ready Nationals reflection about incident realized should have used flaps slow dive first rather trying pull out high speed Chucks Magic Lessons will continued next month F YI Quiet flight brand new reference book giving information virtually everything youre likely need hobby compiled being published Don Edberg RCMs Soaring Continued page 127 lU GAIN CONTROL Losing control can nightmare wrong response given command can take its toll model nerves walletl Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 Futaba ______ ne 5524 N Palafox Pensacola FL 32503 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line Orders Only Pleasel 106 Model Aviation z CESSNA BOBC RT 1-50 UC-78 editor two-time F3B Team pilot labor love Don because its obvious has put lot work book will quiet flight bible contains gold information us like buy kinds hobby stuff Don describes book intended make task finding information aspects RC soaring electric flight much easier includes wealth information topics such RC systems sailplane electric kits construction finishing materials launching apparatus instructional materials other categories way F YI Quiet Flight reference available lists larger manufacturers right along small cottage industries know just important todays modelers fact information over 350 manufacturers listed over 10000 lines data contained 312 pages What unique about book items listed categorynot brand name example find out about releasable towhooks merely looks index under towhooks rather searching through manufacturers New CDX FAILSAFE R/C System Single Channel R/C Revisited 1 Looking some inexpensive N/C Fun 2 Interested Nostalgic Oldtimer N/C 3 1/ZA Texaco scale Schoolyard scale 4 Considering electric indoor RIC FILSAFE~0 CO~L 5CSTEM System shown No 8400 Series BEC August 1991 issue Flying Models Bob Aherle says decided try indoor flying. what lot potential fun winter months just rainy day Cal Orr April 1991 issue R/C Modeler wrote transmitter 27Mhz tested AMA Silver Sticker. will interfere 72 Mhz modelers. has excellent range seems operate well large metropolitan area. new Cox FAILSAFE H/C system digital non-proportional single channel radio trimmable flight No escapements worry about no need tie up big rig small low cost model receiver/servo less batteries weighs ONLY 19 ounces Thousands have sold flown Electric Flyboy Thrbo Centurion Are ready new single channel experience fun See new Cox FAILSAFE R/C System favorite hobby retailer unavailable call Cox Toll Free 800/451-0339 listing wont find sort information other commercial directories fact F YI has sources entries pages covering just Sailpianes Electrics either well-known directories covering aircraft includes very useful items found others F Y Quiet Flight full-size softbound book retailing $1995 including shipping handling CA residents add 775% sales tax Order Dynamic Modeling 4922 Rochelle Avenue Irvine CA 92714-2941 Phone 1800-SEND FYI orders 714/5521812 information 724172067 CompuServe Clubs groups buy four Cot No 8400 Series BEC Cat No 8500 Series BEC Available 27 Mhz Channels 1 thin 6 COX HOBBIES INC 350 West Rincon St Couna CA 91720 1991 COX HOBBIES INC copies get free 20% discount New Magazine Silent Flight really excellent new publication Its first English language full-size magazine devoted Soaring Electrics published England Argus Specialist Publications large publisher put out Radio Control Models & Electronics Radio Modeler several other model magazines first issue Silent Flight dated Autumn 1991 will come out four times year beauty Silent Flight has in-depth coverage types RC Soaring Electric gliders Scanning Continued page 131 - 60 Engino Sizo Epoxy Fiberglass Fuselage Kit -Sopor Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt Hirobo GMP & Schluler Kit includes Bodys Clear Canopy Landing Flesable Tail Drive Unit WoodIDV Hardware Manual Blueprint some oLE IIIJ ui models also include Pilolstation Macbin Gun Rocket Radar Dome & Shocks 521 Sinclair Frontage Rd Milpitas CA 95035 AH-1S TOW COBRA 36995 AH-64 APACHE 38995 UH-1B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 Ph 408-942-9525 FAX 408-942-9524 February 1992 127 RC Soaring/Blakeslee Continued page 106 WORLD CLASS R/C HELICOPTERS & ACCESSORIES IMPORT & EXPORT Subscriptions can ordered right RC Soaring/Blakesleein USA Wise Owl Worldwide Continued page 127Publications 4314 West 238th Street Torrance CA 90505 price $2400 year includes free binder $4800 two years includes binder extra free copy cost per copy high account shipping costs Im sure youll like down contents first issue note columns Slope soaring Vintage gliders F3F Slope Racing Power Scale Slope soaring F3J & Thermal soaring Electrics F3B New Products World News articles Thermic Prowler Open class soarer Czechoslovakia Norman Deans magnificent ASK 18 Cliff Charlesworth plans extensive report experimental German 5B13 full-scale flying wing short lot fine reading Soaring enthusiasts Visibility Aircraft Color Schemes Wayne Angevine Boulder Colorado Visibility important criterion choice color scheme sailplane After cant see cant fly Unlike other modelers fly far away high up good color scheme can make difference between successful flight lost airplane sometimes see tables colors ranked least visible other such discussions magazines newsletters tables always rank light colors visible dark colors least Most us know observation thats really way works gliders reading book connection work finally gave reasoning problem book called Probing Atmospheric Boundary Layer published American Meteorological Society chapters Visibility Measurement MK 231 OR PFM 3200 Alooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA MATh1st PLACE WINNER 1985 NA TB EXPERT PORSCHE FI7TED MOONEY RADIO 4-6 CHANNEL ENGINE 901082 CYCLE 120-4 CYCLE SPAN 88 AREA 990 SO IN WEIGHT 12-15 lbs Information send SASE Plene end Instructione $30 S&H February 1992 131 -loergiass Liowlings WinOsrilelO lip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full Instructions Scale Spinner WAYNE SIEWERT 2740 31St Ave MPLS MN 55406 USA612-722-7564 Just Time Christmas ALL NEW FINISHING FRIEND SYSTEM 12 Hnislung Fnend YOU Guaranteed help build FASTER BETIIR have lots MORE PUN 3rd hand vice FF9 securely holds model out away wo*bench Los ANY angle hands FREE Sanding ceting painting EASY because model nottouched outside surtace OUTSTANDING QUAL3TYcomes UFEIlME GUARANTEE onoa ouas TODAYI Join fan satisfied customers say TQWNOP0*0FF YC4J LNBWP UT 5 $H 1311 Ernst 161st St ngfigIj ff4 44 3174964043 MC Send BABE fsw Omchww VISA Techniques discusses definitions limits visibility environment very similar ie ability distinguish object some distance through air daylight article bit mathematical quite bit longer have space will summarize relevant material visibility plane depends apparent contrast between its background background bright sky have airplane particular color will present some contrast its background its close up As path through air between pilot plane gets distant light sun scattered air toward pilot making plane appear brighter thus --- -I /11 I7 tAH 2O Ya didnt AI5 J chance see quarter-scale Radio Control plane land around did ya pal wwi AERO 1900-1919 SKYWAYS 1920-1940 Far restorer builder & serious modeller early aircraft information current projects news museums airshows technical drawings data photographs scale modelling material news current publications historical research workshop notes intormation painlicolor aeroplanes engines parts sale wants disposals 1 year subscription $25Overseas $30Sample issues $4 Published WORLD WAR 1 2epona6 INC 15 Crescent Road Poughkeepsie NY 12601 USA 914 473-3679 PRODUCTS Complete Line Exhaust Systems TunedMuffled Tuned PiDes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsupaased WarkmanshiD 8 PerformanCe 132 Model Aviation presenting less contrast conclusion maximum visibility achieved black aitplane lighter color shorter distance over plane can distinguished sky So discussions visibility come opposite conclusion suspect tables drawn up different environmentthat land vehicle against ground environment youre painting ambulance fire truck course thats what want times black airplane may ideal example youre flying against dark cloud something lighter might good Most pilots ii 1p & SEND ~Cq9 FORRULES~~ AND PRE-ENTRY INFO SUN VALLEY FLYERS- c/c DAN BOTT PO BOX 1167 CAREFREE AZ 85371 Bus 800-7274888 Home 602-438-9210 iT AMA SANCTION #20043 CAVE BUTTES FIELD PHOENIX AZ 1332 AUZOfA JIT CZZCTACULAII FEBRUARY 22 & 23 concerned about visibility make planes least half black red dark blue bottom least white light panel contrast dark clouds considerations found article cited arent ones need taken account Obviously small plane becomes invisible shorter distance large willnot because its color because eye cant resolve small objects So its important break up color scheme small pieces prefer make major panel bottom wing color time visibility critical youre low flying toward yourself trying desperately make back landing circle can see point leading edge wing top bottom leading edge different colors have lost half apparent cross section recommend making top leading edge same color bottom least another dark color Slope soarers have worry about visibility against ground may want ignore above E RC Giants/de Vries Continued page 49 have appearing magazines work very well However carriers weve seen limited transport single model few include provisions hauling fuselage wing fixtures arent included design friends Jennings Products PO Box 1121 Hendersonville TN 37033-1 121 have come up neat answer model transport storage problem Model Aircraft Carrier & Storage Rack modular wooden components accommodates three four complete models wings storage home also hold trip club field looks like good hangar rash preventer Have Happy New Year E responding advertIsers mentIon thBt read Bbout Model Aviation FULL BODY PILOT KIT contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble tinish Some simple sewing required Fully positionable tool Price #206-/ scale995 #205-A scale1095 #2O41/ scale1195 #203-V3 scale1795 DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust * Some simple sewing required See Dealer add Dollar direct order handling February 1992 133 yrcFrNo IOU PLANE VIDEO Presents AEROB ATICS AND GROUND SCHOOL 105 minutes AERODYNAMICS AND STALL THEORY plus HOW TO DO control inputal Proper takeoils Loops rolls SpinsSnap rolls Proper landings crosswind techniques $1995 plus $3005/H lforeign-$600 5/NI BUILDING IT RIGHT THE FIRST TIME 22 hour Videotapes Wing constrsction Radio Installation Fuselage conat ruction Engine set up RadioinstallationPushrods Fuel syslemscovering wilh film Propsand spinnersAlignmentBalancing shearwebbingPLUS MUCH MORE $3495 plus $400 S/H lforeign-$8OO S/HI Plane Video RO Box 23128available VISAClive IA 50325 IOWA residenis add 4% sales las 800383-8251TouFREE - OR 515-223-0597 BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Price #lOS/s scale NEW 695 #106-% scale #l05-/s scale. #lO4-/u scale. f103-/u scale ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7O/ las Send check money order coos OK Send $100 catalog
Edition: Model Aviation - 1992/02
Page Numbers: 46, 47, 101, 102, 103, 106, 127, 131, 132, 133
LOTS OF VARIED interesting news pass month Lets start Robin Lehmans report scale flying Switzerland Soaring enthusiasts love seeing big scale gliders Europe seem build bigger fly actively Robin Big Apple dweller will have extensive article upcoming Model Aviation preview group enthusiasts meet twice year Switzerland call themselves Interessengemeinschaft Grossegler interested large gliders just happened Switzerland IGG get-togethers airport Belp just south Bern spent two solid days airtowing gliders None less 375 meters wing span ranged size upwards one-third scale beyond sailplanes scale immaculate some seventy-odd gliders flew plus ten tow planes mostly scale quarter-sized Piper Cub one-third Sukoi several quarter-sized larger Caps two Wilgas non-scale tug Quadra 100 three lines gliders ready towed times two days literally hundreds flights Quite eventI plan go back Robin may remember Robin article air towing June 1989 Model Aviation Robin does flying Long Island probably has biggest fleet big scale ships country Denver also small active group air towers includes Herb Smith Ray Marvin Stew Bergner Vince Lopez son Eric Denver group unique tow tail tow planes identical fullscale maybe because Herb Ray Stew also full-scale pilots 46 Model Aviation E3 Soaring Byron Blakeslee 3134 N WInnebago Dr Sedalla CO 80135 Grosseglers GIant scaic meeting Switzerland big scale gliders waiting airtowed quite meet Giant Mlnimoa Able Buhlmann right Wing span 68 meters 22 feet weight 24 kIlos 53 pounds ship took 1000 hours build photo above Robin Lehman New Model 20 winch high-start retriever left VMC Flight Photo shows guide arm launch position Line comes off end spool through hole top arm low Model 20 wIth guide arm re trIeve position Arm oscillates level-wind line spool Left foot pedal swings arm right pedal actuates retrieve motor Chuck Lonre snows tancy naw wing graphics bottom Magics wings Wow Chuck tells about plane columntruly fascinating reading 1/16-INCH36 483/16-INCH36 48 1/16//116063/161/3/16 1418 1116 o 3/32073/16 1/41520 1/161/1/809 123/16/13/61722 1/161/3/1610143/1601221 27 1/161/1411163/16/13/43041 1/161/38 14 18l/4-INCH3846 1/161/1/21721 1/161/3/422301/41/ 1/41722 1/41/3/81927 3/32-INCH36461/41/1/22231 3/321/33209121/41/3/43445 3/321/ 1/810145/16-INCH3646 3/321/3/161116 3/321/1/414175/161/5/1623 29 3/321/3/615205/161/3/82532 5/161/1/23039 3/321/1/21722 3/321/ 3/425 335/16 /1 3/442 56 3/6-INCH36 46 1/8-INCH 36 46 ___________________ 3/8 1/3/62940 1/81/1/809123/61/1/23344 1/81/31612163/81/3/44764 1/81/1/41418 1/61/3/817221/2-INCH3648 1/81/1/218261/21/1/24052 1/81/3/426351/21/3/45675 Double Balsa Wood Prices Spraceend COMPOSITE MATERIALKIflING SERVICE Sheets ks Rods TubesPeanut 1/3 Scale Carbon FiberKevlar S-GlossRohacell Foam Cutting Die Cutting Machine Sanded Parts LII LTWUUU 1/6012012 82 1/81/121/24164 1/81/121/48328 TAPERED TRAILING 600636 48 1/80 1/22432 3/16e3/43142 1/4014258 5/16o 1-1/44765 3/81/1-1/25677 1/21/283 3/41/3159 TRIANGULAR CUT BALSA 1/40 1/4/13627 3/8 o 3/8 0 3631 1/201/203640 3/4 1/ 34 r 3650 1o1e3660 BALSA PLANKS 1e3o36246 104036324 2021/36246 21/31/36352 2041/36486 3o3e36924 1/ 0 00728 Normal RC practice connect tow line close center gravity CG tug usually wing trailing edge high winger glider cannot throw tug out control flying too high too low However Denver guys have no problems towing tail Herb has beautifully detailed third-scale Super Cub pull thirdscale ASW 20 says secret fly tug smoothly coordinated turns tell glider pilot tug going can maintain position right behind VMC Flights Model 20 Retrieval System Ernie Barter VMC Flight sent video description partner Dick Bensons new retriever watching Model 20 retrieve both high-starts winch lines video impression well thought out engineered machine unit looks like little winch arm off side arm actually guide leads line off end spool during launch glider releases operator steps foot lever back unit swings arm around front spool step another lever turns spool motor same time arm oscillates back forth level-wind line An odd looking feature system little propeller attached retrieval line about 3 feet ahead tow ring Its purpose spin twist out line works whos argue recently end October talked Ernie about trying Model 20 obvious Ernie very excited about retriever said hed love lend first production batch 100 units sitting shop awaiting delivery motors motors should arrive December couple issues should have first-hand story tell meantime heres what Ernie says about Model 20 VMC Flight have developed retriever efficient fast reliable handles both high-start winch launch systems concept new respect line handling joy use retriever standup foot-operated hands off self-contained system Gone February 1992 47 1-INCH36 463-INCH36 461/640121/12195 1/81/6012107 1/160129391/321/343571/641/121/24389 1/81/121/12213 1/8o12o24425 3/321/132431/161/346821/640121/488011/81/12048850 1/81/135473/321/356751/64 0 48 e 483204 3/160 139521/81/364861/321/61/12783/160601279 3/16o3771023/161/121/12156 1/41/144611/403981201/321/121/121563/161/12024314 3/81/157775/161/31101431/321/121/24312 3/161/121/48626 1/20 I70943/8031281711/321/121/48625 1/4061/1279 2-INCH36481/21/3161 2141/161/601278 1/41/121/12156 1/321/232434-INCH36481/16 1/120121861/40121/24314 1/161/239511/320470931/161/12024312 1/41/12048626 3/321/244581/161/478 1081/161/12048625 3/81/12012193 1/81/24964 3/320488 1173/81/121/24385 3/161/258771/81/41021303/321/61/12973/8012048770 3/181/41221623/321/121/12194 1/41/26790141/41402073/80 120 12218 3/81/2821103/81/41952903/321/120243873/80 121/24433 1/21/21211811/21/42343483/321/120487743/81/121/48865 NEW PRODUCTS tND SERVICES Continued page 101 F V1Quiet Flight Sourcebook Sailpianes Electric flight excellent new where-to-buy reference book Don Edberg Anyone Interested silent flight should see struts popping out dont want poking through top wing Landing gear shock struts made telescoping brass tubing described kits directions landing gear fairings attached fuselage again per kit attachment gear legs made %2 nylon landing gear clamps end trimmed off method looks much less obvious rubber bands suggested kit Cubs simple foot step fashioned /16 music wire glued two holes drilled fuselage after covering back-up block glued inside fuselage additional gluing area support step Cub uses Enya 60 four-stroke power am firm believer high quality fuels ability ward off perceived problems four-stroke engines can wonderful aid audio side scale modelings realism just dont abuse use castor oil 12h% nitro dont tweak get last two rpm need additional power badly should have used two-stroke installed larger four-stroke built model didnt lend itself well four-strokes throaty sound would like hear few suggestions low EDF Emotional Debt Factor fun-type scale models youd like see covered series Goldbergs J-3 Anniversary Cub has very well received will continue present models believe will interest RC Scale columns readers Thats friends let know what youd like see next joint building project will Dynaflites Fun-Scale TM P-S 1 Mustang Next Cub pony probably popular aircraft time Mark Smiths Dynaflite design great airplane making everyday builder look like pronot bench air Did know term Fun Scale actually registered trademark Dynaflites Well thats reasons choosing Mustang over other P-S available feel entire fun-scale modeling fraternity owes Dynaflite small debt gratitude recognizing needs everyday modeler like scale airplanes yet still dont feel compelled build high commitment models Mark Smith has designed series expressly modelers Dynaflite has seven different kits available Fun-Scale TM series 40-size pony unquestionably cover telephone call Bob Bankas Scale Model Research see Model Aviation s advertising directory ad address telephone number got great 8 /2 x 11 three-view beautiful set photos PAUL PAUL color scheme lends itself very well film Tell Control Horn Go Wont Get Bent Out Shape airplane enthusiast know has same problems control horns flex bend break-what else new Introducing Sullivan 555 toughest control horn ever made Craftecfwith tempered steel instead plastic nickelplated wear resistance Sullivan Control Horn 555 built exacting specifications eliminate flex flutter Better still comes complete glass-filled nylon bushing prevent metal-to-metal contact radio interference sized fit either devises Sullivans New Ball Joint System easy off-axis movement lilt Sullivan 555 Finally control horn p PRODUCTS thats made right stuff PD Box 5166 Baiflmore MD 21224 Getting Better Ideas Off Ground covering jobs will make perfect subject useful instructionals several other areas Scale Model Researchs photo packs available fifty-seven different Mustangs Bob has excellent three-views compliment five Now thats onestop documentation shopping scale modeling friends round up Mustang kits order photos three-views check supplies glue fresh razor blades get ready visit World War TwoFun-Scale style says have pro fly Mustang Dynaflite has tamed pony have ride Til next time build straight fly safely RC Soaring/Blakeslee Continued page 47 tangled twisted lines past Launch retrieval takes about minute ring ready next launch Flying narrow fields obstructions cross-wind conditions now possible because speed Model 20 pulls line back ground about 25 mph launch retrieval line isnt allowed time drift away As reliability system has ultimate test Mark Triebes has repeatedly launched Mueller Comet 89T Pedal metal awesome wing-cracking zooms Model 20 February 1992 101 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIA PITCH THP 1266778 14677/u8 1567 16678 PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUELPROOFHIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 6456BIul 9456677 1045667 106W8W 106EW 11467T/778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 pjorld S beSt 5e~flg spark grttlOfl sstem1 Chosen Byrmi Odicels ThG Mfg mul AM DJrcraft Saqqdy its outstanding rehal*ty Complete single cyl nder System nclud ng~fl throttlecoupled spark advance kt spark battery pack charger 900 sh elded____ spark plug leadMuch lunger engine kte Easy hand starts-no kickback 1ANNI-12800 RPM relable nile 0% power en fern strokers om histahtion aveldile Lower priced fuse no nitro needed Shielded qik plum bed 90 plug cover Fornyenpiesfl&qi2&4stroke sbtgleidtwhicyhders oIgaoductsavaiable Soark eels seerk ehus shielded ohm bed b tiab hits inviable isnt bothered Thats say retriever line isnt singing leaves spool convinced other tying retriever line cannon ball severe test cant found Model 20 has proven itself over 150 continuous rapid-fire retrievalsall hitch line untwisting device patent applied custom ball bearing main motor wiper action guide low power consumption motors light weight portability ease operation make Model 20 real asset glider flying weekend pilot sets out fly can now spend time flying bad air days merely allow landing practice test ability walk miles pulling parachute Model 20 priced $31900 comes complete instructional video retrieval line untwisting device battery hook-up leads Power requirement 12-volt auto deep-cycle type battery Direct connection winch battery also practical back Model 20 no questions asked unconditional 30-day money back guarantee addition except retrieval line guaranteed free defects 90 days toll free order number 1-800-225-0364 7 am 5 pm Pacific time Any questions can phoned 408/973-3333 Ask Ernie Address VMC Flight 18971 Fembrook Ct Saratoga CA 95070 Magic Lessons Chuck Lohre Chuck newsletter editor Cincinnati Soaring Society sent very interesting report experiences new Magic Actually its too long fit single column Ill print half month half next month Over Chuck day last November received RIC Soaring Digest Model Aviation magazines both information about Magic 138-in unlimited soaring glider Frank Weston knew exactly hi-tech construction performance sailplane looking never built built-up wing used iron-on coverings again would too soon decided order Spectra epoxy-bagged version $500 vs $300 because didnt want invest SAVE YOUR FIELD SNUF-LER muffler low cost easy install lightweight sound reducing muffler no performance penalty answer AMA muffler rule suggestIons saving flying fields Meets AMA muffler rule suggestions 3 10 decibels quieter stock muffler No power loss possible 300-500 RPM increase improves engine idle s better fuel economy Easily attached 25-108 stock muff bra Heat corrosion resistant Black E cost finish No special adapters requIred Weighs 35 oza Fits ASP BRAT ENYA FOX HP IRVINE K & B OS MAX ROYAL YS SUPER TIGRE mufflers available hobby shop ORDER DIRECT immediate shipment Check MO Visa MC CODSEND 255 STAMP accepted Add $2S0for UPS $250 COD sod 6% oslestsoFOR ADDITIONAL INFO L Calif residentAND JTEC CATALOG 102 Model Aviation THE LEADER IN COM PETITION PROPELLERS NEW NEW hIj C PYLON RACING SERIES 500 DIAPITCH 7SN 5N 8I67/z78 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE M MAnAAW SN U FFLERTM MUFFLER Patented great deal time money skills equipment bag own Id see what should expect first construction features really sold all-Kevlar male molded fuselage epoxy-bonded Spectra directly over foam wings servos wings T-tail slip-on nose cone access performance specsa reported 291 L/D lift drag ratiosounded great too type construction wanted learn build future models needed new radio too chose Airtronics Vision bells whistles far popular Nationals hoped radio could go grave Finally big day arrived UPS delivered kit immediately worked free hour get built May contest club scheduled Construction went well Franks instructions great also readily available answer questions I made first hand-launch test glides 630 am Thursday before contest just glided glided elated hadnt felt high since learning soar full-scale spending afternoon up clouds give Frank credit Magics off board flight followed instructions precisely alignment balance etc evening launched Magic again high start time Again awesome soon realized lot learn about programming radio trimming plane flying Klingberg Wing Gentle Lady wasnt afraid size plane because also have 11-footspan Astro Flight ASW 17 prepared fast flight wide turns landing set-up skills Klingberg Wing prepared aileron use test bed Vision contest day Magic flew well certainly achieved above average air times still learn land Just shows cant buy trophies After contest flew fun flight got pretty high wind picked upsomeand working some ridge lift off tree line thermal developed Since getting far downwind started heading back Now earlier Magic shown exceptional penetration Id won some bets regarding getting back landing site calm conditions glider guiders worst fearsink trouble hadnt yet programmed plane/radio penetrate flip switch figured glide ratio good enough just make Magic finally made over notch tree line few feet spare slowed too much spun hitting tree 30 feet up dropping out sight amazed got up saw no visual breaks minimal damage ego hurt FThaJ]y An Engine Mount stern Wont Shake Rattle Roll fly model planes dont have tell theres whole lotta shakin goin now theres something cando about Sullivan Flex Mount System Its engine mounting sys tem has specially designed rubber isolators absorb engine vibration reduce noise limit wear tear modeL thats Flex-Mount comes aluminum adaptor plate makes easy mount 40 60 90 two-cycle engines firewall strap mount beam mounting four-cycle engines So dont jitterbug IJk dealer Sullivan Flex-Mount engine mount ing system thought rock roll would never die P0 Box 5166 Baltimore MD 21224 got big lift came over hill plane piece heard big cheer took few minutes evening repair damage Magic superior plane performs letter Previously lesser performance planes just couldnt tell insofar trimming quirks go just exactly what going will take longer get completely dialed glider especially learning fly rudder opposite aileron thermals would full-scale outside wing always produces drag because traveling faster producing lift plane will slip fuselage will rotate away line turn soon let off rudder Also because extra lift plane will continue increase angle bank thus requiring slight amount opposite aileron programming about 5% flaps coupled elevator thermal turns youll get about four0 flaps correct amount slower flying speed Also youll get minus 30 little down elevator June flew sanctioned contests Dayton put DARTS Club launches higher others zooming good head wind CG right towhook 40% per plans Launch Continued page 106 February 1992 103 Getting Better Ideas Off Ground Serious Horsepower1 06 ST VS Rossi & Webra Parts Service Custom Engines Accessories Qave Shadel Performance Specialties Send $1 00for fully illustrated catalog Available VS Lang & Short Stroke 05 Long Stroke 05 6IFSR 0S4OVRP/VF 05 91 VROF STX-40 Rossi 40 coming soon information Call 702 265-7523 Hours 10 am 5 pm Monday Thursday PO Box 3146 nerville NV 89410 RC Soaring/Blakeslee Continued page 103 settings 150 flaps 100 up elevator too nervous flying smoothly flying full-scale takes half hour settle down fly smoothly Again landings poor Bob McGowans piece Soaring column July issue MA right Keep nose down dont take flaps off quickly plane will stall hardest part planning just right amount flaps use seemed needed avoid making long straight-in approach because depth perception poor orientation kept landing short now come past myself downwind height dependent wind 60 120 feet establish needed rate decent flaps needed make big 1800 turn wind try gently adjust flaps diameter turn needed depending wind speed decent rate set up short final about 150 feet applying little less flaps can get Magic come spot consistently Flying other planes drag can drop nose speed up burn off energy cant Magic Again its like full-scale example landing draggy Schweizer 233 trainer L/D 221 Clark Y airfoil guppy fuselage wing struts can side slip just approach fast Flying glass slipper like Grob LID 321 wont able land doing plane too slippery side slip very little increase drag increased speed have approach lowest speed possible 1 1A times stall speed plus half wind normal spoilers effective Flying Magic different flaps flew full-scale Blanik once used flaps thermaling during landing Its operating procedures use flaps landing Top bottom dive brakes used landing control Blanik Magics flaps act drag generators flying fast slowsort contradiction during landing Magic has made learning thermaling techniques lot fun few occasions Ive saved flight well below launch heightthats really fun part sport once saved 600 feet Schweizer 1-26 L/D 231 1 remember precision concentration needed maintain bank angle precisely speed exactly 20 45 mph stall occurs 28 mph level 40 mph 200 continually re centering lift thermal think triggered corn silo lifted back up 3500 feet day during practice Magic pretty windy due strong convection going gotten couple good flights hadnt made landings Im little shy about keeping plane good heading landing speed little hot After its lot money Nationals two weeks away Ive since learned full 900 flaps cures too hot landing speed problem third launch got very strong thermal going up fast Suddenly plane got thrown out flipped over its side went steep dive panicked pulled full up elevator right wing panel bent up 300 end 24-inch-long spruce spar applying flaps wing maintained its shape made gentle landing Frank shipped new set wings 42in spar next day work cut out getting ready Nationals reflection about incident realized should have used flaps slow dive first rather trying pull out high speed Chucks Magic Lessons will continued next month F YI Quiet flight brand new reference book giving information virtually everything youre likely need hobby compiled being published Don Edberg RCMs Soaring Continued page 127 lU GAIN CONTROL Losing control can nightmare wrong response given command can take its toll model nerves walletl Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 Futaba ______ ne 5524 N Palafox Pensacola FL 32503 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line Orders Only Pleasel 106 Model Aviation z CESSNA BOBC RT 1-50 UC-78 editor two-time F3B Team pilot labor love Don because its obvious has put lot work book will quiet flight bible contains gold information us like buy kinds hobby stuff Don describes book intended make task finding information aspects RC soaring electric flight much easier includes wealth information topics such RC systems sailplane electric kits construction finishing materials launching apparatus instructional materials other categories way F YI Quiet Flight reference available lists larger manufacturers right along small cottage industries know just important todays modelers fact information over 350 manufacturers listed over 10000 lines data contained 312 pages What unique about book items listed categorynot brand name example find out about releasable towhooks merely looks index under towhooks rather searching through manufacturers New CDX FAILSAFE R/C System Single Channel R/C Revisited 1 Looking some inexpensive N/C Fun 2 Interested Nostalgic Oldtimer N/C 3 1/ZA Texaco scale Schoolyard scale 4 Considering electric indoor RIC FILSAFE~0 CO~L 5CSTEM System shown No 8400 Series BEC August 1991 issue Flying Models Bob Aherle says decided try indoor flying. what lot potential fun winter months just rainy day Cal Orr April 1991 issue R/C Modeler wrote transmitter 27Mhz tested AMA Silver Sticker. will interfere 72 Mhz modelers. has excellent range seems operate well large metropolitan area. new Cox FAILSAFE H/C system digital non-proportional single channel radio trimmable flight No escapements worry about no need tie up big rig small low cost model receiver/servo less batteries weighs ONLY 19 ounces Thousands have sold flown Electric Flyboy Thrbo Centurion Are ready new single channel experience fun See new Cox FAILSAFE R/C System favorite hobby retailer unavailable call Cox Toll Free 800/451-0339 listing wont find sort information other commercial directories fact F YI has sources entries pages covering just Sailpianes Electrics either well-known directories covering aircraft includes very useful items found others F Y Quiet Flight full-size softbound book retailing $1995 including shipping handling CA residents add 775% sales tax Order Dynamic Modeling 4922 Rochelle Avenue Irvine CA 92714-2941 Phone 1800-SEND FYI orders 714/5521812 information 724172067 CompuServe Clubs groups buy four Cot No 8400 Series BEC Cat No 8500 Series BEC Available 27 Mhz Channels 1 thin 6 COX HOBBIES INC 350 West Rincon St Couna CA 91720 1991 COX HOBBIES INC copies get free 20% discount New Magazine Silent Flight really excellent new publication Its first English language full-size magazine devoted Soaring Electrics published England Argus Specialist Publications large publisher put out Radio Control Models & Electronics Radio Modeler several other model magazines first issue Silent Flight dated Autumn 1991 will come out four times year beauty Silent Flight has in-depth coverage types RC Soaring Electric gliders Scanning Continued page 131 - 60 Engino Sizo Epoxy Fiberglass Fuselage Kit -Sopor Light weight Construction Made USA No Advanced Modeling Skills Necessary Build Accepts X-Cell Kalt Hirobo GMP & Schluler Kit includes Bodys Clear Canopy Landing Flesable Tail Drive Unit WoodIDV Hardware Manual Blueprint some oLE IIIJ ui models also include Pilolstation Macbin Gun Rocket Radar Dome & Shocks 521 Sinclair Frontage Rd Milpitas CA 95035 AH-1S TOW COBRA 36995 AH-64 APACHE 38995 UH-1B HUEY 27995 UH-60A BLACK HAWK 36995 WESTLAND SEAKING 34995 NEW AIRWOLF w/Retracts . 28995 Ph 408-942-9525 FAX 408-942-9524 February 1992 127 RC Soaring/Blakeslee Continued page 106 WORLD CLASS R/C HELICOPTERS & ACCESSORIES IMPORT & EXPORT Subscriptions can ordered right RC Soaring/Blakesleein USA Wise Owl Worldwide Continued page 127Publications 4314 West 238th Street Torrance CA 90505 price $2400 year includes free binder $4800 two years includes binder extra free copy cost per copy high account shipping costs Im sure youll like down contents first issue note columns Slope soaring Vintage gliders F3F Slope Racing Power Scale Slope soaring F3J & Thermal soaring Electrics F3B New Products World News articles Thermic Prowler Open class soarer Czechoslovakia Norman Deans magnificent ASK 18 Cliff Charlesworth plans extensive report experimental German 5B13 full-scale flying wing short lot fine reading Soaring enthusiasts Visibility Aircraft Color Schemes Wayne Angevine Boulder Colorado Visibility important criterion choice color scheme sailplane After cant see cant fly Unlike other modelers fly far away high up good color scheme can make difference between successful flight lost airplane sometimes see tables colors ranked least visible other such discussions magazines newsletters tables always rank light colors visible dark colors least Most us know observation thats really way works gliders reading book connection work finally gave reasoning problem book called Probing Atmospheric Boundary Layer published American Meteorological Society chapters Visibility Measurement MK 231 OR PFM 3200 Alooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA MATh1st PLACE WINNER 1985 NA TB EXPERT PORSCHE FI7TED MOONEY RADIO 4-6 CHANNEL ENGINE 901082 CYCLE 120-4 CYCLE SPAN 88 AREA 990 SO IN WEIGHT 12-15 lbs Information send SASE Plene end Instructione $30 S&H February 1992 131 -loergiass Liowlings WinOsrilelO lip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full Instructions Scale Spinner WAYNE SIEWERT 2740 31St Ave MPLS MN 55406 USA612-722-7564 Just Time Christmas ALL NEW FINISHING FRIEND SYSTEM 12 Hnislung Fnend YOU Guaranteed help build FASTER BETIIR have lots MORE PUN 3rd hand vice FF9 securely holds model out away wo*bench Los ANY angle hands FREE Sanding ceting painting EASY because model nottouched outside surtace OUTSTANDING QUAL3TYcomes UFEIlME GUARANTEE onoa ouas TODAYI Join fan satisfied customers say TQWNOP0*0FF YC4J LNBWP UT 5 $H 1311 Ernst 161st St ngfigIj ff4 44 3174964043 MC Send BABE fsw Omchww VISA Techniques discusses definitions limits visibility environment very similar ie ability distinguish object some distance through air daylight article bit mathematical quite bit longer have space will summarize relevant material visibility plane depends apparent contrast between its background background bright sky have airplane particular color will present some contrast its background its close up As path through air between pilot plane gets distant light sun scattered air toward pilot making plane appear brighter thus --- -I /11 I7 tAH 2O Ya didnt AI5 J chance see quarter-scale Radio Control plane land around did ya pal wwi AERO 1900-1919 SKYWAYS 1920-1940 Far restorer builder & serious modeller early aircraft information current projects news museums airshows technical drawings data photographs scale modelling material news current publications historical research workshop notes intormation painlicolor aeroplanes engines parts sale wants disposals 1 year subscription $25Overseas $30Sample issues $4 Published WORLD WAR 1 2epona6 INC 15 Crescent Road Poughkeepsie NY 12601 USA 914 473-3679 PRODUCTS Complete Line Exhaust Systems TunedMuffled Tuned PiDes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsupaased WarkmanshiD 8 PerformanCe 132 Model Aviation presenting less contrast conclusion maximum visibility achieved black aitplane lighter color shorter distance over plane can distinguished sky So discussions visibility come opposite conclusion suspect tables drawn up different environmentthat land vehicle against ground environment youre painting ambulance fire truck course thats what want times black airplane may ideal example youre flying against dark cloud something lighter might good Most pilots ii 1p & SEND ~Cq9 FORRULES~~ AND PRE-ENTRY INFO SUN VALLEY FLYERS- c/c DAN BOTT PO BOX 1167 CAREFREE AZ 85371 Bus 800-7274888 Home 602-438-9210 iT AMA SANCTION #20043 CAVE BUTTES FIELD PHOENIX AZ 1332 AUZOfA JIT CZZCTACULAII FEBRUARY 22 & 23 concerned about visibility make planes least half black red dark blue bottom least white light panel contrast dark clouds considerations found article cited arent ones need taken account Obviously small plane becomes invisible shorter distance large willnot because its color because eye cant resolve small objects So its important break up color scheme small pieces prefer make major panel bottom wing color time visibility critical youre low flying toward yourself trying desperately make back landing circle can see point leading edge wing top bottom leading edge different colors have lost half apparent cross section recommend making top leading edge same color bottom least another dark color Slope soarers have worry about visibility against ground may want ignore above E RC Giants/de Vries Continued page 49 have appearing magazines work very well However carriers weve seen limited transport single model few include provisions hauling fuselage wing fixtures arent included design friends Jennings Products PO Box 1121 Hendersonville TN 37033-1 121 have come up neat answer model transport storage problem Model Aircraft Carrier & Storage Rack modular wooden components accommodates three four complete models wings storage home also hold trip club field looks like good hangar rash preventer Have Happy New Year E responding advertIsers mentIon thBt read Bbout Model Aviation FULL BODY PILOT KIT contains pilot head hands boots helmet cap goggles full templates easy instruc tions Easy assemble tinish Some simple sewing required Fully positionable tool Price #206-/ scale995 #205-A scale1095 #2O41/ scale1195 #203-V3 scale1795 DARNED GOOD AIRMEN Lightest pilots available Lifelike vinyl latex rubber Build Sportsman Barnstormer Full Body Bust * Some simple sewing required See Dealer add Dollar direct order handling February 1992 133 yrcFrNo IOU PLANE VIDEO Presents AEROB ATICS AND GROUND SCHOOL 105 minutes AERODYNAMICS AND STALL THEORY plus HOW TO DO control inputal Proper takeoils Loops rolls SpinsSnap rolls Proper landings crosswind techniques $1995 plus $3005/H lforeign-$600 5/NI BUILDING IT RIGHT THE FIRST TIME 22 hour Videotapes Wing constrsction Radio Installation Fuselage conat ruction Engine set up RadioinstallationPushrods Fuel syslemscovering wilh film Propsand spinnersAlignmentBalancing shearwebbingPLUS MUCH MORE $3495 plus $400 S/H lforeign-$8OO S/HI Plane Video RO Box 23128available VISAClive IA 50325 IOWA residenis add 4% sales las 800383-8251TouFREE - OR 515-223-0597 BUST PILOT KIT Contains pilot head helmet sport cap goggles jacket Easy assemble finish Price #lOS/s scale NEW 695 #106-% scale #l05-/s scale. #lO4-/u scale. f103-/u scale ORDERING INSTRUCTIONS See dealer first order direct Add $100 shipping NYS residents add 7O/ las Send check money order coos OK Send $100 catalog