Radio Control Soaring Byron Blakeslee ATTENTION Scale Slope Soarers Remember back bemoaning fact no Scale Slope Soaring events US Well Wil Byers Tn City Soarers Richland Kennewick Pasco WA have stepped breach will holding 1988 National Mid-Columbia RC Soaring Scale Fun-Fly Soaring Social May 27 28 29the Memorial Day weekend really great news because Scale Slope contests get-togethers very popular Europe have sorely neglected country Its undoubtedly chicken/egg situa tion no eventsno fliers no fliersno events Personally Id say Wil going about right way planning fun-fly Scale Power Scale fliers As Wils announcement puts No judging no rules no hassles Only fly ing looking swapping talking best non-contest will ever attend will raffles some nice merchandise Maddie Weiss Wilshire Model Center Jerry Slates Vi king Models have already signed Judging popularity other fun-fly events around country majority fliers prefer what like donot what organized contest tells must So think Scale fliers will come out kind event especially can plan year facing long drive southern Wash ington state fun-fly would good excuse plan vacation Pacific Northwest lot right Tn-Cities area As Wils attachment registration form puts area lies sun-drenched mid-Columbia basin has activities besides Sloping available include fishing golf wind surf ing water skiing camping backpacking wine tours river tours visiting historical sites Wil has lined up very nice-looking New Clover Island Inn special rates double $35 per night banquet will also entry $25 includes banquet Get complete details sending SASE Wil Byers 632 Meadows Drive East Riebland WA 99352 phone number 509 627-5224 Northern California Soaring League Back June 1987 column talked about some re gional Soaring associations creased fun Sailplaning getting people involved Ray McGowan Napa CA kind enough send letter have Soaring association northern California called Northern California Soaring League NCSL consists seven clubs Mo desto Radio Control Club Sierra Foothills Soar ing Society North Bay Soaring Society South Bay Soaring Society Delta Soaring Society Dia blo Valley Soaring Society Silverado Soaring Society membership seven clubs comes about 255 Ive president NCSL past seven years am also president Silverado Club NCSL has annual round robin con tests club set format format three- five- seven- nine-minute precision du ration landing bonus points end season champion established awards presented top 10 awards have nice silver trays silver wine cooler going champion son Bob won last year Also note past May 3 four Silverado members went Ocean Cliffs Point Reys National Seashore try eight-hour Slope task LSF Level 5 Tim McCann Don Doe Bob McGovern myself wife Texie Bobs wife Diana kept us company food LSF member Frank Fish kept us good spirits refreshmentsand official timekeeper Its grueling task no lack wind generally blowing 30 mph Per sonal fatigue keeping orientation main problems strain task sure showed 63 /2 years youngest pilot son Bob must have flown 160 miles plus doing stunts throughout whole eight hours Oh youth Two pilots Don Tim used Paragons C-cell alkaline airborne packs jumper packs transmitters Bob used original 82-in-span Eppler 205 wing Bob Cat fuselagealso C cells used two transmitters extra packs used parts two original ships 100-in Eppler 193 wing C cells ship plug-in external pack Silver Seven transmitter next day other members club came over annual beach picnic Slope Fly celebration Thanks NCSL info Bob congratu 46 Model Aviation four fliers just completed 8-hour LSF Level V flights L-R Bob McGowan Ray McGowan Frank Fish official timer Don Roe Tim McCann Site Point Reys National Seashore northern California Looks great Tony Arnoux Miami FL sent photos Roland Kerns 7-meter-wingspan thats 23 ft Grab Twin Astir Scale Sailplane Photo above L shows model next full-size craft Scale factor 125 model weighs 195 kilograms 43 lb Roland makes Rake line German Scale Sailpianes says Twin Astir built full glass-resin-plastic technology model Tony told us about August column launched using automobile-driven wheel winch lations eight-hour flights its easy Ocean Cliffs Level 4 country will heading Bob enclosed NCSL 1987 contest schedule has 33 contests January through December guy Frisco area willing drive could hit con test weekend Im sure SASE Ray would get info about NCSL con tests Rays address 2661 Adrian St Napa CA 94558 Any other regional associations like describe activities F3B World Champs recap champs Ach mer West Germany exciting experienceif soggy Its too bad weather poor because always wonder outcome would have different flying conditions better Nevertheless rather unanimous agreement Epsilon designed built flown Reinhard Liese Martin Schlott West German team advanced plane contest no doubt Reinhard worked hard victory relate story Neither Reinhard nor twotime World Champion RaIf Decker atten dance Saturday evening awards banquet both TV studio being interviewed West German national television kind illustrates seriously Germans feel about flying toy airplanes Anyway understand Reinhard told inter viewer works job eight hours day spends eight hours day F3B hobby lieve because planes absolutely flaw less flying obviously very practiced current European F3B champion also fact lot formidable competitors top ranks F3B world today Germans said have couple dozen fliers about good three team US team worked extremely hard com peted hard earned respect other teams Competitors talked often mentioned Americans have act together Also noted American team being first out practice sessions last ones back However its nature satisfied Continued page 142 Advanced Glider Concepts Jet-Styled Slope Socirers ng 1/64 ply sheeting Fiberglass fuselage balsa & linkages Full instructions 2-ch radio required PO Box 1019 Manhattan Beach CA 90266 Advanced Glider Concepts lii jets REPRODUCTION PARTS FOR ANTIQUE IGNITION ENGINES SPARK PLUGS TIMERS NEEDLE VALVES EXHAUST STACKS 4 POINTS TANKS COILS PROP DRIVES OVER 600 ITEMS FOR MORE THAN 60 ENGINES Send $300 IUSA & Canadal Catalog No 1 0 llnternational orders 1 MICRO MODEL ENGINEERING 1301 W LAFAYETTE ST STURGIS MI 49091 December 1987 47 Cover new edition book contains data Eppler airfoils avail able Wilshire Model Center Read column details NEW LITTLE GIANTS ULTRALOK* Travel Air 2000 Span 79 Length 58875 Wing Loading 14 lbs19 oz Introductory Price $15495 Travel Air D4000 D4D Span 785 Length 5675 Wing Loading 1 5 lbs z Clip Wing Span695 Introductory Price $17495 Fleet Model 2 Span 68 Length 51 Wing Loading 1 3 lbs z Introductory Price $15495 5 Sport Scale Miniature Aircraft Kighl Prefab Kit Form Featuring F TRALOK onsiriltI ion Techniques Super Fast Assembi able QO 2 vcle 2 Cubic Inch Gas Quarter Scale Travel Air2000 104 23 lbs Travel Air 4000 9925 lbs Mark 4 JB Special Convertible ow Wing 18 lbs 1 plan 2 versions Biplane 18 lbsI Fokker D-VII 88 German WWI Fighter Biplane 23 lbs Waco UPF-790 Biplane 23 lbs Sopwith Tripehound 80 WWt Triplane 17 lbs Sopwith Pup 80 WWI Biplane 20 lbs kits complete contain fiberglass parts preformed landing gear cabanas machined ft die cut wood full hardware package Plans included comprehensive construc tion manual containIng photos end additional drawings Full rIgging kits requIrIng lIttle skill IncludedAlso Available Preformed Landing Gear Cabanes ORDERING INFO orders shipped UPS Parcel Post Add $10 shipping charge Allow 4 weeks delivery Checks MO payable Bebrlan Corp fastest service send Postal Money Order bank check No COD orders Call write information NY State residents add appropriate sales tax * 1 Ti PDA FF117 internotched self-aligning goof-proof assembly method Construction fast simple ULJ 1IIt1LiL1I1 OU will able frame airplane about 25 hours Jerrq Belirens Air Kit Experts Behrlan Corp PO Box 174 Inwood NY 11696 718 337-6987 516 868-5194 pressed below wings surface acts same washin wing covered plas tic films correction imbalance needs done before covering fiberglass resintype finishes extra coat resin half can help especially applied near tip Resin doesnt evaporate volume substance added remains place making quite easy balance method Adding coats dope effort balance wing can quite frustrating weight changes due evaporation dope solvents over long period time much like try ing balance props adding coats anything evaporates common fault Scale models propen sity toward tail-heaviness Knowing weight balsa sheets workshop helps divert less weighty materials aft keep tail light Its too easy grab first sheet stack re gardless density just because looks good fact seem excellent-choice balsa un less weight-watchers warning warn us Carl Goldberg Models plant ob served kits being assembled skilled workers deft touch picked up pieces balsa end determine whether well suited intended purpose No doubt some modelers could same weighing tech nique eliminates guessing FIBERGLASS PARTS Over 237 cowls kit scratch built models Also over 34 round cowls ranging 4 1 4-7/8 diameter 55 duff size & shape wheel pants custom Make Parts Vacuum Form Canopies Please seed $1 complete flat T&D FIBERBLASS SPECIALTIES 30925 Block Dept 4 Garden city Ml 48135 PHONE 3131 421-6358 BRAZED & HEATIREAIEO WIRE GEARS & CABANES PHONE 1313261-9064 Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Soaring/Blakeslee Continued page 47 seventh place want com peting win 89 World Champion ships held home ground everyone agrees have work harder develop some new ideas Choosing entirely new group guys two yearshowever skilledis obviously get ting job done need programs spread formation F3B designs construction methods winches etc also need figure out get Sailplaners F3B-type flying en courage clubs hold events flown manon-man working time Fortunately Phil Renaud guys 87 team comtnitted continuing what have started helping new programs tf sufficient support form around country Eight people themselves cannot make win ning team supported team generously dollars 87 Champs Now need invest time thought well prepared 89 World Championships ideas would welcome Getting back Achmer moment first impression having watched 81 83 NE W US WWd 1 1WINUA6Rj KIT ONLY $7 95 MOVEABLE CONTROLS EASY ADJUSTMENT Hi PM TNi77 24 WI1VUSP4VI Wi DId 1r KIT ONLY $895 - - PECK UODILI EUUY DO FIVE MANY HARD TO FIND ITEMS FOR RUBBER MODELS - CPLEf CA FISH $2U Peck-Peymers BOX 2498 -MA LA MESA CA 92044 N...- PHONE t619 448-1818 142 Model Aviation championships overall pilot skills much better previous contests top half pilots outclassed bottom half Ach mer top half still betterbut much better teams knew what trying lacking equip ment experience top 10 pilots serious conten tion win top 20 very com petitive second impression airplane de signs have pretty much settled down influ ence RaIf Deckers planes very apparent Planes need about size need super strong get out modern slingshot-ping-zoom launch provided pow erful winches monofilament lines Sure subtle differences outward ap pearance planes pretty similar An interesting sidelight planes manufac tured Germany quite competitive Steve Work flew Comet made Hans Muller turned fastest Speed run contest 185 sec Herr Mullers planes feature wood wing skins over foam cores F/G Kevlar fuse lages workmanship simply beautiful Id like have hang living room objet dart Muller planes makes about 15 different ones can purchased country through Becker USA San Diego Write Dave Hice catalog 2820 Altaview Dr San -AlSO AEXONCA L16B/cHAI84 IN SPAN VULTEX BT-13 VALIANT 84 IN SPAIT K Full Kit $25000 $26000 $25000 $26000 $26000 $27500 $29000 $25000 AERONCA L3 FLYING SCAlESPORT NCA L3/EIHDER 105 IN 2 CYClE 90-13 II 4 CYClE 12-18 BOLIiD PlAN SETS-------- $20 EACH FIBERGlASS CGfLS------- *20 EACH ADD 12SHPINGNYS ADD 8TAX AERO PlANS elf PARTS PO BOX 939 OIEAN NY 14760 1 372 iego CA 92139 phone 619 234-1071 Hans pretty much custom-makes plane prospective purchasers would well talk Dave about exact setup want popular purchased plane about five flown Impuls Rowing Joris Ten Holt Netherlands flew seri ous shot win plane obviously strong has modern features including slipon nose cone way judge strength much wings move during ping/zoom part launch Its difficult understand wings stay during 40-G maneuvers Im puls others stay stiff board Roland Sominers Rowing planes imported exclusively US Wilshire Model Cen ter Maddie Weiss says Impuls expen sive about $1000 has brought However anyone seriously interested call Maddie 213 829-9362 talk about spe cial order third manufactured plane Albatros Fiber Glas Flugel Folks know about such things very impressed plane Fiber Glas Flugel does knowledge have US importer thing con tact directly Streichenweg 21 8218 Un terwossen West Germany price Germany around 1400 marks about $780 18 marks per dollar technical aspects championships will covered upcoming issue Model Aviation John Dvorak John newsletter editor South Bay Soaring Society Silent Flyer great newsletter John tells got some good pictures Achmer Im look ing forward article National Soaring SocietyPart Two piece intended September issue got carried away Maynard Hills electrostatic stabilizer editor ran out space chop Im sorry have caused because promised August column print NSS officers names addresses nextand December Also NSS stopped ad quite few have written enquire contact organization person write Secretary-Treasurer Cliff Oliver address shown below Heres summary information didnt make August column tried show Sailplaners fit Grand Scheme Things Model Aviation also discussed reasons having ganization look after interests model Soaring organization AMA has desig nated Special Interest Group Soaring RIC Idle-Bar Glow Plugs Long Short Only $189 Also. Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $149 Swanson Associates PO Box 151 Wayne NJ 948 07470 National Soaring Society may have heard some Sailplaners say dont like about NSS NSS doesnt fill blanksthat want Id bet five bucks folks never talked anybody NSS tell wonder ful ideas So public service list current NSS officers district same AMA districts vice-presidents gen tlemen dedicated making Soaring better hobby/sport will delighted talk about ideas likes dislikes etc dont need NSS member contact themjust Sailplaner interested improving Soaring President Pete Carr 329 Little Ave Ridg way PA 15853 Secretary-Treasurer Cliff Oliver 8151 Broadway San Antonio TX 78209 Executive VP Gene Shelkey 217 Euclid Ave Scottdale PA 15683 District VP Jim Tyrie 39 Smith Rd Bed ford NH 03102 District 2 VP Ray Juschkus 7 Evergreen Ave New Hyde Park NY 11040 District 3 VP Pete Carr 329 Little Ave Ridgway PA 15853 District 4 VP Woody Blanchard 1733 Beach Rd Hampton VA 23664 District S VP District 6 VP Roger Stegall 4585 Apollo Dr Rockford IL 61111 District 7 VP Al Scidmore 5013 Dorsett Dr Madison WI 53711 District 8 VP Marshall Long 824 Garden Meadow Universal City TX 78148 District 9 VP Mike Hickman 6270 Rabbit Ears Cir Colorado Springs CO 80919 District 10 VP Dave Darling 2705 Harvest Rd Modesto CA 95355 District 11 VP Director Large Ray Marvin 2781 5 Gar field Denver CO 80210 PS NSS members will voting posi tion president even-numbered dis trict VPs 1988 Also note districts 5 11 need volunteerwho wants have go Sailplaners own way wonderful thing about hobby/sport people can go about whatever way suits know magazine writers tend overemphasize com petition high-tech aspects Sailplaning Nats competitor probably 100 guys flying Gentle Ladies schoolyards farm fields So glad receive letter Greg Alioshin talks about special thing Continued page 146 2 WANNA RACE MADTLIAQT AREA BEGINNER RACES 0 FORM-i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION ll9 DEAN AVE FRANKLIN MASS 02038 Tel 617 528-4043 203 673-2000 THE LEADER IN COMPETITION NEW 4jL THP DESIGN DIAPRICE 12209 9 14479 15609 16909 NEW & 9 \ / i PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 728 3 3h 4 5 6179 o33456O189 645667199 94566A77/*199 104566A7209 106W8W209 106EW219 114677A7I7/8229 115W229 116EW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164/*N969 16678969 December 1987 143 PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 6677A8 677/28 677 8 67 678 RC PYLON RACING SERIES 500 DIA PITCHPRICE 7 5N 5/N279 8 6778299 SERIES 4000 866777289 9777289 W WIDE BLADE EW EXTRA WIDE 64Y4/1D RADIO CONTROL SHORTKITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1964 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENTI AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT IS HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-38 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 SHORT KITS IVCLUDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED ORDERING SEND CHECK OR MONEY ORDER FOR REGUIRED AMOUNT PLUS 450 PER KIT CANADIANS ADD $650 TO WING MFG RO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE 8i%4WG MEG SERIES AGM2 ZERO 54 SPAN P-40 TOMAHAWK 55 SPAN. 2995 P-39 AIRA COBRA 55 SPAN . 2995 P-Sb MUSTANG 54 SPAN . 2995 C202 FOLGORE 56 SPAN 5 FOCKE WULF 19054 SPAN. 2995 PHONE 815-459-0417 RC Soaring/Blakeslee Continued page 143 number years ago abandoned power took up Gliders time gave up contests found myself bucking tide like flying early morning evening working weak lift build light use wellseasoned hi-start Ive tried undercambered airfoils recently Gottingen 500 love bit nostalgia building frame mind old Free Flighters advantages knowledge today reason writing recently read George Stringwells Radio Control Soaring discovered wasnt person fooling around offbeat Gliders people Out knew what doing have information could con tact learn about lightweights would ap preciate can see lightweights would fascinat ing study offband dont know anybody really anyone would care contact Greg address 3792 Mosswood Drive La fayette CA 94549 Newsletter exchange Soaring club newsletter ed itors wishing exchange other clubs vited send names month Ken STOP CRASHES.3 wkh new Optic Servo Driver System 7 7/ / / Flican Enterpuses Inc 265 Oxford Lane e Bloomingdale Illinois 60108 No other system can protect valuable model fleW State art Optic Servo System can crashes loss control glitches Using fiber optic technology can eliminate problem long servo Signal wires picking up spurious RFI-EMI signals can wreck havoc servos airplanes blood pressure works signal coming receiver processed invisible pulses infra-red light travel through fiber optic light pipe intoThe Optic Servo Driver comes driver circuit converted back electricalin 3 models signal also being boosted their____________________________________________ maximum strength Therefore servo 5 ft receiver signal wire long servo plugged directly receiver Heavy duty battery wires provided separate baltery pack filtered servo end installation straight forward easy Small size easily detached removing wing Order today Include $350 shipping Money order Visa Master Charge include espiration date check allow 20 days clear Sorry no CODs Send free catalog modeler safety supplies MODELDESCRIPTION PRICE 121A Single Unit 1 servo$2495 122A dual unit 2 Servos$3995 123A single unit 2 outputs flaps ailerons Oden Atlanta Soaring Association would like set up some exchanges clubs around country Kens address 1325 Winding Branch Circle Dunwoody GA 30338 Hying wing fans will enjoy Soartech edition No 7 Flying Wing Special first Soartech edited Herk Stokelys Tidewater clubmate Gene Dees Gene designer Icarosaur flying wing describes edition addition Genes piece de scriptions RC flying wings Ken Bates Noel Falconer Bob Thornburg weighty Performance Analysis Horten IV Flying Wing Dezo Gyorgyfalvy Missis sippi State University seems MSU obtained Horten after WW II flew 1959 ob tain flight performance data Michael Selig presents two new airfoils de signed flying wings Gene has another piece computer program finding CG loca tion flying wings also plotting variable r foils flying wings using Chuck Anderson Airfoil Plot program An offbeat item very scientific piece titled Gliding Flight Dog-Faced Bat Observed Wind Tunnel C J Pennycuick worth price two pieces Paul MacCready team Development Wing-Flapping Flying Replica Largest Plerosaur Dr Brooks et al Gossamer Condor Albatross Case Study Aircraft Design JD Burke lat ter piece contains detailed drawings both planes very interesting us follow ultra-lightweight aircraft engineering Soartech No 7 truly bargain $5 post paid US Canada $8 overseas Send check Herk Stokely 1504 Horseshoe Circle Virginia Beach VA 23451 Soartech No 8 will consist entirely re sults Michael Selig s wind-tunnel research RC Sailplane airfoils would good idea send $10 along Herk get Soartech No 7 now No 8 soon comes off press New Eppler airfoil book West German pub lisher Verlaf fur Technik und Handwerk re cently published new edition Modell-Technik-Berater series covering Ep pler airfoils new soft-cover 138-page book designated MTh 1/2 combines former MTh 1 MTB 2 editions contains new mate146 Model Aviation III O1orCOmpIet1ne Send SSAE catalog JET ENGINE SALE K i DYNAJETS $19900 Catalog $500 AL DOUE 4015 Bs Jacinto # 404 0 Houston Texas 77OO 713 0404744 LATNES M1iS MEIAS B00S -PRECISI0N INSTRJMENTS COMPLETE COTOOC 200 IIGOOs OF otees 1-~EMPIEU w ow S 100 M Seirne Rosa Sprefas1d lOss 45503 Compact 5513 3aB562 rial theory Dr Epplers airfoils de signed models plus offers advice applications obvious snag its printed entirely German makes heavy going us rather perfunctory knowledge German German/English dictionary aviation terms Soartech No 6 big help However understanding coordinates performance curves no problem want num bers well-known Epplers such E193 E205 E374 plus unknown ones like E47 1 undercambered E169 symmetrical book invaluable Quoting translation press release manual now published its 10th edi tiOn Completely revised combines previ ously published two volumes Eppler profiles Eppler profiles shown several thick nesses corresponding coordinates Also new polar diagrams Because expansion Dr Epplers calculations polars con tain bubble warnings instructions have totally revised brought up latest standards contain hints theory practice well usage instructions Also included extensive struction drawing profiles New profiles designed specifically large model gliders includedE66 E67 E68 book available Maddie Weiss Wilshire Model Center see ad $1995 plus postage should wish contact Verlag fur Technik directly address Postfach 1128 7570 Baden-Baden West Germany German kits Arnold Wratschko AMS Imports sent along catalog Bauer Modelle planes importing Bauer produces pretty full line Sailplane power ARF kits also have interesting-looking twin-boom Electric 385-meter wingspan since column Sailplaners lets stick subject catalog German Im certain about some construction details description says fuselages finished epoxy-glass white assume gel coat wings finished Im sure what five Gliders Arnold importing Variant 290 Dash 29-meter wingspan ailerons $291 Variant 300A Record 30-meter wingspan ailerons trailing edge air brakes $303 Super Variant 400A Contest 403-meter wingspan ailerons brakes T-tail $449 Mu 28 semiscale model Akaflied Munchen full-size experimental Sailplane model spans 30 meters sells $504 FS 25 Semi-Scale RC Grosmodell fur Ther snik und Hangflug big plane thermal slope flying spans 414 meters $546 havent seen Bauer planes sure look pretty catalog Arnold warns prices subject change according mark/dollar exchange rate Also boxes too large shipped UPS truck bus air freight has arranged Write AMS Imports 1110 5 Wells Ave Reno NV 89502 Phone 702 786-7733 1-800-752-7733 ord cr5 copy catalog $6 Byron Blokeslee 3134 Winnebago Dr Seda ha CO 8013S responding advertisers mention read about Model Aviation experience Great Performance Quartet DALOTEL SPAN 69 InsWING AREA 830 sq ins CHIPMUNK 850 SPAN 70 insWING AREA 850 sq ins KL SPAN 76 SPAN 72 ins EXTRA 230 WING AREA 900 sq ins ZLIN 526 WING AREA 900 sq ins 4 ALL BALSA ARFS AT ONE GREAT PRICE HOLIDAY SPECIAL -$185 ea available direct select hobby shops ZIMPRO MARKETINO 1 PO BOX 3076 OAK RIDGE TN 37830 PHONE 615-482-6188 December 1987 147 87 AMA HATS Highflghts Helicopter Championships includes FLY OFF * Now video tape either VHS BETA * $2695 add $190 Mail Memories Keep Video Productions 116 Grandview Fenton MO 83026 Dept WORCOS BIQOEST SCALE PHOTO S584C6 50000010 CKS PLANS 3 VISWS PHOTO-PACKS PLANS ENLARGING SASE EnteeSIng 5 S30O sctr PlANS awl PHOTO SERVICE 3209 MsdSoO Ges,sboo NC 27403 P5005 919 2925239 No Collect PAW DIESELS Englands Finest 049 35 R/C STD Send $100 t@ list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 MACHINE SHOP SUPPLIES ING MACHINES [5 LATHES AiiDGE TOOLS iflo / MACOINEeY AND lOOiS INC Fsr ehe IAviosiss Modeler 00 Boo 530-V iean WV 25020 562-3539 c,eIog also UNIMAT 3 FREE diII cheek Re a, SPECIAL FREE ireluhe FREE di , Save Over 09Q00 ALREADY FLYINGY BRAND NEW TRAINERS WITH RADIO AND ENGINE INSTALLED-Only $300 j FUTABA 4NLw/4S38 SERVOS 1 OTTS R/G PARADISE 80893542061 660 KAUMANA Dr HILOHi 967201 RIC Sailplanes Fully Built Two Meter Kits Covered -d~Rady radio $14800 UPSiSASE info AEROFAB FIR BOX 10 MORAN MICH 49700
Edition: Model Aviation - 1987/12
Page Numbers: 46, 47, 142, 143, 146, 147
Radio Control Soaring Byron Blakeslee ATTENTION Scale Slope Soarers Remember back bemoaning fact no Scale Slope Soaring events US Well Wil Byers Tn City Soarers Richland Kennewick Pasco WA have stepped breach will holding 1988 National Mid-Columbia RC Soaring Scale Fun-Fly Soaring Social May 27 28 29the Memorial Day weekend really great news because Scale Slope contests get-togethers very popular Europe have sorely neglected country Its undoubtedly chicken/egg situa tion no eventsno fliers no fliersno events Personally Id say Wil going about right way planning fun-fly Scale Power Scale fliers As Wils announcement puts No judging no rules no hassles Only fly ing looking swapping talking best non-contest will ever attend will raffles some nice merchandise Maddie Weiss Wilshire Model Center Jerry Slates Vi king Models have already signed Judging popularity other fun-fly events around country majority fliers prefer what like donot what organized contest tells must So think Scale fliers will come out kind event especially can plan year facing long drive southern Wash ington state fun-fly would good excuse plan vacation Pacific Northwest lot right Tn-Cities area As Wils attachment registration form puts area lies sun-drenched mid-Columbia basin has activities besides Sloping available include fishing golf wind surf ing water skiing camping backpacking wine tours river tours visiting historical sites Wil has lined up very nice-looking New Clover Island Inn special rates double $35 per night banquet will also entry $25 includes banquet Get complete details sending SASE Wil Byers 632 Meadows Drive East Riebland WA 99352 phone number 509 627-5224 Northern California Soaring League Back June 1987 column talked about some re gional Soaring associations creased fun Sailplaning getting people involved Ray McGowan Napa CA kind enough send letter have Soaring association northern California called Northern California Soaring League NCSL consists seven clubs Mo desto Radio Control Club Sierra Foothills Soar ing Society North Bay Soaring Society South Bay Soaring Society Delta Soaring Society Dia blo Valley Soaring Society Silverado Soaring Society membership seven clubs comes about 255 Ive president NCSL past seven years am also president Silverado Club NCSL has annual round robin con tests club set format format three- five- seven- nine-minute precision du ration landing bonus points end season champion established awards presented top 10 awards have nice silver trays silver wine cooler going champion son Bob won last year Also note past May 3 four Silverado members went Ocean Cliffs Point Reys National Seashore try eight-hour Slope task LSF Level 5 Tim McCann Don Doe Bob McGovern myself wife Texie Bobs wife Diana kept us company food LSF member Frank Fish kept us good spirits refreshmentsand official timekeeper Its grueling task no lack wind generally blowing 30 mph Per sonal fatigue keeping orientation main problems strain task sure showed 63 /2 years youngest pilot son Bob must have flown 160 miles plus doing stunts throughout whole eight hours Oh youth Two pilots Don Tim used Paragons C-cell alkaline airborne packs jumper packs transmitters Bob used original 82-in-span Eppler 205 wing Bob Cat fuselagealso C cells used two transmitters extra packs used parts two original ships 100-in Eppler 193 wing C cells ship plug-in external pack Silver Seven transmitter next day other members club came over annual beach picnic Slope Fly celebration Thanks NCSL info Bob congratu 46 Model Aviation four fliers just completed 8-hour LSF Level V flights L-R Bob McGowan Ray McGowan Frank Fish official timer Don Roe Tim McCann Site Point Reys National Seashore northern California Looks great Tony Arnoux Miami FL sent photos Roland Kerns 7-meter-wingspan thats 23 ft Grab Twin Astir Scale Sailplane Photo above L shows model next full-size craft Scale factor 125 model weighs 195 kilograms 43 lb Roland makes Rake line German Scale Sailpianes says Twin Astir built full glass-resin-plastic technology model Tony told us about August column launched using automobile-driven wheel winch lations eight-hour flights its easy Ocean Cliffs Level 4 country will heading Bob enclosed NCSL 1987 contest schedule has 33 contests January through December guy Frisco area willing drive could hit con test weekend Im sure SASE Ray would get info about NCSL con tests Rays address 2661 Adrian St Napa CA 94558 Any other regional associations like describe activities F3B World Champs recap champs Ach mer West Germany exciting experienceif soggy Its too bad weather poor because always wonder outcome would have different flying conditions better Nevertheless rather unanimous agreement Epsilon designed built flown Reinhard Liese Martin Schlott West German team advanced plane contest no doubt Reinhard worked hard victory relate story Neither Reinhard nor twotime World Champion RaIf Decker atten dance Saturday evening awards banquet both TV studio being interviewed West German national television kind illustrates seriously Germans feel about flying toy airplanes Anyway understand Reinhard told inter viewer works job eight hours day spends eight hours day F3B hobby lieve because planes absolutely flaw less flying obviously very practiced current European F3B champion also fact lot formidable competitors top ranks F3B world today Germans said have couple dozen fliers about good three team US team worked extremely hard com peted hard earned respect other teams Competitors talked often mentioned Americans have act together Also noted American team being first out practice sessions last ones back However its nature satisfied Continued page 142 Advanced Glider Concepts Jet-Styled Slope Socirers ng 1/64 ply sheeting Fiberglass fuselage balsa & linkages Full instructions 2-ch radio required PO Box 1019 Manhattan Beach CA 90266 Advanced Glider Concepts lii jets REPRODUCTION PARTS FOR ANTIQUE IGNITION ENGINES SPARK PLUGS TIMERS NEEDLE VALVES EXHAUST STACKS 4 POINTS TANKS COILS PROP DRIVES OVER 600 ITEMS FOR MORE THAN 60 ENGINES Send $300 IUSA & Canadal Catalog No 1 0 llnternational orders 1 MICRO MODEL ENGINEERING 1301 W LAFAYETTE ST STURGIS MI 49091 December 1987 47 Cover new edition book contains data Eppler airfoils avail able Wilshire Model Center Read column details NEW LITTLE GIANTS ULTRALOK* Travel Air 2000 Span 79 Length 58875 Wing Loading 14 lbs19 oz Introductory Price $15495 Travel Air D4000 D4D Span 785 Length 5675 Wing Loading 1 5 lbs z Clip Wing Span695 Introductory Price $17495 Fleet Model 2 Span 68 Length 51 Wing Loading 1 3 lbs z Introductory Price $15495 5 Sport Scale Miniature Aircraft Kighl Prefab Kit Form Featuring F TRALOK onsiriltI ion Techniques Super Fast Assembi able QO 2 vcle 2 Cubic Inch Gas Quarter Scale Travel Air2000 104 23 lbs Travel Air 4000 9925 lbs Mark 4 JB Special Convertible ow Wing 18 lbs 1 plan 2 versions Biplane 18 lbsI Fokker D-VII 88 German WWI Fighter Biplane 23 lbs Waco UPF-790 Biplane 23 lbs Sopwith Tripehound 80 WWt Triplane 17 lbs Sopwith Pup 80 WWI Biplane 20 lbs kits complete contain fiberglass parts preformed landing gear cabanas machined ft die cut wood full hardware package Plans included comprehensive construc tion manual containIng photos end additional drawings Full rIgging kits requIrIng lIttle skill IncludedAlso Available Preformed Landing Gear Cabanes ORDERING INFO orders shipped UPS Parcel Post Add $10 shipping charge Allow 4 weeks delivery Checks MO payable Bebrlan Corp fastest service send Postal Money Order bank check No COD orders Call write information NY State residents add appropriate sales tax * 1 Ti PDA FF117 internotched self-aligning goof-proof assembly method Construction fast simple ULJ 1IIt1LiL1I1 OU will able frame airplane about 25 hours Jerrq Belirens Air Kit Experts Behrlan Corp PO Box 174 Inwood NY 11696 718 337-6987 516 868-5194 pressed below wings surface acts same washin wing covered plas tic films correction imbalance needs done before covering fiberglass resintype finishes extra coat resin half can help especially applied near tip Resin doesnt evaporate volume substance added remains place making quite easy balance method Adding coats dope effort balance wing can quite frustrating weight changes due evaporation dope solvents over long period time much like try ing balance props adding coats anything evaporates common fault Scale models propen sity toward tail-heaviness Knowing weight balsa sheets workshop helps divert less weighty materials aft keep tail light Its too easy grab first sheet stack re gardless density just because looks good fact seem excellent-choice balsa un less weight-watchers warning warn us Carl Goldberg Models plant ob served kits being assembled skilled workers deft touch picked up pieces balsa end determine whether well suited intended purpose No doubt some modelers could same weighing tech nique eliminates guessing FIBERGLASS PARTS Over 237 cowls kit scratch built models Also over 34 round cowls ranging 4 1 4-7/8 diameter 55 duff size & shape wheel pants custom Make Parts Vacuum Form Canopies Please seed $1 complete flat T&D FIBERBLASS SPECIALTIES 30925 Block Dept 4 Garden city Ml 48135 PHONE 3131 421-6358 BRAZED & HEATIREAIEO WIRE GEARS & CABANES PHONE 1313261-9064 Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Soaring/Blakeslee Continued page 47 seventh place want com peting win 89 World Champion ships held home ground everyone agrees have work harder develop some new ideas Choosing entirely new group guys two yearshowever skilledis obviously get ting job done need programs spread formation F3B designs construction methods winches etc also need figure out get Sailplaners F3B-type flying en courage clubs hold events flown manon-man working time Fortunately Phil Renaud guys 87 team comtnitted continuing what have started helping new programs tf sufficient support form around country Eight people themselves cannot make win ning team supported team generously dollars 87 Champs Now need invest time thought well prepared 89 World Championships ideas would welcome Getting back Achmer moment first impression having watched 81 83 NE W US WWd 1 1WINUA6Rj KIT ONLY $7 95 MOVEABLE CONTROLS EASY ADJUSTMENT Hi PM TNi77 24 WI1VUSP4VI Wi DId 1r KIT ONLY $895 - - PECK UODILI EUUY DO FIVE MANY HARD TO FIND ITEMS FOR RUBBER MODELS - CPLEf CA FISH $2U Peck-Peymers BOX 2498 -MA LA MESA CA 92044 N...- PHONE t619 448-1818 142 Model Aviation championships overall pilot skills much better previous contests top half pilots outclassed bottom half Ach mer top half still betterbut much better teams knew what trying lacking equip ment experience top 10 pilots serious conten tion win top 20 very com petitive second impression airplane de signs have pretty much settled down influ ence RaIf Deckers planes very apparent Planes need about size need super strong get out modern slingshot-ping-zoom launch provided pow erful winches monofilament lines Sure subtle differences outward ap pearance planes pretty similar An interesting sidelight planes manufac tured Germany quite competitive Steve Work flew Comet made Hans Muller turned fastest Speed run contest 185 sec Herr Mullers planes feature wood wing skins over foam cores F/G Kevlar fuse lages workmanship simply beautiful Id like have hang living room objet dart Muller planes makes about 15 different ones can purchased country through Becker USA San Diego Write Dave Hice catalog 2820 Altaview Dr San -AlSO AEXONCA L16B/cHAI84 IN SPAN VULTEX BT-13 VALIANT 84 IN SPAIT K Full Kit $25000 $26000 $25000 $26000 $26000 $27500 $29000 $25000 AERONCA L3 FLYING SCAlESPORT NCA L3/EIHDER 105 IN 2 CYClE 90-13 II 4 CYClE 12-18 BOLIiD PlAN SETS-------- $20 EACH FIBERGlASS CGfLS------- *20 EACH ADD 12SHPINGNYS ADD 8TAX AERO PlANS elf PARTS PO BOX 939 OIEAN NY 14760 1 372 iego CA 92139 phone 619 234-1071 Hans pretty much custom-makes plane prospective purchasers would well talk Dave about exact setup want popular purchased plane about five flown Impuls Rowing Joris Ten Holt Netherlands flew seri ous shot win plane obviously strong has modern features including slipon nose cone way judge strength much wings move during ping/zoom part launch Its difficult understand wings stay during 40-G maneuvers Im puls others stay stiff board Roland Sominers Rowing planes imported exclusively US Wilshire Model Cen ter Maddie Weiss says Impuls expen sive about $1000 has brought However anyone seriously interested call Maddie 213 829-9362 talk about spe cial order third manufactured plane Albatros Fiber Glas Flugel Folks know about such things very impressed plane Fiber Glas Flugel does knowledge have US importer thing con tact directly Streichenweg 21 8218 Un terwossen West Germany price Germany around 1400 marks about $780 18 marks per dollar technical aspects championships will covered upcoming issue Model Aviation John Dvorak John newsletter editor South Bay Soaring Society Silent Flyer great newsletter John tells got some good pictures Achmer Im look ing forward article National Soaring SocietyPart Two piece intended September issue got carried away Maynard Hills electrostatic stabilizer editor ran out space chop Im sorry have caused because promised August column print NSS officers names addresses nextand December Also NSS stopped ad quite few have written enquire contact organization person write Secretary-Treasurer Cliff Oliver address shown below Heres summary information didnt make August column tried show Sailplaners fit Grand Scheme Things Model Aviation also discussed reasons having ganization look after interests model Soaring organization AMA has desig nated Special Interest Group Soaring RIC Idle-Bar Glow Plugs Long Short Only $189 Also. Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $149 Swanson Associates PO Box 151 Wayne NJ 948 07470 National Soaring Society may have heard some Sailplaners say dont like about NSS NSS doesnt fill blanksthat want Id bet five bucks folks never talked anybody NSS tell wonder ful ideas So public service list current NSS officers district same AMA districts vice-presidents gen tlemen dedicated making Soaring better hobby/sport will delighted talk about ideas likes dislikes etc dont need NSS member contact themjust Sailplaner interested improving Soaring President Pete Carr 329 Little Ave Ridg way PA 15853 Secretary-Treasurer Cliff Oliver 8151 Broadway San Antonio TX 78209 Executive VP Gene Shelkey 217 Euclid Ave Scottdale PA 15683 District VP Jim Tyrie 39 Smith Rd Bed ford NH 03102 District 2 VP Ray Juschkus 7 Evergreen Ave New Hyde Park NY 11040 District 3 VP Pete Carr 329 Little Ave Ridgway PA 15853 District 4 VP Woody Blanchard 1733 Beach Rd Hampton VA 23664 District S VP District 6 VP Roger Stegall 4585 Apollo Dr Rockford IL 61111 District 7 VP Al Scidmore 5013 Dorsett Dr Madison WI 53711 District 8 VP Marshall Long 824 Garden Meadow Universal City TX 78148 District 9 VP Mike Hickman 6270 Rabbit Ears Cir Colorado Springs CO 80919 District 10 VP Dave Darling 2705 Harvest Rd Modesto CA 95355 District 11 VP Director Large Ray Marvin 2781 5 Gar field Denver CO 80210 PS NSS members will voting posi tion president even-numbered dis trict VPs 1988 Also note districts 5 11 need volunteerwho wants have go Sailplaners own way wonderful thing about hobby/sport people can go about whatever way suits know magazine writers tend overemphasize com petition high-tech aspects Sailplaning Nats competitor probably 100 guys flying Gentle Ladies schoolyards farm fields So glad receive letter Greg Alioshin talks about special thing Continued page 146 2 WANNA RACE MADTLIAQT AREA BEGINNER RACES 0 FORM-i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION ll9 DEAN AVE FRANKLIN MASS 02038 Tel 617 528-4043 203 673-2000 THE LEADER IN COMPETITION NEW 4jL THP DESIGN DIAPRICE 12209 9 14479 15609 16909 NEW & 9 \ / i PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 728 3 3h 4 5 6179 o33456O189 645667199 94566A77/*199 104566A7209 106W8W209 106EW219 114677A7I7/8229 115W229 116EW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164/*N969 16678969 December 1987 143 PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 6677A8 677/28 677 8 67 678 RC PYLON RACING SERIES 500 DIA PITCHPRICE 7 5N 5/N279 8 6778299 SERIES 4000 866777289 9777289 W WIDE BLADE EW EXTRA WIDE 64Y4/1D RADIO CONTROL SHORTKITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1964 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENTI AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT IS HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-38 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 SHORT KITS IVCLUDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED ORDERING SEND CHECK OR MONEY ORDER FOR REGUIRED AMOUNT PLUS 450 PER KIT CANADIANS ADD $650 TO WING MFG RO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE 8i%4WG MEG SERIES AGM2 ZERO 54 SPAN P-40 TOMAHAWK 55 SPAN. 2995 P-39 AIRA COBRA 55 SPAN . 2995 P-Sb MUSTANG 54 SPAN . 2995 C202 FOLGORE 56 SPAN 5 FOCKE WULF 19054 SPAN. 2995 PHONE 815-459-0417 RC Soaring/Blakeslee Continued page 143 number years ago abandoned power took up Gliders time gave up contests found myself bucking tide like flying early morning evening working weak lift build light use wellseasoned hi-start Ive tried undercambered airfoils recently Gottingen 500 love bit nostalgia building frame mind old Free Flighters advantages knowledge today reason writing recently read George Stringwells Radio Control Soaring discovered wasnt person fooling around offbeat Gliders people Out knew what doing have information could con tact learn about lightweights would ap preciate can see lightweights would fascinat ing study offband dont know anybody really anyone would care contact Greg address 3792 Mosswood Drive La fayette CA 94549 Newsletter exchange Soaring club newsletter ed itors wishing exchange other clubs vited send names month Ken STOP CRASHES.3 wkh new Optic Servo Driver System 7 7/ / / Flican Enterpuses Inc 265 Oxford Lane e Bloomingdale Illinois 60108 No other system can protect valuable model fleW State art Optic Servo System can crashes loss control glitches Using fiber optic technology can eliminate problem long servo Signal wires picking up spurious RFI-EMI signals can wreck havoc servos airplanes blood pressure works signal coming receiver processed invisible pulses infra-red light travel through fiber optic light pipe intoThe Optic Servo Driver comes driver circuit converted back electricalin 3 models signal also being boosted their____________________________________________ maximum strength Therefore servo 5 ft receiver signal wire long servo plugged directly receiver Heavy duty battery wires provided separate baltery pack filtered servo end installation straight forward easy Small size easily detached removing wing Order today Include $350 shipping Money order Visa Master Charge include espiration date check allow 20 days clear Sorry no CODs Send free catalog modeler safety supplies MODELDESCRIPTION PRICE 121A Single Unit 1 servo$2495 122A dual unit 2 Servos$3995 123A single unit 2 outputs flaps ailerons Oden Atlanta Soaring Association would like set up some exchanges clubs around country Kens address 1325 Winding Branch Circle Dunwoody GA 30338 Hying wing fans will enjoy Soartech edition No 7 Flying Wing Special first Soartech edited Herk Stokelys Tidewater clubmate Gene Dees Gene designer Icarosaur flying wing describes edition addition Genes piece de scriptions RC flying wings Ken Bates Noel Falconer Bob Thornburg weighty Performance Analysis Horten IV Flying Wing Dezo Gyorgyfalvy Missis sippi State University seems MSU obtained Horten after WW II flew 1959 ob tain flight performance data Michael Selig presents two new airfoils de signed flying wings Gene has another piece computer program finding CG loca tion flying wings also plotting variable r foils flying wings using Chuck Anderson Airfoil Plot program An offbeat item very scientific piece titled Gliding Flight Dog-Faced Bat Observed Wind Tunnel C J Pennycuick worth price two pieces Paul MacCready team Development Wing-Flapping Flying Replica Largest Plerosaur Dr Brooks et al Gossamer Condor Albatross Case Study Aircraft Design JD Burke lat ter piece contains detailed drawings both planes very interesting us follow ultra-lightweight aircraft engineering Soartech No 7 truly bargain $5 post paid US Canada $8 overseas Send check Herk Stokely 1504 Horseshoe Circle Virginia Beach VA 23451 Soartech No 8 will consist entirely re sults Michael Selig s wind-tunnel research RC Sailplane airfoils would good idea send $10 along Herk get Soartech No 7 now No 8 soon comes off press New Eppler airfoil book West German pub lisher Verlaf fur Technik und Handwerk re cently published new edition Modell-Technik-Berater series covering Ep pler airfoils new soft-cover 138-page book designated MTh 1/2 combines former MTh 1 MTB 2 editions contains new mate146 Model Aviation III O1orCOmpIet1ne Send SSAE catalog JET ENGINE SALE K i DYNAJETS $19900 Catalog $500 AL DOUE 4015 Bs Jacinto # 404 0 Houston Texas 77OO 713 0404744 LATNES M1iS MEIAS B00S -PRECISI0N INSTRJMENTS COMPLETE COTOOC 200 IIGOOs OF otees 1-~EMPIEU w ow S 100 M Seirne Rosa Sprefas1d lOss 45503 Compact 5513 3aB562 rial theory Dr Epplers airfoils de signed models plus offers advice applications obvious snag its printed entirely German makes heavy going us rather perfunctory knowledge German German/English dictionary aviation terms Soartech No 6 big help However understanding coordinates performance curves no problem want num bers well-known Epplers such E193 E205 E374 plus unknown ones like E47 1 undercambered E169 symmetrical book invaluable Quoting translation press release manual now published its 10th edi tiOn Completely revised combines previ ously published two volumes Eppler profiles Eppler profiles shown several thick nesses corresponding coordinates Also new polar diagrams Because expansion Dr Epplers calculations polars con tain bubble warnings instructions have totally revised brought up latest standards contain hints theory practice well usage instructions Also included extensive struction drawing profiles New profiles designed specifically large model gliders includedE66 E67 E68 book available Maddie Weiss Wilshire Model Center see ad $1995 plus postage should wish contact Verlag fur Technik directly address Postfach 1128 7570 Baden-Baden West Germany German kits Arnold Wratschko AMS Imports sent along catalog Bauer Modelle planes importing Bauer produces pretty full line Sailplane power ARF kits also have interesting-looking twin-boom Electric 385-meter wingspan since column Sailplaners lets stick subject catalog German Im certain about some construction details description says fuselages finished epoxy-glass white assume gel coat wings finished Im sure what five Gliders Arnold importing Variant 290 Dash 29-meter wingspan ailerons $291 Variant 300A Record 30-meter wingspan ailerons trailing edge air brakes $303 Super Variant 400A Contest 403-meter wingspan ailerons brakes T-tail $449 Mu 28 semiscale model Akaflied Munchen full-size experimental Sailplane model spans 30 meters sells $504 FS 25 Semi-Scale RC Grosmodell fur Ther snik und Hangflug big plane thermal slope flying spans 414 meters $546 havent seen Bauer planes sure look pretty catalog Arnold warns prices subject change according mark/dollar exchange rate Also boxes too large shipped UPS truck bus air freight has arranged Write AMS Imports 1110 5 Wells Ave Reno NV 89502 Phone 702 786-7733 1-800-752-7733 ord cr5 copy catalog $6 Byron Blokeslee 3134 Winnebago Dr Seda ha CO 8013S responding advertisers mention read about Model Aviation experience Great Performance Quartet DALOTEL SPAN 69 InsWING AREA 830 sq ins CHIPMUNK 850 SPAN 70 insWING AREA 850 sq ins KL SPAN 76 SPAN 72 ins EXTRA 230 WING AREA 900 sq ins ZLIN 526 WING AREA 900 sq ins 4 ALL BALSA ARFS AT ONE GREAT PRICE HOLIDAY SPECIAL -$185 ea available direct select hobby shops ZIMPRO MARKETINO 1 PO BOX 3076 OAK RIDGE TN 37830 PHONE 615-482-6188 December 1987 147 87 AMA HATS Highflghts Helicopter Championships includes FLY OFF * Now video tape either VHS BETA * $2695 add $190 Mail Memories Keep Video Productions 116 Grandview Fenton MO 83026 Dept WORCOS BIQOEST SCALE PHOTO S584C6 50000010 CKS PLANS 3 VISWS PHOTO-PACKS PLANS ENLARGING SASE EnteeSIng 5 S30O sctr PlANS awl PHOTO SERVICE 3209 MsdSoO Ges,sboo NC 27403 P5005 919 2925239 No Collect PAW DIESELS Englands Finest 049 35 R/C STD Send $100 t@ list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 MACHINE SHOP SUPPLIES ING MACHINES [5 LATHES AiiDGE TOOLS iflo / MACOINEeY AND lOOiS INC Fsr ehe IAviosiss Modeler 00 Boo 530-V iean WV 25020 562-3539 c,eIog also UNIMAT 3 FREE diII cheek Re a, SPECIAL FREE ireluhe FREE di , Save Over 09Q00 ALREADY FLYINGY BRAND NEW TRAINERS WITH RADIO AND ENGINE INSTALLED-Only $300 j FUTABA 4NLw/4S38 SERVOS 1 OTTS R/G PARADISE 80893542061 660 KAUMANA Dr HILOHi 967201 RIC Sailplanes Fully Built Two Meter Kits Covered -d~Rady radio $14800 UPSiSASE info AEROFAB FIR BOX 10 MORAN MICH 49700
Edition: Model Aviation - 1987/12
Page Numbers: 46, 47, 142, 143, 146, 147
Radio Control Soaring Byron Blakeslee ATTENTION Scale Slope Soarers Remember back bemoaning fact no Scale Slope Soaring events US Well Wil Byers Tn City Soarers Richland Kennewick Pasco WA have stepped breach will holding 1988 National Mid-Columbia RC Soaring Scale Fun-Fly Soaring Social May 27 28 29the Memorial Day weekend really great news because Scale Slope contests get-togethers very popular Europe have sorely neglected country Its undoubtedly chicken/egg situa tion no eventsno fliers no fliersno events Personally Id say Wil going about right way planning fun-fly Scale Power Scale fliers As Wils announcement puts No judging no rules no hassles Only fly ing looking swapping talking best non-contest will ever attend will raffles some nice merchandise Maddie Weiss Wilshire Model Center Jerry Slates Vi king Models have already signed Judging popularity other fun-fly events around country majority fliers prefer what like donot what organized contest tells must So think Scale fliers will come out kind event especially can plan year facing long drive southern Wash ington state fun-fly would good excuse plan vacation Pacific Northwest lot right Tn-Cities area As Wils attachment registration form puts area lies sun-drenched mid-Columbia basin has activities besides Sloping available include fishing golf wind surf ing water skiing camping backpacking wine tours river tours visiting historical sites Wil has lined up very nice-looking New Clover Island Inn special rates double $35 per night banquet will also entry $25 includes banquet Get complete details sending SASE Wil Byers 632 Meadows Drive East Riebland WA 99352 phone number 509 627-5224 Northern California Soaring League Back June 1987 column talked about some re gional Soaring associations creased fun Sailplaning getting people involved Ray McGowan Napa CA kind enough send letter have Soaring association northern California called Northern California Soaring League NCSL consists seven clubs Mo desto Radio Control Club Sierra Foothills Soar ing Society North Bay Soaring Society South Bay Soaring Society Delta Soaring Society Dia blo Valley Soaring Society Silverado Soaring Society membership seven clubs comes about 255 Ive president NCSL past seven years am also president Silverado Club NCSL has annual round robin con tests club set format format three- five- seven- nine-minute precision du ration landing bonus points end season champion established awards presented top 10 awards have nice silver trays silver wine cooler going champion son Bob won last year Also note past May 3 four Silverado members went Ocean Cliffs Point Reys National Seashore try eight-hour Slope task LSF Level 5 Tim McCann Don Doe Bob McGovern myself wife Texie Bobs wife Diana kept us company food LSF member Frank Fish kept us good spirits refreshmentsand official timekeeper Its grueling task no lack wind generally blowing 30 mph Per sonal fatigue keeping orientation main problems strain task sure showed 63 /2 years youngest pilot son Bob must have flown 160 miles plus doing stunts throughout whole eight hours Oh youth Two pilots Don Tim used Paragons C-cell alkaline airborne packs jumper packs transmitters Bob used original 82-in-span Eppler 205 wing Bob Cat fuselagealso C cells used two transmitters extra packs used parts two original ships 100-in Eppler 193 wing C cells ship plug-in external pack Silver Seven transmitter next day other members club came over annual beach picnic Slope Fly celebration Thanks NCSL info Bob congratu 46 Model Aviation four fliers just completed 8-hour LSF Level V flights L-R Bob McGowan Ray McGowan Frank Fish official timer Don Roe Tim McCann Site Point Reys National Seashore northern California Looks great Tony Arnoux Miami FL sent photos Roland Kerns 7-meter-wingspan thats 23 ft Grab Twin Astir Scale Sailplane Photo above L shows model next full-size craft Scale factor 125 model weighs 195 kilograms 43 lb Roland makes Rake line German Scale Sailpianes says Twin Astir built full glass-resin-plastic technology model Tony told us about August column launched using automobile-driven wheel winch lations eight-hour flights its easy Ocean Cliffs Level 4 country will heading Bob enclosed NCSL 1987 contest schedule has 33 contests January through December guy Frisco area willing drive could hit con test weekend Im sure SASE Ray would get info about NCSL con tests Rays address 2661 Adrian St Napa CA 94558 Any other regional associations like describe activities F3B World Champs recap champs Ach mer West Germany exciting experienceif soggy Its too bad weather poor because always wonder outcome would have different flying conditions better Nevertheless rather unanimous agreement Epsilon designed built flown Reinhard Liese Martin Schlott West German team advanced plane contest no doubt Reinhard worked hard victory relate story Neither Reinhard nor twotime World Champion RaIf Decker atten dance Saturday evening awards banquet both TV studio being interviewed West German national television kind illustrates seriously Germans feel about flying toy airplanes Anyway understand Reinhard told inter viewer works job eight hours day spends eight hours day F3B hobby lieve because planes absolutely flaw less flying obviously very practiced current European F3B champion also fact lot formidable competitors top ranks F3B world today Germans said have couple dozen fliers about good three team US team worked extremely hard com peted hard earned respect other teams Competitors talked often mentioned Americans have act together Also noted American team being first out practice sessions last ones back However its nature satisfied Continued page 142 Advanced Glider Concepts Jet-Styled Slope Socirers ng 1/64 ply sheeting Fiberglass fuselage balsa & linkages Full instructions 2-ch radio required PO Box 1019 Manhattan Beach CA 90266 Advanced Glider Concepts lii jets REPRODUCTION PARTS FOR ANTIQUE IGNITION ENGINES SPARK PLUGS TIMERS NEEDLE VALVES EXHAUST STACKS 4 POINTS TANKS COILS PROP DRIVES OVER 600 ITEMS FOR MORE THAN 60 ENGINES Send $300 IUSA & Canadal Catalog No 1 0 llnternational orders 1 MICRO MODEL ENGINEERING 1301 W LAFAYETTE ST STURGIS MI 49091 December 1987 47 Cover new edition book contains data Eppler airfoils avail able Wilshire Model Center Read column details NEW LITTLE GIANTS ULTRALOK* Travel Air 2000 Span 79 Length 58875 Wing Loading 14 lbs19 oz Introductory Price $15495 Travel Air D4000 D4D Span 785 Length 5675 Wing Loading 1 5 lbs z Clip Wing Span695 Introductory Price $17495 Fleet Model 2 Span 68 Length 51 Wing Loading 1 3 lbs z Introductory Price $15495 5 Sport Scale Miniature Aircraft Kighl Prefab Kit Form Featuring F TRALOK onsiriltI ion Techniques Super Fast Assembi able QO 2 vcle 2 Cubic Inch Gas Quarter Scale Travel Air2000 104 23 lbs Travel Air 4000 9925 lbs Mark 4 JB Special Convertible ow Wing 18 lbs 1 plan 2 versions Biplane 18 lbsI Fokker D-VII 88 German WWI Fighter Biplane 23 lbs Waco UPF-790 Biplane 23 lbs Sopwith Tripehound 80 WWt Triplane 17 lbs Sopwith Pup 80 WWI Biplane 20 lbs kits complete contain fiberglass parts preformed landing gear cabanas machined ft die cut wood full hardware package Plans included comprehensive construc tion manual containIng photos end additional drawings Full rIgging kits requIrIng lIttle skill IncludedAlso Available Preformed Landing Gear Cabanes ORDERING INFO orders shipped UPS Parcel Post Add $10 shipping charge Allow 4 weeks delivery Checks MO payable Bebrlan Corp fastest service send Postal Money Order bank check No COD orders Call write information NY State residents add appropriate sales tax * 1 Ti PDA FF117 internotched self-aligning goof-proof assembly method Construction fast simple ULJ 1IIt1LiL1I1 OU will able frame airplane about 25 hours Jerrq Belirens Air Kit Experts Behrlan Corp PO Box 174 Inwood NY 11696 718 337-6987 516 868-5194 pressed below wings surface acts same washin wing covered plas tic films correction imbalance needs done before covering fiberglass resintype finishes extra coat resin half can help especially applied near tip Resin doesnt evaporate volume substance added remains place making quite easy balance method Adding coats dope effort balance wing can quite frustrating weight changes due evaporation dope solvents over long period time much like try ing balance props adding coats anything evaporates common fault Scale models propen sity toward tail-heaviness Knowing weight balsa sheets workshop helps divert less weighty materials aft keep tail light Its too easy grab first sheet stack re gardless density just because looks good fact seem excellent-choice balsa un less weight-watchers warning warn us Carl Goldberg Models plant ob served kits being assembled skilled workers deft touch picked up pieces balsa end determine whether well suited intended purpose No doubt some modelers could same weighing tech nique eliminates guessing FIBERGLASS PARTS Over 237 cowls kit scratch built models Also over 34 round cowls ranging 4 1 4-7/8 diameter 55 duff size & shape wheel pants custom Make Parts Vacuum Form Canopies Please seed $1 complete flat T&D FIBERBLASS SPECIALTIES 30925 Block Dept 4 Garden city Ml 48135 PHONE 3131 421-6358 BRAZED & HEATIREAIEO WIRE GEARS & CABANES PHONE 1313261-9064 Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Soaring/Blakeslee Continued page 47 seventh place want com peting win 89 World Champion ships held home ground everyone agrees have work harder develop some new ideas Choosing entirely new group guys two yearshowever skilledis obviously get ting job done need programs spread formation F3B designs construction methods winches etc also need figure out get Sailplaners F3B-type flying en courage clubs hold events flown manon-man working time Fortunately Phil Renaud guys 87 team comtnitted continuing what have started helping new programs tf sufficient support form around country Eight people themselves cannot make win ning team supported team generously dollars 87 Champs Now need invest time thought well prepared 89 World Championships ideas would welcome Getting back Achmer moment first impression having watched 81 83 NE W US WWd 1 1WINUA6Rj KIT ONLY $7 95 MOVEABLE CONTROLS EASY ADJUSTMENT Hi PM TNi77 24 WI1VUSP4VI Wi DId 1r KIT ONLY $895 - - PECK UODILI EUUY DO FIVE MANY HARD TO FIND ITEMS FOR RUBBER MODELS - CPLEf CA FISH $2U Peck-Peymers BOX 2498 -MA LA MESA CA 92044 N...- PHONE t619 448-1818 142 Model Aviation championships overall pilot skills much better previous contests top half pilots outclassed bottom half Ach mer top half still betterbut much better teams knew what trying lacking equip ment experience top 10 pilots serious conten tion win top 20 very com petitive second impression airplane de signs have pretty much settled down influ ence RaIf Deckers planes very apparent Planes need about size need super strong get out modern slingshot-ping-zoom launch provided pow erful winches monofilament lines Sure subtle differences outward ap pearance planes pretty similar An interesting sidelight planes manufac tured Germany quite competitive Steve Work flew Comet made Hans Muller turned fastest Speed run contest 185 sec Herr Mullers planes feature wood wing skins over foam cores F/G Kevlar fuse lages workmanship simply beautiful Id like have hang living room objet dart Muller planes makes about 15 different ones can purchased country through Becker USA San Diego Write Dave Hice catalog 2820 Altaview Dr San -AlSO AEXONCA L16B/cHAI84 IN SPAN VULTEX BT-13 VALIANT 84 IN SPAIT K Full Kit $25000 $26000 $25000 $26000 $26000 $27500 $29000 $25000 AERONCA L3 FLYING SCAlESPORT NCA L3/EIHDER 105 IN 2 CYClE 90-13 II 4 CYClE 12-18 BOLIiD PlAN SETS-------- $20 EACH FIBERGlASS CGfLS------- *20 EACH ADD 12SHPINGNYS ADD 8TAX AERO PlANS elf PARTS PO BOX 939 OIEAN NY 14760 1 372 iego CA 92139 phone 619 234-1071 Hans pretty much custom-makes plane prospective purchasers would well talk Dave about exact setup want popular purchased plane about five flown Impuls Rowing Joris Ten Holt Netherlands flew seri ous shot win plane obviously strong has modern features including slipon nose cone way judge strength much wings move during ping/zoom part launch Its difficult understand wings stay during 40-G maneuvers Im puls others stay stiff board Roland Sominers Rowing planes imported exclusively US Wilshire Model Cen ter Maddie Weiss says Impuls expen sive about $1000 has brought However anyone seriously interested call Maddie 213 829-9362 talk about spe cial order third manufactured plane Albatros Fiber Glas Flugel Folks know about such things very impressed plane Fiber Glas Flugel does knowledge have US importer thing con tact directly Streichenweg 21 8218 Un terwossen West Germany price Germany around 1400 marks about $780 18 marks per dollar technical aspects championships will covered upcoming issue Model Aviation John Dvorak John newsletter editor South Bay Soaring Society Silent Flyer great newsletter John tells got some good pictures Achmer Im look ing forward article National Soaring SocietyPart Two piece intended September issue got carried away Maynard Hills electrostatic stabilizer editor ran out space chop Im sorry have caused because promised August column print NSS officers names addresses nextand December Also NSS stopped ad quite few have written enquire contact organization person write Secretary-Treasurer Cliff Oliver address shown below Heres summary information didnt make August column tried show Sailplaners fit Grand Scheme Things Model Aviation also discussed reasons having ganization look after interests model Soaring organization AMA has desig nated Special Interest Group Soaring RIC Idle-Bar Glow Plugs Long Short Only $189 Also. Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $149 Swanson Associates PO Box 151 Wayne NJ 948 07470 National Soaring Society may have heard some Sailplaners say dont like about NSS NSS doesnt fill blanksthat want Id bet five bucks folks never talked anybody NSS tell wonder ful ideas So public service list current NSS officers district same AMA districts vice-presidents gen tlemen dedicated making Soaring better hobby/sport will delighted talk about ideas likes dislikes etc dont need NSS member contact themjust Sailplaner interested improving Soaring President Pete Carr 329 Little Ave Ridg way PA 15853 Secretary-Treasurer Cliff Oliver 8151 Broadway San Antonio TX 78209 Executive VP Gene Shelkey 217 Euclid Ave Scottdale PA 15683 District VP Jim Tyrie 39 Smith Rd Bed ford NH 03102 District 2 VP Ray Juschkus 7 Evergreen Ave New Hyde Park NY 11040 District 3 VP Pete Carr 329 Little Ave Ridgway PA 15853 District 4 VP Woody Blanchard 1733 Beach Rd Hampton VA 23664 District S VP District 6 VP Roger Stegall 4585 Apollo Dr Rockford IL 61111 District 7 VP Al Scidmore 5013 Dorsett Dr Madison WI 53711 District 8 VP Marshall Long 824 Garden Meadow Universal City TX 78148 District 9 VP Mike Hickman 6270 Rabbit Ears Cir Colorado Springs CO 80919 District 10 VP Dave Darling 2705 Harvest Rd Modesto CA 95355 District 11 VP Director Large Ray Marvin 2781 5 Gar field Denver CO 80210 PS NSS members will voting posi tion president even-numbered dis trict VPs 1988 Also note districts 5 11 need volunteerwho wants have go Sailplaners own way wonderful thing about hobby/sport people can go about whatever way suits know magazine writers tend overemphasize com petition high-tech aspects Sailplaning Nats competitor probably 100 guys flying Gentle Ladies schoolyards farm fields So glad receive letter Greg Alioshin talks about special thing Continued page 146 2 WANNA RACE MADTLIAQT AREA BEGINNER RACES 0 FORM-i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION ll9 DEAN AVE FRANKLIN MASS 02038 Tel 617 528-4043 203 673-2000 THE LEADER IN COMPETITION NEW 4jL THP DESIGN DIAPRICE 12209 9 14479 15609 16909 NEW & 9 \ / i PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 728 3 3h 4 5 6179 o33456O189 645667199 94566A77/*199 104566A7209 106W8W209 106EW219 114677A7I7/8229 115W229 116EW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164/*N969 16678969 December 1987 143 PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 6677A8 677/28 677 8 67 678 RC PYLON RACING SERIES 500 DIA PITCHPRICE 7 5N 5/N279 8 6778299 SERIES 4000 866777289 9777289 W WIDE BLADE EW EXTRA WIDE 64Y4/1D RADIO CONTROL SHORTKITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1964 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENTI AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT IS HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-38 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 SHORT KITS IVCLUDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED ORDERING SEND CHECK OR MONEY ORDER FOR REGUIRED AMOUNT PLUS 450 PER KIT CANADIANS ADD $650 TO WING MFG RO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE 8i%4WG MEG SERIES AGM2 ZERO 54 SPAN P-40 TOMAHAWK 55 SPAN. 2995 P-39 AIRA COBRA 55 SPAN . 2995 P-Sb MUSTANG 54 SPAN . 2995 C202 FOLGORE 56 SPAN 5 FOCKE WULF 19054 SPAN. 2995 PHONE 815-459-0417 RC Soaring/Blakeslee Continued page 143 number years ago abandoned power took up Gliders time gave up contests found myself bucking tide like flying early morning evening working weak lift build light use wellseasoned hi-start Ive tried undercambered airfoils recently Gottingen 500 love bit nostalgia building frame mind old Free Flighters advantages knowledge today reason writing recently read George Stringwells Radio Control Soaring discovered wasnt person fooling around offbeat Gliders people Out knew what doing have information could con tact learn about lightweights would ap preciate can see lightweights would fascinat ing study offband dont know anybody really anyone would care contact Greg address 3792 Mosswood Drive La fayette CA 94549 Newsletter exchange Soaring club newsletter ed itors wishing exchange other clubs vited send names month Ken STOP CRASHES.3 wkh new Optic Servo Driver System 7 7/ / / Flican Enterpuses Inc 265 Oxford Lane e Bloomingdale Illinois 60108 No other system can protect valuable model fleW State art Optic Servo System can crashes loss control glitches Using fiber optic technology can eliminate problem long servo Signal wires picking up spurious RFI-EMI signals can wreck havoc servos airplanes blood pressure works signal coming receiver processed invisible pulses infra-red light travel through fiber optic light pipe intoThe Optic Servo Driver comes driver circuit converted back electricalin 3 models signal also being boosted their____________________________________________ maximum strength Therefore servo 5 ft receiver signal wire long servo plugged directly receiver Heavy duty battery wires provided separate baltery pack filtered servo end installation straight forward easy Small size easily detached removing wing Order today Include $350 shipping Money order Visa Master Charge include espiration date check allow 20 days clear Sorry no CODs Send free catalog modeler safety supplies MODELDESCRIPTION PRICE 121A Single Unit 1 servo$2495 122A dual unit 2 Servos$3995 123A single unit 2 outputs flaps ailerons Oden Atlanta Soaring Association would like set up some exchanges clubs around country Kens address 1325 Winding Branch Circle Dunwoody GA 30338 Hying wing fans will enjoy Soartech edition No 7 Flying Wing Special first Soartech edited Herk Stokelys Tidewater clubmate Gene Dees Gene designer Icarosaur flying wing describes edition addition Genes piece de scriptions RC flying wings Ken Bates Noel Falconer Bob Thornburg weighty Performance Analysis Horten IV Flying Wing Dezo Gyorgyfalvy Missis sippi State University seems MSU obtained Horten after WW II flew 1959 ob tain flight performance data Michael Selig presents two new airfoils de signed flying wings Gene has another piece computer program finding CG loca tion flying wings also plotting variable r foils flying wings using Chuck Anderson Airfoil Plot program An offbeat item very scientific piece titled Gliding Flight Dog-Faced Bat Observed Wind Tunnel C J Pennycuick worth price two pieces Paul MacCready team Development Wing-Flapping Flying Replica Largest Plerosaur Dr Brooks et al Gossamer Condor Albatross Case Study Aircraft Design JD Burke lat ter piece contains detailed drawings both planes very interesting us follow ultra-lightweight aircraft engineering Soartech No 7 truly bargain $5 post paid US Canada $8 overseas Send check Herk Stokely 1504 Horseshoe Circle Virginia Beach VA 23451 Soartech No 8 will consist entirely re sults Michael Selig s wind-tunnel research RC Sailplane airfoils would good idea send $10 along Herk get Soartech No 7 now No 8 soon comes off press New Eppler airfoil book West German pub lisher Verlaf fur Technik und Handwerk re cently published new edition Modell-Technik-Berater series covering Ep pler airfoils new soft-cover 138-page book designated MTh 1/2 combines former MTh 1 MTB 2 editions contains new mate146 Model Aviation III O1orCOmpIet1ne Send SSAE catalog JET ENGINE SALE K i DYNAJETS $19900 Catalog $500 AL DOUE 4015 Bs Jacinto # 404 0 Houston Texas 77OO 713 0404744 LATNES M1iS MEIAS B00S -PRECISI0N INSTRJMENTS COMPLETE COTOOC 200 IIGOOs OF otees 1-~EMPIEU w ow S 100 M Seirne Rosa Sprefas1d lOss 45503 Compact 5513 3aB562 rial theory Dr Epplers airfoils de signed models plus offers advice applications obvious snag its printed entirely German makes heavy going us rather perfunctory knowledge German German/English dictionary aviation terms Soartech No 6 big help However understanding coordinates performance curves no problem want num bers well-known Epplers such E193 E205 E374 plus unknown ones like E47 1 undercambered E169 symmetrical book invaluable Quoting translation press release manual now published its 10th edi tiOn Completely revised combines previ ously published two volumes Eppler profiles Eppler profiles shown several thick nesses corresponding coordinates Also new polar diagrams Because expansion Dr Epplers calculations polars con tain bubble warnings instructions have totally revised brought up latest standards contain hints theory practice well usage instructions Also included extensive struction drawing profiles New profiles designed specifically large model gliders includedE66 E67 E68 book available Maddie Weiss Wilshire Model Center see ad $1995 plus postage should wish contact Verlag fur Technik directly address Postfach 1128 7570 Baden-Baden West Germany German kits Arnold Wratschko AMS Imports sent along catalog Bauer Modelle planes importing Bauer produces pretty full line Sailplane power ARF kits also have interesting-looking twin-boom Electric 385-meter wingspan since column Sailplaners lets stick subject catalog German Im certain about some construction details description says fuselages finished epoxy-glass white assume gel coat wings finished Im sure what five Gliders Arnold importing Variant 290 Dash 29-meter wingspan ailerons $291 Variant 300A Record 30-meter wingspan ailerons trailing edge air brakes $303 Super Variant 400A Contest 403-meter wingspan ailerons brakes T-tail $449 Mu 28 semiscale model Akaflied Munchen full-size experimental Sailplane model spans 30 meters sells $504 FS 25 Semi-Scale RC Grosmodell fur Ther snik und Hangflug big plane thermal slope flying spans 414 meters $546 havent seen Bauer planes sure look pretty catalog Arnold warns prices subject change according mark/dollar exchange rate Also boxes too large shipped UPS truck bus air freight has arranged Write AMS Imports 1110 5 Wells Ave Reno NV 89502 Phone 702 786-7733 1-800-752-7733 ord cr5 copy catalog $6 Byron Blokeslee 3134 Winnebago Dr Seda ha CO 8013S responding advertisers mention read about Model Aviation experience Great Performance Quartet DALOTEL SPAN 69 InsWING AREA 830 sq ins CHIPMUNK 850 SPAN 70 insWING AREA 850 sq ins KL SPAN 76 SPAN 72 ins EXTRA 230 WING AREA 900 sq ins ZLIN 526 WING AREA 900 sq ins 4 ALL BALSA ARFS AT ONE GREAT PRICE HOLIDAY SPECIAL -$185 ea available direct select hobby shops ZIMPRO MARKETINO 1 PO BOX 3076 OAK RIDGE TN 37830 PHONE 615-482-6188 December 1987 147 87 AMA HATS Highflghts Helicopter Championships includes FLY OFF * Now video tape either VHS BETA * $2695 add $190 Mail Memories Keep Video Productions 116 Grandview Fenton MO 83026 Dept WORCOS BIQOEST SCALE PHOTO S584C6 50000010 CKS PLANS 3 VISWS PHOTO-PACKS PLANS ENLARGING SASE EnteeSIng 5 S30O sctr PlANS awl PHOTO SERVICE 3209 MsdSoO Ges,sboo NC 27403 P5005 919 2925239 No Collect PAW DIESELS Englands Finest 049 35 R/C STD Send $100 t@ list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 MACHINE SHOP SUPPLIES ING MACHINES [5 LATHES AiiDGE TOOLS iflo / MACOINEeY AND lOOiS INC Fsr ehe IAviosiss Modeler 00 Boo 530-V iean WV 25020 562-3539 c,eIog also UNIMAT 3 FREE diII cheek Re a, SPECIAL FREE ireluhe FREE di , Save Over 09Q00 ALREADY FLYINGY BRAND NEW TRAINERS WITH RADIO AND ENGINE INSTALLED-Only $300 j FUTABA 4NLw/4S38 SERVOS 1 OTTS R/G PARADISE 80893542061 660 KAUMANA Dr HILOHi 967201 RIC Sailplanes Fully Built Two Meter Kits Covered -d~Rady radio $14800 UPSiSASE info AEROFAB FIR BOX 10 MORAN MICH 49700
Edition: Model Aviation - 1987/12
Page Numbers: 46, 47, 142, 143, 146, 147
Radio Control Soaring Byron Blakeslee ATTENTION Scale Slope Soarers Remember back bemoaning fact no Scale Slope Soaring events US Well Wil Byers Tn City Soarers Richland Kennewick Pasco WA have stepped breach will holding 1988 National Mid-Columbia RC Soaring Scale Fun-Fly Soaring Social May 27 28 29the Memorial Day weekend really great news because Scale Slope contests get-togethers very popular Europe have sorely neglected country Its undoubtedly chicken/egg situa tion no eventsno fliers no fliersno events Personally Id say Wil going about right way planning fun-fly Scale Power Scale fliers As Wils announcement puts No judging no rules no hassles Only fly ing looking swapping talking best non-contest will ever attend will raffles some nice merchandise Maddie Weiss Wilshire Model Center Jerry Slates Vi king Models have already signed Judging popularity other fun-fly events around country majority fliers prefer what like donot what organized contest tells must So think Scale fliers will come out kind event especially can plan year facing long drive southern Wash ington state fun-fly would good excuse plan vacation Pacific Northwest lot right Tn-Cities area As Wils attachment registration form puts area lies sun-drenched mid-Columbia basin has activities besides Sloping available include fishing golf wind surf ing water skiing camping backpacking wine tours river tours visiting historical sites Wil has lined up very nice-looking New Clover Island Inn special rates double $35 per night banquet will also entry $25 includes banquet Get complete details sending SASE Wil Byers 632 Meadows Drive East Riebland WA 99352 phone number 509 627-5224 Northern California Soaring League Back June 1987 column talked about some re gional Soaring associations creased fun Sailplaning getting people involved Ray McGowan Napa CA kind enough send letter have Soaring association northern California called Northern California Soaring League NCSL consists seven clubs Mo desto Radio Control Club Sierra Foothills Soar ing Society North Bay Soaring Society South Bay Soaring Society Delta Soaring Society Dia blo Valley Soaring Society Silverado Soaring Society membership seven clubs comes about 255 Ive president NCSL past seven years am also president Silverado Club NCSL has annual round robin con tests club set format format three- five- seven- nine-minute precision du ration landing bonus points end season champion established awards presented top 10 awards have nice silver trays silver wine cooler going champion son Bob won last year Also note past May 3 four Silverado members went Ocean Cliffs Point Reys National Seashore try eight-hour Slope task LSF Level 5 Tim McCann Don Doe Bob McGovern myself wife Texie Bobs wife Diana kept us company food LSF member Frank Fish kept us good spirits refreshmentsand official timekeeper Its grueling task no lack wind generally blowing 30 mph Per sonal fatigue keeping orientation main problems strain task sure showed 63 /2 years youngest pilot son Bob must have flown 160 miles plus doing stunts throughout whole eight hours Oh youth Two pilots Don Tim used Paragons C-cell alkaline airborne packs jumper packs transmitters Bob used original 82-in-span Eppler 205 wing Bob Cat fuselagealso C cells used two transmitters extra packs used parts two original ships 100-in Eppler 193 wing C cells ship plug-in external pack Silver Seven transmitter next day other members club came over annual beach picnic Slope Fly celebration Thanks NCSL info Bob congratu 46 Model Aviation four fliers just completed 8-hour LSF Level V flights L-R Bob McGowan Ray McGowan Frank Fish official timer Don Roe Tim McCann Site Point Reys National Seashore northern California Looks great Tony Arnoux Miami FL sent photos Roland Kerns 7-meter-wingspan thats 23 ft Grab Twin Astir Scale Sailplane Photo above L shows model next full-size craft Scale factor 125 model weighs 195 kilograms 43 lb Roland makes Rake line German Scale Sailpianes says Twin Astir built full glass-resin-plastic technology model Tony told us about August column launched using automobile-driven wheel winch lations eight-hour flights its easy Ocean Cliffs Level 4 country will heading Bob enclosed NCSL 1987 contest schedule has 33 contests January through December guy Frisco area willing drive could hit con test weekend Im sure SASE Ray would get info about NCSL con tests Rays address 2661 Adrian St Napa CA 94558 Any other regional associations like describe activities F3B World Champs recap champs Ach mer West Germany exciting experienceif soggy Its too bad weather poor because always wonder outcome would have different flying conditions better Nevertheless rather unanimous agreement Epsilon designed built flown Reinhard Liese Martin Schlott West German team advanced plane contest no doubt Reinhard worked hard victory relate story Neither Reinhard nor twotime World Champion RaIf Decker atten dance Saturday evening awards banquet both TV studio being interviewed West German national television kind illustrates seriously Germans feel about flying toy airplanes Anyway understand Reinhard told inter viewer works job eight hours day spends eight hours day F3B hobby lieve because planes absolutely flaw less flying obviously very practiced current European F3B champion also fact lot formidable competitors top ranks F3B world today Germans said have couple dozen fliers about good three team US team worked extremely hard com peted hard earned respect other teams Competitors talked often mentioned Americans have act together Also noted American team being first out practice sessions last ones back However its nature satisfied Continued page 142 Advanced Glider Concepts Jet-Styled Slope Socirers ng 1/64 ply sheeting Fiberglass fuselage balsa & linkages Full instructions 2-ch radio required PO Box 1019 Manhattan Beach CA 90266 Advanced Glider Concepts lii jets REPRODUCTION PARTS FOR ANTIQUE IGNITION ENGINES SPARK PLUGS TIMERS NEEDLE VALVES EXHAUST STACKS 4 POINTS TANKS COILS PROP DRIVES OVER 600 ITEMS FOR MORE THAN 60 ENGINES Send $300 IUSA & Canadal Catalog No 1 0 llnternational orders 1 MICRO MODEL ENGINEERING 1301 W LAFAYETTE ST STURGIS MI 49091 December 1987 47 Cover new edition book contains data Eppler airfoils avail able Wilshire Model Center Read column details NEW LITTLE GIANTS ULTRALOK* Travel Air 2000 Span 79 Length 58875 Wing Loading 14 lbs19 oz Introductory Price $15495 Travel Air D4000 D4D Span 785 Length 5675 Wing Loading 1 5 lbs z Clip Wing Span695 Introductory Price $17495 Fleet Model 2 Span 68 Length 51 Wing Loading 1 3 lbs z Introductory Price $15495 5 Sport Scale Miniature Aircraft Kighl Prefab Kit Form Featuring F TRALOK onsiriltI ion Techniques Super Fast Assembi able QO 2 vcle 2 Cubic Inch Gas Quarter Scale Travel Air2000 104 23 lbs Travel Air 4000 9925 lbs Mark 4 JB Special Convertible ow Wing 18 lbs 1 plan 2 versions Biplane 18 lbsI Fokker D-VII 88 German WWI Fighter Biplane 23 lbs Waco UPF-790 Biplane 23 lbs Sopwith Tripehound 80 WWt Triplane 17 lbs Sopwith Pup 80 WWI Biplane 20 lbs kits complete contain fiberglass parts preformed landing gear cabanas machined ft die cut wood full hardware package Plans included comprehensive construc tion manual containIng photos end additional drawings Full rIgging kits requIrIng lIttle skill IncludedAlso Available Preformed Landing Gear Cabanes ORDERING INFO orders shipped UPS Parcel Post Add $10 shipping charge Allow 4 weeks delivery Checks MO payable Bebrlan Corp fastest service send Postal Money Order bank check No COD orders Call write information NY State residents add appropriate sales tax * 1 Ti PDA FF117 internotched self-aligning goof-proof assembly method Construction fast simple ULJ 1IIt1LiL1I1 OU will able frame airplane about 25 hours Jerrq Belirens Air Kit Experts Behrlan Corp PO Box 174 Inwood NY 11696 718 337-6987 516 868-5194 pressed below wings surface acts same washin wing covered plas tic films correction imbalance needs done before covering fiberglass resintype finishes extra coat resin half can help especially applied near tip Resin doesnt evaporate volume substance added remains place making quite easy balance method Adding coats dope effort balance wing can quite frustrating weight changes due evaporation dope solvents over long period time much like try ing balance props adding coats anything evaporates common fault Scale models propen sity toward tail-heaviness Knowing weight balsa sheets workshop helps divert less weighty materials aft keep tail light Its too easy grab first sheet stack re gardless density just because looks good fact seem excellent-choice balsa un less weight-watchers warning warn us Carl Goldberg Models plant ob served kits being assembled skilled workers deft touch picked up pieces balsa end determine whether well suited intended purpose No doubt some modelers could same weighing tech nique eliminates guessing FIBERGLASS PARTS Over 237 cowls kit scratch built models Also over 34 round cowls ranging 4 1 4-7/8 diameter 55 duff size & shape wheel pants custom Make Parts Vacuum Form Canopies Please seed $1 complete flat T&D FIBERBLASS SPECIALTIES 30925 Block Dept 4 Garden city Ml 48135 PHONE 3131 421-6358 BRAZED & HEATIREAIEO WIRE GEARS & CABANES PHONE 1313261-9064 Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Soaring/Blakeslee Continued page 47 seventh place want com peting win 89 World Champion ships held home ground everyone agrees have work harder develop some new ideas Choosing entirely new group guys two yearshowever skilledis obviously get ting job done need programs spread formation F3B designs construction methods winches etc also need figure out get Sailplaners F3B-type flying en courage clubs hold events flown manon-man working time Fortunately Phil Renaud guys 87 team comtnitted continuing what have started helping new programs tf sufficient support form around country Eight people themselves cannot make win ning team supported team generously dollars 87 Champs Now need invest time thought well prepared 89 World Championships ideas would welcome Getting back Achmer moment first impression having watched 81 83 NE W US WWd 1 1WINUA6Rj KIT ONLY $7 95 MOVEABLE CONTROLS EASY ADJUSTMENT Hi PM TNi77 24 WI1VUSP4VI Wi DId 1r KIT ONLY $895 - - PECK UODILI EUUY DO FIVE MANY HARD TO FIND ITEMS FOR RUBBER MODELS - CPLEf CA FISH $2U Peck-Peymers BOX 2498 -MA LA MESA CA 92044 N...- PHONE t619 448-1818 142 Model Aviation championships overall pilot skills much better previous contests top half pilots outclassed bottom half Ach mer top half still betterbut much better teams knew what trying lacking equip ment experience top 10 pilots serious conten tion win top 20 very com petitive second impression airplane de signs have pretty much settled down influ ence RaIf Deckers planes very apparent Planes need about size need super strong get out modern slingshot-ping-zoom launch provided pow erful winches monofilament lines Sure subtle differences outward ap pearance planes pretty similar An interesting sidelight planes manufac tured Germany quite competitive Steve Work flew Comet made Hans Muller turned fastest Speed run contest 185 sec Herr Mullers planes feature wood wing skins over foam cores F/G Kevlar fuse lages workmanship simply beautiful Id like have hang living room objet dart Muller planes makes about 15 different ones can purchased country through Becker USA San Diego Write Dave Hice catalog 2820 Altaview Dr San -AlSO AEXONCA L16B/cHAI84 IN SPAN VULTEX BT-13 VALIANT 84 IN SPAIT K Full Kit $25000 $26000 $25000 $26000 $26000 $27500 $29000 $25000 AERONCA L3 FLYING SCAlESPORT NCA L3/EIHDER 105 IN 2 CYClE 90-13 II 4 CYClE 12-18 BOLIiD PlAN SETS-------- $20 EACH FIBERGlASS CGfLS------- *20 EACH ADD 12SHPINGNYS ADD 8TAX AERO PlANS elf PARTS PO BOX 939 OIEAN NY 14760 1 372 iego CA 92139 phone 619 234-1071 Hans pretty much custom-makes plane prospective purchasers would well talk Dave about exact setup want popular purchased plane about five flown Impuls Rowing Joris Ten Holt Netherlands flew seri ous shot win plane obviously strong has modern features including slipon nose cone way judge strength much wings move during ping/zoom part launch Its difficult understand wings stay during 40-G maneuvers Im puls others stay stiff board Roland Sominers Rowing planes imported exclusively US Wilshire Model Cen ter Maddie Weiss says Impuls expen sive about $1000 has brought However anyone seriously interested call Maddie 213 829-9362 talk about spe cial order third manufactured plane Albatros Fiber Glas Flugel Folks know about such things very impressed plane Fiber Glas Flugel does knowledge have US importer thing con tact directly Streichenweg 21 8218 Un terwossen West Germany price Germany around 1400 marks about $780 18 marks per dollar technical aspects championships will covered upcoming issue Model Aviation John Dvorak John newsletter editor South Bay Soaring Society Silent Flyer great newsletter John tells got some good pictures Achmer Im look ing forward article National Soaring SocietyPart Two piece intended September issue got carried away Maynard Hills electrostatic stabilizer editor ran out space chop Im sorry have caused because promised August column print NSS officers names addresses nextand December Also NSS stopped ad quite few have written enquire contact organization person write Secretary-Treasurer Cliff Oliver address shown below Heres summary information didnt make August column tried show Sailplaners fit Grand Scheme Things Model Aviation also discussed reasons having ganization look after interests model Soaring organization AMA has desig nated Special Interest Group Soaring RIC Idle-Bar Glow Plugs Long Short Only $189 Also. Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $149 Swanson Associates PO Box 151 Wayne NJ 948 07470 National Soaring Society may have heard some Sailplaners say dont like about NSS NSS doesnt fill blanksthat want Id bet five bucks folks never talked anybody NSS tell wonder ful ideas So public service list current NSS officers district same AMA districts vice-presidents gen tlemen dedicated making Soaring better hobby/sport will delighted talk about ideas likes dislikes etc dont need NSS member contact themjust Sailplaner interested improving Soaring President Pete Carr 329 Little Ave Ridg way PA 15853 Secretary-Treasurer Cliff Oliver 8151 Broadway San Antonio TX 78209 Executive VP Gene Shelkey 217 Euclid Ave Scottdale PA 15683 District VP Jim Tyrie 39 Smith Rd Bed ford NH 03102 District 2 VP Ray Juschkus 7 Evergreen Ave New Hyde Park NY 11040 District 3 VP Pete Carr 329 Little Ave Ridgway PA 15853 District 4 VP Woody Blanchard 1733 Beach Rd Hampton VA 23664 District S VP District 6 VP Roger Stegall 4585 Apollo Dr Rockford IL 61111 District 7 VP Al Scidmore 5013 Dorsett Dr Madison WI 53711 District 8 VP Marshall Long 824 Garden Meadow Universal City TX 78148 District 9 VP Mike Hickman 6270 Rabbit Ears Cir Colorado Springs CO 80919 District 10 VP Dave Darling 2705 Harvest Rd Modesto CA 95355 District 11 VP Director Large Ray Marvin 2781 5 Gar field Denver CO 80210 PS NSS members will voting posi tion president even-numbered dis trict VPs 1988 Also note districts 5 11 need volunteerwho wants have go Sailplaners own way wonderful thing about hobby/sport people can go about whatever way suits know magazine writers tend overemphasize com petition high-tech aspects Sailplaning Nats competitor probably 100 guys flying Gentle Ladies schoolyards farm fields So glad receive letter Greg Alioshin talks about special thing Continued page 146 2 WANNA RACE MADTLIAQT AREA BEGINNER RACES 0 FORM-i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION ll9 DEAN AVE FRANKLIN MASS 02038 Tel 617 528-4043 203 673-2000 THE LEADER IN COMPETITION NEW 4jL THP DESIGN DIAPRICE 12209 9 14479 15609 16909 NEW & 9 \ / i PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 728 3 3h 4 5 6179 o33456O189 645667199 94566A77/*199 104566A7209 106W8W209 106EW219 114677A7I7/8229 115W229 116EW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164/*N969 16678969 December 1987 143 PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 6677A8 677/28 677 8 67 678 RC PYLON RACING SERIES 500 DIA PITCHPRICE 7 5N 5/N279 8 6778299 SERIES 4000 866777289 9777289 W WIDE BLADE EW EXTRA WIDE 64Y4/1D RADIO CONTROL SHORTKITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1964 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENTI AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT IS HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-38 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 SHORT KITS IVCLUDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED ORDERING SEND CHECK OR MONEY ORDER FOR REGUIRED AMOUNT PLUS 450 PER KIT CANADIANS ADD $650 TO WING MFG RO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE 8i%4WG MEG SERIES AGM2 ZERO 54 SPAN P-40 TOMAHAWK 55 SPAN. 2995 P-39 AIRA COBRA 55 SPAN . 2995 P-Sb MUSTANG 54 SPAN . 2995 C202 FOLGORE 56 SPAN 5 FOCKE WULF 19054 SPAN. 2995 PHONE 815-459-0417 RC Soaring/Blakeslee Continued page 143 number years ago abandoned power took up Gliders time gave up contests found myself bucking tide like flying early morning evening working weak lift build light use wellseasoned hi-start Ive tried undercambered airfoils recently Gottingen 500 love bit nostalgia building frame mind old Free Flighters advantages knowledge today reason writing recently read George Stringwells Radio Control Soaring discovered wasnt person fooling around offbeat Gliders people Out knew what doing have information could con tact learn about lightweights would ap preciate can see lightweights would fascinat ing study offband dont know anybody really anyone would care contact Greg address 3792 Mosswood Drive La fayette CA 94549 Newsletter exchange Soaring club newsletter ed itors wishing exchange other clubs vited send names month Ken STOP CRASHES.3 wkh new Optic Servo Driver System 7 7/ / / Flican Enterpuses Inc 265 Oxford Lane e Bloomingdale Illinois 60108 No other system can protect valuable model fleW State art Optic Servo System can crashes loss control glitches Using fiber optic technology can eliminate problem long servo Signal wires picking up spurious RFI-EMI signals can wreck havoc servos airplanes blood pressure works signal coming receiver processed invisible pulses infra-red light travel through fiber optic light pipe intoThe Optic Servo Driver comes driver circuit converted back electricalin 3 models signal also being boosted their____________________________________________ maximum strength Therefore servo 5 ft receiver signal wire long servo plugged directly receiver Heavy duty battery wires provided separate baltery pack filtered servo end installation straight forward easy Small size easily detached removing wing Order today Include $350 shipping Money order Visa Master Charge include espiration date check allow 20 days clear Sorry no CODs Send free catalog modeler safety supplies MODELDESCRIPTION PRICE 121A Single Unit 1 servo$2495 122A dual unit 2 Servos$3995 123A single unit 2 outputs flaps ailerons Oden Atlanta Soaring Association would like set up some exchanges clubs around country Kens address 1325 Winding Branch Circle Dunwoody GA 30338 Hying wing fans will enjoy Soartech edition No 7 Flying Wing Special first Soartech edited Herk Stokelys Tidewater clubmate Gene Dees Gene designer Icarosaur flying wing describes edition addition Genes piece de scriptions RC flying wings Ken Bates Noel Falconer Bob Thornburg weighty Performance Analysis Horten IV Flying Wing Dezo Gyorgyfalvy Missis sippi State University seems MSU obtained Horten after WW II flew 1959 ob tain flight performance data Michael Selig presents two new airfoils de signed flying wings Gene has another piece computer program finding CG loca tion flying wings also plotting variable r foils flying wings using Chuck Anderson Airfoil Plot program An offbeat item very scientific piece titled Gliding Flight Dog-Faced Bat Observed Wind Tunnel C J Pennycuick worth price two pieces Paul MacCready team Development Wing-Flapping Flying Replica Largest Plerosaur Dr Brooks et al Gossamer Condor Albatross Case Study Aircraft Design JD Burke lat ter piece contains detailed drawings both planes very interesting us follow ultra-lightweight aircraft engineering Soartech No 7 truly bargain $5 post paid US Canada $8 overseas Send check Herk Stokely 1504 Horseshoe Circle Virginia Beach VA 23451 Soartech No 8 will consist entirely re sults Michael Selig s wind-tunnel research RC Sailplane airfoils would good idea send $10 along Herk get Soartech No 7 now No 8 soon comes off press New Eppler airfoil book West German pub lisher Verlaf fur Technik und Handwerk re cently published new edition Modell-Technik-Berater series covering Ep pler airfoils new soft-cover 138-page book designated MTh 1/2 combines former MTh 1 MTB 2 editions contains new mate146 Model Aviation III O1orCOmpIet1ne Send SSAE catalog JET ENGINE SALE K i DYNAJETS $19900 Catalog $500 AL DOUE 4015 Bs Jacinto # 404 0 Houston Texas 77OO 713 0404744 LATNES M1iS MEIAS B00S -PRECISI0N INSTRJMENTS COMPLETE COTOOC 200 IIGOOs OF otees 1-~EMPIEU w ow S 100 M Seirne Rosa Sprefas1d lOss 45503 Compact 5513 3aB562 rial theory Dr Epplers airfoils de signed models plus offers advice applications obvious snag its printed entirely German makes heavy going us rather perfunctory knowledge German German/English dictionary aviation terms Soartech No 6 big help However understanding coordinates performance curves no problem want num bers well-known Epplers such E193 E205 E374 plus unknown ones like E47 1 undercambered E169 symmetrical book invaluable Quoting translation press release manual now published its 10th edi tiOn Completely revised combines previ ously published two volumes Eppler profiles Eppler profiles shown several thick nesses corresponding coordinates Also new polar diagrams Because expansion Dr Epplers calculations polars con tain bubble warnings instructions have totally revised brought up latest standards contain hints theory practice well usage instructions Also included extensive struction drawing profiles New profiles designed specifically large model gliders includedE66 E67 E68 book available Maddie Weiss Wilshire Model Center see ad $1995 plus postage should wish contact Verlag fur Technik directly address Postfach 1128 7570 Baden-Baden West Germany German kits Arnold Wratschko AMS Imports sent along catalog Bauer Modelle planes importing Bauer produces pretty full line Sailplane power ARF kits also have interesting-looking twin-boom Electric 385-meter wingspan since column Sailplaners lets stick subject catalog German Im certain about some construction details description says fuselages finished epoxy-glass white assume gel coat wings finished Im sure what five Gliders Arnold importing Variant 290 Dash 29-meter wingspan ailerons $291 Variant 300A Record 30-meter wingspan ailerons trailing edge air brakes $303 Super Variant 400A Contest 403-meter wingspan ailerons brakes T-tail $449 Mu 28 semiscale model Akaflied Munchen full-size experimental Sailplane model spans 30 meters sells $504 FS 25 Semi-Scale RC Grosmodell fur Ther snik und Hangflug big plane thermal slope flying spans 414 meters $546 havent seen Bauer planes sure look pretty catalog Arnold warns prices subject change according mark/dollar exchange rate Also boxes too large shipped UPS truck bus air freight has arranged Write AMS Imports 1110 5 Wells Ave Reno NV 89502 Phone 702 786-7733 1-800-752-7733 ord cr5 copy catalog $6 Byron Blokeslee 3134 Winnebago Dr Seda ha CO 8013S responding advertisers mention read about Model Aviation experience Great Performance Quartet DALOTEL SPAN 69 InsWING AREA 830 sq ins CHIPMUNK 850 SPAN 70 insWING AREA 850 sq ins KL SPAN 76 SPAN 72 ins EXTRA 230 WING AREA 900 sq ins ZLIN 526 WING AREA 900 sq ins 4 ALL BALSA ARFS AT ONE GREAT PRICE HOLIDAY SPECIAL -$185 ea available direct select hobby shops ZIMPRO MARKETINO 1 PO BOX 3076 OAK RIDGE TN 37830 PHONE 615-482-6188 December 1987 147 87 AMA HATS Highflghts Helicopter Championships includes FLY OFF * Now video tape either VHS BETA * $2695 add $190 Mail Memories Keep Video Productions 116 Grandview Fenton MO 83026 Dept WORCOS BIQOEST SCALE PHOTO S584C6 50000010 CKS PLANS 3 VISWS PHOTO-PACKS PLANS ENLARGING SASE EnteeSIng 5 S30O sctr PlANS awl PHOTO SERVICE 3209 MsdSoO Ges,sboo NC 27403 P5005 919 2925239 No Collect PAW DIESELS Englands Finest 049 35 R/C STD Send $100 t@ list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 MACHINE SHOP SUPPLIES ING MACHINES [5 LATHES AiiDGE TOOLS iflo / MACOINEeY AND lOOiS INC Fsr ehe IAviosiss Modeler 00 Boo 530-V iean WV 25020 562-3539 c,eIog also UNIMAT 3 FREE diII cheek Re a, SPECIAL FREE ireluhe FREE di , Save Over 09Q00 ALREADY FLYINGY BRAND NEW TRAINERS WITH RADIO AND ENGINE INSTALLED-Only $300 j FUTABA 4NLw/4S38 SERVOS 1 OTTS R/G PARADISE 80893542061 660 KAUMANA Dr HILOHi 967201 RIC Sailplanes Fully Built Two Meter Kits Covered -d~Rady radio $14800 UPSiSASE info AEROFAB FIR BOX 10 MORAN MICH 49700
Edition: Model Aviation - 1987/12
Page Numbers: 46, 47, 142, 143, 146, 147
Radio Control Soaring Byron Blakeslee ATTENTION Scale Slope Soarers Remember back bemoaning fact no Scale Slope Soaring events US Well Wil Byers Tn City Soarers Richland Kennewick Pasco WA have stepped breach will holding 1988 National Mid-Columbia RC Soaring Scale Fun-Fly Soaring Social May 27 28 29the Memorial Day weekend really great news because Scale Slope contests get-togethers very popular Europe have sorely neglected country Its undoubtedly chicken/egg situa tion no eventsno fliers no fliersno events Personally Id say Wil going about right way planning fun-fly Scale Power Scale fliers As Wils announcement puts No judging no rules no hassles Only fly ing looking swapping talking best non-contest will ever attend will raffles some nice merchandise Maddie Weiss Wilshire Model Center Jerry Slates Vi king Models have already signed Judging popularity other fun-fly events around country majority fliers prefer what like donot what organized contest tells must So think Scale fliers will come out kind event especially can plan year facing long drive southern Wash ington state fun-fly would good excuse plan vacation Pacific Northwest lot right Tn-Cities area As Wils attachment registration form puts area lies sun-drenched mid-Columbia basin has activities besides Sloping available include fishing golf wind surf ing water skiing camping backpacking wine tours river tours visiting historical sites Wil has lined up very nice-looking New Clover Island Inn special rates double $35 per night banquet will also entry $25 includes banquet Get complete details sending SASE Wil Byers 632 Meadows Drive East Riebland WA 99352 phone number 509 627-5224 Northern California Soaring League Back June 1987 column talked about some re gional Soaring associations creased fun Sailplaning getting people involved Ray McGowan Napa CA kind enough send letter have Soaring association northern California called Northern California Soaring League NCSL consists seven clubs Mo desto Radio Control Club Sierra Foothills Soar ing Society North Bay Soaring Society South Bay Soaring Society Delta Soaring Society Dia blo Valley Soaring Society Silverado Soaring Society membership seven clubs comes about 255 Ive president NCSL past seven years am also president Silverado Club NCSL has annual round robin con tests club set format format three- five- seven- nine-minute precision du ration landing bonus points end season champion established awards presented top 10 awards have nice silver trays silver wine cooler going champion son Bob won last year Also note past May 3 four Silverado members went Ocean Cliffs Point Reys National Seashore try eight-hour Slope task LSF Level 5 Tim McCann Don Doe Bob McGovern myself wife Texie Bobs wife Diana kept us company food LSF member Frank Fish kept us good spirits refreshmentsand official timekeeper Its grueling task no lack wind generally blowing 30 mph Per sonal fatigue keeping orientation main problems strain task sure showed 63 /2 years youngest pilot son Bob must have flown 160 miles plus doing stunts throughout whole eight hours Oh youth Two pilots Don Tim used Paragons C-cell alkaline airborne packs jumper packs transmitters Bob used original 82-in-span Eppler 205 wing Bob Cat fuselagealso C cells used two transmitters extra packs used parts two original ships 100-in Eppler 193 wing C cells ship plug-in external pack Silver Seven transmitter next day other members club came over annual beach picnic Slope Fly celebration Thanks NCSL info Bob congratu 46 Model Aviation four fliers just completed 8-hour LSF Level V flights L-R Bob McGowan Ray McGowan Frank Fish official timer Don Roe Tim McCann Site Point Reys National Seashore northern California Looks great Tony Arnoux Miami FL sent photos Roland Kerns 7-meter-wingspan thats 23 ft Grab Twin Astir Scale Sailplane Photo above L shows model next full-size craft Scale factor 125 model weighs 195 kilograms 43 lb Roland makes Rake line German Scale Sailpianes says Twin Astir built full glass-resin-plastic technology model Tony told us about August column launched using automobile-driven wheel winch lations eight-hour flights its easy Ocean Cliffs Level 4 country will heading Bob enclosed NCSL 1987 contest schedule has 33 contests January through December guy Frisco area willing drive could hit con test weekend Im sure SASE Ray would get info about NCSL con tests Rays address 2661 Adrian St Napa CA 94558 Any other regional associations like describe activities F3B World Champs recap champs Ach mer West Germany exciting experienceif soggy Its too bad weather poor because always wonder outcome would have different flying conditions better Nevertheless rather unanimous agreement Epsilon designed built flown Reinhard Liese Martin Schlott West German team advanced plane contest no doubt Reinhard worked hard victory relate story Neither Reinhard nor twotime World Champion RaIf Decker atten dance Saturday evening awards banquet both TV studio being interviewed West German national television kind illustrates seriously Germans feel about flying toy airplanes Anyway understand Reinhard told inter viewer works job eight hours day spends eight hours day F3B hobby lieve because planes absolutely flaw less flying obviously very practiced current European F3B champion also fact lot formidable competitors top ranks F3B world today Germans said have couple dozen fliers about good three team US team worked extremely hard com peted hard earned respect other teams Competitors talked often mentioned Americans have act together Also noted American team being first out practice sessions last ones back However its nature satisfied Continued page 142 Advanced Glider Concepts Jet-Styled Slope Socirers ng 1/64 ply sheeting Fiberglass fuselage balsa & linkages Full instructions 2-ch radio required PO Box 1019 Manhattan Beach CA 90266 Advanced Glider Concepts lii jets REPRODUCTION PARTS FOR ANTIQUE IGNITION ENGINES SPARK PLUGS TIMERS NEEDLE VALVES EXHAUST STACKS 4 POINTS TANKS COILS PROP DRIVES OVER 600 ITEMS FOR MORE THAN 60 ENGINES Send $300 IUSA & Canadal Catalog No 1 0 llnternational orders 1 MICRO MODEL ENGINEERING 1301 W LAFAYETTE ST STURGIS MI 49091 December 1987 47 Cover new edition book contains data Eppler airfoils avail able Wilshire Model Center Read column details NEW LITTLE GIANTS ULTRALOK* Travel Air 2000 Span 79 Length 58875 Wing Loading 14 lbs19 oz Introductory Price $15495 Travel Air D4000 D4D Span 785 Length 5675 Wing Loading 1 5 lbs z Clip Wing Span695 Introductory Price $17495 Fleet Model 2 Span 68 Length 51 Wing Loading 1 3 lbs z Introductory Price $15495 5 Sport Scale Miniature Aircraft Kighl Prefab Kit Form Featuring F TRALOK onsiriltI ion Techniques Super Fast Assembi able QO 2 vcle 2 Cubic Inch Gas Quarter Scale Travel Air2000 104 23 lbs Travel Air 4000 9925 lbs Mark 4 JB Special Convertible ow Wing 18 lbs 1 plan 2 versions Biplane 18 lbsI Fokker D-VII 88 German WWI Fighter Biplane 23 lbs Waco UPF-790 Biplane 23 lbs Sopwith Tripehound 80 WWt Triplane 17 lbs Sopwith Pup 80 WWI Biplane 20 lbs kits complete contain fiberglass parts preformed landing gear cabanas machined ft die cut wood full hardware package Plans included comprehensive construc tion manual containIng photos end additional drawings Full rIgging kits requIrIng lIttle skill IncludedAlso Available Preformed Landing Gear Cabanes ORDERING INFO orders shipped UPS Parcel Post Add $10 shipping charge Allow 4 weeks delivery Checks MO payable Bebrlan Corp fastest service send Postal Money Order bank check No COD orders Call write information NY State residents add appropriate sales tax * 1 Ti PDA FF117 internotched self-aligning goof-proof assembly method Construction fast simple ULJ 1IIt1LiL1I1 OU will able frame airplane about 25 hours Jerrq Belirens Air Kit Experts Behrlan Corp PO Box 174 Inwood NY 11696 718 337-6987 516 868-5194 pressed below wings surface acts same washin wing covered plas tic films correction imbalance needs done before covering fiberglass resintype finishes extra coat resin half can help especially applied near tip Resin doesnt evaporate volume substance added remains place making quite easy balance method Adding coats dope effort balance wing can quite frustrating weight changes due evaporation dope solvents over long period time much like try ing balance props adding coats anything evaporates common fault Scale models propen sity toward tail-heaviness Knowing weight balsa sheets workshop helps divert less weighty materials aft keep tail light Its too easy grab first sheet stack re gardless density just because looks good fact seem excellent-choice balsa un less weight-watchers warning warn us Carl Goldberg Models plant ob served kits being assembled skilled workers deft touch picked up pieces balsa end determine whether well suited intended purpose No doubt some modelers could same weighing tech nique eliminates guessing FIBERGLASS PARTS Over 237 cowls kit scratch built models Also over 34 round cowls ranging 4 1 4-7/8 diameter 55 duff size & shape wheel pants custom Make Parts Vacuum Form Canopies Please seed $1 complete flat T&D FIBERBLASS SPECIALTIES 30925 Block Dept 4 Garden city Ml 48135 PHONE 3131 421-6358 BRAZED & HEATIREAIEO WIRE GEARS & CABANES PHONE 1313261-9064 Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Soaring/Blakeslee Continued page 47 seventh place want com peting win 89 World Champion ships held home ground everyone agrees have work harder develop some new ideas Choosing entirely new group guys two yearshowever skilledis obviously get ting job done need programs spread formation F3B designs construction methods winches etc also need figure out get Sailplaners F3B-type flying en courage clubs hold events flown manon-man working time Fortunately Phil Renaud guys 87 team comtnitted continuing what have started helping new programs tf sufficient support form around country Eight people themselves cannot make win ning team supported team generously dollars 87 Champs Now need invest time thought well prepared 89 World Championships ideas would welcome Getting back Achmer moment first impression having watched 81 83 NE W US WWd 1 1WINUA6Rj KIT ONLY $7 95 MOVEABLE CONTROLS EASY ADJUSTMENT Hi PM TNi77 24 WI1VUSP4VI Wi DId 1r KIT ONLY $895 - - PECK UODILI EUUY DO FIVE MANY HARD TO FIND ITEMS FOR RUBBER MODELS - CPLEf CA FISH $2U Peck-Peymers BOX 2498 -MA LA MESA CA 92044 N...- PHONE t619 448-1818 142 Model Aviation championships overall pilot skills much better previous contests top half pilots outclassed bottom half Ach mer top half still betterbut much better teams knew what trying lacking equip ment experience top 10 pilots serious conten tion win top 20 very com petitive second impression airplane de signs have pretty much settled down influ ence RaIf Deckers planes very apparent Planes need about size need super strong get out modern slingshot-ping-zoom launch provided pow erful winches monofilament lines Sure subtle differences outward ap pearance planes pretty similar An interesting sidelight planes manufac tured Germany quite competitive Steve Work flew Comet made Hans Muller turned fastest Speed run contest 185 sec Herr Mullers planes feature wood wing skins over foam cores F/G Kevlar fuse lages workmanship simply beautiful Id like have hang living room objet dart Muller planes makes about 15 different ones can purchased country through Becker USA San Diego Write Dave Hice catalog 2820 Altaview Dr San -AlSO AEXONCA L16B/cHAI84 IN SPAN VULTEX BT-13 VALIANT 84 IN SPAIT K Full Kit $25000 $26000 $25000 $26000 $26000 $27500 $29000 $25000 AERONCA L3 FLYING SCAlESPORT NCA L3/EIHDER 105 IN 2 CYClE 90-13 II 4 CYClE 12-18 BOLIiD PlAN SETS-------- $20 EACH FIBERGlASS CGfLS------- *20 EACH ADD 12SHPINGNYS ADD 8TAX AERO PlANS elf PARTS PO BOX 939 OIEAN NY 14760 1 372 iego CA 92139 phone 619 234-1071 Hans pretty much custom-makes plane prospective purchasers would well talk Dave about exact setup want popular purchased plane about five flown Impuls Rowing Joris Ten Holt Netherlands flew seri ous shot win plane obviously strong has modern features including slipon nose cone way judge strength much wings move during ping/zoom part launch Its difficult understand wings stay during 40-G maneuvers Im puls others stay stiff board Roland Sominers Rowing planes imported exclusively US Wilshire Model Cen ter Maddie Weiss says Impuls expen sive about $1000 has brought However anyone seriously interested call Maddie 213 829-9362 talk about spe cial order third manufactured plane Albatros Fiber Glas Flugel Folks know about such things very impressed plane Fiber Glas Flugel does knowledge have US importer thing con tact directly Streichenweg 21 8218 Un terwossen West Germany price Germany around 1400 marks about $780 18 marks per dollar technical aspects championships will covered upcoming issue Model Aviation John Dvorak John newsletter editor South Bay Soaring Society Silent Flyer great newsletter John tells got some good pictures Achmer Im look ing forward article National Soaring SocietyPart Two piece intended September issue got carried away Maynard Hills electrostatic stabilizer editor ran out space chop Im sorry have caused because promised August column print NSS officers names addresses nextand December Also NSS stopped ad quite few have written enquire contact organization person write Secretary-Treasurer Cliff Oliver address shown below Heres summary information didnt make August column tried show Sailplaners fit Grand Scheme Things Model Aviation also discussed reasons having ganization look after interests model Soaring organization AMA has desig nated Special Interest Group Soaring RIC Idle-Bar Glow Plugs Long Short Only $189 Also. Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $149 Swanson Associates PO Box 151 Wayne NJ 948 07470 National Soaring Society may have heard some Sailplaners say dont like about NSS NSS doesnt fill blanksthat want Id bet five bucks folks never talked anybody NSS tell wonder ful ideas So public service list current NSS officers district same AMA districts vice-presidents gen tlemen dedicated making Soaring better hobby/sport will delighted talk about ideas likes dislikes etc dont need NSS member contact themjust Sailplaner interested improving Soaring President Pete Carr 329 Little Ave Ridg way PA 15853 Secretary-Treasurer Cliff Oliver 8151 Broadway San Antonio TX 78209 Executive VP Gene Shelkey 217 Euclid Ave Scottdale PA 15683 District VP Jim Tyrie 39 Smith Rd Bed ford NH 03102 District 2 VP Ray Juschkus 7 Evergreen Ave New Hyde Park NY 11040 District 3 VP Pete Carr 329 Little Ave Ridgway PA 15853 District 4 VP Woody Blanchard 1733 Beach Rd Hampton VA 23664 District S VP District 6 VP Roger Stegall 4585 Apollo Dr Rockford IL 61111 District 7 VP Al Scidmore 5013 Dorsett Dr Madison WI 53711 District 8 VP Marshall Long 824 Garden Meadow Universal City TX 78148 District 9 VP Mike Hickman 6270 Rabbit Ears Cir Colorado Springs CO 80919 District 10 VP Dave Darling 2705 Harvest Rd Modesto CA 95355 District 11 VP Director Large Ray Marvin 2781 5 Gar field Denver CO 80210 PS NSS members will voting posi tion president even-numbered dis trict VPs 1988 Also note districts 5 11 need volunteerwho wants have go Sailplaners own way wonderful thing about hobby/sport people can go about whatever way suits know magazine writers tend overemphasize com petition high-tech aspects Sailplaning Nats competitor probably 100 guys flying Gentle Ladies schoolyards farm fields So glad receive letter Greg Alioshin talks about special thing Continued page 146 2 WANNA RACE MADTLIAQT AREA BEGINNER RACES 0 FORM-i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION ll9 DEAN AVE FRANKLIN MASS 02038 Tel 617 528-4043 203 673-2000 THE LEADER IN COMPETITION NEW 4jL THP DESIGN DIAPRICE 12209 9 14479 15609 16909 NEW & 9 \ / i PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 728 3 3h 4 5 6179 o33456O189 645667199 94566A77/*199 104566A7209 106W8W209 106EW219 114677A7I7/8229 115W229 116EW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164/*N969 16678969 December 1987 143 PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 6677A8 677/28 677 8 67 678 RC PYLON RACING SERIES 500 DIA PITCHPRICE 7 5N 5/N279 8 6778299 SERIES 4000 866777289 9777289 W WIDE BLADE EW EXTRA WIDE 64Y4/1D RADIO CONTROL SHORTKITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1964 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENTI AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT IS HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-38 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 SHORT KITS IVCLUDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED ORDERING SEND CHECK OR MONEY ORDER FOR REGUIRED AMOUNT PLUS 450 PER KIT CANADIANS ADD $650 TO WING MFG RO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE 8i%4WG MEG SERIES AGM2 ZERO 54 SPAN P-40 TOMAHAWK 55 SPAN. 2995 P-39 AIRA COBRA 55 SPAN . 2995 P-Sb MUSTANG 54 SPAN . 2995 C202 FOLGORE 56 SPAN 5 FOCKE WULF 19054 SPAN. 2995 PHONE 815-459-0417 RC Soaring/Blakeslee Continued page 143 number years ago abandoned power took up Gliders time gave up contests found myself bucking tide like flying early morning evening working weak lift build light use wellseasoned hi-start Ive tried undercambered airfoils recently Gottingen 500 love bit nostalgia building frame mind old Free Flighters advantages knowledge today reason writing recently read George Stringwells Radio Control Soaring discovered wasnt person fooling around offbeat Gliders people Out knew what doing have information could con tact learn about lightweights would ap preciate can see lightweights would fascinat ing study offband dont know anybody really anyone would care contact Greg address 3792 Mosswood Drive La fayette CA 94549 Newsletter exchange Soaring club newsletter ed itors wishing exchange other clubs vited send names month Ken STOP CRASHES.3 wkh new Optic Servo Driver System 7 7/ / / Flican Enterpuses Inc 265 Oxford Lane e Bloomingdale Illinois 60108 No other system can protect valuable model fleW State art Optic Servo System can crashes loss control glitches Using fiber optic technology can eliminate problem long servo Signal wires picking up spurious RFI-EMI signals can wreck havoc servos airplanes blood pressure works signal coming receiver processed invisible pulses infra-red light travel through fiber optic light pipe intoThe Optic Servo Driver comes driver circuit converted back electricalin 3 models signal also being boosted their____________________________________________ maximum strength Therefore servo 5 ft receiver signal wire long servo plugged directly receiver Heavy duty battery wires provided separate baltery pack filtered servo end installation straight forward easy Small size easily detached removing wing Order today Include $350 shipping Money order Visa Master Charge include espiration date check allow 20 days clear Sorry no CODs Send free catalog modeler safety supplies MODELDESCRIPTION PRICE 121A Single Unit 1 servo$2495 122A dual unit 2 Servos$3995 123A single unit 2 outputs flaps ailerons Oden Atlanta Soaring Association would like set up some exchanges clubs around country Kens address 1325 Winding Branch Circle Dunwoody GA 30338 Hying wing fans will enjoy Soartech edition No 7 Flying Wing Special first Soartech edited Herk Stokelys Tidewater clubmate Gene Dees Gene designer Icarosaur flying wing describes edition addition Genes piece de scriptions RC flying wings Ken Bates Noel Falconer Bob Thornburg weighty Performance Analysis Horten IV Flying Wing Dezo Gyorgyfalvy Missis sippi State University seems MSU obtained Horten after WW II flew 1959 ob tain flight performance data Michael Selig presents two new airfoils de signed flying wings Gene has another piece computer program finding CG loca tion flying wings also plotting variable r foils flying wings using Chuck Anderson Airfoil Plot program An offbeat item very scientific piece titled Gliding Flight Dog-Faced Bat Observed Wind Tunnel C J Pennycuick worth price two pieces Paul MacCready team Development Wing-Flapping Flying Replica Largest Plerosaur Dr Brooks et al Gossamer Condor Albatross Case Study Aircraft Design JD Burke lat ter piece contains detailed drawings both planes very interesting us follow ultra-lightweight aircraft engineering Soartech No 7 truly bargain $5 post paid US Canada $8 overseas Send check Herk Stokely 1504 Horseshoe Circle Virginia Beach VA 23451 Soartech No 8 will consist entirely re sults Michael Selig s wind-tunnel research RC Sailplane airfoils would good idea send $10 along Herk get Soartech No 7 now No 8 soon comes off press New Eppler airfoil book West German pub lisher Verlaf fur Technik und Handwerk re cently published new edition Modell-Technik-Berater series covering Ep pler airfoils new soft-cover 138-page book designated MTh 1/2 combines former MTh 1 MTB 2 editions contains new mate146 Model Aviation III O1orCOmpIet1ne Send SSAE catalog JET ENGINE SALE K i DYNAJETS $19900 Catalog $500 AL DOUE 4015 Bs Jacinto # 404 0 Houston Texas 77OO 713 0404744 LATNES M1iS MEIAS B00S -PRECISI0N INSTRJMENTS COMPLETE COTOOC 200 IIGOOs OF otees 1-~EMPIEU w ow S 100 M Seirne Rosa Sprefas1d lOss 45503 Compact 5513 3aB562 rial theory Dr Epplers airfoils de signed models plus offers advice applications obvious snag its printed entirely German makes heavy going us rather perfunctory knowledge German German/English dictionary aviation terms Soartech No 6 big help However understanding coordinates performance curves no problem want num bers well-known Epplers such E193 E205 E374 plus unknown ones like E47 1 undercambered E169 symmetrical book invaluable Quoting translation press release manual now published its 10th edi tiOn Completely revised combines previ ously published two volumes Eppler profiles Eppler profiles shown several thick nesses corresponding coordinates Also new polar diagrams Because expansion Dr Epplers calculations polars con tain bubble warnings instructions have totally revised brought up latest standards contain hints theory practice well usage instructions Also included extensive struction drawing profiles New profiles designed specifically large model gliders includedE66 E67 E68 book available Maddie Weiss Wilshire Model Center see ad $1995 plus postage should wish contact Verlag fur Technik directly address Postfach 1128 7570 Baden-Baden West Germany German kits Arnold Wratschko AMS Imports sent along catalog Bauer Modelle planes importing Bauer produces pretty full line Sailplane power ARF kits also have interesting-looking twin-boom Electric 385-meter wingspan since column Sailplaners lets stick subject catalog German Im certain about some construction details description says fuselages finished epoxy-glass white assume gel coat wings finished Im sure what five Gliders Arnold importing Variant 290 Dash 29-meter wingspan ailerons $291 Variant 300A Record 30-meter wingspan ailerons trailing edge air brakes $303 Super Variant 400A Contest 403-meter wingspan ailerons brakes T-tail $449 Mu 28 semiscale model Akaflied Munchen full-size experimental Sailplane model spans 30 meters sells $504 FS 25 Semi-Scale RC Grosmodell fur Ther snik und Hangflug big plane thermal slope flying spans 414 meters $546 havent seen Bauer planes sure look pretty catalog Arnold warns prices subject change according mark/dollar exchange rate Also boxes too large shipped UPS truck bus air freight has arranged Write AMS Imports 1110 5 Wells Ave Reno NV 89502 Phone 702 786-7733 1-800-752-7733 ord cr5 copy catalog $6 Byron Blokeslee 3134 Winnebago Dr Seda ha CO 8013S responding advertisers mention read about Model Aviation experience Great Performance Quartet DALOTEL SPAN 69 InsWING AREA 830 sq ins CHIPMUNK 850 SPAN 70 insWING AREA 850 sq ins KL SPAN 76 SPAN 72 ins EXTRA 230 WING AREA 900 sq ins ZLIN 526 WING AREA 900 sq ins 4 ALL BALSA ARFS AT ONE GREAT PRICE HOLIDAY SPECIAL -$185 ea available direct select hobby shops ZIMPRO MARKETINO 1 PO BOX 3076 OAK RIDGE TN 37830 PHONE 615-482-6188 December 1987 147 87 AMA HATS Highflghts Helicopter Championships includes FLY OFF * Now video tape either VHS BETA * $2695 add $190 Mail Memories Keep Video Productions 116 Grandview Fenton MO 83026 Dept WORCOS BIQOEST SCALE PHOTO S584C6 50000010 CKS PLANS 3 VISWS PHOTO-PACKS PLANS ENLARGING SASE EnteeSIng 5 S30O sctr PlANS awl PHOTO SERVICE 3209 MsdSoO Ges,sboo NC 27403 P5005 919 2925239 No Collect PAW DIESELS Englands Finest 049 35 R/C STD Send $100 t@ list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 MACHINE SHOP SUPPLIES ING MACHINES [5 LATHES AiiDGE TOOLS iflo / MACOINEeY AND lOOiS INC Fsr ehe IAviosiss Modeler 00 Boo 530-V iean WV 25020 562-3539 c,eIog also UNIMAT 3 FREE diII cheek Re a, SPECIAL FREE ireluhe FREE di , Save Over 09Q00 ALREADY FLYINGY BRAND NEW TRAINERS WITH RADIO AND ENGINE INSTALLED-Only $300 j FUTABA 4NLw/4S38 SERVOS 1 OTTS R/G PARADISE 80893542061 660 KAUMANA Dr HILOHi 967201 RIC Sailplanes Fully Built Two Meter Kits Covered -d~Rady radio $14800 UPSiSASE info AEROFAB FIR BOX 10 MORAN MICH 49700
Edition: Model Aviation - 1987/12
Page Numbers: 46, 47, 142, 143, 146, 147
Radio Control Soaring Byron Blakeslee ATTENTION Scale Slope Soarers Remember back bemoaning fact no Scale Slope Soaring events US Well Wil Byers Tn City Soarers Richland Kennewick Pasco WA have stepped breach will holding 1988 National Mid-Columbia RC Soaring Scale Fun-Fly Soaring Social May 27 28 29the Memorial Day weekend really great news because Scale Slope contests get-togethers very popular Europe have sorely neglected country Its undoubtedly chicken/egg situa tion no eventsno fliers no fliersno events Personally Id say Wil going about right way planning fun-fly Scale Power Scale fliers As Wils announcement puts No judging no rules no hassles Only fly ing looking swapping talking best non-contest will ever attend will raffles some nice merchandise Maddie Weiss Wilshire Model Center Jerry Slates Vi king Models have already signed Judging popularity other fun-fly events around country majority fliers prefer what like donot what organized contest tells must So think Scale fliers will come out kind event especially can plan year facing long drive southern Wash ington state fun-fly would good excuse plan vacation Pacific Northwest lot right Tn-Cities area As Wils attachment registration form puts area lies sun-drenched mid-Columbia basin has activities besides Sloping available include fishing golf wind surf ing water skiing camping backpacking wine tours river tours visiting historical sites Wil has lined up very nice-looking New Clover Island Inn special rates double $35 per night banquet will also entry $25 includes banquet Get complete details sending SASE Wil Byers 632 Meadows Drive East Riebland WA 99352 phone number 509 627-5224 Northern California Soaring League Back June 1987 column talked about some re gional Soaring associations creased fun Sailplaning getting people involved Ray McGowan Napa CA kind enough send letter have Soaring association northern California called Northern California Soaring League NCSL consists seven clubs Mo desto Radio Control Club Sierra Foothills Soar ing Society North Bay Soaring Society South Bay Soaring Society Delta Soaring Society Dia blo Valley Soaring Society Silverado Soaring Society membership seven clubs comes about 255 Ive president NCSL past seven years am also president Silverado Club NCSL has annual round robin con tests club set format format three- five- seven- nine-minute precision du ration landing bonus points end season champion established awards presented top 10 awards have nice silver trays silver wine cooler going champion son Bob won last year Also note past May 3 four Silverado members went Ocean Cliffs Point Reys National Seashore try eight-hour Slope task LSF Level 5 Tim McCann Don Doe Bob McGovern myself wife Texie Bobs wife Diana kept us company food LSF member Frank Fish kept us good spirits refreshmentsand official timekeeper Its grueling task no lack wind generally blowing 30 mph Per sonal fatigue keeping orientation main problems strain task sure showed 63 /2 years youngest pilot son Bob must have flown 160 miles plus doing stunts throughout whole eight hours Oh youth Two pilots Don Tim used Paragons C-cell alkaline airborne packs jumper packs transmitters Bob used original 82-in-span Eppler 205 wing Bob Cat fuselagealso C cells used two transmitters extra packs used parts two original ships 100-in Eppler 193 wing C cells ship plug-in external pack Silver Seven transmitter next day other members club came over annual beach picnic Slope Fly celebration Thanks NCSL info Bob congratu 46 Model Aviation four fliers just completed 8-hour LSF Level V flights L-R Bob McGowan Ray McGowan Frank Fish official timer Don Roe Tim McCann Site Point Reys National Seashore northern California Looks great Tony Arnoux Miami FL sent photos Roland Kerns 7-meter-wingspan thats 23 ft Grab Twin Astir Scale Sailplane Photo above L shows model next full-size craft Scale factor 125 model weighs 195 kilograms 43 lb Roland makes Rake line German Scale Sailpianes says Twin Astir built full glass-resin-plastic technology model Tony told us about August column launched using automobile-driven wheel winch lations eight-hour flights its easy Ocean Cliffs Level 4 country will heading Bob enclosed NCSL 1987 contest schedule has 33 contests January through December guy Frisco area willing drive could hit con test weekend Im sure SASE Ray would get info about NCSL con tests Rays address 2661 Adrian St Napa CA 94558 Any other regional associations like describe activities F3B World Champs recap champs Ach mer West Germany exciting experienceif soggy Its too bad weather poor because always wonder outcome would have different flying conditions better Nevertheless rather unanimous agreement Epsilon designed built flown Reinhard Liese Martin Schlott West German team advanced plane contest no doubt Reinhard worked hard victory relate story Neither Reinhard nor twotime World Champion RaIf Decker atten dance Saturday evening awards banquet both TV studio being interviewed West German national television kind illustrates seriously Germans feel about flying toy airplanes Anyway understand Reinhard told inter viewer works job eight hours day spends eight hours day F3B hobby lieve because planes absolutely flaw less flying obviously very practiced current European F3B champion also fact lot formidable competitors top ranks F3B world today Germans said have couple dozen fliers about good three team US team worked extremely hard com peted hard earned respect other teams Competitors talked often mentioned Americans have act together Also noted American team being first out practice sessions last ones back However its nature satisfied Continued page 142 Advanced Glider Concepts Jet-Styled Slope Socirers ng 1/64 ply sheeting Fiberglass fuselage balsa & linkages Full instructions 2-ch radio required PO Box 1019 Manhattan Beach CA 90266 Advanced Glider Concepts lii jets REPRODUCTION PARTS FOR ANTIQUE IGNITION ENGINES SPARK PLUGS TIMERS NEEDLE VALVES EXHAUST STACKS 4 POINTS TANKS COILS PROP DRIVES OVER 600 ITEMS FOR MORE THAN 60 ENGINES Send $300 IUSA & Canadal Catalog No 1 0 llnternational orders 1 MICRO MODEL ENGINEERING 1301 W LAFAYETTE ST STURGIS MI 49091 December 1987 47 Cover new edition book contains data Eppler airfoils avail able Wilshire Model Center Read column details NEW LITTLE GIANTS ULTRALOK* Travel Air 2000 Span 79 Length 58875 Wing Loading 14 lbs19 oz Introductory Price $15495 Travel Air D4000 D4D Span 785 Length 5675 Wing Loading 1 5 lbs z Clip Wing Span695 Introductory Price $17495 Fleet Model 2 Span 68 Length 51 Wing Loading 1 3 lbs z Introductory Price $15495 5 Sport Scale Miniature Aircraft Kighl Prefab Kit Form Featuring F TRALOK onsiriltI ion Techniques Super Fast Assembi able QO 2 vcle 2 Cubic Inch Gas Quarter Scale Travel Air2000 104 23 lbs Travel Air 4000 9925 lbs Mark 4 JB Special Convertible ow Wing 18 lbs 1 plan 2 versions Biplane 18 lbsI Fokker D-VII 88 German WWI Fighter Biplane 23 lbs Waco UPF-790 Biplane 23 lbs Sopwith Tripehound 80 WWt Triplane 17 lbs Sopwith Pup 80 WWI Biplane 20 lbs kits complete contain fiberglass parts preformed landing gear cabanas machined ft die cut wood full hardware package Plans included comprehensive construc tion manual containIng photos end additional drawings Full rIgging kits requIrIng lIttle skill IncludedAlso Available Preformed Landing Gear Cabanes ORDERING INFO orders shipped UPS Parcel Post Add $10 shipping charge Allow 4 weeks delivery Checks MO payable Bebrlan Corp fastest service send Postal Money Order bank check No COD orders Call write information NY State residents add appropriate sales tax * 1 Ti PDA FF117 internotched self-aligning goof-proof assembly method Construction fast simple ULJ 1IIt1LiL1I1 OU will able frame airplane about 25 hours Jerrq Belirens Air Kit Experts Behrlan Corp PO Box 174 Inwood NY 11696 718 337-6987 516 868-5194 pressed below wings surface acts same washin wing covered plas tic films correction imbalance needs done before covering fiberglass resintype finishes extra coat resin half can help especially applied near tip Resin doesnt evaporate volume substance added remains place making quite easy balance method Adding coats dope effort balance wing can quite frustrating weight changes due evaporation dope solvents over long period time much like try ing balance props adding coats anything evaporates common fault Scale models propen sity toward tail-heaviness Knowing weight balsa sheets workshop helps divert less weighty materials aft keep tail light Its too easy grab first sheet stack re gardless density just because looks good fact seem excellent-choice balsa un less weight-watchers warning warn us Carl Goldberg Models plant ob served kits being assembled skilled workers deft touch picked up pieces balsa end determine whether well suited intended purpose No doubt some modelers could same weighing tech nique eliminates guessing FIBERGLASS PARTS Over 237 cowls kit scratch built models Also over 34 round cowls ranging 4 1 4-7/8 diameter 55 duff size & shape wheel pants custom Make Parts Vacuum Form Canopies Please seed $1 complete flat T&D FIBERBLASS SPECIALTIES 30925 Block Dept 4 Garden city Ml 48135 PHONE 3131 421-6358 BRAZED & HEATIREAIEO WIRE GEARS & CABANES PHONE 1313261-9064 Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Soaring/Blakeslee Continued page 47 seventh place want com peting win 89 World Champion ships held home ground everyone agrees have work harder develop some new ideas Choosing entirely new group guys two yearshowever skilledis obviously get ting job done need programs spread formation F3B designs construction methods winches etc also need figure out get Sailplaners F3B-type flying en courage clubs hold events flown manon-man working time Fortunately Phil Renaud guys 87 team comtnitted continuing what have started helping new programs tf sufficient support form around country Eight people themselves cannot make win ning team supported team generously dollars 87 Champs Now need invest time thought well prepared 89 World Championships ideas would welcome Getting back Achmer moment first impression having watched 81 83 NE W US WWd 1 1WINUA6Rj KIT ONLY $7 95 MOVEABLE CONTROLS EASY ADJUSTMENT Hi PM TNi77 24 WI1VUSP4VI Wi DId 1r KIT ONLY $895 - - PECK UODILI EUUY DO FIVE MANY HARD TO FIND ITEMS FOR RUBBER MODELS - CPLEf CA FISH $2U Peck-Peymers BOX 2498 -MA LA MESA CA 92044 N...- PHONE t619 448-1818 142 Model Aviation championships overall pilot skills much better previous contests top half pilots outclassed bottom half Ach mer top half still betterbut much better teams knew what trying lacking equip ment experience top 10 pilots serious conten tion win top 20 very com petitive second impression airplane de signs have pretty much settled down influ ence RaIf Deckers planes very apparent Planes need about size need super strong get out modern slingshot-ping-zoom launch provided pow erful winches monofilament lines Sure subtle differences outward ap pearance planes pretty similar An interesting sidelight planes manufac tured Germany quite competitive Steve Work flew Comet made Hans Muller turned fastest Speed run contest 185 sec Herr Mullers planes feature wood wing skins over foam cores F/G Kevlar fuse lages workmanship simply beautiful Id like have hang living room objet dart Muller planes makes about 15 different ones can purchased country through Becker USA San Diego Write Dave Hice catalog 2820 Altaview Dr San -AlSO AEXONCA L16B/cHAI84 IN SPAN VULTEX BT-13 VALIANT 84 IN SPAIT K Full Kit $25000 $26000 $25000 $26000 $26000 $27500 $29000 $25000 AERONCA L3 FLYING SCAlESPORT NCA L3/EIHDER 105 IN 2 CYClE 90-13 II 4 CYClE 12-18 BOLIiD PlAN SETS-------- $20 EACH FIBERGlASS CGfLS------- *20 EACH ADD 12SHPINGNYS ADD 8TAX AERO PlANS elf PARTS PO BOX 939 OIEAN NY 14760 1 372 iego CA 92139 phone 619 234-1071 Hans pretty much custom-makes plane prospective purchasers would well talk Dave about exact setup want popular purchased plane about five flown Impuls Rowing Joris Ten Holt Netherlands flew seri ous shot win plane obviously strong has modern features including slipon nose cone way judge strength much wings move during ping/zoom part launch Its difficult understand wings stay during 40-G maneuvers Im puls others stay stiff board Roland Sominers Rowing planes imported exclusively US Wilshire Model Cen ter Maddie Weiss says Impuls expen sive about $1000 has brought However anyone seriously interested call Maddie 213 829-9362 talk about spe cial order third manufactured plane Albatros Fiber Glas Flugel Folks know about such things very impressed plane Fiber Glas Flugel does knowledge have US importer thing con tact directly Streichenweg 21 8218 Un terwossen West Germany price Germany around 1400 marks about $780 18 marks per dollar technical aspects championships will covered upcoming issue Model Aviation John Dvorak John newsletter editor South Bay Soaring Society Silent Flyer great newsletter John tells got some good pictures Achmer Im look ing forward article National Soaring SocietyPart Two piece intended September issue got carried away Maynard Hills electrostatic stabilizer editor ran out space chop Im sorry have caused because promised August column print NSS officers names addresses nextand December Also NSS stopped ad quite few have written enquire contact organization person write Secretary-Treasurer Cliff Oliver address shown below Heres summary information didnt make August column tried show Sailplaners fit Grand Scheme Things Model Aviation also discussed reasons having ganization look after interests model Soaring organization AMA has desig nated Special Interest Group Soaring RIC Idle-Bar Glow Plugs Long Short Only $189 Also. Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $149 Swanson Associates PO Box 151 Wayne NJ 948 07470 National Soaring Society may have heard some Sailplaners say dont like about NSS NSS doesnt fill blanksthat want Id bet five bucks folks never talked anybody NSS tell wonder ful ideas So public service list current NSS officers district same AMA districts vice-presidents gen tlemen dedicated making Soaring better hobby/sport will delighted talk about ideas likes dislikes etc dont need NSS member contact themjust Sailplaner interested improving Soaring President Pete Carr 329 Little Ave Ridg way PA 15853 Secretary-Treasurer Cliff Oliver 8151 Broadway San Antonio TX 78209 Executive VP Gene Shelkey 217 Euclid Ave Scottdale PA 15683 District VP Jim Tyrie 39 Smith Rd Bed ford NH 03102 District 2 VP Ray Juschkus 7 Evergreen Ave New Hyde Park NY 11040 District 3 VP Pete Carr 329 Little Ave Ridgway PA 15853 District 4 VP Woody Blanchard 1733 Beach Rd Hampton VA 23664 District S VP District 6 VP Roger Stegall 4585 Apollo Dr Rockford IL 61111 District 7 VP Al Scidmore 5013 Dorsett Dr Madison WI 53711 District 8 VP Marshall Long 824 Garden Meadow Universal City TX 78148 District 9 VP Mike Hickman 6270 Rabbit Ears Cir Colorado Springs CO 80919 District 10 VP Dave Darling 2705 Harvest Rd Modesto CA 95355 District 11 VP Director Large Ray Marvin 2781 5 Gar field Denver CO 80210 PS NSS members will voting posi tion president even-numbered dis trict VPs 1988 Also note districts 5 11 need volunteerwho wants have go Sailplaners own way wonderful thing about hobby/sport people can go about whatever way suits know magazine writers tend overemphasize com petition high-tech aspects Sailplaning Nats competitor probably 100 guys flying Gentle Ladies schoolyards farm fields So glad receive letter Greg Alioshin talks about special thing Continued page 146 2 WANNA RACE MADTLIAQT AREA BEGINNER RACES 0 FORM-i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION ll9 DEAN AVE FRANKLIN MASS 02038 Tel 617 528-4043 203 673-2000 THE LEADER IN COMPETITION NEW 4jL THP DESIGN DIAPRICE 12209 9 14479 15609 16909 NEW & 9 \ / i PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 728 3 3h 4 5 6179 o33456O189 645667199 94566A77/*199 104566A7209 106W8W209 106EW219 114677A7I7/8229 115W229 116EW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164/*N969 16678969 December 1987 143 PROPELLERS TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 6677A8 677/28 677 8 67 678 RC PYLON RACING SERIES 500 DIA PITCHPRICE 7 5N 5/N279 8 6778299 SERIES 4000 866777289 9777289 W WIDE BLADE EW EXTRA WIDE 64Y4/1D RADIO CONTROL SHORTKITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1964 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENTI AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT IS HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-38 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 SHORT KITS IVCLUDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED ORDERING SEND CHECK OR MONEY ORDER FOR REGUIRED AMOUNT PLUS 450 PER KIT CANADIANS ADD $650 TO WING MFG RO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE 8i%4WG MEG SERIES AGM2 ZERO 54 SPAN P-40 TOMAHAWK 55 SPAN. 2995 P-39 AIRA COBRA 55 SPAN . 2995 P-Sb MUSTANG 54 SPAN . 2995 C202 FOLGORE 56 SPAN 5 FOCKE WULF 19054 SPAN. 2995 PHONE 815-459-0417 RC Soaring/Blakeslee Continued page 143 number years ago abandoned power took up Gliders time gave up contests found myself bucking tide like flying early morning evening working weak lift build light use wellseasoned hi-start Ive tried undercambered airfoils recently Gottingen 500 love bit nostalgia building frame mind old Free Flighters advantages knowledge today reason writing recently read George Stringwells Radio Control Soaring discovered wasnt person fooling around offbeat Gliders people Out knew what doing have information could con tact learn about lightweights would ap preciate can see lightweights would fascinat ing study offband dont know anybody really anyone would care contact Greg address 3792 Mosswood Drive La fayette CA 94549 Newsletter exchange Soaring club newsletter ed itors wishing exchange other clubs vited send names month Ken STOP CRASHES.3 wkh new Optic Servo Driver System 7 7/ / / Flican Enterpuses Inc 265 Oxford Lane e Bloomingdale Illinois 60108 No other system can protect valuable model fleW State art Optic Servo System can crashes loss control glitches Using fiber optic technology can eliminate problem long servo Signal wires picking up spurious RFI-EMI signals can wreck havoc servos airplanes blood pressure works signal coming receiver processed invisible pulses infra-red light travel through fiber optic light pipe intoThe Optic Servo Driver comes driver circuit converted back electricalin 3 models signal also being boosted their____________________________________________ maximum strength Therefore servo 5 ft receiver signal wire long servo plugged directly receiver Heavy duty battery wires provided separate baltery pack filtered servo end installation straight forward easy Small size easily detached removing wing Order today Include $350 shipping Money order Visa Master Charge include espiration date check allow 20 days clear Sorry no CODs Send free catalog modeler safety supplies MODELDESCRIPTION PRICE 121A Single Unit 1 servo$2495 122A dual unit 2 Servos$3995 123A single unit 2 outputs flaps ailerons Oden Atlanta Soaring Association would like set up some exchanges clubs around country Kens address 1325 Winding Branch Circle Dunwoody GA 30338 Hying wing fans will enjoy Soartech edition No 7 Flying Wing Special first Soartech edited Herk Stokelys Tidewater clubmate Gene Dees Gene designer Icarosaur flying wing describes edition addition Genes piece de scriptions RC flying wings Ken Bates Noel Falconer Bob Thornburg weighty Performance Analysis Horten IV Flying Wing Dezo Gyorgyfalvy Missis sippi State University seems MSU obtained Horten after WW II flew 1959 ob tain flight performance data Michael Selig presents two new airfoils de signed flying wings Gene has another piece computer program finding CG loca tion flying wings also plotting variable r foils flying wings using Chuck Anderson Airfoil Plot program An offbeat item very scientific piece titled Gliding Flight Dog-Faced Bat Observed Wind Tunnel C J Pennycuick worth price two pieces Paul MacCready team Development Wing-Flapping Flying Replica Largest Plerosaur Dr Brooks et al Gossamer Condor Albatross Case Study Aircraft Design JD Burke lat ter piece contains detailed drawings both planes very interesting us follow ultra-lightweight aircraft engineering Soartech No 7 truly bargain $5 post paid US Canada $8 overseas Send check Herk Stokely 1504 Horseshoe Circle Virginia Beach VA 23451 Soartech No 8 will consist entirely re sults Michael Selig s wind-tunnel research RC Sailplane airfoils would good idea send $10 along Herk get Soartech No 7 now No 8 soon comes off press New Eppler airfoil book West German pub lisher Verlaf fur Technik und Handwerk re cently published new edition Modell-Technik-Berater series covering Ep pler airfoils new soft-cover 138-page book designated MTh 1/2 combines former MTh 1 MTB 2 editions contains new mate146 Model Aviation III O1orCOmpIet1ne Send SSAE catalog JET ENGINE SALE K i DYNAJETS $19900 Catalog $500 AL DOUE 4015 Bs Jacinto # 404 0 Houston Texas 77OO 713 0404744 LATNES M1iS MEIAS B00S -PRECISI0N INSTRJMENTS COMPLETE COTOOC 200 IIGOOs OF otees 1-~EMPIEU w ow S 100 M Seirne Rosa Sprefas1d lOss 45503 Compact 5513 3aB562 rial theory Dr Epplers airfoils de signed models plus offers advice applications obvious snag its printed entirely German makes heavy going us rather perfunctory knowledge German German/English dictionary aviation terms Soartech No 6 big help However understanding coordinates performance curves no problem want num bers well-known Epplers such E193 E205 E374 plus unknown ones like E47 1 undercambered E169 symmetrical book invaluable Quoting translation press release manual now published its 10th edi tiOn Completely revised combines previ ously published two volumes Eppler profiles Eppler profiles shown several thick nesses corresponding coordinates Also new polar diagrams Because expansion Dr Epplers calculations polars con tain bubble warnings instructions have totally revised brought up latest standards contain hints theory practice well usage instructions Also included extensive struction drawing profiles New profiles designed specifically large model gliders includedE66 E67 E68 book available Maddie Weiss Wilshire Model Center see ad $1995 plus postage should wish contact Verlag fur Technik directly address Postfach 1128 7570 Baden-Baden West Germany German kits Arnold Wratschko AMS Imports sent along catalog Bauer Modelle planes importing Bauer produces pretty full line Sailplane power ARF kits also have interesting-looking twin-boom Electric 385-meter wingspan since column Sailplaners lets stick subject catalog German Im certain about some construction details description says fuselages finished epoxy-glass white assume gel coat wings finished Im sure what five Gliders Arnold importing Variant 290 Dash 29-meter wingspan ailerons $291 Variant 300A Record 30-meter wingspan ailerons trailing edge air brakes $303 Super Variant 400A Contest 403-meter wingspan ailerons brakes T-tail $449 Mu 28 semiscale model Akaflied Munchen full-size experimental Sailplane model spans 30 meters sells $504 FS 25 Semi-Scale RC Grosmodell fur Ther snik und Hangflug big plane thermal slope flying spans 414 meters $546 havent seen Bauer planes sure look pretty catalog Arnold warns prices subject change according mark/dollar exchange rate Also boxes too large shipped UPS truck bus air freight has arranged Write AMS Imports 1110 5 Wells Ave Reno NV 89502 Phone 702 786-7733 1-800-752-7733 ord cr5 copy catalog $6 Byron Blokeslee 3134 Winnebago Dr Seda ha CO 8013S responding advertisers mention read about Model Aviation experience Great Performance Quartet DALOTEL SPAN 69 InsWING AREA 830 sq ins CHIPMUNK 850 SPAN 70 insWING AREA 850 sq ins KL SPAN 76 SPAN 72 ins EXTRA 230 WING AREA 900 sq ins ZLIN 526 WING AREA 900 sq ins 4 ALL BALSA ARFS AT ONE GREAT PRICE HOLIDAY SPECIAL -$185 ea available direct select hobby shops ZIMPRO MARKETINO 1 PO BOX 3076 OAK RIDGE TN 37830 PHONE 615-482-6188 December 1987 147 87 AMA HATS Highflghts Helicopter Championships includes FLY OFF * Now video tape either VHS BETA * $2695 add $190 Mail Memories Keep Video Productions 116 Grandview Fenton MO 83026 Dept WORCOS BIQOEST SCALE PHOTO S584C6 50000010 CKS PLANS 3 VISWS PHOTO-PACKS PLANS ENLARGING SASE EnteeSIng 5 S30O sctr PlANS awl PHOTO SERVICE 3209 MsdSoO Ges,sboo NC 27403 P5005 919 2925239 No Collect PAW DIESELS Englands Finest 049 35 R/C STD Send $100 t@ list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 MACHINE SHOP SUPPLIES ING MACHINES [5 LATHES AiiDGE TOOLS iflo / MACOINEeY AND lOOiS INC Fsr ehe IAviosiss Modeler 00 Boo 530-V iean WV 25020 562-3539 c,eIog also UNIMAT 3 FREE diII cheek Re a, SPECIAL FREE ireluhe FREE di , Save Over 09Q00 ALREADY FLYINGY BRAND NEW TRAINERS WITH RADIO AND ENGINE INSTALLED-Only $300 j FUTABA 4NLw/4S38 SERVOS 1 OTTS R/G PARADISE 80893542061 660 KAUMANA Dr HILOHi 967201 RIC Sailplanes Fully Built Two Meter Kits Covered -d~Rady radio $14800 UPSiSASE info AEROFAB FIR BOX 10 MORAN MICH 49700