RADIO CONTROL Byron Blakeslee 3134 N Winnebago Dr Sedalia 0080135 THE SB-XC RnR Products marks milestone Soaring hobby first completely prebuilt cross-country XC glider market Specifically designed XC racing features all-molded construction hollow-core wings flaps ailerons $795 its quite bargain too. wing area works out 48 cents per sq Specs follows Weight Wingspan Wing area Airfoil Mm loading Max loading Aspect ratio Stab span Stab area 93 pounds 180 inches 1656 sq SD 2048 13 ozIsq ft 15 oz/sq ft 1981 365 inches 135 sq Other features include following Fast buildingapproximately 30 hours box launch Low-drag airfoil high lift-to-drag ratio Three-piece wing parabolic planform Full-span camber changing maximizes speed range Molded-in color no painting required Integrated-skin hinged ailerons Carbon-fiber-composite spar talk about RC XC really mean cross-countryas back pickup 40 50 miles XC facet Soaring requires some serious preparation doingyou dont just go down park couple flights after work So its understandable XC attracts relatively small avid following up now few kits market have mostly big polyhedral ships all-wood foam-core wings hard-core XC guys like Joe Wurts have made own fiberglass fuselages vacuum-bagged superstrong poly wings fact Joe set worlds declared straight-line distance record I] Left Dave Corvens granddaughter Audry holds Acme Aircrafts new Infinity three-meter thermal-competition Sailplane kit available $295 Right Three-view 11 8-in-span T-tail Infinity 62 Model Aviation SB-XC first completely prebuilt cross-country glider market $795 its bargain because minimal building time Pancho Morriss Dump Dragon modified Comet Models Massive Max foam glider scares gulls Richard Tiltman holds RnR Products new SB-XC cross-country racing Sailplane model has 15-foot wingspan PRODUCTS FOR TUP fltPAMINfl MflflSI PU Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpasad Wokmmnzhin & PArformAhCG IMPORTED DIESEL ENGINES Worlds Best Selection AE AM Aurora Cipolla D-C KMD MAP Mikro MK MWS Oliver PAW Pfeffer Silver Swallow USE Also Replica Mills MOVO Letmo diesels rare imported glow engines CO motor sets Ten page catalog 1OO CARLSON ENGINE IMPORTS 814 East Marconi Phoenix AZ 85022-3112 2264 kilometers almost 142 miles Wileys Revenge 1988 However Joe thought enough RnR s new SB-XC fly Western Great Race held Taft California mid-May hut won race having flown ship before Joe just returned Japan invited Sanwa Radios put flying demonstrations F3B World Championships-winning Flite Lite Composites Eagle XC design emphasis size speed stability strength Large size important glider can seen couple thousand feet altitude also because contributes flight efficiency Speed obviously required because XC racing Stability needed glider will less fly itself pilot can hardly see Strength must gliders lost blowing up because exceeding red-line speed other cause RnR Products company Rich Spicer Richard Tiltman two Rs already well known Synergy III Synergy 91 ThermalIF3B designs Nova Slope Racer can justifiably proud offering XC fliers full-function Sailplane modern all-molded con struction SB-XC has ailerons also has sufficient polyhedral provide inherent stability ability fully adjust wing camber both positive negative should big advantage coping varying lift/sink conditions looks like SB-XC hot ticket XC contests information order call write RnR September 1992 63 Znntinued nape 133 Above left Kale Harden Ultima Bob Sealy Kale scorekeeper International Postal Competition Above right winning team spring 1992 IPC Modelifluggruppe Thun Switzerland Look Bernese Alps background RC Soaring/Blakeslee Continued page 63 Products 1120 Wrigley Way Milpitas CA 95035 telephone 408 WINGS5 Infinity Acme Aircraft Dave Corven old-timer RC gliders new secretary LSF Daves company Acme Aircraft has manufacturing fibergiass/Keviar fuselages some time Dave has begun producing complete original-design kits eye Daves Infinity veiy attractive wellbalanced-looking Sailplane should good all-around-type Sailplane Daves description new kits am starting limited production run new Infinity kit Im building Three-Meter Standard Class planforms small number Two-Meter Renegades virtually identical Infinity appearance smaller flew Three-Meter version last year Ken Bates flew prototype 100-inch planform Mine RG15 airfoil Ken flew new Outlaw airfoil comparison Ken won two Standard Class events Michigan placed sixth Unlimited Nationals stole win some good finishes veiy best Sailplane have flown since started flying gliders 1971 Actually design began summer 1988 concept being too terribly radical wanted create F3B-capable Sailplane would appeal F3B community also Sailplane pilots skill levels brought point interested higher performance Sallplanes Appearance performance durability construction important con siderations four categories considered simultaneously result Sailplane reasonably pleasing eye performance envelope very broad no known unhappy characteristics Sailplane airfoil probably important single feature selected todays designer has contend good data ever before decision traumatic combination RGl5 some Quabeck 9% airfoils pretty attractive wanted airfoil somewhat responsive camber changes fairly low drag terribly sensitive tip stall conditions Something like having cake eating too final selection 85% Quabeck acquired data year earlier modified build two sets wings design called Outlaw set wings went Ken Bates flew homemade Comet-type fuselage good results testing Ken did seemed prove out characteristics desired carried forward conservative tripletapered planform Infinity little modification Outlaw airfoil root 85% thick 15% camber reduce tip stalling slow thermaling landing speeds airfoil thickness camber increased 90%/20% second taper break location maximum thickness rearward leading edge maintained percentagewise wing configuration flown throughout 1991 season has proven itself capable performer local Thermal Duration contests fuselage construction all-new design slip-nose canopy conventional canopy also available Wing fillets molded-in locations wing joiners vertical fin designed T-tail can configured n conventional midfin stab desired Locations stab wires molded fm Multiplex contest elevator bellerank Construction Infinity really begins shine fuse all-Kevlar has under development almost two years fiberglass fuse Kevlar reinforcements Kevlar fuse Kevlar reinforcements wing fillet area vertical stab fillet area reinforcements sandwiched between two full-length layers Kevlar also two-thirds-length layer Kevlar running between two full-length layers nose well behind wing TE strength-to-weight ratio lay-up probably exceeds other Sailplane fuse captivity today front edge top vertical stab also reinforeed Kevlar tow outside surface fuse layer 1 0-oz fiberglass cloth improved surface quality painting ease entire fuse slipnose canopy weighs 105 11 oz wing conventional composite structure utilizing 12 lbicu ft C-bead white foam 1-in-wide carbon-fiber tow over under spar 20- 30-oz fiberglass cloth leading edge trailing edge full-span under balsa sheeting 1/16 thick 6 8 lb/cu ft An option would put glass cloth over balsa builder wishes have epoxy/glass outer surface spar assembly carries wing rod tube 14mm-inside-diameter aluminum tubing has core balsa ply reinforcement front rear top bottom spar supereasy construct can zoom launched distress stab foam-cored 1/is-in balsa skins 20- 30-oz fiberglass cloth under over skins front pivot wire 1/ setscrew/wheel collars retention rear wire 3/n rudder built-up construction can openstructured sheeted Infinity semikit currently structured provide expert builder basics competitive design yet allow maximum flexibility final Continued page 136 5ThRLI-r U INTERNATIONAL PMT Snapper Pinch-Off Timer 1950 Starline DT Timer $1350 ature 3F Timer $3000 line Signature 5F Timer $1300 line Signature 1/2A 3F Timer $3500 e Round Nose Pliers *1950 Fuel Tubing 3 ft $250 sure Tank Fitting $300 Fuel Cut-Off $4OoeBunt Mechanism $1500 Timer Start Button $1000 e Font End $2000 e Wake Motor Tube $500 other Free Flight items available se add 10% postage log $100 STARUNE INTL 0189 E CACTh5 WREN ROAD TSDALE AZ 55353 September 1992 133 PLANE VIDEO GIVES YOU UBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT ThE FIRST TIME 2-2 HOUR IDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRAFr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSERODS ALIGNMENT BALANCING ANI MUCH MORE $3495 shipping $800 foreign ciders f4EROBATICS & GROUND SCHOOl 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE -OFES SPINS CROSS WIND TECHNIQUES SNAP ROLLS AND MORE $1995 shippIng $000 fomslgn orders BUILDING WITH FOAM 2-HOUR VIDEO PROVIDING INEORMATION ON 110AM WING CORES INSTALLING RETRACTS PRIMING COVERING WITH EG CLOTH PAINTING & DETAILING $1995 shipping $000 foreign orders TAPES AVAILABLE ltd VS-IS ONLY SEND CHECK OR MO TO PLANE VIDEO P0 BOX 23128 CLIVE IA 60325 VISA OR CALL 14003834251 OR pqmsncmg 515-223-0597 24 1403 TOLL FREE IA RESIDENTS ADO 4% SALES TAM Electric F ight Has Brake LIghtweight 12 OLmoney back Adjastahie switching point Solderless terminal far easy haokssp $2 ON/OFF Controller995 Mare Power save weight ot2O Size 22x13L63 v hagh efficsency 006V lass Add $100 foe shipping Colifoosia resideols add 7257i $2 7 Ta Send Check money order Come soithHigh Sky Fslahoonnontor3929 KanSaS St #9 eSter coooecIors 000fllmnnflft 92104 also availableSan WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BAL BA SHEETS 36 48 30 1/16e233 3/32e240 1/8e243 3/16249 1/4258 1/32x337 1/20337 1/163374931 3/32x3445837 1/83557445 3/183638455 1/43759861 5/18387115 3/839012871 1/23114160 3/43170200 1/16x4587848 3/32 4729756 1/848210966 3/1649612675 1/4411513984 3/84170235144 1/24235273200 MATCHED SHEETS 42 3/324109 1/8 x4129 3/164144 1/4 x4155 SALU STiCKS 36 48 1/18x 1/410 1/16x 3/811 1/16x 1/215 3/32x 1412 3/32e 3/813 3/32x 1/217 1/8x 1/809 1/Be 1141218 1/Be 3/81319 1/8 1/21824 3/16x3/161219 3/16x 3/81821 3/16x 1/22231 1/4 1/41826 1/4x 3/82128 1/4x 1/22232 1/4x 3/43445 1/4x 14257 5/18 x 5/162330 3/8 3/82939 3/8 x 1/23349 3/8 3/44458 3/8x 15473 1/2x 1/23855 1/2 3/44866 1/2x 18082 5/8 x 5/85270 3/4 3/47598 BALSA HOT LINE CuN 688745 8394 lOam ApmCntraITinie QC~ w BALSA TRIANGLES 36 4425 383830 235 343445 55 BALM PLANKS SB 90 25 329 4293 112,3302 124395 22231 23335 24475 33515 34715 TAPERED SHEETS36 14265 14395 38268 35395 123120 LONE STAR EPOXY 9ozList999 Sm/n600 15mm600 30 rn/n600 LIGHT 4-6 LB WOOD36 1/32382 120362 116362 332374 119351 3183105 143125 3193150 123190 343300 13415 116490 3/324119 1194135 3184157 144190 384290 124385 TRAiLING EDGE 36 4132 51511439 361146 2270 INSTANT CL UE 1 07 Thick300 1 oz Thin300 207 Thick550 2 ox Thin550 BASSWOOD48 31531626 3161430 3163938 3161246 31163480 1141442 43849 143490 383560 391270 383490 121290 234100 BUNDLE DEALS 20-1/16x3a36699 20-1/164361035 20-3/32x3o36875 15-3/32436955 15-1/8x336750 10-1/84x38695 15-3/1 63x36940 10-3/16x4x36835 10-1/4o3x36655 10-1/4o4o361050 10-3/83x36890 5-3/8x4o36655 5-1 /2x3e36540 5-1/2x4o361110 1 0-3/32n448930 5-1 /8x448525 5-3/1 6x448620 5-1/4448680 * NEW * Hundreds new sizes accessories finishing materials Send #10 SASE latest catalog SPRUCE STICKS 3648 15 181725 18 142026 18 362232 3163162839 14 143450 14 384055 14 124565 39394969 39 129077 12 126689 12347597 SPRUCE TRIANGLES 3838 1212 34 34 HARD MAPLE 4 38 3838 38 1 2 3534 12 34 IS 40 45 50 59 68 BIRCH DOWELS 18 315 14 516 35 8PLY3WCH48 1/04x12835 132x12476 1I16x12475 1/8x12456 5 PLYBIRCH 48 3/32 12725 1/8 12800 36 3/1612625 643/8 x12725 811/2 12900 LflEPLVd8 CR00 VEDLG MOUNTS 125whi 1753/8x3/4l1/8/AS 3503/8 x3/4l5/32/45 2761/23/4/3/16/50 550 11812 114 x6 114 x 12 LONE STAR MODELS IX 79412 Cont 48 Handling Charge pay UPS Add $400 COD $500 extra PP APO FPO 1623 57tl St Lubbock States accepl VISA MasterCard persons1 checks COD 6Y% mx Texas US currency Mm wood order $1000 i Electric Vacuum Bagging System Foam Core Wings $74 95* Complete Easy Use Md tpng & handing Ca5forrsa re4dents odd ideS tax Send $300 infomatian package Dealer Inquiries Invited VISA Mastercard Accepted RC SoaringlBlakeslee Continued page 133 construction instance builder can use own favonte spar structure reproduce spar shown plans Other areas such choice elevator rudder cableslpushrods radio installation can easily varied according preference After have ever known modeler didnt modify anything built whether kit plans own design also allows keep price kit area acceptability Included kit retail price $295 plus $10 shipping Keviar fuse foam wing cores stab cores 1/16-in balsa sheeting wing stab 14mm prebent T-6 aluminum alloy wing rod tubes aluminum arrow shaft tubing flap aileron hinges contest elevator bellcrank plans Individual components available well other Sailplane goodies supplies Send SASE Daves complete price list sells supplies need build higher tech gliders Address Acme Aircraft 61501 N Ridge Trail Romeo MI 48065 telephone 313 656-1879 International postai competition big things enjoy about Soaring hobby ability travel nearly country world meet people same interests may speak same language fliers know little Englisheven us IPC low-key event designed promote friendships between Soaring clubs countries possible Its limited club country best five individual scores counting toward clubs score Kale Harden Palm Harbor Florida kind enough write let us know latest about IPC bring everyone up date International Postal Competition few years ago turned scoring secretary ing event over Australian club Im now doing job again can provide latest news just finished March-April contest seven countries participated Swiss best team score first participation would expect weather bad Switzerland time year obviously good better conditions rest us Probably better fliers too thing makes event special fact have doing twice year 10 years now must doing something right certainly says something about idea international competitions exchanging results mail Most clubs have 15 40 members some have very faithful IPC over years New Zealand club instance has never come first 136 Model Aviation CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa have competed almost club Pelicans Tampa-St Pete areaRB Australians two initiating clubs contest have both participated contest whole 10 years Over years have varied tasks Initially flew six-minute Precision Duration la F3B rules flew two tasks contest rotation between F3B Speed F3B Distance always including six-minute Duration task accordance KISS principle now back six-minute Duration task fly five rounds twice year Twice year may need some explaining Half teams Southern Hemisphere winter summer vice versa Holding contest once year say summer would unfair vice versa So decided have two events year spring fall began just Pelicans Brisbane club Dan Pruss heard about contest described Soaring column Immediately heard several countries wanting join fun Ive corresponded teams 14 countries past 10 years have eight countries participate contest Japan asked join found out team would composed Sailpianers Japan decline Over years have some notable fliers compete IPC name few Walt Gcod Brian Agnew Leon Kincaid John Gunsaullus US Gany Jordan perennial F3B team member Australia Brian Sharp Scotland Rudiger Kraus Reinhard Werner Germany Sean Walbank England John Lightfcot South Mrica As usual weather lot results team correspondent said team enjoyed experience regardless placing Germany England didnt respond time Canada Ireland indicated would participate fall contest should have 10 teamsa new record Modellfluggruppe Switzerland won first place International Postal Competition 21003 points Next came Pelican SA USA 19955 points Brisbane MSC Australia third place 18476 points followed fourth-place Scottish Aeromodelers Scotland 18114 points Southern Soaring Club South Africa 16955 points closely followed Wellington MAC New Zealand 16935 points Santiago Soaring Club Chile scored total 11394 points clubs other countries interested participating IPC Kale Harden can reached 3184 Brunswick Circle Palm Harbor FL 34684 USA Continued page 139 U BIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL OOh Nitromethane 5% Nitromethane 100/0 Nitromethane 150k Nitromethane 25% Nitromethane 350/0 Nitromethane PINTQUARTGALLON $995 $325$495$1295 $395$535$1495 $395$625$1695 $495$795$2295 $595$895$2795 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1395 150h Nitromethane$1625 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subtct change nOtice See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma_IA 50171 U p U3 U U U U K EE U U U U U U Fly-Safe saved Plane AirWavz Flight Systems Inc 47 Leonard Crescent Penfield NY 14526 el 385-8840 U U I i I I I U U U U U U U U U I I U U U U Kit$2595 Assembled . $3495 fadd $305 shippose red handling Qty diseounn Dealer inquires invited k batteries between flight Probably Thats need Fly-Safe Fly-Safe allows fly confidence constantly checking batteriesconnections & radio problems Features On-board battery & Radio monitor Freq checker Plane locator September 1992 137 * Loud warning buzzer * Precision voltage sensing * Easy assemble * Lightweight OS2oz Directory rubber-powered kits Free Flight Duration column April 1992 issue Model Aviation photo Robert really Ray Hayes son Mark Ray longtime Sailplane flier former vice president LSF letter Ray tells story picture worth thousand words attached photo son Mark will tell modeling interest has last few years Hany Murphy name wrong dont care what calls Mark wanted fly RC gliders wanted him learn basic modeling first has won several P-30 3O-in-span rubberpowered sport/duration model contests planes built covered Most contest success has indoors reasons directory continuation Using myself example starting get little burned-out RC Sailplane contests contest old Ford test track Utica Michigan few years ago shared field Free Flight contest bell rang watched Rubber jobs climb out max know people start RC today unaware old-time modeling As result have people come go through RC miss out other areas model aviation Some people might continue model aviation knew about rubberpowered gliders So can give directory some print column maybe can help someone continue model aviation Cloudbusters responsible own continuation model aviation maybe reprints newsletter will keep someone else interested Rays Directory Rubber-powered Kits lists sources Indoor Outdoor Sport Peanut Scale high-performance ultralight rubber-powered models directory appears pretty comprehensive frankly surprised learn market comprises manufacturers Ray also lists sources supplies books magazines how-to information associ ations applications Society Antique Modelers National Free Flight Society So youre interested really basic modeling Rays directory looks ideal place start Send $395 Ray Hayes 69598 Brookhill Drive Romee MI 48065 Bob Holman has added some new Scale glider plans catalog New subjects include Darmstadt D28 Windspiel Oberlechner MG19A Steinadler SDZ 30 Pirat Slingsby T45 Swallow Polish Orlik quarter-scale Scheibe Bergfalke 1/6-scale Most Bobs plans British magazines RC Model World Radio Modeler RCM & E Bob also handles Mike Smart Designs quite few Scale glider plans Germany As added service Bob offering US-made canopies gliders Plan sets range about $10 $30 canopies $10 $15 copy Scale Gliders Catalog send $3 Bob Holman Plans PO Box 741 San Bernardino CA 92402 telephone 714 885-3959 Adventure Day Continued page 41 ultralight-type airspeed indicator ASI Because flying over no able test ASI flight Nonetheless ASIs calibrated up point help John Newman accurate ASI Frank Folbre Frank also trailered home-built project over share us John worked two participants could qualify Boy Scout merit badges Continued page 140 September 1992 139 DEMOUNTABLE HINGE Demountable easy * Construction * Finishing * Repair $1nch Fourmost Demountable Hinge gapless Nylon hinge allows modeler easily remove control surfaces model 1/32 inch piano wire holds hinge place Hinge may installed easily CA adhesives Hinge sold packages 12 6 inch segments sufficient span 3 feet hinge Although manufactured white Hinge may dyed painted match finish Hinge deflects plus minus 45 degrees Product No 141Price 3 ft $495 Fourmost Products 503 357-2732
Edition: Model Aviation - 1992/09
Page Numbers: 62, 63, 133, 136, 137, 139
RADIO CONTROL Byron Blakeslee 3134 N Winnebago Dr Sedalia 0080135 THE SB-XC RnR Products marks milestone Soaring hobby first completely prebuilt cross-country XC glider market Specifically designed XC racing features all-molded construction hollow-core wings flaps ailerons $795 its quite bargain too. wing area works out 48 cents per sq Specs follows Weight Wingspan Wing area Airfoil Mm loading Max loading Aspect ratio Stab span Stab area 93 pounds 180 inches 1656 sq SD 2048 13 ozIsq ft 15 oz/sq ft 1981 365 inches 135 sq Other features include following Fast buildingapproximately 30 hours box launch Low-drag airfoil high lift-to-drag ratio Three-piece wing parabolic planform Full-span camber changing maximizes speed range Molded-in color no painting required Integrated-skin hinged ailerons Carbon-fiber-composite spar talk about RC XC really mean cross-countryas back pickup 40 50 miles XC facet Soaring requires some serious preparation doingyou dont just go down park couple flights after work So its understandable XC attracts relatively small avid following up now few kits market have mostly big polyhedral ships all-wood foam-core wings hard-core XC guys like Joe Wurts have made own fiberglass fuselages vacuum-bagged superstrong poly wings fact Joe set worlds declared straight-line distance record I] Left Dave Corvens granddaughter Audry holds Acme Aircrafts new Infinity three-meter thermal-competition Sailplane kit available $295 Right Three-view 11 8-in-span T-tail Infinity 62 Model Aviation SB-XC first completely prebuilt cross-country glider market $795 its bargain because minimal building time Pancho Morriss Dump Dragon modified Comet Models Massive Max foam glider scares gulls Richard Tiltman holds RnR Products new SB-XC cross-country racing Sailplane model has 15-foot wingspan PRODUCTS FOR TUP fltPAMINfl MflflSI PU Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpasad Wokmmnzhin & PArformAhCG IMPORTED DIESEL ENGINES Worlds Best Selection AE AM Aurora Cipolla D-C KMD MAP Mikro MK MWS Oliver PAW Pfeffer Silver Swallow USE Also Replica Mills MOVO Letmo diesels rare imported glow engines CO motor sets Ten page catalog 1OO CARLSON ENGINE IMPORTS 814 East Marconi Phoenix AZ 85022-3112 2264 kilometers almost 142 miles Wileys Revenge 1988 However Joe thought enough RnR s new SB-XC fly Western Great Race held Taft California mid-May hut won race having flown ship before Joe just returned Japan invited Sanwa Radios put flying demonstrations F3B World Championships-winning Flite Lite Composites Eagle XC design emphasis size speed stability strength Large size important glider can seen couple thousand feet altitude also because contributes flight efficiency Speed obviously required because XC racing Stability needed glider will less fly itself pilot can hardly see Strength must gliders lost blowing up because exceeding red-line speed other cause RnR Products company Rich Spicer Richard Tiltman two Rs already well known Synergy III Synergy 91 ThermalIF3B designs Nova Slope Racer can justifiably proud offering XC fliers full-function Sailplane modern all-molded con struction SB-XC has ailerons also has sufficient polyhedral provide inherent stability ability fully adjust wing camber both positive negative should big advantage coping varying lift/sink conditions looks like SB-XC hot ticket XC contests information order call write RnR September 1992 63 Znntinued nape 133 Above left Kale Harden Ultima Bob Sealy Kale scorekeeper International Postal Competition Above right winning team spring 1992 IPC Modelifluggruppe Thun Switzerland Look Bernese Alps background RC Soaring/Blakeslee Continued page 63 Products 1120 Wrigley Way Milpitas CA 95035 telephone 408 WINGS5 Infinity Acme Aircraft Dave Corven old-timer RC gliders new secretary LSF Daves company Acme Aircraft has manufacturing fibergiass/Keviar fuselages some time Dave has begun producing complete original-design kits eye Daves Infinity veiy attractive wellbalanced-looking Sailplane should good all-around-type Sailplane Daves description new kits am starting limited production run new Infinity kit Im building Three-Meter Standard Class planforms small number Two-Meter Renegades virtually identical Infinity appearance smaller flew Three-Meter version last year Ken Bates flew prototype 100-inch planform Mine RG15 airfoil Ken flew new Outlaw airfoil comparison Ken won two Standard Class events Michigan placed sixth Unlimited Nationals stole win some good finishes veiy best Sailplane have flown since started flying gliders 1971 Actually design began summer 1988 concept being too terribly radical wanted create F3B-capable Sailplane would appeal F3B community also Sailplane pilots skill levels brought point interested higher performance Sallplanes Appearance performance durability construction important con siderations four categories considered simultaneously result Sailplane reasonably pleasing eye performance envelope very broad no known unhappy characteristics Sailplane airfoil probably important single feature selected todays designer has contend good data ever before decision traumatic combination RGl5 some Quabeck 9% airfoils pretty attractive wanted airfoil somewhat responsive camber changes fairly low drag terribly sensitive tip stall conditions Something like having cake eating too final selection 85% Quabeck acquired data year earlier modified build two sets wings design called Outlaw set wings went Ken Bates flew homemade Comet-type fuselage good results testing Ken did seemed prove out characteristics desired carried forward conservative tripletapered planform Infinity little modification Outlaw airfoil root 85% thick 15% camber reduce tip stalling slow thermaling landing speeds airfoil thickness camber increased 90%/20% second taper break location maximum thickness rearward leading edge maintained percentagewise wing configuration flown throughout 1991 season has proven itself capable performer local Thermal Duration contests fuselage construction all-new design slip-nose canopy conventional canopy also available Wing fillets molded-in locations wing joiners vertical fin designed T-tail can configured n conventional midfin stab desired Locations stab wires molded fm Multiplex contest elevator bellerank Construction Infinity really begins shine fuse all-Kevlar has under development almost two years fiberglass fuse Kevlar reinforcements Kevlar fuse Kevlar reinforcements wing fillet area vertical stab fillet area reinforcements sandwiched between two full-length layers Kevlar also two-thirds-length layer Kevlar running between two full-length layers nose well behind wing TE strength-to-weight ratio lay-up probably exceeds other Sailplane fuse captivity today front edge top vertical stab also reinforeed Kevlar tow outside surface fuse layer 1 0-oz fiberglass cloth improved surface quality painting ease entire fuse slipnose canopy weighs 105 11 oz wing conventional composite structure utilizing 12 lbicu ft C-bead white foam 1-in-wide carbon-fiber tow over under spar 20- 30-oz fiberglass cloth leading edge trailing edge full-span under balsa sheeting 1/16 thick 6 8 lb/cu ft An option would put glass cloth over balsa builder wishes have epoxy/glass outer surface spar assembly carries wing rod tube 14mm-inside-diameter aluminum tubing has core balsa ply reinforcement front rear top bottom spar supereasy construct can zoom launched distress stab foam-cored 1/is-in balsa skins 20- 30-oz fiberglass cloth under over skins front pivot wire 1/ setscrew/wheel collars retention rear wire 3/n rudder built-up construction can openstructured sheeted Infinity semikit currently structured provide expert builder basics competitive design yet allow maximum flexibility final Continued page 136 5ThRLI-r U INTERNATIONAL PMT Snapper Pinch-Off Timer 1950 Starline DT Timer $1350 ature 3F Timer $3000 line Signature 5F Timer $1300 line Signature 1/2A 3F Timer $3500 e Round Nose Pliers *1950 Fuel Tubing 3 ft $250 sure Tank Fitting $300 Fuel Cut-Off $4OoeBunt Mechanism $1500 Timer Start Button $1000 e Font End $2000 e Wake Motor Tube $500 other Free Flight items available se add 10% postage log $100 STARUNE INTL 0189 E CACTh5 WREN ROAD TSDALE AZ 55353 September 1992 133 PLANE VIDEO GIVES YOU UBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT ThE FIRST TIME 2-2 HOUR IDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRAFr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSERODS ALIGNMENT BALANCING ANI MUCH MORE $3495 shipping $800 foreign ciders f4EROBATICS & GROUND SCHOOl 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE -OFES SPINS CROSS WIND TECHNIQUES SNAP ROLLS AND MORE $1995 shippIng $000 fomslgn orders BUILDING WITH FOAM 2-HOUR VIDEO PROVIDING INEORMATION ON 110AM WING CORES INSTALLING RETRACTS PRIMING COVERING WITH EG CLOTH PAINTING & DETAILING $1995 shipping $000 foreign orders TAPES AVAILABLE ltd VS-IS ONLY SEND CHECK OR MO TO PLANE VIDEO P0 BOX 23128 CLIVE IA 60325 VISA OR CALL 14003834251 OR pqmsncmg 515-223-0597 24 1403 TOLL FREE IA RESIDENTS ADO 4% SALES TAM Electric F ight Has Brake LIghtweight 12 OLmoney back Adjastahie switching point Solderless terminal far easy haokssp $2 ON/OFF Controller995 Mare Power save weight ot2O Size 22x13L63 v hagh efficsency 006V lass Add $100 foe shipping Colifoosia resideols add 7257i $2 7 Ta Send Check money order Come soithHigh Sky Fslahoonnontor3929 KanSaS St #9 eSter coooecIors 000fllmnnflft 92104 also availableSan WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BAL BA SHEETS 36 48 30 1/16e233 3/32e240 1/8e243 3/16249 1/4258 1/32x337 1/20337 1/163374931 3/32x3445837 1/83557445 3/183638455 1/43759861 5/18387115 3/839012871 1/23114160 3/43170200 1/16x4587848 3/32 4729756 1/848210966 3/1649612675 1/4411513984 3/84170235144 1/24235273200 MATCHED SHEETS 42 3/324109 1/8 x4129 3/164144 1/4 x4155 SALU STiCKS 36 48 1/18x 1/410 1/16x 3/811 1/16x 1/215 3/32x 1412 3/32e 3/813 3/32x 1/217 1/8x 1/809 1/Be 1141218 1/Be 3/81319 1/8 1/21824 3/16x3/161219 3/16x 3/81821 3/16x 1/22231 1/4 1/41826 1/4x 3/82128 1/4x 1/22232 1/4x 3/43445 1/4x 14257 5/18 x 5/162330 3/8 3/82939 3/8 x 1/23349 3/8 3/44458 3/8x 15473 1/2x 1/23855 1/2 3/44866 1/2x 18082 5/8 x 5/85270 3/4 3/47598 BALSA HOT LINE CuN 688745 8394 lOam ApmCntraITinie QC~ w BALSA TRIANGLES 36 4425 383830 235 343445 55 BALM PLANKS SB 90 25 329 4293 112,3302 124395 22231 23335 24475 33515 34715 TAPERED SHEETS36 14265 14395 38268 35395 123120 LONE STAR EPOXY 9ozList999 Sm/n600 15mm600 30 rn/n600 LIGHT 4-6 LB WOOD36 1/32382 120362 116362 332374 119351 3183105 143125 3193150 123190 343300 13415 116490 3/324119 1194135 3184157 144190 384290 124385 TRAiLING EDGE 36 4132 51511439 361146 2270 INSTANT CL UE 1 07 Thick300 1 oz Thin300 207 Thick550 2 ox Thin550 BASSWOOD48 31531626 3161430 3163938 3161246 31163480 1141442 43849 143490 383560 391270 383490 121290 234100 BUNDLE DEALS 20-1/16x3a36699 20-1/164361035 20-3/32x3o36875 15-3/32436955 15-1/8x336750 10-1/84x38695 15-3/1 63x36940 10-3/16x4x36835 10-1/4o3x36655 10-1/4o4o361050 10-3/83x36890 5-3/8x4o36655 5-1 /2x3e36540 5-1/2x4o361110 1 0-3/32n448930 5-1 /8x448525 5-3/1 6x448620 5-1/4448680 * NEW * Hundreds new sizes accessories finishing materials Send #10 SASE latest catalog SPRUCE STICKS 3648 15 181725 18 142026 18 362232 3163162839 14 143450 14 384055 14 124565 39394969 39 129077 12 126689 12347597 SPRUCE TRIANGLES 3838 1212 34 34 HARD MAPLE 4 38 3838 38 1 2 3534 12 34 IS 40 45 50 59 68 BIRCH DOWELS 18 315 14 516 35 8PLY3WCH48 1/04x12835 132x12476 1I16x12475 1/8x12456 5 PLYBIRCH 48 3/32 12725 1/8 12800 36 3/1612625 643/8 x12725 811/2 12900 LflEPLVd8 CR00 VEDLG MOUNTS 125whi 1753/8x3/4l1/8/AS 3503/8 x3/4l5/32/45 2761/23/4/3/16/50 550 11812 114 x6 114 x 12 LONE STAR MODELS IX 79412 Cont 48 Handling Charge pay UPS Add $400 COD $500 extra PP APO FPO 1623 57tl St Lubbock States accepl VISA MasterCard persons1 checks COD 6Y% mx Texas US currency Mm wood order $1000 i Electric Vacuum Bagging System Foam Core Wings $74 95* Complete Easy Use Md tpng & handing Ca5forrsa re4dents odd ideS tax Send $300 infomatian package Dealer Inquiries Invited VISA Mastercard Accepted RC SoaringlBlakeslee Continued page 133 construction instance builder can use own favonte spar structure reproduce spar shown plans Other areas such choice elevator rudder cableslpushrods radio installation can easily varied according preference After have ever known modeler didnt modify anything built whether kit plans own design also allows keep price kit area acceptability Included kit retail price $295 plus $10 shipping Keviar fuse foam wing cores stab cores 1/16-in balsa sheeting wing stab 14mm prebent T-6 aluminum alloy wing rod tubes aluminum arrow shaft tubing flap aileron hinges contest elevator bellcrank plans Individual components available well other Sailplane goodies supplies Send SASE Daves complete price list sells supplies need build higher tech gliders Address Acme Aircraft 61501 N Ridge Trail Romeo MI 48065 telephone 313 656-1879 International postai competition big things enjoy about Soaring hobby ability travel nearly country world meet people same interests may speak same language fliers know little Englisheven us IPC low-key event designed promote friendships between Soaring clubs countries possible Its limited club country best five individual scores counting toward clubs score Kale Harden Palm Harbor Florida kind enough write let us know latest about IPC bring everyone up date International Postal Competition few years ago turned scoring secretary ing event over Australian club Im now doing job again can provide latest news just finished March-April contest seven countries participated Swiss best team score first participation would expect weather bad Switzerland time year obviously good better conditions rest us Probably better fliers too thing makes event special fact have doing twice year 10 years now must doing something right certainly says something about idea international competitions exchanging results mail Most clubs have 15 40 members some have very faithful IPC over years New Zealand club instance has never come first 136 Model Aviation CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa have competed almost club Pelicans Tampa-St Pete areaRB Australians two initiating clubs contest have both participated contest whole 10 years Over years have varied tasks Initially flew six-minute Precision Duration la F3B rules flew two tasks contest rotation between F3B Speed F3B Distance always including six-minute Duration task accordance KISS principle now back six-minute Duration task fly five rounds twice year Twice year may need some explaining Half teams Southern Hemisphere winter summer vice versa Holding contest once year say summer would unfair vice versa So decided have two events year spring fall began just Pelicans Brisbane club Dan Pruss heard about contest described Soaring column Immediately heard several countries wanting join fun Ive corresponded teams 14 countries past 10 years have eight countries participate contest Japan asked join found out team would composed Sailpianers Japan decline Over years have some notable fliers compete IPC name few Walt Gcod Brian Agnew Leon Kincaid John Gunsaullus US Gany Jordan perennial F3B team member Australia Brian Sharp Scotland Rudiger Kraus Reinhard Werner Germany Sean Walbank England John Lightfcot South Mrica As usual weather lot results team correspondent said team enjoyed experience regardless placing Germany England didnt respond time Canada Ireland indicated would participate fall contest should have 10 teamsa new record Modellfluggruppe Switzerland won first place International Postal Competition 21003 points Next came Pelican SA USA 19955 points Brisbane MSC Australia third place 18476 points followed fourth-place Scottish Aeromodelers Scotland 18114 points Southern Soaring Club South Africa 16955 points closely followed Wellington MAC New Zealand 16935 points Santiago Soaring Club Chile scored total 11394 points clubs other countries interested participating IPC Kale Harden can reached 3184 Brunswick Circle Palm Harbor FL 34684 USA Continued page 139 U BIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL OOh Nitromethane 5% Nitromethane 100/0 Nitromethane 150k Nitromethane 25% Nitromethane 350/0 Nitromethane PINTQUARTGALLON $995 $325$495$1295 $395$535$1495 $395$625$1695 $495$795$2295 $595$895$2795 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1395 150h Nitromethane$1625 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subtct change nOtice See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma_IA 50171 U p U3 U U U U K EE U U U U U U Fly-Safe saved Plane AirWavz Flight Systems Inc 47 Leonard Crescent Penfield NY 14526 el 385-8840 U U I i I I I U U U U U U U U U I I U U U U Kit$2595 Assembled . $3495 fadd $305 shippose red handling Qty diseounn Dealer inquires invited k batteries between flight Probably Thats need Fly-Safe Fly-Safe allows fly confidence constantly checking batteriesconnections & radio problems Features On-board battery & Radio monitor Freq checker Plane locator September 1992 137 * Loud warning buzzer * Precision voltage sensing * Easy assemble * Lightweight OS2oz Directory rubber-powered kits Free Flight Duration column April 1992 issue Model Aviation photo Robert really Ray Hayes son Mark Ray longtime Sailplane flier former vice president LSF letter Ray tells story picture worth thousand words attached photo son Mark will tell modeling interest has last few years Hany Murphy name wrong dont care what calls Mark wanted fly RC gliders wanted him learn basic modeling first has won several P-30 3O-in-span rubberpowered sport/duration model contests planes built covered Most contest success has indoors reasons directory continuation Using myself example starting get little burned-out RC Sailplane contests contest old Ford test track Utica Michigan few years ago shared field Free Flight contest bell rang watched Rubber jobs climb out max know people start RC today unaware old-time modeling As result have people come go through RC miss out other areas model aviation Some people might continue model aviation knew about rubberpowered gliders So can give directory some print column maybe can help someone continue model aviation Cloudbusters responsible own continuation model aviation maybe reprints newsletter will keep someone else interested Rays Directory Rubber-powered Kits lists sources Indoor Outdoor Sport Peanut Scale high-performance ultralight rubber-powered models directory appears pretty comprehensive frankly surprised learn market comprises manufacturers Ray also lists sources supplies books magazines how-to information associ ations applications Society Antique Modelers National Free Flight Society So youre interested really basic modeling Rays directory looks ideal place start Send $395 Ray Hayes 69598 Brookhill Drive Romee MI 48065 Bob Holman has added some new Scale glider plans catalog New subjects include Darmstadt D28 Windspiel Oberlechner MG19A Steinadler SDZ 30 Pirat Slingsby T45 Swallow Polish Orlik quarter-scale Scheibe Bergfalke 1/6-scale Most Bobs plans British magazines RC Model World Radio Modeler RCM & E Bob also handles Mike Smart Designs quite few Scale glider plans Germany As added service Bob offering US-made canopies gliders Plan sets range about $10 $30 canopies $10 $15 copy Scale Gliders Catalog send $3 Bob Holman Plans PO Box 741 San Bernardino CA 92402 telephone 714 885-3959 Adventure Day Continued page 41 ultralight-type airspeed indicator ASI Because flying over no able test ASI flight Nonetheless ASIs calibrated up point help John Newman accurate ASI Frank Folbre Frank also trailered home-built project over share us John worked two participants could qualify Boy Scout merit badges Continued page 140 September 1992 139 DEMOUNTABLE HINGE Demountable easy * Construction * Finishing * Repair $1nch Fourmost Demountable Hinge gapless Nylon hinge allows modeler easily remove control surfaces model 1/32 inch piano wire holds hinge place Hinge may installed easily CA adhesives Hinge sold packages 12 6 inch segments sufficient span 3 feet hinge Although manufactured white Hinge may dyed painted match finish Hinge deflects plus minus 45 degrees Product No 141Price 3 ft $495 Fourmost Products 503 357-2732
Edition: Model Aviation - 1992/09
Page Numbers: 62, 63, 133, 136, 137, 139
RADIO CONTROL Byron Blakeslee 3134 N Winnebago Dr Sedalia 0080135 THE SB-XC RnR Products marks milestone Soaring hobby first completely prebuilt cross-country XC glider market Specifically designed XC racing features all-molded construction hollow-core wings flaps ailerons $795 its quite bargain too. wing area works out 48 cents per sq Specs follows Weight Wingspan Wing area Airfoil Mm loading Max loading Aspect ratio Stab span Stab area 93 pounds 180 inches 1656 sq SD 2048 13 ozIsq ft 15 oz/sq ft 1981 365 inches 135 sq Other features include following Fast buildingapproximately 30 hours box launch Low-drag airfoil high lift-to-drag ratio Three-piece wing parabolic planform Full-span camber changing maximizes speed range Molded-in color no painting required Integrated-skin hinged ailerons Carbon-fiber-composite spar talk about RC XC really mean cross-countryas back pickup 40 50 miles XC facet Soaring requires some serious preparation doingyou dont just go down park couple flights after work So its understandable XC attracts relatively small avid following up now few kits market have mostly big polyhedral ships all-wood foam-core wings hard-core XC guys like Joe Wurts have made own fiberglass fuselages vacuum-bagged superstrong poly wings fact Joe set worlds declared straight-line distance record I] Left Dave Corvens granddaughter Audry holds Acme Aircrafts new Infinity three-meter thermal-competition Sailplane kit available $295 Right Three-view 11 8-in-span T-tail Infinity 62 Model Aviation SB-XC first completely prebuilt cross-country glider market $795 its bargain because minimal building time Pancho Morriss Dump Dragon modified Comet Models Massive Max foam glider scares gulls Richard Tiltman holds RnR Products new SB-XC cross-country racing Sailplane model has 15-foot wingspan PRODUCTS FOR TUP fltPAMINfl MflflSI PU Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpasad Wokmmnzhin & PArformAhCG IMPORTED DIESEL ENGINES Worlds Best Selection AE AM Aurora Cipolla D-C KMD MAP Mikro MK MWS Oliver PAW Pfeffer Silver Swallow USE Also Replica Mills MOVO Letmo diesels rare imported glow engines CO motor sets Ten page catalog 1OO CARLSON ENGINE IMPORTS 814 East Marconi Phoenix AZ 85022-3112 2264 kilometers almost 142 miles Wileys Revenge 1988 However Joe thought enough RnR s new SB-XC fly Western Great Race held Taft California mid-May hut won race having flown ship before Joe just returned Japan invited Sanwa Radios put flying demonstrations F3B World Championships-winning Flite Lite Composites Eagle XC design emphasis size speed stability strength Large size important glider can seen couple thousand feet altitude also because contributes flight efficiency Speed obviously required because XC racing Stability needed glider will less fly itself pilot can hardly see Strength must gliders lost blowing up because exceeding red-line speed other cause RnR Products company Rich Spicer Richard Tiltman two Rs already well known Synergy III Synergy 91 ThermalIF3B designs Nova Slope Racer can justifiably proud offering XC fliers full-function Sailplane modern all-molded con struction SB-XC has ailerons also has sufficient polyhedral provide inherent stability ability fully adjust wing camber both positive negative should big advantage coping varying lift/sink conditions looks like SB-XC hot ticket XC contests information order call write RnR September 1992 63 Znntinued nape 133 Above left Kale Harden Ultima Bob Sealy Kale scorekeeper International Postal Competition Above right winning team spring 1992 IPC Modelifluggruppe Thun Switzerland Look Bernese Alps background RC Soaring/Blakeslee Continued page 63 Products 1120 Wrigley Way Milpitas CA 95035 telephone 408 WINGS5 Infinity Acme Aircraft Dave Corven old-timer RC gliders new secretary LSF Daves company Acme Aircraft has manufacturing fibergiass/Keviar fuselages some time Dave has begun producing complete original-design kits eye Daves Infinity veiy attractive wellbalanced-looking Sailplane should good all-around-type Sailplane Daves description new kits am starting limited production run new Infinity kit Im building Three-Meter Standard Class planforms small number Two-Meter Renegades virtually identical Infinity appearance smaller flew Three-Meter version last year Ken Bates flew prototype 100-inch planform Mine RG15 airfoil Ken flew new Outlaw airfoil comparison Ken won two Standard Class events Michigan placed sixth Unlimited Nationals stole win some good finishes veiy best Sailplane have flown since started flying gliders 1971 Actually design began summer 1988 concept being too terribly radical wanted create F3B-capable Sailplane would appeal F3B community also Sailplane pilots skill levels brought point interested higher performance Sallplanes Appearance performance durability construction important con siderations four categories considered simultaneously result Sailplane reasonably pleasing eye performance envelope very broad no known unhappy characteristics Sailplane airfoil probably important single feature selected todays designer has contend good data ever before decision traumatic combination RGl5 some Quabeck 9% airfoils pretty attractive wanted airfoil somewhat responsive camber changes fairly low drag terribly sensitive tip stall conditions Something like having cake eating too final selection 85% Quabeck acquired data year earlier modified build two sets wings design called Outlaw set wings went Ken Bates flew homemade Comet-type fuselage good results testing Ken did seemed prove out characteristics desired carried forward conservative tripletapered planform Infinity little modification Outlaw airfoil root 85% thick 15% camber reduce tip stalling slow thermaling landing speeds airfoil thickness camber increased 90%/20% second taper break location maximum thickness rearward leading edge maintained percentagewise wing configuration flown throughout 1991 season has proven itself capable performer local Thermal Duration contests fuselage construction all-new design slip-nose canopy conventional canopy also available Wing fillets molded-in locations wing joiners vertical fin designed T-tail can configured n conventional midfin stab desired Locations stab wires molded fm Multiplex contest elevator bellerank Construction Infinity really begins shine fuse all-Kevlar has under development almost two years fiberglass fuse Kevlar reinforcements Kevlar fuse Kevlar reinforcements wing fillet area vertical stab fillet area reinforcements sandwiched between two full-length layers Kevlar also two-thirds-length layer Kevlar running between two full-length layers nose well behind wing TE strength-to-weight ratio lay-up probably exceeds other Sailplane fuse captivity today front edge top vertical stab also reinforeed Kevlar tow outside surface fuse layer 1 0-oz fiberglass cloth improved surface quality painting ease entire fuse slipnose canopy weighs 105 11 oz wing conventional composite structure utilizing 12 lbicu ft C-bead white foam 1-in-wide carbon-fiber tow over under spar 20- 30-oz fiberglass cloth leading edge trailing edge full-span under balsa sheeting 1/16 thick 6 8 lb/cu ft An option would put glass cloth over balsa builder wishes have epoxy/glass outer surface spar assembly carries wing rod tube 14mm-inside-diameter aluminum tubing has core balsa ply reinforcement front rear top bottom spar supereasy construct can zoom launched distress stab foam-cored 1/is-in balsa skins 20- 30-oz fiberglass cloth under over skins front pivot wire 1/ setscrew/wheel collars retention rear wire 3/n rudder built-up construction can openstructured sheeted Infinity semikit currently structured provide expert builder basics competitive design yet allow maximum flexibility final Continued page 136 5ThRLI-r U INTERNATIONAL PMT Snapper Pinch-Off Timer 1950 Starline DT Timer $1350 ature 3F Timer $3000 line Signature 5F Timer $1300 line Signature 1/2A 3F Timer $3500 e Round Nose Pliers *1950 Fuel Tubing 3 ft $250 sure Tank Fitting $300 Fuel Cut-Off $4OoeBunt Mechanism $1500 Timer Start Button $1000 e Font End $2000 e Wake Motor Tube $500 other Free Flight items available se add 10% postage log $100 STARUNE INTL 0189 E CACTh5 WREN ROAD TSDALE AZ 55353 September 1992 133 PLANE VIDEO GIVES YOU UBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT ThE FIRST TIME 2-2 HOUR IDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRAFr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSERODS ALIGNMENT BALANCING ANI MUCH MORE $3495 shipping $800 foreign ciders f4EROBATICS & GROUND SCHOOl 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE -OFES SPINS CROSS WIND TECHNIQUES SNAP ROLLS AND MORE $1995 shippIng $000 fomslgn orders BUILDING WITH FOAM 2-HOUR VIDEO PROVIDING INEORMATION ON 110AM WING CORES INSTALLING RETRACTS PRIMING COVERING WITH EG CLOTH PAINTING & DETAILING $1995 shipping $000 foreign orders TAPES AVAILABLE ltd VS-IS ONLY SEND CHECK OR MO TO PLANE VIDEO P0 BOX 23128 CLIVE IA 60325 VISA OR CALL 14003834251 OR pqmsncmg 515-223-0597 24 1403 TOLL FREE IA RESIDENTS ADO 4% SALES TAM Electric F ight Has Brake LIghtweight 12 OLmoney back Adjastahie switching point Solderless terminal far easy haokssp $2 ON/OFF Controller995 Mare Power save weight ot2O Size 22x13L63 v hagh efficsency 006V lass Add $100 foe shipping Colifoosia resideols add 7257i $2 7 Ta Send Check money order Come soithHigh Sky Fslahoonnontor3929 KanSaS St #9 eSter coooecIors 000fllmnnflft 92104 also availableSan WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BAL BA SHEETS 36 48 30 1/16e233 3/32e240 1/8e243 3/16249 1/4258 1/32x337 1/20337 1/163374931 3/32x3445837 1/83557445 3/183638455 1/43759861 5/18387115 3/839012871 1/23114160 3/43170200 1/16x4587848 3/32 4729756 1/848210966 3/1649612675 1/4411513984 3/84170235144 1/24235273200 MATCHED SHEETS 42 3/324109 1/8 x4129 3/164144 1/4 x4155 SALU STiCKS 36 48 1/18x 1/410 1/16x 3/811 1/16x 1/215 3/32x 1412 3/32e 3/813 3/32x 1/217 1/8x 1/809 1/Be 1141218 1/Be 3/81319 1/8 1/21824 3/16x3/161219 3/16x 3/81821 3/16x 1/22231 1/4 1/41826 1/4x 3/82128 1/4x 1/22232 1/4x 3/43445 1/4x 14257 5/18 x 5/162330 3/8 3/82939 3/8 x 1/23349 3/8 3/44458 3/8x 15473 1/2x 1/23855 1/2 3/44866 1/2x 18082 5/8 x 5/85270 3/4 3/47598 BALSA HOT LINE CuN 688745 8394 lOam ApmCntraITinie QC~ w BALSA TRIANGLES 36 4425 383830 235 343445 55 BALM PLANKS SB 90 25 329 4293 112,3302 124395 22231 23335 24475 33515 34715 TAPERED SHEETS36 14265 14395 38268 35395 123120 LONE STAR EPOXY 9ozList999 Sm/n600 15mm600 30 rn/n600 LIGHT 4-6 LB WOOD36 1/32382 120362 116362 332374 119351 3183105 143125 3193150 123190 343300 13415 116490 3/324119 1194135 3184157 144190 384290 124385 TRAiLING EDGE 36 4132 51511439 361146 2270 INSTANT CL UE 1 07 Thick300 1 oz Thin300 207 Thick550 2 ox Thin550 BASSWOOD48 31531626 3161430 3163938 3161246 31163480 1141442 43849 143490 383560 391270 383490 121290 234100 BUNDLE DEALS 20-1/16x3a36699 20-1/164361035 20-3/32x3o36875 15-3/32436955 15-1/8x336750 10-1/84x38695 15-3/1 63x36940 10-3/16x4x36835 10-1/4o3x36655 10-1/4o4o361050 10-3/83x36890 5-3/8x4o36655 5-1 /2x3e36540 5-1/2x4o361110 1 0-3/32n448930 5-1 /8x448525 5-3/1 6x448620 5-1/4448680 * NEW * Hundreds new sizes accessories finishing materials Send #10 SASE latest catalog SPRUCE STICKS 3648 15 181725 18 142026 18 362232 3163162839 14 143450 14 384055 14 124565 39394969 39 129077 12 126689 12347597 SPRUCE TRIANGLES 3838 1212 34 34 HARD MAPLE 4 38 3838 38 1 2 3534 12 34 IS 40 45 50 59 68 BIRCH DOWELS 18 315 14 516 35 8PLY3WCH48 1/04x12835 132x12476 1I16x12475 1/8x12456 5 PLYBIRCH 48 3/32 12725 1/8 12800 36 3/1612625 643/8 x12725 811/2 12900 LflEPLVd8 CR00 VEDLG MOUNTS 125whi 1753/8x3/4l1/8/AS 3503/8 x3/4l5/32/45 2761/23/4/3/16/50 550 11812 114 x6 114 x 12 LONE STAR MODELS IX 79412 Cont 48 Handling Charge pay UPS Add $400 COD $500 extra PP APO FPO 1623 57tl St Lubbock States accepl VISA MasterCard persons1 checks COD 6Y% mx Texas US currency Mm wood order $1000 i Electric Vacuum Bagging System Foam Core Wings $74 95* Complete Easy Use Md tpng & handing Ca5forrsa re4dents odd ideS tax Send $300 infomatian package Dealer Inquiries Invited VISA Mastercard Accepted RC SoaringlBlakeslee Continued page 133 construction instance builder can use own favonte spar structure reproduce spar shown plans Other areas such choice elevator rudder cableslpushrods radio installation can easily varied according preference After have ever known modeler didnt modify anything built whether kit plans own design also allows keep price kit area acceptability Included kit retail price $295 plus $10 shipping Keviar fuse foam wing cores stab cores 1/16-in balsa sheeting wing stab 14mm prebent T-6 aluminum alloy wing rod tubes aluminum arrow shaft tubing flap aileron hinges contest elevator bellcrank plans Individual components available well other Sailplane goodies supplies Send SASE Daves complete price list sells supplies need build higher tech gliders Address Acme Aircraft 61501 N Ridge Trail Romeo MI 48065 telephone 313 656-1879 International postai competition big things enjoy about Soaring hobby ability travel nearly country world meet people same interests may speak same language fliers know little Englisheven us IPC low-key event designed promote friendships between Soaring clubs countries possible Its limited club country best five individual scores counting toward clubs score Kale Harden Palm Harbor Florida kind enough write let us know latest about IPC bring everyone up date International Postal Competition few years ago turned scoring secretary ing event over Australian club Im now doing job again can provide latest news just finished March-April contest seven countries participated Swiss best team score first participation would expect weather bad Switzerland time year obviously good better conditions rest us Probably better fliers too thing makes event special fact have doing twice year 10 years now must doing something right certainly says something about idea international competitions exchanging results mail Most clubs have 15 40 members some have very faithful IPC over years New Zealand club instance has never come first 136 Model Aviation CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa have competed almost club Pelicans Tampa-St Pete areaRB Australians two initiating clubs contest have both participated contest whole 10 years Over years have varied tasks Initially flew six-minute Precision Duration la F3B rules flew two tasks contest rotation between F3B Speed F3B Distance always including six-minute Duration task accordance KISS principle now back six-minute Duration task fly five rounds twice year Twice year may need some explaining Half teams Southern Hemisphere winter summer vice versa Holding contest once year say summer would unfair vice versa So decided have two events year spring fall began just Pelicans Brisbane club Dan Pruss heard about contest described Soaring column Immediately heard several countries wanting join fun Ive corresponded teams 14 countries past 10 years have eight countries participate contest Japan asked join found out team would composed Sailpianers Japan decline Over years have some notable fliers compete IPC name few Walt Gcod Brian Agnew Leon Kincaid John Gunsaullus US Gany Jordan perennial F3B team member Australia Brian Sharp Scotland Rudiger Kraus Reinhard Werner Germany Sean Walbank England John Lightfcot South Mrica As usual weather lot results team correspondent said team enjoyed experience regardless placing Germany England didnt respond time Canada Ireland indicated would participate fall contest should have 10 teamsa new record Modellfluggruppe Switzerland won first place International Postal Competition 21003 points Next came Pelican SA USA 19955 points Brisbane MSC Australia third place 18476 points followed fourth-place Scottish Aeromodelers Scotland 18114 points Southern Soaring Club South Africa 16955 points closely followed Wellington MAC New Zealand 16935 points Santiago Soaring Club Chile scored total 11394 points clubs other countries interested participating IPC Kale Harden can reached 3184 Brunswick Circle Palm Harbor FL 34684 USA Continued page 139 U BIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL OOh Nitromethane 5% Nitromethane 100/0 Nitromethane 150k Nitromethane 25% Nitromethane 350/0 Nitromethane PINTQUARTGALLON $995 $325$495$1295 $395$535$1495 $395$625$1695 $495$795$2295 $595$895$2795 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1395 150h Nitromethane$1625 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subtct change nOtice See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma_IA 50171 U p U3 U U U U K EE U U U U U U Fly-Safe saved Plane AirWavz Flight Systems Inc 47 Leonard Crescent Penfield NY 14526 el 385-8840 U U I i I I I U U U U U U U U U I I U U U U Kit$2595 Assembled . $3495 fadd $305 shippose red handling Qty diseounn Dealer inquires invited k batteries between flight Probably Thats need Fly-Safe Fly-Safe allows fly confidence constantly checking batteriesconnections & radio problems Features On-board battery & Radio monitor Freq checker Plane locator September 1992 137 * Loud warning buzzer * Precision voltage sensing * Easy assemble * Lightweight OS2oz Directory rubber-powered kits Free Flight Duration column April 1992 issue Model Aviation photo Robert really Ray Hayes son Mark Ray longtime Sailplane flier former vice president LSF letter Ray tells story picture worth thousand words attached photo son Mark will tell modeling interest has last few years Hany Murphy name wrong dont care what calls Mark wanted fly RC gliders wanted him learn basic modeling first has won several P-30 3O-in-span rubberpowered sport/duration model contests planes built covered Most contest success has indoors reasons directory continuation Using myself example starting get little burned-out RC Sailplane contests contest old Ford test track Utica Michigan few years ago shared field Free Flight contest bell rang watched Rubber jobs climb out max know people start RC today unaware old-time modeling As result have people come go through RC miss out other areas model aviation Some people might continue model aviation knew about rubberpowered gliders So can give directory some print column maybe can help someone continue model aviation Cloudbusters responsible own continuation model aviation maybe reprints newsletter will keep someone else interested Rays Directory Rubber-powered Kits lists sources Indoor Outdoor Sport Peanut Scale high-performance ultralight rubber-powered models directory appears pretty comprehensive frankly surprised learn market comprises manufacturers Ray also lists sources supplies books magazines how-to information associ ations applications Society Antique Modelers National Free Flight Society So youre interested really basic modeling Rays directory looks ideal place start Send $395 Ray Hayes 69598 Brookhill Drive Romee MI 48065 Bob Holman has added some new Scale glider plans catalog New subjects include Darmstadt D28 Windspiel Oberlechner MG19A Steinadler SDZ 30 Pirat Slingsby T45 Swallow Polish Orlik quarter-scale Scheibe Bergfalke 1/6-scale Most Bobs plans British magazines RC Model World Radio Modeler RCM & E Bob also handles Mike Smart Designs quite few Scale glider plans Germany As added service Bob offering US-made canopies gliders Plan sets range about $10 $30 canopies $10 $15 copy Scale Gliders Catalog send $3 Bob Holman Plans PO Box 741 San Bernardino CA 92402 telephone 714 885-3959 Adventure Day Continued page 41 ultralight-type airspeed indicator ASI Because flying over no able test ASI flight Nonetheless ASIs calibrated up point help John Newman accurate ASI Frank Folbre Frank also trailered home-built project over share us John worked two participants could qualify Boy Scout merit badges Continued page 140 September 1992 139 DEMOUNTABLE HINGE Demountable easy * Construction * Finishing * Repair $1nch Fourmost Demountable Hinge gapless Nylon hinge allows modeler easily remove control surfaces model 1/32 inch piano wire holds hinge place Hinge may installed easily CA adhesives Hinge sold packages 12 6 inch segments sufficient span 3 feet hinge Although manufactured white Hinge may dyed painted match finish Hinge deflects plus minus 45 degrees Product No 141Price 3 ft $495 Fourmost Products 503 357-2732
Edition: Model Aviation - 1992/09
Page Numbers: 62, 63, 133, 136, 137, 139
RADIO CONTROL Byron Blakeslee 3134 N Winnebago Dr Sedalia 0080135 THE SB-XC RnR Products marks milestone Soaring hobby first completely prebuilt cross-country XC glider market Specifically designed XC racing features all-molded construction hollow-core wings flaps ailerons $795 its quite bargain too. wing area works out 48 cents per sq Specs follows Weight Wingspan Wing area Airfoil Mm loading Max loading Aspect ratio Stab span Stab area 93 pounds 180 inches 1656 sq SD 2048 13 ozIsq ft 15 oz/sq ft 1981 365 inches 135 sq Other features include following Fast buildingapproximately 30 hours box launch Low-drag airfoil high lift-to-drag ratio Three-piece wing parabolic planform Full-span camber changing maximizes speed range Molded-in color no painting required Integrated-skin hinged ailerons Carbon-fiber-composite spar talk about RC XC really mean cross-countryas back pickup 40 50 miles XC facet Soaring requires some serious preparation doingyou dont just go down park couple flights after work So its understandable XC attracts relatively small avid following up now few kits market have mostly big polyhedral ships all-wood foam-core wings hard-core XC guys like Joe Wurts have made own fiberglass fuselages vacuum-bagged superstrong poly wings fact Joe set worlds declared straight-line distance record I] Left Dave Corvens granddaughter Audry holds Acme Aircrafts new Infinity three-meter thermal-competition Sailplane kit available $295 Right Three-view 11 8-in-span T-tail Infinity 62 Model Aviation SB-XC first completely prebuilt cross-country glider market $795 its bargain because minimal building time Pancho Morriss Dump Dragon modified Comet Models Massive Max foam glider scares gulls Richard Tiltman holds RnR Products new SB-XC cross-country racing Sailplane model has 15-foot wingspan PRODUCTS FOR TUP fltPAMINfl MflflSI PU Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpasad Wokmmnzhin & PArformAhCG IMPORTED DIESEL ENGINES Worlds Best Selection AE AM Aurora Cipolla D-C KMD MAP Mikro MK MWS Oliver PAW Pfeffer Silver Swallow USE Also Replica Mills MOVO Letmo diesels rare imported glow engines CO motor sets Ten page catalog 1OO CARLSON ENGINE IMPORTS 814 East Marconi Phoenix AZ 85022-3112 2264 kilometers almost 142 miles Wileys Revenge 1988 However Joe thought enough RnR s new SB-XC fly Western Great Race held Taft California mid-May hut won race having flown ship before Joe just returned Japan invited Sanwa Radios put flying demonstrations F3B World Championships-winning Flite Lite Composites Eagle XC design emphasis size speed stability strength Large size important glider can seen couple thousand feet altitude also because contributes flight efficiency Speed obviously required because XC racing Stability needed glider will less fly itself pilot can hardly see Strength must gliders lost blowing up because exceeding red-line speed other cause RnR Products company Rich Spicer Richard Tiltman two Rs already well known Synergy III Synergy 91 ThermalIF3B designs Nova Slope Racer can justifiably proud offering XC fliers full-function Sailplane modern all-molded con struction SB-XC has ailerons also has sufficient polyhedral provide inherent stability ability fully adjust wing camber both positive negative should big advantage coping varying lift/sink conditions looks like SB-XC hot ticket XC contests information order call write RnR September 1992 63 Znntinued nape 133 Above left Kale Harden Ultima Bob Sealy Kale scorekeeper International Postal Competition Above right winning team spring 1992 IPC Modelifluggruppe Thun Switzerland Look Bernese Alps background RC Soaring/Blakeslee Continued page 63 Products 1120 Wrigley Way Milpitas CA 95035 telephone 408 WINGS5 Infinity Acme Aircraft Dave Corven old-timer RC gliders new secretary LSF Daves company Acme Aircraft has manufacturing fibergiass/Keviar fuselages some time Dave has begun producing complete original-design kits eye Daves Infinity veiy attractive wellbalanced-looking Sailplane should good all-around-type Sailplane Daves description new kits am starting limited production run new Infinity kit Im building Three-Meter Standard Class planforms small number Two-Meter Renegades virtually identical Infinity appearance smaller flew Three-Meter version last year Ken Bates flew prototype 100-inch planform Mine RG15 airfoil Ken flew new Outlaw airfoil comparison Ken won two Standard Class events Michigan placed sixth Unlimited Nationals stole win some good finishes veiy best Sailplane have flown since started flying gliders 1971 Actually design began summer 1988 concept being too terribly radical wanted create F3B-capable Sailplane would appeal F3B community also Sailplane pilots skill levels brought point interested higher performance Sallplanes Appearance performance durability construction important con siderations four categories considered simultaneously result Sailplane reasonably pleasing eye performance envelope very broad no known unhappy characteristics Sailplane airfoil probably important single feature selected todays designer has contend good data ever before decision traumatic combination RGl5 some Quabeck 9% airfoils pretty attractive wanted airfoil somewhat responsive camber changes fairly low drag terribly sensitive tip stall conditions Something like having cake eating too final selection 85% Quabeck acquired data year earlier modified build two sets wings design called Outlaw set wings went Ken Bates flew homemade Comet-type fuselage good results testing Ken did seemed prove out characteristics desired carried forward conservative tripletapered planform Infinity little modification Outlaw airfoil root 85% thick 15% camber reduce tip stalling slow thermaling landing speeds airfoil thickness camber increased 90%/20% second taper break location maximum thickness rearward leading edge maintained percentagewise wing configuration flown throughout 1991 season has proven itself capable performer local Thermal Duration contests fuselage construction all-new design slip-nose canopy conventional canopy also available Wing fillets molded-in locations wing joiners vertical fin designed T-tail can configured n conventional midfin stab desired Locations stab wires molded fm Multiplex contest elevator bellerank Construction Infinity really begins shine fuse all-Kevlar has under development almost two years fiberglass fuse Kevlar reinforcements Kevlar fuse Kevlar reinforcements wing fillet area vertical stab fillet area reinforcements sandwiched between two full-length layers Kevlar also two-thirds-length layer Kevlar running between two full-length layers nose well behind wing TE strength-to-weight ratio lay-up probably exceeds other Sailplane fuse captivity today front edge top vertical stab also reinforeed Kevlar tow outside surface fuse layer 1 0-oz fiberglass cloth improved surface quality painting ease entire fuse slipnose canopy weighs 105 11 oz wing conventional composite structure utilizing 12 lbicu ft C-bead white foam 1-in-wide carbon-fiber tow over under spar 20- 30-oz fiberglass cloth leading edge trailing edge full-span under balsa sheeting 1/16 thick 6 8 lb/cu ft An option would put glass cloth over balsa builder wishes have epoxy/glass outer surface spar assembly carries wing rod tube 14mm-inside-diameter aluminum tubing has core balsa ply reinforcement front rear top bottom spar supereasy construct can zoom launched distress stab foam-cored 1/is-in balsa skins 20- 30-oz fiberglass cloth under over skins front pivot wire 1/ setscrew/wheel collars retention rear wire 3/n rudder built-up construction can openstructured sheeted Infinity semikit currently structured provide expert builder basics competitive design yet allow maximum flexibility final Continued page 136 5ThRLI-r U INTERNATIONAL PMT Snapper Pinch-Off Timer 1950 Starline DT Timer $1350 ature 3F Timer $3000 line Signature 5F Timer $1300 line Signature 1/2A 3F Timer $3500 e Round Nose Pliers *1950 Fuel Tubing 3 ft $250 sure Tank Fitting $300 Fuel Cut-Off $4OoeBunt Mechanism $1500 Timer Start Button $1000 e Font End $2000 e Wake Motor Tube $500 other Free Flight items available se add 10% postage log $100 STARUNE INTL 0189 E CACTh5 WREN ROAD TSDALE AZ 55353 September 1992 133 PLANE VIDEO GIVES YOU UBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT ThE FIRST TIME 2-2 HOUR IDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRAFr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSERODS ALIGNMENT BALANCING ANI MUCH MORE $3495 shipping $800 foreign ciders f4EROBATICS & GROUND SCHOOl 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE -OFES SPINS CROSS WIND TECHNIQUES SNAP ROLLS AND MORE $1995 shippIng $000 fomslgn orders BUILDING WITH FOAM 2-HOUR VIDEO PROVIDING INEORMATION ON 110AM WING CORES INSTALLING RETRACTS PRIMING COVERING WITH EG CLOTH PAINTING & DETAILING $1995 shipping $000 foreign orders TAPES AVAILABLE ltd VS-IS ONLY SEND CHECK OR MO TO PLANE VIDEO P0 BOX 23128 CLIVE IA 60325 VISA OR CALL 14003834251 OR pqmsncmg 515-223-0597 24 1403 TOLL FREE IA RESIDENTS ADO 4% SALES TAM Electric F ight Has Brake LIghtweight 12 OLmoney back Adjastahie switching point Solderless terminal far easy haokssp $2 ON/OFF Controller995 Mare Power save weight ot2O Size 22x13L63 v hagh efficsency 006V lass Add $100 foe shipping Colifoosia resideols add 7257i $2 7 Ta Send Check money order Come soithHigh Sky Fslahoonnontor3929 KanSaS St #9 eSter coooecIors 000fllmnnflft 92104 also availableSan WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BAL BA SHEETS 36 48 30 1/16e233 3/32e240 1/8e243 3/16249 1/4258 1/32x337 1/20337 1/163374931 3/32x3445837 1/83557445 3/183638455 1/43759861 5/18387115 3/839012871 1/23114160 3/43170200 1/16x4587848 3/32 4729756 1/848210966 3/1649612675 1/4411513984 3/84170235144 1/24235273200 MATCHED SHEETS 42 3/324109 1/8 x4129 3/164144 1/4 x4155 SALU STiCKS 36 48 1/18x 1/410 1/16x 3/811 1/16x 1/215 3/32x 1412 3/32e 3/813 3/32x 1/217 1/8x 1/809 1/Be 1141218 1/Be 3/81319 1/8 1/21824 3/16x3/161219 3/16x 3/81821 3/16x 1/22231 1/4 1/41826 1/4x 3/82128 1/4x 1/22232 1/4x 3/43445 1/4x 14257 5/18 x 5/162330 3/8 3/82939 3/8 x 1/23349 3/8 3/44458 3/8x 15473 1/2x 1/23855 1/2 3/44866 1/2x 18082 5/8 x 5/85270 3/4 3/47598 BALSA HOT LINE CuN 688745 8394 lOam ApmCntraITinie QC~ w BALSA TRIANGLES 36 4425 383830 235 343445 55 BALM PLANKS SB 90 25 329 4293 112,3302 124395 22231 23335 24475 33515 34715 TAPERED SHEETS36 14265 14395 38268 35395 123120 LONE STAR EPOXY 9ozList999 Sm/n600 15mm600 30 rn/n600 LIGHT 4-6 LB WOOD36 1/32382 120362 116362 332374 119351 3183105 143125 3193150 123190 343300 13415 116490 3/324119 1194135 3184157 144190 384290 124385 TRAiLING EDGE 36 4132 51511439 361146 2270 INSTANT CL UE 1 07 Thick300 1 oz Thin300 207 Thick550 2 ox Thin550 BASSWOOD48 31531626 3161430 3163938 3161246 31163480 1141442 43849 143490 383560 391270 383490 121290 234100 BUNDLE DEALS 20-1/16x3a36699 20-1/164361035 20-3/32x3o36875 15-3/32436955 15-1/8x336750 10-1/84x38695 15-3/1 63x36940 10-3/16x4x36835 10-1/4o3x36655 10-1/4o4o361050 10-3/83x36890 5-3/8x4o36655 5-1 /2x3e36540 5-1/2x4o361110 1 0-3/32n448930 5-1 /8x448525 5-3/1 6x448620 5-1/4448680 * NEW * Hundreds new sizes accessories finishing materials Send #10 SASE latest catalog SPRUCE STICKS 3648 15 181725 18 142026 18 362232 3163162839 14 143450 14 384055 14 124565 39394969 39 129077 12 126689 12347597 SPRUCE TRIANGLES 3838 1212 34 34 HARD MAPLE 4 38 3838 38 1 2 3534 12 34 IS 40 45 50 59 68 BIRCH DOWELS 18 315 14 516 35 8PLY3WCH48 1/04x12835 132x12476 1I16x12475 1/8x12456 5 PLYBIRCH 48 3/32 12725 1/8 12800 36 3/1612625 643/8 x12725 811/2 12900 LflEPLVd8 CR00 VEDLG MOUNTS 125whi 1753/8x3/4l1/8/AS 3503/8 x3/4l5/32/45 2761/23/4/3/16/50 550 11812 114 x6 114 x 12 LONE STAR MODELS IX 79412 Cont 48 Handling Charge pay UPS Add $400 COD $500 extra PP APO FPO 1623 57tl St Lubbock States accepl VISA MasterCard persons1 checks COD 6Y% mx Texas US currency Mm wood order $1000 i Electric Vacuum Bagging System Foam Core Wings $74 95* Complete Easy Use Md tpng & handing Ca5forrsa re4dents odd ideS tax Send $300 infomatian package Dealer Inquiries Invited VISA Mastercard Accepted RC SoaringlBlakeslee Continued page 133 construction instance builder can use own favonte spar structure reproduce spar shown plans Other areas such choice elevator rudder cableslpushrods radio installation can easily varied according preference After have ever known modeler didnt modify anything built whether kit plans own design also allows keep price kit area acceptability Included kit retail price $295 plus $10 shipping Keviar fuse foam wing cores stab cores 1/16-in balsa sheeting wing stab 14mm prebent T-6 aluminum alloy wing rod tubes aluminum arrow shaft tubing flap aileron hinges contest elevator bellcrank plans Individual components available well other Sailplane goodies supplies Send SASE Daves complete price list sells supplies need build higher tech gliders Address Acme Aircraft 61501 N Ridge Trail Romeo MI 48065 telephone 313 656-1879 International postai competition big things enjoy about Soaring hobby ability travel nearly country world meet people same interests may speak same language fliers know little Englisheven us IPC low-key event designed promote friendships between Soaring clubs countries possible Its limited club country best five individual scores counting toward clubs score Kale Harden Palm Harbor Florida kind enough write let us know latest about IPC bring everyone up date International Postal Competition few years ago turned scoring secretary ing event over Australian club Im now doing job again can provide latest news just finished March-April contest seven countries participated Swiss best team score first participation would expect weather bad Switzerland time year obviously good better conditions rest us Probably better fliers too thing makes event special fact have doing twice year 10 years now must doing something right certainly says something about idea international competitions exchanging results mail Most clubs have 15 40 members some have very faithful IPC over years New Zealand club instance has never come first 136 Model Aviation CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa have competed almost club Pelicans Tampa-St Pete areaRB Australians two initiating clubs contest have both participated contest whole 10 years Over years have varied tasks Initially flew six-minute Precision Duration la F3B rules flew two tasks contest rotation between F3B Speed F3B Distance always including six-minute Duration task accordance KISS principle now back six-minute Duration task fly five rounds twice year Twice year may need some explaining Half teams Southern Hemisphere winter summer vice versa Holding contest once year say summer would unfair vice versa So decided have two events year spring fall began just Pelicans Brisbane club Dan Pruss heard about contest described Soaring column Immediately heard several countries wanting join fun Ive corresponded teams 14 countries past 10 years have eight countries participate contest Japan asked join found out team would composed Sailpianers Japan decline Over years have some notable fliers compete IPC name few Walt Gcod Brian Agnew Leon Kincaid John Gunsaullus US Gany Jordan perennial F3B team member Australia Brian Sharp Scotland Rudiger Kraus Reinhard Werner Germany Sean Walbank England John Lightfcot South Mrica As usual weather lot results team correspondent said team enjoyed experience regardless placing Germany England didnt respond time Canada Ireland indicated would participate fall contest should have 10 teamsa new record Modellfluggruppe Switzerland won first place International Postal Competition 21003 points Next came Pelican SA USA 19955 points Brisbane MSC Australia third place 18476 points followed fourth-place Scottish Aeromodelers Scotland 18114 points Southern Soaring Club South Africa 16955 points closely followed Wellington MAC New Zealand 16935 points Santiago Soaring Club Chile scored total 11394 points clubs other countries interested participating IPC Kale Harden can reached 3184 Brunswick Circle Palm Harbor FL 34684 USA Continued page 139 U BIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL OOh Nitromethane 5% Nitromethane 100/0 Nitromethane 150k Nitromethane 25% Nitromethane 350/0 Nitromethane PINTQUARTGALLON $995 $325$495$1295 $395$535$1495 $395$625$1695 $495$795$2295 $595$895$2795 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1395 150h Nitromethane$1625 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subtct change nOtice See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma_IA 50171 U p U3 U U U U K EE U U U U U U Fly-Safe saved Plane AirWavz Flight Systems Inc 47 Leonard Crescent Penfield NY 14526 el 385-8840 U U I i I I I U U U U U U U U U I I U U U U Kit$2595 Assembled . $3495 fadd $305 shippose red handling Qty diseounn Dealer inquires invited k batteries between flight Probably Thats need Fly-Safe Fly-Safe allows fly confidence constantly checking batteriesconnections & radio problems Features On-board battery & Radio monitor Freq checker Plane locator September 1992 137 * Loud warning buzzer * Precision voltage sensing * Easy assemble * Lightweight OS2oz Directory rubber-powered kits Free Flight Duration column April 1992 issue Model Aviation photo Robert really Ray Hayes son Mark Ray longtime Sailplane flier former vice president LSF letter Ray tells story picture worth thousand words attached photo son Mark will tell modeling interest has last few years Hany Murphy name wrong dont care what calls Mark wanted fly RC gliders wanted him learn basic modeling first has won several P-30 3O-in-span rubberpowered sport/duration model contests planes built covered Most contest success has indoors reasons directory continuation Using myself example starting get little burned-out RC Sailplane contests contest old Ford test track Utica Michigan few years ago shared field Free Flight contest bell rang watched Rubber jobs climb out max know people start RC today unaware old-time modeling As result have people come go through RC miss out other areas model aviation Some people might continue model aviation knew about rubberpowered gliders So can give directory some print column maybe can help someone continue model aviation Cloudbusters responsible own continuation model aviation maybe reprints newsletter will keep someone else interested Rays Directory Rubber-powered Kits lists sources Indoor Outdoor Sport Peanut Scale high-performance ultralight rubber-powered models directory appears pretty comprehensive frankly surprised learn market comprises manufacturers Ray also lists sources supplies books magazines how-to information associ ations applications Society Antique Modelers National Free Flight Society So youre interested really basic modeling Rays directory looks ideal place start Send $395 Ray Hayes 69598 Brookhill Drive Romee MI 48065 Bob Holman has added some new Scale glider plans catalog New subjects include Darmstadt D28 Windspiel Oberlechner MG19A Steinadler SDZ 30 Pirat Slingsby T45 Swallow Polish Orlik quarter-scale Scheibe Bergfalke 1/6-scale Most Bobs plans British magazines RC Model World Radio Modeler RCM & E Bob also handles Mike Smart Designs quite few Scale glider plans Germany As added service Bob offering US-made canopies gliders Plan sets range about $10 $30 canopies $10 $15 copy Scale Gliders Catalog send $3 Bob Holman Plans PO Box 741 San Bernardino CA 92402 telephone 714 885-3959 Adventure Day Continued page 41 ultralight-type airspeed indicator ASI Because flying over no able test ASI flight Nonetheless ASIs calibrated up point help John Newman accurate ASI Frank Folbre Frank also trailered home-built project over share us John worked two participants could qualify Boy Scout merit badges Continued page 140 September 1992 139 DEMOUNTABLE HINGE Demountable easy * Construction * Finishing * Repair $1nch Fourmost Demountable Hinge gapless Nylon hinge allows modeler easily remove control surfaces model 1/32 inch piano wire holds hinge place Hinge may installed easily CA adhesives Hinge sold packages 12 6 inch segments sufficient span 3 feet hinge Although manufactured white Hinge may dyed painted match finish Hinge deflects plus minus 45 degrees Product No 141Price 3 ft $495 Fourmost Products 503 357-2732
Edition: Model Aviation - 1992/09
Page Numbers: 62, 63, 133, 136, 137, 139
RADIO CONTROL Byron Blakeslee 3134 N Winnebago Dr Sedalia 0080135 THE SB-XC RnR Products marks milestone Soaring hobby first completely prebuilt cross-country XC glider market Specifically designed XC racing features all-molded construction hollow-core wings flaps ailerons $795 its quite bargain too. wing area works out 48 cents per sq Specs follows Weight Wingspan Wing area Airfoil Mm loading Max loading Aspect ratio Stab span Stab area 93 pounds 180 inches 1656 sq SD 2048 13 ozIsq ft 15 oz/sq ft 1981 365 inches 135 sq Other features include following Fast buildingapproximately 30 hours box launch Low-drag airfoil high lift-to-drag ratio Three-piece wing parabolic planform Full-span camber changing maximizes speed range Molded-in color no painting required Integrated-skin hinged ailerons Carbon-fiber-composite spar talk about RC XC really mean cross-countryas back pickup 40 50 miles XC facet Soaring requires some serious preparation doingyou dont just go down park couple flights after work So its understandable XC attracts relatively small avid following up now few kits market have mostly big polyhedral ships all-wood foam-core wings hard-core XC guys like Joe Wurts have made own fiberglass fuselages vacuum-bagged superstrong poly wings fact Joe set worlds declared straight-line distance record I] Left Dave Corvens granddaughter Audry holds Acme Aircrafts new Infinity three-meter thermal-competition Sailplane kit available $295 Right Three-view 11 8-in-span T-tail Infinity 62 Model Aviation SB-XC first completely prebuilt cross-country glider market $795 its bargain because minimal building time Pancho Morriss Dump Dragon modified Comet Models Massive Max foam glider scares gulls Richard Tiltman holds RnR Products new SB-XC cross-country racing Sailplane model has 15-foot wingspan PRODUCTS FOR TUP fltPAMINfl MflflSI PU Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpasad Wokmmnzhin & PArformAhCG IMPORTED DIESEL ENGINES Worlds Best Selection AE AM Aurora Cipolla D-C KMD MAP Mikro MK MWS Oliver PAW Pfeffer Silver Swallow USE Also Replica Mills MOVO Letmo diesels rare imported glow engines CO motor sets Ten page catalog 1OO CARLSON ENGINE IMPORTS 814 East Marconi Phoenix AZ 85022-3112 2264 kilometers almost 142 miles Wileys Revenge 1988 However Joe thought enough RnR s new SB-XC fly Western Great Race held Taft California mid-May hut won race having flown ship before Joe just returned Japan invited Sanwa Radios put flying demonstrations F3B World Championships-winning Flite Lite Composites Eagle XC design emphasis size speed stability strength Large size important glider can seen couple thousand feet altitude also because contributes flight efficiency Speed obviously required because XC racing Stability needed glider will less fly itself pilot can hardly see Strength must gliders lost blowing up because exceeding red-line speed other cause RnR Products company Rich Spicer Richard Tiltman two Rs already well known Synergy III Synergy 91 ThermalIF3B designs Nova Slope Racer can justifiably proud offering XC fliers full-function Sailplane modern all-molded con struction SB-XC has ailerons also has sufficient polyhedral provide inherent stability ability fully adjust wing camber both positive negative should big advantage coping varying lift/sink conditions looks like SB-XC hot ticket XC contests information order call write RnR September 1992 63 Znntinued nape 133 Above left Kale Harden Ultima Bob Sealy Kale scorekeeper International Postal Competition Above right winning team spring 1992 IPC Modelifluggruppe Thun Switzerland Look Bernese Alps background RC Soaring/Blakeslee Continued page 63 Products 1120 Wrigley Way Milpitas CA 95035 telephone 408 WINGS5 Infinity Acme Aircraft Dave Corven old-timer RC gliders new secretary LSF Daves company Acme Aircraft has manufacturing fibergiass/Keviar fuselages some time Dave has begun producing complete original-design kits eye Daves Infinity veiy attractive wellbalanced-looking Sailplane should good all-around-type Sailplane Daves description new kits am starting limited production run new Infinity kit Im building Three-Meter Standard Class planforms small number Two-Meter Renegades virtually identical Infinity appearance smaller flew Three-Meter version last year Ken Bates flew prototype 100-inch planform Mine RG15 airfoil Ken flew new Outlaw airfoil comparison Ken won two Standard Class events Michigan placed sixth Unlimited Nationals stole win some good finishes veiy best Sailplane have flown since started flying gliders 1971 Actually design began summer 1988 concept being too terribly radical wanted create F3B-capable Sailplane would appeal F3B community also Sailplane pilots skill levels brought point interested higher performance Sallplanes Appearance performance durability construction important con siderations four categories considered simultaneously result Sailplane reasonably pleasing eye performance envelope very broad no known unhappy characteristics Sailplane airfoil probably important single feature selected todays designer has contend good data ever before decision traumatic combination RGl5 some Quabeck 9% airfoils pretty attractive wanted airfoil somewhat responsive camber changes fairly low drag terribly sensitive tip stall conditions Something like having cake eating too final selection 85% Quabeck acquired data year earlier modified build two sets wings design called Outlaw set wings went Ken Bates flew homemade Comet-type fuselage good results testing Ken did seemed prove out characteristics desired carried forward conservative tripletapered planform Infinity little modification Outlaw airfoil root 85% thick 15% camber reduce tip stalling slow thermaling landing speeds airfoil thickness camber increased 90%/20% second taper break location maximum thickness rearward leading edge maintained percentagewise wing configuration flown throughout 1991 season has proven itself capable performer local Thermal Duration contests fuselage construction all-new design slip-nose canopy conventional canopy also available Wing fillets molded-in locations wing joiners vertical fin designed T-tail can configured n conventional midfin stab desired Locations stab wires molded fm Multiplex contest elevator bellerank Construction Infinity really begins shine fuse all-Kevlar has under development almost two years fiberglass fuse Kevlar reinforcements Kevlar fuse Kevlar reinforcements wing fillet area vertical stab fillet area reinforcements sandwiched between two full-length layers Kevlar also two-thirds-length layer Kevlar running between two full-length layers nose well behind wing TE strength-to-weight ratio lay-up probably exceeds other Sailplane fuse captivity today front edge top vertical stab also reinforeed Kevlar tow outside surface fuse layer 1 0-oz fiberglass cloth improved surface quality painting ease entire fuse slipnose canopy weighs 105 11 oz wing conventional composite structure utilizing 12 lbicu ft C-bead white foam 1-in-wide carbon-fiber tow over under spar 20- 30-oz fiberglass cloth leading edge trailing edge full-span under balsa sheeting 1/16 thick 6 8 lb/cu ft An option would put glass cloth over balsa builder wishes have epoxy/glass outer surface spar assembly carries wing rod tube 14mm-inside-diameter aluminum tubing has core balsa ply reinforcement front rear top bottom spar supereasy construct can zoom launched distress stab foam-cored 1/is-in balsa skins 20- 30-oz fiberglass cloth under over skins front pivot wire 1/ setscrew/wheel collars retention rear wire 3/n rudder built-up construction can openstructured sheeted Infinity semikit currently structured provide expert builder basics competitive design yet allow maximum flexibility final Continued page 136 5ThRLI-r U INTERNATIONAL PMT Snapper Pinch-Off Timer 1950 Starline DT Timer $1350 ature 3F Timer $3000 line Signature 5F Timer $1300 line Signature 1/2A 3F Timer $3500 e Round Nose Pliers *1950 Fuel Tubing 3 ft $250 sure Tank Fitting $300 Fuel Cut-Off $4OoeBunt Mechanism $1500 Timer Start Button $1000 e Font End $2000 e Wake Motor Tube $500 other Free Flight items available se add 10% postage log $100 STARUNE INTL 0189 E CACTh5 WREN ROAD TSDALE AZ 55353 September 1992 133 PLANE VIDEO GIVES YOU UBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT ThE FIRST TIME 2-2 HOUR IDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRAFr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSERODS ALIGNMENT BALANCING ANI MUCH MORE $3495 shipping $800 foreign ciders f4EROBATICS & GROUND SCHOOl 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE -OFES SPINS CROSS WIND TECHNIQUES SNAP ROLLS AND MORE $1995 shippIng $000 fomslgn orders BUILDING WITH FOAM 2-HOUR VIDEO PROVIDING INEORMATION ON 110AM WING CORES INSTALLING RETRACTS PRIMING COVERING WITH EG CLOTH PAINTING & DETAILING $1995 shipping $000 foreign orders TAPES AVAILABLE ltd VS-IS ONLY SEND CHECK OR MO TO PLANE VIDEO P0 BOX 23128 CLIVE IA 60325 VISA OR CALL 14003834251 OR pqmsncmg 515-223-0597 24 1403 TOLL FREE IA RESIDENTS ADO 4% SALES TAM Electric F ight Has Brake LIghtweight 12 OLmoney back Adjastahie switching point Solderless terminal far easy haokssp $2 ON/OFF Controller995 Mare Power save weight ot2O Size 22x13L63 v hagh efficsency 006V lass Add $100 foe shipping Colifoosia resideols add 7257i $2 7 Ta Send Check money order Come soithHigh Sky Fslahoonnontor3929 KanSaS St #9 eSter coooecIors 000fllmnnflft 92104 also availableSan WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BAL BA SHEETS 36 48 30 1/16e233 3/32e240 1/8e243 3/16249 1/4258 1/32x337 1/20337 1/163374931 3/32x3445837 1/83557445 3/183638455 1/43759861 5/18387115 3/839012871 1/23114160 3/43170200 1/16x4587848 3/32 4729756 1/848210966 3/1649612675 1/4411513984 3/84170235144 1/24235273200 MATCHED SHEETS 42 3/324109 1/8 x4129 3/164144 1/4 x4155 SALU STiCKS 36 48 1/18x 1/410 1/16x 3/811 1/16x 1/215 3/32x 1412 3/32e 3/813 3/32x 1/217 1/8x 1/809 1/Be 1141218 1/Be 3/81319 1/8 1/21824 3/16x3/161219 3/16x 3/81821 3/16x 1/22231 1/4 1/41826 1/4x 3/82128 1/4x 1/22232 1/4x 3/43445 1/4x 14257 5/18 x 5/162330 3/8 3/82939 3/8 x 1/23349 3/8 3/44458 3/8x 15473 1/2x 1/23855 1/2 3/44866 1/2x 18082 5/8 x 5/85270 3/4 3/47598 BALSA HOT LINE CuN 688745 8394 lOam ApmCntraITinie QC~ w BALSA TRIANGLES 36 4425 383830 235 343445 55 BALM PLANKS SB 90 25 329 4293 112,3302 124395 22231 23335 24475 33515 34715 TAPERED SHEETS36 14265 14395 38268 35395 123120 LONE STAR EPOXY 9ozList999 Sm/n600 15mm600 30 rn/n600 LIGHT 4-6 LB WOOD36 1/32382 120362 116362 332374 119351 3183105 143125 3193150 123190 343300 13415 116490 3/324119 1194135 3184157 144190 384290 124385 TRAiLING EDGE 36 4132 51511439 361146 2270 INSTANT CL UE 1 07 Thick300 1 oz Thin300 207 Thick550 2 ox Thin550 BASSWOOD48 31531626 3161430 3163938 3161246 31163480 1141442 43849 143490 383560 391270 383490 121290 234100 BUNDLE DEALS 20-1/16x3a36699 20-1/164361035 20-3/32x3o36875 15-3/32436955 15-1/8x336750 10-1/84x38695 15-3/1 63x36940 10-3/16x4x36835 10-1/4o3x36655 10-1/4o4o361050 10-3/83x36890 5-3/8x4o36655 5-1 /2x3e36540 5-1/2x4o361110 1 0-3/32n448930 5-1 /8x448525 5-3/1 6x448620 5-1/4448680 * NEW * Hundreds new sizes accessories finishing materials Send #10 SASE latest catalog SPRUCE STICKS 3648 15 181725 18 142026 18 362232 3163162839 14 143450 14 384055 14 124565 39394969 39 129077 12 126689 12347597 SPRUCE TRIANGLES 3838 1212 34 34 HARD MAPLE 4 38 3838 38 1 2 3534 12 34 IS 40 45 50 59 68 BIRCH DOWELS 18 315 14 516 35 8PLY3WCH48 1/04x12835 132x12476 1I16x12475 1/8x12456 5 PLYBIRCH 48 3/32 12725 1/8 12800 36 3/1612625 643/8 x12725 811/2 12900 LflEPLVd8 CR00 VEDLG MOUNTS 125whi 1753/8x3/4l1/8/AS 3503/8 x3/4l5/32/45 2761/23/4/3/16/50 550 11812 114 x6 114 x 12 LONE STAR MODELS IX 79412 Cont 48 Handling Charge pay UPS Add $400 COD $500 extra PP APO FPO 1623 57tl St Lubbock States accepl VISA MasterCard persons1 checks COD 6Y% mx Texas US currency Mm wood order $1000 i Electric Vacuum Bagging System Foam Core Wings $74 95* Complete Easy Use Md tpng & handing Ca5forrsa re4dents odd ideS tax Send $300 infomatian package Dealer Inquiries Invited VISA Mastercard Accepted RC SoaringlBlakeslee Continued page 133 construction instance builder can use own favonte spar structure reproduce spar shown plans Other areas such choice elevator rudder cableslpushrods radio installation can easily varied according preference After have ever known modeler didnt modify anything built whether kit plans own design also allows keep price kit area acceptability Included kit retail price $295 plus $10 shipping Keviar fuse foam wing cores stab cores 1/16-in balsa sheeting wing stab 14mm prebent T-6 aluminum alloy wing rod tubes aluminum arrow shaft tubing flap aileron hinges contest elevator bellcrank plans Individual components available well other Sailplane goodies supplies Send SASE Daves complete price list sells supplies need build higher tech gliders Address Acme Aircraft 61501 N Ridge Trail Romeo MI 48065 telephone 313 656-1879 International postai competition big things enjoy about Soaring hobby ability travel nearly country world meet people same interests may speak same language fliers know little Englisheven us IPC low-key event designed promote friendships between Soaring clubs countries possible Its limited club country best five individual scores counting toward clubs score Kale Harden Palm Harbor Florida kind enough write let us know latest about IPC bring everyone up date International Postal Competition few years ago turned scoring secretary ing event over Australian club Im now doing job again can provide latest news just finished March-April contest seven countries participated Swiss best team score first participation would expect weather bad Switzerland time year obviously good better conditions rest us Probably better fliers too thing makes event special fact have doing twice year 10 years now must doing something right certainly says something about idea international competitions exchanging results mail Most clubs have 15 40 members some have very faithful IPC over years New Zealand club instance has never come first 136 Model Aviation CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa have competed almost club Pelicans Tampa-St Pete areaRB Australians two initiating clubs contest have both participated contest whole 10 years Over years have varied tasks Initially flew six-minute Precision Duration la F3B rules flew two tasks contest rotation between F3B Speed F3B Distance always including six-minute Duration task accordance KISS principle now back six-minute Duration task fly five rounds twice year Twice year may need some explaining Half teams Southern Hemisphere winter summer vice versa Holding contest once year say summer would unfair vice versa So decided have two events year spring fall began just Pelicans Brisbane club Dan Pruss heard about contest described Soaring column Immediately heard several countries wanting join fun Ive corresponded teams 14 countries past 10 years have eight countries participate contest Japan asked join found out team would composed Sailpianers Japan decline Over years have some notable fliers compete IPC name few Walt Gcod Brian Agnew Leon Kincaid John Gunsaullus US Gany Jordan perennial F3B team member Australia Brian Sharp Scotland Rudiger Kraus Reinhard Werner Germany Sean Walbank England John Lightfcot South Mrica As usual weather lot results team correspondent said team enjoyed experience regardless placing Germany England didnt respond time Canada Ireland indicated would participate fall contest should have 10 teamsa new record Modellfluggruppe Switzerland won first place International Postal Competition 21003 points Next came Pelican SA USA 19955 points Brisbane MSC Australia third place 18476 points followed fourth-place Scottish Aeromodelers Scotland 18114 points Southern Soaring Club South Africa 16955 points closely followed Wellington MAC New Zealand 16935 points Santiago Soaring Club Chile scored total 11394 points clubs other countries interested participating IPC Kale Harden can reached 3184 Brunswick Circle Palm Harbor FL 34684 USA Continued page 139 U BIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL OOh Nitromethane 5% Nitromethane 100/0 Nitromethane 150k Nitromethane 25% Nitromethane 350/0 Nitromethane PINTQUARTGALLON $995 $325$495$1295 $395$535$1495 $395$625$1695 $495$795$2295 $595$895$2795 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1395 150h Nitromethane$1625 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subtct change nOtice See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma_IA 50171 U p U3 U U U U K EE U U U U U U Fly-Safe saved Plane AirWavz Flight Systems Inc 47 Leonard Crescent Penfield NY 14526 el 385-8840 U U I i I I I U U U U U U U U U I I U U U U Kit$2595 Assembled . $3495 fadd $305 shippose red handling Qty diseounn Dealer inquires invited k batteries between flight Probably Thats need Fly-Safe Fly-Safe allows fly confidence constantly checking batteriesconnections & radio problems Features On-board battery & Radio monitor Freq checker Plane locator September 1992 137 * Loud warning buzzer * Precision voltage sensing * Easy assemble * Lightweight OS2oz Directory rubber-powered kits Free Flight Duration column April 1992 issue Model Aviation photo Robert really Ray Hayes son Mark Ray longtime Sailplane flier former vice president LSF letter Ray tells story picture worth thousand words attached photo son Mark will tell modeling interest has last few years Hany Murphy name wrong dont care what calls Mark wanted fly RC gliders wanted him learn basic modeling first has won several P-30 3O-in-span rubberpowered sport/duration model contests planes built covered Most contest success has indoors reasons directory continuation Using myself example starting get little burned-out RC Sailplane contests contest old Ford test track Utica Michigan few years ago shared field Free Flight contest bell rang watched Rubber jobs climb out max know people start RC today unaware old-time modeling As result have people come go through RC miss out other areas model aviation Some people might continue model aviation knew about rubberpowered gliders So can give directory some print column maybe can help someone continue model aviation Cloudbusters responsible own continuation model aviation maybe reprints newsletter will keep someone else interested Rays Directory Rubber-powered Kits lists sources Indoor Outdoor Sport Peanut Scale high-performance ultralight rubber-powered models directory appears pretty comprehensive frankly surprised learn market comprises manufacturers Ray also lists sources supplies books magazines how-to information associ ations applications Society Antique Modelers National Free Flight Society So youre interested really basic modeling Rays directory looks ideal place start Send $395 Ray Hayes 69598 Brookhill Drive Romee MI 48065 Bob Holman has added some new Scale glider plans catalog New subjects include Darmstadt D28 Windspiel Oberlechner MG19A Steinadler SDZ 30 Pirat Slingsby T45 Swallow Polish Orlik quarter-scale Scheibe Bergfalke 1/6-scale Most Bobs plans British magazines RC Model World Radio Modeler RCM & E Bob also handles Mike Smart Designs quite few Scale glider plans Germany As added service Bob offering US-made canopies gliders Plan sets range about $10 $30 canopies $10 $15 copy Scale Gliders Catalog send $3 Bob Holman Plans PO Box 741 San Bernardino CA 92402 telephone 714 885-3959 Adventure Day Continued page 41 ultralight-type airspeed indicator ASI Because flying over no able test ASI flight Nonetheless ASIs calibrated up point help John Newman accurate ASI Frank Folbre Frank also trailered home-built project over share us John worked two participants could qualify Boy Scout merit badges Continued page 140 September 1992 139 DEMOUNTABLE HINGE Demountable easy * Construction * Finishing * Repair $1nch Fourmost Demountable Hinge gapless Nylon hinge allows modeler easily remove control surfaces model 1/32 inch piano wire holds hinge place Hinge may installed easily CA adhesives Hinge sold packages 12 6 inch segments sufficient span 3 feet hinge Although manufactured white Hinge may dyed painted match finish Hinge deflects plus minus 45 degrees Product No 141Price 3 ft $495 Fourmost Products 503 357-2732
Edition: Model Aviation - 1992/09
Page Numbers: 62, 63, 133, 136, 137, 139
RADIO CONTROL Byron Blakeslee 3134 N Winnebago Dr Sedalia 0080135 THE SB-XC RnR Products marks milestone Soaring hobby first completely prebuilt cross-country XC glider market Specifically designed XC racing features all-molded construction hollow-core wings flaps ailerons $795 its quite bargain too. wing area works out 48 cents per sq Specs follows Weight Wingspan Wing area Airfoil Mm loading Max loading Aspect ratio Stab span Stab area 93 pounds 180 inches 1656 sq SD 2048 13 ozIsq ft 15 oz/sq ft 1981 365 inches 135 sq Other features include following Fast buildingapproximately 30 hours box launch Low-drag airfoil high lift-to-drag ratio Three-piece wing parabolic planform Full-span camber changing maximizes speed range Molded-in color no painting required Integrated-skin hinged ailerons Carbon-fiber-composite spar talk about RC XC really mean cross-countryas back pickup 40 50 miles XC facet Soaring requires some serious preparation doingyou dont just go down park couple flights after work So its understandable XC attracts relatively small avid following up now few kits market have mostly big polyhedral ships all-wood foam-core wings hard-core XC guys like Joe Wurts have made own fiberglass fuselages vacuum-bagged superstrong poly wings fact Joe set worlds declared straight-line distance record I] Left Dave Corvens granddaughter Audry holds Acme Aircrafts new Infinity three-meter thermal-competition Sailplane kit available $295 Right Three-view 11 8-in-span T-tail Infinity 62 Model Aviation SB-XC first completely prebuilt cross-country glider market $795 its bargain because minimal building time Pancho Morriss Dump Dragon modified Comet Models Massive Max foam glider scares gulls Richard Tiltman holds RnR Products new SB-XC cross-country racing Sailplane model has 15-foot wingspan PRODUCTS FOR TUP fltPAMINfl MflflSI PU Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpasad Wokmmnzhin & PArformAhCG IMPORTED DIESEL ENGINES Worlds Best Selection AE AM Aurora Cipolla D-C KMD MAP Mikro MK MWS Oliver PAW Pfeffer Silver Swallow USE Also Replica Mills MOVO Letmo diesels rare imported glow engines CO motor sets Ten page catalog 1OO CARLSON ENGINE IMPORTS 814 East Marconi Phoenix AZ 85022-3112 2264 kilometers almost 142 miles Wileys Revenge 1988 However Joe thought enough RnR s new SB-XC fly Western Great Race held Taft California mid-May hut won race having flown ship before Joe just returned Japan invited Sanwa Radios put flying demonstrations F3B World Championships-winning Flite Lite Composites Eagle XC design emphasis size speed stability strength Large size important glider can seen couple thousand feet altitude also because contributes flight efficiency Speed obviously required because XC racing Stability needed glider will less fly itself pilot can hardly see Strength must gliders lost blowing up because exceeding red-line speed other cause RnR Products company Rich Spicer Richard Tiltman two Rs already well known Synergy III Synergy 91 ThermalIF3B designs Nova Slope Racer can justifiably proud offering XC fliers full-function Sailplane modern all-molded con struction SB-XC has ailerons also has sufficient polyhedral provide inherent stability ability fully adjust wing camber both positive negative should big advantage coping varying lift/sink conditions looks like SB-XC hot ticket XC contests information order call write RnR September 1992 63 Znntinued nape 133 Above left Kale Harden Ultima Bob Sealy Kale scorekeeper International Postal Competition Above right winning team spring 1992 IPC Modelifluggruppe Thun Switzerland Look Bernese Alps background RC Soaring/Blakeslee Continued page 63 Products 1120 Wrigley Way Milpitas CA 95035 telephone 408 WINGS5 Infinity Acme Aircraft Dave Corven old-timer RC gliders new secretary LSF Daves company Acme Aircraft has manufacturing fibergiass/Keviar fuselages some time Dave has begun producing complete original-design kits eye Daves Infinity veiy attractive wellbalanced-looking Sailplane should good all-around-type Sailplane Daves description new kits am starting limited production run new Infinity kit Im building Three-Meter Standard Class planforms small number Two-Meter Renegades virtually identical Infinity appearance smaller flew Three-Meter version last year Ken Bates flew prototype 100-inch planform Mine RG15 airfoil Ken flew new Outlaw airfoil comparison Ken won two Standard Class events Michigan placed sixth Unlimited Nationals stole win some good finishes veiy best Sailplane have flown since started flying gliders 1971 Actually design began summer 1988 concept being too terribly radical wanted create F3B-capable Sailplane would appeal F3B community also Sailplane pilots skill levels brought point interested higher performance Sallplanes Appearance performance durability construction important con siderations four categories considered simultaneously result Sailplane reasonably pleasing eye performance envelope very broad no known unhappy characteristics Sailplane airfoil probably important single feature selected todays designer has contend good data ever before decision traumatic combination RGl5 some Quabeck 9% airfoils pretty attractive wanted airfoil somewhat responsive camber changes fairly low drag terribly sensitive tip stall conditions Something like having cake eating too final selection 85% Quabeck acquired data year earlier modified build two sets wings design called Outlaw set wings went Ken Bates flew homemade Comet-type fuselage good results testing Ken did seemed prove out characteristics desired carried forward conservative tripletapered planform Infinity little modification Outlaw airfoil root 85% thick 15% camber reduce tip stalling slow thermaling landing speeds airfoil thickness camber increased 90%/20% second taper break location maximum thickness rearward leading edge maintained percentagewise wing configuration flown throughout 1991 season has proven itself capable performer local Thermal Duration contests fuselage construction all-new design slip-nose canopy conventional canopy also available Wing fillets molded-in locations wing joiners vertical fin designed T-tail can configured n conventional midfin stab desired Locations stab wires molded fm Multiplex contest elevator bellerank Construction Infinity really begins shine fuse all-Kevlar has under development almost two years fiberglass fuse Kevlar reinforcements Kevlar fuse Kevlar reinforcements wing fillet area vertical stab fillet area reinforcements sandwiched between two full-length layers Kevlar also two-thirds-length layer Kevlar running between two full-length layers nose well behind wing TE strength-to-weight ratio lay-up probably exceeds other Sailplane fuse captivity today front edge top vertical stab also reinforeed Kevlar tow outside surface fuse layer 1 0-oz fiberglass cloth improved surface quality painting ease entire fuse slipnose canopy weighs 105 11 oz wing conventional composite structure utilizing 12 lbicu ft C-bead white foam 1-in-wide carbon-fiber tow over under spar 20- 30-oz fiberglass cloth leading edge trailing edge full-span under balsa sheeting 1/16 thick 6 8 lb/cu ft An option would put glass cloth over balsa builder wishes have epoxy/glass outer surface spar assembly carries wing rod tube 14mm-inside-diameter aluminum tubing has core balsa ply reinforcement front rear top bottom spar supereasy construct can zoom launched distress stab foam-cored 1/is-in balsa skins 20- 30-oz fiberglass cloth under over skins front pivot wire 1/ setscrew/wheel collars retention rear wire 3/n rudder built-up construction can openstructured sheeted Infinity semikit currently structured provide expert builder basics competitive design yet allow maximum flexibility final Continued page 136 5ThRLI-r U INTERNATIONAL PMT Snapper Pinch-Off Timer 1950 Starline DT Timer $1350 ature 3F Timer $3000 line Signature 5F Timer $1300 line Signature 1/2A 3F Timer $3500 e Round Nose Pliers *1950 Fuel Tubing 3 ft $250 sure Tank Fitting $300 Fuel Cut-Off $4OoeBunt Mechanism $1500 Timer Start Button $1000 e Font End $2000 e Wake Motor Tube $500 other Free Flight items available se add 10% postage log $100 STARUNE INTL 0189 E CACTh5 WREN ROAD TSDALE AZ 55353 September 1992 133 PLANE VIDEO GIVES YOU UBRARY OF VIDEOS ON THE CONSTRUCTION OF RADIO CONTROLLED AIRPLANES WITH EASY TO FOLLOW INSTRUCTIONS BUILDING IT RIGHT ThE FIRST TIME 2-2 HOUR IDEOS SHOWING ALL DETAilS NECESSARY TO CONSTRUCT WOOD AIRCRAFr INCLUDING WING CONSTRUCTION RADIO INSTALLATION PUSERODS ALIGNMENT BALANCING ANI MUCH MORE $3495 shipping $800 foreign ciders f4EROBATICS & GROUND SCHOOl 105 MINUTES ON AERODYNAMICS AND STALL THEORY VIDEO COVERS PROPER TAKE -OFES SPINS CROSS WIND TECHNIQUES SNAP ROLLS AND MORE $1995 shippIng $000 fomslgn orders BUILDING WITH FOAM 2-HOUR VIDEO PROVIDING INEORMATION ON 110AM WING CORES INSTALLING RETRACTS PRIMING COVERING WITH EG CLOTH PAINTING & DETAILING $1995 shipping $000 foreign orders TAPES AVAILABLE ltd VS-IS ONLY SEND CHECK OR MO TO PLANE VIDEO P0 BOX 23128 CLIVE IA 60325 VISA OR CALL 14003834251 OR pqmsncmg 515-223-0597 24 1403 TOLL FREE IA RESIDENTS ADO 4% SALES TAM Electric F ight Has Brake LIghtweight 12 OLmoney back Adjastahie switching point Solderless terminal far easy haokssp $2 ON/OFF Controller995 Mare Power save weight ot2O Size 22x13L63 v hagh efficsency 006V lass Add $100 foe shipping Colifoosia resideols add 7257i $2 7 Ta Send Check money order Come soithHigh Sky Fslahoonnontor3929 KanSaS St #9 eSter coooecIors 000fllmnnflft 92104 also availableSan WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BAL BA SHEETS 36 48 30 1/16e233 3/32e240 1/8e243 3/16249 1/4258 1/32x337 1/20337 1/163374931 3/32x3445837 1/83557445 3/183638455 1/43759861 5/18387115 3/839012871 1/23114160 3/43170200 1/16x4587848 3/32 4729756 1/848210966 3/1649612675 1/4411513984 3/84170235144 1/24235273200 MATCHED SHEETS 42 3/324109 1/8 x4129 3/164144 1/4 x4155 SALU STiCKS 36 48 1/18x 1/410 1/16x 3/811 1/16x 1/215 3/32x 1412 3/32e 3/813 3/32x 1/217 1/8x 1/809 1/Be 1141218 1/Be 3/81319 1/8 1/21824 3/16x3/161219 3/16x 3/81821 3/16x 1/22231 1/4 1/41826 1/4x 3/82128 1/4x 1/22232 1/4x 3/43445 1/4x 14257 5/18 x 5/162330 3/8 3/82939 3/8 x 1/23349 3/8 3/44458 3/8x 15473 1/2x 1/23855 1/2 3/44866 1/2x 18082 5/8 x 5/85270 3/4 3/47598 BALSA HOT LINE CuN 688745 8394 lOam ApmCntraITinie QC~ w BALSA TRIANGLES 36 4425 383830 235 343445 55 BALM PLANKS SB 90 25 329 4293 112,3302 124395 22231 23335 24475 33515 34715 TAPERED SHEETS36 14265 14395 38268 35395 123120 LONE STAR EPOXY 9ozList999 Sm/n600 15mm600 30 rn/n600 LIGHT 4-6 LB WOOD36 1/32382 120362 116362 332374 119351 3183105 143125 3193150 123190 343300 13415 116490 3/324119 1194135 3184157 144190 384290 124385 TRAiLING EDGE 36 4132 51511439 361146 2270 INSTANT CL UE 1 07 Thick300 1 oz Thin300 207 Thick550 2 ox Thin550 BASSWOOD48 31531626 3161430 3163938 3161246 31163480 1141442 43849 143490 383560 391270 383490 121290 234100 BUNDLE DEALS 20-1/16x3a36699 20-1/164361035 20-3/32x3o36875 15-3/32436955 15-1/8x336750 10-1/84x38695 15-3/1 63x36940 10-3/16x4x36835 10-1/4o3x36655 10-1/4o4o361050 10-3/83x36890 5-3/8x4o36655 5-1 /2x3e36540 5-1/2x4o361110 1 0-3/32n448930 5-1 /8x448525 5-3/1 6x448620 5-1/4448680 * NEW * Hundreds new sizes accessories finishing materials Send #10 SASE latest catalog SPRUCE STICKS 3648 15 181725 18 142026 18 362232 3163162839 14 143450 14 384055 14 124565 39394969 39 129077 12 126689 12347597 SPRUCE TRIANGLES 3838 1212 34 34 HARD MAPLE 4 38 3838 38 1 2 3534 12 34 IS 40 45 50 59 68 BIRCH DOWELS 18 315 14 516 35 8PLY3WCH48 1/04x12835 132x12476 1I16x12475 1/8x12456 5 PLYBIRCH 48 3/32 12725 1/8 12800 36 3/1612625 643/8 x12725 811/2 12900 LflEPLVd8 CR00 VEDLG MOUNTS 125whi 1753/8x3/4l1/8/AS 3503/8 x3/4l5/32/45 2761/23/4/3/16/50 550 11812 114 x6 114 x 12 LONE STAR MODELS IX 79412 Cont 48 Handling Charge pay UPS Add $400 COD $500 extra PP APO FPO 1623 57tl St Lubbock States accepl VISA MasterCard persons1 checks COD 6Y% mx Texas US currency Mm wood order $1000 i Electric Vacuum Bagging System Foam Core Wings $74 95* Complete Easy Use Md tpng & handing Ca5forrsa re4dents odd ideS tax Send $300 infomatian package Dealer Inquiries Invited VISA Mastercard Accepted RC SoaringlBlakeslee Continued page 133 construction instance builder can use own favonte spar structure reproduce spar shown plans Other areas such choice elevator rudder cableslpushrods radio installation can easily varied according preference After have ever known modeler didnt modify anything built whether kit plans own design also allows keep price kit area acceptability Included kit retail price $295 plus $10 shipping Keviar fuse foam wing cores stab cores 1/16-in balsa sheeting wing stab 14mm prebent T-6 aluminum alloy wing rod tubes aluminum arrow shaft tubing flap aileron hinges contest elevator bellcrank plans Individual components available well other Sailplane goodies supplies Send SASE Daves complete price list sells supplies need build higher tech gliders Address Acme Aircraft 61501 N Ridge Trail Romeo MI 48065 telephone 313 656-1879 International postai competition big things enjoy about Soaring hobby ability travel nearly country world meet people same interests may speak same language fliers know little Englisheven us IPC low-key event designed promote friendships between Soaring clubs countries possible Its limited club country best five individual scores counting toward clubs score Kale Harden Palm Harbor Florida kind enough write let us know latest about IPC bring everyone up date International Postal Competition few years ago turned scoring secretary ing event over Australian club Im now doing job again can provide latest news just finished March-April contest seven countries participated Swiss best team score first participation would expect weather bad Switzerland time year obviously good better conditions rest us Probably better fliers too thing makes event special fact have doing twice year 10 years now must doing something right certainly says something about idea international competitions exchanging results mail Most clubs have 15 40 members some have very faithful IPC over years New Zealand club instance has never come first 136 Model Aviation CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa have competed almost club Pelicans Tampa-St Pete areaRB Australians two initiating clubs contest have both participated contest whole 10 years Over years have varied tasks Initially flew six-minute Precision Duration la F3B rules flew two tasks contest rotation between F3B Speed F3B Distance always including six-minute Duration task accordance KISS principle now back six-minute Duration task fly five rounds twice year Twice year may need some explaining Half teams Southern Hemisphere winter summer vice versa Holding contest once year say summer would unfair vice versa So decided have two events year spring fall began just Pelicans Brisbane club Dan Pruss heard about contest described Soaring column Immediately heard several countries wanting join fun Ive corresponded teams 14 countries past 10 years have eight countries participate contest Japan asked join found out team would composed Sailpianers Japan decline Over years have some notable fliers compete IPC name few Walt Gcod Brian Agnew Leon Kincaid John Gunsaullus US Gany Jordan perennial F3B team member Australia Brian Sharp Scotland Rudiger Kraus Reinhard Werner Germany Sean Walbank England John Lightfcot South Mrica As usual weather lot results team correspondent said team enjoyed experience regardless placing Germany England didnt respond time Canada Ireland indicated would participate fall contest should have 10 teamsa new record Modellfluggruppe Switzerland won first place International Postal Competition 21003 points Next came Pelican SA USA 19955 points Brisbane MSC Australia third place 18476 points followed fourth-place Scottish Aeromodelers Scotland 18114 points Southern Soaring Club South Africa 16955 points closely followed Wellington MAC New Zealand 16935 points Santiago Soaring Club Chile scored total 11394 points clubs other countries interested participating IPC Kale Harden can reached 3184 Brunswick Circle Palm Harbor FL 34684 USA Continued page 139 U BIG GLOW FUEL MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENTS AVAILABLE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed FREE SHIPPING ON ORDERS OVER $1500 SIG CHAMPION 2-STROKE FUEL OOh Nitromethane 5% Nitromethane 100/0 Nitromethane 150k Nitromethane 25% Nitromethane 350/0 Nitromethane PINTQUARTGALLON $995 $325$495$1295 $395$535$1495 $395$625$1695 $495$795$2295 $595$895$2795 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane$1395 150h Nitromethane$1625 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subtct change nOtice See dealer first available order direct Call IJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma_IA 50171 U p U3 U U U U K EE U U U U U U Fly-Safe saved Plane AirWavz Flight Systems Inc 47 Leonard Crescent Penfield NY 14526 el 385-8840 U U I i I I I U U U U U U U U U I I U U U U Kit$2595 Assembled . $3495 fadd $305 shippose red handling Qty diseounn Dealer inquires invited k batteries between flight Probably Thats need Fly-Safe Fly-Safe allows fly confidence constantly checking batteriesconnections & radio problems Features On-board battery & Radio monitor Freq checker Plane locator September 1992 137 * Loud warning buzzer * Precision voltage sensing * Easy assemble * Lightweight OS2oz Directory rubber-powered kits Free Flight Duration column April 1992 issue Model Aviation photo Robert really Ray Hayes son Mark Ray longtime Sailplane flier former vice president LSF letter Ray tells story picture worth thousand words attached photo son Mark will tell modeling interest has last few years Hany Murphy name wrong dont care what calls Mark wanted fly RC gliders wanted him learn basic modeling first has won several P-30 3O-in-span rubberpowered sport/duration model contests planes built covered Most contest success has indoors reasons directory continuation Using myself example starting get little burned-out RC Sailplane contests contest old Ford test track Utica Michigan few years ago shared field Free Flight contest bell rang watched Rubber jobs climb out max know people start RC today unaware old-time modeling As result have people come go through RC miss out other areas model aviation Some people might continue model aviation knew about rubberpowered gliders So can give directory some print column maybe can help someone continue model aviation Cloudbusters responsible own continuation model aviation maybe reprints newsletter will keep someone else interested Rays Directory Rubber-powered Kits lists sources Indoor Outdoor Sport Peanut Scale high-performance ultralight rubber-powered models directory appears pretty comprehensive frankly surprised learn market comprises manufacturers Ray also lists sources supplies books magazines how-to information associ ations applications Society Antique Modelers National Free Flight Society So youre interested really basic modeling Rays directory looks ideal place start Send $395 Ray Hayes 69598 Brookhill Drive Romee MI 48065 Bob Holman has added some new Scale glider plans catalog New subjects include Darmstadt D28 Windspiel Oberlechner MG19A Steinadler SDZ 30 Pirat Slingsby T45 Swallow Polish Orlik quarter-scale Scheibe Bergfalke 1/6-scale Most Bobs plans British magazines RC Model World Radio Modeler RCM & E Bob also handles Mike Smart Designs quite few Scale glider plans Germany As added service Bob offering US-made canopies gliders Plan sets range about $10 $30 canopies $10 $15 copy Scale Gliders Catalog send $3 Bob Holman Plans PO Box 741 San Bernardino CA 92402 telephone 714 885-3959 Adventure Day Continued page 41 ultralight-type airspeed indicator ASI Because flying over no able test ASI flight Nonetheless ASIs calibrated up point help John Newman accurate ASI Frank Folbre Frank also trailered home-built project over share us John worked two participants could qualify Boy Scout merit badges Continued page 140 September 1992 139 DEMOUNTABLE HINGE Demountable easy * Construction * Finishing * Repair $1nch Fourmost Demountable Hinge gapless Nylon hinge allows modeler easily remove control surfaces model 1/32 inch piano wire holds hinge place Hinge may installed easily CA adhesives Hinge sold packages 12 6 inch segments sufficient span 3 feet hinge Although manufactured white Hinge may dyed painted match finish Hinge deflects plus minus 45 degrees Product No 141Price 3 ft $495 Fourmost Products 503 357-2732