Theres art HL Glider building flying some people imaginethat HL Glider really going perform presentation prize-winning design authors detail techniques construction flight adjustments Design Ron Higgs Text Craig Bill Dunlop THE CHALLENGER designed developed premier Canadian modeler Ron Higgs can does challenge other competition Outdoor Hand Launch Glider OHLG article will give construction tips trim adjustments particular style launch some solu tions trimming problems Craig will show get powe sistency launch n ners model modeler wi experience should able har no OHLG tough Construction Wood critical however the responsive LC mal activity good model between 31 aim flying surfaces quarter grai~ fuselage being very hard sti True up glue joint edges oi pieces straight sc touch along edge Slow CyA fine Lay out wing Out line being careful keep glue joint line left right will use glue line later wing alignment Cut out sand wing outline An easy way wire saw wire saw small diameter approximately 050 saw spiral teethavailable hard ware storethat fits hacksaw frame saw cuts direction thus little tricky use first Establish centerline wing balancing find heavy side side will go glide turn left side Craig left-hander directiops will right-handers Finishsand bottom Taper top wing blank A-in thick centerline %2-in tips Rough out sand airfoil small sharp block plane very good roughing Cut wing apart carefully sand dihedral polyhedral joints Block up use slow-set CyA glue order save weight use instant CyA reinforce LE applying CyA about Y4-in x 2-ii area along LE time Let glue penetrate few seconds wipe off finger quickly before starts kick bub ble up does bubble up will very difficult sand along LE tipstop bottom However home field rough hard LEs cut dd A-in sq spruce strip before shape the stab use snots piece balsa Cut e outline bottom aid -in-thick pine outline stab block using four x A-in double-faced tape using block outline sand outline stab airfoil shape Remove stab block insert ing piece /32 balsa gently prying balsa apart block Getting right shape easy way making its definitely way go Cut fm sand outline sand airfoil until after assembly Rough-cut fuselage wire saw leaving A-in oversize stress relief Re-layout fuse finish-sand Make sure th same plane side warp A2 less rear fuse making sure fin symmetrical stre great photo taken bySteve Clem Seguin Nats few years ago shows desired launch attitude centerline wing will mounted Put straight pin centerline fuse front fin Cut piece wood x A-in long enough ex tend pin beyond glue joint line wing tips File small V notch end pin will used wing alignmentdo use string very inaccurate Wing alignment high-speed model very important Often unexplained deviations desired flight path can attributed wing properly aligned Now fuse set up between blocks rig up blocks polyhedral breaks Since wing mounting surface 1-in high blocks will 1Y16-in high now have three contact points Use white glue wing-to-fuse joint will give time locate wing Position wing fuse blocks proper fore aft position A-in offset line Use notched wood line up wing glue joint line tips left right let dry position Cut out finger rest noting grain direction fit wing good fit required Streamline glue white glue slow-set CyA Mix up small batch 5-minute epoxy form small fillets wet finger both sides fuse wing around finger rest fillets provide tremendous amount strength have never wing break fuse finger rest since using method Sand stab mounting area fuse stab tilt about one-half angle main wing panel being care ful maintain 0 Jo relationship wing high side stab will left amount stab tilt variable setting approxima tion Line up stab centerline glue CyA Now finish-sand fuse cross sections shown Glue 1/32-in washin tab wing Sand about half ot its thickness away fair wing surface Finish model desire Ron fills grain applies dope attain glass finish just use three coats 50% nitrate dope sanding tween coats us use fluorescent paint wing tips fin visibility however additional step Before last coat dope stab fin apply strip lightweight Japanese tissue rear half both sides fin Also apply Y4-in-wide strip tissue rear stabtop left bottom right easiest way apply thinner through tissue pre viously-doped surfaces tissued surfaces will much easier adjust later flying trim Add sandpaper grips Once model completely finished time balance proper CG Again suggest easy way bottom wing about lage make small indent sharp pencil both sides prop er distance LE Holding two pencils hand points up model rests pencils indents add lead nose model balances method very accurate done properly model will fly off board Inset lead flush side thus reducing drag use swinging weight DT now experimenting pop-out spin tab pop-up stab can used advisable because long tail moment small fuselage cross section would have beefed up add weight rear would mean lot lead up front lead does have great flying ability Hying trimming methods launch techniques describe will give launch pattern preferwhich almost vertical attitude slight turn max imum altitude flick-out transition top Before flying set up model doing following Bend fin left slightly about 1/64 no need moisten breathe steam etc anymore just bend surface squeezing wood slightly between Continued page 145 Left finger stretchvery important maximum power control Note swinging-weight dethermalizer system stretched elastic thread shortens reieased weight cannot swing up over wing DT fuse ocated top fuselage mini mize possible fire hazard Right model being assembled aid 1 xl x 3-In metal blocks glue joint line tip i lined-up mark alignment stick Squareness important good flying John Ballentine photos except noted 68 Model Aviation Chailenger very graceful HI Gilder rides thermals very well doesnt have tendency drop out spiral ground 904 478-6745 Al Featuring fast service qualified people latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices RADIO SOUTH rm AUTHORIZED SERVICE CENTER FOR kraft Pro Line 1 Futaba JR 43 West Nine Mile Rd Pensacola FL 32514 rnrn-- * A Futaba Distributor er Inquiries Welcome * e elevator horn give 190 tator travel full belicrank swing l47 F test flights calm weather reveal sence wing stab warps twist out using heat gun iron plastic covering ship should fly true both upright inverted l3t djust tip weight model flies l both upright inverted Dont too much too little ut right model will bobble ing sharp-cornered maneuvers Line ith rake must also trimmed get flying-on-rails look Theoretically e different trim requirements y different flying condition ye found convenient method Ling nose weight adjusting r use special pencil-lead-type ing sinkers surgical tubing rt front rocket tube uld able find items big rting goods store key trimming Stunter try adjustment time until ship ins respond predictably handles sistently types flying nded M 152 $2500 Ca Includes shipping UPS COD add $200 $600 plans CA add 6% Dealer Inquiries invited LINDSEY MICRO PRODUCTS 160-A No Fairview Ave Suite 104 Goleta CA 93117 805 683 2042 After 5 pm Pacific hope eiijoy Ridiculous Stunter much Drop line questions Rich Porter 386 Benji Ct NW Salem OR 97301 Challenger/Higgs-Dunlop Continued page 68 thumb finger compressing wood inside bend stretching wood outside tissue supporting wood fibers no splitting cracking delicate wood Once wood bent will stay way until re-bent Bend left side stab rear down slightly Bend right side stab up slightly left side bent down con tributes much fink rollout can now hand glide model like Throw model little half power slightly exaggerated banknot too much want model go up almost proper launch attitudeabout 7o O model stalls glide add little clay its nose worry about glide circle yet model dives shouldnt bent stab up enough POWERED MODELS Quality ormance ndability YaA Control Line Airplanes Engines Accessories R/C Sailpianes Airplanes R/C Off-Road Cars COX HOBBIES INC 1525 E Warner Ave Santa Ana CA 92705 SEND SASE FOR FREE MINI CATALOG bend right side stab up little model sweeps over its back launch too much up right side enough down left side Throw again same way adjust until model going almost straight up enough left rudder model will go too much right have very wide glide circle model has go slightly right launch order get proper transi tion Dont try too much adjusting part-power launches Now try harder throw about r 70 0.75 d washin left main panel beginning have effect Too much washin will lift wing launch make transition difficult also increase glide circle Keep adjust ing stab rudder control launch add remove clay lead control glide Still dont worry too much about glide circle yet Once have model going OK power increase full power 75 80 ched too near vertical will come over backwards usually poor transi tion model proper launch sweeps back loops near top means too much up-bend Reduce FAI RUBBER Sizes 114 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 FREE 4 oz bottle SLICK rubber lube per box Postpaid UPS USA N \coupdevflI $2395 pius ups 1985 catalog 75C Cal add 6% tax FAIModOl Supply L P0 Box 3957TORRANCE CA 90510 KSB TIMERS FUEL SHUTOFF U -sIt 3OSEC $1190 6MINOT slixo August 1985 145 LMP 1000 1 Both require Two Channel Radio Mini Servos 250 MAH BATT wood construction include hardware needed LOTS TS RIOR TS T THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABLE GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWIIMILITARY 1/3 Scale$19951/5 Navy$1395 1/4 Scale14951/6AAF1195 1/5 Scale1295PIus 1/12 Scale895$250shipping 1/12Chopper 895each figure KNIGHTS OF THE AIR 7148 Lasting Light Way Columbia MD 21045 301-730-5596 IN STOCK FOR IMMEDIATE SHIPMENTup-bend right side and/or increase New RA SOS$19995the down-bend left side Quad 35 cDl$10995 Reg Ocdre35 $9995 Brisighelleflywlrsel$11995model comes transition little Reg Quadra 35 Power Asoesbly Only$9450fastand loses QUADRA REPAIR $1000 plus pens shaky makes run lit Jin Meser ERcOUPE PLANS $2399 KIT $23995 JlnMessrTOMAHAWKPLANS $2395 KIT$25995tle altitude before settling its proper Jin Men. BBALL TRAINERPLANS $1895 KIT $19995glide can usually corrected BALSA end BASSWOOD nice Sig prices 15010% NewZENOAI4 023 $13995ZENOAHI 035$ 9995all adjustmentsbend right FLOATS 3515 scalecores $1795conplste kit $3595 FLOATS 4914 scale cores 92195conplete kit $4795stab up very small amount decrease 19 WWI WHEELS3595 P&W CYLS FLEETS$2595 PLANS SUPER STEARMAN 1/4 Godfrey$3595down-bend left stab very slightly STARDUSTER TOO 14lBrisiglrellel 1/3 J3 CUB Nelito $2995 VOLKSPLANE1I3lChickenCherllelremove very small amount COCKPIT KITSToeslswk F4U-1Spitfire MElOS$2395tab Ercospe Fleet J3 Cob POE P47 C Esole$21 95wasninreduce left rudder bend Citebris $2495 Zero $3595 Zero ecterlor$1995slightly US Quadra FUELTANKS16 $89523 cc $795 FIBERGLASSARROWSHAFTS5/16 c32locg6/$1$00Once adjustments made 24-Hour Senrice. Add $250 postage Send Bank Check Money Order to launch proper good flick-out JIM MESSERS QUALTIYtransition time adjust glide MODEL PRODUCTS circle stab may have removed Valley Visw Dr Box 43 Allegony NY 14706sanded off new re-positioned stab tilt tightens glide turn DES v -less tilt opens up glide turn Another FLYING MODELsI.ctsthing watch out air density /// oJ *varies throughout day day PLAitS GET OUR oit-day locality locality OMDSMO0TAUTHEPITICMOOELPOAO4S-ALL PATTERNS INCLUDED altitude final trimming 1/4sZ middle day usually model 29 Got Lke 2T-1A 13$ 6 209 9 40$16 OK minor adjustments 1 55458 Gee-Ie1115617$3516T27032being needed other times places 3 Coot Bawls P-6815112314472$62429454Here Craigs comments launchICurt Sprhwkp9C212 10 19 143$285041c 7656 32 Dosilttlee 0311 12 $ 1915 1237244936 744$ing greatest power stretch fingers 31Roe P45344 P1251512 221645266039 9059 32 Spfldsuii-Dog1315 7 201040205332 90'3from finger rest sandpaper 19 DVIII 91W1362015 $41169132 32 NOwod Ike AMike i0 6 1515 9311662045grips stretch followthrough 34Turners 91Sf Racer136 19.839167$35 35BOw MrlOIiigao167 231510472062035 9445very important Properly done stretch 33Boe P26A Low 910149 211242245636 834$ 35Stinson T-W 01-720s6 3015 $621681 241223$will add snap moment release 35Lock Electra 112715 4120$2040 39 Mesraintt 8F109E16 9 24124824 c E cc$3 produce lot power Before IFocice-WuIfFW190 2980175 39 Lock Llgbtrg 03$77"T7 39167rTS AB-25c launching hard warm up arm 40Soc 247 Truccy12 55167429 cog013 43 Iron Avenger rSF 30 12 40 16 $132 rt N 5264 Rotating shoulder mock throwing 42So. 8170 Ti Fort51227735.- 11.A Tn4 3Dsog Toanep 01-347227132 od lyPage 4 42 DII Mosquito So37151541but throwing OHLG hard 3$ NA Mitchell B-2536152255n291 cod 3M 4AT4throwing ballall help Practice helps 43 N51k Widow P6133499969 30 TAS10 $wks Tex131415621 $ ~rv m arm starts hurt quit 07 50 DemielIe 219913 12 27 24 ~ile launch Challenger 34GlOetGladiatoo16924124$24 27 Lindys NX2iL NY 23 10 341$ 14 69 28 0 slight tilt 26 Ford Trlaotr 4AT 38 22 57 2$A4 59 almost vertical 75080 30 B-Joyce LW J-2 14 10 21 14 42 2$ 33 Grout J2-P Dock 1915 15 29 20 5$ 39 7r-V the left almost overhand use about 27C Oeahwk F7C11515ii231514472$6345 28 ILk A~h1b S-3$ 3k 21 54 2$ 10849 a 10 15-ft run throw very hard 5010 Sort StinA 15 9 2215 12 5 2 ote Craig describing launch tech r.m30 21 45 2$ 90 56 0 16N-Pge 04005.50217535 -nique left-hander 39Cur P3kA Pighto1$15112$14357T$ 32ChIna ClIp MISO655597075 last variable theYou 38Con Calls PSYSA52317$42toughest 37 Stearman Ptd716 7 2415 10 49 38 nt get two minutes OHLG 2$ 8th Soilet915 4 14 6 2$ 12 25 Vgt Coo 02U-1/4 19 10 27 14 54 2$ TT0R 10$56 help air Piggybacking 5OrtocSeercat P8 1$9271253152$10754 9lco TaperWiog157221045205UW29039 eotlens eusually great always feasible ftEADORDERING flSCALE 1/32 SIZEBubbles OK can misleading ISINIMUM ORDER $1000N P1405 AVAILABLE AT ONE SR SURE TO ADS THE DOD n HALF THE 3/ OCALE Mylar streamers especially long AL 1W FOR PACKAGING PRICES FOR ALL DESIGNS POSTAGE AND INSUSASICE HUNDREDS OP ADDIT1D$AL pole can helpful have toying DESIGNS ALL SIZES SOi575 CATALOG $200 OR PRICE LIST ALONE $1 ______________________________ using helium-filled weather balloon NONE FREE with attached Mylar streamer put Edoord PacadAuro, Br Frr,dSncr 9y TODAY 1jeveland Model SupplyCO ORIER SOME ting up launch altitude gives us better idea what air like model will Looks promising FF Duration/Meuser Continued page 71 some time craftsmanship props anything like models youll get top-notch product What US dollar being worth twice what few years back prices might affordable interested non-fold ing variety check out made Anderson Aero Units Co Doc Ander son passed away year ago perhaps best known engine man props too Rol son well-known both rubber-power engine-power circles selling props made masters made Doc FAL Power prop 7-in dia x 275-in pitch goes $750 Props AMA classes ranging 8-in 10-in diameter go between $850 $1100 plus postage course Props molded fiberglass carbonmat-reinforced tips ready fly finished balanced Check Anderson Aero Units Co 4804 Janet Sylvania OH 43560 phone 419 474-8003 during non-work hours NFFS department First off NFFS 1985 Model Year awards International Class FlA Nordic Hi-Hi Lenny Breeman Jan Somers FlB RubberSerephenn Hank Cole FlC PowerOblivian Ken Phair AMA Outdoor Large PowerABC Toothpicks Gil Morris Small PowerAir Express 330 Phil Hainer RubberNo Name Mulvihill Joe Macay Hand-Launched GliderWasp VI by Mike Stoy Small RubberMiniTwin-Fin P-30 Bob White Indoor FlDFilm Flam Jim Rich mond Special Award Ornithopter 84 Al Rohrbaugh Next NFFS Hall Fame awards 1985 following modelers have 146 Model Aviation
Edition: Model Aviation - 1985/08
Page Numbers: 67, 68, 145, 146
Edition: Model Aviation - 1985/08
Page Numbers: 67, 68, 145, 146
Theres art HL Glider building flying some people imaginethat HL Glider really going perform presentation prize-winning design authors detail techniques construction flight adjustments Design Ron Higgs Text Craig Bill Dunlop THE CHALLENGER designed developed premier Canadian modeler Ron Higgs can does challenge other competition Outdoor Hand Launch Glider OHLG article will give construction tips trim adjustments particular style launch some solu tions trimming problems Craig will show get powe sistency launch n ners model modeler wi experience should able har no OHLG tough Construction Wood critical however the responsive LC mal activity good model between 31 aim flying surfaces quarter grai~ fuselage being very hard sti True up glue joint edges oi pieces straight sc touch along edge Slow CyA fine Lay out wing Out line being careful keep glue joint line left right will use glue line later wing alignment Cut out sand wing outline An easy way wire saw wire saw small diameter approximately 050 saw spiral teethavailable hard ware storethat fits hacksaw frame saw cuts direction thus little tricky use first Establish centerline wing balancing find heavy side side will go glide turn left side Craig left-hander directiops will right-handers Finishsand bottom Taper top wing blank A-in thick centerline %2-in tips Rough out sand airfoil small sharp block plane very good roughing Cut wing apart carefully sand dihedral polyhedral joints Block up use slow-set CyA glue order save weight use instant CyA reinforce LE applying CyA about Y4-in x 2-ii area along LE time Let glue penetrate few seconds wipe off finger quickly before starts kick bub ble up does bubble up will very difficult sand along LE tipstop bottom However home field rough hard LEs cut dd A-in sq spruce strip before shape the stab use snots piece balsa Cut e outline bottom aid -in-thick pine outline stab block using four x A-in double-faced tape using block outline sand outline stab airfoil shape Remove stab block insert ing piece /32 balsa gently prying balsa apart block Getting right shape easy way making its definitely way go Cut fm sand outline sand airfoil until after assembly Rough-cut fuselage wire saw leaving A-in oversize stress relief Re-layout fuse finish-sand Make sure th same plane side warp A2 less rear fuse making sure fin symmetrical stre great photo taken bySteve Clem Seguin Nats few years ago shows desired launch attitude centerline wing will mounted Put straight pin centerline fuse front fin Cut piece wood x A-in long enough ex tend pin beyond glue joint line wing tips File small V notch end pin will used wing alignmentdo use string very inaccurate Wing alignment high-speed model very important Often unexplained deviations desired flight path can attributed wing properly aligned Now fuse set up between blocks rig up blocks polyhedral breaks Since wing mounting surface 1-in high blocks will 1Y16-in high now have three contact points Use white glue wing-to-fuse joint will give time locate wing Position wing fuse blocks proper fore aft position A-in offset line Use notched wood line up wing glue joint line tips left right let dry position Cut out finger rest noting grain direction fit wing good fit required Streamline glue white glue slow-set CyA Mix up small batch 5-minute epoxy form small fillets wet finger both sides fuse wing around finger rest fillets provide tremendous amount strength have never wing break fuse finger rest since using method Sand stab mounting area fuse stab tilt about one-half angle main wing panel being care ful maintain 0 Jo relationship wing high side stab will left amount stab tilt variable setting approxima tion Line up stab centerline glue CyA Now finish-sand fuse cross sections shown Glue 1/32-in washin tab wing Sand about half ot its thickness away fair wing surface Finish model desire Ron fills grain applies dope attain glass finish just use three coats 50% nitrate dope sanding tween coats us use fluorescent paint wing tips fin visibility however additional step Before last coat dope stab fin apply strip lightweight Japanese tissue rear half both sides fin Also apply Y4-in-wide strip tissue rear stabtop left bottom right easiest way apply thinner through tissue pre viously-doped surfaces tissued surfaces will much easier adjust later flying trim Add sandpaper grips Once model completely finished time balance proper CG Again suggest easy way bottom wing about lage make small indent sharp pencil both sides prop er distance LE Holding two pencils hand points up model rests pencils indents add lead nose model balances method very accurate done properly model will fly off board Inset lead flush side thus reducing drag use swinging weight DT now experimenting pop-out spin tab pop-up stab can used advisable because long tail moment small fuselage cross section would have beefed up add weight rear would mean lot lead up front lead does have great flying ability Hying trimming methods launch techniques describe will give launch pattern preferwhich almost vertical attitude slight turn max imum altitude flick-out transition top Before flying set up model doing following Bend fin left slightly about 1/64 no need moisten breathe steam etc anymore just bend surface squeezing wood slightly between Continued page 145 Left finger stretchvery important maximum power control Note swinging-weight dethermalizer system stretched elastic thread shortens reieased weight cannot swing up over wing DT fuse ocated top fuselage mini mize possible fire hazard Right model being assembled aid 1 xl x 3-In metal blocks glue joint line tip i lined-up mark alignment stick Squareness important good flying John Ballentine photos except noted 68 Model Aviation Chailenger very graceful HI Gilder rides thermals very well doesnt have tendency drop out spiral ground 904 478-6745 Al Featuring fast service qualified people latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices RADIO SOUTH rm AUTHORIZED SERVICE CENTER FOR kraft Pro Line 1 Futaba JR 43 West Nine Mile Rd Pensacola FL 32514 rnrn-- * A Futaba Distributor er Inquiries Welcome * e elevator horn give 190 tator travel full belicrank swing l47 F test flights calm weather reveal sence wing stab warps twist out using heat gun iron plastic covering ship should fly true both upright inverted l3t djust tip weight model flies l both upright inverted Dont too much too little ut right model will bobble ing sharp-cornered maneuvers Line ith rake must also trimmed get flying-on-rails look Theoretically e different trim requirements y different flying condition ye found convenient method Ling nose weight adjusting r use special pencil-lead-type ing sinkers surgical tubing rt front rocket tube uld able find items big rting goods store key trimming Stunter try adjustment time until ship ins respond predictably handles sistently types flying nded M 152 $2500 Ca Includes shipping UPS COD add $200 $600 plans CA add 6% Dealer Inquiries invited LINDSEY MICRO PRODUCTS 160-A No Fairview Ave Suite 104 Goleta CA 93117 805 683 2042 After 5 pm Pacific hope eiijoy Ridiculous Stunter much Drop line questions Rich Porter 386 Benji Ct NW Salem OR 97301 Challenger/Higgs-Dunlop Continued page 68 thumb finger compressing wood inside bend stretching wood outside tissue supporting wood fibers no splitting cracking delicate wood Once wood bent will stay way until re-bent Bend left side stab rear down slightly Bend right side stab up slightly left side bent down con tributes much fink rollout can now hand glide model like Throw model little half power slightly exaggerated banknot too much want model go up almost proper launch attitudeabout 7o O model stalls glide add little clay its nose worry about glide circle yet model dives shouldnt bent stab up enough POWERED MODELS Quality ormance ndability YaA Control Line Airplanes Engines Accessories R/C Sailpianes Airplanes R/C Off-Road Cars COX HOBBIES INC 1525 E Warner Ave Santa Ana CA 92705 SEND SASE FOR FREE MINI CATALOG bend right side stab up little model sweeps over its back launch too much up right side enough down left side Throw again same way adjust until model going almost straight up enough left rudder model will go too much right have very wide glide circle model has go slightly right launch order get proper transi tion Dont try too much adjusting part-power launches Now try harder throw about r 70 0.75 d washin left main panel beginning have effect Too much washin will lift wing launch make transition difficult also increase glide circle Keep adjust ing stab rudder control launch add remove clay lead control glide Still dont worry too much about glide circle yet Once have model going OK power increase full power 75 80 ched too near vertical will come over backwards usually poor transi tion model proper launch sweeps back loops near top means too much up-bend Reduce FAI RUBBER Sizes 114 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 FREE 4 oz bottle SLICK rubber lube per box Postpaid UPS USA N \coupdevflI $2395 pius ups 1985 catalog 75C Cal add 6% tax FAIModOl Supply L P0 Box 3957TORRANCE CA 90510 KSB TIMERS FUEL SHUTOFF U -sIt 3OSEC $1190 6MINOT slixo August 1985 145 LMP 1000 1 Both require Two Channel Radio Mini Servos 250 MAH BATT wood construction include hardware needed LOTS TS RIOR TS T THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABLE GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWIIMILITARY 1/3 Scale$19951/5 Navy$1395 1/4 Scale14951/6AAF1195 1/5 Scale1295PIus 1/12 Scale895$250shipping 1/12Chopper 895each figure KNIGHTS OF THE AIR 7148 Lasting Light Way Columbia MD 21045 301-730-5596 IN STOCK FOR IMMEDIATE SHIPMENTup-bend right side and/or increase New RA SOS$19995the down-bend left side Quad 35 cDl$10995 Reg Ocdre35 $9995 Brisighelleflywlrsel$11995model comes transition little Reg Quadra 35 Power Asoesbly Only$9450fastand loses QUADRA REPAIR $1000 plus pens shaky makes run lit Jin Meser ERcOUPE PLANS $2399 KIT $23995 JlnMessrTOMAHAWKPLANS $2395 KIT$25995tle altitude before settling its proper Jin Men. BBALL TRAINERPLANS $1895 KIT $19995glide can usually corrected BALSA end BASSWOOD nice Sig prices 15010% NewZENOAI4 023 $13995ZENOAHI 035$ 9995all adjustmentsbend right FLOATS 3515 scalecores $1795conplste kit $3595 FLOATS 4914 scale cores 92195conplete kit $4795stab up very small amount decrease 19 WWI WHEELS3595 P&W CYLS FLEETS$2595 PLANS SUPER STEARMAN 1/4 Godfrey$3595down-bend left stab very slightly STARDUSTER TOO 14lBrisiglrellel 1/3 J3 CUB Nelito $2995 VOLKSPLANE1I3lChickenCherllelremove very small amount COCKPIT KITSToeslswk F4U-1Spitfire MElOS$2395tab Ercospe Fleet J3 Cob POE P47 C Esole$21 95wasninreduce left rudder bend Citebris $2495 Zero $3595 Zero ecterlor$1995slightly US Quadra FUELTANKS16 $89523 cc $795 FIBERGLASSARROWSHAFTS5/16 c32locg6/$1$00Once adjustments made 24-Hour Senrice. Add $250 postage Send Bank Check Money Order to launch proper good flick-out JIM MESSERS QUALTIYtransition time adjust glide MODEL PRODUCTS circle stab may have removed Valley Visw Dr Box 43 Allegony NY 14706sanded off new re-positioned stab tilt tightens glide turn DES v -less tilt opens up glide turn Another FLYING MODELsI.ctsthing watch out air density /// oJ *varies throughout day day PLAitS GET OUR oit-day locality locality OMDSMO0TAUTHEPITICMOOELPOAO4S-ALL PATTERNS INCLUDED altitude final trimming 1/4sZ middle day usually model 29 Got Lke 2T-1A 13$ 6 209 9 40$16 OK minor adjustments 1 55458 Gee-Ie1115617$3516T27032being needed other times places 3 Coot Bawls P-6815112314472$62429454Here Craigs comments launchICurt Sprhwkp9C212 10 19 143$285041c 7656 32 Dosilttlee 0311 12 $ 1915 1237244936 744$ing greatest power stretch fingers 31Roe P45344 P1251512 221645266039 9059 32 Spfldsuii-Dog1315 7 201040205332 90'3from finger rest sandpaper 19 DVIII 91W1362015 $41169132 32 NOwod Ike AMike i0 6 1515 9311662045grips stretch followthrough 34Turners 91Sf Racer136 19.839167$35 35BOw MrlOIiigao167 231510472062035 9445very important Properly done stretch 33Boe P26A Low 910149 211242245636 834$ 35Stinson T-W 01-720s6 3015 $621681 241223$will add snap moment release 35Lock Electra 112715 4120$2040 39 Mesraintt 8F109E16 9 24124824 c E cc$3 produce lot power Before IFocice-WuIfFW190 2980175 39 Lock Llgbtrg 03$77"T7 39167rTS AB-25c launching hard warm up arm 40Soc 247 Truccy12 55167429 cog013 43 Iron Avenger rSF 30 12 40 16 $132 rt N 5264 Rotating shoulder mock throwing 42So. 8170 Ti Fort51227735.- 11.A Tn4 3Dsog Toanep 01-347227132 od lyPage 4 42 DII Mosquito So37151541but throwing OHLG hard 3$ NA Mitchell B-2536152255n291 cod 3M 4AT4throwing ballall help Practice helps 43 N51k Widow P6133499969 30 TAS10 $wks Tex131415621 $ ~rv m arm starts hurt quit 07 50 DemielIe 219913 12 27 24 ~ile launch Challenger 34GlOetGladiatoo16924124$24 27 Lindys NX2iL NY 23 10 341$ 14 69 28 0 slight tilt 26 Ford Trlaotr 4AT 38 22 57 2$A4 59 almost vertical 75080 30 B-Joyce LW J-2 14 10 21 14 42 2$ 33 Grout J2-P Dock 1915 15 29 20 5$ 39 7r-V the left almost overhand use about 27C Oeahwk F7C11515ii231514472$6345 28 ILk A~h1b S-3$ 3k 21 54 2$ 10849 a 10 15-ft run throw very hard 5010 Sort StinA 15 9 2215 12 5 2 ote Craig describing launch tech r.m30 21 45 2$ 90 56 0 16N-Pge 04005.50217535 -nique left-hander 39Cur P3kA Pighto1$15112$14357T$ 32ChIna ClIp MISO655597075 last variable theYou 38Con Calls PSYSA52317$42toughest 37 Stearman Ptd716 7 2415 10 49 38 nt get two minutes OHLG 2$ 8th Soilet915 4 14 6 2$ 12 25 Vgt Coo 02U-1/4 19 10 27 14 54 2$ TT0R 10$56 help air Piggybacking 5OrtocSeercat P8 1$9271253152$10754 9lco TaperWiog157221045205UW29039 eotlens eusually great always feasible ftEADORDERING flSCALE 1/32 SIZEBubbles OK can misleading ISINIMUM ORDER $1000N P1405 AVAILABLE AT ONE SR SURE TO ADS THE DOD n HALF THE 3/ OCALE Mylar streamers especially long AL 1W FOR PACKAGING PRICES FOR ALL DESIGNS POSTAGE AND INSUSASICE HUNDREDS OP ADDIT1D$AL pole can helpful have toying DESIGNS ALL SIZES SOi575 CATALOG $200 OR PRICE LIST ALONE $1 ______________________________ using helium-filled weather balloon NONE FREE with attached Mylar streamer put Edoord PacadAuro, Br Frr,dSncr 9y TODAY 1jeveland Model SupplyCO ORIER SOME ting up launch altitude gives us better idea what air like model will Looks promising FF Duration/Meuser Continued page 71 some time craftsmanship props anything like models youll get top-notch product What US dollar being worth twice what few years back prices might affordable interested non-fold ing variety check out made Anderson Aero Units Co Doc Ander son passed away year ago perhaps best known engine man props too Rol son well-known both rubber-power engine-power circles selling props made masters made Doc FAL Power prop 7-in dia x 275-in pitch goes $750 Props AMA classes ranging 8-in 10-in diameter go between $850 $1100 plus postage course Props molded fiberglass carbonmat-reinforced tips ready fly finished balanced Check Anderson Aero Units Co 4804 Janet Sylvania OH 43560 phone 419 474-8003 during non-work hours NFFS department First off NFFS 1985 Model Year awards International Class FlA Nordic Hi-Hi Lenny Breeman Jan Somers FlB RubberSerephenn Hank Cole FlC PowerOblivian Ken Phair AMA Outdoor Large PowerABC Toothpicks Gil Morris Small PowerAir Express 330 Phil Hainer RubberNo Name Mulvihill Joe Macay Hand-Launched GliderWasp VI by Mike Stoy Small RubberMiniTwin-Fin P-30 Bob White Indoor FlDFilm Flam Jim Rich mond Special Award Ornithopter 84 Al Rohrbaugh Next NFFS Hall Fame awards 1985 following modelers have 146 Model Aviation
Edition: Model Aviation - 1985/08
Page Numbers: 67, 68, 145, 146
Theres art HL Glider building flying some people imaginethat HL Glider really going perform presentation prize-winning design authors detail techniques construction flight adjustments Design Ron Higgs Text Craig Bill Dunlop THE CHALLENGER designed developed premier Canadian modeler Ron Higgs can does challenge other competition Outdoor Hand Launch Glider OHLG article will give construction tips trim adjustments particular style launch some solu tions trimming problems Craig will show get powe sistency launch n ners model modeler wi experience should able har no OHLG tough Construction Wood critical however the responsive LC mal activity good model between 31 aim flying surfaces quarter grai~ fuselage being very hard sti True up glue joint edges oi pieces straight sc touch along edge Slow CyA fine Lay out wing Out line being careful keep glue joint line left right will use glue line later wing alignment Cut out sand wing outline An easy way wire saw wire saw small diameter approximately 050 saw spiral teethavailable hard ware storethat fits hacksaw frame saw cuts direction thus little tricky use first Establish centerline wing balancing find heavy side side will go glide turn left side Craig left-hander directiops will right-handers Finishsand bottom Taper top wing blank A-in thick centerline %2-in tips Rough out sand airfoil small sharp block plane very good roughing Cut wing apart carefully sand dihedral polyhedral joints Block up use slow-set CyA glue order save weight use instant CyA reinforce LE applying CyA about Y4-in x 2-ii area along LE time Let glue penetrate few seconds wipe off finger quickly before starts kick bub ble up does bubble up will very difficult sand along LE tipstop bottom However home field rough hard LEs cut dd A-in sq spruce strip before shape the stab use snots piece balsa Cut e outline bottom aid -in-thick pine outline stab block using four x A-in double-faced tape using block outline sand outline stab airfoil shape Remove stab block insert ing piece /32 balsa gently prying balsa apart block Getting right shape easy way making its definitely way go Cut fm sand outline sand airfoil until after assembly Rough-cut fuselage wire saw leaving A-in oversize stress relief Re-layout fuse finish-sand Make sure th same plane side warp A2 less rear fuse making sure fin symmetrical stre great photo taken bySteve Clem Seguin Nats few years ago shows desired launch attitude centerline wing will mounted Put straight pin centerline fuse front fin Cut piece wood x A-in long enough ex tend pin beyond glue joint line wing tips File small V notch end pin will used wing alignmentdo use string very inaccurate Wing alignment high-speed model very important Often unexplained deviations desired flight path can attributed wing properly aligned Now fuse set up between blocks rig up blocks polyhedral breaks Since wing mounting surface 1-in high blocks will 1Y16-in high now have three contact points Use white glue wing-to-fuse joint will give time locate wing Position wing fuse blocks proper fore aft position A-in offset line Use notched wood line up wing glue joint line tips left right let dry position Cut out finger rest noting grain direction fit wing good fit required Streamline glue white glue slow-set CyA Mix up small batch 5-minute epoxy form small fillets wet finger both sides fuse wing around finger rest fillets provide tremendous amount strength have never wing break fuse finger rest since using method Sand stab mounting area fuse stab tilt about one-half angle main wing panel being care ful maintain 0 Jo relationship wing high side stab will left amount stab tilt variable setting approxima tion Line up stab centerline glue CyA Now finish-sand fuse cross sections shown Glue 1/32-in washin tab wing Sand about half ot its thickness away fair wing surface Finish model desire Ron fills grain applies dope attain glass finish just use three coats 50% nitrate dope sanding tween coats us use fluorescent paint wing tips fin visibility however additional step Before last coat dope stab fin apply strip lightweight Japanese tissue rear half both sides fin Also apply Y4-in-wide strip tissue rear stabtop left bottom right easiest way apply thinner through tissue pre viously-doped surfaces tissued surfaces will much easier adjust later flying trim Add sandpaper grips Once model completely finished time balance proper CG Again suggest easy way bottom wing about lage make small indent sharp pencil both sides prop er distance LE Holding two pencils hand points up model rests pencils indents add lead nose model balances method very accurate done properly model will fly off board Inset lead flush side thus reducing drag use swinging weight DT now experimenting pop-out spin tab pop-up stab can used advisable because long tail moment small fuselage cross section would have beefed up add weight rear would mean lot lead up front lead does have great flying ability Hying trimming methods launch techniques describe will give launch pattern preferwhich almost vertical attitude slight turn max imum altitude flick-out transition top Before flying set up model doing following Bend fin left slightly about 1/64 no need moisten breathe steam etc anymore just bend surface squeezing wood slightly between Continued page 145 Left finger stretchvery important maximum power control Note swinging-weight dethermalizer system stretched elastic thread shortens reieased weight cannot swing up over wing DT fuse ocated top fuselage mini mize possible fire hazard Right model being assembled aid 1 xl x 3-In metal blocks glue joint line tip i lined-up mark alignment stick Squareness important good flying John Ballentine photos except noted 68 Model Aviation Chailenger very graceful HI Gilder rides thermals very well doesnt have tendency drop out spiral ground 904 478-6745 Al Featuring fast service qualified people latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices RADIO SOUTH rm AUTHORIZED SERVICE CENTER FOR kraft Pro Line 1 Futaba JR 43 West Nine Mile Rd Pensacola FL 32514 rnrn-- * A Futaba Distributor er Inquiries Welcome * e elevator horn give 190 tator travel full belicrank swing l47 F test flights calm weather reveal sence wing stab warps twist out using heat gun iron plastic covering ship should fly true both upright inverted l3t djust tip weight model flies l both upright inverted Dont too much too little ut right model will bobble ing sharp-cornered maneuvers Line ith rake must also trimmed get flying-on-rails look Theoretically e different trim requirements y different flying condition ye found convenient method Ling nose weight adjusting r use special pencil-lead-type ing sinkers surgical tubing rt front rocket tube uld able find items big rting goods store key trimming Stunter try adjustment time until ship ins respond predictably handles sistently types flying nded M 152 $2500 Ca Includes shipping UPS COD add $200 $600 plans CA add 6% Dealer Inquiries invited LINDSEY MICRO PRODUCTS 160-A No Fairview Ave Suite 104 Goleta CA 93117 805 683 2042 After 5 pm Pacific hope eiijoy Ridiculous Stunter much Drop line questions Rich Porter 386 Benji Ct NW Salem OR 97301 Challenger/Higgs-Dunlop Continued page 68 thumb finger compressing wood inside bend stretching wood outside tissue supporting wood fibers no splitting cracking delicate wood Once wood bent will stay way until re-bent Bend left side stab rear down slightly Bend right side stab up slightly left side bent down con tributes much fink rollout can now hand glide model like Throw model little half power slightly exaggerated banknot too much want model go up almost proper launch attitudeabout 7o O model stalls glide add little clay its nose worry about glide circle yet model dives shouldnt bent stab up enough POWERED MODELS Quality ormance ndability YaA Control Line Airplanes Engines Accessories R/C Sailpianes Airplanes R/C Off-Road Cars COX HOBBIES INC 1525 E Warner Ave Santa Ana CA 92705 SEND SASE FOR FREE MINI CATALOG bend right side stab up little model sweeps over its back launch too much up right side enough down left side Throw again same way adjust until model going almost straight up enough left rudder model will go too much right have very wide glide circle model has go slightly right launch order get proper transi tion Dont try too much adjusting part-power launches Now try harder throw about r 70 0.75 d washin left main panel beginning have effect Too much washin will lift wing launch make transition difficult also increase glide circle Keep adjust ing stab rudder control launch add remove clay lead control glide Still dont worry too much about glide circle yet Once have model going OK power increase full power 75 80 ched too near vertical will come over backwards usually poor transi tion model proper launch sweeps back loops near top means too much up-bend Reduce FAI RUBBER Sizes 114 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 FREE 4 oz bottle SLICK rubber lube per box Postpaid UPS USA N \coupdevflI $2395 pius ups 1985 catalog 75C Cal add 6% tax FAIModOl Supply L P0 Box 3957TORRANCE CA 90510 KSB TIMERS FUEL SHUTOFF U -sIt 3OSEC $1190 6MINOT slixo August 1985 145 LMP 1000 1 Both require Two Channel Radio Mini Servos 250 MAH BATT wood construction include hardware needed LOTS TS RIOR TS T THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABLE GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWIIMILITARY 1/3 Scale$19951/5 Navy$1395 1/4 Scale14951/6AAF1195 1/5 Scale1295PIus 1/12 Scale895$250shipping 1/12Chopper 895each figure KNIGHTS OF THE AIR 7148 Lasting Light Way Columbia MD 21045 301-730-5596 IN STOCK FOR IMMEDIATE SHIPMENTup-bend right side and/or increase New RA SOS$19995the down-bend left side Quad 35 cDl$10995 Reg Ocdre35 $9995 Brisighelleflywlrsel$11995model comes transition little Reg Quadra 35 Power Asoesbly Only$9450fastand loses QUADRA REPAIR $1000 plus pens shaky makes run lit Jin Meser ERcOUPE PLANS $2399 KIT $23995 JlnMessrTOMAHAWKPLANS $2395 KIT$25995tle altitude before settling its proper Jin Men. BBALL TRAINERPLANS $1895 KIT $19995glide can usually corrected BALSA end BASSWOOD nice Sig prices 15010% NewZENOAI4 023 $13995ZENOAHI 035$ 9995all adjustmentsbend right FLOATS 3515 scalecores $1795conplste kit $3595 FLOATS 4914 scale cores 92195conplete kit $4795stab up very small amount decrease 19 WWI WHEELS3595 P&W CYLS FLEETS$2595 PLANS SUPER STEARMAN 1/4 Godfrey$3595down-bend left stab very slightly STARDUSTER TOO 14lBrisiglrellel 1/3 J3 CUB Nelito $2995 VOLKSPLANE1I3lChickenCherllelremove very small amount COCKPIT KITSToeslswk F4U-1Spitfire MElOS$2395tab Ercospe Fleet J3 Cob POE P47 C Esole$21 95wasninreduce left rudder bend Citebris $2495 Zero $3595 Zero ecterlor$1995slightly US Quadra FUELTANKS16 $89523 cc $795 FIBERGLASSARROWSHAFTS5/16 c32locg6/$1$00Once adjustments made 24-Hour Senrice. Add $250 postage Send Bank Check Money Order to launch proper good flick-out JIM MESSERS QUALTIYtransition time adjust glide MODEL PRODUCTS circle stab may have removed Valley Visw Dr Box 43 Allegony NY 14706sanded off new re-positioned stab tilt tightens glide turn DES v -less tilt opens up glide turn Another FLYING MODELsI.ctsthing watch out air density /// oJ *varies throughout day day PLAitS GET OUR oit-day locality locality OMDSMO0TAUTHEPITICMOOELPOAO4S-ALL PATTERNS INCLUDED altitude final trimming 1/4sZ middle day usually model 29 Got Lke 2T-1A 13$ 6 209 9 40$16 OK minor adjustments 1 55458 Gee-Ie1115617$3516T27032being needed other times places 3 Coot Bawls P-6815112314472$62429454Here Craigs comments launchICurt Sprhwkp9C212 10 19 143$285041c 7656 32 Dosilttlee 0311 12 $ 1915 1237244936 744$ing greatest power stretch fingers 31Roe P45344 P1251512 221645266039 9059 32 Spfldsuii-Dog1315 7 201040205332 90'3from finger rest sandpaper 19 DVIII 91W1362015 $41169132 32 NOwod Ike AMike i0 6 1515 9311662045grips stretch followthrough 34Turners 91Sf Racer136 19.839167$35 35BOw MrlOIiigao167 231510472062035 9445very important Properly done stretch 33Boe P26A Low 910149 211242245636 834$ 35Stinson T-W 01-720s6 3015 $621681 241223$will add snap moment release 35Lock Electra 112715 4120$2040 39 Mesraintt 8F109E16 9 24124824 c E cc$3 produce lot power Before IFocice-WuIfFW190 2980175 39 Lock Llgbtrg 03$77"T7 39167rTS AB-25c launching hard warm up arm 40Soc 247 Truccy12 55167429 cog013 43 Iron Avenger rSF 30 12 40 16 $132 rt N 5264 Rotating shoulder mock throwing 42So. 8170 Ti Fort51227735.- 11.A Tn4 3Dsog Toanep 01-347227132 od lyPage 4 42 DII Mosquito So37151541but throwing OHLG hard 3$ NA Mitchell B-2536152255n291 cod 3M 4AT4throwing ballall help Practice helps 43 N51k Widow P6133499969 30 TAS10 $wks Tex131415621 $ ~rv m arm starts hurt quit 07 50 DemielIe 219913 12 27 24 ~ile launch Challenger 34GlOetGladiatoo16924124$24 27 Lindys NX2iL NY 23 10 341$ 14 69 28 0 slight tilt 26 Ford Trlaotr 4AT 38 22 57 2$A4 59 almost vertical 75080 30 B-Joyce LW J-2 14 10 21 14 42 2$ 33 Grout J2-P Dock 1915 15 29 20 5$ 39 7r-V the left almost overhand use about 27C Oeahwk F7C11515ii231514472$6345 28 ILk A~h1b S-3$ 3k 21 54 2$ 10849 a 10 15-ft run throw very hard 5010 Sort StinA 15 9 2215 12 5 2 ote Craig describing launch tech r.m30 21 45 2$ 90 56 0 16N-Pge 04005.50217535 -nique left-hander 39Cur P3kA Pighto1$15112$14357T$ 32ChIna ClIp MISO655597075 last variable theYou 38Con Calls PSYSA52317$42toughest 37 Stearman Ptd716 7 2415 10 49 38 nt get two minutes OHLG 2$ 8th Soilet915 4 14 6 2$ 12 25 Vgt Coo 02U-1/4 19 10 27 14 54 2$ TT0R 10$56 help air Piggybacking 5OrtocSeercat P8 1$9271253152$10754 9lco TaperWiog157221045205UW29039 eotlens eusually great always feasible ftEADORDERING flSCALE 1/32 SIZEBubbles OK can misleading ISINIMUM ORDER $1000N P1405 AVAILABLE AT ONE SR SURE TO ADS THE DOD n HALF THE 3/ OCALE Mylar streamers especially long AL 1W FOR PACKAGING PRICES FOR ALL DESIGNS POSTAGE AND INSUSASICE HUNDREDS OP ADDIT1D$AL pole can helpful have toying DESIGNS ALL SIZES SOi575 CATALOG $200 OR PRICE LIST ALONE $1 ______________________________ using helium-filled weather balloon NONE FREE with attached Mylar streamer put Edoord PacadAuro, Br Frr,dSncr 9y TODAY 1jeveland Model SupplyCO ORIER SOME ting up launch altitude gives us better idea what air like model will Looks promising FF Duration/Meuser Continued page 71 some time craftsmanship props anything like models youll get top-notch product What US dollar being worth twice what few years back prices might affordable interested non-fold ing variety check out made Anderson Aero Units Co Doc Ander son passed away year ago perhaps best known engine man props too Rol son well-known both rubber-power engine-power circles selling props made masters made Doc FAL Power prop 7-in dia x 275-in pitch goes $750 Props AMA classes ranging 8-in 10-in diameter go between $850 $1100 plus postage course Props molded fiberglass carbonmat-reinforced tips ready fly finished balanced Check Anderson Aero Units Co 4804 Janet Sylvania OH 43560 phone 419 474-8003 during non-work hours NFFS department First off NFFS 1985 Model Year awards International Class FlA Nordic Hi-Hi Lenny Breeman Jan Somers FlB RubberSerephenn Hank Cole FlC PowerOblivian Ken Phair AMA Outdoor Large PowerABC Toothpicks Gil Morris Small PowerAir Express 330 Phil Hainer RubberNo Name Mulvihill Joe Macay Hand-Launched GliderWasp VI by Mike Stoy Small RubberMiniTwin-Fin P-30 Bob White Indoor FlDFilm Flam Jim Rich mond Special Award Ornithopter 84 Al Rohrbaugh Next NFFS Hall Fame awards 1985 following modelers have 146 Model Aviation
Edition: Model Aviation - 1985/08
Page Numbers: 67, 68, 145, 146
Theres art HL Glider building flying some people imaginethat HL Glider really going perform presentation prize-winning design authors detail techniques construction flight adjustments Design Ron Higgs Text Craig Bill Dunlop THE CHALLENGER designed developed premier Canadian modeler Ron Higgs can does challenge other competition Outdoor Hand Launch Glider OHLG article will give construction tips trim adjustments particular style launch some solu tions trimming problems Craig will show get powe sistency launch n ners model modeler wi experience should able har no OHLG tough Construction Wood critical however the responsive LC mal activity good model between 31 aim flying surfaces quarter grai~ fuselage being very hard sti True up glue joint edges oi pieces straight sc touch along edge Slow CyA fine Lay out wing Out line being careful keep glue joint line left right will use glue line later wing alignment Cut out sand wing outline An easy way wire saw wire saw small diameter approximately 050 saw spiral teethavailable hard ware storethat fits hacksaw frame saw cuts direction thus little tricky use first Establish centerline wing balancing find heavy side side will go glide turn left side Craig left-hander directiops will right-handers Finishsand bottom Taper top wing blank A-in thick centerline %2-in tips Rough out sand airfoil small sharp block plane very good roughing Cut wing apart carefully sand dihedral polyhedral joints Block up use slow-set CyA glue order save weight use instant CyA reinforce LE applying CyA about Y4-in x 2-ii area along LE time Let glue penetrate few seconds wipe off finger quickly before starts kick bub ble up does bubble up will very difficult sand along LE tipstop bottom However home field rough hard LEs cut dd A-in sq spruce strip before shape the stab use snots piece balsa Cut e outline bottom aid -in-thick pine outline stab block using four x A-in double-faced tape using block outline sand outline stab airfoil shape Remove stab block insert ing piece /32 balsa gently prying balsa apart block Getting right shape easy way making its definitely way go Cut fm sand outline sand airfoil until after assembly Rough-cut fuselage wire saw leaving A-in oversize stress relief Re-layout fuse finish-sand Make sure th same plane side warp A2 less rear fuse making sure fin symmetrical stre great photo taken bySteve Clem Seguin Nats few years ago shows desired launch attitude centerline wing will mounted Put straight pin centerline fuse front fin Cut piece wood x A-in long enough ex tend pin beyond glue joint line wing tips File small V notch end pin will used wing alignmentdo use string very inaccurate Wing alignment high-speed model very important Often unexplained deviations desired flight path can attributed wing properly aligned Now fuse set up between blocks rig up blocks polyhedral breaks Since wing mounting surface 1-in high blocks will 1Y16-in high now have three contact points Use white glue wing-to-fuse joint will give time locate wing Position wing fuse blocks proper fore aft position A-in offset line Use notched wood line up wing glue joint line tips left right let dry position Cut out finger rest noting grain direction fit wing good fit required Streamline glue white glue slow-set CyA Mix up small batch 5-minute epoxy form small fillets wet finger both sides fuse wing around finger rest fillets provide tremendous amount strength have never wing break fuse finger rest since using method Sand stab mounting area fuse stab tilt about one-half angle main wing panel being care ful maintain 0 Jo relationship wing high side stab will left amount stab tilt variable setting approxima tion Line up stab centerline glue CyA Now finish-sand fuse cross sections shown Glue 1/32-in washin tab wing Sand about half ot its thickness away fair wing surface Finish model desire Ron fills grain applies dope attain glass finish just use three coats 50% nitrate dope sanding tween coats us use fluorescent paint wing tips fin visibility however additional step Before last coat dope stab fin apply strip lightweight Japanese tissue rear half both sides fin Also apply Y4-in-wide strip tissue rear stabtop left bottom right easiest way apply thinner through tissue pre viously-doped surfaces tissued surfaces will much easier adjust later flying trim Add sandpaper grips Once model completely finished time balance proper CG Again suggest easy way bottom wing about lage make small indent sharp pencil both sides prop er distance LE Holding two pencils hand points up model rests pencils indents add lead nose model balances method very accurate done properly model will fly off board Inset lead flush side thus reducing drag use swinging weight DT now experimenting pop-out spin tab pop-up stab can used advisable because long tail moment small fuselage cross section would have beefed up add weight rear would mean lot lead up front lead does have great flying ability Hying trimming methods launch techniques describe will give launch pattern preferwhich almost vertical attitude slight turn max imum altitude flick-out transition top Before flying set up model doing following Bend fin left slightly about 1/64 no need moisten breathe steam etc anymore just bend surface squeezing wood slightly between Continued page 145 Left finger stretchvery important maximum power control Note swinging-weight dethermalizer system stretched elastic thread shortens reieased weight cannot swing up over wing DT fuse ocated top fuselage mini mize possible fire hazard Right model being assembled aid 1 xl x 3-In metal blocks glue joint line tip i lined-up mark alignment stick Squareness important good flying John Ballentine photos except noted 68 Model Aviation Chailenger very graceful HI Gilder rides thermals very well doesnt have tendency drop out spiral ground 904 478-6745 Al Featuring fast service qualified people latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices RADIO SOUTH rm AUTHORIZED SERVICE CENTER FOR kraft Pro Line 1 Futaba JR 43 West Nine Mile Rd Pensacola FL 32514 rnrn-- * A Futaba Distributor er Inquiries Welcome * e elevator horn give 190 tator travel full belicrank swing l47 F test flights calm weather reveal sence wing stab warps twist out using heat gun iron plastic covering ship should fly true both upright inverted l3t djust tip weight model flies l both upright inverted Dont too much too little ut right model will bobble ing sharp-cornered maneuvers Line ith rake must also trimmed get flying-on-rails look Theoretically e different trim requirements y different flying condition ye found convenient method Ling nose weight adjusting r use special pencil-lead-type ing sinkers surgical tubing rt front rocket tube uld able find items big rting goods store key trimming Stunter try adjustment time until ship ins respond predictably handles sistently types flying nded M 152 $2500 Ca Includes shipping UPS COD add $200 $600 plans CA add 6% Dealer Inquiries invited LINDSEY MICRO PRODUCTS 160-A No Fairview Ave Suite 104 Goleta CA 93117 805 683 2042 After 5 pm Pacific hope eiijoy Ridiculous Stunter much Drop line questions Rich Porter 386 Benji Ct NW Salem OR 97301 Challenger/Higgs-Dunlop Continued page 68 thumb finger compressing wood inside bend stretching wood outside tissue supporting wood fibers no splitting cracking delicate wood Once wood bent will stay way until re-bent Bend left side stab rear down slightly Bend right side stab up slightly left side bent down con tributes much fink rollout can now hand glide model like Throw model little half power slightly exaggerated banknot too much want model go up almost proper launch attitudeabout 7o O model stalls glide add little clay its nose worry about glide circle yet model dives shouldnt bent stab up enough POWERED MODELS Quality ormance ndability YaA Control Line Airplanes Engines Accessories R/C Sailpianes Airplanes R/C Off-Road Cars COX HOBBIES INC 1525 E Warner Ave Santa Ana CA 92705 SEND SASE FOR FREE MINI CATALOG bend right side stab up little model sweeps over its back launch too much up right side enough down left side Throw again same way adjust until model going almost straight up enough left rudder model will go too much right have very wide glide circle model has go slightly right launch order get proper transi tion Dont try too much adjusting part-power launches Now try harder throw about r 70 0.75 d washin left main panel beginning have effect Too much washin will lift wing launch make transition difficult also increase glide circle Keep adjust ing stab rudder control launch add remove clay lead control glide Still dont worry too much about glide circle yet Once have model going OK power increase full power 75 80 ched too near vertical will come over backwards usually poor transi tion model proper launch sweeps back loops near top means too much up-bend Reduce FAI RUBBER Sizes 114 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 FREE 4 oz bottle SLICK rubber lube per box Postpaid UPS USA N \coupdevflI $2395 pius ups 1985 catalog 75C Cal add 6% tax FAIModOl Supply L P0 Box 3957TORRANCE CA 90510 KSB TIMERS FUEL SHUTOFF U -sIt 3OSEC $1190 6MINOT slixo August 1985 145 LMP 1000 1 Both require Two Channel Radio Mini Servos 250 MAH BATT wood construction include hardware needed LOTS TS RIOR TS T THE MOST SUPERIOR PILOT FIGURE ON THE MARKET LIGHTEST WEIGHT MOST REALISTIC AVAILABLE GIVE YOUR PLANE PILOT FOR YOUR NEWEST OLDEST OR NEXT CREATION R YOURS TODAY FULL FIGURES CIVILIANWWIIMILITARY 1/3 Scale$19951/5 Navy$1395 1/4 Scale14951/6AAF1195 1/5 Scale1295PIus 1/12 Scale895$250shipping 1/12Chopper 895each figure KNIGHTS OF THE AIR 7148 Lasting Light Way Columbia MD 21045 301-730-5596 IN STOCK FOR IMMEDIATE SHIPMENTup-bend right side and/or increase New RA SOS$19995the down-bend left side Quad 35 cDl$10995 Reg Ocdre35 $9995 Brisighelleflywlrsel$11995model comes transition little Reg Quadra 35 Power Asoesbly Only$9450fastand loses QUADRA REPAIR $1000 plus pens shaky makes run lit Jin Meser ERcOUPE PLANS $2399 KIT $23995 JlnMessrTOMAHAWKPLANS $2395 KIT$25995tle altitude before settling its proper Jin Men. BBALL TRAINERPLANS $1895 KIT $19995glide can usually corrected BALSA end BASSWOOD nice Sig prices 15010% NewZENOAI4 023 $13995ZENOAHI 035$ 9995all adjustmentsbend right FLOATS 3515 scalecores $1795conplste kit $3595 FLOATS 4914 scale cores 92195conplete kit $4795stab up very small amount decrease 19 WWI WHEELS3595 P&W CYLS FLEETS$2595 PLANS SUPER STEARMAN 1/4 Godfrey$3595down-bend left stab very slightly STARDUSTER TOO 14lBrisiglrellel 1/3 J3 CUB Nelito $2995 VOLKSPLANE1I3lChickenCherllelremove very small amount COCKPIT KITSToeslswk F4U-1Spitfire MElOS$2395tab Ercospe Fleet J3 Cob POE P47 C Esole$21 95wasninreduce left rudder bend Citebris $2495 Zero $3595 Zero ecterlor$1995slightly US Quadra FUELTANKS16 $89523 cc $795 FIBERGLASSARROWSHAFTS5/16 c32locg6/$1$00Once adjustments made 24-Hour Senrice. Add $250 postage Send Bank Check Money Order to launch proper good flick-out JIM MESSERS QUALTIYtransition time adjust glide MODEL PRODUCTS circle stab may have removed Valley Visw Dr Box 43 Allegony NY 14706sanded off new re-positioned stab tilt tightens glide turn DES v -less tilt opens up glide turn Another FLYING MODELsI.ctsthing watch out air density /// oJ *varies throughout day day PLAitS GET OUR oit-day locality locality OMDSMO0TAUTHEPITICMOOELPOAO4S-ALL PATTERNS INCLUDED altitude final trimming 1/4sZ middle day usually model 29 Got Lke 2T-1A 13$ 6 209 9 40$16 OK minor adjustments 1 55458 Gee-Ie1115617$3516T27032being needed other times places 3 Coot Bawls P-6815112314472$62429454Here Craigs comments launchICurt Sprhwkp9C212 10 19 143$285041c 7656 32 Dosilttlee 0311 12 $ 1915 1237244936 744$ing greatest power stretch fingers 31Roe P45344 P1251512 221645266039 9059 32 Spfldsuii-Dog1315 7 201040205332 90'3from finger rest sandpaper 19 DVIII 91W1362015 $41169132 32 NOwod Ike AMike i0 6 1515 9311662045grips stretch followthrough 34Turners 91Sf Racer136 19.839167$35 35BOw MrlOIiigao167 231510472062035 9445very important Properly done stretch 33Boe P26A Low 910149 211242245636 834$ 35Stinson T-W 01-720s6 3015 $621681 241223$will add snap moment release 35Lock Electra 112715 4120$2040 39 Mesraintt 8F109E16 9 24124824 c E cc$3 produce lot power Before IFocice-WuIfFW190 2980175 39 Lock Llgbtrg 03$77"T7 39167rTS AB-25c launching hard warm up arm 40Soc 247 Truccy12 55167429 cog013 43 Iron Avenger rSF 30 12 40 16 $132 rt N 5264 Rotating shoulder mock throwing 42So. 8170 Ti Fort51227735.- 11.A Tn4 3Dsog Toanep 01-347227132 od lyPage 4 42 DII Mosquito So37151541but throwing OHLG hard 3$ NA Mitchell B-2536152255n291 cod 3M 4AT4throwing ballall help Practice helps 43 N51k Widow P6133499969 30 TAS10 $wks Tex131415621 $ ~rv m arm starts hurt quit 07 50 DemielIe 219913 12 27 24 ~ile launch Challenger 34GlOetGladiatoo16924124$24 27 Lindys NX2iL NY 23 10 341$ 14 69 28 0 slight tilt 26 Ford Trlaotr 4AT 38 22 57 2$A4 59 almost vertical 75080 30 B-Joyce LW J-2 14 10 21 14 42 2$ 33 Grout J2-P Dock 1915 15 29 20 5$ 39 7r-V the left almost overhand use about 27C Oeahwk F7C11515ii231514472$6345 28 ILk A~h1b S-3$ 3k 21 54 2$ 10849 a 10 15-ft run throw very hard 5010 Sort StinA 15 9 2215 12 5 2 ote Craig describing launch tech r.m30 21 45 2$ 90 56 0 16N-Pge 04005.50217535 -nique left-hander 39Cur P3kA Pighto1$15112$14357T$ 32ChIna ClIp MISO655597075 last variable theYou 38Con Calls PSYSA52317$42toughest 37 Stearman Ptd716 7 2415 10 49 38 nt get two minutes OHLG 2$ 8th Soilet915 4 14 6 2$ 12 25 Vgt Coo 02U-1/4 19 10 27 14 54 2$ TT0R 10$56 help air Piggybacking 5OrtocSeercat P8 1$9271253152$10754 9lco TaperWiog157221045205UW29039 eotlens eusually great always feasible ftEADORDERING flSCALE 1/32 SIZEBubbles OK can misleading ISINIMUM ORDER $1000N P1405 AVAILABLE AT ONE SR SURE TO ADS THE DOD n HALF THE 3/ OCALE Mylar streamers especially long AL 1W FOR PACKAGING PRICES FOR ALL DESIGNS POSTAGE AND INSUSASICE HUNDREDS OP ADDIT1D$AL pole can helpful have toying DESIGNS ALL SIZES SOi575 CATALOG $200 OR PRICE LIST ALONE $1 ______________________________ using helium-filled weather balloon NONE FREE with attached Mylar streamer put Edoord PacadAuro, Br Frr,dSncr 9y TODAY 1jeveland Model SupplyCO ORIER SOME ting up launch altitude gives us better idea what air like model will Looks promising FF Duration/Meuser Continued page 71 some time craftsmanship props anything like models youll get top-notch product What US dollar being worth twice what few years back prices might affordable interested non-fold ing variety check out made Anderson Aero Units Co Doc Ander son passed away year ago perhaps best known engine man props too Rol son well-known both rubber-power engine-power circles selling props made masters made Doc FAL Power prop 7-in dia x 275-in pitch goes $750 Props AMA classes ranging 8-in 10-in diameter go between $850 $1100 plus postage course Props molded fiberglass carbonmat-reinforced tips ready fly finished balanced Check Anderson Aero Units Co 4804 Janet Sylvania OH 43560 phone 419 474-8003 during non-work hours NFFS department First off NFFS 1985 Model Year awards International Class FlA Nordic Hi-Hi Lenny Breeman Jan Somers FlB RubberSerephenn Hank Cole FlC PowerOblivian Ken Phair AMA Outdoor Large PowerABC Toothpicks Gil Morris Small PowerAir Express 330 Phil Hainer RubberNo Name Mulvihill Joe Macay Hand-Launched GliderWasp VI by Mike Stoy Small RubberMiniTwin-Fin P-30 Bob White Indoor FlDFilm Flam Jim Rich mond Special Award Ornithopter 84 Al Rohrbaugh Next NFFS Hall Fame awards 1985 following modelers have 146 Model Aviation
