THE PAT-i IS THE PROTOTYPE all-composite plastic canard lightplane designed start com mercially produced Im sure wheth er first lightplane designed understand first canard Aircraft manufacturers both sides Atlantic have trying since mid-1950s produce powered com posite aircraft commercially See Peter Garrisons article April 1982 issue Flying magazine regarding techniques earlier attempts Although canard PAT-i looks much same other four-place low-wing single-engine fixed-gear plane wing just aft usually fuselage about same size vertical fin/rudder What sets apart moving stabilizing sur face tail front thats what makes canard attaching main landing gear fuselage like Cessna Peter Lert test pilot development project has pilot report November 1981 Air Pro gress magazine accompanied several outstanding photographs Budd Davisson PAT-l held promise easy handling plane capable carrying large payload 1000 lbs future now doubt because death companys president Howard Piper shortly before maiden flight June 1981and deaths planes de signer George Meade two NASA prototype Piper Advanced Technology plane PAT-i held much promise ing commercial success crash single plane built has cast shadow designs future Theres no shadow Peanut Scale ver sion Its delight employees crash prototype demonstration flight November 1981 Construction Though really diffi cult buildthis model offers challenges want something out ordinary want As fixed-gear ship no alternative doing part thrill Scale modeling Loosening grasp terra firma takeoff capping successful flight real landing what could better Fuselage Build usual slab sides leave out wing mounting plates now Make canard mounting plates about 1/16 deeper shown plan Bevel inside tail posts sides will meet angle Glue two sides together dry add crosspieces working ward sure use model cement top crosspieces will re moving later substituting laminated bow formers place bow formers made lami nating two strips basswood after soaking hot water Unless want use water-soluble glue let laminations dry overnight recom mend pinning unlaminated strips above other around 1/8-inthick form both strips touching form dry blow dryer dry quickly will hold shape can use what ever kind adhesive between wish saves lot time Note radii forms shown finished size model location have cut forms D G little shallower allow former top stringers Make two formers need wider bearing nose plug fills entire front end Trim formers form bottom notch Formers D G halfway through outside 1/16 bot tom notch helps hold po 66 Model Aviation planes overall appearance similar usual lowwinger except shifting stabilizing surface rear front sition between longerons Formers C go top longerons Use thinner loosen top crosspieces substitute formers time Twist legs Former G entire width touches longerons otherwise will never stay position Use Scotch tape hold formers adhesive dries area ahead windshield covered 1/64 sheet approx used sanded 1/32 sheet Scotch tape will required hold covering glue dries compound curve Two fillets C give curve front cabin Add wing mounting plates cabin stringers brace between wing mounting plates also pair 1/16 x 1/8 braces top bottom crosspieces leading trailing edges canard support front landing gear mount two braces clearly indi cated plan Nose block Cut pieces 1/8 sheet balsa such way may glued cross-grain Cut rearmost piece first make succeed ing piece little smaller easier shap ing glue round spinner base yet Trim rough shape cut away lower half depth air scoop box save Build air scoop box 1/16 scrap cut ends piece saved glue onto ends air scoop box Fill between spinner base air scoop box scrap shape smooth fillet Angle front nose block per side view Sand final shape hollow out nose block add 1/16 back plate Give two coats Aerogloss sanding sealer two coats Aerogloss Swift white enameL used small Peck-Polymers nylon thrust bearing drilled 1/8-in hole starting small drill bit grad ually working larger accommodate spinner turned piece hard 5/8 balsa shaping emery board fine sandpaper Hollow out fit 4-in Kaysun plastic prop cuts come out right first time fill soft balsa recut Assemble parts 1/32-in prop hook bend over very short section end remember has fit inside spinner Glue spinner paint prop silver Wing canard Sand trailing edge stock triangle shape both wing canard wing uses split-rib construction except solid root rib Pin down leading trailing edges glue rib bottoms 1/32 sheet tip block main spar Cut rib tops long allow airfoil curve Put curve fingers back past main spar pre vent cracking give smooth airfoil Trim ribs length glue place Sllde secondary spar touches tip block rib tops glue Conform root rib wing mounting plates fuselage raise wing tip 3/4 glue root rib vertical building board builds dihedral less Now make stick gussets glue corners wing Sand tip block shape round leading edge canard uses standard construc tion except laminated leading edge tip elevated 3/8 install root rib Sand tip block shape round leading edge Fin rudder Initially used 1/16 sq balsa later built another using 1/20 sq also left out diagonal crosspieces later version Both changes weight reasons Sand ing little two adjacent sides 1/16 balsa brings pretty close 1/20 Note balsa stick forming base fin should continue through rudder piece does show plan because jumble lines would have resulted have remember add piece Before covering round outside edges except fuselage contacted Continued July 1984 67 lines plane really quite sleek note detail wheel fairings Left The PAT-i Peanut makes overhead flyby Adjustment very shallow turn definitely isnt pylon racer Right As power rubber motor begins diminish model starts shallow descent finish successful flight Rise-offground takeoffs fun Full-Size Plan Pages 89 92 Landing gear See plan wheel fairings pants parts cut outs made 1/8 sheet main gear 1/16 sheet front gear fairings have 1/32-in outside covers round bottom edges fairings Bend front gear wire conform inside front fairing Make 1/16-in hole top fairing insert wire bot tom out hole slide 1/16-in aluminum tube sleeve down over wire hole Epoxy wire inside fairing also put epoxy around hole outside Put aside dry Bend main gear wire per front view plan also cut bend short spur Attach spur rear main wire fine wire lightly solder field coil electric clock will yield lifetime supply fine copper wirebetter get dis carded clock though Make gear mount 1 / 16 scrap attach gear wire white thread main wheels hollow 1/8-in doughnuts covered 1/32 sheet rounds glued cross grain front wheel has two rounds 1/16 sheet glued cross grain Sand sides front wheel slightly will turn inside fairing Install 1/16-in aluminum tube bushings wheels round edges color black felt tip pen Going back front gear bend sleeve wire inside around cy lindrical object held vise takes lot pressure make bend use vise hold safetys sake Care fully cut away excess sleeve ma terial being careful score wire inside Bend exposed wire shape cut off excess Assemble front wheel its fair ing secure axle tiny retain ers clear acetate Make front gear mount two pieces 1/16 sheet scrap sandwich front gear position between two pieces epoxy Wrap mount white thread put epoxy thread wrapsalso ends axle Assemble main wheels fairings main gear wire anl secure acetate retainers outside Epoxy faiings spurs put epoxy thread wraps drop end axle Windshield molded over form shaped block hardwood balsa 2 x 1-7/8 x 1 dowel glued bottom push stick Use thin wood strips secure piece clear acetate 6-in square piece fiberboard plywood cut out 1/8 larger bottom form has made Heat acetate electric source stove heaternever over open flame until floppy Test eraser end pencil heated sufficiently shove form up bottom through hole far enough acetate cover sides form After cooling remove acetate fiberboard trim fit Covering First remove excess glue blobs modeling knife razor blade sand parts Next locate wing canard incidence lines side wing set -2 degrees Using millimeter mm ruler measure top top longeron center bottom longeron F Now measure down additional 2mm leading edge wing connect two points pencil line canard has 2 degree incidence Measure down 10mm top covering meets side trailing edge canard 8mm leading edge Again draw pencil line side Give framework tissue will attached two coats full strength clear dope Ali flying surfaces wing canard fin rudder covered usual fashion tissue dampened water alcohol 50/50 shrink pinned down flat sur face drying contrasting color stripes door control surface out lines cut dark blue black tissue respectively using metal straightedge new razor blade Brush line clear dope trim go dry position trim brush thinner secure After stripes etc have applied flying surfaces brush spray coat thinned clear dope 50/50 over surfaces fuselage covered several sections cabin divided left right halves half four sections window sections com pletely before proceeding rest cabin First make bond paper tem plates window sections side just reverse other side complete window outlines Cut out tissue sections draw window outlines pencil apply tissue After firmly attached shrink tissue dry apply two coats clear thinned dope allowing drying time between coats going cut out clear acetate windows per tem plates make windows about 1/16 larger have gluing area Cut out window holes apply bead Continued page 164 68 Model Aviation uncovered model shows off delicate yet strong construction used origi nal wing shown solid ribs lighter version per plan flies longer authors setup making acetate canopy together finished canopy left form text has details RED MAX FUEL Best Fuel Beginners Experts Castor Oil Furnished Requestl %CueSpecial FrI Coil 4Gol Cute 24 Gal126 Gal14601 Drum Mitre GalGal JeulPer Got 5 Gel ConPer GotPer Gal Powerlint Pd24 Jugs MorePer Gol-Irt PdFri PdFrkPd Irt Coil 0%1050 36 13500 5%1150 5 85 21900 10%1400 779 29900 12%1500 t867 34000 15%1600 195870 35000 25%2000 . 12001100 49700 40%2500 5 18001600 69600 60%300019955O2300210092300 NW ECONOMY FUEL Very GooSport Fuel ed Pipe Engines 5%1000 - L7565060055019500 10%1100s5575067565028000 15%13A--79592585081033000 NEW 4-CYCLE FUEL 05. Saito Enya Etc Better Idle Top End Regular Glow Fuel 10%140069591082577931000 15%1600775101089590036000 NEW CLEAN BURNING DIESELFUEL Finally Diesel Doesnt Smell Like Kerosene Emit Black Residue 1600800101092590042500 CUSTOM BLENDED FUEL Available Any Type Use Call Price AFTER-RUN OILNot Necessary Use Red Max Fuel 2 oz Bottle $200 Some After-Run Oils Form Gum & Varnish Heres Wont ORDERING INFORMATION FREE DELIVERY 14524 126 gallon deals USA 30 & 54 gallon drums shipped freight collect FOB Clover SC Nitro content fuels can mixed ob tain quantity price SC orders add 4% sales tax Use charge card order CODs limited UPS shipment Deduct 3% prepayment Money Order Cer tified Check ordering 24 gallons please supply daytime phone num ber 24 gallons up shipped motor freight less 24 gallons shipped UPS Prices ice Specializing Quadra/Zenoah Sales Service PO Box 6226 Hayward CA 94544 Tel 415 581-4277 Eves H & K Superstarters Q-35$2995 Q-50$2995 MAG II$3495 Super Hustler$3495 Zenoah$2995 Tartan Twin$3995 NEW Tartan Twin Muffler Set Allows adjustment carb running $3995 400 RPM increase over stock DEALER INQUIRIES INVITED ALL ORDERS ADD $150 POSTAGE & HANDLING CALIF RES ADD SALES TAX RC Electrics/Kopski Continued paqe 161 face off ends motor block rubbing full-size sheet sandpaper rotating grip frequently no single orientation favored faces flat Mark off dimensions notations needed assure alignment interfaced fuselage block pictured has some Vt-in sq balsa assembly guide strips glued place cyanoacrylateCyA glue position fuselage sides during attachment strips excess block balsa will simply carved away sanded shape very front motor mount can shaped right down ply liner producing very attractive Electric motor mount Actual motor attachment done small screws fit through small nylon angles front end-bell motor angles glued inside plywood motor tube Use some /4-in -wide plastic auto trim tape wrapped around motor housing shim motor slightly snug sliding fit hole details sketched January 1984 MA article will illustrated greater detail Spectra construction article enjoying good Electric flying can now easily enjoy good-looking Electric fly ing Happy landings Bob Kopski 25 West End Dr Lansdale PA 19446 PAT-i IWomack Continued paqe 68 model cement inside hole Position window inside cabin attach using thinner Hold position until softened cement begins set Attach other three windows like manner rear portion cabin done four pieces tissue sides covered piece side Finally cover area ahead windshield last section should done wet lay tissue position dampen water smooth out wrinkles apply thinner stick down black glare shield beneath windshield done taping wind shield position rear sliding piece black tissue under mark ing outline windshield Cut out outline remove windshield apply tissue dry cut out curved front cabin fuselage bottom covered until parts except landing gear fairings have assembled Dont forget color stripes fuselage sidesand windshield Assembly Remove tissue wing canard attachment areas using 164 Model Aviation THIS YEARs HATS WINNERS PROVE RED MAX BEST First Place 4 out S Catagoriesi MieCed istri verulJoff Hums iuiPI 2idyr inrowRichlrwme lstPlJoe Wagner lstPt 100% Guarantee Will Find Red Max Better Any Other Fuel Market PK PRODUCTS thinner loosen Attach wing canard panels time use model cement panels can easi ly repositioned necessary Hold approximate dihedral angle until ce ment starts set put assem bly building board ap propriate fuselage section flat board block up wing can ard proper dihedral angles advisable weight fuselage insideor use some other method hold down board proper position attachments thoroughly dry glue fin/rudder landing gear assemblies fuselage bottom covered sections tissue shrunk doped Make landing gear fairings bond paper install gluing inside seam bottom Leave top free gear can flex tearing covering Flying power use 11 -in loop 1/8-in rubber Install lubed motor balance model point shown model required no addition al weight Test gliding will show wheth er wing canard have proper angles incidence Use negative incidence wing correct dive less positive incidence canard correct up-swoop Put about 500 turns motor let model rise off ground its wheels should take off make few circles left come landing model refuses take off reduce amount downthrust okay add winds will probably need about 3/32-in washin left wing tip isnt pylon racer want turns fairly flat get flights about 23 seconds out doors hand launchwithout thermal assistance model weighs 15 grams motor can build lighter should much bet ter hope enjoy building model know will enjoy sight unique design flightas well takeoffs landings Happy fly ing Acknowledgement Thanks brother Elmer Womack inking drawing FF Indoor/Tenny Continued page 69 using same scale will use plot ting test data Pounds Force scale will 75-in d Stretch scale will 1 tretch draw cut out rectangle 3 x 4 represent 4 pounds force x 40-in stretch rectangle represents 40 x 4 160 inch-pounds Di vide 160/12 get 1333 foot-pounds typical weight rectangle 0233 oz proportional 1333 foot-pounds 2 Plot energy release test another piece same graph paper cut out graph along curve coordinate axes Weigh graph com pute energy release way weight energy graph oz xl 333 weight test rectangle azXftlb Xft.lbxl6oz weight energy graph oz x 1 lh ft.Ib/Ib Dick also cautions stretch-testing rubber fails show up undesirable characteristic some rubbergrapevining may have seen some rubber felt tested good wind start come little pigtails pop out side over motor Rubber characteristic usually cannot used unless both skilled lucky getting grapevining under control Instant CD Charlie Sotich Chicago Aeronuts prepared CD contest drop hat youve face problems Indoor CD things weigh measure etc processing various Indoor model classes Charlie al ways has some sort scales him really handy thing brings meet set processing templates photos shows general idea Besides special setup Bostonian Pennyplane Manhattan Cabin has general-pur pose template covers almost odds ends left over special templates Charlie has measured off labeled places check wingspan stab span prop diameter box size Boston ian Manhattan etc Processing models works way first know rules apply uniformly fairly CD meet need check models flown tem plates like Charlie Sotich uses con testant required check own model CD watches cant get model fit inside template sure cant blame CD Also CD no longer has worry about possibility breaking model contestant does own check ing salute have often mentioned Doe Mar tins MIAMI club has nearly yearround Indoor activity Well Bedford TX thanks Jesse Shepherd prime mover Walt Kulzer contact man Ed Turner find regularly-scheduled sanctioned Indoor contests gymnasium Bedford Boys Ranch group activity spans kinds Indoor activity heavy em phasis Indoor Scale However special events held younger inex perienced fliers contest includes Easy B/Pennyplane HLG plus oppor tunity record attempts classes Scale fliers come far Houston Stan Chilton Wichita KS has set number records adding list Continued page 168 NOW THERES QUICK AND EASY WAY OF CLEANING YOUR MODEL CRAFTS Super-K Model Cleaner Remoies fuel Residue dirt contact CUTS ClEANING liME IN NAIl Just spray model solvent wipe soft cloth paper SIMPIE AS THAT Lewes craft showcase clean Wont hami PaInts Odes Clew last Ulminates Wado cleaning yaw model Sirong Professional Quality formula Great Model Craft Boats Piones Helicopters Cleans Gentty Protects delicate model DEALERS WANTED DOMESTIC & OVERSEAS WE EXPORT Hurry Have product shelves time Chnstmas guaranteed top seller Sugg retail $550 per gallon Contact us prIce structures orderIng InformatIon Also ask about other Super-K products Model Industry Are Manufacturers & Major Brands Distributors Model Engines Kits Radios & Accessories Super-K brand Kings Radio Control Hobbies International 3960 West 16th Ave Hialeah Florida 33012 Phone 305 557 2024 July 1984 165 ATTENTION- MODEL CLUBS HERES WAY TO DOUBLE YOUR MONEYAT NO RISK EASY end go CANT LOSE SELL OUR LINE OF MODEL AIRCRAFT BUTTONSyou CATG0 AT YOUR NEXT WRONG WITH CONTEST OR AIRSHOW AWE Appeals last ehoat EVERYBODY WE BUY BACK WHAT YOU DONT SELL Send SASE details iIM lESSERS QUALITY MODEL PRODUCTS 106 VALLEY VIEW DRIVE ALLEGANY NEW YORK 14706
Edition: Model Aviation - 1984/07
Page Numbers: 66, 67, 68, 164, 165
THE PAT-i IS THE PROTOTYPE all-composite plastic canard lightplane designed start com mercially produced Im sure wheth er first lightplane designed understand first canard Aircraft manufacturers both sides Atlantic have trying since mid-1950s produce powered com posite aircraft commercially See Peter Garrisons article April 1982 issue Flying magazine regarding techniques earlier attempts Although canard PAT-i looks much same other four-place low-wing single-engine fixed-gear plane wing just aft usually fuselage about same size vertical fin/rudder What sets apart moving stabilizing sur face tail front thats what makes canard attaching main landing gear fuselage like Cessna Peter Lert test pilot development project has pilot report November 1981 Air Pro gress magazine accompanied several outstanding photographs Budd Davisson PAT-l held promise easy handling plane capable carrying large payload 1000 lbs future now doubt because death companys president Howard Piper shortly before maiden flight June 1981and deaths planes de signer George Meade two NASA prototype Piper Advanced Technology plane PAT-i held much promise ing commercial success crash single plane built has cast shadow designs future Theres no shadow Peanut Scale ver sion Its delight employees crash prototype demonstration flight November 1981 Construction Though really diffi cult buildthis model offers challenges want something out ordinary want As fixed-gear ship no alternative doing part thrill Scale modeling Loosening grasp terra firma takeoff capping successful flight real landing what could better Fuselage Build usual slab sides leave out wing mounting plates now Make canard mounting plates about 1/16 deeper shown plan Bevel inside tail posts sides will meet angle Glue two sides together dry add crosspieces working ward sure use model cement top crosspieces will re moving later substituting laminated bow formers place bow formers made lami nating two strips basswood after soaking hot water Unless want use water-soluble glue let laminations dry overnight recom mend pinning unlaminated strips above other around 1/8-inthick form both strips touching form dry blow dryer dry quickly will hold shape can use what ever kind adhesive between wish saves lot time Note radii forms shown finished size model location have cut forms D G little shallower allow former top stringers Make two formers need wider bearing nose plug fills entire front end Trim formers form bottom notch Formers D G halfway through outside 1/16 bot tom notch helps hold po 66 Model Aviation planes overall appearance similar usual lowwinger except shifting stabilizing surface rear front sition between longerons Formers C go top longerons Use thinner loosen top crosspieces substitute formers time Twist legs Former G entire width touches longerons otherwise will never stay position Use Scotch tape hold formers adhesive dries area ahead windshield covered 1/64 sheet approx used sanded 1/32 sheet Scotch tape will required hold covering glue dries compound curve Two fillets C give curve front cabin Add wing mounting plates cabin stringers brace between wing mounting plates also pair 1/16 x 1/8 braces top bottom crosspieces leading trailing edges canard support front landing gear mount two braces clearly indi cated plan Nose block Cut pieces 1/8 sheet balsa such way may glued cross-grain Cut rearmost piece first make succeed ing piece little smaller easier shap ing glue round spinner base yet Trim rough shape cut away lower half depth air scoop box save Build air scoop box 1/16 scrap cut ends piece saved glue onto ends air scoop box Fill between spinner base air scoop box scrap shape smooth fillet Angle front nose block per side view Sand final shape hollow out nose block add 1/16 back plate Give two coats Aerogloss sanding sealer two coats Aerogloss Swift white enameL used small Peck-Polymers nylon thrust bearing drilled 1/8-in hole starting small drill bit grad ually working larger accommodate spinner turned piece hard 5/8 balsa shaping emery board fine sandpaper Hollow out fit 4-in Kaysun plastic prop cuts come out right first time fill soft balsa recut Assemble parts 1/32-in prop hook bend over very short section end remember has fit inside spinner Glue spinner paint prop silver Wing canard Sand trailing edge stock triangle shape both wing canard wing uses split-rib construction except solid root rib Pin down leading trailing edges glue rib bottoms 1/32 sheet tip block main spar Cut rib tops long allow airfoil curve Put curve fingers back past main spar pre vent cracking give smooth airfoil Trim ribs length glue place Sllde secondary spar touches tip block rib tops glue Conform root rib wing mounting plates fuselage raise wing tip 3/4 glue root rib vertical building board builds dihedral less Now make stick gussets glue corners wing Sand tip block shape round leading edge canard uses standard construc tion except laminated leading edge tip elevated 3/8 install root rib Sand tip block shape round leading edge Fin rudder Initially used 1/16 sq balsa later built another using 1/20 sq also left out diagonal crosspieces later version Both changes weight reasons Sand ing little two adjacent sides 1/16 balsa brings pretty close 1/20 Note balsa stick forming base fin should continue through rudder piece does show plan because jumble lines would have resulted have remember add piece Before covering round outside edges except fuselage contacted Continued July 1984 67 lines plane really quite sleek note detail wheel fairings Left The PAT-i Peanut makes overhead flyby Adjustment very shallow turn definitely isnt pylon racer Right As power rubber motor begins diminish model starts shallow descent finish successful flight Rise-offground takeoffs fun Full-Size Plan Pages 89 92 Landing gear See plan wheel fairings pants parts cut outs made 1/8 sheet main gear 1/16 sheet front gear fairings have 1/32-in outside covers round bottom edges fairings Bend front gear wire conform inside front fairing Make 1/16-in hole top fairing insert wire bot tom out hole slide 1/16-in aluminum tube sleeve down over wire hole Epoxy wire inside fairing also put epoxy around hole outside Put aside dry Bend main gear wire per front view plan also cut bend short spur Attach spur rear main wire fine wire lightly solder field coil electric clock will yield lifetime supply fine copper wirebetter get dis carded clock though Make gear mount 1 / 16 scrap attach gear wire white thread main wheels hollow 1/8-in doughnuts covered 1/32 sheet rounds glued cross grain front wheel has two rounds 1/16 sheet glued cross grain Sand sides front wheel slightly will turn inside fairing Install 1/16-in aluminum tube bushings wheels round edges color black felt tip pen Going back front gear bend sleeve wire inside around cy lindrical object held vise takes lot pressure make bend use vise hold safetys sake Care fully cut away excess sleeve ma terial being careful score wire inside Bend exposed wire shape cut off excess Assemble front wheel its fair ing secure axle tiny retain ers clear acetate Make front gear mount two pieces 1/16 sheet scrap sandwich front gear position between two pieces epoxy Wrap mount white thread put epoxy thread wrapsalso ends axle Assemble main wheels fairings main gear wire anl secure acetate retainers outside Epoxy faiings spurs put epoxy thread wraps drop end axle Windshield molded over form shaped block hardwood balsa 2 x 1-7/8 x 1 dowel glued bottom push stick Use thin wood strips secure piece clear acetate 6-in square piece fiberboard plywood cut out 1/8 larger bottom form has made Heat acetate electric source stove heaternever over open flame until floppy Test eraser end pencil heated sufficiently shove form up bottom through hole far enough acetate cover sides form After cooling remove acetate fiberboard trim fit Covering First remove excess glue blobs modeling knife razor blade sand parts Next locate wing canard incidence lines side wing set -2 degrees Using millimeter mm ruler measure top top longeron center bottom longeron F Now measure down additional 2mm leading edge wing connect two points pencil line canard has 2 degree incidence Measure down 10mm top covering meets side trailing edge canard 8mm leading edge Again draw pencil line side Give framework tissue will attached two coats full strength clear dope Ali flying surfaces wing canard fin rudder covered usual fashion tissue dampened water alcohol 50/50 shrink pinned down flat sur face drying contrasting color stripes door control surface out lines cut dark blue black tissue respectively using metal straightedge new razor blade Brush line clear dope trim go dry position trim brush thinner secure After stripes etc have applied flying surfaces brush spray coat thinned clear dope 50/50 over surfaces fuselage covered several sections cabin divided left right halves half four sections window sections com pletely before proceeding rest cabin First make bond paper tem plates window sections side just reverse other side complete window outlines Cut out tissue sections draw window outlines pencil apply tissue After firmly attached shrink tissue dry apply two coats clear thinned dope allowing drying time between coats going cut out clear acetate windows per tem plates make windows about 1/16 larger have gluing area Cut out window holes apply bead Continued page 164 68 Model Aviation uncovered model shows off delicate yet strong construction used origi nal wing shown solid ribs lighter version per plan flies longer authors setup making acetate canopy together finished canopy left form text has details RED MAX FUEL Best Fuel Beginners Experts Castor Oil Furnished Requestl %CueSpecial FrI Coil 4Gol Cute 24 Gal126 Gal14601 Drum Mitre GalGal JeulPer Got 5 Gel ConPer GotPer Gal Powerlint Pd24 Jugs MorePer Gol-Irt PdFri PdFrkPd Irt Coil 0%1050 36 13500 5%1150 5 85 21900 10%1400 779 29900 12%1500 t867 34000 15%1600 195870 35000 25%2000 . 12001100 49700 40%2500 5 18001600 69600 60%300019955O2300210092300 NW ECONOMY FUEL Very GooSport Fuel ed Pipe Engines 5%1000 - L7565060055019500 10%1100s5575067565028000 15%13A--79592585081033000 NEW 4-CYCLE FUEL 05. Saito Enya Etc Better Idle Top End Regular Glow Fuel 10%140069591082577931000 15%1600775101089590036000 NEW CLEAN BURNING DIESELFUEL Finally Diesel Doesnt Smell Like Kerosene Emit Black Residue 1600800101092590042500 CUSTOM BLENDED FUEL Available Any Type Use Call Price AFTER-RUN OILNot Necessary Use Red Max Fuel 2 oz Bottle $200 Some After-Run Oils Form Gum & Varnish Heres Wont ORDERING INFORMATION FREE DELIVERY 14524 126 gallon deals USA 30 & 54 gallon drums shipped freight collect FOB Clover SC Nitro content fuels can mixed ob tain quantity price SC orders add 4% sales tax Use charge card order CODs limited UPS shipment Deduct 3% prepayment Money Order Cer tified Check ordering 24 gallons please supply daytime phone num ber 24 gallons up shipped motor freight less 24 gallons shipped UPS Prices ice Specializing Quadra/Zenoah Sales Service PO Box 6226 Hayward CA 94544 Tel 415 581-4277 Eves H & K Superstarters Q-35$2995 Q-50$2995 MAG II$3495 Super Hustler$3495 Zenoah$2995 Tartan Twin$3995 NEW Tartan Twin Muffler Set Allows adjustment carb running $3995 400 RPM increase over stock DEALER INQUIRIES INVITED ALL ORDERS ADD $150 POSTAGE & HANDLING CALIF RES ADD SALES TAX RC Electrics/Kopski Continued paqe 161 face off ends motor block rubbing full-size sheet sandpaper rotating grip frequently no single orientation favored faces flat Mark off dimensions notations needed assure alignment interfaced fuselage block pictured has some Vt-in sq balsa assembly guide strips glued place cyanoacrylateCyA glue position fuselage sides during attachment strips excess block balsa will simply carved away sanded shape very front motor mount can shaped right down ply liner producing very attractive Electric motor mount Actual motor attachment done small screws fit through small nylon angles front end-bell motor angles glued inside plywood motor tube Use some /4-in -wide plastic auto trim tape wrapped around motor housing shim motor slightly snug sliding fit hole details sketched January 1984 MA article will illustrated greater detail Spectra construction article enjoying good Electric flying can now easily enjoy good-looking Electric fly ing Happy landings Bob Kopski 25 West End Dr Lansdale PA 19446 PAT-i IWomack Continued paqe 68 model cement inside hole Position window inside cabin attach using thinner Hold position until softened cement begins set Attach other three windows like manner rear portion cabin done four pieces tissue sides covered piece side Finally cover area ahead windshield last section should done wet lay tissue position dampen water smooth out wrinkles apply thinner stick down black glare shield beneath windshield done taping wind shield position rear sliding piece black tissue under mark ing outline windshield Cut out outline remove windshield apply tissue dry cut out curved front cabin fuselage bottom covered until parts except landing gear fairings have assembled Dont forget color stripes fuselage sidesand windshield Assembly Remove tissue wing canard attachment areas using 164 Model Aviation THIS YEARs HATS WINNERS PROVE RED MAX BEST First Place 4 out S Catagoriesi MieCed istri verulJoff Hums iuiPI 2idyr inrowRichlrwme lstPlJoe Wagner lstPt 100% Guarantee Will Find Red Max Better Any Other Fuel Market PK PRODUCTS thinner loosen Attach wing canard panels time use model cement panels can easi ly repositioned necessary Hold approximate dihedral angle until ce ment starts set put assem bly building board ap propriate fuselage section flat board block up wing can ard proper dihedral angles advisable weight fuselage insideor use some other method hold down board proper position attachments thoroughly dry glue fin/rudder landing gear assemblies fuselage bottom covered sections tissue shrunk doped Make landing gear fairings bond paper install gluing inside seam bottom Leave top free gear can flex tearing covering Flying power use 11 -in loop 1/8-in rubber Install lubed motor balance model point shown model required no addition al weight Test gliding will show wheth er wing canard have proper angles incidence Use negative incidence wing correct dive less positive incidence canard correct up-swoop Put about 500 turns motor let model rise off ground its wheels should take off make few circles left come landing model refuses take off reduce amount downthrust okay add winds will probably need about 3/32-in washin left wing tip isnt pylon racer want turns fairly flat get flights about 23 seconds out doors hand launchwithout thermal assistance model weighs 15 grams motor can build lighter should much bet ter hope enjoy building model know will enjoy sight unique design flightas well takeoffs landings Happy fly ing Acknowledgement Thanks brother Elmer Womack inking drawing FF Indoor/Tenny Continued page 69 using same scale will use plot ting test data Pounds Force scale will 75-in d Stretch scale will 1 tretch draw cut out rectangle 3 x 4 represent 4 pounds force x 40-in stretch rectangle represents 40 x 4 160 inch-pounds Di vide 160/12 get 1333 foot-pounds typical weight rectangle 0233 oz proportional 1333 foot-pounds 2 Plot energy release test another piece same graph paper cut out graph along curve coordinate axes Weigh graph com pute energy release way weight energy graph oz xl 333 weight test rectangle azXftlb Xft.lbxl6oz weight energy graph oz x 1 lh ft.Ib/Ib Dick also cautions stretch-testing rubber fails show up undesirable characteristic some rubbergrapevining may have seen some rubber felt tested good wind start come little pigtails pop out side over motor Rubber characteristic usually cannot used unless both skilled lucky getting grapevining under control Instant CD Charlie Sotich Chicago Aeronuts prepared CD contest drop hat youve face problems Indoor CD things weigh measure etc processing various Indoor model classes Charlie al ways has some sort scales him really handy thing brings meet set processing templates photos shows general idea Besides special setup Bostonian Pennyplane Manhattan Cabin has general-pur pose template covers almost odds ends left over special templates Charlie has measured off labeled places check wingspan stab span prop diameter box size Boston ian Manhattan etc Processing models works way first know rules apply uniformly fairly CD meet need check models flown tem plates like Charlie Sotich uses con testant required check own model CD watches cant get model fit inside template sure cant blame CD Also CD no longer has worry about possibility breaking model contestant does own check ing salute have often mentioned Doe Mar tins MIAMI club has nearly yearround Indoor activity Well Bedford TX thanks Jesse Shepherd prime mover Walt Kulzer contact man Ed Turner find regularly-scheduled sanctioned Indoor contests gymnasium Bedford Boys Ranch group activity spans kinds Indoor activity heavy em phasis Indoor Scale However special events held younger inex perienced fliers contest includes Easy B/Pennyplane HLG plus oppor tunity record attempts classes Scale fliers come far Houston Stan Chilton Wichita KS has set number records adding list Continued page 168 NOW THERES QUICK AND EASY WAY OF CLEANING YOUR MODEL CRAFTS Super-K Model Cleaner Remoies fuel Residue dirt contact CUTS ClEANING liME IN NAIl Just spray model solvent wipe soft cloth paper SIMPIE AS THAT Lewes craft showcase clean Wont hami PaInts Odes Clew last Ulminates Wado cleaning yaw model Sirong Professional Quality formula Great Model Craft Boats Piones Helicopters Cleans Gentty Protects delicate model DEALERS WANTED DOMESTIC & OVERSEAS WE EXPORT Hurry Have product shelves time Chnstmas guaranteed top seller Sugg retail $550 per gallon Contact us prIce structures orderIng InformatIon Also ask about other Super-K products Model Industry Are Manufacturers & Major Brands Distributors Model Engines Kits Radios & Accessories Super-K brand Kings Radio Control Hobbies International 3960 West 16th Ave Hialeah Florida 33012 Phone 305 557 2024 July 1984 165 ATTENTION- MODEL CLUBS HERES WAY TO DOUBLE YOUR MONEYAT NO RISK EASY end go CANT LOSE SELL OUR LINE OF MODEL AIRCRAFT BUTTONSyou CATG0 AT YOUR NEXT WRONG WITH CONTEST OR AIRSHOW AWE Appeals last ehoat EVERYBODY WE BUY BACK WHAT YOU DONT SELL Send SASE details iIM lESSERS QUALITY MODEL PRODUCTS 106 VALLEY VIEW DRIVE ALLEGANY NEW YORK 14706
Edition: Model Aviation - 1984/07
Page Numbers: 66, 67, 68, 164, 165
THE PAT-i IS THE PROTOTYPE all-composite plastic canard lightplane designed start com mercially produced Im sure wheth er first lightplane designed understand first canard Aircraft manufacturers both sides Atlantic have trying since mid-1950s produce powered com posite aircraft commercially See Peter Garrisons article April 1982 issue Flying magazine regarding techniques earlier attempts Although canard PAT-i looks much same other four-place low-wing single-engine fixed-gear plane wing just aft usually fuselage about same size vertical fin/rudder What sets apart moving stabilizing sur face tail front thats what makes canard attaching main landing gear fuselage like Cessna Peter Lert test pilot development project has pilot report November 1981 Air Pro gress magazine accompanied several outstanding photographs Budd Davisson PAT-l held promise easy handling plane capable carrying large payload 1000 lbs future now doubt because death companys president Howard Piper shortly before maiden flight June 1981and deaths planes de signer George Meade two NASA prototype Piper Advanced Technology plane PAT-i held much promise ing commercial success crash single plane built has cast shadow designs future Theres no shadow Peanut Scale ver sion Its delight employees crash prototype demonstration flight November 1981 Construction Though really diffi cult buildthis model offers challenges want something out ordinary want As fixed-gear ship no alternative doing part thrill Scale modeling Loosening grasp terra firma takeoff capping successful flight real landing what could better Fuselage Build usual slab sides leave out wing mounting plates now Make canard mounting plates about 1/16 deeper shown plan Bevel inside tail posts sides will meet angle Glue two sides together dry add crosspieces working ward sure use model cement top crosspieces will re moving later substituting laminated bow formers place bow formers made lami nating two strips basswood after soaking hot water Unless want use water-soluble glue let laminations dry overnight recom mend pinning unlaminated strips above other around 1/8-inthick form both strips touching form dry blow dryer dry quickly will hold shape can use what ever kind adhesive between wish saves lot time Note radii forms shown finished size model location have cut forms D G little shallower allow former top stringers Make two formers need wider bearing nose plug fills entire front end Trim formers form bottom notch Formers D G halfway through outside 1/16 bot tom notch helps hold po 66 Model Aviation planes overall appearance similar usual lowwinger except shifting stabilizing surface rear front sition between longerons Formers C go top longerons Use thinner loosen top crosspieces substitute formers time Twist legs Former G entire width touches longerons otherwise will never stay position Use Scotch tape hold formers adhesive dries area ahead windshield covered 1/64 sheet approx used sanded 1/32 sheet Scotch tape will required hold covering glue dries compound curve Two fillets C give curve front cabin Add wing mounting plates cabin stringers brace between wing mounting plates also pair 1/16 x 1/8 braces top bottom crosspieces leading trailing edges canard support front landing gear mount two braces clearly indi cated plan Nose block Cut pieces 1/8 sheet balsa such way may glued cross-grain Cut rearmost piece first make succeed ing piece little smaller easier shap ing glue round spinner base yet Trim rough shape cut away lower half depth air scoop box save Build air scoop box 1/16 scrap cut ends piece saved glue onto ends air scoop box Fill between spinner base air scoop box scrap shape smooth fillet Angle front nose block per side view Sand final shape hollow out nose block add 1/16 back plate Give two coats Aerogloss sanding sealer two coats Aerogloss Swift white enameL used small Peck-Polymers nylon thrust bearing drilled 1/8-in hole starting small drill bit grad ually working larger accommodate spinner turned piece hard 5/8 balsa shaping emery board fine sandpaper Hollow out fit 4-in Kaysun plastic prop cuts come out right first time fill soft balsa recut Assemble parts 1/32-in prop hook bend over very short section end remember has fit inside spinner Glue spinner paint prop silver Wing canard Sand trailing edge stock triangle shape both wing canard wing uses split-rib construction except solid root rib Pin down leading trailing edges glue rib bottoms 1/32 sheet tip block main spar Cut rib tops long allow airfoil curve Put curve fingers back past main spar pre vent cracking give smooth airfoil Trim ribs length glue place Sllde secondary spar touches tip block rib tops glue Conform root rib wing mounting plates fuselage raise wing tip 3/4 glue root rib vertical building board builds dihedral less Now make stick gussets glue corners wing Sand tip block shape round leading edge canard uses standard construc tion except laminated leading edge tip elevated 3/8 install root rib Sand tip block shape round leading edge Fin rudder Initially used 1/16 sq balsa later built another using 1/20 sq also left out diagonal crosspieces later version Both changes weight reasons Sand ing little two adjacent sides 1/16 balsa brings pretty close 1/20 Note balsa stick forming base fin should continue through rudder piece does show plan because jumble lines would have resulted have remember add piece Before covering round outside edges except fuselage contacted Continued July 1984 67 lines plane really quite sleek note detail wheel fairings Left The PAT-i Peanut makes overhead flyby Adjustment very shallow turn definitely isnt pylon racer Right As power rubber motor begins diminish model starts shallow descent finish successful flight Rise-offground takeoffs fun Full-Size Plan Pages 89 92 Landing gear See plan wheel fairings pants parts cut outs made 1/8 sheet main gear 1/16 sheet front gear fairings have 1/32-in outside covers round bottom edges fairings Bend front gear wire conform inside front fairing Make 1/16-in hole top fairing insert wire bot tom out hole slide 1/16-in aluminum tube sleeve down over wire hole Epoxy wire inside fairing also put epoxy around hole outside Put aside dry Bend main gear wire per front view plan also cut bend short spur Attach spur rear main wire fine wire lightly solder field coil electric clock will yield lifetime supply fine copper wirebetter get dis carded clock though Make gear mount 1 / 16 scrap attach gear wire white thread main wheels hollow 1/8-in doughnuts covered 1/32 sheet rounds glued cross grain front wheel has two rounds 1/16 sheet glued cross grain Sand sides front wheel slightly will turn inside fairing Install 1/16-in aluminum tube bushings wheels round edges color black felt tip pen Going back front gear bend sleeve wire inside around cy lindrical object held vise takes lot pressure make bend use vise hold safetys sake Care fully cut away excess sleeve ma terial being careful score wire inside Bend exposed wire shape cut off excess Assemble front wheel its fair ing secure axle tiny retain ers clear acetate Make front gear mount two pieces 1/16 sheet scrap sandwich front gear position between two pieces epoxy Wrap mount white thread put epoxy thread wrapsalso ends axle Assemble main wheels fairings main gear wire anl secure acetate retainers outside Epoxy faiings spurs put epoxy thread wraps drop end axle Windshield molded over form shaped block hardwood balsa 2 x 1-7/8 x 1 dowel glued bottom push stick Use thin wood strips secure piece clear acetate 6-in square piece fiberboard plywood cut out 1/8 larger bottom form has made Heat acetate electric source stove heaternever over open flame until floppy Test eraser end pencil heated sufficiently shove form up bottom through hole far enough acetate cover sides form After cooling remove acetate fiberboard trim fit Covering First remove excess glue blobs modeling knife razor blade sand parts Next locate wing canard incidence lines side wing set -2 degrees Using millimeter mm ruler measure top top longeron center bottom longeron F Now measure down additional 2mm leading edge wing connect two points pencil line canard has 2 degree incidence Measure down 10mm top covering meets side trailing edge canard 8mm leading edge Again draw pencil line side Give framework tissue will attached two coats full strength clear dope Ali flying surfaces wing canard fin rudder covered usual fashion tissue dampened water alcohol 50/50 shrink pinned down flat sur face drying contrasting color stripes door control surface out lines cut dark blue black tissue respectively using metal straightedge new razor blade Brush line clear dope trim go dry position trim brush thinner secure After stripes etc have applied flying surfaces brush spray coat thinned clear dope 50/50 over surfaces fuselage covered several sections cabin divided left right halves half four sections window sections com pletely before proceeding rest cabin First make bond paper tem plates window sections side just reverse other side complete window outlines Cut out tissue sections draw window outlines pencil apply tissue After firmly attached shrink tissue dry apply two coats clear thinned dope allowing drying time between coats going cut out clear acetate windows per tem plates make windows about 1/16 larger have gluing area Cut out window holes apply bead Continued page 164 68 Model Aviation uncovered model shows off delicate yet strong construction used origi nal wing shown solid ribs lighter version per plan flies longer authors setup making acetate canopy together finished canopy left form text has details RED MAX FUEL Best Fuel Beginners Experts Castor Oil Furnished Requestl %CueSpecial FrI Coil 4Gol Cute 24 Gal126 Gal14601 Drum Mitre GalGal JeulPer Got 5 Gel ConPer GotPer Gal Powerlint Pd24 Jugs MorePer Gol-Irt PdFri PdFrkPd Irt Coil 0%1050 36 13500 5%1150 5 85 21900 10%1400 779 29900 12%1500 t867 34000 15%1600 195870 35000 25%2000 . 12001100 49700 40%2500 5 18001600 69600 60%300019955O2300210092300 NW ECONOMY FUEL Very GooSport Fuel ed Pipe Engines 5%1000 - L7565060055019500 10%1100s5575067565028000 15%13A--79592585081033000 NEW 4-CYCLE FUEL 05. Saito Enya Etc Better Idle Top End Regular Glow Fuel 10%140069591082577931000 15%1600775101089590036000 NEW CLEAN BURNING DIESELFUEL Finally Diesel Doesnt Smell Like Kerosene Emit Black Residue 1600800101092590042500 CUSTOM BLENDED FUEL Available Any Type Use Call Price AFTER-RUN OILNot Necessary Use Red Max Fuel 2 oz Bottle $200 Some After-Run Oils Form Gum & Varnish Heres Wont ORDERING INFORMATION FREE DELIVERY 14524 126 gallon deals USA 30 & 54 gallon drums shipped freight collect FOB Clover SC Nitro content fuels can mixed ob tain quantity price SC orders add 4% sales tax Use charge card order CODs limited UPS shipment Deduct 3% prepayment Money Order Cer tified Check ordering 24 gallons please supply daytime phone num ber 24 gallons up shipped motor freight less 24 gallons shipped UPS Prices ice Specializing Quadra/Zenoah Sales Service PO Box 6226 Hayward CA 94544 Tel 415 581-4277 Eves H & K Superstarters Q-35$2995 Q-50$2995 MAG II$3495 Super Hustler$3495 Zenoah$2995 Tartan Twin$3995 NEW Tartan Twin Muffler Set Allows adjustment carb running $3995 400 RPM increase over stock DEALER INQUIRIES INVITED ALL ORDERS ADD $150 POSTAGE & HANDLING CALIF RES ADD SALES TAX RC Electrics/Kopski Continued paqe 161 face off ends motor block rubbing full-size sheet sandpaper rotating grip frequently no single orientation favored faces flat Mark off dimensions notations needed assure alignment interfaced fuselage block pictured has some Vt-in sq balsa assembly guide strips glued place cyanoacrylateCyA glue position fuselage sides during attachment strips excess block balsa will simply carved away sanded shape very front motor mount can shaped right down ply liner producing very attractive Electric motor mount Actual motor attachment done small screws fit through small nylon angles front end-bell motor angles glued inside plywood motor tube Use some /4-in -wide plastic auto trim tape wrapped around motor housing shim motor slightly snug sliding fit hole details sketched January 1984 MA article will illustrated greater detail Spectra construction article enjoying good Electric flying can now easily enjoy good-looking Electric fly ing Happy landings Bob Kopski 25 West End Dr Lansdale PA 19446 PAT-i IWomack Continued paqe 68 model cement inside hole Position window inside cabin attach using thinner Hold position until softened cement begins set Attach other three windows like manner rear portion cabin done four pieces tissue sides covered piece side Finally cover area ahead windshield last section should done wet lay tissue position dampen water smooth out wrinkles apply thinner stick down black glare shield beneath windshield done taping wind shield position rear sliding piece black tissue under mark ing outline windshield Cut out outline remove windshield apply tissue dry cut out curved front cabin fuselage bottom covered until parts except landing gear fairings have assembled Dont forget color stripes fuselage sidesand windshield Assembly Remove tissue wing canard attachment areas using 164 Model Aviation THIS YEARs HATS WINNERS PROVE RED MAX BEST First Place 4 out S Catagoriesi MieCed istri verulJoff Hums iuiPI 2idyr inrowRichlrwme lstPlJoe Wagner lstPt 100% Guarantee Will Find Red Max Better Any Other Fuel Market PK PRODUCTS thinner loosen Attach wing canard panels time use model cement panels can easi ly repositioned necessary Hold approximate dihedral angle until ce ment starts set put assem bly building board ap propriate fuselage section flat board block up wing can ard proper dihedral angles advisable weight fuselage insideor use some other method hold down board proper position attachments thoroughly dry glue fin/rudder landing gear assemblies fuselage bottom covered sections tissue shrunk doped Make landing gear fairings bond paper install gluing inside seam bottom Leave top free gear can flex tearing covering Flying power use 11 -in loop 1/8-in rubber Install lubed motor balance model point shown model required no addition al weight Test gliding will show wheth er wing canard have proper angles incidence Use negative incidence wing correct dive less positive incidence canard correct up-swoop Put about 500 turns motor let model rise off ground its wheels should take off make few circles left come landing model refuses take off reduce amount downthrust okay add winds will probably need about 3/32-in washin left wing tip isnt pylon racer want turns fairly flat get flights about 23 seconds out doors hand launchwithout thermal assistance model weighs 15 grams motor can build lighter should much bet ter hope enjoy building model know will enjoy sight unique design flightas well takeoffs landings Happy fly ing Acknowledgement Thanks brother Elmer Womack inking drawing FF Indoor/Tenny Continued page 69 using same scale will use plot ting test data Pounds Force scale will 75-in d Stretch scale will 1 tretch draw cut out rectangle 3 x 4 represent 4 pounds force x 40-in stretch rectangle represents 40 x 4 160 inch-pounds Di vide 160/12 get 1333 foot-pounds typical weight rectangle 0233 oz proportional 1333 foot-pounds 2 Plot energy release test another piece same graph paper cut out graph along curve coordinate axes Weigh graph com pute energy release way weight energy graph oz xl 333 weight test rectangle azXftlb Xft.lbxl6oz weight energy graph oz x 1 lh ft.Ib/Ib Dick also cautions stretch-testing rubber fails show up undesirable characteristic some rubbergrapevining may have seen some rubber felt tested good wind start come little pigtails pop out side over motor Rubber characteristic usually cannot used unless both skilled lucky getting grapevining under control Instant CD Charlie Sotich Chicago Aeronuts prepared CD contest drop hat youve face problems Indoor CD things weigh measure etc processing various Indoor model classes Charlie al ways has some sort scales him really handy thing brings meet set processing templates photos shows general idea Besides special setup Bostonian Pennyplane Manhattan Cabin has general-pur pose template covers almost odds ends left over special templates Charlie has measured off labeled places check wingspan stab span prop diameter box size Boston ian Manhattan etc Processing models works way first know rules apply uniformly fairly CD meet need check models flown tem plates like Charlie Sotich uses con testant required check own model CD watches cant get model fit inside template sure cant blame CD Also CD no longer has worry about possibility breaking model contestant does own check ing salute have often mentioned Doe Mar tins MIAMI club has nearly yearround Indoor activity Well Bedford TX thanks Jesse Shepherd prime mover Walt Kulzer contact man Ed Turner find regularly-scheduled sanctioned Indoor contests gymnasium Bedford Boys Ranch group activity spans kinds Indoor activity heavy em phasis Indoor Scale However special events held younger inex perienced fliers contest includes Easy B/Pennyplane HLG plus oppor tunity record attempts classes Scale fliers come far Houston Stan Chilton Wichita KS has set number records adding list Continued page 168 NOW THERES QUICK AND EASY WAY OF CLEANING YOUR MODEL CRAFTS Super-K Model Cleaner Remoies fuel Residue dirt contact CUTS ClEANING liME IN NAIl Just spray model solvent wipe soft cloth paper SIMPIE AS THAT Lewes craft showcase clean Wont hami PaInts Odes Clew last Ulminates Wado cleaning yaw model Sirong Professional Quality formula Great Model Craft Boats Piones Helicopters Cleans Gentty Protects delicate model DEALERS WANTED DOMESTIC & OVERSEAS WE EXPORT Hurry Have product shelves time Chnstmas guaranteed top seller Sugg retail $550 per gallon Contact us prIce structures orderIng InformatIon Also ask about other Super-K products Model Industry Are Manufacturers & Major Brands Distributors Model Engines Kits Radios & Accessories Super-K brand Kings Radio Control Hobbies International 3960 West 16th Ave Hialeah Florida 33012 Phone 305 557 2024 July 1984 165 ATTENTION- MODEL CLUBS HERES WAY TO DOUBLE YOUR MONEYAT NO RISK EASY end go CANT LOSE SELL OUR LINE OF MODEL AIRCRAFT BUTTONSyou CATG0 AT YOUR NEXT WRONG WITH CONTEST OR AIRSHOW AWE Appeals last ehoat EVERYBODY WE BUY BACK WHAT YOU DONT SELL Send SASE details iIM lESSERS QUALITY MODEL PRODUCTS 106 VALLEY VIEW DRIVE ALLEGANY NEW YORK 14706
Edition: Model Aviation - 1984/07
Page Numbers: 66, 67, 68, 164, 165
THE PAT-i IS THE PROTOTYPE all-composite plastic canard lightplane designed start com mercially produced Im sure wheth er first lightplane designed understand first canard Aircraft manufacturers both sides Atlantic have trying since mid-1950s produce powered com posite aircraft commercially See Peter Garrisons article April 1982 issue Flying magazine regarding techniques earlier attempts Although canard PAT-i looks much same other four-place low-wing single-engine fixed-gear plane wing just aft usually fuselage about same size vertical fin/rudder What sets apart moving stabilizing sur face tail front thats what makes canard attaching main landing gear fuselage like Cessna Peter Lert test pilot development project has pilot report November 1981 Air Pro gress magazine accompanied several outstanding photographs Budd Davisson PAT-l held promise easy handling plane capable carrying large payload 1000 lbs future now doubt because death companys president Howard Piper shortly before maiden flight June 1981and deaths planes de signer George Meade two NASA prototype Piper Advanced Technology plane PAT-i held much promise ing commercial success crash single plane built has cast shadow designs future Theres no shadow Peanut Scale ver sion Its delight employees crash prototype demonstration flight November 1981 Construction Though really diffi cult buildthis model offers challenges want something out ordinary want As fixed-gear ship no alternative doing part thrill Scale modeling Loosening grasp terra firma takeoff capping successful flight real landing what could better Fuselage Build usual slab sides leave out wing mounting plates now Make canard mounting plates about 1/16 deeper shown plan Bevel inside tail posts sides will meet angle Glue two sides together dry add crosspieces working ward sure use model cement top crosspieces will re moving later substituting laminated bow formers place bow formers made lami nating two strips basswood after soaking hot water Unless want use water-soluble glue let laminations dry overnight recom mend pinning unlaminated strips above other around 1/8-inthick form both strips touching form dry blow dryer dry quickly will hold shape can use what ever kind adhesive between wish saves lot time Note radii forms shown finished size model location have cut forms D G little shallower allow former top stringers Make two formers need wider bearing nose plug fills entire front end Trim formers form bottom notch Formers D G halfway through outside 1/16 bot tom notch helps hold po 66 Model Aviation planes overall appearance similar usual lowwinger except shifting stabilizing surface rear front sition between longerons Formers C go top longerons Use thinner loosen top crosspieces substitute formers time Twist legs Former G entire width touches longerons otherwise will never stay position Use Scotch tape hold formers adhesive dries area ahead windshield covered 1/64 sheet approx used sanded 1/32 sheet Scotch tape will required hold covering glue dries compound curve Two fillets C give curve front cabin Add wing mounting plates cabin stringers brace between wing mounting plates also pair 1/16 x 1/8 braces top bottom crosspieces leading trailing edges canard support front landing gear mount two braces clearly indi cated plan Nose block Cut pieces 1/8 sheet balsa such way may glued cross-grain Cut rearmost piece first make succeed ing piece little smaller easier shap ing glue round spinner base yet Trim rough shape cut away lower half depth air scoop box save Build air scoop box 1/16 scrap cut ends piece saved glue onto ends air scoop box Fill between spinner base air scoop box scrap shape smooth fillet Angle front nose block per side view Sand final shape hollow out nose block add 1/16 back plate Give two coats Aerogloss sanding sealer two coats Aerogloss Swift white enameL used small Peck-Polymers nylon thrust bearing drilled 1/8-in hole starting small drill bit grad ually working larger accommodate spinner turned piece hard 5/8 balsa shaping emery board fine sandpaper Hollow out fit 4-in Kaysun plastic prop cuts come out right first time fill soft balsa recut Assemble parts 1/32-in prop hook bend over very short section end remember has fit inside spinner Glue spinner paint prop silver Wing canard Sand trailing edge stock triangle shape both wing canard wing uses split-rib construction except solid root rib Pin down leading trailing edges glue rib bottoms 1/32 sheet tip block main spar Cut rib tops long allow airfoil curve Put curve fingers back past main spar pre vent cracking give smooth airfoil Trim ribs length glue place Sllde secondary spar touches tip block rib tops glue Conform root rib wing mounting plates fuselage raise wing tip 3/4 glue root rib vertical building board builds dihedral less Now make stick gussets glue corners wing Sand tip block shape round leading edge canard uses standard construc tion except laminated leading edge tip elevated 3/8 install root rib Sand tip block shape round leading edge Fin rudder Initially used 1/16 sq balsa later built another using 1/20 sq also left out diagonal crosspieces later version Both changes weight reasons Sand ing little two adjacent sides 1/16 balsa brings pretty close 1/20 Note balsa stick forming base fin should continue through rudder piece does show plan because jumble lines would have resulted have remember add piece Before covering round outside edges except fuselage contacted Continued July 1984 67 lines plane really quite sleek note detail wheel fairings Left The PAT-i Peanut makes overhead flyby Adjustment very shallow turn definitely isnt pylon racer Right As power rubber motor begins diminish model starts shallow descent finish successful flight Rise-offground takeoffs fun Full-Size Plan Pages 89 92 Landing gear See plan wheel fairings pants parts cut outs made 1/8 sheet main gear 1/16 sheet front gear fairings have 1/32-in outside covers round bottom edges fairings Bend front gear wire conform inside front fairing Make 1/16-in hole top fairing insert wire bot tom out hole slide 1/16-in aluminum tube sleeve down over wire hole Epoxy wire inside fairing also put epoxy around hole outside Put aside dry Bend main gear wire per front view plan also cut bend short spur Attach spur rear main wire fine wire lightly solder field coil electric clock will yield lifetime supply fine copper wirebetter get dis carded clock though Make gear mount 1 / 16 scrap attach gear wire white thread main wheels hollow 1/8-in doughnuts covered 1/32 sheet rounds glued cross grain front wheel has two rounds 1/16 sheet glued cross grain Sand sides front wheel slightly will turn inside fairing Install 1/16-in aluminum tube bushings wheels round edges color black felt tip pen Going back front gear bend sleeve wire inside around cy lindrical object held vise takes lot pressure make bend use vise hold safetys sake Care fully cut away excess sleeve ma terial being careful score wire inside Bend exposed wire shape cut off excess Assemble front wheel its fair ing secure axle tiny retain ers clear acetate Make front gear mount two pieces 1/16 sheet scrap sandwich front gear position between two pieces epoxy Wrap mount white thread put epoxy thread wrapsalso ends axle Assemble main wheels fairings main gear wire anl secure acetate retainers outside Epoxy faiings spurs put epoxy thread wraps drop end axle Windshield molded over form shaped block hardwood balsa 2 x 1-7/8 x 1 dowel glued bottom push stick Use thin wood strips secure piece clear acetate 6-in square piece fiberboard plywood cut out 1/8 larger bottom form has made Heat acetate electric source stove heaternever over open flame until floppy Test eraser end pencil heated sufficiently shove form up bottom through hole far enough acetate cover sides form After cooling remove acetate fiberboard trim fit Covering First remove excess glue blobs modeling knife razor blade sand parts Next locate wing canard incidence lines side wing set -2 degrees Using millimeter mm ruler measure top top longeron center bottom longeron F Now measure down additional 2mm leading edge wing connect two points pencil line canard has 2 degree incidence Measure down 10mm top covering meets side trailing edge canard 8mm leading edge Again draw pencil line side Give framework tissue will attached two coats full strength clear dope Ali flying surfaces wing canard fin rudder covered usual fashion tissue dampened water alcohol 50/50 shrink pinned down flat sur face drying contrasting color stripes door control surface out lines cut dark blue black tissue respectively using metal straightedge new razor blade Brush line clear dope trim go dry position trim brush thinner secure After stripes etc have applied flying surfaces brush spray coat thinned clear dope 50/50 over surfaces fuselage covered several sections cabin divided left right halves half four sections window sections com pletely before proceeding rest cabin First make bond paper tem plates window sections side just reverse other side complete window outlines Cut out tissue sections draw window outlines pencil apply tissue After firmly attached shrink tissue dry apply two coats clear thinned dope allowing drying time between coats going cut out clear acetate windows per tem plates make windows about 1/16 larger have gluing area Cut out window holes apply bead Continued page 164 68 Model Aviation uncovered model shows off delicate yet strong construction used origi nal wing shown solid ribs lighter version per plan flies longer authors setup making acetate canopy together finished canopy left form text has details RED MAX FUEL Best Fuel Beginners Experts Castor Oil Furnished Requestl %CueSpecial FrI Coil 4Gol Cute 24 Gal126 Gal14601 Drum Mitre GalGal JeulPer Got 5 Gel ConPer GotPer Gal Powerlint Pd24 Jugs MorePer Gol-Irt PdFri PdFrkPd Irt Coil 0%1050 36 13500 5%1150 5 85 21900 10%1400 779 29900 12%1500 t867 34000 15%1600 195870 35000 25%2000 . 12001100 49700 40%2500 5 18001600 69600 60%300019955O2300210092300 NW ECONOMY FUEL Very GooSport Fuel ed Pipe Engines 5%1000 - L7565060055019500 10%1100s5575067565028000 15%13A--79592585081033000 NEW 4-CYCLE FUEL 05. Saito Enya Etc Better Idle Top End Regular Glow Fuel 10%140069591082577931000 15%1600775101089590036000 NEW CLEAN BURNING DIESELFUEL Finally Diesel Doesnt Smell Like Kerosene Emit Black Residue 1600800101092590042500 CUSTOM BLENDED FUEL Available Any Type Use Call Price AFTER-RUN OILNot Necessary Use Red Max Fuel 2 oz Bottle $200 Some After-Run Oils Form Gum & Varnish Heres Wont ORDERING INFORMATION FREE DELIVERY 14524 126 gallon deals USA 30 & 54 gallon drums shipped freight collect FOB Clover SC Nitro content fuels can mixed ob tain quantity price SC orders add 4% sales tax Use charge card order CODs limited UPS shipment Deduct 3% prepayment Money Order Cer tified Check ordering 24 gallons please supply daytime phone num ber 24 gallons up shipped motor freight less 24 gallons shipped UPS Prices ice Specializing Quadra/Zenoah Sales Service PO Box 6226 Hayward CA 94544 Tel 415 581-4277 Eves H & K Superstarters Q-35$2995 Q-50$2995 MAG II$3495 Super Hustler$3495 Zenoah$2995 Tartan Twin$3995 NEW Tartan Twin Muffler Set Allows adjustment carb running $3995 400 RPM increase over stock DEALER INQUIRIES INVITED ALL ORDERS ADD $150 POSTAGE & HANDLING CALIF RES ADD SALES TAX RC Electrics/Kopski Continued paqe 161 face off ends motor block rubbing full-size sheet sandpaper rotating grip frequently no single orientation favored faces flat Mark off dimensions notations needed assure alignment interfaced fuselage block pictured has some Vt-in sq balsa assembly guide strips glued place cyanoacrylateCyA glue position fuselage sides during attachment strips excess block balsa will simply carved away sanded shape very front motor mount can shaped right down ply liner producing very attractive Electric motor mount Actual motor attachment done small screws fit through small nylon angles front end-bell motor angles glued inside plywood motor tube Use some /4-in -wide plastic auto trim tape wrapped around motor housing shim motor slightly snug sliding fit hole details sketched January 1984 MA article will illustrated greater detail Spectra construction article enjoying good Electric flying can now easily enjoy good-looking Electric fly ing Happy landings Bob Kopski 25 West End Dr Lansdale PA 19446 PAT-i IWomack Continued paqe 68 model cement inside hole Position window inside cabin attach using thinner Hold position until softened cement begins set Attach other three windows like manner rear portion cabin done four pieces tissue sides covered piece side Finally cover area ahead windshield last section should done wet lay tissue position dampen water smooth out wrinkles apply thinner stick down black glare shield beneath windshield done taping wind shield position rear sliding piece black tissue under mark ing outline windshield Cut out outline remove windshield apply tissue dry cut out curved front cabin fuselage bottom covered until parts except landing gear fairings have assembled Dont forget color stripes fuselage sidesand windshield Assembly Remove tissue wing canard attachment areas using 164 Model Aviation THIS YEARs HATS WINNERS PROVE RED MAX BEST First Place 4 out S Catagoriesi MieCed istri verulJoff Hums iuiPI 2idyr inrowRichlrwme lstPlJoe Wagner lstPt 100% Guarantee Will Find Red Max Better Any Other Fuel Market PK PRODUCTS thinner loosen Attach wing canard panels time use model cement panels can easi ly repositioned necessary Hold approximate dihedral angle until ce ment starts set put assem bly building board ap propriate fuselage section flat board block up wing can ard proper dihedral angles advisable weight fuselage insideor use some other method hold down board proper position attachments thoroughly dry glue fin/rudder landing gear assemblies fuselage bottom covered sections tissue shrunk doped Make landing gear fairings bond paper install gluing inside seam bottom Leave top free gear can flex tearing covering Flying power use 11 -in loop 1/8-in rubber Install lubed motor balance model point shown model required no addition al weight Test gliding will show wheth er wing canard have proper angles incidence Use negative incidence wing correct dive less positive incidence canard correct up-swoop Put about 500 turns motor let model rise off ground its wheels should take off make few circles left come landing model refuses take off reduce amount downthrust okay add winds will probably need about 3/32-in washin left wing tip isnt pylon racer want turns fairly flat get flights about 23 seconds out doors hand launchwithout thermal assistance model weighs 15 grams motor can build lighter should much bet ter hope enjoy building model know will enjoy sight unique design flightas well takeoffs landings Happy fly ing Acknowledgement Thanks brother Elmer Womack inking drawing FF Indoor/Tenny Continued page 69 using same scale will use plot ting test data Pounds Force scale will 75-in d Stretch scale will 1 tretch draw cut out rectangle 3 x 4 represent 4 pounds force x 40-in stretch rectangle represents 40 x 4 160 inch-pounds Di vide 160/12 get 1333 foot-pounds typical weight rectangle 0233 oz proportional 1333 foot-pounds 2 Plot energy release test another piece same graph paper cut out graph along curve coordinate axes Weigh graph com pute energy release way weight energy graph oz xl 333 weight test rectangle azXftlb Xft.lbxl6oz weight energy graph oz x 1 lh ft.Ib/Ib Dick also cautions stretch-testing rubber fails show up undesirable characteristic some rubbergrapevining may have seen some rubber felt tested good wind start come little pigtails pop out side over motor Rubber characteristic usually cannot used unless both skilled lucky getting grapevining under control Instant CD Charlie Sotich Chicago Aeronuts prepared CD contest drop hat youve face problems Indoor CD things weigh measure etc processing various Indoor model classes Charlie al ways has some sort scales him really handy thing brings meet set processing templates photos shows general idea Besides special setup Bostonian Pennyplane Manhattan Cabin has general-pur pose template covers almost odds ends left over special templates Charlie has measured off labeled places check wingspan stab span prop diameter box size Boston ian Manhattan etc Processing models works way first know rules apply uniformly fairly CD meet need check models flown tem plates like Charlie Sotich uses con testant required check own model CD watches cant get model fit inside template sure cant blame CD Also CD no longer has worry about possibility breaking model contestant does own check ing salute have often mentioned Doe Mar tins MIAMI club has nearly yearround Indoor activity Well Bedford TX thanks Jesse Shepherd prime mover Walt Kulzer contact man Ed Turner find regularly-scheduled sanctioned Indoor contests gymnasium Bedford Boys Ranch group activity spans kinds Indoor activity heavy em phasis Indoor Scale However special events held younger inex perienced fliers contest includes Easy B/Pennyplane HLG plus oppor tunity record attempts classes Scale fliers come far Houston Stan Chilton Wichita KS has set number records adding list Continued page 168 NOW THERES QUICK AND EASY WAY OF CLEANING YOUR MODEL CRAFTS Super-K Model Cleaner Remoies fuel Residue dirt contact CUTS ClEANING liME IN NAIl Just spray model solvent wipe soft cloth paper SIMPIE AS THAT Lewes craft showcase clean Wont hami PaInts Odes Clew last Ulminates Wado cleaning yaw model Sirong Professional Quality formula Great Model Craft Boats Piones Helicopters Cleans Gentty Protects delicate model DEALERS WANTED DOMESTIC & OVERSEAS WE EXPORT Hurry Have product shelves time Chnstmas guaranteed top seller Sugg retail $550 per gallon Contact us prIce structures orderIng InformatIon Also ask about other Super-K products Model Industry Are Manufacturers & Major Brands Distributors Model Engines Kits Radios & Accessories Super-K brand Kings Radio Control Hobbies International 3960 West 16th Ave Hialeah Florida 33012 Phone 305 557 2024 July 1984 165 ATTENTION- MODEL CLUBS HERES WAY TO DOUBLE YOUR MONEYAT NO RISK EASY end go CANT LOSE SELL OUR LINE OF MODEL AIRCRAFT BUTTONSyou CATG0 AT YOUR NEXT WRONG WITH CONTEST OR AIRSHOW AWE Appeals last ehoat EVERYBODY WE BUY BACK WHAT YOU DONT SELL Send SASE details iIM lESSERS QUALITY MODEL PRODUCTS 106 VALLEY VIEW DRIVE ALLEGANY NEW YORK 14706
Edition: Model Aviation - 1984/07
Page Numbers: 66, 67, 68, 164, 165
THE PAT-i IS THE PROTOTYPE all-composite plastic canard lightplane designed start com mercially produced Im sure wheth er first lightplane designed understand first canard Aircraft manufacturers both sides Atlantic have trying since mid-1950s produce powered com posite aircraft commercially See Peter Garrisons article April 1982 issue Flying magazine regarding techniques earlier attempts Although canard PAT-i looks much same other four-place low-wing single-engine fixed-gear plane wing just aft usually fuselage about same size vertical fin/rudder What sets apart moving stabilizing sur face tail front thats what makes canard attaching main landing gear fuselage like Cessna Peter Lert test pilot development project has pilot report November 1981 Air Pro gress magazine accompanied several outstanding photographs Budd Davisson PAT-l held promise easy handling plane capable carrying large payload 1000 lbs future now doubt because death companys president Howard Piper shortly before maiden flight June 1981and deaths planes de signer George Meade two NASA prototype Piper Advanced Technology plane PAT-i held much promise ing commercial success crash single plane built has cast shadow designs future Theres no shadow Peanut Scale ver sion Its delight employees crash prototype demonstration flight November 1981 Construction Though really diffi cult buildthis model offers challenges want something out ordinary want As fixed-gear ship no alternative doing part thrill Scale modeling Loosening grasp terra firma takeoff capping successful flight real landing what could better Fuselage Build usual slab sides leave out wing mounting plates now Make canard mounting plates about 1/16 deeper shown plan Bevel inside tail posts sides will meet angle Glue two sides together dry add crosspieces working ward sure use model cement top crosspieces will re moving later substituting laminated bow formers place bow formers made lami nating two strips basswood after soaking hot water Unless want use water-soluble glue let laminations dry overnight recom mend pinning unlaminated strips above other around 1/8-inthick form both strips touching form dry blow dryer dry quickly will hold shape can use what ever kind adhesive between wish saves lot time Note radii forms shown finished size model location have cut forms D G little shallower allow former top stringers Make two formers need wider bearing nose plug fills entire front end Trim formers form bottom notch Formers D G halfway through outside 1/16 bot tom notch helps hold po 66 Model Aviation planes overall appearance similar usual lowwinger except shifting stabilizing surface rear front sition between longerons Formers C go top longerons Use thinner loosen top crosspieces substitute formers time Twist legs Former G entire width touches longerons otherwise will never stay position Use Scotch tape hold formers adhesive dries area ahead windshield covered 1/64 sheet approx used sanded 1/32 sheet Scotch tape will required hold covering glue dries compound curve Two fillets C give curve front cabin Add wing mounting plates cabin stringers brace between wing mounting plates also pair 1/16 x 1/8 braces top bottom crosspieces leading trailing edges canard support front landing gear mount two braces clearly indi cated plan Nose block Cut pieces 1/8 sheet balsa such way may glued cross-grain Cut rearmost piece first make succeed ing piece little smaller easier shap ing glue round spinner base yet Trim rough shape cut away lower half depth air scoop box save Build air scoop box 1/16 scrap cut ends piece saved glue onto ends air scoop box Fill between spinner base air scoop box scrap shape smooth fillet Angle front nose block per side view Sand final shape hollow out nose block add 1/16 back plate Give two coats Aerogloss sanding sealer two coats Aerogloss Swift white enameL used small Peck-Polymers nylon thrust bearing drilled 1/8-in hole starting small drill bit grad ually working larger accommodate spinner turned piece hard 5/8 balsa shaping emery board fine sandpaper Hollow out fit 4-in Kaysun plastic prop cuts come out right first time fill soft balsa recut Assemble parts 1/32-in prop hook bend over very short section end remember has fit inside spinner Glue spinner paint prop silver Wing canard Sand trailing edge stock triangle shape both wing canard wing uses split-rib construction except solid root rib Pin down leading trailing edges glue rib bottoms 1/32 sheet tip block main spar Cut rib tops long allow airfoil curve Put curve fingers back past main spar pre vent cracking give smooth airfoil Trim ribs length glue place Sllde secondary spar touches tip block rib tops glue Conform root rib wing mounting plates fuselage raise wing tip 3/4 glue root rib vertical building board builds dihedral less Now make stick gussets glue corners wing Sand tip block shape round leading edge canard uses standard construc tion except laminated leading edge tip elevated 3/8 install root rib Sand tip block shape round leading edge Fin rudder Initially used 1/16 sq balsa later built another using 1/20 sq also left out diagonal crosspieces later version Both changes weight reasons Sand ing little two adjacent sides 1/16 balsa brings pretty close 1/20 Note balsa stick forming base fin should continue through rudder piece does show plan because jumble lines would have resulted have remember add piece Before covering round outside edges except fuselage contacted Continued July 1984 67 lines plane really quite sleek note detail wheel fairings Left The PAT-i Peanut makes overhead flyby Adjustment very shallow turn definitely isnt pylon racer Right As power rubber motor begins diminish model starts shallow descent finish successful flight Rise-offground takeoffs fun Full-Size Plan Pages 89 92 Landing gear See plan wheel fairings pants parts cut outs made 1/8 sheet main gear 1/16 sheet front gear fairings have 1/32-in outside covers round bottom edges fairings Bend front gear wire conform inside front fairing Make 1/16-in hole top fairing insert wire bot tom out hole slide 1/16-in aluminum tube sleeve down over wire hole Epoxy wire inside fairing also put epoxy around hole outside Put aside dry Bend main gear wire per front view plan also cut bend short spur Attach spur rear main wire fine wire lightly solder field coil electric clock will yield lifetime supply fine copper wirebetter get dis carded clock though Make gear mount 1 / 16 scrap attach gear wire white thread main wheels hollow 1/8-in doughnuts covered 1/32 sheet rounds glued cross grain front wheel has two rounds 1/16 sheet glued cross grain Sand sides front wheel slightly will turn inside fairing Install 1/16-in aluminum tube bushings wheels round edges color black felt tip pen Going back front gear bend sleeve wire inside around cy lindrical object held vise takes lot pressure make bend use vise hold safetys sake Care fully cut away excess sleeve ma terial being careful score wire inside Bend exposed wire shape cut off excess Assemble front wheel its fair ing secure axle tiny retain ers clear acetate Make front gear mount two pieces 1/16 sheet scrap sandwich front gear position between two pieces epoxy Wrap mount white thread put epoxy thread wrapsalso ends axle Assemble main wheels fairings main gear wire anl secure acetate retainers outside Epoxy faiings spurs put epoxy thread wraps drop end axle Windshield molded over form shaped block hardwood balsa 2 x 1-7/8 x 1 dowel glued bottom push stick Use thin wood strips secure piece clear acetate 6-in square piece fiberboard plywood cut out 1/8 larger bottom form has made Heat acetate electric source stove heaternever over open flame until floppy Test eraser end pencil heated sufficiently shove form up bottom through hole far enough acetate cover sides form After cooling remove acetate fiberboard trim fit Covering First remove excess glue blobs modeling knife razor blade sand parts Next locate wing canard incidence lines side wing set -2 degrees Using millimeter mm ruler measure top top longeron center bottom longeron F Now measure down additional 2mm leading edge wing connect two points pencil line canard has 2 degree incidence Measure down 10mm top covering meets side trailing edge canard 8mm leading edge Again draw pencil line side Give framework tissue will attached two coats full strength clear dope Ali flying surfaces wing canard fin rudder covered usual fashion tissue dampened water alcohol 50/50 shrink pinned down flat sur face drying contrasting color stripes door control surface out lines cut dark blue black tissue respectively using metal straightedge new razor blade Brush line clear dope trim go dry position trim brush thinner secure After stripes etc have applied flying surfaces brush spray coat thinned clear dope 50/50 over surfaces fuselage covered several sections cabin divided left right halves half four sections window sections com pletely before proceeding rest cabin First make bond paper tem plates window sections side just reverse other side complete window outlines Cut out tissue sections draw window outlines pencil apply tissue After firmly attached shrink tissue dry apply two coats clear thinned dope allowing drying time between coats going cut out clear acetate windows per tem plates make windows about 1/16 larger have gluing area Cut out window holes apply bead Continued page 164 68 Model Aviation uncovered model shows off delicate yet strong construction used origi nal wing shown solid ribs lighter version per plan flies longer authors setup making acetate canopy together finished canopy left form text has details RED MAX FUEL Best Fuel Beginners Experts Castor Oil Furnished Requestl %CueSpecial FrI Coil 4Gol Cute 24 Gal126 Gal14601 Drum Mitre GalGal JeulPer Got 5 Gel ConPer GotPer Gal Powerlint Pd24 Jugs MorePer Gol-Irt PdFri PdFrkPd Irt Coil 0%1050 36 13500 5%1150 5 85 21900 10%1400 779 29900 12%1500 t867 34000 15%1600 195870 35000 25%2000 . 12001100 49700 40%2500 5 18001600 69600 60%300019955O2300210092300 NW ECONOMY FUEL Very GooSport Fuel ed Pipe Engines 5%1000 - L7565060055019500 10%1100s5575067565028000 15%13A--79592585081033000 NEW 4-CYCLE FUEL 05. Saito Enya Etc Better Idle Top End Regular Glow Fuel 10%140069591082577931000 15%1600775101089590036000 NEW CLEAN BURNING DIESELFUEL Finally Diesel Doesnt Smell Like Kerosene Emit Black Residue 1600800101092590042500 CUSTOM BLENDED FUEL Available Any Type Use Call Price AFTER-RUN OILNot Necessary Use Red Max Fuel 2 oz Bottle $200 Some After-Run Oils Form Gum & Varnish Heres Wont ORDERING INFORMATION FREE DELIVERY 14524 126 gallon deals USA 30 & 54 gallon drums shipped freight collect FOB Clover SC Nitro content fuels can mixed ob tain quantity price SC orders add 4% sales tax Use charge card order CODs limited UPS shipment Deduct 3% prepayment Money Order Cer tified Check ordering 24 gallons please supply daytime phone num ber 24 gallons up shipped motor freight less 24 gallons shipped UPS Prices ice Specializing Quadra/Zenoah Sales Service PO Box 6226 Hayward CA 94544 Tel 415 581-4277 Eves H & K Superstarters Q-35$2995 Q-50$2995 MAG II$3495 Super Hustler$3495 Zenoah$2995 Tartan Twin$3995 NEW Tartan Twin Muffler Set Allows adjustment carb running $3995 400 RPM increase over stock DEALER INQUIRIES INVITED ALL ORDERS ADD $150 POSTAGE & HANDLING CALIF RES ADD SALES TAX RC Electrics/Kopski Continued paqe 161 face off ends motor block rubbing full-size sheet sandpaper rotating grip frequently no single orientation favored faces flat Mark off dimensions notations needed assure alignment interfaced fuselage block pictured has some Vt-in sq balsa assembly guide strips glued place cyanoacrylateCyA glue position fuselage sides during attachment strips excess block balsa will simply carved away sanded shape very front motor mount can shaped right down ply liner producing very attractive Electric motor mount Actual motor attachment done small screws fit through small nylon angles front end-bell motor angles glued inside plywood motor tube Use some /4-in -wide plastic auto trim tape wrapped around motor housing shim motor slightly snug sliding fit hole details sketched January 1984 MA article will illustrated greater detail Spectra construction article enjoying good Electric flying can now easily enjoy good-looking Electric fly ing Happy landings Bob Kopski 25 West End Dr Lansdale PA 19446 PAT-i IWomack Continued paqe 68 model cement inside hole Position window inside cabin attach using thinner Hold position until softened cement begins set Attach other three windows like manner rear portion cabin done four pieces tissue sides covered piece side Finally cover area ahead windshield last section should done wet lay tissue position dampen water smooth out wrinkles apply thinner stick down black glare shield beneath windshield done taping wind shield position rear sliding piece black tissue under mark ing outline windshield Cut out outline remove windshield apply tissue dry cut out curved front cabin fuselage bottom covered until parts except landing gear fairings have assembled Dont forget color stripes fuselage sidesand windshield Assembly Remove tissue wing canard attachment areas using 164 Model Aviation THIS YEARs HATS WINNERS PROVE RED MAX BEST First Place 4 out S Catagoriesi MieCed istri verulJoff Hums iuiPI 2idyr inrowRichlrwme lstPlJoe Wagner lstPt 100% Guarantee Will Find Red Max Better Any Other Fuel Market PK PRODUCTS thinner loosen Attach wing canard panels time use model cement panels can easi ly repositioned necessary Hold approximate dihedral angle until ce ment starts set put assem bly building board ap propriate fuselage section flat board block up wing can ard proper dihedral angles advisable weight fuselage insideor use some other method hold down board proper position attachments thoroughly dry glue fin/rudder landing gear assemblies fuselage bottom covered sections tissue shrunk doped Make landing gear fairings bond paper install gluing inside seam bottom Leave top free gear can flex tearing covering Flying power use 11 -in loop 1/8-in rubber Install lubed motor balance model point shown model required no addition al weight Test gliding will show wheth er wing canard have proper angles incidence Use negative incidence wing correct dive less positive incidence canard correct up-swoop Put about 500 turns motor let model rise off ground its wheels should take off make few circles left come landing model refuses take off reduce amount downthrust okay add winds will probably need about 3/32-in washin left wing tip isnt pylon racer want turns fairly flat get flights about 23 seconds out doors hand launchwithout thermal assistance model weighs 15 grams motor can build lighter should much bet ter hope enjoy building model know will enjoy sight unique design flightas well takeoffs landings Happy fly ing Acknowledgement Thanks brother Elmer Womack inking drawing FF Indoor/Tenny Continued page 69 using same scale will use plot ting test data Pounds Force scale will 75-in d Stretch scale will 1 tretch draw cut out rectangle 3 x 4 represent 4 pounds force x 40-in stretch rectangle represents 40 x 4 160 inch-pounds Di vide 160/12 get 1333 foot-pounds typical weight rectangle 0233 oz proportional 1333 foot-pounds 2 Plot energy release test another piece same graph paper cut out graph along curve coordinate axes Weigh graph com pute energy release way weight energy graph oz xl 333 weight test rectangle azXftlb Xft.lbxl6oz weight energy graph oz x 1 lh ft.Ib/Ib Dick also cautions stretch-testing rubber fails show up undesirable characteristic some rubbergrapevining may have seen some rubber felt tested good wind start come little pigtails pop out side over motor Rubber characteristic usually cannot used unless both skilled lucky getting grapevining under control Instant CD Charlie Sotich Chicago Aeronuts prepared CD contest drop hat youve face problems Indoor CD things weigh measure etc processing various Indoor model classes Charlie al ways has some sort scales him really handy thing brings meet set processing templates photos shows general idea Besides special setup Bostonian Pennyplane Manhattan Cabin has general-pur pose template covers almost odds ends left over special templates Charlie has measured off labeled places check wingspan stab span prop diameter box size Boston ian Manhattan etc Processing models works way first know rules apply uniformly fairly CD meet need check models flown tem plates like Charlie Sotich uses con testant required check own model CD watches cant get model fit inside template sure cant blame CD Also CD no longer has worry about possibility breaking model contestant does own check ing salute have often mentioned Doe Mar tins MIAMI club has nearly yearround Indoor activity Well Bedford TX thanks Jesse Shepherd prime mover Walt Kulzer contact man Ed Turner find regularly-scheduled sanctioned Indoor contests gymnasium Bedford Boys Ranch group activity spans kinds Indoor activity heavy em phasis Indoor Scale However special events held younger inex perienced fliers contest includes Easy B/Pennyplane HLG plus oppor tunity record attempts classes Scale fliers come far Houston Stan Chilton Wichita KS has set number records adding list Continued page 168 NOW THERES QUICK AND EASY WAY OF CLEANING YOUR MODEL CRAFTS Super-K Model Cleaner Remoies fuel Residue dirt contact CUTS ClEANING liME IN NAIl Just spray model solvent wipe soft cloth paper SIMPIE AS THAT Lewes craft showcase clean Wont hami PaInts Odes Clew last Ulminates Wado cleaning yaw model Sirong Professional Quality formula Great Model Craft Boats Piones Helicopters Cleans Gentty Protects delicate model DEALERS WANTED DOMESTIC & OVERSEAS WE EXPORT Hurry Have product shelves time Chnstmas guaranteed top seller Sugg retail $550 per gallon Contact us prIce structures orderIng InformatIon Also ask about other Super-K products Model Industry Are Manufacturers & Major Brands Distributors Model Engines Kits Radios & Accessories Super-K brand Kings Radio Control Hobbies International 3960 West 16th Ave Hialeah Florida 33012 Phone 305 557 2024 July 1984 165 ATTENTION- MODEL CLUBS HERES WAY TO DOUBLE YOUR MONEYAT NO RISK EASY end go CANT LOSE SELL OUR LINE OF MODEL AIRCRAFT BUTTONSyou CATG0 AT YOUR NEXT WRONG WITH CONTEST OR AIRSHOW AWE Appeals last ehoat EVERYBODY WE BUY BACK WHAT YOU DONT SELL Send SASE details iIM lESSERS QUALITY MODEL PRODUCTS 106 VALLEY VIEW DRIVE ALLEGANY NEW YORK 14706