FREE FLIGHT SCALE sport modelers stirred sight rubberpowered biplane air few indeed own experience can say biggest thrills modeling suc cessful launch flight biplane built own hands obeying conunands built After completing construction article based Sig Cabinaire kit see Bostonair Model Aviation June 1988 Larry Kruse suggested another project based Cabinaire Lany said great flying Cabinaire seemed just beg another set wings hadnt thought myself knew immediately right just weak moment Larry also agreed help give project name Since have always problem thinking names projects jumped chance think came up great name CaBlnair Now due apolo gies Paul Mdflrath designer fine Sig kit goes another Cabinaire variant Just Bostonair exact re duction Cabinaire true enlargement larger captures Cabinaire flavor really has lot dif ferences plane designed outdoor mod el select balsa materials accordingly Fu selage longerons wing leading edge etc should firm strong enough job properly Fuselage uprights crosspieces aft wing area excep tion rear motor peg should fairly light balsa landing gear wing mount areas need firm balsa nose also good place heavier balsamost models need added weight nose bal ance flying anyway fairly new type modeling will soon develop feel balsa strength grain type required part model very good study grain found balsa its uses cluded Sig catalog Fuselage Cover plans thin kitchen 70 Model Aviation Top it sure looks like could model airplane aviations Golden Age really variation Paul Mcllraths Cabinaire theme lower windshield line colored self-stick tape Above Doll up modell Detailing such exhaust pipes instrument panel fuselage stripes easy doesnt put very much weight adds lot class wrap Build two fuselage sides over top other next step pre pare single-edge razor blade Cut half use dissecting scissors creating two nar row blades Apply strip masking tape cut end protect fingers during use fuselage side frames dry separate carefully blades just made starting front working aft separate tail post Leave tail post glued help keep things lined up properly during next step Add crosspieces working forward Make sure sides exacfly vertical Also keep sides symmetrical follow ing top plan view Glue F-i add F-2 through F-5 Add stringers between F-i F-3 between F-i F-4 Also add stingers between F-5 landing gear area cross member cowl top bottom covered 1/32 sheet balsa Make paper pattern Check pattern exact fit before cut ting balsa Soak balsa water laced household ammonia until will bend required curvature ease use about 30% ammonia 70% water top bottom cowl wrappers place glue dry apply sand ing sealer same time also brush sealer underside / balsa keep warping sagging between formers after everything dries interest simplicity could omit fuselage stringers will add some strength structure lot character finished model Bend 031 music wire landing gear us ing pattern plan Sandwich wire between two L-ls clamp tight until glue dries Cut wheel pant pieces soft balsa laminate carve streamline shape Make wheels balsa using balsa circle cutter Laminate wheel wood cross grain February 1989 71 Weight materials used build model important Keep light best flying qualities especially aft wing authors model weighed just 1% oz rubber motor Scalelike qualities aBInair evident point view good propor tions Free Flight flying Registration numbers wing authors AMA numbers Graceful outlines please eye Sunburst pattern registration numbers cut tis sue laid piace Dope thinner applied adhesion doped surface beneath Model sent off good flight hand iaunch author stiff breeze Its good windy weather flier though adjusting best done littie no wind Full-Size Plans Available Page 194 LAMINATED WING ripsSTEA SQ DALSAm c NATELEADING EDGE UPPER WING RIB DINT BALSA CGEAJS WING RIMSI __1 LOWER WING BIBTINT NA ROP N RDFTDNI ~RDND DADEEUPPER WING PLAN GIGE WINDOW FRAMENTNORG MALNA7 WI m INALNA-NTTAT ICPA BALSA COWL ROTTOM TI ill I DIE GADGIAWTIN BALSA &GRABRIRBADIDDROLOO DIGEDRATTAILING EDGE IAN RALSA LORAIN WAS IIELAAIAGTICAS OP AID II I BASSWOOD STRON GOAILABLO I/IN NA FEAR RECERALTUERN RALSA CAT SLITS FOE CARE GOODEBALSA PIECES OP DIIANGBALSA ____ BALSA SENGRATECNTDB FIN FOE FLIGOT AOJUSTNEENTSFIT STOALIDER ___________ STABILIZER WING TEST-AIAVIG LAM SAGNAWOOD SEE FUSELAGE DETAIL NOTE CAT STOMILIDEE RON WIPE SEPT ITS DISEETALWINDSDEEEN ATNTTAT ATTACEALES STOOBDW RLACT SPEAK SPEAR TARSMR STARES ANTE ITIE DARE/ FUSELAGE MALSA WING STTCTS/ FRONT VIEW NW DISEER LEW BRLNA AT STRAT ATTALOLTR NA BALSA0 READ LI WGEKL FOOTS N LANGlAOl MW LANDING CABINAIR /4 LOWER WING PLAN NPAESTO ARE IANVBOTTOM BALSA TETILT SEALED BIBSALL TNSTIGRALSO PEON MOTORSANE NANT PEGBALSA NOSENTIS BALSA BLOCKPASTERN PTSO50 BOAT OBOESA BEGXTT EASE BOOSGOOD EGUNDFORWARDEALNA NIFl SORE 0/TO NALEN WA AR ITE NA BALSABALSAFILL WIPE BALSATA NA BALSA STRINGER LOCATIAN7 GLUED TARELEI -WING REST"N.ITIR BALSA EEDAGST FIRES BONDWING EPOJROT ~-FUSELAGE SIDE VIEWSABER FLY WITO B PEAE-PWAMEEANATE PROTOTYPE BAGEL WEbBED SO-DO ANARN REAGY PD FLT PLASTIC PROP WITS LAMAB HEEL PANPNO LAMINATIONSISALADEG TO SEAM ALAD IS BOO E FOE BALLECE PROP STOPOF EAN NAFT BALSA NOREPPOWER MODAL WRY SSBWOES OF TB PAl BARBER OS OR TEAT MODEL AVIATION SCALE LIKE SPONT F/F RUBBER POWERED MEL DESIGNED BY PERRY PETERSON IINKED JOE DEMARCO FUSELAGE TOP VIEW Cut groove back wheel pant short vertical portion land ing gear wire can recessed After wheels sanded sealed painted black trap wheel pants landing gear wire apply quick-set ep oxy sparingly place wire recessed wheel pant groove Attach ment way will prevent pants Afalling down Before used method always pain constantly have tilt pants back right posi tion Either front back would sag down after flight Brush three four coats sanding sealer wheel pants allow dry sand between coats before adding color Cover wheels masking tape painted wheel pants Pactra yellow enamel spray can paint sold plastic model supplies Spray couple easy light coats use just enough covers paint can add weight hurry landing gear assembly can now glued fuselage location shown plans Flying surfaces curved outlines made using four laminations 012 x /6 basswood strips available Peck-Poly mers Using plan trace inside curved outline sheet bond paper Make template transferring pattern piece poster board Coat edges template wax help prevent stick ing during laminating process use crayon select light color dark color transferred basswood wont look good Dip basswood strips water will bend easierno need soak Stack strips tape end template Slowly pull stack strips around form applying steady pressure go tape other end Apply thin cyano acrylate glue CyA both edges basswood allowing glue penetrate tween strips capillary action Round edges basswood sandpaper before removing form strips now ready pin place build flying surfaces over plans Cut wing ribs lightweight Cgrain /16 balsa sheet Pin A6 x %-in trail ing edge wing plan Pin ribs plan gluing trailing edge Line up wing spar notches tip ribs trim front back ribs needed Add hard balsa %2 leading edge A6 balsa spars Cut tip rib spar notches deeper needed before adding spars wing tips dry remove structure plan final-shape tip ribs well leading trailing edges Constructing tapering wing tips manner assures smooth wing tips Build top wings center section piece propping up wing tips amount dihedral marked plans tail surfaces built over plan us ing medium-weight 6-sq balsa stock curved outlines laminated basswood Continued page 173 Fuselage stringers strengthen structure add its pleasant shape Wheel pants should made lightest balsa can find Overall structure both light strong Curved wing tall outlines easy lamination method described text 72 Model Aviation COWL TOP THE TWELFTH ANNUAL IMODELSPORT&HOBBYSHOWI INDUSTRY MEMBERS ONLY FRIDAY JAN 131989 10am- 5pm GENERAL PUBLIC RDAY JANUARY 14 1989 10am -6 pm GENERAL PUBLIC AY JANUARY 15 1989 10 am 5 pm 11 SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS OF MODEL AIRCRAFT MODEL ENGINES GIANT RAFFLE L BOATS RADIO CONTROL SYSTEMS SHOP MODEL CARS LING ACCESSORIES * POND e AR TRACK wwu /* sw WEfT/ ADMISSION Adults $5 00 under 13 -$300 under 6 free adult STATIC DISPLAY COMPETITION IN MANY CATEGORIES see.cc ee INTERNATIONAL MODELER SHOW OFFICE P0 Box 10127 Costa Mesa CA 92627 Ph 714 5484700 yet also very functional Just three months after victory Cleveland Rudy Kling Frank Haines victims fatal crash Miami Air Races us stunned felt terrible sense loss Kling Haines onetwo start Miami race both stalled out first pylon turn Although have never seen mentioned other accounts Chicago Tribune reported gusty winds present racers tight pylon turn likely near stall speed wind shear several miles per hour could produce fatal stall Also excitement close race pilot could easily exceed safe flight limits Its possible too Jupiter very marginal stability SK-4 later design very similar Jupiter also crashed killing pilot Most articles mention Rudy relatively inexperienced rather low overall flight time Yet having flown Suzie several races Jupiter least several times unquestionably acquired considerable piloting skills Anyone could fly high-speed plane narrow-tread gear tiny wheels off dirt fields clearly has what takes Moreover experience no guarantee against disaster Veteran air racer Art Chester killed pylon turn much docile aircraft Jupiter shown itself Jupiter crashed red spinner popped off hardly damaged Fritz Kling kept garage years After war several us rode Harleys habit stopping garage gas up talk Fritz red spinner would remind us days used Rudy quite bit older although didnt really know him well plenty opportunity form some impressions rather short average build quiet neither stufI nor arrogant Rudy always friendly grin willingly cordially answered questions put him scrawny fannboy bib overalls CaBinair/Peterson Continued page 72 Covering Prepare covering brash ing clear dope anywhere plan glue tissue outside framework plan apply piece tissue Without dope application glue water solution used attach tissue will seep wood too fast causing warped fly ing surfaces requiring second applica tion during covering process Select good quality tissue covering used yellow Japanese tissue Oldtimer Models Make sure tissue grain spanwise flying surfaces lengthwise fuselage cant tell grain direction holding up light try small tear tissue will tear easily straight against grain Try avoid heavier domestic tissues have little no grain characteristics Such covering tissue may available colors heavier does manip ulate well Use soft water color brush paint solution 50% white glue 50% water outside framework area covered Lay tissue over framework gently pat down pull out wrinldes go dry carefully trim away excess tissue sharp razor blade cover lower wing mount area because glue used attach wing will bond well enough doped tis sue everything covered shrink tissue misting water satur ate want just little sag tis sue use plastic spay bottle adjusta ble spray nozzle sold garden supply coun ters Finishing Brush thinned coat nonshrink dope Sig Lite-Coat good buty rate dope Old-timer Models sells good non-shrink nitrate dope wing sun burst stripes cut red tissue laid place dope thinner brushed soften dope underneath create bond Numbers cut black tissue applied same way Continued page 174 172 Model Aviation EEEEEUEEEEE... MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENT VlILABtE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION2-STROKEFUEL FREIGHT FREE SHIPPINGON ORDERS OVER$1500 ECT PINT QUART GALLON 55 GAL DRUM 0% Nitromethane $315 $450 $1075 $19695 5% Nitromethane $365 $525 $1275 $26495 10% Nitromethane $415 $550 $1475 $32995 15% Nitromethane $430 $635 $1675 $38995 25% Nitromethane $515 $795 $2195 $52495 35% Nitromethane $595 $925 $2695 $66995 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane $1425 $29995 15% Nitromethane $1625 $36495 THE CHOICE OF CHAMPION f-tXERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subject charge vethe,t notice See dealer first available order direct Call 1ZJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 UK EU EU U EKE Trace windshield pattern bond pa per test fit have good fit transfer pattern acetate Attach windshield model applying RC/56 glue sparingly back lower side portions apply glue bottom front window comes up around cowl top Glue ap plied top cowl needed hold acetate will leave un sightly mess After glue lower sides back windshield dry glue top fuselage cross member wing front location used %2-wide red adhesive-backed RC decorating tape stripe windshield bottom side window frames cut bond paper Paint same color fuselage glue thin acetate sheet back side Glue window assembly place fuselage fuselage stripes A6-wide red adhesive-backed decorating tape sold RC model supplies department Fix strips hot air blow dryer Dec orating tape sold drafting supplies usu ally does stick well generally will withstand much handling side fuselage Final assembly Attach top wings place fuselage applying glue four corners center section Glue horizontal tail place making sure thing straight true Measure tips wings tips tail side sure squareness Also check sighting back plane front dry tarn plane upside down attach bottom wings card stock strut tabs fit slots wing strut mounts horizontal stab wings straight true glue vertical tail place apply glue rear rudder portion allow flight changes flying field Pretension braid motor Make up motor using four strands two loops A-in FM Rubber about 25 long use Sig rubber will need Y6-wide thick Lubricate rubber before inserting fuselage use Roger Tay lors lube available Peck-Polymers does contain castor oil can attack rubber after short period time Install motor plane hold end loops liffle finger Put other loop winder crank about 75 80 turns backwards Change loops wind same num ber turns backwards second loop sure crank backwards winds loop separately Now put both loops winder wind fly Hold model carefully let prop unwind Remove nose block inspect motor should ap pear braided bunched up tail nose plane motor too tight allow prop freewheel unwound remove motor start 174 Model Aviation EuuflEumuuuuuuumN Like Chicago Model Hobby Show 4Yo Planes Cars boats trains Cames ssones Radio Control/ed Static Plastic & Morel Open ta Trade Only March 2-3 Sponsored Radio Control Hobby Trade Association RCHTA Co-Sponsored Model Railroad Industry Association MRIA Lots Fun Lots Features Boat Pond Car Track Model Railroad Demonstrations OS ge CoNev%JSeer 8003235155 rid Canada IllllllJllJJJJJllJJlllJIJJJJllJlJlllllJJlJJllllJllllllIllluI[v32][b234914333013013190]] over using less backwards turns separately loop Hying Wind about 200 turns Lock prop pin rear nose block balance model point shown plans adding clay nose tail needed Select calm day test flying wind should two three miles per hour order properly trim glide portion flight Wind 200 turns motor launch model wind Observe glide Trim glide path adjusting tail surfaces Biplanes known graceful long flat glides descent should least flat CaBlnair has nicest glide biplane have ever seen fly satisfied glide launch 300 turns begin evaluating powered portion flight downthrust built model case power stall amount downthrust will need increased Trimming out new model should painless establish glide first moving tail surfaces establish powered flight thrust adjustments powered flight requires changes stabilizer rudder will need go back re-establish glide Increase power slow steps work powered flights increases should 100 additional turns compared last flight plane may ready higher power could spiral ground enough speed severely dam age plane Patience key word Never try adjustment time took lot time build model take little make fly well After proper flight trimming planes like seldom damaged flying CaBlnair great flier very sta ble glide very satisfying flat gentle descent adds nicely length flight prototypes original flight pattern left under power right glide changed right power pattern match glide two reasons right power pat tern will gain altitude power glide patterns same direc tion dont have walk far flights retrieve model Once model flying well x 25-in four-strand motor can work different rubber size motor length depending final weight mod el size flying field Experi ence thrill watching CaBlnair climb high sun shining through tissue cruises over head Its joy Dragonfly/H u nton Continued page 74 parts subassemblies smooth breaking rounding sharp edges Parts can pre primed time sealer clear dope Attach /8-in-sq hardwood front back wing reinforcement strips main wing panel over wax paper flat build ing board Use pencil draw accurate lines locate tail booms Glue booms place wing noting inboard wing longer outboard panel Attach horizontal stabilizer three booms Add bellcrank mount rud ders wing tips tip holes goes left side holes positioned top Glue firewall fairings place using solid member top two re maining pieces mount either side cen ter tail boom bottom Continued page 181 176 Model Aviation new Dragonfly just off board two well used serviceable prototypes background cyanoacrylate accel erator repairs kind can made contest during match au thor involved match both models got clobbered engines knocked off Both contestants en gines back models back air doing battle again before clock ran out matchs five-minute time limit
Edition: Model Aviation - 1989/02
Page Numbers: 70, 71, 72, 172, 174, 176
FREE FLIGHT SCALE sport modelers stirred sight rubberpowered biplane air few indeed own experience can say biggest thrills modeling suc cessful launch flight biplane built own hands obeying conunands built After completing construction article based Sig Cabinaire kit see Bostonair Model Aviation June 1988 Larry Kruse suggested another project based Cabinaire Lany said great flying Cabinaire seemed just beg another set wings hadnt thought myself knew immediately right just weak moment Larry also agreed help give project name Since have always problem thinking names projects jumped chance think came up great name CaBlnair Now due apolo gies Paul Mdflrath designer fine Sig kit goes another Cabinaire variant Just Bostonair exact re duction Cabinaire true enlargement larger captures Cabinaire flavor really has lot dif ferences plane designed outdoor mod el select balsa materials accordingly Fu selage longerons wing leading edge etc should firm strong enough job properly Fuselage uprights crosspieces aft wing area excep tion rear motor peg should fairly light balsa landing gear wing mount areas need firm balsa nose also good place heavier balsamost models need added weight nose bal ance flying anyway fairly new type modeling will soon develop feel balsa strength grain type required part model very good study grain found balsa its uses cluded Sig catalog Fuselage Cover plans thin kitchen 70 Model Aviation Top it sure looks like could model airplane aviations Golden Age really variation Paul Mcllraths Cabinaire theme lower windshield line colored self-stick tape Above Doll up modell Detailing such exhaust pipes instrument panel fuselage stripes easy doesnt put very much weight adds lot class wrap Build two fuselage sides over top other next step pre pare single-edge razor blade Cut half use dissecting scissors creating two nar row blades Apply strip masking tape cut end protect fingers during use fuselage side frames dry separate carefully blades just made starting front working aft separate tail post Leave tail post glued help keep things lined up properly during next step Add crosspieces working forward Make sure sides exacfly vertical Also keep sides symmetrical follow ing top plan view Glue F-i add F-2 through F-5 Add stringers between F-i F-3 between F-i F-4 Also add stingers between F-5 landing gear area cross member cowl top bottom covered 1/32 sheet balsa Make paper pattern Check pattern exact fit before cut ting balsa Soak balsa water laced household ammonia until will bend required curvature ease use about 30% ammonia 70% water top bottom cowl wrappers place glue dry apply sand ing sealer same time also brush sealer underside / balsa keep warping sagging between formers after everything dries interest simplicity could omit fuselage stringers will add some strength structure lot character finished model Bend 031 music wire landing gear us ing pattern plan Sandwich wire between two L-ls clamp tight until glue dries Cut wheel pant pieces soft balsa laminate carve streamline shape Make wheels balsa using balsa circle cutter Laminate wheel wood cross grain February 1989 71 Weight materials used build model important Keep light best flying qualities especially aft wing authors model weighed just 1% oz rubber motor Scalelike qualities aBInair evident point view good propor tions Free Flight flying Registration numbers wing authors AMA numbers Graceful outlines please eye Sunburst pattern registration numbers cut tis sue laid piace Dope thinner applied adhesion doped surface beneath Model sent off good flight hand iaunch author stiff breeze Its good windy weather flier though adjusting best done littie no wind Full-Size Plans Available Page 194 LAMINATED WING ripsSTEA SQ DALSAm c NATELEADING EDGE UPPER WING RIB DINT BALSA CGEAJS WING RIMSI __1 LOWER WING BIBTINT NA ROP N RDFTDNI ~RDND DADEEUPPER WING PLAN GIGE WINDOW FRAMENTNORG MALNA7 WI m INALNA-NTTAT ICPA BALSA COWL ROTTOM TI ill I DIE GADGIAWTIN BALSA &GRABRIRBADIDDROLOO DIGEDRATTAILING EDGE IAN RALSA LORAIN WAS IIELAAIAGTICAS OP AID II I BASSWOOD STRON GOAILABLO I/IN NA FEAR RECERALTUERN RALSA CAT SLITS FOE CARE GOODEBALSA PIECES OP DIIANGBALSA ____ BALSA SENGRATECNTDB FIN FOE FLIGOT AOJUSTNEENTSFIT STOALIDER ___________ STABILIZER WING TEST-AIAVIG LAM SAGNAWOOD SEE FUSELAGE DETAIL NOTE CAT STOMILIDEE RON WIPE SEPT ITS DISEETALWINDSDEEEN ATNTTAT ATTACEALES STOOBDW RLACT SPEAK SPEAR TARSMR STARES ANTE ITIE DARE/ FUSELAGE MALSA WING STTCTS/ FRONT VIEW NW DISEER LEW BRLNA AT STRAT ATTALOLTR NA BALSA0 READ LI WGEKL FOOTS N LANGlAOl MW LANDING CABINAIR /4 LOWER WING PLAN NPAESTO ARE IANVBOTTOM BALSA TETILT SEALED BIBSALL TNSTIGRALSO PEON MOTORSANE NANT PEGBALSA NOSENTIS BALSA BLOCKPASTERN PTSO50 BOAT OBOESA BEGXTT EASE BOOSGOOD EGUNDFORWARDEALNA NIFl SORE 0/TO NALEN WA AR ITE NA BALSABALSAFILL WIPE BALSATA NA BALSA STRINGER LOCATIAN7 GLUED TARELEI -WING REST"N.ITIR BALSA EEDAGST FIRES BONDWING EPOJROT ~-FUSELAGE SIDE VIEWSABER FLY WITO B PEAE-PWAMEEANATE PROTOTYPE BAGEL WEbBED SO-DO ANARN REAGY PD FLT PLASTIC PROP WITS LAMAB HEEL PANPNO LAMINATIONSISALADEG TO SEAM ALAD IS BOO E FOE BALLECE PROP STOPOF EAN NAFT BALSA NOREPPOWER MODAL WRY SSBWOES OF TB PAl BARBER OS OR TEAT MODEL AVIATION SCALE LIKE SPONT F/F RUBBER POWERED MEL DESIGNED BY PERRY PETERSON IINKED JOE DEMARCO FUSELAGE TOP VIEW Cut groove back wheel pant short vertical portion land ing gear wire can recessed After wheels sanded sealed painted black trap wheel pants landing gear wire apply quick-set ep oxy sparingly place wire recessed wheel pant groove Attach ment way will prevent pants Afalling down Before used method always pain constantly have tilt pants back right posi tion Either front back would sag down after flight Brush three four coats sanding sealer wheel pants allow dry sand between coats before adding color Cover wheels masking tape painted wheel pants Pactra yellow enamel spray can paint sold plastic model supplies Spray couple easy light coats use just enough covers paint can add weight hurry landing gear assembly can now glued fuselage location shown plans Flying surfaces curved outlines made using four laminations 012 x /6 basswood strips available Peck-Poly mers Using plan trace inside curved outline sheet bond paper Make template transferring pattern piece poster board Coat edges template wax help prevent stick ing during laminating process use crayon select light color dark color transferred basswood wont look good Dip basswood strips water will bend easierno need soak Stack strips tape end template Slowly pull stack strips around form applying steady pressure go tape other end Apply thin cyano acrylate glue CyA both edges basswood allowing glue penetrate tween strips capillary action Round edges basswood sandpaper before removing form strips now ready pin place build flying surfaces over plans Cut wing ribs lightweight Cgrain /16 balsa sheet Pin A6 x %-in trail ing edge wing plan Pin ribs plan gluing trailing edge Line up wing spar notches tip ribs trim front back ribs needed Add hard balsa %2 leading edge A6 balsa spars Cut tip rib spar notches deeper needed before adding spars wing tips dry remove structure plan final-shape tip ribs well leading trailing edges Constructing tapering wing tips manner assures smooth wing tips Build top wings center section piece propping up wing tips amount dihedral marked plans tail surfaces built over plan us ing medium-weight 6-sq balsa stock curved outlines laminated basswood Continued page 173 Fuselage stringers strengthen structure add its pleasant shape Wheel pants should made lightest balsa can find Overall structure both light strong Curved wing tall outlines easy lamination method described text 72 Model Aviation COWL TOP THE TWELFTH ANNUAL IMODELSPORT&HOBBYSHOWI INDUSTRY MEMBERS ONLY FRIDAY JAN 131989 10am- 5pm GENERAL PUBLIC RDAY JANUARY 14 1989 10am -6 pm GENERAL PUBLIC AY JANUARY 15 1989 10 am 5 pm 11 SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS OF MODEL AIRCRAFT MODEL ENGINES GIANT RAFFLE L BOATS RADIO CONTROL SYSTEMS SHOP MODEL CARS LING ACCESSORIES * POND e AR TRACK wwu /* sw WEfT/ ADMISSION Adults $5 00 under 13 -$300 under 6 free adult STATIC DISPLAY COMPETITION IN MANY CATEGORIES see.cc ee INTERNATIONAL MODELER SHOW OFFICE P0 Box 10127 Costa Mesa CA 92627 Ph 714 5484700 yet also very functional Just three months after victory Cleveland Rudy Kling Frank Haines victims fatal crash Miami Air Races us stunned felt terrible sense loss Kling Haines onetwo start Miami race both stalled out first pylon turn Although have never seen mentioned other accounts Chicago Tribune reported gusty winds present racers tight pylon turn likely near stall speed wind shear several miles per hour could produce fatal stall Also excitement close race pilot could easily exceed safe flight limits Its possible too Jupiter very marginal stability SK-4 later design very similar Jupiter also crashed killing pilot Most articles mention Rudy relatively inexperienced rather low overall flight time Yet having flown Suzie several races Jupiter least several times unquestionably acquired considerable piloting skills Anyone could fly high-speed plane narrow-tread gear tiny wheels off dirt fields clearly has what takes Moreover experience no guarantee against disaster Veteran air racer Art Chester killed pylon turn much docile aircraft Jupiter shown itself Jupiter crashed red spinner popped off hardly damaged Fritz Kling kept garage years After war several us rode Harleys habit stopping garage gas up talk Fritz red spinner would remind us days used Rudy quite bit older although didnt really know him well plenty opportunity form some impressions rather short average build quiet neither stufI nor arrogant Rudy always friendly grin willingly cordially answered questions put him scrawny fannboy bib overalls CaBinair/Peterson Continued page 72 Covering Prepare covering brash ing clear dope anywhere plan glue tissue outside framework plan apply piece tissue Without dope application glue water solution used attach tissue will seep wood too fast causing warped fly ing surfaces requiring second applica tion during covering process Select good quality tissue covering used yellow Japanese tissue Oldtimer Models Make sure tissue grain spanwise flying surfaces lengthwise fuselage cant tell grain direction holding up light try small tear tissue will tear easily straight against grain Try avoid heavier domestic tissues have little no grain characteristics Such covering tissue may available colors heavier does manip ulate well Use soft water color brush paint solution 50% white glue 50% water outside framework area covered Lay tissue over framework gently pat down pull out wrinldes go dry carefully trim away excess tissue sharp razor blade cover lower wing mount area because glue used attach wing will bond well enough doped tis sue everything covered shrink tissue misting water satur ate want just little sag tis sue use plastic spay bottle adjusta ble spray nozzle sold garden supply coun ters Finishing Brush thinned coat nonshrink dope Sig Lite-Coat good buty rate dope Old-timer Models sells good non-shrink nitrate dope wing sun burst stripes cut red tissue laid place dope thinner brushed soften dope underneath create bond Numbers cut black tissue applied same way Continued page 174 172 Model Aviation EEEEEUEEEEE... MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENT VlILABtE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION2-STROKEFUEL FREIGHT FREE SHIPPINGON ORDERS OVER$1500 ECT PINT QUART GALLON 55 GAL DRUM 0% Nitromethane $315 $450 $1075 $19695 5% Nitromethane $365 $525 $1275 $26495 10% Nitromethane $415 $550 $1475 $32995 15% Nitromethane $430 $635 $1675 $38995 25% Nitromethane $515 $795 $2195 $52495 35% Nitromethane $595 $925 $2695 $66995 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane $1425 $29995 15% Nitromethane $1625 $36495 THE CHOICE OF CHAMPION f-tXERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subject charge vethe,t notice See dealer first available order direct Call 1ZJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 UK EU EU U EKE Trace windshield pattern bond pa per test fit have good fit transfer pattern acetate Attach windshield model applying RC/56 glue sparingly back lower side portions apply glue bottom front window comes up around cowl top Glue ap plied top cowl needed hold acetate will leave un sightly mess After glue lower sides back windshield dry glue top fuselage cross member wing front location used %2-wide red adhesive-backed RC decorating tape stripe windshield bottom side window frames cut bond paper Paint same color fuselage glue thin acetate sheet back side Glue window assembly place fuselage fuselage stripes A6-wide red adhesive-backed decorating tape sold RC model supplies department Fix strips hot air blow dryer Dec orating tape sold drafting supplies usu ally does stick well generally will withstand much handling side fuselage Final assembly Attach top wings place fuselage applying glue four corners center section Glue horizontal tail place making sure thing straight true Measure tips wings tips tail side sure squareness Also check sighting back plane front dry tarn plane upside down attach bottom wings card stock strut tabs fit slots wing strut mounts horizontal stab wings straight true glue vertical tail place apply glue rear rudder portion allow flight changes flying field Pretension braid motor Make up motor using four strands two loops A-in FM Rubber about 25 long use Sig rubber will need Y6-wide thick Lubricate rubber before inserting fuselage use Roger Tay lors lube available Peck-Polymers does contain castor oil can attack rubber after short period time Install motor plane hold end loops liffle finger Put other loop winder crank about 75 80 turns backwards Change loops wind same num ber turns backwards second loop sure crank backwards winds loop separately Now put both loops winder wind fly Hold model carefully let prop unwind Remove nose block inspect motor should ap pear braided bunched up tail nose plane motor too tight allow prop freewheel unwound remove motor start 174 Model Aviation EuuflEumuuuuuuumN Like Chicago Model Hobby Show 4Yo Planes Cars boats trains Cames ssones Radio Control/ed Static Plastic & Morel Open ta Trade Only March 2-3 Sponsored Radio Control Hobby Trade Association RCHTA Co-Sponsored Model Railroad Industry Association MRIA Lots Fun Lots Features Boat Pond Car Track Model Railroad Demonstrations OS ge CoNev%JSeer 8003235155 rid Canada IllllllJllJJJJJllJJlllJIJJJJllJlJlllllJJlJJllllJllllllIllluI[v32][b234914333013013190]] over using less backwards turns separately loop Hying Wind about 200 turns Lock prop pin rear nose block balance model point shown plans adding clay nose tail needed Select calm day test flying wind should two three miles per hour order properly trim glide portion flight Wind 200 turns motor launch model wind Observe glide Trim glide path adjusting tail surfaces Biplanes known graceful long flat glides descent should least flat CaBlnair has nicest glide biplane have ever seen fly satisfied glide launch 300 turns begin evaluating powered portion flight downthrust built model case power stall amount downthrust will need increased Trimming out new model should painless establish glide first moving tail surfaces establish powered flight thrust adjustments powered flight requires changes stabilizer rudder will need go back re-establish glide Increase power slow steps work powered flights increases should 100 additional turns compared last flight plane may ready higher power could spiral ground enough speed severely dam age plane Patience key word Never try adjustment time took lot time build model take little make fly well After proper flight trimming planes like seldom damaged flying CaBlnair great flier very sta ble glide very satisfying flat gentle descent adds nicely length flight prototypes original flight pattern left under power right glide changed right power pattern match glide two reasons right power pat tern will gain altitude power glide patterns same direc tion dont have walk far flights retrieve model Once model flying well x 25-in four-strand motor can work different rubber size motor length depending final weight mod el size flying field Experi ence thrill watching CaBlnair climb high sun shining through tissue cruises over head Its joy Dragonfly/H u nton Continued page 74 parts subassemblies smooth breaking rounding sharp edges Parts can pre primed time sealer clear dope Attach /8-in-sq hardwood front back wing reinforcement strips main wing panel over wax paper flat build ing board Use pencil draw accurate lines locate tail booms Glue booms place wing noting inboard wing longer outboard panel Attach horizontal stabilizer three booms Add bellcrank mount rud ders wing tips tip holes goes left side holes positioned top Glue firewall fairings place using solid member top two re maining pieces mount either side cen ter tail boom bottom Continued page 181 176 Model Aviation new Dragonfly just off board two well used serviceable prototypes background cyanoacrylate accel erator repairs kind can made contest during match au thor involved match both models got clobbered engines knocked off Both contestants en gines back models back air doing battle again before clock ran out matchs five-minute time limit
Edition: Model Aviation - 1989/02
Page Numbers: 70, 71, 72, 172, 174, 176
FREE FLIGHT SCALE sport modelers stirred sight rubberpowered biplane air few indeed own experience can say biggest thrills modeling suc cessful launch flight biplane built own hands obeying conunands built After completing construction article based Sig Cabinaire kit see Bostonair Model Aviation June 1988 Larry Kruse suggested another project based Cabinaire Lany said great flying Cabinaire seemed just beg another set wings hadnt thought myself knew immediately right just weak moment Larry also agreed help give project name Since have always problem thinking names projects jumped chance think came up great name CaBlnair Now due apolo gies Paul Mdflrath designer fine Sig kit goes another Cabinaire variant Just Bostonair exact re duction Cabinaire true enlargement larger captures Cabinaire flavor really has lot dif ferences plane designed outdoor mod el select balsa materials accordingly Fu selage longerons wing leading edge etc should firm strong enough job properly Fuselage uprights crosspieces aft wing area excep tion rear motor peg should fairly light balsa landing gear wing mount areas need firm balsa nose also good place heavier balsamost models need added weight nose bal ance flying anyway fairly new type modeling will soon develop feel balsa strength grain type required part model very good study grain found balsa its uses cluded Sig catalog Fuselage Cover plans thin kitchen 70 Model Aviation Top it sure looks like could model airplane aviations Golden Age really variation Paul Mcllraths Cabinaire theme lower windshield line colored self-stick tape Above Doll up modell Detailing such exhaust pipes instrument panel fuselage stripes easy doesnt put very much weight adds lot class wrap Build two fuselage sides over top other next step pre pare single-edge razor blade Cut half use dissecting scissors creating two nar row blades Apply strip masking tape cut end protect fingers during use fuselage side frames dry separate carefully blades just made starting front working aft separate tail post Leave tail post glued help keep things lined up properly during next step Add crosspieces working forward Make sure sides exacfly vertical Also keep sides symmetrical follow ing top plan view Glue F-i add F-2 through F-5 Add stringers between F-i F-3 between F-i F-4 Also add stingers between F-5 landing gear area cross member cowl top bottom covered 1/32 sheet balsa Make paper pattern Check pattern exact fit before cut ting balsa Soak balsa water laced household ammonia until will bend required curvature ease use about 30% ammonia 70% water top bottom cowl wrappers place glue dry apply sand ing sealer same time also brush sealer underside / balsa keep warping sagging between formers after everything dries interest simplicity could omit fuselage stringers will add some strength structure lot character finished model Bend 031 music wire landing gear us ing pattern plan Sandwich wire between two L-ls clamp tight until glue dries Cut wheel pant pieces soft balsa laminate carve streamline shape Make wheels balsa using balsa circle cutter Laminate wheel wood cross grain February 1989 71 Weight materials used build model important Keep light best flying qualities especially aft wing authors model weighed just 1% oz rubber motor Scalelike qualities aBInair evident point view good propor tions Free Flight flying Registration numbers wing authors AMA numbers Graceful outlines please eye Sunburst pattern registration numbers cut tis sue laid piace Dope thinner applied adhesion doped surface beneath Model sent off good flight hand iaunch author stiff breeze Its good windy weather flier though adjusting best done littie no wind Full-Size Plans Available Page 194 LAMINATED WING ripsSTEA SQ DALSAm c NATELEADING EDGE UPPER WING RIB DINT BALSA CGEAJS WING RIMSI __1 LOWER WING BIBTINT NA ROP N RDFTDNI ~RDND DADEEUPPER WING PLAN GIGE WINDOW FRAMENTNORG MALNA7 WI m INALNA-NTTAT ICPA BALSA COWL ROTTOM TI ill I DIE GADGIAWTIN BALSA &GRABRIRBADIDDROLOO DIGEDRATTAILING EDGE IAN RALSA LORAIN WAS IIELAAIAGTICAS OP AID II I BASSWOOD STRON GOAILABLO I/IN NA FEAR RECERALTUERN RALSA CAT SLITS FOE CARE GOODEBALSA PIECES OP DIIANGBALSA ____ BALSA SENGRATECNTDB FIN FOE FLIGOT AOJUSTNEENTSFIT STOALIDER ___________ STABILIZER WING TEST-AIAVIG LAM SAGNAWOOD SEE FUSELAGE DETAIL NOTE CAT STOMILIDEE RON WIPE SEPT ITS DISEETALWINDSDEEEN ATNTTAT ATTACEALES STOOBDW RLACT SPEAK SPEAR TARSMR STARES ANTE ITIE DARE/ FUSELAGE MALSA WING STTCTS/ FRONT VIEW NW DISEER LEW BRLNA AT STRAT ATTALOLTR NA BALSA0 READ LI WGEKL FOOTS N LANGlAOl MW LANDING CABINAIR /4 LOWER WING PLAN NPAESTO ARE IANVBOTTOM BALSA TETILT SEALED BIBSALL TNSTIGRALSO PEON MOTORSANE NANT PEGBALSA NOSENTIS BALSA BLOCKPASTERN PTSO50 BOAT OBOESA BEGXTT EASE BOOSGOOD EGUNDFORWARDEALNA NIFl SORE 0/TO NALEN WA AR ITE NA BALSABALSAFILL WIPE BALSATA NA BALSA STRINGER LOCATIAN7 GLUED TARELEI -WING REST"N.ITIR BALSA EEDAGST FIRES BONDWING EPOJROT ~-FUSELAGE SIDE VIEWSABER FLY WITO B PEAE-PWAMEEANATE PROTOTYPE BAGEL WEbBED SO-DO ANARN REAGY PD FLT PLASTIC PROP WITS LAMAB HEEL PANPNO LAMINATIONSISALADEG TO SEAM ALAD IS BOO E FOE BALLECE PROP STOPOF EAN NAFT BALSA NOREPPOWER MODAL WRY SSBWOES OF TB PAl BARBER OS OR TEAT MODEL AVIATION SCALE LIKE SPONT F/F RUBBER POWERED MEL DESIGNED BY PERRY PETERSON IINKED JOE DEMARCO FUSELAGE TOP VIEW Cut groove back wheel pant short vertical portion land ing gear wire can recessed After wheels sanded sealed painted black trap wheel pants landing gear wire apply quick-set ep oxy sparingly place wire recessed wheel pant groove Attach ment way will prevent pants Afalling down Before used method always pain constantly have tilt pants back right posi tion Either front back would sag down after flight Brush three four coats sanding sealer wheel pants allow dry sand between coats before adding color Cover wheels masking tape painted wheel pants Pactra yellow enamel spray can paint sold plastic model supplies Spray couple easy light coats use just enough covers paint can add weight hurry landing gear assembly can now glued fuselage location shown plans Flying surfaces curved outlines made using four laminations 012 x /6 basswood strips available Peck-Poly mers Using plan trace inside curved outline sheet bond paper Make template transferring pattern piece poster board Coat edges template wax help prevent stick ing during laminating process use crayon select light color dark color transferred basswood wont look good Dip basswood strips water will bend easierno need soak Stack strips tape end template Slowly pull stack strips around form applying steady pressure go tape other end Apply thin cyano acrylate glue CyA both edges basswood allowing glue penetrate tween strips capillary action Round edges basswood sandpaper before removing form strips now ready pin place build flying surfaces over plans Cut wing ribs lightweight Cgrain /16 balsa sheet Pin A6 x %-in trail ing edge wing plan Pin ribs plan gluing trailing edge Line up wing spar notches tip ribs trim front back ribs needed Add hard balsa %2 leading edge A6 balsa spars Cut tip rib spar notches deeper needed before adding spars wing tips dry remove structure plan final-shape tip ribs well leading trailing edges Constructing tapering wing tips manner assures smooth wing tips Build top wings center section piece propping up wing tips amount dihedral marked plans tail surfaces built over plan us ing medium-weight 6-sq balsa stock curved outlines laminated basswood Continued page 173 Fuselage stringers strengthen structure add its pleasant shape Wheel pants should made lightest balsa can find Overall structure both light strong Curved wing tall outlines easy lamination method described text 72 Model Aviation COWL TOP THE TWELFTH ANNUAL IMODELSPORT&HOBBYSHOWI INDUSTRY MEMBERS ONLY FRIDAY JAN 131989 10am- 5pm GENERAL PUBLIC RDAY JANUARY 14 1989 10am -6 pm GENERAL PUBLIC AY JANUARY 15 1989 10 am 5 pm 11 SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS OF MODEL AIRCRAFT MODEL ENGINES GIANT RAFFLE L BOATS RADIO CONTROL SYSTEMS SHOP MODEL CARS LING ACCESSORIES * POND e AR TRACK wwu /* sw WEfT/ ADMISSION Adults $5 00 under 13 -$300 under 6 free adult STATIC DISPLAY COMPETITION IN MANY CATEGORIES see.cc ee INTERNATIONAL MODELER SHOW OFFICE P0 Box 10127 Costa Mesa CA 92627 Ph 714 5484700 yet also very functional Just three months after victory Cleveland Rudy Kling Frank Haines victims fatal crash Miami Air Races us stunned felt terrible sense loss Kling Haines onetwo start Miami race both stalled out first pylon turn Although have never seen mentioned other accounts Chicago Tribune reported gusty winds present racers tight pylon turn likely near stall speed wind shear several miles per hour could produce fatal stall Also excitement close race pilot could easily exceed safe flight limits Its possible too Jupiter very marginal stability SK-4 later design very similar Jupiter also crashed killing pilot Most articles mention Rudy relatively inexperienced rather low overall flight time Yet having flown Suzie several races Jupiter least several times unquestionably acquired considerable piloting skills Anyone could fly high-speed plane narrow-tread gear tiny wheels off dirt fields clearly has what takes Moreover experience no guarantee against disaster Veteran air racer Art Chester killed pylon turn much docile aircraft Jupiter shown itself Jupiter crashed red spinner popped off hardly damaged Fritz Kling kept garage years After war several us rode Harleys habit stopping garage gas up talk Fritz red spinner would remind us days used Rudy quite bit older although didnt really know him well plenty opportunity form some impressions rather short average build quiet neither stufI nor arrogant Rudy always friendly grin willingly cordially answered questions put him scrawny fannboy bib overalls CaBinair/Peterson Continued page 72 Covering Prepare covering brash ing clear dope anywhere plan glue tissue outside framework plan apply piece tissue Without dope application glue water solution used attach tissue will seep wood too fast causing warped fly ing surfaces requiring second applica tion during covering process Select good quality tissue covering used yellow Japanese tissue Oldtimer Models Make sure tissue grain spanwise flying surfaces lengthwise fuselage cant tell grain direction holding up light try small tear tissue will tear easily straight against grain Try avoid heavier domestic tissues have little no grain characteristics Such covering tissue may available colors heavier does manip ulate well Use soft water color brush paint solution 50% white glue 50% water outside framework area covered Lay tissue over framework gently pat down pull out wrinldes go dry carefully trim away excess tissue sharp razor blade cover lower wing mount area because glue used attach wing will bond well enough doped tis sue everything covered shrink tissue misting water satur ate want just little sag tis sue use plastic spay bottle adjusta ble spray nozzle sold garden supply coun ters Finishing Brush thinned coat nonshrink dope Sig Lite-Coat good buty rate dope Old-timer Models sells good non-shrink nitrate dope wing sun burst stripes cut red tissue laid place dope thinner brushed soften dope underneath create bond Numbers cut black tissue applied same way Continued page 174 172 Model Aviation EEEEEUEEEEE... MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENT VlILABtE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION2-STROKEFUEL FREIGHT FREE SHIPPINGON ORDERS OVER$1500 ECT PINT QUART GALLON 55 GAL DRUM 0% Nitromethane $315 $450 $1075 $19695 5% Nitromethane $365 $525 $1275 $26495 10% Nitromethane $415 $550 $1475 $32995 15% Nitromethane $430 $635 $1675 $38995 25% Nitromethane $515 $795 $2195 $52495 35% Nitromethane $595 $925 $2695 $66995 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane $1425 $29995 15% Nitromethane $1625 $36495 THE CHOICE OF CHAMPION f-tXERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subject charge vethe,t notice See dealer first available order direct Call 1ZJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 UK EU EU U EKE Trace windshield pattern bond pa per test fit have good fit transfer pattern acetate Attach windshield model applying RC/56 glue sparingly back lower side portions apply glue bottom front window comes up around cowl top Glue ap plied top cowl needed hold acetate will leave un sightly mess After glue lower sides back windshield dry glue top fuselage cross member wing front location used %2-wide red adhesive-backed RC decorating tape stripe windshield bottom side window frames cut bond paper Paint same color fuselage glue thin acetate sheet back side Glue window assembly place fuselage fuselage stripes A6-wide red adhesive-backed decorating tape sold RC model supplies department Fix strips hot air blow dryer Dec orating tape sold drafting supplies usu ally does stick well generally will withstand much handling side fuselage Final assembly Attach top wings place fuselage applying glue four corners center section Glue horizontal tail place making sure thing straight true Measure tips wings tips tail side sure squareness Also check sighting back plane front dry tarn plane upside down attach bottom wings card stock strut tabs fit slots wing strut mounts horizontal stab wings straight true glue vertical tail place apply glue rear rudder portion allow flight changes flying field Pretension braid motor Make up motor using four strands two loops A-in FM Rubber about 25 long use Sig rubber will need Y6-wide thick Lubricate rubber before inserting fuselage use Roger Tay lors lube available Peck-Polymers does contain castor oil can attack rubber after short period time Install motor plane hold end loops liffle finger Put other loop winder crank about 75 80 turns backwards Change loops wind same num ber turns backwards second loop sure crank backwards winds loop separately Now put both loops winder wind fly Hold model carefully let prop unwind Remove nose block inspect motor should ap pear braided bunched up tail nose plane motor too tight allow prop freewheel unwound remove motor start 174 Model Aviation EuuflEumuuuuuuumN Like Chicago Model Hobby Show 4Yo Planes Cars boats trains Cames ssones Radio Control/ed Static Plastic & Morel Open ta Trade Only March 2-3 Sponsored Radio Control Hobby Trade Association RCHTA Co-Sponsored Model Railroad Industry Association MRIA Lots Fun Lots Features Boat Pond Car Track Model Railroad Demonstrations OS ge CoNev%JSeer 8003235155 rid Canada IllllllJllJJJJJllJJlllJIJJJJllJlJlllllJJlJJllllJllllllIllluI[v32][b234914333013013190]] over using less backwards turns separately loop Hying Wind about 200 turns Lock prop pin rear nose block balance model point shown plans adding clay nose tail needed Select calm day test flying wind should two three miles per hour order properly trim glide portion flight Wind 200 turns motor launch model wind Observe glide Trim glide path adjusting tail surfaces Biplanes known graceful long flat glides descent should least flat CaBlnair has nicest glide biplane have ever seen fly satisfied glide launch 300 turns begin evaluating powered portion flight downthrust built model case power stall amount downthrust will need increased Trimming out new model should painless establish glide first moving tail surfaces establish powered flight thrust adjustments powered flight requires changes stabilizer rudder will need go back re-establish glide Increase power slow steps work powered flights increases should 100 additional turns compared last flight plane may ready higher power could spiral ground enough speed severely dam age plane Patience key word Never try adjustment time took lot time build model take little make fly well After proper flight trimming planes like seldom damaged flying CaBlnair great flier very sta ble glide very satisfying flat gentle descent adds nicely length flight prototypes original flight pattern left under power right glide changed right power pattern match glide two reasons right power pat tern will gain altitude power glide patterns same direc tion dont have walk far flights retrieve model Once model flying well x 25-in four-strand motor can work different rubber size motor length depending final weight mod el size flying field Experi ence thrill watching CaBlnair climb high sun shining through tissue cruises over head Its joy Dragonfly/H u nton Continued page 74 parts subassemblies smooth breaking rounding sharp edges Parts can pre primed time sealer clear dope Attach /8-in-sq hardwood front back wing reinforcement strips main wing panel over wax paper flat build ing board Use pencil draw accurate lines locate tail booms Glue booms place wing noting inboard wing longer outboard panel Attach horizontal stabilizer three booms Add bellcrank mount rud ders wing tips tip holes goes left side holes positioned top Glue firewall fairings place using solid member top two re maining pieces mount either side cen ter tail boom bottom Continued page 181 176 Model Aviation new Dragonfly just off board two well used serviceable prototypes background cyanoacrylate accel erator repairs kind can made contest during match au thor involved match both models got clobbered engines knocked off Both contestants en gines back models back air doing battle again before clock ran out matchs five-minute time limit
Edition: Model Aviation - 1989/02
Page Numbers: 70, 71, 72, 172, 174, 176
FREE FLIGHT SCALE sport modelers stirred sight rubberpowered biplane air few indeed own experience can say biggest thrills modeling suc cessful launch flight biplane built own hands obeying conunands built After completing construction article based Sig Cabinaire kit see Bostonair Model Aviation June 1988 Larry Kruse suggested another project based Cabinaire Lany said great flying Cabinaire seemed just beg another set wings hadnt thought myself knew immediately right just weak moment Larry also agreed help give project name Since have always problem thinking names projects jumped chance think came up great name CaBlnair Now due apolo gies Paul Mdflrath designer fine Sig kit goes another Cabinaire variant Just Bostonair exact re duction Cabinaire true enlargement larger captures Cabinaire flavor really has lot dif ferences plane designed outdoor mod el select balsa materials accordingly Fu selage longerons wing leading edge etc should firm strong enough job properly Fuselage uprights crosspieces aft wing area excep tion rear motor peg should fairly light balsa landing gear wing mount areas need firm balsa nose also good place heavier balsamost models need added weight nose bal ance flying anyway fairly new type modeling will soon develop feel balsa strength grain type required part model very good study grain found balsa its uses cluded Sig catalog Fuselage Cover plans thin kitchen 70 Model Aviation Top it sure looks like could model airplane aviations Golden Age really variation Paul Mcllraths Cabinaire theme lower windshield line colored self-stick tape Above Doll up modell Detailing such exhaust pipes instrument panel fuselage stripes easy doesnt put very much weight adds lot class wrap Build two fuselage sides over top other next step pre pare single-edge razor blade Cut half use dissecting scissors creating two nar row blades Apply strip masking tape cut end protect fingers during use fuselage side frames dry separate carefully blades just made starting front working aft separate tail post Leave tail post glued help keep things lined up properly during next step Add crosspieces working forward Make sure sides exacfly vertical Also keep sides symmetrical follow ing top plan view Glue F-i add F-2 through F-5 Add stringers between F-i F-3 between F-i F-4 Also add stingers between F-5 landing gear area cross member cowl top bottom covered 1/32 sheet balsa Make paper pattern Check pattern exact fit before cut ting balsa Soak balsa water laced household ammonia until will bend required curvature ease use about 30% ammonia 70% water top bottom cowl wrappers place glue dry apply sand ing sealer same time also brush sealer underside / balsa keep warping sagging between formers after everything dries interest simplicity could omit fuselage stringers will add some strength structure lot character finished model Bend 031 music wire landing gear us ing pattern plan Sandwich wire between two L-ls clamp tight until glue dries Cut wheel pant pieces soft balsa laminate carve streamline shape Make wheels balsa using balsa circle cutter Laminate wheel wood cross grain February 1989 71 Weight materials used build model important Keep light best flying qualities especially aft wing authors model weighed just 1% oz rubber motor Scalelike qualities aBInair evident point view good propor tions Free Flight flying Registration numbers wing authors AMA numbers Graceful outlines please eye Sunburst pattern registration numbers cut tis sue laid piace Dope thinner applied adhesion doped surface beneath Model sent off good flight hand iaunch author stiff breeze Its good windy weather flier though adjusting best done littie no wind Full-Size Plans Available Page 194 LAMINATED WING ripsSTEA SQ DALSAm c NATELEADING EDGE UPPER WING RIB DINT BALSA CGEAJS WING RIMSI __1 LOWER WING BIBTINT NA ROP N RDFTDNI ~RDND DADEEUPPER WING PLAN GIGE WINDOW FRAMENTNORG MALNA7 WI m INALNA-NTTAT ICPA BALSA COWL ROTTOM TI ill I DIE GADGIAWTIN BALSA &GRABRIRBADIDDROLOO DIGEDRATTAILING EDGE IAN RALSA LORAIN WAS IIELAAIAGTICAS OP AID II I BASSWOOD STRON GOAILABLO I/IN NA FEAR RECERALTUERN RALSA CAT SLITS FOE CARE GOODEBALSA PIECES OP DIIANGBALSA ____ BALSA SENGRATECNTDB FIN FOE FLIGOT AOJUSTNEENTSFIT STOALIDER ___________ STABILIZER WING TEST-AIAVIG LAM SAGNAWOOD SEE FUSELAGE DETAIL NOTE CAT STOMILIDEE RON WIPE SEPT ITS DISEETALWINDSDEEEN ATNTTAT ATTACEALES STOOBDW RLACT SPEAK SPEAR TARSMR STARES ANTE ITIE DARE/ FUSELAGE MALSA WING STTCTS/ FRONT VIEW NW DISEER LEW BRLNA AT STRAT ATTALOLTR NA BALSA0 READ LI WGEKL FOOTS N LANGlAOl MW LANDING CABINAIR /4 LOWER WING PLAN NPAESTO ARE IANVBOTTOM BALSA TETILT SEALED BIBSALL TNSTIGRALSO PEON MOTORSANE NANT PEGBALSA NOSENTIS BALSA BLOCKPASTERN PTSO50 BOAT OBOESA BEGXTT EASE BOOSGOOD EGUNDFORWARDEALNA NIFl SORE 0/TO NALEN WA AR ITE NA BALSABALSAFILL WIPE BALSATA NA BALSA STRINGER LOCATIAN7 GLUED TARELEI -WING REST"N.ITIR BALSA EEDAGST FIRES BONDWING EPOJROT ~-FUSELAGE SIDE VIEWSABER FLY WITO B PEAE-PWAMEEANATE PROTOTYPE BAGEL WEbBED SO-DO ANARN REAGY PD FLT PLASTIC PROP WITS LAMAB HEEL PANPNO LAMINATIONSISALADEG TO SEAM ALAD IS BOO E FOE BALLECE PROP STOPOF EAN NAFT BALSA NOREPPOWER MODAL WRY SSBWOES OF TB PAl BARBER OS OR TEAT MODEL AVIATION SCALE LIKE SPONT F/F RUBBER POWERED MEL DESIGNED BY PERRY PETERSON IINKED JOE DEMARCO FUSELAGE TOP VIEW Cut groove back wheel pant short vertical portion land ing gear wire can recessed After wheels sanded sealed painted black trap wheel pants landing gear wire apply quick-set ep oxy sparingly place wire recessed wheel pant groove Attach ment way will prevent pants Afalling down Before used method always pain constantly have tilt pants back right posi tion Either front back would sag down after flight Brush three four coats sanding sealer wheel pants allow dry sand between coats before adding color Cover wheels masking tape painted wheel pants Pactra yellow enamel spray can paint sold plastic model supplies Spray couple easy light coats use just enough covers paint can add weight hurry landing gear assembly can now glued fuselage location shown plans Flying surfaces curved outlines made using four laminations 012 x /6 basswood strips available Peck-Poly mers Using plan trace inside curved outline sheet bond paper Make template transferring pattern piece poster board Coat edges template wax help prevent stick ing during laminating process use crayon select light color dark color transferred basswood wont look good Dip basswood strips water will bend easierno need soak Stack strips tape end template Slowly pull stack strips around form applying steady pressure go tape other end Apply thin cyano acrylate glue CyA both edges basswood allowing glue penetrate tween strips capillary action Round edges basswood sandpaper before removing form strips now ready pin place build flying surfaces over plans Cut wing ribs lightweight Cgrain /16 balsa sheet Pin A6 x %-in trail ing edge wing plan Pin ribs plan gluing trailing edge Line up wing spar notches tip ribs trim front back ribs needed Add hard balsa %2 leading edge A6 balsa spars Cut tip rib spar notches deeper needed before adding spars wing tips dry remove structure plan final-shape tip ribs well leading trailing edges Constructing tapering wing tips manner assures smooth wing tips Build top wings center section piece propping up wing tips amount dihedral marked plans tail surfaces built over plan us ing medium-weight 6-sq balsa stock curved outlines laminated basswood Continued page 173 Fuselage stringers strengthen structure add its pleasant shape Wheel pants should made lightest balsa can find Overall structure both light strong Curved wing tall outlines easy lamination method described text 72 Model Aviation COWL TOP THE TWELFTH ANNUAL IMODELSPORT&HOBBYSHOWI INDUSTRY MEMBERS ONLY FRIDAY JAN 131989 10am- 5pm GENERAL PUBLIC RDAY JANUARY 14 1989 10am -6 pm GENERAL PUBLIC AY JANUARY 15 1989 10 am 5 pm 11 SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS OF MODEL AIRCRAFT MODEL ENGINES GIANT RAFFLE L BOATS RADIO CONTROL SYSTEMS SHOP MODEL CARS LING ACCESSORIES * POND e AR TRACK wwu /* sw WEfT/ ADMISSION Adults $5 00 under 13 -$300 under 6 free adult STATIC DISPLAY COMPETITION IN MANY CATEGORIES see.cc ee INTERNATIONAL MODELER SHOW OFFICE P0 Box 10127 Costa Mesa CA 92627 Ph 714 5484700 yet also very functional Just three months after victory Cleveland Rudy Kling Frank Haines victims fatal crash Miami Air Races us stunned felt terrible sense loss Kling Haines onetwo start Miami race both stalled out first pylon turn Although have never seen mentioned other accounts Chicago Tribune reported gusty winds present racers tight pylon turn likely near stall speed wind shear several miles per hour could produce fatal stall Also excitement close race pilot could easily exceed safe flight limits Its possible too Jupiter very marginal stability SK-4 later design very similar Jupiter also crashed killing pilot Most articles mention Rudy relatively inexperienced rather low overall flight time Yet having flown Suzie several races Jupiter least several times unquestionably acquired considerable piloting skills Anyone could fly high-speed plane narrow-tread gear tiny wheels off dirt fields clearly has what takes Moreover experience no guarantee against disaster Veteran air racer Art Chester killed pylon turn much docile aircraft Jupiter shown itself Jupiter crashed red spinner popped off hardly damaged Fritz Kling kept garage years After war several us rode Harleys habit stopping garage gas up talk Fritz red spinner would remind us days used Rudy quite bit older although didnt really know him well plenty opportunity form some impressions rather short average build quiet neither stufI nor arrogant Rudy always friendly grin willingly cordially answered questions put him scrawny fannboy bib overalls CaBinair/Peterson Continued page 72 Covering Prepare covering brash ing clear dope anywhere plan glue tissue outside framework plan apply piece tissue Without dope application glue water solution used attach tissue will seep wood too fast causing warped fly ing surfaces requiring second applica tion during covering process Select good quality tissue covering used yellow Japanese tissue Oldtimer Models Make sure tissue grain spanwise flying surfaces lengthwise fuselage cant tell grain direction holding up light try small tear tissue will tear easily straight against grain Try avoid heavier domestic tissues have little no grain characteristics Such covering tissue may available colors heavier does manip ulate well Use soft water color brush paint solution 50% white glue 50% water outside framework area covered Lay tissue over framework gently pat down pull out wrinldes go dry carefully trim away excess tissue sharp razor blade cover lower wing mount area because glue used attach wing will bond well enough doped tis sue everything covered shrink tissue misting water satur ate want just little sag tis sue use plastic spay bottle adjusta ble spray nozzle sold garden supply coun ters Finishing Brush thinned coat nonshrink dope Sig Lite-Coat good buty rate dope Old-timer Models sells good non-shrink nitrate dope wing sun burst stripes cut red tissue laid place dope thinner brushed soften dope underneath create bond Numbers cut black tissue applied same way Continued page 174 172 Model Aviation EEEEEUEEEEE... MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENT VlILABtE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION2-STROKEFUEL FREIGHT FREE SHIPPINGON ORDERS OVER$1500 ECT PINT QUART GALLON 55 GAL DRUM 0% Nitromethane $315 $450 $1075 $19695 5% Nitromethane $365 $525 $1275 $26495 10% Nitromethane $415 $550 $1475 $32995 15% Nitromethane $430 $635 $1675 $38995 25% Nitromethane $515 $795 $2195 $52495 35% Nitromethane $595 $925 $2695 $66995 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane $1425 $29995 15% Nitromethane $1625 $36495 THE CHOICE OF CHAMPION f-tXERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subject charge vethe,t notice See dealer first available order direct Call 1ZJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 UK EU EU U EKE Trace windshield pattern bond pa per test fit have good fit transfer pattern acetate Attach windshield model applying RC/56 glue sparingly back lower side portions apply glue bottom front window comes up around cowl top Glue ap plied top cowl needed hold acetate will leave un sightly mess After glue lower sides back windshield dry glue top fuselage cross member wing front location used %2-wide red adhesive-backed RC decorating tape stripe windshield bottom side window frames cut bond paper Paint same color fuselage glue thin acetate sheet back side Glue window assembly place fuselage fuselage stripes A6-wide red adhesive-backed decorating tape sold RC model supplies department Fix strips hot air blow dryer Dec orating tape sold drafting supplies usu ally does stick well generally will withstand much handling side fuselage Final assembly Attach top wings place fuselage applying glue four corners center section Glue horizontal tail place making sure thing straight true Measure tips wings tips tail side sure squareness Also check sighting back plane front dry tarn plane upside down attach bottom wings card stock strut tabs fit slots wing strut mounts horizontal stab wings straight true glue vertical tail place apply glue rear rudder portion allow flight changes flying field Pretension braid motor Make up motor using four strands two loops A-in FM Rubber about 25 long use Sig rubber will need Y6-wide thick Lubricate rubber before inserting fuselage use Roger Tay lors lube available Peck-Polymers does contain castor oil can attack rubber after short period time Install motor plane hold end loops liffle finger Put other loop winder crank about 75 80 turns backwards Change loops wind same num ber turns backwards second loop sure crank backwards winds loop separately Now put both loops winder wind fly Hold model carefully let prop unwind Remove nose block inspect motor should ap pear braided bunched up tail nose plane motor too tight allow prop freewheel unwound remove motor start 174 Model Aviation EuuflEumuuuuuuumN Like Chicago Model Hobby Show 4Yo Planes Cars boats trains Cames ssones Radio Control/ed Static Plastic & Morel Open ta Trade Only March 2-3 Sponsored Radio Control Hobby Trade Association RCHTA Co-Sponsored Model Railroad Industry Association MRIA Lots Fun Lots Features Boat Pond Car Track Model Railroad Demonstrations OS ge CoNev%JSeer 8003235155 rid Canada IllllllJllJJJJJllJJlllJIJJJJllJlJlllllJJlJJllllJllllllIllluI[v32][b234914333013013190]] over using less backwards turns separately loop Hying Wind about 200 turns Lock prop pin rear nose block balance model point shown plans adding clay nose tail needed Select calm day test flying wind should two three miles per hour order properly trim glide portion flight Wind 200 turns motor launch model wind Observe glide Trim glide path adjusting tail surfaces Biplanes known graceful long flat glides descent should least flat CaBlnair has nicest glide biplane have ever seen fly satisfied glide launch 300 turns begin evaluating powered portion flight downthrust built model case power stall amount downthrust will need increased Trimming out new model should painless establish glide first moving tail surfaces establish powered flight thrust adjustments powered flight requires changes stabilizer rudder will need go back re-establish glide Increase power slow steps work powered flights increases should 100 additional turns compared last flight plane may ready higher power could spiral ground enough speed severely dam age plane Patience key word Never try adjustment time took lot time build model take little make fly well After proper flight trimming planes like seldom damaged flying CaBlnair great flier very sta ble glide very satisfying flat gentle descent adds nicely length flight prototypes original flight pattern left under power right glide changed right power pattern match glide two reasons right power pat tern will gain altitude power glide patterns same direc tion dont have walk far flights retrieve model Once model flying well x 25-in four-strand motor can work different rubber size motor length depending final weight mod el size flying field Experi ence thrill watching CaBlnair climb high sun shining through tissue cruises over head Its joy Dragonfly/H u nton Continued page 74 parts subassemblies smooth breaking rounding sharp edges Parts can pre primed time sealer clear dope Attach /8-in-sq hardwood front back wing reinforcement strips main wing panel over wax paper flat build ing board Use pencil draw accurate lines locate tail booms Glue booms place wing noting inboard wing longer outboard panel Attach horizontal stabilizer three booms Add bellcrank mount rud ders wing tips tip holes goes left side holes positioned top Glue firewall fairings place using solid member top two re maining pieces mount either side cen ter tail boom bottom Continued page 181 176 Model Aviation new Dragonfly just off board two well used serviceable prototypes background cyanoacrylate accel erator repairs kind can made contest during match au thor involved match both models got clobbered engines knocked off Both contestants en gines back models back air doing battle again before clock ran out matchs five-minute time limit
Edition: Model Aviation - 1989/02
Page Numbers: 70, 71, 72, 172, 174, 176
FREE FLIGHT SCALE sport modelers stirred sight rubberpowered biplane air few indeed own experience can say biggest thrills modeling suc cessful launch flight biplane built own hands obeying conunands built After completing construction article based Sig Cabinaire kit see Bostonair Model Aviation June 1988 Larry Kruse suggested another project based Cabinaire Lany said great flying Cabinaire seemed just beg another set wings hadnt thought myself knew immediately right just weak moment Larry also agreed help give project name Since have always problem thinking names projects jumped chance think came up great name CaBlnair Now due apolo gies Paul Mdflrath designer fine Sig kit goes another Cabinaire variant Just Bostonair exact re duction Cabinaire true enlargement larger captures Cabinaire flavor really has lot dif ferences plane designed outdoor mod el select balsa materials accordingly Fu selage longerons wing leading edge etc should firm strong enough job properly Fuselage uprights crosspieces aft wing area excep tion rear motor peg should fairly light balsa landing gear wing mount areas need firm balsa nose also good place heavier balsamost models need added weight nose bal ance flying anyway fairly new type modeling will soon develop feel balsa strength grain type required part model very good study grain found balsa its uses cluded Sig catalog Fuselage Cover plans thin kitchen 70 Model Aviation Top it sure looks like could model airplane aviations Golden Age really variation Paul Mcllraths Cabinaire theme lower windshield line colored self-stick tape Above Doll up modell Detailing such exhaust pipes instrument panel fuselage stripes easy doesnt put very much weight adds lot class wrap Build two fuselage sides over top other next step pre pare single-edge razor blade Cut half use dissecting scissors creating two nar row blades Apply strip masking tape cut end protect fingers during use fuselage side frames dry separate carefully blades just made starting front working aft separate tail post Leave tail post glued help keep things lined up properly during next step Add crosspieces working forward Make sure sides exacfly vertical Also keep sides symmetrical follow ing top plan view Glue F-i add F-2 through F-5 Add stringers between F-i F-3 between F-i F-4 Also add stingers between F-5 landing gear area cross member cowl top bottom covered 1/32 sheet balsa Make paper pattern Check pattern exact fit before cut ting balsa Soak balsa water laced household ammonia until will bend required curvature ease use about 30% ammonia 70% water top bottom cowl wrappers place glue dry apply sand ing sealer same time also brush sealer underside / balsa keep warping sagging between formers after everything dries interest simplicity could omit fuselage stringers will add some strength structure lot character finished model Bend 031 music wire landing gear us ing pattern plan Sandwich wire between two L-ls clamp tight until glue dries Cut wheel pant pieces soft balsa laminate carve streamline shape Make wheels balsa using balsa circle cutter Laminate wheel wood cross grain February 1989 71 Weight materials used build model important Keep light best flying qualities especially aft wing authors model weighed just 1% oz rubber motor Scalelike qualities aBInair evident point view good propor tions Free Flight flying Registration numbers wing authors AMA numbers Graceful outlines please eye Sunburst pattern registration numbers cut tis sue laid piace Dope thinner applied adhesion doped surface beneath Model sent off good flight hand iaunch author stiff breeze Its good windy weather flier though adjusting best done littie no wind Full-Size Plans Available Page 194 LAMINATED WING ripsSTEA SQ DALSAm c NATELEADING EDGE UPPER WING RIB DINT BALSA CGEAJS WING RIMSI __1 LOWER WING BIBTINT NA ROP N RDFTDNI ~RDND DADEEUPPER WING PLAN GIGE WINDOW FRAMENTNORG MALNA7 WI m INALNA-NTTAT ICPA BALSA COWL ROTTOM TI ill I DIE GADGIAWTIN BALSA &GRABRIRBADIDDROLOO DIGEDRATTAILING EDGE IAN RALSA LORAIN WAS IIELAAIAGTICAS OP AID II I BASSWOOD STRON GOAILABLO I/IN NA FEAR RECERALTUERN RALSA CAT SLITS FOE CARE GOODEBALSA PIECES OP DIIANGBALSA ____ BALSA SENGRATECNTDB FIN FOE FLIGOT AOJUSTNEENTSFIT STOALIDER ___________ STABILIZER WING TEST-AIAVIG LAM SAGNAWOOD SEE FUSELAGE DETAIL NOTE CAT STOMILIDEE RON WIPE SEPT ITS DISEETALWINDSDEEEN ATNTTAT ATTACEALES STOOBDW RLACT SPEAK SPEAR TARSMR STARES ANTE ITIE DARE/ FUSELAGE MALSA WING STTCTS/ FRONT VIEW NW DISEER LEW BRLNA AT STRAT ATTALOLTR NA BALSA0 READ LI WGEKL FOOTS N LANGlAOl MW LANDING CABINAIR /4 LOWER WING PLAN NPAESTO ARE IANVBOTTOM BALSA TETILT SEALED BIBSALL TNSTIGRALSO PEON MOTORSANE NANT PEGBALSA NOSENTIS BALSA BLOCKPASTERN PTSO50 BOAT OBOESA BEGXTT EASE BOOSGOOD EGUNDFORWARDEALNA NIFl SORE 0/TO NALEN WA AR ITE NA BALSABALSAFILL WIPE BALSATA NA BALSA STRINGER LOCATIAN7 GLUED TARELEI -WING REST"N.ITIR BALSA EEDAGST FIRES BONDWING EPOJROT ~-FUSELAGE SIDE VIEWSABER FLY WITO B PEAE-PWAMEEANATE PROTOTYPE BAGEL WEbBED SO-DO ANARN REAGY PD FLT PLASTIC PROP WITS LAMAB HEEL PANPNO LAMINATIONSISALADEG TO SEAM ALAD IS BOO E FOE BALLECE PROP STOPOF EAN NAFT BALSA NOREPPOWER MODAL WRY SSBWOES OF TB PAl BARBER OS OR TEAT MODEL AVIATION SCALE LIKE SPONT F/F RUBBER POWERED MEL DESIGNED BY PERRY PETERSON IINKED JOE DEMARCO FUSELAGE TOP VIEW Cut groove back wheel pant short vertical portion land ing gear wire can recessed After wheels sanded sealed painted black trap wheel pants landing gear wire apply quick-set ep oxy sparingly place wire recessed wheel pant groove Attach ment way will prevent pants Afalling down Before used method always pain constantly have tilt pants back right posi tion Either front back would sag down after flight Brush three four coats sanding sealer wheel pants allow dry sand between coats before adding color Cover wheels masking tape painted wheel pants Pactra yellow enamel spray can paint sold plastic model supplies Spray couple easy light coats use just enough covers paint can add weight hurry landing gear assembly can now glued fuselage location shown plans Flying surfaces curved outlines made using four laminations 012 x /6 basswood strips available Peck-Poly mers Using plan trace inside curved outline sheet bond paper Make template transferring pattern piece poster board Coat edges template wax help prevent stick ing during laminating process use crayon select light color dark color transferred basswood wont look good Dip basswood strips water will bend easierno need soak Stack strips tape end template Slowly pull stack strips around form applying steady pressure go tape other end Apply thin cyano acrylate glue CyA both edges basswood allowing glue penetrate tween strips capillary action Round edges basswood sandpaper before removing form strips now ready pin place build flying surfaces over plans Cut wing ribs lightweight Cgrain /16 balsa sheet Pin A6 x %-in trail ing edge wing plan Pin ribs plan gluing trailing edge Line up wing spar notches tip ribs trim front back ribs needed Add hard balsa %2 leading edge A6 balsa spars Cut tip rib spar notches deeper needed before adding spars wing tips dry remove structure plan final-shape tip ribs well leading trailing edges Constructing tapering wing tips manner assures smooth wing tips Build top wings center section piece propping up wing tips amount dihedral marked plans tail surfaces built over plan us ing medium-weight 6-sq balsa stock curved outlines laminated basswood Continued page 173 Fuselage stringers strengthen structure add its pleasant shape Wheel pants should made lightest balsa can find Overall structure both light strong Curved wing tall outlines easy lamination method described text 72 Model Aviation COWL TOP THE TWELFTH ANNUAL IMODELSPORT&HOBBYSHOWI INDUSTRY MEMBERS ONLY FRIDAY JAN 131989 10am- 5pm GENERAL PUBLIC RDAY JANUARY 14 1989 10am -6 pm GENERAL PUBLIC AY JANUARY 15 1989 10 am 5 pm 11 SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS OF MODEL AIRCRAFT MODEL ENGINES GIANT RAFFLE L BOATS RADIO CONTROL SYSTEMS SHOP MODEL CARS LING ACCESSORIES * POND e AR TRACK wwu /* sw WEfT/ ADMISSION Adults $5 00 under 13 -$300 under 6 free adult STATIC DISPLAY COMPETITION IN MANY CATEGORIES see.cc ee INTERNATIONAL MODELER SHOW OFFICE P0 Box 10127 Costa Mesa CA 92627 Ph 714 5484700 yet also very functional Just three months after victory Cleveland Rudy Kling Frank Haines victims fatal crash Miami Air Races us stunned felt terrible sense loss Kling Haines onetwo start Miami race both stalled out first pylon turn Although have never seen mentioned other accounts Chicago Tribune reported gusty winds present racers tight pylon turn likely near stall speed wind shear several miles per hour could produce fatal stall Also excitement close race pilot could easily exceed safe flight limits Its possible too Jupiter very marginal stability SK-4 later design very similar Jupiter also crashed killing pilot Most articles mention Rudy relatively inexperienced rather low overall flight time Yet having flown Suzie several races Jupiter least several times unquestionably acquired considerable piloting skills Anyone could fly high-speed plane narrow-tread gear tiny wheels off dirt fields clearly has what takes Moreover experience no guarantee against disaster Veteran air racer Art Chester killed pylon turn much docile aircraft Jupiter shown itself Jupiter crashed red spinner popped off hardly damaged Fritz Kling kept garage years After war several us rode Harleys habit stopping garage gas up talk Fritz red spinner would remind us days used Rudy quite bit older although didnt really know him well plenty opportunity form some impressions rather short average build quiet neither stufI nor arrogant Rudy always friendly grin willingly cordially answered questions put him scrawny fannboy bib overalls CaBinair/Peterson Continued page 72 Covering Prepare covering brash ing clear dope anywhere plan glue tissue outside framework plan apply piece tissue Without dope application glue water solution used attach tissue will seep wood too fast causing warped fly ing surfaces requiring second applica tion during covering process Select good quality tissue covering used yellow Japanese tissue Oldtimer Models Make sure tissue grain spanwise flying surfaces lengthwise fuselage cant tell grain direction holding up light try small tear tissue will tear easily straight against grain Try avoid heavier domestic tissues have little no grain characteristics Such covering tissue may available colors heavier does manip ulate well Use soft water color brush paint solution 50% white glue 50% water outside framework area covered Lay tissue over framework gently pat down pull out wrinldes go dry carefully trim away excess tissue sharp razor blade cover lower wing mount area because glue used attach wing will bond well enough doped tis sue everything covered shrink tissue misting water satur ate want just little sag tis sue use plastic spay bottle adjusta ble spray nozzle sold garden supply coun ters Finishing Brush thinned coat nonshrink dope Sig Lite-Coat good buty rate dope Old-timer Models sells good non-shrink nitrate dope wing sun burst stripes cut red tissue laid place dope thinner brushed soften dope underneath create bond Numbers cut black tissue applied same way Continued page 174 172 Model Aviation EEEEEUEEEEE... MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENT VlILABtE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION2-STROKEFUEL FREIGHT FREE SHIPPINGON ORDERS OVER$1500 ECT PINT QUART GALLON 55 GAL DRUM 0% Nitromethane $315 $450 $1075 $19695 5% Nitromethane $365 $525 $1275 $26495 10% Nitromethane $415 $550 $1475 $32995 15% Nitromethane $430 $635 $1675 $38995 25% Nitromethane $515 $795 $2195 $52495 35% Nitromethane $595 $925 $2695 $66995 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane $1425 $29995 15% Nitromethane $1625 $36495 THE CHOICE OF CHAMPION f-tXERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subject charge vethe,t notice See dealer first available order direct Call 1ZJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 UK EU EU U EKE Trace windshield pattern bond pa per test fit have good fit transfer pattern acetate Attach windshield model applying RC/56 glue sparingly back lower side portions apply glue bottom front window comes up around cowl top Glue ap plied top cowl needed hold acetate will leave un sightly mess After glue lower sides back windshield dry glue top fuselage cross member wing front location used %2-wide red adhesive-backed RC decorating tape stripe windshield bottom side window frames cut bond paper Paint same color fuselage glue thin acetate sheet back side Glue window assembly place fuselage fuselage stripes A6-wide red adhesive-backed decorating tape sold RC model supplies department Fix strips hot air blow dryer Dec orating tape sold drafting supplies usu ally does stick well generally will withstand much handling side fuselage Final assembly Attach top wings place fuselage applying glue four corners center section Glue horizontal tail place making sure thing straight true Measure tips wings tips tail side sure squareness Also check sighting back plane front dry tarn plane upside down attach bottom wings card stock strut tabs fit slots wing strut mounts horizontal stab wings straight true glue vertical tail place apply glue rear rudder portion allow flight changes flying field Pretension braid motor Make up motor using four strands two loops A-in FM Rubber about 25 long use Sig rubber will need Y6-wide thick Lubricate rubber before inserting fuselage use Roger Tay lors lube available Peck-Polymers does contain castor oil can attack rubber after short period time Install motor plane hold end loops liffle finger Put other loop winder crank about 75 80 turns backwards Change loops wind same num ber turns backwards second loop sure crank backwards winds loop separately Now put both loops winder wind fly Hold model carefully let prop unwind Remove nose block inspect motor should ap pear braided bunched up tail nose plane motor too tight allow prop freewheel unwound remove motor start 174 Model Aviation EuuflEumuuuuuuumN Like Chicago Model Hobby Show 4Yo Planes Cars boats trains Cames ssones Radio Control/ed Static Plastic & Morel Open ta Trade Only March 2-3 Sponsored Radio Control Hobby Trade Association RCHTA Co-Sponsored Model Railroad Industry Association MRIA Lots Fun Lots Features Boat Pond Car Track Model Railroad Demonstrations OS ge CoNev%JSeer 8003235155 rid Canada IllllllJllJJJJJllJJlllJIJJJJllJlJlllllJJlJJllllJllllllIllluI[v32][b234914333013013190]] over using less backwards turns separately loop Hying Wind about 200 turns Lock prop pin rear nose block balance model point shown plans adding clay nose tail needed Select calm day test flying wind should two three miles per hour order properly trim glide portion flight Wind 200 turns motor launch model wind Observe glide Trim glide path adjusting tail surfaces Biplanes known graceful long flat glides descent should least flat CaBlnair has nicest glide biplane have ever seen fly satisfied glide launch 300 turns begin evaluating powered portion flight downthrust built model case power stall amount downthrust will need increased Trimming out new model should painless establish glide first moving tail surfaces establish powered flight thrust adjustments powered flight requires changes stabilizer rudder will need go back re-establish glide Increase power slow steps work powered flights increases should 100 additional turns compared last flight plane may ready higher power could spiral ground enough speed severely dam age plane Patience key word Never try adjustment time took lot time build model take little make fly well After proper flight trimming planes like seldom damaged flying CaBlnair great flier very sta ble glide very satisfying flat gentle descent adds nicely length flight prototypes original flight pattern left under power right glide changed right power pattern match glide two reasons right power pat tern will gain altitude power glide patterns same direc tion dont have walk far flights retrieve model Once model flying well x 25-in four-strand motor can work different rubber size motor length depending final weight mod el size flying field Experi ence thrill watching CaBlnair climb high sun shining through tissue cruises over head Its joy Dragonfly/H u nton Continued page 74 parts subassemblies smooth breaking rounding sharp edges Parts can pre primed time sealer clear dope Attach /8-in-sq hardwood front back wing reinforcement strips main wing panel over wax paper flat build ing board Use pencil draw accurate lines locate tail booms Glue booms place wing noting inboard wing longer outboard panel Attach horizontal stabilizer three booms Add bellcrank mount rud ders wing tips tip holes goes left side holes positioned top Glue firewall fairings place using solid member top two re maining pieces mount either side cen ter tail boom bottom Continued page 181 176 Model Aviation new Dragonfly just off board two well used serviceable prototypes background cyanoacrylate accel erator repairs kind can made contest during match au thor involved match both models got clobbered engines knocked off Both contestants en gines back models back air doing battle again before clock ran out matchs five-minute time limit
Edition: Model Aviation - 1989/02
Page Numbers: 70, 71, 72, 172, 174, 176
FREE FLIGHT SCALE sport modelers stirred sight rubberpowered biplane air few indeed own experience can say biggest thrills modeling suc cessful launch flight biplane built own hands obeying conunands built After completing construction article based Sig Cabinaire kit see Bostonair Model Aviation June 1988 Larry Kruse suggested another project based Cabinaire Lany said great flying Cabinaire seemed just beg another set wings hadnt thought myself knew immediately right just weak moment Larry also agreed help give project name Since have always problem thinking names projects jumped chance think came up great name CaBlnair Now due apolo gies Paul Mdflrath designer fine Sig kit goes another Cabinaire variant Just Bostonair exact re duction Cabinaire true enlargement larger captures Cabinaire flavor really has lot dif ferences plane designed outdoor mod el select balsa materials accordingly Fu selage longerons wing leading edge etc should firm strong enough job properly Fuselage uprights crosspieces aft wing area excep tion rear motor peg should fairly light balsa landing gear wing mount areas need firm balsa nose also good place heavier balsamost models need added weight nose bal ance flying anyway fairly new type modeling will soon develop feel balsa strength grain type required part model very good study grain found balsa its uses cluded Sig catalog Fuselage Cover plans thin kitchen 70 Model Aviation Top it sure looks like could model airplane aviations Golden Age really variation Paul Mcllraths Cabinaire theme lower windshield line colored self-stick tape Above Doll up modell Detailing such exhaust pipes instrument panel fuselage stripes easy doesnt put very much weight adds lot class wrap Build two fuselage sides over top other next step pre pare single-edge razor blade Cut half use dissecting scissors creating two nar row blades Apply strip masking tape cut end protect fingers during use fuselage side frames dry separate carefully blades just made starting front working aft separate tail post Leave tail post glued help keep things lined up properly during next step Add crosspieces working forward Make sure sides exacfly vertical Also keep sides symmetrical follow ing top plan view Glue F-i add F-2 through F-5 Add stringers between F-i F-3 between F-i F-4 Also add stingers between F-5 landing gear area cross member cowl top bottom covered 1/32 sheet balsa Make paper pattern Check pattern exact fit before cut ting balsa Soak balsa water laced household ammonia until will bend required curvature ease use about 30% ammonia 70% water top bottom cowl wrappers place glue dry apply sand ing sealer same time also brush sealer underside / balsa keep warping sagging between formers after everything dries interest simplicity could omit fuselage stringers will add some strength structure lot character finished model Bend 031 music wire landing gear us ing pattern plan Sandwich wire between two L-ls clamp tight until glue dries Cut wheel pant pieces soft balsa laminate carve streamline shape Make wheels balsa using balsa circle cutter Laminate wheel wood cross grain February 1989 71 Weight materials used build model important Keep light best flying qualities especially aft wing authors model weighed just 1% oz rubber motor Scalelike qualities aBInair evident point view good propor tions Free Flight flying Registration numbers wing authors AMA numbers Graceful outlines please eye Sunburst pattern registration numbers cut tis sue laid piace Dope thinner applied adhesion doped surface beneath Model sent off good flight hand iaunch author stiff breeze Its good windy weather flier though adjusting best done littie no wind Full-Size Plans Available Page 194 LAMINATED WING ripsSTEA SQ DALSAm c NATELEADING EDGE UPPER WING RIB DINT BALSA CGEAJS WING RIMSI __1 LOWER WING BIBTINT NA ROP N RDFTDNI ~RDND DADEEUPPER WING PLAN GIGE WINDOW FRAMENTNORG MALNA7 WI m INALNA-NTTAT ICPA BALSA COWL ROTTOM TI ill I DIE GADGIAWTIN BALSA &GRABRIRBADIDDROLOO DIGEDRATTAILING EDGE IAN RALSA LORAIN WAS IIELAAIAGTICAS OP AID II I BASSWOOD STRON GOAILABLO I/IN NA FEAR RECERALTUERN RALSA CAT SLITS FOE CARE GOODEBALSA PIECES OP DIIANGBALSA ____ BALSA SENGRATECNTDB FIN FOE FLIGOT AOJUSTNEENTSFIT STOALIDER ___________ STABILIZER WING TEST-AIAVIG LAM SAGNAWOOD SEE FUSELAGE DETAIL NOTE CAT STOMILIDEE RON WIPE SEPT ITS DISEETALWINDSDEEEN ATNTTAT ATTACEALES STOOBDW RLACT SPEAK SPEAR TARSMR STARES ANTE ITIE DARE/ FUSELAGE MALSA WING STTCTS/ FRONT VIEW NW DISEER LEW BRLNA AT STRAT ATTALOLTR NA BALSA0 READ LI WGEKL FOOTS N LANGlAOl MW LANDING CABINAIR /4 LOWER WING PLAN NPAESTO ARE IANVBOTTOM BALSA TETILT SEALED BIBSALL TNSTIGRALSO PEON MOTORSANE NANT PEGBALSA NOSENTIS BALSA BLOCKPASTERN PTSO50 BOAT OBOESA BEGXTT EASE BOOSGOOD EGUNDFORWARDEALNA NIFl SORE 0/TO NALEN WA AR ITE NA BALSABALSAFILL WIPE BALSATA NA BALSA STRINGER LOCATIAN7 GLUED TARELEI -WING REST"N.ITIR BALSA EEDAGST FIRES BONDWING EPOJROT ~-FUSELAGE SIDE VIEWSABER FLY WITO B PEAE-PWAMEEANATE PROTOTYPE BAGEL WEbBED SO-DO ANARN REAGY PD FLT PLASTIC PROP WITS LAMAB HEEL PANPNO LAMINATIONSISALADEG TO SEAM ALAD IS BOO E FOE BALLECE PROP STOPOF EAN NAFT BALSA NOREPPOWER MODAL WRY SSBWOES OF TB PAl BARBER OS OR TEAT MODEL AVIATION SCALE LIKE SPONT F/F RUBBER POWERED MEL DESIGNED BY PERRY PETERSON IINKED JOE DEMARCO FUSELAGE TOP VIEW Cut groove back wheel pant short vertical portion land ing gear wire can recessed After wheels sanded sealed painted black trap wheel pants landing gear wire apply quick-set ep oxy sparingly place wire recessed wheel pant groove Attach ment way will prevent pants Afalling down Before used method always pain constantly have tilt pants back right posi tion Either front back would sag down after flight Brush three four coats sanding sealer wheel pants allow dry sand between coats before adding color Cover wheels masking tape painted wheel pants Pactra yellow enamel spray can paint sold plastic model supplies Spray couple easy light coats use just enough covers paint can add weight hurry landing gear assembly can now glued fuselage location shown plans Flying surfaces curved outlines made using four laminations 012 x /6 basswood strips available Peck-Poly mers Using plan trace inside curved outline sheet bond paper Make template transferring pattern piece poster board Coat edges template wax help prevent stick ing during laminating process use crayon select light color dark color transferred basswood wont look good Dip basswood strips water will bend easierno need soak Stack strips tape end template Slowly pull stack strips around form applying steady pressure go tape other end Apply thin cyano acrylate glue CyA both edges basswood allowing glue penetrate tween strips capillary action Round edges basswood sandpaper before removing form strips now ready pin place build flying surfaces over plans Cut wing ribs lightweight Cgrain /16 balsa sheet Pin A6 x %-in trail ing edge wing plan Pin ribs plan gluing trailing edge Line up wing spar notches tip ribs trim front back ribs needed Add hard balsa %2 leading edge A6 balsa spars Cut tip rib spar notches deeper needed before adding spars wing tips dry remove structure plan final-shape tip ribs well leading trailing edges Constructing tapering wing tips manner assures smooth wing tips Build top wings center section piece propping up wing tips amount dihedral marked plans tail surfaces built over plan us ing medium-weight 6-sq balsa stock curved outlines laminated basswood Continued page 173 Fuselage stringers strengthen structure add its pleasant shape Wheel pants should made lightest balsa can find Overall structure both light strong Curved wing tall outlines easy lamination method described text 72 Model Aviation COWL TOP THE TWELFTH ANNUAL IMODELSPORT&HOBBYSHOWI INDUSTRY MEMBERS ONLY FRIDAY JAN 131989 10am- 5pm GENERAL PUBLIC RDAY JANUARY 14 1989 10am -6 pm GENERAL PUBLIC AY JANUARY 15 1989 10 am 5 pm 11 SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS OF MODEL AIRCRAFT MODEL ENGINES GIANT RAFFLE L BOATS RADIO CONTROL SYSTEMS SHOP MODEL CARS LING ACCESSORIES * POND e AR TRACK wwu /* sw WEfT/ ADMISSION Adults $5 00 under 13 -$300 under 6 free adult STATIC DISPLAY COMPETITION IN MANY CATEGORIES see.cc ee INTERNATIONAL MODELER SHOW OFFICE P0 Box 10127 Costa Mesa CA 92627 Ph 714 5484700 yet also very functional Just three months after victory Cleveland Rudy Kling Frank Haines victims fatal crash Miami Air Races us stunned felt terrible sense loss Kling Haines onetwo start Miami race both stalled out first pylon turn Although have never seen mentioned other accounts Chicago Tribune reported gusty winds present racers tight pylon turn likely near stall speed wind shear several miles per hour could produce fatal stall Also excitement close race pilot could easily exceed safe flight limits Its possible too Jupiter very marginal stability SK-4 later design very similar Jupiter also crashed killing pilot Most articles mention Rudy relatively inexperienced rather low overall flight time Yet having flown Suzie several races Jupiter least several times unquestionably acquired considerable piloting skills Anyone could fly high-speed plane narrow-tread gear tiny wheels off dirt fields clearly has what takes Moreover experience no guarantee against disaster Veteran air racer Art Chester killed pylon turn much docile aircraft Jupiter shown itself Jupiter crashed red spinner popped off hardly damaged Fritz Kling kept garage years After war several us rode Harleys habit stopping garage gas up talk Fritz red spinner would remind us days used Rudy quite bit older although didnt really know him well plenty opportunity form some impressions rather short average build quiet neither stufI nor arrogant Rudy always friendly grin willingly cordially answered questions put him scrawny fannboy bib overalls CaBinair/Peterson Continued page 72 Covering Prepare covering brash ing clear dope anywhere plan glue tissue outside framework plan apply piece tissue Without dope application glue water solution used attach tissue will seep wood too fast causing warped fly ing surfaces requiring second applica tion during covering process Select good quality tissue covering used yellow Japanese tissue Oldtimer Models Make sure tissue grain spanwise flying surfaces lengthwise fuselage cant tell grain direction holding up light try small tear tissue will tear easily straight against grain Try avoid heavier domestic tissues have little no grain characteristics Such covering tissue may available colors heavier does manip ulate well Use soft water color brush paint solution 50% white glue 50% water outside framework area covered Lay tissue over framework gently pat down pull out wrinldes go dry carefully trim away excess tissue sharp razor blade cover lower wing mount area because glue used attach wing will bond well enough doped tis sue everything covered shrink tissue misting water satur ate want just little sag tis sue use plastic spay bottle adjusta ble spray nozzle sold garden supply coun ters Finishing Brush thinned coat nonshrink dope Sig Lite-Coat good buty rate dope Old-timer Models sells good non-shrink nitrate dope wing sun burst stripes cut red tissue laid place dope thinner brushed soften dope underneath create bond Numbers cut black tissue applied same way Continued page 174 172 Model Aviation EEEEEUEEEEE... MANUFACTURED WITH THE PUREST FINEST QUALITY INGREDIENT VlILABtE * Superior Igniters Improve starting idle acceleration Youll notice power bargain fuels * Special Detergents Promote clean burning prevent residue buildup * Rust Inhibitors Protect engines corrosion After run oil needed engines * Film Strength Additives Increase lubricity provide extra lean run protection * Anti-Wear Additives Help keep engines running peak performance longer * Satisfaction Guaranteed SIG CHAMPION2-STROKEFUEL FREIGHT FREE SHIPPINGON ORDERS OVER$1500 ECT PINT QUART GALLON 55 GAL DRUM 0% Nitromethane $315 $450 $1075 $19695 5% Nitromethane $365 $525 $1275 $26495 10% Nitromethane $415 $550 $1475 $32995 15% Nitromethane $430 $635 $1675 $38995 25% Nitromethane $515 $795 $2195 $52495 35% Nitromethane $595 $925 $2695 $66995 SIG PREMIUM 4-STROKE FUEL 10% Nitromethane $1425 $29995 15% Nitromethane $1625 $36495 THE CHOICE OF CHAMPION f-tXERS over 20 years SIG has blending finest quality model engine fuel available using finest quality ingredients instance Methanol use 995% pure very best grade money can buy also use real 100% pure Nitromethane get full measure youve paid based honest percentage-of-volume method percentage weight SIG fuels con tain 50-50 blend Bakers purest AA Castor Oil new improved Klotz Techniplate Synthetic Racing Oil maximum engine lubrication protection Based experience sincerely believe finest quality fuel can made price dont take word try some judge yourselfPrices subject charge vethe,t notice See dealer first available order direct Call 1ZJ 800-247-5008 toll free orders Latest Catalog $300 SIG MANUFACTURING CO Montezuma IA 50171 UK EU EU U EKE Trace windshield pattern bond pa per test fit have good fit transfer pattern acetate Attach windshield model applying RC/56 glue sparingly back lower side portions apply glue bottom front window comes up around cowl top Glue ap plied top cowl needed hold acetate will leave un sightly mess After glue lower sides back windshield dry glue top fuselage cross member wing front location used %2-wide red adhesive-backed RC decorating tape stripe windshield bottom side window frames cut bond paper Paint same color fuselage glue thin acetate sheet back side Glue window assembly place fuselage fuselage stripes A6-wide red adhesive-backed decorating tape sold RC model supplies department Fix strips hot air blow dryer Dec orating tape sold drafting supplies usu ally does stick well generally will withstand much handling side fuselage Final assembly Attach top wings place fuselage applying glue four corners center section Glue horizontal tail place making sure thing straight true Measure tips wings tips tail side sure squareness Also check sighting back plane front dry tarn plane upside down attach bottom wings card stock strut tabs fit slots wing strut mounts horizontal stab wings straight true glue vertical tail place apply glue rear rudder portion allow flight changes flying field Pretension braid motor Make up motor using four strands two loops A-in FM Rubber about 25 long use Sig rubber will need Y6-wide thick Lubricate rubber before inserting fuselage use Roger Tay lors lube available Peck-Polymers does contain castor oil can attack rubber after short period time Install motor plane hold end loops liffle finger Put other loop winder crank about 75 80 turns backwards Change loops wind same num ber turns backwards second loop sure crank backwards winds loop separately Now put both loops winder wind fly Hold model carefully let prop unwind Remove nose block inspect motor should ap pear braided bunched up tail nose plane motor too tight allow prop freewheel unwound remove motor start 174 Model Aviation EuuflEumuuuuuuumN Like Chicago Model Hobby Show 4Yo Planes Cars boats trains Cames ssones Radio Control/ed Static Plastic & Morel Open ta Trade Only March 2-3 Sponsored Radio Control Hobby Trade Association RCHTA Co-Sponsored Model Railroad Industry Association MRIA Lots Fun Lots Features Boat Pond Car Track Model Railroad Demonstrations OS ge CoNev%JSeer 8003235155 rid Canada IllllllJllJJJJJllJJlllJIJJJJllJlJlllllJJlJJllllJllllllIllluI[v32][b234914333013013190]] over using less backwards turns separately loop Hying Wind about 200 turns Lock prop pin rear nose block balance model point shown plans adding clay nose tail needed Select calm day test flying wind should two three miles per hour order properly trim glide portion flight Wind 200 turns motor launch model wind Observe glide Trim glide path adjusting tail surfaces Biplanes known graceful long flat glides descent should least flat CaBlnair has nicest glide biplane have ever seen fly satisfied glide launch 300 turns begin evaluating powered portion flight downthrust built model case power stall amount downthrust will need increased Trimming out new model should painless establish glide first moving tail surfaces establish powered flight thrust adjustments powered flight requires changes stabilizer rudder will need go back re-establish glide Increase power slow steps work powered flights increases should 100 additional turns compared last flight plane may ready higher power could spiral ground enough speed severely dam age plane Patience key word Never try adjustment time took lot time build model take little make fly well After proper flight trimming planes like seldom damaged flying CaBlnair great flier very sta ble glide very satisfying flat gentle descent adds nicely length flight prototypes original flight pattern left under power right glide changed right power pattern match glide two reasons right power pat tern will gain altitude power glide patterns same direc tion dont have walk far flights retrieve model Once model flying well x 25-in four-strand motor can work different rubber size motor length depending final weight mod el size flying field Experi ence thrill watching CaBlnair climb high sun shining through tissue cruises over head Its joy Dragonfly/H u nton Continued page 74 parts subassemblies smooth breaking rounding sharp edges Parts can pre primed time sealer clear dope Attach /8-in-sq hardwood front back wing reinforcement strips main wing panel over wax paper flat build ing board Use pencil draw accurate lines locate tail booms Glue booms place wing noting inboard wing longer outboard panel Attach horizontal stabilizer three booms Add bellcrank mount rud ders wing tips tip holes goes left side holes positioned top Glue firewall fairings place using solid member top two re maining pieces mount either side cen ter tail boom bottom Continued page 181 176 Model Aviation new Dragonfly just off board two well used serviceable prototypes background cyanoacrylate accel erator repairs kind can made contest during match au thor involved match both models got clobbered engines knocked off Both contestants en gines back models back air doing battle again before clock ran out matchs five-minute time limit