AOwI Racer YOUD THINK Id defected faith Racing Scale What model ing buddies protest sight Lii Quickie thought Stunt flier thought too Still fact despite certain recent contest results Some judges just dont appreciate Underground Eight As happens however favor ite event OTS Old-Time Stunt requires use OPDs Other Peoples Designs Ive yet produce original Stunt Top picture Lii Quickie completed ready its first race model finished Pac tra Formula-U over wet-sanded auto primer base stars racing-oriented decals obtained hobby shop catering RC cars Two lightly sprayed coats polyurethane finished off Above An outboard shot showing modified Cox 049 Baby Bee engine swinging Cox 51/2 x 4 prop cut down 4-in dia Williams Bros 1-in wheels used author posed Lii Quickie Hes avowed Stunter flies Y2A CL Scale Racing diversionto relax says 62 Model Aviation 20-in-span Scale Racer fast easy-to-build fun-to-fly airplane Its great way break Class circuit breaking bank U Mike Keville model Its generally agreed Stunt community hasnt suffered result rate Lil Quickie prod uct forays /2A CL rac ing world Competition modelers some times need safety valve alternate inter est help avoid burnout Stunter can find outlet flying events such /2A rac ing Its category offers lot fun reasonable investment dont have take out second mortgage try rac ing Class anyway Class II other story alternate front end shown drawing desiring build Top Fuel version Thanks good pitman Ive able participate category total embarrassment friend Don Repp aka Wizard LaHabra seems have born Gb-Bee strapped arm Right step kinder gen tler nation Don irrepressible source valuable helpful hints Hey PAMPA brain need 8600 rpm dont think Bolly makes three-blade 5 x 3 favorite Lose white pants coach sharp cant bungle everything Like modelers Im closet Scale fan local Racing Day announced didnt take long decide build enter Scale Racer few mmutes browsing through some air racing books produced three-view attract ive Formula Owl Racer OR-7 1 De signed George Owl Lil Quickie raced Mojave 1970s name inspired Like us just cant resist quick racing event results deter mined balance speed fuel economy fast restarts Being new event Im hardly qualified suggest fuel/prop combinations though course will way Experimentation key High speeds look impressive often expense mileage andworse yetglow heads Kevilles Law states high-nitro fuel glow heads last indefinitelyduring practice about half-lap during ficial' use 25% nitro fuel during practicewhich mostly involves perfecting pit stops attempting toand 40-to60% depending ambient temperature humidity state ol family bud get actual heats Most participants agree theres no free lunch often-hilarious racing events Bolt stock Black Widow 049 get few friends together have Model specs AMA rule book higher performance order special engines solid flying wires other accessories Kustom Kraftsmanship move John McCollum Addresses sug gested sources appear end arti cle Ask local racing fraternity ad vice too love priming newcomers will welcome questions Built 1-in scale required AMA rules little Owl spans 20 inches Class prototype shown has reedvalve engine massaged Repp comes engines can tell Theyre heavy metal things go up front KK bellcrank has Monoline buttons eliminate parasite drag line clips fly 42 ft center-to-center 010 solid wire prop secrets Balance Thats So whole world waiting Try Cox gray 5/2 x 4 cut 434 diameter Ive also tried Cox Tornado 5 x 3 prop some success Guys really using radical glass-epoxy props might add blowing doors oft Prop experiments mandatory though intend get serious its basswood content design may appear bit porky side chat two excellent Mouse Racing oppo nents revealed themselves prefer heavier model seem groove better relatively bulletproof can whipped around pitman easily last point important since failure pit quickly guaranteed make also-ranjust ask tradeoff sacrifice some initial acceleration higher probability advancing next Left An inboard shot Lii Quickie showing KK belicrank setup External controls required according Class Scale Racing rules Right An inboard side view showing Goldberg elevator horn cut down per plan bolted after the finish applied Left basic fuselage blank slots cut out wing stabilizer landing gear wheel pants cheek blocks place Also shown wing/spar basic components Right partially finished upper right wing showing covered wing tip nickel weight December 1989 63 Full-Size Plans AvailableSee Page 202 I/B SO BASSWOOD LEADING EDGEKUSTOM KRAFTSMNSHIP 1/4 BALSA SHEET WING TIP NiCKEL TIP WEIGHT COVER WITH 3/32 1/4 50 SPRUCE BASSWOODI/B BALSA SHEET r- -1/4_STAB/ELEV I/B PLY HORNOPTIONAL 3/32 MOUNTBASS OR PLY I/4 PLY FIREWALL BALSA BLOCKS /4 BASSWOOD W.LJUJFUSELAGE ENGINE CYCL SIDE MOUNT WING CHEEK BLOCKS TOP VIEW /NI/4 PLYWOOD HOLES FOR CDX BLACK WIDOW SHOWN FIREWALL BALSA BLOCK COWL BOTTOM ALTERNATE CL 0 NOSE SECTION USE I/450MAPLE MUIURMUUNIS BALSA SHELl -SPAUN SHUWN IS IUR LUY U UA 1/16 PLYWOOD DOUBLERS -BOTH SIDES AIR SCOOP BEND --I064 AL STOCK MAKE 2 BEND LG PATTERN FUSELAGE 2-SE BUND NUTS 11 2-56 NUTS AND BOLTS 2 PIECE AL GEAR LG DETAIL FRONT VIEW I/B SO BASSWOOD PUSHNOD///I/B BALSA COX BLACK WIDOW/1 049 ENGINE CYLINDER OUTBOARD BALSA BLOCK BOTTOM FIREWALLAL BOLT AXLEDIA WHEELSOR7l OWL RACER LIL QUICKIE NOTE COVER ENTIRE NOSE SECTION WITH 06 OZ FiBERGLASS CLOTH 0I2345 FUSELAGE PROFILE B I/2A SCALE C/L RACER FOR CL OR U COMP DESIGNED IKE KEVILLE AMA 14220 INKED BY JOE ALTERNATE NOSE heat thing certain No matter what event Murphy lurks nearby Okay lets cut some wood Construction Begin cutting shap ing flat sheet metal two alumi num landing gear legs used K&S 064 stock obtained hobby shop sawed shape jigsaw few drops 3-in-i oil lubricant Drill holes mounting bolts wheel axles file units smooth section before bending shape plan shows basic flat pattern well bent-toshape measurements Fuselage Depending whether youre building Class II racer cut ap propriate fuselage blank outline straight piece x 3-in basswood Cut slots wing stab install gear halves see detail Blind nuts rein force holes fuselage during slam-dunk pit stops Remember Cougars deck-crushing F-14 Top Gun gentle compared average arrival CL racing Cut two main cheek blocks shape add notches accept wing landing gear Epoxy blocks place making sure theyre flush siuare around Cut firewall A-in No thats typo plywood youre weight-conscious might try 4-in carbon-fiber/end-grain balsa laminate avail able Bob Violett few other sourc es Though have no personal experience product seems years zoot item thinner A-in plywood used earlier racers simply wasnt up constant beating machines receive Install 2-56 blind nuts firewall test fit engine using four mount ing bolts once drilled firewall wee bit 64 Model Aviation Continued page 168 Left Close-up view partially finished fuselage Seen firewall chin block aluminum landing gear assembly land ing gear wheel pants made single flat piece 064 K&S aluminum stock sawn jigsaw filed smooth bent shape Above tail group components inked lines desig nate IA-in-sq basswood caps arrows signify grain direction Lark Houston TX 77025 phone 1-713/6615458 way radio has become very pop ular year racing Futaha fivechannel PCM what am using Ill fill performs near future Ive received several letters year Most come self-addressed stamped enve lopes SASE Ive answered few Ive missed Captain James M Carter writes need help explaining set up mula Ive checked back issues cant find picture article explaining ST X40 instal lation minipipes fuel cutoffs especially cowl attachments etc Please help Jim could write hook some ques tions Ill best give some brief swers Engine installation Most us put 2-in spinner engine after its screwed engine mount engine mount al ready plane Tape spinner nose about /32 space between spinner nose plane slide firewall fuselage use little epoxy its base right against back engine mount Now position engine ex actly want epoxy dries can secure firewall fuselage course youre going put mounting screws through mount firewall too think can go Fuel shuroffs use wire through firewall pinch off fuel line Cheek cowls Jim people sell mula kits tell instructions attach cheek cowls Gavin Botha writes Arlington TX find out about Q-500 Racing area Well Competition Newsletter section magazine good place start Look Sanctioned Events Calendar contests vicinity having Event 428 local nonsanctioned Races check local hobby shops Mart Soude asks what FCC license needed new frequencies No license needed unless operate Ham six-meter band interested having 500 Quarter Midget Formula built might want contact Gary Walker 2200 King St Cocoa FL 32926 phone 1-407/636-5116 Ive received quite lot contest reports year havent seen yours print yet will try run rest winter pa tient See next month Owl Racer/Keville Continued page 64 out alignment didnt notice until epoxied place fully cured course limited using three mounting bolts excessive in-flight vibration exactly helpful Install firewall slow-curing ep oxy Carve lower chin piece balsa block install Reinforce firewall short lengths dowel apply light weight fiberglass cloth overall including chin block omit last steps Trust contest doing quite nicely until firewall nearly fell off during pit stop Poor Randy Heydon frantically waving arms shouting something unintelligible Probably Whered learn build pal Before mounting engine rotate crankcase cylinder 900 counterclock wise leaving reed-valve tank upright reduce drag make priming easierand because cool guys want give appearance being competitive Sand fuselage edges rounded cross section tapering about / rear Add tail skid cutting groove fairing accept 047 other size wire Epoxy wire place reinforce glass cloth gauze Tail surfaces Cut vertical fin A-in balsa glue place -insq basswood caps Use good model ce ment such Sig-ment Ambroid sands easily epoxy CyA aliphatic resin fact some among group can sanded prototype used same balsaand-basswood construction stab elevator used fin found bit hassle probably worth effort good substitute would % plywood basswood Though slightly heavier its much practical As concession nostalgia used small over-and-under cloth hinges balsaand-basswood version could use small nylon hinges forewarned cut ting hinge slots A-in material requires great patience sense humor choose ply all-basswood version Figure-8 sewn hinges recommended Note elevator hinged side reduces drag weight also obliges lazy streak Sand components knife-edged symmetrical section drill holes control horn used Goldberg horn cut down shown bolted after finish applied Glue hinged predrilled assem bly fuselage again carefully noting alignment Wing Choose light firm grade -in sheet balsa wing blank Cgrain stock ideal Using Sig-ment Am broid same reasons noted above edge-glue sheets together cut blank outline Note grain direction -in-sq tips also note leading edge cap A-in-sq basswood Make spar/bellcrank mount two pieces -in-sq spruce other hard wood certain spar fits tightly Also use extra care cutting spar open ing Cut slot bit undersized finesse sanding stick until spar assembly accurate press-fit Install using cellulose cement Cut circle size nickel Note Henri Use 20 pfennig coin out board tip accept coin tip weight Cut two circles % balsa again us ing model cement glue over top bottom grain running spanwise Drill hole bellerank bolt cut shallow groove plywood leadout guide shape blank using large sanding block Razor planes will make mess hardwood cross-grained tips Taper blank toward tips shape semisymmetrical airfoil sanding block Start 80-grit paper progress increasingly finer grades airfoil way world168 Model Aviation Want go vertica1 MiniJet Series 84 Skyheak Pil Tue shark sill silos yoi icrlike pert oreacce ni th out hessle ef darted tkn er eapen Beth kits balsa canstrurtien alt h spar etegs p tan arc emeedate standerd serse 4 chaeael radt systesi atil acceet 20 te 28 size englees F esce prinna pertersanceinet 21 nr 25 rear en heist engines Ak ii sasenhet nire docile liner secede Thene kits tnt late zediate flyer itfer plans ranspies tnt A-A Skyhewk F-20 Tigerahark shn eish arrant i huild$1511 Plans34 ning spin3h aininpia & Canipy $1111 Plans mithIS sq arei331 nq area tither prsd arts asa ilnhlePiel Injettinn fressiti length38 moatS Pans Mars Wizard flees Insnsstiae Mndel Pta$4500 r siio s/ti14801$300 S/ti darts 8811 fits & Puss Send check Money Order COD add $3- Ft Res add 6% sales tax305 5814477 PARRISH Al RCRAFT ft Scale Models 11258W 49th Ter. Plantation FL 33317 44 415 342 5581 GOLDEN GATE HOBBIES PO BOX 282005 SAN FRANCISCO CA 94128 M/C OR C0D CATALOG $ 200 OR FREE WiTH ORDERS HATORI BLUEPRINTS SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4fT $ 5 HA TORI RA DIGICON IMMSK WE NEED DEALERS FIBERGLASS PARTS Over 237 cowls kit scratch built models Also over 34 round cowls ranging 4 14-7/8 diameter 55 duff size & shape wheel pants custom Make Parts Vacuum Form Canopies Plum amid $1 couplet Eat TU FIBERDLASS SPECIALTIES 38624 Mt Kisco Dr Sterling Hgts Ml 48310 PHONE 313 978-2612 BRAZED & HEATTREATED WIRE GEARS & CABANES PHONE 313261-9064 famous LAR-type section Looks About Right Note slight degree washout shaped tip habit Free Flight days follows fullscale practice aid low-speed sta bility landings model would proba bly fly just well better washout some habits die hard Fuss foil until wing fits snugly fuselage opening install epoxy Measure align thing wing true square tail surfaces After assembly has cured add small fillets Epoxolite other material install lead-out guide Starting look pretty racy isnt Temporarily hook up controls check freedom movement Because short distance between bellcrank horn no pushrod guide usednor has seemed necessary Bet Ill hear about Remove controls sand entire model preparation finishing Finishing four basic things re member 1 cant enough sanding 2 sure products compatible 3 can anything want long style 4 An expert out town model shown finished Pac tra Formula-U over wet-sanded auto primer base Initial filler coats five mixture Sig Lite Coat talcum sure prime aluminum landing gear legs unless like flaking paint Markings obtained hobby shop caters RC cars Such shops fer incredible variety racing-oriented decals plan compete sure clude AMA number upper right wing panel Two light coats clear poly urethane sprayed overall some great hints obtaining truly Concourse finish write Windy Urtnow ski Pro-Stunt Products Ask free catalog its com plete source CL-oriented items available today may somewhat dazzled enthusiasm runs honest game mirrorlike finish goal Windy master Install set 1-in wheels using bolts soldered retaining nuts Kustom Li PRODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes * Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassed Wa C Kraftsmanships /2A racing wheels Wil liams Bros WW I-style wheels have both used prototype either case recommend bonding tires hubs few drops slow-setting CyA us ing Williams Bros wheels insert short lengths brass tubing bushings plas tic hubs otherwise its going short day ol flying field After perma nently installing controls check bal ance point adjust required Flying Caution Use steel wires must minimum 010 solid wire 008 stranded cables de sign use Dacron other string-type wires Youll need hard level surface Let model gain speed release dont yank up Because gyroscopic force called P factor associated high torque racers tend roll few full-scale P-51 F4U drivers have discov ered hard waywhile hanging upside-down shoulder harnesses Some modelers counteract P-factor using left-hand props crankshafts rac ing models nickel placed out board tip also helps Offset will though fact remains too soon too much Vary fuel props aiming 3035 laps per tank maintaining good speed will drive nuts Races basically engine-starting con tests theyre won lost pits Prac tice getting model pitman quickly He/she will goes say ing have refueled back air three seconds flat he/she does need talk Please have person contact once Races won lost workbench toostrength alignment critical success Dont let Lil Quickies simplic ity lull carelessness Dont let Need Speed rush construction Fly safely above have fun Sources engines solid flying wires other accessories Kustom Kraftsmanship PO Box 3010 Fallbrook CA 92028 Pro-Stunt Products 9 Union Ave Little Ferry NJ 07643 Bob Violett 1373 Citrus Rd Winter Springs FL 32708 CL Aerobatics/Fancher Continued page 65 obstacles would have surmounted Both airplanes would have very closely matched Similar designs weights wing loadings would very important would wellmatched flight trim Power plants props would have tailored match another well difference acceleration takeoff de pending what engine/prop combination em ployed can substantial Apart mechanical aspects ships themselves probably demanding skill would entirely new oreogra phy Will mentioned passing can see developing plan does what does would essential might area friends Combat circle could find themselves up us since routinely must deal problems crossed lines thing know sure going practice choreography flying buddy should done behind closed doors About 10 minutes two supposedly ma ture adults standing front yard engaging circular pas de deux right arms ex tended heavenward doing imitations Bill Werwage imitating Fox 35 will almost cer tainly have modeling-disadvantaged' neighbors dialing 911 other item Will went say want sing praises Nostalgia-Era Stunt era tm thrilled As soon have biplane built next years Stunt season told Will marched slightly different drummerTed Im planning Steve Wooley Argus painted Steves origi nal pond-slime green paint job last item perfect lead-in announce Second Annual Vintage Stunt Championships produced directed dynamic duo Mike JoAnn Keville followed media reviews last years first annual event know what great success wasand next years looks better ever However theres great big change should aware Next years event planned March 24-25 1990 will held SilverContinued page 172 December 1989 169 h P4dormance PO Box 16621 Irvine CA 92714 714250-1107
Edition: Model Aviation - 1989/12
Page Numbers: 62, 63, 64, 168, 169
AOwI Racer YOUD THINK Id defected faith Racing Scale What model ing buddies protest sight Lii Quickie thought Stunt flier thought too Still fact despite certain recent contest results Some judges just dont appreciate Underground Eight As happens however favor ite event OTS Old-Time Stunt requires use OPDs Other Peoples Designs Ive yet produce original Stunt Top picture Lii Quickie completed ready its first race model finished Pac tra Formula-U over wet-sanded auto primer base stars racing-oriented decals obtained hobby shop catering RC cars Two lightly sprayed coats polyurethane finished off Above An outboard shot showing modified Cox 049 Baby Bee engine swinging Cox 51/2 x 4 prop cut down 4-in dia Williams Bros 1-in wheels used author posed Lii Quickie Hes avowed Stunter flies Y2A CL Scale Racing diversionto relax says 62 Model Aviation 20-in-span Scale Racer fast easy-to-build fun-to-fly airplane Its great way break Class circuit breaking bank U Mike Keville model Its generally agreed Stunt community hasnt suffered result rate Lil Quickie prod uct forays /2A CL rac ing world Competition modelers some times need safety valve alternate inter est help avoid burnout Stunter can find outlet flying events such /2A rac ing Its category offers lot fun reasonable investment dont have take out second mortgage try rac ing Class anyway Class II other story alternate front end shown drawing desiring build Top Fuel version Thanks good pitman Ive able participate category total embarrassment friend Don Repp aka Wizard LaHabra seems have born Gb-Bee strapped arm Right step kinder gen tler nation Don irrepressible source valuable helpful hints Hey PAMPA brain need 8600 rpm dont think Bolly makes three-blade 5 x 3 favorite Lose white pants coach sharp cant bungle everything Like modelers Im closet Scale fan local Racing Day announced didnt take long decide build enter Scale Racer few mmutes browsing through some air racing books produced three-view attract ive Formula Owl Racer OR-7 1 De signed George Owl Lil Quickie raced Mojave 1970s name inspired Like us just cant resist quick racing event results deter mined balance speed fuel economy fast restarts Being new event Im hardly qualified suggest fuel/prop combinations though course will way Experimentation key High speeds look impressive often expense mileage andworse yetglow heads Kevilles Law states high-nitro fuel glow heads last indefinitelyduring practice about half-lap during ficial' use 25% nitro fuel during practicewhich mostly involves perfecting pit stops attempting toand 40-to60% depending ambient temperature humidity state ol family bud get actual heats Most participants agree theres no free lunch often-hilarious racing events Bolt stock Black Widow 049 get few friends together have Model specs AMA rule book higher performance order special engines solid flying wires other accessories Kustom Kraftsmanship move John McCollum Addresses sug gested sources appear end arti cle Ask local racing fraternity ad vice too love priming newcomers will welcome questions Built 1-in scale required AMA rules little Owl spans 20 inches Class prototype shown has reedvalve engine massaged Repp comes engines can tell Theyre heavy metal things go up front KK bellcrank has Monoline buttons eliminate parasite drag line clips fly 42 ft center-to-center 010 solid wire prop secrets Balance Thats So whole world waiting Try Cox gray 5/2 x 4 cut 434 diameter Ive also tried Cox Tornado 5 x 3 prop some success Guys really using radical glass-epoxy props might add blowing doors oft Prop experiments mandatory though intend get serious its basswood content design may appear bit porky side chat two excellent Mouse Racing oppo nents revealed themselves prefer heavier model seem groove better relatively bulletproof can whipped around pitman easily last point important since failure pit quickly guaranteed make also-ranjust ask tradeoff sacrifice some initial acceleration higher probability advancing next Left An inboard shot Lii Quickie showing KK belicrank setup External controls required according Class Scale Racing rules Right An inboard side view showing Goldberg elevator horn cut down per plan bolted after the finish applied Left basic fuselage blank slots cut out wing stabilizer landing gear wheel pants cheek blocks place Also shown wing/spar basic components Right partially finished upper right wing showing covered wing tip nickel weight December 1989 63 Full-Size Plans AvailableSee Page 202 I/B SO BASSWOOD LEADING EDGEKUSTOM KRAFTSMNSHIP 1/4 BALSA SHEET WING TIP NiCKEL TIP WEIGHT COVER WITH 3/32 1/4 50 SPRUCE BASSWOODI/B BALSA SHEET r- -1/4_STAB/ELEV I/B PLY HORNOPTIONAL 3/32 MOUNTBASS OR PLY I/4 PLY FIREWALL BALSA BLOCKS /4 BASSWOOD W.LJUJFUSELAGE ENGINE CYCL SIDE MOUNT WING CHEEK BLOCKS TOP VIEW /NI/4 PLYWOOD HOLES FOR CDX BLACK WIDOW SHOWN FIREWALL BALSA BLOCK COWL BOTTOM ALTERNATE CL 0 NOSE SECTION USE I/450MAPLE MUIURMUUNIS BALSA SHELl -SPAUN SHUWN IS IUR LUY U UA 1/16 PLYWOOD DOUBLERS -BOTH SIDES AIR SCOOP BEND --I064 AL STOCK MAKE 2 BEND LG PATTERN FUSELAGE 2-SE BUND NUTS 11 2-56 NUTS AND BOLTS 2 PIECE AL GEAR LG DETAIL FRONT VIEW I/B SO BASSWOOD PUSHNOD///I/B BALSA COX BLACK WIDOW/1 049 ENGINE CYLINDER OUTBOARD BALSA BLOCK BOTTOM FIREWALLAL BOLT AXLEDIA WHEELSOR7l OWL RACER LIL QUICKIE NOTE COVER ENTIRE NOSE SECTION WITH 06 OZ FiBERGLASS CLOTH 0I2345 FUSELAGE PROFILE B I/2A SCALE C/L RACER FOR CL OR U COMP DESIGNED IKE KEVILLE AMA 14220 INKED BY JOE ALTERNATE NOSE heat thing certain No matter what event Murphy lurks nearby Okay lets cut some wood Construction Begin cutting shap ing flat sheet metal two alumi num landing gear legs used K&S 064 stock obtained hobby shop sawed shape jigsaw few drops 3-in-i oil lubricant Drill holes mounting bolts wheel axles file units smooth section before bending shape plan shows basic flat pattern well bent-toshape measurements Fuselage Depending whether youre building Class II racer cut ap propriate fuselage blank outline straight piece x 3-in basswood Cut slots wing stab install gear halves see detail Blind nuts rein force holes fuselage during slam-dunk pit stops Remember Cougars deck-crushing F-14 Top Gun gentle compared average arrival CL racing Cut two main cheek blocks shape add notches accept wing landing gear Epoxy blocks place making sure theyre flush siuare around Cut firewall A-in No thats typo plywood youre weight-conscious might try 4-in carbon-fiber/end-grain balsa laminate avail able Bob Violett few other sourc es Though have no personal experience product seems years zoot item thinner A-in plywood used earlier racers simply wasnt up constant beating machines receive Install 2-56 blind nuts firewall test fit engine using four mount ing bolts once drilled firewall wee bit 64 Model Aviation Continued page 168 Left Close-up view partially finished fuselage Seen firewall chin block aluminum landing gear assembly land ing gear wheel pants made single flat piece 064 K&S aluminum stock sawn jigsaw filed smooth bent shape Above tail group components inked lines desig nate IA-in-sq basswood caps arrows signify grain direction Lark Houston TX 77025 phone 1-713/6615458 way radio has become very pop ular year racing Futaha fivechannel PCM what am using Ill fill performs near future Ive received several letters year Most come self-addressed stamped enve lopes SASE Ive answered few Ive missed Captain James M Carter writes need help explaining set up mula Ive checked back issues cant find picture article explaining ST X40 instal lation minipipes fuel cutoffs especially cowl attachments etc Please help Jim could write hook some ques tions Ill best give some brief swers Engine installation Most us put 2-in spinner engine after its screwed engine mount engine mount al ready plane Tape spinner nose about /32 space between spinner nose plane slide firewall fuselage use little epoxy its base right against back engine mount Now position engine ex actly want epoxy dries can secure firewall fuselage course youre going put mounting screws through mount firewall too think can go Fuel shuroffs use wire through firewall pinch off fuel line Cheek cowls Jim people sell mula kits tell instructions attach cheek cowls Gavin Botha writes Arlington TX find out about Q-500 Racing area Well Competition Newsletter section magazine good place start Look Sanctioned Events Calendar contests vicinity having Event 428 local nonsanctioned Races check local hobby shops Mart Soude asks what FCC license needed new frequencies No license needed unless operate Ham six-meter band interested having 500 Quarter Midget Formula built might want contact Gary Walker 2200 King St Cocoa FL 32926 phone 1-407/636-5116 Ive received quite lot contest reports year havent seen yours print yet will try run rest winter pa tient See next month Owl Racer/Keville Continued page 64 out alignment didnt notice until epoxied place fully cured course limited using three mounting bolts excessive in-flight vibration exactly helpful Install firewall slow-curing ep oxy Carve lower chin piece balsa block install Reinforce firewall short lengths dowel apply light weight fiberglass cloth overall including chin block omit last steps Trust contest doing quite nicely until firewall nearly fell off during pit stop Poor Randy Heydon frantically waving arms shouting something unintelligible Probably Whered learn build pal Before mounting engine rotate crankcase cylinder 900 counterclock wise leaving reed-valve tank upright reduce drag make priming easierand because cool guys want give appearance being competitive Sand fuselage edges rounded cross section tapering about / rear Add tail skid cutting groove fairing accept 047 other size wire Epoxy wire place reinforce glass cloth gauze Tail surfaces Cut vertical fin A-in balsa glue place -insq basswood caps Use good model ce ment such Sig-ment Ambroid sands easily epoxy CyA aliphatic resin fact some among group can sanded prototype used same balsaand-basswood construction stab elevator used fin found bit hassle probably worth effort good substitute would % plywood basswood Though slightly heavier its much practical As concession nostalgia used small over-and-under cloth hinges balsaand-basswood version could use small nylon hinges forewarned cut ting hinge slots A-in material requires great patience sense humor choose ply all-basswood version Figure-8 sewn hinges recommended Note elevator hinged side reduces drag weight also obliges lazy streak Sand components knife-edged symmetrical section drill holes control horn used Goldberg horn cut down shown bolted after finish applied Glue hinged predrilled assem bly fuselage again carefully noting alignment Wing Choose light firm grade -in sheet balsa wing blank Cgrain stock ideal Using Sig-ment Am broid same reasons noted above edge-glue sheets together cut blank outline Note grain direction -in-sq tips also note leading edge cap A-in-sq basswood Make spar/bellcrank mount two pieces -in-sq spruce other hard wood certain spar fits tightly Also use extra care cutting spar open ing Cut slot bit undersized finesse sanding stick until spar assembly accurate press-fit Install using cellulose cement Cut circle size nickel Note Henri Use 20 pfennig coin out board tip accept coin tip weight Cut two circles % balsa again us ing model cement glue over top bottom grain running spanwise Drill hole bellerank bolt cut shallow groove plywood leadout guide shape blank using large sanding block Razor planes will make mess hardwood cross-grained tips Taper blank toward tips shape semisymmetrical airfoil sanding block Start 80-grit paper progress increasingly finer grades airfoil way world168 Model Aviation Want go vertica1 MiniJet Series 84 Skyheak Pil Tue shark sill silos yoi icrlike pert oreacce ni th out hessle ef darted tkn er eapen Beth kits balsa canstrurtien alt h spar etegs p tan arc emeedate standerd serse 4 chaeael radt systesi atil acceet 20 te 28 size englees F esce prinna pertersanceinet 21 nr 25 rear en heist engines Ak ii sasenhet nire docile liner secede Thene kits tnt late zediate flyer itfer plans ranspies tnt A-A Skyhewk F-20 Tigerahark shn eish arrant i huild$1511 Plans34 ning spin3h aininpia & Canipy $1111 Plans mithIS sq arei331 nq area tither prsd arts asa ilnhlePiel Injettinn fressiti length38 moatS Pans Mars Wizard flees Insnsstiae Mndel Pta$4500 r siio s/ti14801$300 S/ti darts 8811 fits & Puss Send check Money Order COD add $3- Ft Res add 6% sales tax305 5814477 PARRISH Al RCRAFT ft Scale Models 11258W 49th Ter. Plantation FL 33317 44 415 342 5581 GOLDEN GATE HOBBIES PO BOX 282005 SAN FRANCISCO CA 94128 M/C OR C0D CATALOG $ 200 OR FREE WiTH ORDERS HATORI BLUEPRINTS SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4fT $ 5 HA TORI RA DIGICON IMMSK WE NEED DEALERS FIBERGLASS PARTS Over 237 cowls kit scratch built models Also over 34 round cowls ranging 4 14-7/8 diameter 55 duff size & shape wheel pants custom Make Parts Vacuum Form Canopies Plum amid $1 couplet Eat TU FIBERDLASS SPECIALTIES 38624 Mt Kisco Dr Sterling Hgts Ml 48310 PHONE 313 978-2612 BRAZED & HEATTREATED WIRE GEARS & CABANES PHONE 313261-9064 famous LAR-type section Looks About Right Note slight degree washout shaped tip habit Free Flight days follows fullscale practice aid low-speed sta bility landings model would proba bly fly just well better washout some habits die hard Fuss foil until wing fits snugly fuselage opening install epoxy Measure align thing wing true square tail surfaces After assembly has cured add small fillets Epoxolite other material install lead-out guide Starting look pretty racy isnt Temporarily hook up controls check freedom movement Because short distance between bellcrank horn no pushrod guide usednor has seemed necessary Bet Ill hear about Remove controls sand entire model preparation finishing Finishing four basic things re member 1 cant enough sanding 2 sure products compatible 3 can anything want long style 4 An expert out town model shown finished Pac tra Formula-U over wet-sanded auto primer base Initial filler coats five mixture Sig Lite Coat talcum sure prime aluminum landing gear legs unless like flaking paint Markings obtained hobby shop caters RC cars Such shops fer incredible variety racing-oriented decals plan compete sure clude AMA number upper right wing panel Two light coats clear poly urethane sprayed overall some great hints obtaining truly Concourse finish write Windy Urtnow ski Pro-Stunt Products Ask free catalog its com plete source CL-oriented items available today may somewhat dazzled enthusiasm runs honest game mirrorlike finish goal Windy master Install set 1-in wheels using bolts soldered retaining nuts Kustom Li PRODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes * Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassed Wa C Kraftsmanships /2A racing wheels Wil liams Bros WW I-style wheels have both used prototype either case recommend bonding tires hubs few drops slow-setting CyA us ing Williams Bros wheels insert short lengths brass tubing bushings plas tic hubs otherwise its going short day ol flying field After perma nently installing controls check bal ance point adjust required Flying Caution Use steel wires must minimum 010 solid wire 008 stranded cables de sign use Dacron other string-type wires Youll need hard level surface Let model gain speed release dont yank up Because gyroscopic force called P factor associated high torque racers tend roll few full-scale P-51 F4U drivers have discov ered hard waywhile hanging upside-down shoulder harnesses Some modelers counteract P-factor using left-hand props crankshafts rac ing models nickel placed out board tip also helps Offset will though fact remains too soon too much Vary fuel props aiming 3035 laps per tank maintaining good speed will drive nuts Races basically engine-starting con tests theyre won lost pits Prac tice getting model pitman quickly He/she will goes say ing have refueled back air three seconds flat he/she does need talk Please have person contact once Races won lost workbench toostrength alignment critical success Dont let Lil Quickies simplic ity lull carelessness Dont let Need Speed rush construction Fly safely above have fun Sources engines solid flying wires other accessories Kustom Kraftsmanship PO Box 3010 Fallbrook CA 92028 Pro-Stunt Products 9 Union Ave Little Ferry NJ 07643 Bob Violett 1373 Citrus Rd Winter Springs FL 32708 CL Aerobatics/Fancher Continued page 65 obstacles would have surmounted Both airplanes would have very closely matched Similar designs weights wing loadings would very important would wellmatched flight trim Power plants props would have tailored match another well difference acceleration takeoff de pending what engine/prop combination em ployed can substantial Apart mechanical aspects ships themselves probably demanding skill would entirely new oreogra phy Will mentioned passing can see developing plan does what does would essential might area friends Combat circle could find themselves up us since routinely must deal problems crossed lines thing know sure going practice choreography flying buddy should done behind closed doors About 10 minutes two supposedly ma ture adults standing front yard engaging circular pas de deux right arms ex tended heavenward doing imitations Bill Werwage imitating Fox 35 will almost cer tainly have modeling-disadvantaged' neighbors dialing 911 other item Will went say want sing praises Nostalgia-Era Stunt era tm thrilled As soon have biplane built next years Stunt season told Will marched slightly different drummerTed Im planning Steve Wooley Argus painted Steves origi nal pond-slime green paint job last item perfect lead-in announce Second Annual Vintage Stunt Championships produced directed dynamic duo Mike JoAnn Keville followed media reviews last years first annual event know what great success wasand next years looks better ever However theres great big change should aware Next years event planned March 24-25 1990 will held SilverContinued page 172 December 1989 169 h P4dormance PO Box 16621 Irvine CA 92714 714250-1107
Edition: Model Aviation - 1989/12
Page Numbers: 62, 63, 64, 168, 169
AOwI Racer YOUD THINK Id defected faith Racing Scale What model ing buddies protest sight Lii Quickie thought Stunt flier thought too Still fact despite certain recent contest results Some judges just dont appreciate Underground Eight As happens however favor ite event OTS Old-Time Stunt requires use OPDs Other Peoples Designs Ive yet produce original Stunt Top picture Lii Quickie completed ready its first race model finished Pac tra Formula-U over wet-sanded auto primer base stars racing-oriented decals obtained hobby shop catering RC cars Two lightly sprayed coats polyurethane finished off Above An outboard shot showing modified Cox 049 Baby Bee engine swinging Cox 51/2 x 4 prop cut down 4-in dia Williams Bros 1-in wheels used author posed Lii Quickie Hes avowed Stunter flies Y2A CL Scale Racing diversionto relax says 62 Model Aviation 20-in-span Scale Racer fast easy-to-build fun-to-fly airplane Its great way break Class circuit breaking bank U Mike Keville model Its generally agreed Stunt community hasnt suffered result rate Lil Quickie prod uct forays /2A CL rac ing world Competition modelers some times need safety valve alternate inter est help avoid burnout Stunter can find outlet flying events such /2A rac ing Its category offers lot fun reasonable investment dont have take out second mortgage try rac ing Class anyway Class II other story alternate front end shown drawing desiring build Top Fuel version Thanks good pitman Ive able participate category total embarrassment friend Don Repp aka Wizard LaHabra seems have born Gb-Bee strapped arm Right step kinder gen tler nation Don irrepressible source valuable helpful hints Hey PAMPA brain need 8600 rpm dont think Bolly makes three-blade 5 x 3 favorite Lose white pants coach sharp cant bungle everything Like modelers Im closet Scale fan local Racing Day announced didnt take long decide build enter Scale Racer few mmutes browsing through some air racing books produced three-view attract ive Formula Owl Racer OR-7 1 De signed George Owl Lil Quickie raced Mojave 1970s name inspired Like us just cant resist quick racing event results deter mined balance speed fuel economy fast restarts Being new event Im hardly qualified suggest fuel/prop combinations though course will way Experimentation key High speeds look impressive often expense mileage andworse yetglow heads Kevilles Law states high-nitro fuel glow heads last indefinitelyduring practice about half-lap during ficial' use 25% nitro fuel during practicewhich mostly involves perfecting pit stops attempting toand 40-to60% depending ambient temperature humidity state ol family bud get actual heats Most participants agree theres no free lunch often-hilarious racing events Bolt stock Black Widow 049 get few friends together have Model specs AMA rule book higher performance order special engines solid flying wires other accessories Kustom Kraftsmanship move John McCollum Addresses sug gested sources appear end arti cle Ask local racing fraternity ad vice too love priming newcomers will welcome questions Built 1-in scale required AMA rules little Owl spans 20 inches Class prototype shown has reedvalve engine massaged Repp comes engines can tell Theyre heavy metal things go up front KK bellcrank has Monoline buttons eliminate parasite drag line clips fly 42 ft center-to-center 010 solid wire prop secrets Balance Thats So whole world waiting Try Cox gray 5/2 x 4 cut 434 diameter Ive also tried Cox Tornado 5 x 3 prop some success Guys really using radical glass-epoxy props might add blowing doors oft Prop experiments mandatory though intend get serious its basswood content design may appear bit porky side chat two excellent Mouse Racing oppo nents revealed themselves prefer heavier model seem groove better relatively bulletproof can whipped around pitman easily last point important since failure pit quickly guaranteed make also-ranjust ask tradeoff sacrifice some initial acceleration higher probability advancing next Left An inboard shot Lii Quickie showing KK belicrank setup External controls required according Class Scale Racing rules Right An inboard side view showing Goldberg elevator horn cut down per plan bolted after the finish applied Left basic fuselage blank slots cut out wing stabilizer landing gear wheel pants cheek blocks place Also shown wing/spar basic components Right partially finished upper right wing showing covered wing tip nickel weight December 1989 63 Full-Size Plans AvailableSee Page 202 I/B SO BASSWOOD LEADING EDGEKUSTOM KRAFTSMNSHIP 1/4 BALSA SHEET WING TIP NiCKEL TIP WEIGHT COVER WITH 3/32 1/4 50 SPRUCE BASSWOODI/B BALSA SHEET r- -1/4_STAB/ELEV I/B PLY HORNOPTIONAL 3/32 MOUNTBASS OR PLY I/4 PLY FIREWALL BALSA BLOCKS /4 BASSWOOD W.LJUJFUSELAGE ENGINE CYCL SIDE MOUNT WING CHEEK BLOCKS TOP VIEW /NI/4 PLYWOOD HOLES FOR CDX BLACK WIDOW SHOWN FIREWALL BALSA BLOCK COWL BOTTOM ALTERNATE CL 0 NOSE SECTION USE I/450MAPLE MUIURMUUNIS BALSA SHELl -SPAUN SHUWN IS IUR LUY U UA 1/16 PLYWOOD DOUBLERS -BOTH SIDES AIR SCOOP BEND --I064 AL STOCK MAKE 2 BEND LG PATTERN FUSELAGE 2-SE BUND NUTS 11 2-56 NUTS AND BOLTS 2 PIECE AL GEAR LG DETAIL FRONT VIEW I/B SO BASSWOOD PUSHNOD///I/B BALSA COX BLACK WIDOW/1 049 ENGINE CYLINDER OUTBOARD BALSA BLOCK BOTTOM FIREWALLAL BOLT AXLEDIA WHEELSOR7l OWL RACER LIL QUICKIE NOTE COVER ENTIRE NOSE SECTION WITH 06 OZ FiBERGLASS CLOTH 0I2345 FUSELAGE PROFILE B I/2A SCALE C/L RACER FOR CL OR U COMP DESIGNED IKE KEVILLE AMA 14220 INKED BY JOE ALTERNATE NOSE heat thing certain No matter what event Murphy lurks nearby Okay lets cut some wood Construction Begin cutting shap ing flat sheet metal two alumi num landing gear legs used K&S 064 stock obtained hobby shop sawed shape jigsaw few drops 3-in-i oil lubricant Drill holes mounting bolts wheel axles file units smooth section before bending shape plan shows basic flat pattern well bent-toshape measurements Fuselage Depending whether youre building Class II racer cut ap propriate fuselage blank outline straight piece x 3-in basswood Cut slots wing stab install gear halves see detail Blind nuts rein force holes fuselage during slam-dunk pit stops Remember Cougars deck-crushing F-14 Top Gun gentle compared average arrival CL racing Cut two main cheek blocks shape add notches accept wing landing gear Epoxy blocks place making sure theyre flush siuare around Cut firewall A-in No thats typo plywood youre weight-conscious might try 4-in carbon-fiber/end-grain balsa laminate avail able Bob Violett few other sourc es Though have no personal experience product seems years zoot item thinner A-in plywood used earlier racers simply wasnt up constant beating machines receive Install 2-56 blind nuts firewall test fit engine using four mount ing bolts once drilled firewall wee bit 64 Model Aviation Continued page 168 Left Close-up view partially finished fuselage Seen firewall chin block aluminum landing gear assembly land ing gear wheel pants made single flat piece 064 K&S aluminum stock sawn jigsaw filed smooth bent shape Above tail group components inked lines desig nate IA-in-sq basswood caps arrows signify grain direction Lark Houston TX 77025 phone 1-713/6615458 way radio has become very pop ular year racing Futaha fivechannel PCM what am using Ill fill performs near future Ive received several letters year Most come self-addressed stamped enve lopes SASE Ive answered few Ive missed Captain James M Carter writes need help explaining set up mula Ive checked back issues cant find picture article explaining ST X40 instal lation minipipes fuel cutoffs especially cowl attachments etc Please help Jim could write hook some ques tions Ill best give some brief swers Engine installation Most us put 2-in spinner engine after its screwed engine mount engine mount al ready plane Tape spinner nose about /32 space between spinner nose plane slide firewall fuselage use little epoxy its base right against back engine mount Now position engine ex actly want epoxy dries can secure firewall fuselage course youre going put mounting screws through mount firewall too think can go Fuel shuroffs use wire through firewall pinch off fuel line Cheek cowls Jim people sell mula kits tell instructions attach cheek cowls Gavin Botha writes Arlington TX find out about Q-500 Racing area Well Competition Newsletter section magazine good place start Look Sanctioned Events Calendar contests vicinity having Event 428 local nonsanctioned Races check local hobby shops Mart Soude asks what FCC license needed new frequencies No license needed unless operate Ham six-meter band interested having 500 Quarter Midget Formula built might want contact Gary Walker 2200 King St Cocoa FL 32926 phone 1-407/636-5116 Ive received quite lot contest reports year havent seen yours print yet will try run rest winter pa tient See next month Owl Racer/Keville Continued page 64 out alignment didnt notice until epoxied place fully cured course limited using three mounting bolts excessive in-flight vibration exactly helpful Install firewall slow-curing ep oxy Carve lower chin piece balsa block install Reinforce firewall short lengths dowel apply light weight fiberglass cloth overall including chin block omit last steps Trust contest doing quite nicely until firewall nearly fell off during pit stop Poor Randy Heydon frantically waving arms shouting something unintelligible Probably Whered learn build pal Before mounting engine rotate crankcase cylinder 900 counterclock wise leaving reed-valve tank upright reduce drag make priming easierand because cool guys want give appearance being competitive Sand fuselage edges rounded cross section tapering about / rear Add tail skid cutting groove fairing accept 047 other size wire Epoxy wire place reinforce glass cloth gauze Tail surfaces Cut vertical fin A-in balsa glue place -insq basswood caps Use good model ce ment such Sig-ment Ambroid sands easily epoxy CyA aliphatic resin fact some among group can sanded prototype used same balsaand-basswood construction stab elevator used fin found bit hassle probably worth effort good substitute would % plywood basswood Though slightly heavier its much practical As concession nostalgia used small over-and-under cloth hinges balsaand-basswood version could use small nylon hinges forewarned cut ting hinge slots A-in material requires great patience sense humor choose ply all-basswood version Figure-8 sewn hinges recommended Note elevator hinged side reduces drag weight also obliges lazy streak Sand components knife-edged symmetrical section drill holes control horn used Goldberg horn cut down shown bolted after finish applied Glue hinged predrilled assem bly fuselage again carefully noting alignment Wing Choose light firm grade -in sheet balsa wing blank Cgrain stock ideal Using Sig-ment Am broid same reasons noted above edge-glue sheets together cut blank outline Note grain direction -in-sq tips also note leading edge cap A-in-sq basswood Make spar/bellcrank mount two pieces -in-sq spruce other hard wood certain spar fits tightly Also use extra care cutting spar open ing Cut slot bit undersized finesse sanding stick until spar assembly accurate press-fit Install using cellulose cement Cut circle size nickel Note Henri Use 20 pfennig coin out board tip accept coin tip weight Cut two circles % balsa again us ing model cement glue over top bottom grain running spanwise Drill hole bellerank bolt cut shallow groove plywood leadout guide shape blank using large sanding block Razor planes will make mess hardwood cross-grained tips Taper blank toward tips shape semisymmetrical airfoil sanding block Start 80-grit paper progress increasingly finer grades airfoil way world168 Model Aviation Want go vertica1 MiniJet Series 84 Skyheak Pil Tue shark sill silos yoi icrlike pert oreacce ni th out hessle ef darted tkn er eapen Beth kits balsa canstrurtien alt h spar etegs p tan arc emeedate standerd serse 4 chaeael radt systesi atil acceet 20 te 28 size englees F esce prinna pertersanceinet 21 nr 25 rear en heist engines Ak ii sasenhet nire docile liner secede Thene kits tnt late zediate flyer itfer plans ranspies tnt A-A Skyhewk F-20 Tigerahark shn eish arrant i huild$1511 Plans34 ning spin3h aininpia & Canipy $1111 Plans mithIS sq arei331 nq area tither prsd arts asa ilnhlePiel Injettinn fressiti length38 moatS Pans Mars Wizard flees Insnsstiae Mndel Pta$4500 r siio s/ti14801$300 S/ti darts 8811 fits & Puss Send check Money Order COD add $3- Ft Res add 6% sales tax305 5814477 PARRISH Al RCRAFT ft Scale Models 11258W 49th Ter. Plantation FL 33317 44 415 342 5581 GOLDEN GATE HOBBIES PO BOX 282005 SAN FRANCISCO CA 94128 M/C OR C0D CATALOG $ 200 OR FREE WiTH ORDERS HATORI BLUEPRINTS SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4fT $ 5 HA TORI RA DIGICON IMMSK WE NEED DEALERS FIBERGLASS PARTS Over 237 cowls kit scratch built models Also over 34 round cowls ranging 4 14-7/8 diameter 55 duff size & shape wheel pants custom Make Parts Vacuum Form Canopies Plum amid $1 couplet Eat TU FIBERDLASS SPECIALTIES 38624 Mt Kisco Dr Sterling Hgts Ml 48310 PHONE 313 978-2612 BRAZED & HEATTREATED WIRE GEARS & CABANES PHONE 313261-9064 famous LAR-type section Looks About Right Note slight degree washout shaped tip habit Free Flight days follows fullscale practice aid low-speed sta bility landings model would proba bly fly just well better washout some habits die hard Fuss foil until wing fits snugly fuselage opening install epoxy Measure align thing wing true square tail surfaces After assembly has cured add small fillets Epoxolite other material install lead-out guide Starting look pretty racy isnt Temporarily hook up controls check freedom movement Because short distance between bellcrank horn no pushrod guide usednor has seemed necessary Bet Ill hear about Remove controls sand entire model preparation finishing Finishing four basic things re member 1 cant enough sanding 2 sure products compatible 3 can anything want long style 4 An expert out town model shown finished Pac tra Formula-U over wet-sanded auto primer base Initial filler coats five mixture Sig Lite Coat talcum sure prime aluminum landing gear legs unless like flaking paint Markings obtained hobby shop caters RC cars Such shops fer incredible variety racing-oriented decals plan compete sure clude AMA number upper right wing panel Two light coats clear poly urethane sprayed overall some great hints obtaining truly Concourse finish write Windy Urtnow ski Pro-Stunt Products Ask free catalog its com plete source CL-oriented items available today may somewhat dazzled enthusiasm runs honest game mirrorlike finish goal Windy master Install set 1-in wheels using bolts soldered retaining nuts Kustom Li PRODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes * Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassed Wa C Kraftsmanships /2A racing wheels Wil liams Bros WW I-style wheels have both used prototype either case recommend bonding tires hubs few drops slow-setting CyA us ing Williams Bros wheels insert short lengths brass tubing bushings plas tic hubs otherwise its going short day ol flying field After perma nently installing controls check bal ance point adjust required Flying Caution Use steel wires must minimum 010 solid wire 008 stranded cables de sign use Dacron other string-type wires Youll need hard level surface Let model gain speed release dont yank up Because gyroscopic force called P factor associated high torque racers tend roll few full-scale P-51 F4U drivers have discov ered hard waywhile hanging upside-down shoulder harnesses Some modelers counteract P-factor using left-hand props crankshafts rac ing models nickel placed out board tip also helps Offset will though fact remains too soon too much Vary fuel props aiming 3035 laps per tank maintaining good speed will drive nuts Races basically engine-starting con tests theyre won lost pits Prac tice getting model pitman quickly He/she will goes say ing have refueled back air three seconds flat he/she does need talk Please have person contact once Races won lost workbench toostrength alignment critical success Dont let Lil Quickies simplic ity lull carelessness Dont let Need Speed rush construction Fly safely above have fun Sources engines solid flying wires other accessories Kustom Kraftsmanship PO Box 3010 Fallbrook CA 92028 Pro-Stunt Products 9 Union Ave Little Ferry NJ 07643 Bob Violett 1373 Citrus Rd Winter Springs FL 32708 CL Aerobatics/Fancher Continued page 65 obstacles would have surmounted Both airplanes would have very closely matched Similar designs weights wing loadings would very important would wellmatched flight trim Power plants props would have tailored match another well difference acceleration takeoff de pending what engine/prop combination em ployed can substantial Apart mechanical aspects ships themselves probably demanding skill would entirely new oreogra phy Will mentioned passing can see developing plan does what does would essential might area friends Combat circle could find themselves up us since routinely must deal problems crossed lines thing know sure going practice choreography flying buddy should done behind closed doors About 10 minutes two supposedly ma ture adults standing front yard engaging circular pas de deux right arms ex tended heavenward doing imitations Bill Werwage imitating Fox 35 will almost cer tainly have modeling-disadvantaged' neighbors dialing 911 other item Will went say want sing praises Nostalgia-Era Stunt era tm thrilled As soon have biplane built next years Stunt season told Will marched slightly different drummerTed Im planning Steve Wooley Argus painted Steves origi nal pond-slime green paint job last item perfect lead-in announce Second Annual Vintage Stunt Championships produced directed dynamic duo Mike JoAnn Keville followed media reviews last years first annual event know what great success wasand next years looks better ever However theres great big change should aware Next years event planned March 24-25 1990 will held SilverContinued page 172 December 1989 169 h P4dormance PO Box 16621 Irvine CA 92714 714250-1107
Edition: Model Aviation - 1989/12
Page Numbers: 62, 63, 64, 168, 169
AOwI Racer YOUD THINK Id defected faith Racing Scale What model ing buddies protest sight Lii Quickie thought Stunt flier thought too Still fact despite certain recent contest results Some judges just dont appreciate Underground Eight As happens however favor ite event OTS Old-Time Stunt requires use OPDs Other Peoples Designs Ive yet produce original Stunt Top picture Lii Quickie completed ready its first race model finished Pac tra Formula-U over wet-sanded auto primer base stars racing-oriented decals obtained hobby shop catering RC cars Two lightly sprayed coats polyurethane finished off Above An outboard shot showing modified Cox 049 Baby Bee engine swinging Cox 51/2 x 4 prop cut down 4-in dia Williams Bros 1-in wheels used author posed Lii Quickie Hes avowed Stunter flies Y2A CL Scale Racing diversionto relax says 62 Model Aviation 20-in-span Scale Racer fast easy-to-build fun-to-fly airplane Its great way break Class circuit breaking bank U Mike Keville model Its generally agreed Stunt community hasnt suffered result rate Lil Quickie prod uct forays /2A CL rac ing world Competition modelers some times need safety valve alternate inter est help avoid burnout Stunter can find outlet flying events such /2A rac ing Its category offers lot fun reasonable investment dont have take out second mortgage try rac ing Class anyway Class II other story alternate front end shown drawing desiring build Top Fuel version Thanks good pitman Ive able participate category total embarrassment friend Don Repp aka Wizard LaHabra seems have born Gb-Bee strapped arm Right step kinder gen tler nation Don irrepressible source valuable helpful hints Hey PAMPA brain need 8600 rpm dont think Bolly makes three-blade 5 x 3 favorite Lose white pants coach sharp cant bungle everything Like modelers Im closet Scale fan local Racing Day announced didnt take long decide build enter Scale Racer few mmutes browsing through some air racing books produced three-view attract ive Formula Owl Racer OR-7 1 De signed George Owl Lil Quickie raced Mojave 1970s name inspired Like us just cant resist quick racing event results deter mined balance speed fuel economy fast restarts Being new event Im hardly qualified suggest fuel/prop combinations though course will way Experimentation key High speeds look impressive often expense mileage andworse yetglow heads Kevilles Law states high-nitro fuel glow heads last indefinitelyduring practice about half-lap during ficial' use 25% nitro fuel during practicewhich mostly involves perfecting pit stops attempting toand 40-to60% depending ambient temperature humidity state ol family bud get actual heats Most participants agree theres no free lunch often-hilarious racing events Bolt stock Black Widow 049 get few friends together have Model specs AMA rule book higher performance order special engines solid flying wires other accessories Kustom Kraftsmanship move John McCollum Addresses sug gested sources appear end arti cle Ask local racing fraternity ad vice too love priming newcomers will welcome questions Built 1-in scale required AMA rules little Owl spans 20 inches Class prototype shown has reedvalve engine massaged Repp comes engines can tell Theyre heavy metal things go up front KK bellcrank has Monoline buttons eliminate parasite drag line clips fly 42 ft center-to-center 010 solid wire prop secrets Balance Thats So whole world waiting Try Cox gray 5/2 x 4 cut 434 diameter Ive also tried Cox Tornado 5 x 3 prop some success Guys really using radical glass-epoxy props might add blowing doors oft Prop experiments mandatory though intend get serious its basswood content design may appear bit porky side chat two excellent Mouse Racing oppo nents revealed themselves prefer heavier model seem groove better relatively bulletproof can whipped around pitman easily last point important since failure pit quickly guaranteed make also-ranjust ask tradeoff sacrifice some initial acceleration higher probability advancing next Left An inboard shot Lii Quickie showing KK belicrank setup External controls required according Class Scale Racing rules Right An inboard side view showing Goldberg elevator horn cut down per plan bolted after the finish applied Left basic fuselage blank slots cut out wing stabilizer landing gear wheel pants cheek blocks place Also shown wing/spar basic components Right partially finished upper right wing showing covered wing tip nickel weight December 1989 63 Full-Size Plans AvailableSee Page 202 I/B SO BASSWOOD LEADING EDGEKUSTOM KRAFTSMNSHIP 1/4 BALSA SHEET WING TIP NiCKEL TIP WEIGHT COVER WITH 3/32 1/4 50 SPRUCE BASSWOODI/B BALSA SHEET r- -1/4_STAB/ELEV I/B PLY HORNOPTIONAL 3/32 MOUNTBASS OR PLY I/4 PLY FIREWALL BALSA BLOCKS /4 BASSWOOD W.LJUJFUSELAGE ENGINE CYCL SIDE MOUNT WING CHEEK BLOCKS TOP VIEW /NI/4 PLYWOOD HOLES FOR CDX BLACK WIDOW SHOWN FIREWALL BALSA BLOCK COWL BOTTOM ALTERNATE CL 0 NOSE SECTION USE I/450MAPLE MUIURMUUNIS BALSA SHELl -SPAUN SHUWN IS IUR LUY U UA 1/16 PLYWOOD DOUBLERS -BOTH SIDES AIR SCOOP BEND --I064 AL STOCK MAKE 2 BEND LG PATTERN FUSELAGE 2-SE BUND NUTS 11 2-56 NUTS AND BOLTS 2 PIECE AL GEAR LG DETAIL FRONT VIEW I/B SO BASSWOOD PUSHNOD///I/B BALSA COX BLACK WIDOW/1 049 ENGINE CYLINDER OUTBOARD BALSA BLOCK BOTTOM FIREWALLAL BOLT AXLEDIA WHEELSOR7l OWL RACER LIL QUICKIE NOTE COVER ENTIRE NOSE SECTION WITH 06 OZ FiBERGLASS CLOTH 0I2345 FUSELAGE PROFILE B I/2A SCALE C/L RACER FOR CL OR U COMP DESIGNED IKE KEVILLE AMA 14220 INKED BY JOE ALTERNATE NOSE heat thing certain No matter what event Murphy lurks nearby Okay lets cut some wood Construction Begin cutting shap ing flat sheet metal two alumi num landing gear legs used K&S 064 stock obtained hobby shop sawed shape jigsaw few drops 3-in-i oil lubricant Drill holes mounting bolts wheel axles file units smooth section before bending shape plan shows basic flat pattern well bent-toshape measurements Fuselage Depending whether youre building Class II racer cut ap propriate fuselage blank outline straight piece x 3-in basswood Cut slots wing stab install gear halves see detail Blind nuts rein force holes fuselage during slam-dunk pit stops Remember Cougars deck-crushing F-14 Top Gun gentle compared average arrival CL racing Cut two main cheek blocks shape add notches accept wing landing gear Epoxy blocks place making sure theyre flush siuare around Cut firewall A-in No thats typo plywood youre weight-conscious might try 4-in carbon-fiber/end-grain balsa laminate avail able Bob Violett few other sourc es Though have no personal experience product seems years zoot item thinner A-in plywood used earlier racers simply wasnt up constant beating machines receive Install 2-56 blind nuts firewall test fit engine using four mount ing bolts once drilled firewall wee bit 64 Model Aviation Continued page 168 Left Close-up view partially finished fuselage Seen firewall chin block aluminum landing gear assembly land ing gear wheel pants made single flat piece 064 K&S aluminum stock sawn jigsaw filed smooth bent shape Above tail group components inked lines desig nate IA-in-sq basswood caps arrows signify grain direction Lark Houston TX 77025 phone 1-713/6615458 way radio has become very pop ular year racing Futaha fivechannel PCM what am using Ill fill performs near future Ive received several letters year Most come self-addressed stamped enve lopes SASE Ive answered few Ive missed Captain James M Carter writes need help explaining set up mula Ive checked back issues cant find picture article explaining ST X40 instal lation minipipes fuel cutoffs especially cowl attachments etc Please help Jim could write hook some ques tions Ill best give some brief swers Engine installation Most us put 2-in spinner engine after its screwed engine mount engine mount al ready plane Tape spinner nose about /32 space between spinner nose plane slide firewall fuselage use little epoxy its base right against back engine mount Now position engine ex actly want epoxy dries can secure firewall fuselage course youre going put mounting screws through mount firewall too think can go Fuel shuroffs use wire through firewall pinch off fuel line Cheek cowls Jim people sell mula kits tell instructions attach cheek cowls Gavin Botha writes Arlington TX find out about Q-500 Racing area Well Competition Newsletter section magazine good place start Look Sanctioned Events Calendar contests vicinity having Event 428 local nonsanctioned Races check local hobby shops Mart Soude asks what FCC license needed new frequencies No license needed unless operate Ham six-meter band interested having 500 Quarter Midget Formula built might want contact Gary Walker 2200 King St Cocoa FL 32926 phone 1-407/636-5116 Ive received quite lot contest reports year havent seen yours print yet will try run rest winter pa tient See next month Owl Racer/Keville Continued page 64 out alignment didnt notice until epoxied place fully cured course limited using three mounting bolts excessive in-flight vibration exactly helpful Install firewall slow-curing ep oxy Carve lower chin piece balsa block install Reinforce firewall short lengths dowel apply light weight fiberglass cloth overall including chin block omit last steps Trust contest doing quite nicely until firewall nearly fell off during pit stop Poor Randy Heydon frantically waving arms shouting something unintelligible Probably Whered learn build pal Before mounting engine rotate crankcase cylinder 900 counterclock wise leaving reed-valve tank upright reduce drag make priming easierand because cool guys want give appearance being competitive Sand fuselage edges rounded cross section tapering about / rear Add tail skid cutting groove fairing accept 047 other size wire Epoxy wire place reinforce glass cloth gauze Tail surfaces Cut vertical fin A-in balsa glue place -insq basswood caps Use good model ce ment such Sig-ment Ambroid sands easily epoxy CyA aliphatic resin fact some among group can sanded prototype used same balsaand-basswood construction stab elevator used fin found bit hassle probably worth effort good substitute would % plywood basswood Though slightly heavier its much practical As concession nostalgia used small over-and-under cloth hinges balsaand-basswood version could use small nylon hinges forewarned cut ting hinge slots A-in material requires great patience sense humor choose ply all-basswood version Figure-8 sewn hinges recommended Note elevator hinged side reduces drag weight also obliges lazy streak Sand components knife-edged symmetrical section drill holes control horn used Goldberg horn cut down shown bolted after finish applied Glue hinged predrilled assem bly fuselage again carefully noting alignment Wing Choose light firm grade -in sheet balsa wing blank Cgrain stock ideal Using Sig-ment Am broid same reasons noted above edge-glue sheets together cut blank outline Note grain direction -in-sq tips also note leading edge cap A-in-sq basswood Make spar/bellcrank mount two pieces -in-sq spruce other hard wood certain spar fits tightly Also use extra care cutting spar open ing Cut slot bit undersized finesse sanding stick until spar assembly accurate press-fit Install using cellulose cement Cut circle size nickel Note Henri Use 20 pfennig coin out board tip accept coin tip weight Cut two circles % balsa again us ing model cement glue over top bottom grain running spanwise Drill hole bellerank bolt cut shallow groove plywood leadout guide shape blank using large sanding block Razor planes will make mess hardwood cross-grained tips Taper blank toward tips shape semisymmetrical airfoil sanding block Start 80-grit paper progress increasingly finer grades airfoil way world168 Model Aviation Want go vertica1 MiniJet Series 84 Skyheak Pil Tue shark sill silos yoi icrlike pert oreacce ni th out hessle ef darted tkn er eapen Beth kits balsa canstrurtien alt h spar etegs p tan arc emeedate standerd serse 4 chaeael radt systesi atil acceet 20 te 28 size englees F esce prinna pertersanceinet 21 nr 25 rear en heist engines Ak ii sasenhet nire docile liner secede Thene kits tnt late zediate flyer itfer plans ranspies tnt A-A Skyhewk F-20 Tigerahark shn eish arrant i huild$1511 Plans34 ning spin3h aininpia & Canipy $1111 Plans mithIS sq arei331 nq area tither prsd arts asa ilnhlePiel Injettinn fressiti length38 moatS Pans Mars Wizard flees Insnsstiae Mndel Pta$4500 r siio s/ti14801$300 S/ti darts 8811 fits & Puss Send check Money Order COD add $3- Ft Res add 6% sales tax305 5814477 PARRISH Al RCRAFT ft Scale Models 11258W 49th Ter. Plantation FL 33317 44 415 342 5581 GOLDEN GATE HOBBIES PO BOX 282005 SAN FRANCISCO CA 94128 M/C OR C0D CATALOG $ 200 OR FREE WiTH ORDERS HATORI BLUEPRINTS SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4fT $ 5 HA TORI RA DIGICON IMMSK WE NEED DEALERS FIBERGLASS PARTS Over 237 cowls kit scratch built models Also over 34 round cowls ranging 4 14-7/8 diameter 55 duff size & shape wheel pants custom Make Parts Vacuum Form Canopies Plum amid $1 couplet Eat TU FIBERDLASS SPECIALTIES 38624 Mt Kisco Dr Sterling Hgts Ml 48310 PHONE 313 978-2612 BRAZED & HEATTREATED WIRE GEARS & CABANES PHONE 313261-9064 famous LAR-type section Looks About Right Note slight degree washout shaped tip habit Free Flight days follows fullscale practice aid low-speed sta bility landings model would proba bly fly just well better washout some habits die hard Fuss foil until wing fits snugly fuselage opening install epoxy Measure align thing wing true square tail surfaces After assembly has cured add small fillets Epoxolite other material install lead-out guide Starting look pretty racy isnt Temporarily hook up controls check freedom movement Because short distance between bellcrank horn no pushrod guide usednor has seemed necessary Bet Ill hear about Remove controls sand entire model preparation finishing Finishing four basic things re member 1 cant enough sanding 2 sure products compatible 3 can anything want long style 4 An expert out town model shown finished Pac tra Formula-U over wet-sanded auto primer base Initial filler coats five mixture Sig Lite Coat talcum sure prime aluminum landing gear legs unless like flaking paint Markings obtained hobby shop caters RC cars Such shops fer incredible variety racing-oriented decals plan compete sure clude AMA number upper right wing panel Two light coats clear poly urethane sprayed overall some great hints obtaining truly Concourse finish write Windy Urtnow ski Pro-Stunt Products Ask free catalog its com plete source CL-oriented items available today may somewhat dazzled enthusiasm runs honest game mirrorlike finish goal Windy master Install set 1-in wheels using bolts soldered retaining nuts Kustom Li PRODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes * Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassed Wa C Kraftsmanships /2A racing wheels Wil liams Bros WW I-style wheels have both used prototype either case recommend bonding tires hubs few drops slow-setting CyA us ing Williams Bros wheels insert short lengths brass tubing bushings plas tic hubs otherwise its going short day ol flying field After perma nently installing controls check bal ance point adjust required Flying Caution Use steel wires must minimum 010 solid wire 008 stranded cables de sign use Dacron other string-type wires Youll need hard level surface Let model gain speed release dont yank up Because gyroscopic force called P factor associated high torque racers tend roll few full-scale P-51 F4U drivers have discov ered hard waywhile hanging upside-down shoulder harnesses Some modelers counteract P-factor using left-hand props crankshafts rac ing models nickel placed out board tip also helps Offset will though fact remains too soon too much Vary fuel props aiming 3035 laps per tank maintaining good speed will drive nuts Races basically engine-starting con tests theyre won lost pits Prac tice getting model pitman quickly He/she will goes say ing have refueled back air three seconds flat he/she does need talk Please have person contact once Races won lost workbench toostrength alignment critical success Dont let Lil Quickies simplic ity lull carelessness Dont let Need Speed rush construction Fly safely above have fun Sources engines solid flying wires other accessories Kustom Kraftsmanship PO Box 3010 Fallbrook CA 92028 Pro-Stunt Products 9 Union Ave Little Ferry NJ 07643 Bob Violett 1373 Citrus Rd Winter Springs FL 32708 CL Aerobatics/Fancher Continued page 65 obstacles would have surmounted Both airplanes would have very closely matched Similar designs weights wing loadings would very important would wellmatched flight trim Power plants props would have tailored match another well difference acceleration takeoff de pending what engine/prop combination em ployed can substantial Apart mechanical aspects ships themselves probably demanding skill would entirely new oreogra phy Will mentioned passing can see developing plan does what does would essential might area friends Combat circle could find themselves up us since routinely must deal problems crossed lines thing know sure going practice choreography flying buddy should done behind closed doors About 10 minutes two supposedly ma ture adults standing front yard engaging circular pas de deux right arms ex tended heavenward doing imitations Bill Werwage imitating Fox 35 will almost cer tainly have modeling-disadvantaged' neighbors dialing 911 other item Will went say want sing praises Nostalgia-Era Stunt era tm thrilled As soon have biplane built next years Stunt season told Will marched slightly different drummerTed Im planning Steve Wooley Argus painted Steves origi nal pond-slime green paint job last item perfect lead-in announce Second Annual Vintage Stunt Championships produced directed dynamic duo Mike JoAnn Keville followed media reviews last years first annual event know what great success wasand next years looks better ever However theres great big change should aware Next years event planned March 24-25 1990 will held SilverContinued page 172 December 1989 169 h P4dormance PO Box 16621 Irvine CA 92714 714250-1107
Edition: Model Aviation - 1989/12
Page Numbers: 62, 63, 64, 168, 169
AOwI Racer YOUD THINK Id defected faith Racing Scale What model ing buddies protest sight Lii Quickie thought Stunt flier thought too Still fact despite certain recent contest results Some judges just dont appreciate Underground Eight As happens however favor ite event OTS Old-Time Stunt requires use OPDs Other Peoples Designs Ive yet produce original Stunt Top picture Lii Quickie completed ready its first race model finished Pac tra Formula-U over wet-sanded auto primer base stars racing-oriented decals obtained hobby shop catering RC cars Two lightly sprayed coats polyurethane finished off Above An outboard shot showing modified Cox 049 Baby Bee engine swinging Cox 51/2 x 4 prop cut down 4-in dia Williams Bros 1-in wheels used author posed Lii Quickie Hes avowed Stunter flies Y2A CL Scale Racing diversionto relax says 62 Model Aviation 20-in-span Scale Racer fast easy-to-build fun-to-fly airplane Its great way break Class circuit breaking bank U Mike Keville model Its generally agreed Stunt community hasnt suffered result rate Lil Quickie prod uct forays /2A CL rac ing world Competition modelers some times need safety valve alternate inter est help avoid burnout Stunter can find outlet flying events such /2A rac ing Its category offers lot fun reasonable investment dont have take out second mortgage try rac ing Class anyway Class II other story alternate front end shown drawing desiring build Top Fuel version Thanks good pitman Ive able participate category total embarrassment friend Don Repp aka Wizard LaHabra seems have born Gb-Bee strapped arm Right step kinder gen tler nation Don irrepressible source valuable helpful hints Hey PAMPA brain need 8600 rpm dont think Bolly makes three-blade 5 x 3 favorite Lose white pants coach sharp cant bungle everything Like modelers Im closet Scale fan local Racing Day announced didnt take long decide build enter Scale Racer few mmutes browsing through some air racing books produced three-view attract ive Formula Owl Racer OR-7 1 De signed George Owl Lil Quickie raced Mojave 1970s name inspired Like us just cant resist quick racing event results deter mined balance speed fuel economy fast restarts Being new event Im hardly qualified suggest fuel/prop combinations though course will way Experimentation key High speeds look impressive often expense mileage andworse yetglow heads Kevilles Law states high-nitro fuel glow heads last indefinitelyduring practice about half-lap during ficial' use 25% nitro fuel during practicewhich mostly involves perfecting pit stops attempting toand 40-to60% depending ambient temperature humidity state ol family bud get actual heats Most participants agree theres no free lunch often-hilarious racing events Bolt stock Black Widow 049 get few friends together have Model specs AMA rule book higher performance order special engines solid flying wires other accessories Kustom Kraftsmanship move John McCollum Addresses sug gested sources appear end arti cle Ask local racing fraternity ad vice too love priming newcomers will welcome questions Built 1-in scale required AMA rules little Owl spans 20 inches Class prototype shown has reedvalve engine massaged Repp comes engines can tell Theyre heavy metal things go up front KK bellcrank has Monoline buttons eliminate parasite drag line clips fly 42 ft center-to-center 010 solid wire prop secrets Balance Thats So whole world waiting Try Cox gray 5/2 x 4 cut 434 diameter Ive also tried Cox Tornado 5 x 3 prop some success Guys really using radical glass-epoxy props might add blowing doors oft Prop experiments mandatory though intend get serious its basswood content design may appear bit porky side chat two excellent Mouse Racing oppo nents revealed themselves prefer heavier model seem groove better relatively bulletproof can whipped around pitman easily last point important since failure pit quickly guaranteed make also-ranjust ask tradeoff sacrifice some initial acceleration higher probability advancing next Left An inboard shot Lii Quickie showing KK belicrank setup External controls required according Class Scale Racing rules Right An inboard side view showing Goldberg elevator horn cut down per plan bolted after the finish applied Left basic fuselage blank slots cut out wing stabilizer landing gear wheel pants cheek blocks place Also shown wing/spar basic components Right partially finished upper right wing showing covered wing tip nickel weight December 1989 63 Full-Size Plans AvailableSee Page 202 I/B SO BASSWOOD LEADING EDGEKUSTOM KRAFTSMNSHIP 1/4 BALSA SHEET WING TIP NiCKEL TIP WEIGHT COVER WITH 3/32 1/4 50 SPRUCE BASSWOODI/B BALSA SHEET r- -1/4_STAB/ELEV I/B PLY HORNOPTIONAL 3/32 MOUNTBASS OR PLY I/4 PLY FIREWALL BALSA BLOCKS /4 BASSWOOD W.LJUJFUSELAGE ENGINE CYCL SIDE MOUNT WING CHEEK BLOCKS TOP VIEW /NI/4 PLYWOOD HOLES FOR CDX BLACK WIDOW SHOWN FIREWALL BALSA BLOCK COWL BOTTOM ALTERNATE CL 0 NOSE SECTION USE I/450MAPLE MUIURMUUNIS BALSA SHELl -SPAUN SHUWN IS IUR LUY U UA 1/16 PLYWOOD DOUBLERS -BOTH SIDES AIR SCOOP BEND --I064 AL STOCK MAKE 2 BEND LG PATTERN FUSELAGE 2-SE BUND NUTS 11 2-56 NUTS AND BOLTS 2 PIECE AL GEAR LG DETAIL FRONT VIEW I/B SO BASSWOOD PUSHNOD///I/B BALSA COX BLACK WIDOW/1 049 ENGINE CYLINDER OUTBOARD BALSA BLOCK BOTTOM FIREWALLAL BOLT AXLEDIA WHEELSOR7l OWL RACER LIL QUICKIE NOTE COVER ENTIRE NOSE SECTION WITH 06 OZ FiBERGLASS CLOTH 0I2345 FUSELAGE PROFILE B I/2A SCALE C/L RACER FOR CL OR U COMP DESIGNED IKE KEVILLE AMA 14220 INKED BY JOE ALTERNATE NOSE heat thing certain No matter what event Murphy lurks nearby Okay lets cut some wood Construction Begin cutting shap ing flat sheet metal two alumi num landing gear legs used K&S 064 stock obtained hobby shop sawed shape jigsaw few drops 3-in-i oil lubricant Drill holes mounting bolts wheel axles file units smooth section before bending shape plan shows basic flat pattern well bent-toshape measurements Fuselage Depending whether youre building Class II racer cut ap propriate fuselage blank outline straight piece x 3-in basswood Cut slots wing stab install gear halves see detail Blind nuts rein force holes fuselage during slam-dunk pit stops Remember Cougars deck-crushing F-14 Top Gun gentle compared average arrival CL racing Cut two main cheek blocks shape add notches accept wing landing gear Epoxy blocks place making sure theyre flush siuare around Cut firewall A-in No thats typo plywood youre weight-conscious might try 4-in carbon-fiber/end-grain balsa laminate avail able Bob Violett few other sourc es Though have no personal experience product seems years zoot item thinner A-in plywood used earlier racers simply wasnt up constant beating machines receive Install 2-56 blind nuts firewall test fit engine using four mount ing bolts once drilled firewall wee bit 64 Model Aviation Continued page 168 Left Close-up view partially finished fuselage Seen firewall chin block aluminum landing gear assembly land ing gear wheel pants made single flat piece 064 K&S aluminum stock sawn jigsaw filed smooth bent shape Above tail group components inked lines desig nate IA-in-sq basswood caps arrows signify grain direction Lark Houston TX 77025 phone 1-713/6615458 way radio has become very pop ular year racing Futaha fivechannel PCM what am using Ill fill performs near future Ive received several letters year Most come self-addressed stamped enve lopes SASE Ive answered few Ive missed Captain James M Carter writes need help explaining set up mula Ive checked back issues cant find picture article explaining ST X40 instal lation minipipes fuel cutoffs especially cowl attachments etc Please help Jim could write hook some ques tions Ill best give some brief swers Engine installation Most us put 2-in spinner engine after its screwed engine mount engine mount al ready plane Tape spinner nose about /32 space between spinner nose plane slide firewall fuselage use little epoxy its base right against back engine mount Now position engine ex actly want epoxy dries can secure firewall fuselage course youre going put mounting screws through mount firewall too think can go Fuel shuroffs use wire through firewall pinch off fuel line Cheek cowls Jim people sell mula kits tell instructions attach cheek cowls Gavin Botha writes Arlington TX find out about Q-500 Racing area Well Competition Newsletter section magazine good place start Look Sanctioned Events Calendar contests vicinity having Event 428 local nonsanctioned Races check local hobby shops Mart Soude asks what FCC license needed new frequencies No license needed unless operate Ham six-meter band interested having 500 Quarter Midget Formula built might want contact Gary Walker 2200 King St Cocoa FL 32926 phone 1-407/636-5116 Ive received quite lot contest reports year havent seen yours print yet will try run rest winter pa tient See next month Owl Racer/Keville Continued page 64 out alignment didnt notice until epoxied place fully cured course limited using three mounting bolts excessive in-flight vibration exactly helpful Install firewall slow-curing ep oxy Carve lower chin piece balsa block install Reinforce firewall short lengths dowel apply light weight fiberglass cloth overall including chin block omit last steps Trust contest doing quite nicely until firewall nearly fell off during pit stop Poor Randy Heydon frantically waving arms shouting something unintelligible Probably Whered learn build pal Before mounting engine rotate crankcase cylinder 900 counterclock wise leaving reed-valve tank upright reduce drag make priming easierand because cool guys want give appearance being competitive Sand fuselage edges rounded cross section tapering about / rear Add tail skid cutting groove fairing accept 047 other size wire Epoxy wire place reinforce glass cloth gauze Tail surfaces Cut vertical fin A-in balsa glue place -insq basswood caps Use good model ce ment such Sig-ment Ambroid sands easily epoxy CyA aliphatic resin fact some among group can sanded prototype used same balsaand-basswood construction stab elevator used fin found bit hassle probably worth effort good substitute would % plywood basswood Though slightly heavier its much practical As concession nostalgia used small over-and-under cloth hinges balsaand-basswood version could use small nylon hinges forewarned cut ting hinge slots A-in material requires great patience sense humor choose ply all-basswood version Figure-8 sewn hinges recommended Note elevator hinged side reduces drag weight also obliges lazy streak Sand components knife-edged symmetrical section drill holes control horn used Goldberg horn cut down shown bolted after finish applied Glue hinged predrilled assem bly fuselage again carefully noting alignment Wing Choose light firm grade -in sheet balsa wing blank Cgrain stock ideal Using Sig-ment Am broid same reasons noted above edge-glue sheets together cut blank outline Note grain direction -in-sq tips also note leading edge cap A-in-sq basswood Make spar/bellcrank mount two pieces -in-sq spruce other hard wood certain spar fits tightly Also use extra care cutting spar open ing Cut slot bit undersized finesse sanding stick until spar assembly accurate press-fit Install using cellulose cement Cut circle size nickel Note Henri Use 20 pfennig coin out board tip accept coin tip weight Cut two circles % balsa again us ing model cement glue over top bottom grain running spanwise Drill hole bellerank bolt cut shallow groove plywood leadout guide shape blank using large sanding block Razor planes will make mess hardwood cross-grained tips Taper blank toward tips shape semisymmetrical airfoil sanding block Start 80-grit paper progress increasingly finer grades airfoil way world168 Model Aviation Want go vertica1 MiniJet Series 84 Skyheak Pil Tue shark sill silos yoi icrlike pert oreacce ni th out hessle ef darted tkn er eapen Beth kits balsa canstrurtien alt h spar etegs p tan arc emeedate standerd serse 4 chaeael radt systesi atil acceet 20 te 28 size englees F esce prinna pertersanceinet 21 nr 25 rear en heist engines Ak ii sasenhet nire docile liner secede Thene kits tnt late zediate flyer itfer plans ranspies tnt A-A Skyhewk F-20 Tigerahark shn eish arrant i huild$1511 Plans34 ning spin3h aininpia & Canipy $1111 Plans mithIS sq arei331 nq area tither prsd arts asa ilnhlePiel Injettinn fressiti length38 moatS Pans Mars Wizard flees Insnsstiae Mndel Pta$4500 r siio s/ti14801$300 S/ti darts 8811 fits & Puss Send check Money Order COD add $3- Ft Res add 6% sales tax305 5814477 PARRISH Al RCRAFT ft Scale Models 11258W 49th Ter. Plantation FL 33317 44 415 342 5581 GOLDEN GATE HOBBIES PO BOX 282005 SAN FRANCISCO CA 94128 M/C OR C0D CATALOG $ 200 OR FREE WiTH ORDERS HATORI BLUEPRINTS SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4fT $ 5 HA TORI RA DIGICON IMMSK WE NEED DEALERS FIBERGLASS PARTS Over 237 cowls kit scratch built models Also over 34 round cowls ranging 4 14-7/8 diameter 55 duff size & shape wheel pants custom Make Parts Vacuum Form Canopies Plum amid $1 couplet Eat TU FIBERDLASS SPECIALTIES 38624 Mt Kisco Dr Sterling Hgts Ml 48310 PHONE 313 978-2612 BRAZED & HEATTREATED WIRE GEARS & CABANES PHONE 313261-9064 famous LAR-type section Looks About Right Note slight degree washout shaped tip habit Free Flight days follows fullscale practice aid low-speed sta bility landings model would proba bly fly just well better washout some habits die hard Fuss foil until wing fits snugly fuselage opening install epoxy Measure align thing wing true square tail surfaces After assembly has cured add small fillets Epoxolite other material install lead-out guide Starting look pretty racy isnt Temporarily hook up controls check freedom movement Because short distance between bellcrank horn no pushrod guide usednor has seemed necessary Bet Ill hear about Remove controls sand entire model preparation finishing Finishing four basic things re member 1 cant enough sanding 2 sure products compatible 3 can anything want long style 4 An expert out town model shown finished Pac tra Formula-U over wet-sanded auto primer base Initial filler coats five mixture Sig Lite Coat talcum sure prime aluminum landing gear legs unless like flaking paint Markings obtained hobby shop caters RC cars Such shops fer incredible variety racing-oriented decals plan compete sure clude AMA number upper right wing panel Two light coats clear poly urethane sprayed overall some great hints obtaining truly Concourse finish write Windy Urtnow ski Pro-Stunt Products Ask free catalog its com plete source CL-oriented items available today may somewhat dazzled enthusiasm runs honest game mirrorlike finish goal Windy master Install set 1-in wheels using bolts soldered retaining nuts Kustom Li PRODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes * Headers uri Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassed Wa C Kraftsmanships /2A racing wheels Wil liams Bros WW I-style wheels have both used prototype either case recommend bonding tires hubs few drops slow-setting CyA us ing Williams Bros wheels insert short lengths brass tubing bushings plas tic hubs otherwise its going short day ol flying field After perma nently installing controls check bal ance point adjust required Flying Caution Use steel wires must minimum 010 solid wire 008 stranded cables de sign use Dacron other string-type wires Youll need hard level surface Let model gain speed release dont yank up Because gyroscopic force called P factor associated high torque racers tend roll few full-scale P-51 F4U drivers have discov ered hard waywhile hanging upside-down shoulder harnesses Some modelers counteract P-factor using left-hand props crankshafts rac ing models nickel placed out board tip also helps Offset will though fact remains too soon too much Vary fuel props aiming 3035 laps per tank maintaining good speed will drive nuts Races basically engine-starting con tests theyre won lost pits Prac tice getting model pitman quickly He/she will goes say ing have refueled back air three seconds flat he/she does need talk Please have person contact once Races won lost workbench toostrength alignment critical success Dont let Lil Quickies simplic ity lull carelessness Dont let Need Speed rush construction Fly safely above have fun Sources engines solid flying wires other accessories Kustom Kraftsmanship PO Box 3010 Fallbrook CA 92028 Pro-Stunt Products 9 Union Ave Little Ferry NJ 07643 Bob Violett 1373 Citrus Rd Winter Springs FL 32708 CL Aerobatics/Fancher Continued page 65 obstacles would have surmounted Both airplanes would have very closely matched Similar designs weights wing loadings would very important would wellmatched flight trim Power plants props would have tailored match another well difference acceleration takeoff de pending what engine/prop combination em ployed can substantial Apart mechanical aspects ships themselves probably demanding skill would entirely new oreogra phy Will mentioned passing can see developing plan does what does would essential might area friends Combat circle could find themselves up us since routinely must deal problems crossed lines thing know sure going practice choreography flying buddy should done behind closed doors About 10 minutes two supposedly ma ture adults standing front yard engaging circular pas de deux right arms ex tended heavenward doing imitations Bill Werwage imitating Fox 35 will almost cer tainly have modeling-disadvantaged' neighbors dialing 911 other item Will went say want sing praises Nostalgia-Era Stunt era tm thrilled As soon have biplane built next years Stunt season told Will marched slightly different drummerTed Im planning Steve Wooley Argus painted Steves origi nal pond-slime green paint job last item perfect lead-in announce Second Annual Vintage Stunt Championships produced directed dynamic duo Mike JoAnn Keville followed media reviews last years first annual event know what great success wasand next years looks better ever However theres great big change should aware Next years event planned March 24-25 1990 will held SilverContinued page 172 December 1989 169 h P4dormance PO Box 16621 Irvine CA 92714 714250-1107