For sport flying mock combat demonstrations 35-powered stunter highly recommended project Plans show alternate fuselagesone true profile other built-up profile Roger Greene THE SUPERMARINE Spitfire beautiful deadly fighter planes World War II long time control line enthusiasts have wanted workable model airplane sport flying mock-combat aerial demonstra tion Now can burn up skies control line modelboth solid built-up profile concepts models fly beautifully look great real pleasure build joy fly pleasure have Spitfire conceived fa Top One nice features built-up profile version does sea such Un pleasantries normal seam between plywood doublers balsa identification let ters scale-like actually initials three club members built Spitfires Above elevator/flap linkage shows clearly photothe surfaces positioned convey impression relative amounts movement Alas tank could hidden June 1978 39 irilIFz-- T LEG .4.I/I6 SHEET LEASINGGIG ii.tii--3/32 SPAREDGE PLANKING ~7GEAR I/B SHEET Tn JL3oo AGNINAM TARING I/R GREET USE ONE SHEET GF I/O BALSA AND CUT PARTS GUT AG SHOWN KBR EGGG y R-I GNLS B-I R-I MARE GNE I/O WITRAST LANSING GEAR BLGCR CATTAT _ II R-I GA RI MAKE FOUR 3/AG WITH LANSING SEAR BLGCK CATGUT R-A REINFGRCENENTMARE TINS 3/32 BALSA K ERWIREMARE TWA 3/3D BALSA -I-i/__ S/B SHEETS/IA SR EMARE TWA 3/3D BALSA SOP TI I7___ MARE TINS 3/SD BALSA ci-QQ-iEUZ MARE TWO 3/32 BALSA QmO2 MARE TWO 3/3D BALSA ARSCALEIN INCHES I0 SUPERMARIA PROFILE VERSION DESIGNED 8 DRAWN BY CAT THIS PART GUT FGB ENGINE ON GSTBGABD SIDE CUT rHIS PART OAT FGR ENGINE GN INBOARD AIDE 7 FOG 35 BEAM S PA C IN S -SALLIG mous British designer R J Mitchell mid-1930s first flew 1936 last Spitfire made 1947 closing out 20300 Spits domi nated skies Britain during World War II designed Spitfires described article fill what saw needboth builder stunt flier past members Sky Lancers Washing ton known SLOW Club have staged mock aerial combat using various airplanes built Midwest World War II kits good-sized wing span 48 inches usually powered Fox 35 engine Messerschmitt Me- 109 P-51 Mustang dominated Roger feels first bump primed engine before briskly flipping propeller 40 Model Aviation mock aerial combat field some club members wanted British model help fight Me-109 article describes two Spitfires can built 50-inch wingspan plan provide first class historically accurate competition flying Me- 109 models solid profile fuselage built-up profile fuselageboth fly complete AMA Precision Aerobatic Pattern Construction Study plans thoroughly before put knife wood Cut patterns individual parts out plan taking care cut spar pattern half Use felt tip pen trace patterns wood However Spitfire built several members club WINGPLAN _ PATTERN GF THE TGP TINT RUGNOELS R-3R-O _____ TE-I FI 1 FO K_k~~ 7/3/ II RI // FULL-SIZE PLANS AVAILABLE. SEE PAGE 104 -__ V ILE-S r-1T41-1-4I/iOPAR____r4 —---4---___ ht \\ fl4/9]____I _ *2r~4-~- SUPER 118 SREET--I IITWO-LINE 40G ToH- CRANK NELLCRA NEI PLATFORM {IIIEIII I/N PLYWOOD OR4 J~ P008805 _______________________________________ 5r.......tJ \LANOINA AEGSIIIWINO TIP 7 RETAINING STRAPGj1 I--WEIGROiL TTEBA OF THENW NOEE TEST SHEETINGIN/,1 iiiiIII 1180 N-SI 8-4-- N-SbR-HR-7 I,WT-5 8-IIIII III SO BLOERS 101IIWT SEE TEUTIIi~iiI _________________NTF IWT-4 HINGE LOCATIONS _______________3/4 SPRING BEARING EP B FLAP OFT LEITSBAIISrI/B PLOWOOS BELLCRANE PLATFORM /V0flHIIBI FR __ __ 3130 BALSA SPAR NOTE CPLICE3/8 OFF-GET IN PLOWOOG SPAN GOOBLERI/B PLOWOOSSECTION THRU I/H SHEETPING SAGGER /8 BALSA SHEET BUILT-OP PROFILE SOOBLER CONVENTIONAL PROFILE SPITFIRE MKJ7 GER S GREENE IK8 U9IE _______________ 3/8 I/O F ENGINE REAMS USELAGE KHBW RK ____1/ 3/IA OSMELI/B PLOWOGOI/U BALSAI/O BULGA __F-S1ENOSSHEETCORE- SOLAGO LANSING GEAR CLIP3/SSRAL3O-F 4 DOUBLERr~1PUANRUG 1/18 PLOWOOS G-4ONEOSUBLER-I.-GLASS CLOTH ANS EPUSO PN/4 I/S SHEETS ROLE 330 BUS C B REWASHERS H /HUS BENOCGLORSITO RUBBER WHEEL II1/4 50 BELICRUNE UU-1HOHELLOWI I/N IA BRASS TUBING4--HPLATFORM AUPPORTS______ UE LUNGING GEAR MOANTSC U RUNUEI/B PLOWUOGWHITECONTROL HORN RELLCRANELANSING GEAR UPLATFORM CLIP PATTERNFIBERGLAUS CLSTH I/IN PLOWOOG TIN GTGCR MGSIC W RE BEAR NO COPPER N RE SOLGER I/4I/OGHEET NSTE TAPER 0/B RURBER_______________________________________________________________________________ WHEEL 0 0345N KZFUGELASE -F-i SM F-B I/N 3/B R4 I/B BALSAGIGE can mount patterns some type sturdy backing method use glue patterns gift box cardboard just about right strength weight Get large box handles department store studying building sequence may seem jumping around bit has designed get work done least amount time work ing assembly glue dry ing another can get Spitfire built field sooner Begin wing spar Use two sheets 3/32 balsa shown plan Youll have make splice middle cut wood accordingly cut 1/16 plywood spar doubler will glued front full-depth spar piece 3/32 balsa rear spar doubler doublers necessary added strength Align pieces over cardboardmounted plans glue clamp drying Fuselage While spar its doublers drying start building fuselage have choice building conven tional profile built-up profile fuselageboth shown plan built-up profile will lighter aft section will look little realistic because wont see joint ply wood doubler canopy will out lined wood instead paint Built-up Profile Fuselage Start making less solid portion fuse lage Use sheet X 36 balsa Cut out parts F-l F-2 F-3 sure follow curves just behind canopy er rib R-l F-3 cut unused part above fuselage After fuselage pieces cut glue F-l F-2 F-3 together over plan using Sigment pins Conventional Profile Glue together two pieces 36 balsa Sigment make 6-wide piece After glue dry cut shape shown will still have cut F-3 glue shown plan Cut hole wing engine engine beams Cut I/SHY plywood fuselage doublers shape space mount engine outboard side hole bottom back plate screw Fox 35 inboard side Apply Sigbond aliphatic re sin clamp let dry overnight Stabilizer Elevator fuselage June 1978 41 ---II/IN PLOWOOG LERS 4ijI Left George Marenka designer/author Roger Greene rightl Georges Spiffire Right Mike Kresan displays bottom Spitfire show contrast between top bottom paint schemes color scheme depicted model authentic drying cut horizontal stabilizer elevator out 5/16 balsa sheet avail able otherwise use 1/4 balsa sheet firm Cut fin rudder out a medium flaps cut a soft Wing Tips wing tip pieces WT-l through WT-6 cut out /8 balsa sheet Glue WT-l WT-2 WT-3 gether make two assemblies Glue WT-4 WT-5 together make four assemblies wing leading edge LE-1 LE-2 LE-3 cut balsa sheet LE-l can /s X piece cut fit Cut two LE-2 LE-3 Glue LE-l LE-2 LE-3 together over plan Cut trailing edge TE-l /8 balsa sheet TE-2 sanded X 36 strip use piece straight possible Wing Ribs Carve ribs out 3/32 balsa sure make right number rib cut-outs cor rect rib Also make holes lead-out wires inboard wing panel Glue / 16 plywood doublers R- 1 see plan energy department consists case beam-mounted Fox 35 Sullivan SS-4 tank rubberbanded Disco flier may try different props good all-around size 10-6 Built-Up Profile After -thick fuse lage dry can lighten cutting out unneeded portions wood Use metal lipstick top /2 piece brass tubing would cookie-cutter cut out useless balsa weight Sharpen end put 3/32 X 4 piece music wire through side solder place wire will act handle help twist tool cut holes nd engine mounts 1 above wing top fuselage forth Leave least /2 sheet Glue /8 plywood doublers a fuselage Sigbond Aliphatic Resin works very well sure cut-outs engine proper sides airplane Let fuselage dry over night Make simple wood clamp glue doublers two pieces ood six 2 6-32 bolts washer end butterfly nut easy tightening Wing Find rib R-lA drill two /8 holes either Veco landing gear clip own making dont have Veco make landing gear clip out piece tin shown plan location clip shown wing section fuselage plan Hold spar slots up place R-l center place R-lA next R-lB Insert two -sq bellcrank supports place other ribs spar order Insert TE-l leading edge sembly LE-l LE-2 LE-3 slots ribs insert both wing tip assemblies WT- 1 WT-2 WT-3 simple wing jig will necessary make sure wing doesnt warp twist glue setting Take piece balsa square 12 long felt-tipped marker draw line along its length right down middle Now cut piece 12 equal pieces 12 1 cubes will used support wing glue Place blocks shown plan under leading trailing edges wing assembly reference line right down middle up guide Pin blocks work bench Align ribs plan Pin leading edge LE trailing edges ribs pin ribs spar center -sq balsa belicrank plat form supports done ensure straight true wing Now glue various wing pieces gether ribs spar wing tips leading edges trailing edges 1/4 squares insert bellcrank plat form glue place aliphatic glue Let wing dry overnight Back fuselage built-up profile fuselage parts F-l F-2 F-3 dry unclamp Next cut /s sides shape Cut top bottom pieces t balsa Note taper shown plan Glue /8 balsa sides top p F-5 part F-4 Lay front part fuselage bench a side down Prop up aft portion /4 let dry glue other side fuselage pin place set aside dry glue bottom p yet Easy Does waiting glue set cut out sand flaps rudder fin elevator stabilizer E-2 trailing edge wing shape shown sitting arm should feel though have just pitched nine innings word cau tion though dont go too fast take easy let beautiful Spitfire lines develop slowly Wing Again wing structure set aside dry has indeed dried glue TE-2 place behind TE-l snug fit required between WT-ls Next glue eading edge wont bend easily around wing tip wet Continued page 97 Heres clever trick add realismif making built-up profile Cut away sur face laminations around canopy area note smooth joint between doubler side skin big attraction Spitfire its distinctive planform Its fine all-around performance came great engine ultra-clean streamlining unusually large wing area WW-Il fighter Two trio Spiffires ready go against Me109s flown other SLOW club members Loading way Mike Kresans ship Georoe Marenkas just behind poses wing-mans Coloring olive tan camouflage light blue undersurfaces about contests new products will publish some column like name print write us Fred RandellMA Enterprises 659 Colony Rd Box 7305 Canal Fulton OH 44614 216/854-4233is producing ink-sack pen bladders again Price $1800 per hundred plus postage Nick ArpinoDarp Speed Pans 301 Woodacres Rd East Patchogue NY 11772 516/286-8144is adding 21long Formula-40 pan already fine line A-FAI 15 long B-C 18 long D 20 long Brassels Speed Equipment 1215 N Concord Rd Chattanooga TN 37421 615/892-5995Harters speed pans mono-line wire handles Bill Pardue described recent Golden Trial Model Masters Fall Contest Winston-Salem NC October 22 seems Quay Barbers Lil Shaver profile proto Put Mike Langlois record/ratio speed event Actually profile model flown mono-line enclosed proto class new Junior record interesting note Quay Bar zers /2A profile mono-line outran both Bagwells Langlois pure speed models 3-port mini-pipe Cox engines Barber running nearly stock TD final results record/ratio speed event looked like GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 6 8 & 10 PITCH20800 221000 241300 AT YOUR DEALER USE TO PROPEL AIR ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE 1-IELICAL 2 Blade Tractor 5-3each 5-45/-3 6-3 7-47-6 8-48-6 9-49-6 9-810-4 11-411-6 12-412-5 5%-4 6-4 7-8 8-8 9-7 10-6 11-8 12-6 304 354 SOd 654 854 $1 $150 CREATE THRUST AND BE PROPELLED BY AIR DISCRETION OF 2 Blade Pusher 5A-4 6-36-4 35d 8-685d 9-610-6$1 BLADE 3 BladeTractorx 5-3 6-36-4SOd 3 BladePusher 6-3SodMetallic Aluminum Color Made polyester boll color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Jr Proto Open Jet Speed Jr Profile Proto Jr 1/2ASpeed Sr Y2A Speed Op A Speed slightly raised Bee A-insert-type same type plug Nick used recently set new Open speed record 121 mph recent Day ton Ohio meet Al Stegins reported have run 117-119 #2 engine open face exhaust Gb Bee plug really honking proto #1 engine until ground jumped up grab should noted three official flights Langlois jet lap glide included clocking 6-op non-pressure tank Mike getting 9 laps under power launch getting pylon after ship still ground some flights 211 210 50% propylene oxide 50% nitro-methane Nit rotane about ten flights flown same set valves stub backup valves same diameter retainer Retainer turned back 050 stock 50/50 fuel fed pressure tank coming through metering jet drilled #42 drill size Bill also advises careful what9752 mph 21118mph 9406 mph 10634 mph 10461 mph 10621 mph 1043 1%9406 Backup 10269%21020 Backup 10146% 984 1% 9418% 88 00% ever tubing using watch out pin holes Bill Pardue indicated doing series jet articles Da Gaz have read some Bills jet scoop Gaz Encourage jet speed fliers sub scribe Da Gaz Its $500 per year Doc Jackson 523 Meadowbrook Circle St Davids PA 19087 Between Doc Bill folks should getting inter ested speed flying again I-lope indicator speed upswing Received call T Wright Jacksonville Florida about King Orange meet December 30 31 1977 January 1 1978 weather fair rained little enough really stop things Participation ex cellent Free Flight Stunt Combat Goodyear Rat Entries Speed Carrier low AT set new D speed record under 78-79 rules 197 mph mini-pipe Also Bob Day AT joined forces set Profile Proto record 92 mph Would like find out Mike Hoyt still handling jet pipes heads Have able contact him nt forget United States Control Line Model Airplane Championships Winston-Salem NC June 17-18 body thats anybody gonna Contact Bill Pardue 1201 Surry Drive Greensboro NC 27408 next column will cover tach props what RPM ranges look Gene Hem pel Tom Upton 301 N Yale Dr Garland TX 75042 Spitfire/Greene continued page 43 bend shape -sq lead ing edges dry glue place Glue WT-6 top two wing tip semblies WT-4 WT-5 wing tip shown Let dry Hardware Hookup Connect lead-out wires bellcrank slip wires through ribs Use 3/32 aluminum tubing inboard wing tip protect wing tip assembly Glue tubing place epoxy Bend 3/32 pushrod wire shown Sol der bellcrank using washer top bottom install bellcrank Sol der nut bellcrank make certain wont come apart flight Landing Gear Cut piece 1/8 ID brass tubing shown wing section fuselage plan landing gear slip June 1978 97 fio7rnd&i PROPELLERS PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER RIGHT HAND ROTATION 3/B BORE THE PURCHASER Pusher 10-6$150 G RUSH ST JOHN INDIANA 46373 1st Quay Barber 2nd Mike Langlois 3rd Quay Barber 4th Quay Barber 5th Phil Bagwell 6th Mike Langlois bypass flute very using new Gb Gb plug WERE EXPANDING CELEBRATING MODEL BUILDER substantially increasing its RIG coverage new monthly features leading modeling authorities RIG construction articles emphasis how-to. R/C oriented Because free flight control line modelers consider MODEL BUILDER best magazine will contin ue present amount coverage areas including regular Peanut plan feature means MODEL BUILDER must enlarge physically pages doing CELEBRATE WITH US SCRIBE NOW AND GET 3 PEE ISSUES Fill out send coupon check Money Order year subscription $1500 will re ceive 3 additional FREE ISSUES total savings $750 Mall MODEL BUILDER Magazine 621 West 19th St Costa Mesa Calif 92627 [v32][b-1-10-1-10]] REGULAR SUBSCRIPTION IS $1500 SUBSCRIBE NOW AND Address __________________________________________ SAVE $750! RECEIVE 15 ISSUESATONE-THIRDOFF! City __________________State ________ Zip NOTE This offer new subscribers NOT subject additional AMA membership discount [v32][b-1-10-1-10]] tubing held place gear clip made earlier pieces should bolted rib R-1A using two 4/40 screws Drill /i hole s/s edge slot landing gear slot shown Position pin glue epoxy landing gear block Solder gear clip s tubing wont come out flight Wing Sheeting Now come enor mously delicate critical aspect cover ing wing Cover 1/16 sheet balsa Use Sigment glue leading edge sheeting top spar sure splice joining sheeting material -wide center wing rib glue dry remove pins hold /8 leading edge 1 blocks wet leading edge sheeting water bend down over ribs tack-pin /4-sq leading edge sheeting dry has acquired its basic set remove pins Raise forward portion sheeting carefully apply Sigment top ribs -sq leading edge sheeting will fasten sheeting place pins set aside glue dry Back Fuselage fuselage should dry now sand shape shown plan sanding-arm should used now WingOne Time wing has dried remove pins including hold 1 blocks Turn wing over glue bottom two tip semblies WT-4 WT-5 pin place let em dry Glue bottom sheeting same way did top sheeting Cut places sheeting landing gear blocks After glue underside wing dry mark trailing edge TE-2 pencil center rib R-l go Mark both sides conventional fuselage t-up profile fuselage Now install rib cap strips put center planking indicated wing tip weight will added later Engine Installation Check Test mount engine using four 4-40 bolts 1 long four T nuts ensure zero-degree thrust alignment remove glow plug cut 12 piece 1/8 wire place tween center cooling fins head wire will give line eyeball engine zero degree thrust Mark drill holes check make cer tain fit Tail Assembly Next horizontal stabi lizer elevator Clean off sanding dust set elevator over plans Mark edge elevator horn should go Drill straight hole ele vator receive control horn Cut channel horn will fit elevators Test make sure fits well Now mark hinge locations use Exacto #11 blade After making several cuts pull out balsa chips insert hinge check fit Put some Vasoline hinge pivotsbut pivots Apply Sigpoxy part goes balsa Vasoline will allow epoxy stick pivot point Now epoxy control horn elevator align horizontal stabilizer elevator over plan sure pin will dry straight Flaps Place flaps plan po sition control horn mark flaps indicate holes should receive horn Drill holes set horn epoxy firmly place Lay assembly work bench pin keep straight Let dry thoroughly Wing Again Sand wing smooth #220 sandpaper rounding out leading edges tips rest butt joints should disappear touch Dont sand marks trailing edge youll need later reference Check flaps sure control horn dry hinges glued same ele vators Slip flaps wing slot fuselage slip wing fuselage Wing Fuselage Alignment Align wing fuselage placing triangle leading edge wing against 98 Model Aviation Na fuselagethe wing straight Make sure trailing edge marks wing still seen both sides fuselage Also triangle make sure fuselage 900 airfoil opposite canopy Epoxy let dry overnight Drill insert two 3/16 dowls shown Glue epoxy Sigbond Now put bottom fuselage cap F-6 Glue place Sigment Glue flaps hinges trailing edge TE-2 wing same way handled stabilizer elevator Tail Alignment Horizontal stabilizer elevator next glued fuse lage Mark fuselage width cen ter leading edge stabilizer insert fuselage using marks make certain exactly centered Glue Sigbond Use ngular piece glued under side stabilizer extra strength horizontal stabili zer should parallel wing Stand couple feet away eyeball front align top wing bottom stabilizer sure horizontal stabilizer hinge line exactly parallel wing hinge line Measure distance hinge line tip stabilizer trail ing edge wing hinge line both sides distances must equal airplane wont track properly fly proper horizontal altitude After surfaces straight true let whole thing dry thoroughly hour check make sure sur faces still aligned properly give plenty time set fin rudder glued next Use rudder offset shown plan Landing Gear Bend landing gear shape shown plan making sure make left right sure also match sweep-forward shown plan fasten wheels slip wheel over axle washer take couple turns copper wire around axle solder wire washer axle Place main landing gear mounts wing using Sig landing gear straps secure place Bend epoxy tail wheel strut shown Secure wheel same way main gear Connecting Flaps Elevator easy way connect flaps elevator two pieces 3/32 music wire long enough overlap other about 1 shown Wrap copper wire pushrods bent installed keepers flaps elevators should set zero degrees Solder pushrod Put pushrod bearing about halfway between elevator flaps see plan Fuel Tank Mount fuel tank fuselage using music wire rubberbands Use Sullivan 4 oz tank see pic ture Wing Tip Weight engine inCHARACTERISTICS Designed withstand rugged treatment gas powered models must endure TOUGH LIGHTWEIGHT MAR-RESISTANT FINISH FUEL PROOFNOT AFFECTED BY WATER CHEMICALS OR ALCOHOL AND WITHSTANDS RACING FUELS UP TO 50% NITRO METHANE ONE-COMPONENT SYSTEMREQUIRES NO CATALYST LOW ODOR QUICK DRYINGDUST FREE IN 45 MINUTES DRIES HARD IN 4 HOURS WILL NOT WRINKLE OR LIFT WHEN RECOATED FREE OF LEAD HAZARDSNON-TOXIC WHEN DRY SPRAY CONTAINS NO FLUOROCARBON PROPELLENTS BRUSHES EASILY WITHOUT BRUSH MARKS APPLICATIONS Applies paintable surface Since Formula-U does shrink silkapan silk products recommended Aero-Gloss Flat Gloss Clear applied first topcoated Formula-U Brushing Formula-U can thinned spray gun application Colors can mixed Use Formula-U Thinner thinning clean-up SIZES oz Jar Can 12 oz Spray Can Leadouts If havent done already some people like get ahead plan wrap leadouts see plan Finishing After test-fitting fuel tank engineand wing tip weight installedfine-sand entire airplane babys bottom smoothness Paint two coats clear dope both coats dry hard sand whole airplane again fine sand paper lightly clear dope over whole model will keep wood grain rising under covering Cut Silkspan shape over wing wet water using mist sprayer Pull Silkspan around leading edges remove wrinkles Cement Silkspan wing applying clear dope center planking leading edges trailing edges wing tips continually pulling entire wing continually pulling keep wrinkles Silkspan dry paint entire wing six 6 coats clear dope sanding very gently after even-numbered coat Use two three coats sanding sealer over entire airplane fill wood grain June 1978 99 COLORS Brushing Spray choice Hi-Gloss Metallic Flat 0Perfectly match 12 SolarIum colors stalled turn airplane over its rudder nose inboard wing should touch table Apply enough weight allow outboard tip flop down work bench inboard tip will up enough weight Lead solder wrapped light string makes good weight epoxy wood KITS 0 PtANS 0 ACCESSORIES BABY ACEP-NUT KITS NYLON BEARINGS BROWN CO-2 ENGINES _____________________REAL JAPANESE TISSUE-PROPS 57 SPAN COMPLETE CATALOG 50t KIT $4 25 MANY HAED TO FIND ITEMS Pt*-hfywes W BOX 2498LA MESA CALIF 92041 CATALOG 25c DAVIS22 D-IK PLAN CSD-7BY Chas E Steinchak MODERNISTIC MODELS PO B0X6974ALBUQNM87107 sanding lightly after coat Markings The roundels wing placed shown plan top ones shown inboard side bottom ones shown outboard side Heres good easy way make turn out right using compass draw proper circles contact paper cut out Starting center paint area roundel winga little actual area will finished airplane cover area contact paper mask center circle Seal edges clear paint Paint next color again little larger actual roundel will cover proper mask seal edges clear paint Continue until roundel complete Leave paper until rest Spitfire painted peel off contact paper presto youve got professional job may seem faster same time just make sure put right color right circles Pain canopy light blue Add AMA numbers initials can go fuselage Paint bottom airplane light blue paint top olive tan cam ouflage colors Conclusion Both Spitfires needed back plate engine filled sol der trimmed fly May June July 1976 issues Model Aviation Chris Lella tells lot airplanes actions problems articles bal ancing roll yaw pitch control line stunt ships quite good should read control line flyer models described article both capable doing complete AMA pattern problems either have worthy addition stable aerobatic mock-combat champions 52nd Nationals continued page 53 Charles Nats has possible adds up lot enjoyment economical conditions family oriented Nats Further food thought has become harder harder put Nats due cost complexity factors much has increasing talk re cent years about discontinuing Nats changing significantly make manageable might last opportunity enjoy Nats classic tradition Lake Charles offers best combination factors make trip worthwhile ever inclined go Nats years recommended offer facilities view point Lake Charles known site country much ideally suited Nats Thus stage set once again AMA put worlds biggest model meet invited FF Duration/Meuser continued page 55 b tickle funnybones applies getting people tell about find lost models Nats Entry&Meeting Information Advance Entry mail savings big Basic Fee refundable dont show Nats best bet advance entry postmark deadline July 3 Late entries will also permitted contest site during Nats period pri mary requisite events late en tries accomplished before various stages preflight processing events con cerned accordance Nats entry form schedule particularly concerning Scale model turn-in transmitter processing Entry Form full schedule event flying plus Scale turn-in deadlines RC transmitter processing times printed Offical Nats Entry Form Instructions Anyone thinks might enter should obtain 1978 Nats entry form also includes much other useful information available upon request AMA HQ 815 Fifteenth St NW Washington DC 20005 Please include stamped pre-addressed en velope AMA HQ offices Chennault Air Base Lake Charles will open registration late entry July 30 ba sically 8 am noon 1 pm 5 pm day also noon day Indoor site Late Basic Entry Fee Juniors Sen iors $5 same advance fee includes entry event $40 Open mem bers no event included Event fees late entries events added Nats advance entrants $5 per event age categories--except RC $10 per event Mechanics Fee advance late $5 provides identification field access priv ileges equivalent contestants Nats Housing University dormitories available rate $5 per person per night double occupancy Children oc cupy bed use sleeping bag ex ample will charged NATS MEETINGS regular AMA general membership meeting provided AMA by-laws scheduled held Nats Wednesday August 2 600 pmall members invited Nominating Committee open AMA vice-presidents appointed delegates will meet Wednesday August 2 8 pm beginning meeting signals closing time AMA officer nominations President Vice-Presidents District 2 4 6 8 10 19791980 term See AMA News section issue nomination procedures NEW NATS TROPHY POLICY Awards will provided least three places Nats event Juniors Seniors well Open contestants ad dition awards may available de pending upon number advance entries event Thus 10 advance entries age group event will least five awards addition will award ten advance en tries beyond first ten Example 21 ad vance entries six awards five first 10 plus second 10 JUNIORS AND SENIORS Juniors Seniors will receive awards same manner Open adult age entries means encouraging young sters compete Nats Juniors Seniors year get free entry Nats event upon payment basic fee Thus Open contestants have pay $20 basic fee plus $3 per event $10 per RC event Juniors pay $5 basic fee no event fees unless enter event same true Seniors ex cept basic fee $10 Juniors Seniors should know too no late entry penalty fee Open entrants latter have pay $40 late entry after July 3 whereas fee stays same Juniors Seniors no matter enter over 60 events 1978 Nats can entered Juniors Seniors special policies age groups years Nats can happy experience youngsters find out ask free Nats entry formsend stamped selfaddressed envelope AMA 815 Fifteenth St NW Washington DC 20005 100 Model Aviation O ER 8O8 8 CA 088 SCALE DRA~SXa ER SON RFP TECH 45550 M KENZ t HWYV DA OR q ss
Edition: Model Aviation - 1978/06
Page Numbers: 39, 40, 41, 42, 43, 97, 98, 99, 100
For sport flying mock combat demonstrations 35-powered stunter highly recommended project Plans show alternate fuselagesone true profile other built-up profile Roger Greene THE SUPERMARINE Spitfire beautiful deadly fighter planes World War II long time control line enthusiasts have wanted workable model airplane sport flying mock-combat aerial demonstra tion Now can burn up skies control line modelboth solid built-up profile concepts models fly beautifully look great real pleasure build joy fly pleasure have Spitfire conceived fa Top One nice features built-up profile version does sea such Un pleasantries normal seam between plywood doublers balsa identification let ters scale-like actually initials three club members built Spitfires Above elevator/flap linkage shows clearly photothe surfaces positioned convey impression relative amounts movement Alas tank could hidden June 1978 39 irilIFz-- T LEG .4.I/I6 SHEET LEASINGGIG ii.tii--3/32 SPAREDGE PLANKING ~7GEAR I/B SHEET Tn JL3oo AGNINAM TARING I/R GREET USE ONE SHEET GF I/O BALSA AND CUT PARTS GUT AG SHOWN KBR EGGG y R-I GNLS B-I R-I MARE GNE I/O WITRAST LANSING GEAR BLGCR CATTAT _ II R-I GA RI MAKE FOUR 3/AG WITH LANSING SEAR BLGCK CATGUT R-A REINFGRCENENTMARE TINS 3/32 BALSA K ERWIREMARE TWA 3/3D BALSA -I-i/__ S/B SHEETS/IA SR EMARE TWA 3/3D BALSA SOP TI I7___ MARE TINS 3/SD BALSA ci-QQ-iEUZ MARE TWO 3/32 BALSA QmO2 MARE TWO 3/3D BALSA ARSCALEIN INCHES I0 SUPERMARIA PROFILE VERSION DESIGNED 8 DRAWN BY CAT THIS PART GUT FGB ENGINE ON GSTBGABD SIDE CUT rHIS PART OAT FGR ENGINE GN INBOARD AIDE 7 FOG 35 BEAM S PA C IN S -SALLIG mous British designer R J Mitchell mid-1930s first flew 1936 last Spitfire made 1947 closing out 20300 Spits domi nated skies Britain during World War II designed Spitfires described article fill what saw needboth builder stunt flier past members Sky Lancers Washing ton known SLOW Club have staged mock aerial combat using various airplanes built Midwest World War II kits good-sized wing span 48 inches usually powered Fox 35 engine Messerschmitt Me- 109 P-51 Mustang dominated Roger feels first bump primed engine before briskly flipping propeller 40 Model Aviation mock aerial combat field some club members wanted British model help fight Me-109 article describes two Spitfires can built 50-inch wingspan plan provide first class historically accurate competition flying Me- 109 models solid profile fuselage built-up profile fuselageboth fly complete AMA Precision Aerobatic Pattern Construction Study plans thoroughly before put knife wood Cut patterns individual parts out plan taking care cut spar pattern half Use felt tip pen trace patterns wood However Spitfire built several members club WINGPLAN _ PATTERN GF THE TGP TINT RUGNOELS R-3R-O _____ TE-I FI 1 FO K_k~~ 7/3/ II RI // FULL-SIZE PLANS AVAILABLE. SEE PAGE 104 -__ V ILE-S r-1T41-1-4I/iOPAR____r4 —---4---___ ht \\ fl4/9]____I _ *2r~4-~- SUPER 118 SREET--I IITWO-LINE 40G ToH- CRANK NELLCRA NEI PLATFORM {IIIEIII I/N PLYWOOD OR4 J~ P008805 _______________________________________ 5r.......tJ \LANOINA AEGSIIIWINO TIP 7 RETAINING STRAPGj1 I--WEIGROiL TTEBA OF THENW NOEE TEST SHEETINGIN/,1 iiiiIII 1180 N-SI 8-4-- N-SbR-HR-7 I,WT-5 8-IIIII III SO BLOERS 101IIWT SEE TEUTIIi~iiI _________________NTF IWT-4 HINGE LOCATIONS _______________3/4 SPRING BEARING EP B FLAP OFT LEITSBAIISrI/B PLOWOOS BELLCRANE PLATFORM /V0flHIIBI FR __ __ 3130 BALSA SPAR NOTE CPLICE3/8 OFF-GET IN PLOWOOG SPAN GOOBLERI/B PLOWOOSSECTION THRU I/H SHEETPING SAGGER /8 BALSA SHEET BUILT-OP PROFILE SOOBLER CONVENTIONAL PROFILE SPITFIRE MKJ7 GER S GREENE IK8 U9IE _______________ 3/8 I/O F ENGINE REAMS USELAGE KHBW RK ____1/ 3/IA OSMELI/B PLOWOGOI/U BALSAI/O BULGA __F-S1ENOSSHEETCORE- SOLAGO LANSING GEAR CLIP3/SSRAL3O-F 4 DOUBLERr~1PUANRUG 1/18 PLOWOOS G-4ONEOSUBLER-I.-GLASS CLOTH ANS EPUSO PN/4 I/S SHEETS ROLE 330 BUS C B REWASHERS H /HUS BENOCGLORSITO RUBBER WHEEL II1/4 50 BELICRUNE UU-1HOHELLOWI I/N IA BRASS TUBING4--HPLATFORM AUPPORTS______ UE LUNGING GEAR MOANTSC U RUNUEI/B PLOWUOGWHITECONTROL HORN RELLCRANELANSING GEAR UPLATFORM CLIP PATTERNFIBERGLAUS CLSTH I/IN PLOWOOG TIN GTGCR MGSIC W RE BEAR NO COPPER N RE SOLGER I/4I/OGHEET NSTE TAPER 0/B RURBER_______________________________________________________________________________ WHEEL 0 0345N KZFUGELASE -F-i SM F-B I/N 3/B R4 I/B BALSAGIGE can mount patterns some type sturdy backing method use glue patterns gift box cardboard just about right strength weight Get large box handles department store studying building sequence may seem jumping around bit has designed get work done least amount time work ing assembly glue dry ing another can get Spitfire built field sooner Begin wing spar Use two sheets 3/32 balsa shown plan Youll have make splice middle cut wood accordingly cut 1/16 plywood spar doubler will glued front full-depth spar piece 3/32 balsa rear spar doubler doublers necessary added strength Align pieces over cardboardmounted plans glue clamp drying Fuselage While spar its doublers drying start building fuselage have choice building conven tional profile built-up profile fuselageboth shown plan built-up profile will lighter aft section will look little realistic because wont see joint ply wood doubler canopy will out lined wood instead paint Built-up Profile Fuselage Start making less solid portion fuse lage Use sheet X 36 balsa Cut out parts F-l F-2 F-3 sure follow curves just behind canopy er rib R-l F-3 cut unused part above fuselage After fuselage pieces cut glue F-l F-2 F-3 together over plan using Sigment pins Conventional Profile Glue together two pieces 36 balsa Sigment make 6-wide piece After glue dry cut shape shown will still have cut F-3 glue shown plan Cut hole wing engine engine beams Cut I/SHY plywood fuselage doublers shape space mount engine outboard side hole bottom back plate screw Fox 35 inboard side Apply Sigbond aliphatic re sin clamp let dry overnight Stabilizer Elevator fuselage June 1978 41 ---II/IN PLOWOOG LERS 4ijI Left George Marenka designer/author Roger Greene rightl Georges Spiffire Right Mike Kresan displays bottom Spitfire show contrast between top bottom paint schemes color scheme depicted model authentic drying cut horizontal stabilizer elevator out 5/16 balsa sheet avail able otherwise use 1/4 balsa sheet firm Cut fin rudder out a medium flaps cut a soft Wing Tips wing tip pieces WT-l through WT-6 cut out /8 balsa sheet Glue WT-l WT-2 WT-3 gether make two assemblies Glue WT-4 WT-5 together make four assemblies wing leading edge LE-1 LE-2 LE-3 cut balsa sheet LE-l can /s X piece cut fit Cut two LE-2 LE-3 Glue LE-l LE-2 LE-3 together over plan Cut trailing edge TE-l /8 balsa sheet TE-2 sanded X 36 strip use piece straight possible Wing Ribs Carve ribs out 3/32 balsa sure make right number rib cut-outs cor rect rib Also make holes lead-out wires inboard wing panel Glue / 16 plywood doublers R- 1 see plan energy department consists case beam-mounted Fox 35 Sullivan SS-4 tank rubberbanded Disco flier may try different props good all-around size 10-6 Built-Up Profile After -thick fuse lage dry can lighten cutting out unneeded portions wood Use metal lipstick top /2 piece brass tubing would cookie-cutter cut out useless balsa weight Sharpen end put 3/32 X 4 piece music wire through side solder place wire will act handle help twist tool cut holes nd engine mounts 1 above wing top fuselage forth Leave least /2 sheet Glue /8 plywood doublers a fuselage Sigbond Aliphatic Resin works very well sure cut-outs engine proper sides airplane Let fuselage dry over night Make simple wood clamp glue doublers two pieces ood six 2 6-32 bolts washer end butterfly nut easy tightening Wing Find rib R-lA drill two /8 holes either Veco landing gear clip own making dont have Veco make landing gear clip out piece tin shown plan location clip shown wing section fuselage plan Hold spar slots up place R-l center place R-lA next R-lB Insert two -sq bellcrank supports place other ribs spar order Insert TE-l leading edge sembly LE-l LE-2 LE-3 slots ribs insert both wing tip assemblies WT- 1 WT-2 WT-3 simple wing jig will necessary make sure wing doesnt warp twist glue setting Take piece balsa square 12 long felt-tipped marker draw line along its length right down middle Now cut piece 12 equal pieces 12 1 cubes will used support wing glue Place blocks shown plan under leading trailing edges wing assembly reference line right down middle up guide Pin blocks work bench Align ribs plan Pin leading edge LE trailing edges ribs pin ribs spar center -sq balsa belicrank plat form supports done ensure straight true wing Now glue various wing pieces gether ribs spar wing tips leading edges trailing edges 1/4 squares insert bellcrank plat form glue place aliphatic glue Let wing dry overnight Back fuselage built-up profile fuselage parts F-l F-2 F-3 dry unclamp Next cut /s sides shape Cut top bottom pieces t balsa Note taper shown plan Glue /8 balsa sides top p F-5 part F-4 Lay front part fuselage bench a side down Prop up aft portion /4 let dry glue other side fuselage pin place set aside dry glue bottom p yet Easy Does waiting glue set cut out sand flaps rudder fin elevator stabilizer E-2 trailing edge wing shape shown sitting arm should feel though have just pitched nine innings word cau tion though dont go too fast take easy let beautiful Spitfire lines develop slowly Wing Again wing structure set aside dry has indeed dried glue TE-2 place behind TE-l snug fit required between WT-ls Next glue eading edge wont bend easily around wing tip wet Continued page 97 Heres clever trick add realismif making built-up profile Cut away sur face laminations around canopy area note smooth joint between doubler side skin big attraction Spitfire its distinctive planform Its fine all-around performance came great engine ultra-clean streamlining unusually large wing area WW-Il fighter Two trio Spiffires ready go against Me109s flown other SLOW club members Loading way Mike Kresans ship Georoe Marenkas just behind poses wing-mans Coloring olive tan camouflage light blue undersurfaces about contests new products will publish some column like name print write us Fred RandellMA Enterprises 659 Colony Rd Box 7305 Canal Fulton OH 44614 216/854-4233is producing ink-sack pen bladders again Price $1800 per hundred plus postage Nick ArpinoDarp Speed Pans 301 Woodacres Rd East Patchogue NY 11772 516/286-8144is adding 21long Formula-40 pan already fine line A-FAI 15 long B-C 18 long D 20 long Brassels Speed Equipment 1215 N Concord Rd Chattanooga TN 37421 615/892-5995Harters speed pans mono-line wire handles Bill Pardue described recent Golden Trial Model Masters Fall Contest Winston-Salem NC October 22 seems Quay Barbers Lil Shaver profile proto Put Mike Langlois record/ratio speed event Actually profile model flown mono-line enclosed proto class new Junior record interesting note Quay Bar zers /2A profile mono-line outran both Bagwells Langlois pure speed models 3-port mini-pipe Cox engines Barber running nearly stock TD final results record/ratio speed event looked like GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 6 8 & 10 PITCH20800 221000 241300 AT YOUR DEALER USE TO PROPEL AIR ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE 1-IELICAL 2 Blade Tractor 5-3each 5-45/-3 6-3 7-47-6 8-48-6 9-49-6 9-810-4 11-411-6 12-412-5 5%-4 6-4 7-8 8-8 9-7 10-6 11-8 12-6 304 354 SOd 654 854 $1 $150 CREATE THRUST AND BE PROPELLED BY AIR DISCRETION OF 2 Blade Pusher 5A-4 6-36-4 35d 8-685d 9-610-6$1 BLADE 3 BladeTractorx 5-3 6-36-4SOd 3 BladePusher 6-3SodMetallic Aluminum Color Made polyester boll color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Jr Proto Open Jet Speed Jr Profile Proto Jr 1/2ASpeed Sr Y2A Speed Op A Speed slightly raised Bee A-insert-type same type plug Nick used recently set new Open speed record 121 mph recent Day ton Ohio meet Al Stegins reported have run 117-119 #2 engine open face exhaust Gb Bee plug really honking proto #1 engine until ground jumped up grab should noted three official flights Langlois jet lap glide included clocking 6-op non-pressure tank Mike getting 9 laps under power launch getting pylon after ship still ground some flights 211 210 50% propylene oxide 50% nitro-methane Nit rotane about ten flights flown same set valves stub backup valves same diameter retainer Retainer turned back 050 stock 50/50 fuel fed pressure tank coming through metering jet drilled #42 drill size Bill also advises careful what9752 mph 21118mph 9406 mph 10634 mph 10461 mph 10621 mph 1043 1%9406 Backup 10269%21020 Backup 10146% 984 1% 9418% 88 00% ever tubing using watch out pin holes Bill Pardue indicated doing series jet articles Da Gaz have read some Bills jet scoop Gaz Encourage jet speed fliers sub scribe Da Gaz Its $500 per year Doc Jackson 523 Meadowbrook Circle St Davids PA 19087 Between Doc Bill folks should getting inter ested speed flying again I-lope indicator speed upswing Received call T Wright Jacksonville Florida about King Orange meet December 30 31 1977 January 1 1978 weather fair rained little enough really stop things Participation ex cellent Free Flight Stunt Combat Goodyear Rat Entries Speed Carrier low AT set new D speed record under 78-79 rules 197 mph mini-pipe Also Bob Day AT joined forces set Profile Proto record 92 mph Would like find out Mike Hoyt still handling jet pipes heads Have able contact him nt forget United States Control Line Model Airplane Championships Winston-Salem NC June 17-18 body thats anybody gonna Contact Bill Pardue 1201 Surry Drive Greensboro NC 27408 next column will cover tach props what RPM ranges look Gene Hem pel Tom Upton 301 N Yale Dr Garland TX 75042 Spitfire/Greene continued page 43 bend shape -sq lead ing edges dry glue place Glue WT-6 top two wing tip semblies WT-4 WT-5 wing tip shown Let dry Hardware Hookup Connect lead-out wires bellcrank slip wires through ribs Use 3/32 aluminum tubing inboard wing tip protect wing tip assembly Glue tubing place epoxy Bend 3/32 pushrod wire shown Sol der bellcrank using washer top bottom install bellcrank Sol der nut bellcrank make certain wont come apart flight Landing Gear Cut piece 1/8 ID brass tubing shown wing section fuselage plan landing gear slip June 1978 97 fio7rnd&i PROPELLERS PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER RIGHT HAND ROTATION 3/B BORE THE PURCHASER Pusher 10-6$150 G RUSH ST JOHN INDIANA 46373 1st Quay Barber 2nd Mike Langlois 3rd Quay Barber 4th Quay Barber 5th Phil Bagwell 6th Mike Langlois bypass flute very using new Gb Gb plug WERE EXPANDING CELEBRATING MODEL BUILDER substantially increasing its RIG coverage new monthly features leading modeling authorities RIG construction articles emphasis how-to. R/C oriented Because free flight control line modelers consider MODEL BUILDER best magazine will contin ue present amount coverage areas including regular Peanut plan feature means MODEL BUILDER must enlarge physically pages doing CELEBRATE WITH US SCRIBE NOW AND GET 3 PEE ISSUES Fill out send coupon check Money Order year subscription $1500 will re ceive 3 additional FREE ISSUES total savings $750 Mall MODEL BUILDER Magazine 621 West 19th St Costa Mesa Calif 92627 [v32][b-1-10-1-10]] REGULAR SUBSCRIPTION IS $1500 SUBSCRIBE NOW AND Address __________________________________________ SAVE $750! RECEIVE 15 ISSUESATONE-THIRDOFF! City __________________State ________ Zip NOTE This offer new subscribers NOT subject additional AMA membership discount [v32][b-1-10-1-10]] tubing held place gear clip made earlier pieces should bolted rib R-1A using two 4/40 screws Drill /i hole s/s edge slot landing gear slot shown Position pin glue epoxy landing gear block Solder gear clip s tubing wont come out flight Wing Sheeting Now come enor mously delicate critical aspect cover ing wing Cover 1/16 sheet balsa Use Sigment glue leading edge sheeting top spar sure splice joining sheeting material -wide center wing rib glue dry remove pins hold /8 leading edge 1 blocks wet leading edge sheeting water bend down over ribs tack-pin /4-sq leading edge sheeting dry has acquired its basic set remove pins Raise forward portion sheeting carefully apply Sigment top ribs -sq leading edge sheeting will fasten sheeting place pins set aside glue dry Back Fuselage fuselage should dry now sand shape shown plan sanding-arm should used now WingOne Time wing has dried remove pins including hold 1 blocks Turn wing over glue bottom two tip semblies WT-4 WT-5 pin place let em dry Glue bottom sheeting same way did top sheeting Cut places sheeting landing gear blocks After glue underside wing dry mark trailing edge TE-2 pencil center rib R-l go Mark both sides conventional fuselage t-up profile fuselage Now install rib cap strips put center planking indicated wing tip weight will added later Engine Installation Check Test mount engine using four 4-40 bolts 1 long four T nuts ensure zero-degree thrust alignment remove glow plug cut 12 piece 1/8 wire place tween center cooling fins head wire will give line eyeball engine zero degree thrust Mark drill holes check make cer tain fit Tail Assembly Next horizontal stabi lizer elevator Clean off sanding dust set elevator over plans Mark edge elevator horn should go Drill straight hole ele vator receive control horn Cut channel horn will fit elevators Test make sure fits well Now mark hinge locations use Exacto #11 blade After making several cuts pull out balsa chips insert hinge check fit Put some Vasoline hinge pivotsbut pivots Apply Sigpoxy part goes balsa Vasoline will allow epoxy stick pivot point Now epoxy control horn elevator align horizontal stabilizer elevator over plan sure pin will dry straight Flaps Place flaps plan po sition control horn mark flaps indicate holes should receive horn Drill holes set horn epoxy firmly place Lay assembly work bench pin keep straight Let dry thoroughly Wing Again Sand wing smooth #220 sandpaper rounding out leading edges tips rest butt joints should disappear touch Dont sand marks trailing edge youll need later reference Check flaps sure control horn dry hinges glued same ele vators Slip flaps wing slot fuselage slip wing fuselage Wing Fuselage Alignment Align wing fuselage placing triangle leading edge wing against 98 Model Aviation Na fuselagethe wing straight Make sure trailing edge marks wing still seen both sides fuselage Also triangle make sure fuselage 900 airfoil opposite canopy Epoxy let dry overnight Drill insert two 3/16 dowls shown Glue epoxy Sigbond Now put bottom fuselage cap F-6 Glue place Sigment Glue flaps hinges trailing edge TE-2 wing same way handled stabilizer elevator Tail Alignment Horizontal stabilizer elevator next glued fuse lage Mark fuselage width cen ter leading edge stabilizer insert fuselage using marks make certain exactly centered Glue Sigbond Use ngular piece glued under side stabilizer extra strength horizontal stabili zer should parallel wing Stand couple feet away eyeball front align top wing bottom stabilizer sure horizontal stabilizer hinge line exactly parallel wing hinge line Measure distance hinge line tip stabilizer trail ing edge wing hinge line both sides distances must equal airplane wont track properly fly proper horizontal altitude After surfaces straight true let whole thing dry thoroughly hour check make sure sur faces still aligned properly give plenty time set fin rudder glued next Use rudder offset shown plan Landing Gear Bend landing gear shape shown plan making sure make left right sure also match sweep-forward shown plan fasten wheels slip wheel over axle washer take couple turns copper wire around axle solder wire washer axle Place main landing gear mounts wing using Sig landing gear straps secure place Bend epoxy tail wheel strut shown Secure wheel same way main gear Connecting Flaps Elevator easy way connect flaps elevator two pieces 3/32 music wire long enough overlap other about 1 shown Wrap copper wire pushrods bent installed keepers flaps elevators should set zero degrees Solder pushrod Put pushrod bearing about halfway between elevator flaps see plan Fuel Tank Mount fuel tank fuselage using music wire rubberbands Use Sullivan 4 oz tank see pic ture Wing Tip Weight engine inCHARACTERISTICS Designed withstand rugged treatment gas powered models must endure TOUGH LIGHTWEIGHT MAR-RESISTANT FINISH FUEL PROOFNOT AFFECTED BY WATER CHEMICALS OR ALCOHOL AND WITHSTANDS RACING FUELS UP TO 50% NITRO METHANE ONE-COMPONENT SYSTEMREQUIRES NO CATALYST LOW ODOR QUICK DRYINGDUST FREE IN 45 MINUTES DRIES HARD IN 4 HOURS WILL NOT WRINKLE OR LIFT WHEN RECOATED FREE OF LEAD HAZARDSNON-TOXIC WHEN DRY SPRAY CONTAINS NO FLUOROCARBON PROPELLENTS BRUSHES EASILY WITHOUT BRUSH MARKS APPLICATIONS Applies paintable surface Since Formula-U does shrink silkapan silk products recommended Aero-Gloss Flat Gloss Clear applied first topcoated Formula-U Brushing Formula-U can thinned spray gun application Colors can mixed Use Formula-U Thinner thinning clean-up SIZES oz Jar Can 12 oz Spray Can Leadouts If havent done already some people like get ahead plan wrap leadouts see plan Finishing After test-fitting fuel tank engineand wing tip weight installedfine-sand entire airplane babys bottom smoothness Paint two coats clear dope both coats dry hard sand whole airplane again fine sand paper lightly clear dope over whole model will keep wood grain rising under covering Cut Silkspan shape over wing wet water using mist sprayer Pull Silkspan around leading edges remove wrinkles Cement Silkspan wing applying clear dope center planking leading edges trailing edges wing tips continually pulling entire wing continually pulling keep wrinkles Silkspan dry paint entire wing six 6 coats clear dope sanding very gently after even-numbered coat Use two three coats sanding sealer over entire airplane fill wood grain June 1978 99 COLORS Brushing Spray choice Hi-Gloss Metallic Flat 0Perfectly match 12 SolarIum colors stalled turn airplane over its rudder nose inboard wing should touch table Apply enough weight allow outboard tip flop down work bench inboard tip will up enough weight Lead solder wrapped light string makes good weight epoxy wood KITS 0 PtANS 0 ACCESSORIES BABY ACEP-NUT KITS NYLON BEARINGS BROWN CO-2 ENGINES _____________________REAL JAPANESE TISSUE-PROPS 57 SPAN COMPLETE CATALOG 50t KIT $4 25 MANY HAED TO FIND ITEMS Pt*-hfywes W BOX 2498LA MESA CALIF 92041 CATALOG 25c DAVIS22 D-IK PLAN CSD-7BY Chas E Steinchak MODERNISTIC MODELS PO B0X6974ALBUQNM87107 sanding lightly after coat Markings The roundels wing placed shown plan top ones shown inboard side bottom ones shown outboard side Heres good easy way make turn out right using compass draw proper circles contact paper cut out Starting center paint area roundel winga little actual area will finished airplane cover area contact paper mask center circle Seal edges clear paint Paint next color again little larger actual roundel will cover proper mask seal edges clear paint Continue until roundel complete Leave paper until rest Spitfire painted peel off contact paper presto youve got professional job may seem faster same time just make sure put right color right circles Pain canopy light blue Add AMA numbers initials can go fuselage Paint bottom airplane light blue paint top olive tan cam ouflage colors Conclusion Both Spitfires needed back plate engine filled sol der trimmed fly May June July 1976 issues Model Aviation Chris Lella tells lot airplanes actions problems articles bal ancing roll yaw pitch control line stunt ships quite good should read control line flyer models described article both capable doing complete AMA pattern problems either have worthy addition stable aerobatic mock-combat champions 52nd Nationals continued page 53 Charles Nats has possible adds up lot enjoyment economical conditions family oriented Nats Further food thought has become harder harder put Nats due cost complexity factors much has increasing talk re cent years about discontinuing Nats changing significantly make manageable might last opportunity enjoy Nats classic tradition Lake Charles offers best combination factors make trip worthwhile ever inclined go Nats years recommended offer facilities view point Lake Charles known site country much ideally suited Nats Thus stage set once again AMA put worlds biggest model meet invited FF Duration/Meuser continued page 55 b tickle funnybones applies getting people tell about find lost models Nats Entry&Meeting Information Advance Entry mail savings big Basic Fee refundable dont show Nats best bet advance entry postmark deadline July 3 Late entries will also permitted contest site during Nats period pri mary requisite events late en tries accomplished before various stages preflight processing events con cerned accordance Nats entry form schedule particularly concerning Scale model turn-in transmitter processing Entry Form full schedule event flying plus Scale turn-in deadlines RC transmitter processing times printed Offical Nats Entry Form Instructions Anyone thinks might enter should obtain 1978 Nats entry form also includes much other useful information available upon request AMA HQ 815 Fifteenth St NW Washington DC 20005 Please include stamped pre-addressed en velope AMA HQ offices Chennault Air Base Lake Charles will open registration late entry July 30 ba sically 8 am noon 1 pm 5 pm day also noon day Indoor site Late Basic Entry Fee Juniors Sen iors $5 same advance fee includes entry event $40 Open mem bers no event included Event fees late entries events added Nats advance entrants $5 per event age categories--except RC $10 per event Mechanics Fee advance late $5 provides identification field access priv ileges equivalent contestants Nats Housing University dormitories available rate $5 per person per night double occupancy Children oc cupy bed use sleeping bag ex ample will charged NATS MEETINGS regular AMA general membership meeting provided AMA by-laws scheduled held Nats Wednesday August 2 600 pmall members invited Nominating Committee open AMA vice-presidents appointed delegates will meet Wednesday August 2 8 pm beginning meeting signals closing time AMA officer nominations President Vice-Presidents District 2 4 6 8 10 19791980 term See AMA News section issue nomination procedures NEW NATS TROPHY POLICY Awards will provided least three places Nats event Juniors Seniors well Open contestants ad dition awards may available de pending upon number advance entries event Thus 10 advance entries age group event will least five awards addition will award ten advance en tries beyond first ten Example 21 ad vance entries six awards five first 10 plus second 10 JUNIORS AND SENIORS Juniors Seniors will receive awards same manner Open adult age entries means encouraging young sters compete Nats Juniors Seniors year get free entry Nats event upon payment basic fee Thus Open contestants have pay $20 basic fee plus $3 per event $10 per RC event Juniors pay $5 basic fee no event fees unless enter event same true Seniors ex cept basic fee $10 Juniors Seniors should know too no late entry penalty fee Open entrants latter have pay $40 late entry after July 3 whereas fee stays same Juniors Seniors no matter enter over 60 events 1978 Nats can entered Juniors Seniors special policies age groups years Nats can happy experience youngsters find out ask free Nats entry formsend stamped selfaddressed envelope AMA 815 Fifteenth St NW Washington DC 20005 100 Model Aviation O ER 8O8 8 CA 088 SCALE DRA~SXa ER SON RFP TECH 45550 M KENZ t HWYV DA OR q ss
Edition: Model Aviation - 1978/06
Page Numbers: 39, 40, 41, 42, 43, 97, 98, 99, 100
For sport flying mock combat demonstrations 35-powered stunter highly recommended project Plans show alternate fuselagesone true profile other built-up profile Roger Greene THE SUPERMARINE Spitfire beautiful deadly fighter planes World War II long time control line enthusiasts have wanted workable model airplane sport flying mock-combat aerial demonstra tion Now can burn up skies control line modelboth solid built-up profile concepts models fly beautifully look great real pleasure build joy fly pleasure have Spitfire conceived fa Top One nice features built-up profile version does sea such Un pleasantries normal seam between plywood doublers balsa identification let ters scale-like actually initials three club members built Spitfires Above elevator/flap linkage shows clearly photothe surfaces positioned convey impression relative amounts movement Alas tank could hidden June 1978 39 irilIFz-- T LEG .4.I/I6 SHEET LEASINGGIG ii.tii--3/32 SPAREDGE PLANKING ~7GEAR I/B SHEET Tn JL3oo AGNINAM TARING I/R GREET USE ONE SHEET GF I/O BALSA AND CUT PARTS GUT AG SHOWN KBR EGGG y R-I GNLS B-I R-I MARE GNE I/O WITRAST LANSING GEAR BLGCR CATTAT _ II R-I GA RI MAKE FOUR 3/AG WITH LANSING SEAR BLGCK CATGUT R-A REINFGRCENENTMARE TINS 3/32 BALSA K ERWIREMARE TWA 3/3D BALSA -I-i/__ S/B SHEETS/IA SR EMARE TWA 3/3D BALSA SOP TI I7___ MARE TINS 3/SD BALSA ci-QQ-iEUZ MARE TWO 3/32 BALSA QmO2 MARE TWO 3/3D BALSA ARSCALEIN INCHES I0 SUPERMARIA PROFILE VERSION DESIGNED 8 DRAWN BY CAT THIS PART GUT FGB ENGINE ON GSTBGABD SIDE CUT rHIS PART OAT FGR ENGINE GN INBOARD AIDE 7 FOG 35 BEAM S PA C IN S -SALLIG mous British designer R J Mitchell mid-1930s first flew 1936 last Spitfire made 1947 closing out 20300 Spits domi nated skies Britain during World War II designed Spitfires described article fill what saw needboth builder stunt flier past members Sky Lancers Washing ton known SLOW Club have staged mock aerial combat using various airplanes built Midwest World War II kits good-sized wing span 48 inches usually powered Fox 35 engine Messerschmitt Me- 109 P-51 Mustang dominated Roger feels first bump primed engine before briskly flipping propeller 40 Model Aviation mock aerial combat field some club members wanted British model help fight Me-109 article describes two Spitfires can built 50-inch wingspan plan provide first class historically accurate competition flying Me- 109 models solid profile fuselage built-up profile fuselageboth fly complete AMA Precision Aerobatic Pattern Construction Study plans thoroughly before put knife wood Cut patterns individual parts out plan taking care cut spar pattern half Use felt tip pen trace patterns wood However Spitfire built several members club WINGPLAN _ PATTERN GF THE TGP TINT RUGNOELS R-3R-O _____ TE-I FI 1 FO K_k~~ 7/3/ II RI // FULL-SIZE PLANS AVAILABLE. SEE PAGE 104 -__ V ILE-S r-1T41-1-4I/iOPAR____r4 —---4---___ ht \\ fl4/9]____I _ *2r~4-~- SUPER 118 SREET--I IITWO-LINE 40G ToH- CRANK NELLCRA NEI PLATFORM {IIIEIII I/N PLYWOOD OR4 J~ P008805 _______________________________________ 5r.......tJ \LANOINA AEGSIIIWINO TIP 7 RETAINING STRAPGj1 I--WEIGROiL TTEBA OF THENW NOEE TEST SHEETINGIN/,1 iiiiIII 1180 N-SI 8-4-- N-SbR-HR-7 I,WT-5 8-IIIII III SO BLOERS 101IIWT SEE TEUTIIi~iiI _________________NTF IWT-4 HINGE LOCATIONS _______________3/4 SPRING BEARING EP B FLAP OFT LEITSBAIISrI/B PLOWOOS BELLCRANE PLATFORM /V0flHIIBI FR __ __ 3130 BALSA SPAR NOTE CPLICE3/8 OFF-GET IN PLOWOOG SPAN GOOBLERI/B PLOWOOSSECTION THRU I/H SHEETPING SAGGER /8 BALSA SHEET BUILT-OP PROFILE SOOBLER CONVENTIONAL PROFILE SPITFIRE MKJ7 GER S GREENE IK8 U9IE _______________ 3/8 I/O F ENGINE REAMS USELAGE KHBW RK ____1/ 3/IA OSMELI/B PLOWOGOI/U BALSAI/O BULGA __F-S1ENOSSHEETCORE- SOLAGO LANSING GEAR CLIP3/SSRAL3O-F 4 DOUBLERr~1PUANRUG 1/18 PLOWOOS G-4ONEOSUBLER-I.-GLASS CLOTH ANS EPUSO PN/4 I/S SHEETS ROLE 330 BUS C B REWASHERS H /HUS BENOCGLORSITO RUBBER WHEEL II1/4 50 BELICRUNE UU-1HOHELLOWI I/N IA BRASS TUBING4--HPLATFORM AUPPORTS______ UE LUNGING GEAR MOANTSC U RUNUEI/B PLOWUOGWHITECONTROL HORN RELLCRANELANSING GEAR UPLATFORM CLIP PATTERNFIBERGLAUS CLSTH I/IN PLOWOOG TIN GTGCR MGSIC W RE BEAR NO COPPER N RE SOLGER I/4I/OGHEET NSTE TAPER 0/B RURBER_______________________________________________________________________________ WHEEL 0 0345N KZFUGELASE -F-i SM F-B I/N 3/B R4 I/B BALSAGIGE can mount patterns some type sturdy backing method use glue patterns gift box cardboard just about right strength weight Get large box handles department store studying building sequence may seem jumping around bit has designed get work done least amount time work ing assembly glue dry ing another can get Spitfire built field sooner Begin wing spar Use two sheets 3/32 balsa shown plan Youll have make splice middle cut wood accordingly cut 1/16 plywood spar doubler will glued front full-depth spar piece 3/32 balsa rear spar doubler doublers necessary added strength Align pieces over cardboardmounted plans glue clamp drying Fuselage While spar its doublers drying start building fuselage have choice building conven tional profile built-up profile fuselageboth shown plan built-up profile will lighter aft section will look little realistic because wont see joint ply wood doubler canopy will out lined wood instead paint Built-up Profile Fuselage Start making less solid portion fuse lage Use sheet X 36 balsa Cut out parts F-l F-2 F-3 sure follow curves just behind canopy er rib R-l F-3 cut unused part above fuselage After fuselage pieces cut glue F-l F-2 F-3 together over plan using Sigment pins Conventional Profile Glue together two pieces 36 balsa Sigment make 6-wide piece After glue dry cut shape shown will still have cut F-3 glue shown plan Cut hole wing engine engine beams Cut I/SHY plywood fuselage doublers shape space mount engine outboard side hole bottom back plate screw Fox 35 inboard side Apply Sigbond aliphatic re sin clamp let dry overnight Stabilizer Elevator fuselage June 1978 41 ---II/IN PLOWOOG LERS 4ijI Left George Marenka designer/author Roger Greene rightl Georges Spiffire Right Mike Kresan displays bottom Spitfire show contrast between top bottom paint schemes color scheme depicted model authentic drying cut horizontal stabilizer elevator out 5/16 balsa sheet avail able otherwise use 1/4 balsa sheet firm Cut fin rudder out a medium flaps cut a soft Wing Tips wing tip pieces WT-l through WT-6 cut out /8 balsa sheet Glue WT-l WT-2 WT-3 gether make two assemblies Glue WT-4 WT-5 together make four assemblies wing leading edge LE-1 LE-2 LE-3 cut balsa sheet LE-l can /s X piece cut fit Cut two LE-2 LE-3 Glue LE-l LE-2 LE-3 together over plan Cut trailing edge TE-l /8 balsa sheet TE-2 sanded X 36 strip use piece straight possible Wing Ribs Carve ribs out 3/32 balsa sure make right number rib cut-outs cor rect rib Also make holes lead-out wires inboard wing panel Glue / 16 plywood doublers R- 1 see plan energy department consists case beam-mounted Fox 35 Sullivan SS-4 tank rubberbanded Disco flier may try different props good all-around size 10-6 Built-Up Profile After -thick fuse lage dry can lighten cutting out unneeded portions wood Use metal lipstick top /2 piece brass tubing would cookie-cutter cut out useless balsa weight Sharpen end put 3/32 X 4 piece music wire through side solder place wire will act handle help twist tool cut holes nd engine mounts 1 above wing top fuselage forth Leave least /2 sheet Glue /8 plywood doublers a fuselage Sigbond Aliphatic Resin works very well sure cut-outs engine proper sides airplane Let fuselage dry over night Make simple wood clamp glue doublers two pieces ood six 2 6-32 bolts washer end butterfly nut easy tightening Wing Find rib R-lA drill two /8 holes either Veco landing gear clip own making dont have Veco make landing gear clip out piece tin shown plan location clip shown wing section fuselage plan Hold spar slots up place R-l center place R-lA next R-lB Insert two -sq bellcrank supports place other ribs spar order Insert TE-l leading edge sembly LE-l LE-2 LE-3 slots ribs insert both wing tip assemblies WT- 1 WT-2 WT-3 simple wing jig will necessary make sure wing doesnt warp twist glue setting Take piece balsa square 12 long felt-tipped marker draw line along its length right down middle Now cut piece 12 equal pieces 12 1 cubes will used support wing glue Place blocks shown plan under leading trailing edges wing assembly reference line right down middle up guide Pin blocks work bench Align ribs plan Pin leading edge LE trailing edges ribs pin ribs spar center -sq balsa belicrank plat form supports done ensure straight true wing Now glue various wing pieces gether ribs spar wing tips leading edges trailing edges 1/4 squares insert bellcrank plat form glue place aliphatic glue Let wing dry overnight Back fuselage built-up profile fuselage parts F-l F-2 F-3 dry unclamp Next cut /s sides shape Cut top bottom pieces t balsa Note taper shown plan Glue /8 balsa sides top p F-5 part F-4 Lay front part fuselage bench a side down Prop up aft portion /4 let dry glue other side fuselage pin place set aside dry glue bottom p yet Easy Does waiting glue set cut out sand flaps rudder fin elevator stabilizer E-2 trailing edge wing shape shown sitting arm should feel though have just pitched nine innings word cau tion though dont go too fast take easy let beautiful Spitfire lines develop slowly Wing Again wing structure set aside dry has indeed dried glue TE-2 place behind TE-l snug fit required between WT-ls Next glue eading edge wont bend easily around wing tip wet Continued page 97 Heres clever trick add realismif making built-up profile Cut away sur face laminations around canopy area note smooth joint between doubler side skin big attraction Spitfire its distinctive planform Its fine all-around performance came great engine ultra-clean streamlining unusually large wing area WW-Il fighter Two trio Spiffires ready go against Me109s flown other SLOW club members Loading way Mike Kresans ship Georoe Marenkas just behind poses wing-mans Coloring olive tan camouflage light blue undersurfaces about contests new products will publish some column like name print write us Fred RandellMA Enterprises 659 Colony Rd Box 7305 Canal Fulton OH 44614 216/854-4233is producing ink-sack pen bladders again Price $1800 per hundred plus postage Nick ArpinoDarp Speed Pans 301 Woodacres Rd East Patchogue NY 11772 516/286-8144is adding 21long Formula-40 pan already fine line A-FAI 15 long B-C 18 long D 20 long Brassels Speed Equipment 1215 N Concord Rd Chattanooga TN 37421 615/892-5995Harters speed pans mono-line wire handles Bill Pardue described recent Golden Trial Model Masters Fall Contest Winston-Salem NC October 22 seems Quay Barbers Lil Shaver profile proto Put Mike Langlois record/ratio speed event Actually profile model flown mono-line enclosed proto class new Junior record interesting note Quay Bar zers /2A profile mono-line outran both Bagwells Langlois pure speed models 3-port mini-pipe Cox engines Barber running nearly stock TD final results record/ratio speed event looked like GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 6 8 & 10 PITCH20800 221000 241300 AT YOUR DEALER USE TO PROPEL AIR ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE 1-IELICAL 2 Blade Tractor 5-3each 5-45/-3 6-3 7-47-6 8-48-6 9-49-6 9-810-4 11-411-6 12-412-5 5%-4 6-4 7-8 8-8 9-7 10-6 11-8 12-6 304 354 SOd 654 854 $1 $150 CREATE THRUST AND BE PROPELLED BY AIR DISCRETION OF 2 Blade Pusher 5A-4 6-36-4 35d 8-685d 9-610-6$1 BLADE 3 BladeTractorx 5-3 6-36-4SOd 3 BladePusher 6-3SodMetallic Aluminum Color Made polyester boll color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Jr Proto Open Jet Speed Jr Profile Proto Jr 1/2ASpeed Sr Y2A Speed Op A Speed slightly raised Bee A-insert-type same type plug Nick used recently set new Open speed record 121 mph recent Day ton Ohio meet Al Stegins reported have run 117-119 #2 engine open face exhaust Gb Bee plug really honking proto #1 engine until ground jumped up grab should noted three official flights Langlois jet lap glide included clocking 6-op non-pressure tank Mike getting 9 laps under power launch getting pylon after ship still ground some flights 211 210 50% propylene oxide 50% nitro-methane Nit rotane about ten flights flown same set valves stub backup valves same diameter retainer Retainer turned back 050 stock 50/50 fuel fed pressure tank coming through metering jet drilled #42 drill size Bill also advises careful what9752 mph 21118mph 9406 mph 10634 mph 10461 mph 10621 mph 1043 1%9406 Backup 10269%21020 Backup 10146% 984 1% 9418% 88 00% ever tubing using watch out pin holes Bill Pardue indicated doing series jet articles Da Gaz have read some Bills jet scoop Gaz Encourage jet speed fliers sub scribe Da Gaz Its $500 per year Doc Jackson 523 Meadowbrook Circle St Davids PA 19087 Between Doc Bill folks should getting inter ested speed flying again I-lope indicator speed upswing Received call T Wright Jacksonville Florida about King Orange meet December 30 31 1977 January 1 1978 weather fair rained little enough really stop things Participation ex cellent Free Flight Stunt Combat Goodyear Rat Entries Speed Carrier low AT set new D speed record under 78-79 rules 197 mph mini-pipe Also Bob Day AT joined forces set Profile Proto record 92 mph Would like find out Mike Hoyt still handling jet pipes heads Have able contact him nt forget United States Control Line Model Airplane Championships Winston-Salem NC June 17-18 body thats anybody gonna Contact Bill Pardue 1201 Surry Drive Greensboro NC 27408 next column will cover tach props what RPM ranges look Gene Hem pel Tom Upton 301 N Yale Dr Garland TX 75042 Spitfire/Greene continued page 43 bend shape -sq lead ing edges dry glue place Glue WT-6 top two wing tip semblies WT-4 WT-5 wing tip shown Let dry Hardware Hookup Connect lead-out wires bellcrank slip wires through ribs Use 3/32 aluminum tubing inboard wing tip protect wing tip assembly Glue tubing place epoxy Bend 3/32 pushrod wire shown Sol der bellcrank using washer top bottom install bellcrank Sol der nut bellcrank make certain wont come apart flight Landing Gear Cut piece 1/8 ID brass tubing shown wing section fuselage plan landing gear slip June 1978 97 fio7rnd&i PROPELLERS PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER RIGHT HAND ROTATION 3/B BORE THE PURCHASER Pusher 10-6$150 G RUSH ST JOHN INDIANA 46373 1st Quay Barber 2nd Mike Langlois 3rd Quay Barber 4th Quay Barber 5th Phil Bagwell 6th Mike Langlois bypass flute very using new Gb Gb plug WERE EXPANDING CELEBRATING MODEL BUILDER substantially increasing its RIG coverage new monthly features leading modeling authorities RIG construction articles emphasis how-to. R/C oriented Because free flight control line modelers consider MODEL BUILDER best magazine will contin ue present amount coverage areas including regular Peanut plan feature means MODEL BUILDER must enlarge physically pages doing CELEBRATE WITH US SCRIBE NOW AND GET 3 PEE ISSUES Fill out send coupon check Money Order year subscription $1500 will re ceive 3 additional FREE ISSUES total savings $750 Mall MODEL BUILDER Magazine 621 West 19th St Costa Mesa Calif 92627 [v32][b-1-10-1-10]] REGULAR SUBSCRIPTION IS $1500 SUBSCRIBE NOW AND Address __________________________________________ SAVE $750! RECEIVE 15 ISSUESATONE-THIRDOFF! City __________________State ________ Zip NOTE This offer new subscribers NOT subject additional AMA membership discount [v32][b-1-10-1-10]] tubing held place gear clip made earlier pieces should bolted rib R-1A using two 4/40 screws Drill /i hole s/s edge slot landing gear slot shown Position pin glue epoxy landing gear block Solder gear clip s tubing wont come out flight Wing Sheeting Now come enor mously delicate critical aspect cover ing wing Cover 1/16 sheet balsa Use Sigment glue leading edge sheeting top spar sure splice joining sheeting material -wide center wing rib glue dry remove pins hold /8 leading edge 1 blocks wet leading edge sheeting water bend down over ribs tack-pin /4-sq leading edge sheeting dry has acquired its basic set remove pins Raise forward portion sheeting carefully apply Sigment top ribs -sq leading edge sheeting will fasten sheeting place pins set aside glue dry Back Fuselage fuselage should dry now sand shape shown plan sanding-arm should used now WingOne Time wing has dried remove pins including hold 1 blocks Turn wing over glue bottom two tip semblies WT-4 WT-5 pin place let em dry Glue bottom sheeting same way did top sheeting Cut places sheeting landing gear blocks After glue underside wing dry mark trailing edge TE-2 pencil center rib R-l go Mark both sides conventional fuselage t-up profile fuselage Now install rib cap strips put center planking indicated wing tip weight will added later Engine Installation Check Test mount engine using four 4-40 bolts 1 long four T nuts ensure zero-degree thrust alignment remove glow plug cut 12 piece 1/8 wire place tween center cooling fins head wire will give line eyeball engine zero degree thrust Mark drill holes check make cer tain fit Tail Assembly Next horizontal stabi lizer elevator Clean off sanding dust set elevator over plans Mark edge elevator horn should go Drill straight hole ele vator receive control horn Cut channel horn will fit elevators Test make sure fits well Now mark hinge locations use Exacto #11 blade After making several cuts pull out balsa chips insert hinge check fit Put some Vasoline hinge pivotsbut pivots Apply Sigpoxy part goes balsa Vasoline will allow epoxy stick pivot point Now epoxy control horn elevator align horizontal stabilizer elevator over plan sure pin will dry straight Flaps Place flaps plan po sition control horn mark flaps indicate holes should receive horn Drill holes set horn epoxy firmly place Lay assembly work bench pin keep straight Let dry thoroughly Wing Again Sand wing smooth #220 sandpaper rounding out leading edges tips rest butt joints should disappear touch Dont sand marks trailing edge youll need later reference Check flaps sure control horn dry hinges glued same ele vators Slip flaps wing slot fuselage slip wing fuselage Wing Fuselage Alignment Align wing fuselage placing triangle leading edge wing against 98 Model Aviation Na fuselagethe wing straight Make sure trailing edge marks wing still seen both sides fuselage Also triangle make sure fuselage 900 airfoil opposite canopy Epoxy let dry overnight Drill insert two 3/16 dowls shown Glue epoxy Sigbond Now put bottom fuselage cap F-6 Glue place Sigment Glue flaps hinges trailing edge TE-2 wing same way handled stabilizer elevator Tail Alignment Horizontal stabilizer elevator next glued fuse lage Mark fuselage width cen ter leading edge stabilizer insert fuselage using marks make certain exactly centered Glue Sigbond Use ngular piece glued under side stabilizer extra strength horizontal stabili zer should parallel wing Stand couple feet away eyeball front align top wing bottom stabilizer sure horizontal stabilizer hinge line exactly parallel wing hinge line Measure distance hinge line tip stabilizer trail ing edge wing hinge line both sides distances must equal airplane wont track properly fly proper horizontal altitude After surfaces straight true let whole thing dry thoroughly hour check make sure sur faces still aligned properly give plenty time set fin rudder glued next Use rudder offset shown plan Landing Gear Bend landing gear shape shown plan making sure make left right sure also match sweep-forward shown plan fasten wheels slip wheel over axle washer take couple turns copper wire around axle solder wire washer axle Place main landing gear mounts wing using Sig landing gear straps secure place Bend epoxy tail wheel strut shown Secure wheel same way main gear Connecting Flaps Elevator easy way connect flaps elevator two pieces 3/32 music wire long enough overlap other about 1 shown Wrap copper wire pushrods bent installed keepers flaps elevators should set zero degrees Solder pushrod Put pushrod bearing about halfway between elevator flaps see plan Fuel Tank Mount fuel tank fuselage using music wire rubberbands Use Sullivan 4 oz tank see pic ture Wing Tip Weight engine inCHARACTERISTICS Designed withstand rugged treatment gas powered models must endure TOUGH LIGHTWEIGHT MAR-RESISTANT FINISH FUEL PROOFNOT AFFECTED BY WATER CHEMICALS OR ALCOHOL AND WITHSTANDS RACING FUELS UP TO 50% NITRO METHANE ONE-COMPONENT SYSTEMREQUIRES NO CATALYST LOW ODOR QUICK DRYINGDUST FREE IN 45 MINUTES DRIES HARD IN 4 HOURS WILL NOT WRINKLE OR LIFT WHEN RECOATED FREE OF LEAD HAZARDSNON-TOXIC WHEN DRY SPRAY CONTAINS NO FLUOROCARBON PROPELLENTS BRUSHES EASILY WITHOUT BRUSH MARKS APPLICATIONS Applies paintable surface Since Formula-U does shrink silkapan silk products recommended Aero-Gloss Flat Gloss Clear applied first topcoated Formula-U Brushing Formula-U can thinned spray gun application Colors can mixed Use Formula-U Thinner thinning clean-up SIZES oz Jar Can 12 oz Spray Can Leadouts If havent done already some people like get ahead plan wrap leadouts see plan Finishing After test-fitting fuel tank engineand wing tip weight installedfine-sand entire airplane babys bottom smoothness Paint two coats clear dope both coats dry hard sand whole airplane again fine sand paper lightly clear dope over whole model will keep wood grain rising under covering Cut Silkspan shape over wing wet water using mist sprayer Pull Silkspan around leading edges remove wrinkles Cement Silkspan wing applying clear dope center planking leading edges trailing edges wing tips continually pulling entire wing continually pulling keep wrinkles Silkspan dry paint entire wing six 6 coats clear dope sanding very gently after even-numbered coat Use two three coats sanding sealer over entire airplane fill wood grain June 1978 99 COLORS Brushing Spray choice Hi-Gloss Metallic Flat 0Perfectly match 12 SolarIum colors stalled turn airplane over its rudder nose inboard wing should touch table Apply enough weight allow outboard tip flop down work bench inboard tip will up enough weight Lead solder wrapped light string makes good weight epoxy wood KITS 0 PtANS 0 ACCESSORIES BABY ACEP-NUT KITS NYLON BEARINGS BROWN CO-2 ENGINES _____________________REAL JAPANESE TISSUE-PROPS 57 SPAN COMPLETE CATALOG 50t KIT $4 25 MANY HAED TO FIND ITEMS Pt*-hfywes W BOX 2498LA MESA CALIF 92041 CATALOG 25c DAVIS22 D-IK PLAN CSD-7BY Chas E Steinchak MODERNISTIC MODELS PO B0X6974ALBUQNM87107 sanding lightly after coat Markings The roundels wing placed shown plan top ones shown inboard side bottom ones shown outboard side Heres good easy way make turn out right using compass draw proper circles contact paper cut out Starting center paint area roundel winga little actual area will finished airplane cover area contact paper mask center circle Seal edges clear paint Paint next color again little larger actual roundel will cover proper mask seal edges clear paint Continue until roundel complete Leave paper until rest Spitfire painted peel off contact paper presto youve got professional job may seem faster same time just make sure put right color right circles Pain canopy light blue Add AMA numbers initials can go fuselage Paint bottom airplane light blue paint top olive tan cam ouflage colors Conclusion Both Spitfires needed back plate engine filled sol der trimmed fly May June July 1976 issues Model Aviation Chris Lella tells lot airplanes actions problems articles bal ancing roll yaw pitch control line stunt ships quite good should read control line flyer models described article both capable doing complete AMA pattern problems either have worthy addition stable aerobatic mock-combat champions 52nd Nationals continued page 53 Charles Nats has possible adds up lot enjoyment economical conditions family oriented Nats Further food thought has become harder harder put Nats due cost complexity factors much has increasing talk re cent years about discontinuing Nats changing significantly make manageable might last opportunity enjoy Nats classic tradition Lake Charles offers best combination factors make trip worthwhile ever inclined go Nats years recommended offer facilities view point Lake Charles known site country much ideally suited Nats Thus stage set once again AMA put worlds biggest model meet invited FF Duration/Meuser continued page 55 b tickle funnybones applies getting people tell about find lost models Nats Entry&Meeting Information Advance Entry mail savings big Basic Fee refundable dont show Nats best bet advance entry postmark deadline July 3 Late entries will also permitted contest site during Nats period pri mary requisite events late en tries accomplished before various stages preflight processing events con cerned accordance Nats entry form schedule particularly concerning Scale model turn-in transmitter processing Entry Form full schedule event flying plus Scale turn-in deadlines RC transmitter processing times printed Offical Nats Entry Form Instructions Anyone thinks might enter should obtain 1978 Nats entry form also includes much other useful information available upon request AMA HQ 815 Fifteenth St NW Washington DC 20005 Please include stamped pre-addressed en velope AMA HQ offices Chennault Air Base Lake Charles will open registration late entry July 30 ba sically 8 am noon 1 pm 5 pm day also noon day Indoor site Late Basic Entry Fee Juniors Sen iors $5 same advance fee includes entry event $40 Open mem bers no event included Event fees late entries events added Nats advance entrants $5 per event age categories--except RC $10 per event Mechanics Fee advance late $5 provides identification field access priv ileges equivalent contestants Nats Housing University dormitories available rate $5 per person per night double occupancy Children oc cupy bed use sleeping bag ex ample will charged NATS MEETINGS regular AMA general membership meeting provided AMA by-laws scheduled held Nats Wednesday August 2 600 pmall members invited Nominating Committee open AMA vice-presidents appointed delegates will meet Wednesday August 2 8 pm beginning meeting signals closing time AMA officer nominations President Vice-Presidents District 2 4 6 8 10 19791980 term See AMA News section issue nomination procedures NEW NATS TROPHY POLICY Awards will provided least three places Nats event Juniors Seniors well Open contestants ad dition awards may available de pending upon number advance entries event Thus 10 advance entries age group event will least five awards addition will award ten advance en tries beyond first ten Example 21 ad vance entries six awards five first 10 plus second 10 JUNIORS AND SENIORS Juniors Seniors will receive awards same manner Open adult age entries means encouraging young sters compete Nats Juniors Seniors year get free entry Nats event upon payment basic fee Thus Open contestants have pay $20 basic fee plus $3 per event $10 per RC event Juniors pay $5 basic fee no event fees unless enter event same true Seniors ex cept basic fee $10 Juniors Seniors should know too no late entry penalty fee Open entrants latter have pay $40 late entry after July 3 whereas fee stays same Juniors Seniors no matter enter over 60 events 1978 Nats can entered Juniors Seniors special policies age groups years Nats can happy experience youngsters find out ask free Nats entry formsend stamped selfaddressed envelope AMA 815 Fifteenth St NW Washington DC 20005 100 Model Aviation O ER 8O8 8 CA 088 SCALE DRA~SXa ER SON RFP TECH 45550 M KENZ t HWYV DA OR q ss
Edition: Model Aviation - 1978/06
Page Numbers: 39, 40, 41, 42, 43, 97, 98, 99, 100
For sport flying mock combat demonstrations 35-powered stunter highly recommended project Plans show alternate fuselagesone true profile other built-up profile Roger Greene THE SUPERMARINE Spitfire beautiful deadly fighter planes World War II long time control line enthusiasts have wanted workable model airplane sport flying mock-combat aerial demonstra tion Now can burn up skies control line modelboth solid built-up profile concepts models fly beautifully look great real pleasure build joy fly pleasure have Spitfire conceived fa Top One nice features built-up profile version does sea such Un pleasantries normal seam between plywood doublers balsa identification let ters scale-like actually initials three club members built Spitfires Above elevator/flap linkage shows clearly photothe surfaces positioned convey impression relative amounts movement Alas tank could hidden June 1978 39 irilIFz-- T LEG .4.I/I6 SHEET LEASINGGIG ii.tii--3/32 SPAREDGE PLANKING ~7GEAR I/B SHEET Tn JL3oo AGNINAM TARING I/R GREET USE ONE SHEET GF I/O BALSA AND CUT PARTS GUT AG SHOWN KBR EGGG y R-I GNLS B-I R-I MARE GNE I/O WITRAST LANSING GEAR BLGCR CATTAT _ II R-I GA RI MAKE FOUR 3/AG WITH LANSING SEAR BLGCK CATGUT R-A REINFGRCENENTMARE TINS 3/32 BALSA K ERWIREMARE TWA 3/3D BALSA -I-i/__ S/B SHEETS/IA SR EMARE TWA 3/3D BALSA SOP TI I7___ MARE TINS 3/SD BALSA ci-QQ-iEUZ MARE TWO 3/32 BALSA QmO2 MARE TWO 3/3D BALSA ARSCALEIN INCHES I0 SUPERMARIA PROFILE VERSION DESIGNED 8 DRAWN BY CAT THIS PART GUT FGB ENGINE ON GSTBGABD SIDE CUT rHIS PART OAT FGR ENGINE GN INBOARD AIDE 7 FOG 35 BEAM S PA C IN S -SALLIG mous British designer R J Mitchell mid-1930s first flew 1936 last Spitfire made 1947 closing out 20300 Spits domi nated skies Britain during World War II designed Spitfires described article fill what saw needboth builder stunt flier past members Sky Lancers Washing ton known SLOW Club have staged mock aerial combat using various airplanes built Midwest World War II kits good-sized wing span 48 inches usually powered Fox 35 engine Messerschmitt Me- 109 P-51 Mustang dominated Roger feels first bump primed engine before briskly flipping propeller 40 Model Aviation mock aerial combat field some club members wanted British model help fight Me-109 article describes two Spitfires can built 50-inch wingspan plan provide first class historically accurate competition flying Me- 109 models solid profile fuselage built-up profile fuselageboth fly complete AMA Precision Aerobatic Pattern Construction Study plans thoroughly before put knife wood Cut patterns individual parts out plan taking care cut spar pattern half Use felt tip pen trace patterns wood However Spitfire built several members club WINGPLAN _ PATTERN GF THE TGP TINT RUGNOELS R-3R-O _____ TE-I FI 1 FO K_k~~ 7/3/ II RI // FULL-SIZE PLANS AVAILABLE. SEE PAGE 104 -__ V ILE-S r-1T41-1-4I/iOPAR____r4 —---4---___ ht \\ fl4/9]____I _ *2r~4-~- SUPER 118 SREET--I IITWO-LINE 40G ToH- CRANK NELLCRA NEI PLATFORM {IIIEIII I/N PLYWOOD OR4 J~ P008805 _______________________________________ 5r.......tJ \LANOINA AEGSIIIWINO TIP 7 RETAINING STRAPGj1 I--WEIGROiL TTEBA OF THENW NOEE TEST SHEETINGIN/,1 iiiiIII 1180 N-SI 8-4-- N-SbR-HR-7 I,WT-5 8-IIIII III SO BLOERS 101IIWT SEE TEUTIIi~iiI _________________NTF IWT-4 HINGE LOCATIONS _______________3/4 SPRING BEARING EP B FLAP OFT LEITSBAIISrI/B PLOWOOS BELLCRANE PLATFORM /V0flHIIBI FR __ __ 3130 BALSA SPAR NOTE CPLICE3/8 OFF-GET IN PLOWOOG SPAN GOOBLERI/B PLOWOOSSECTION THRU I/H SHEETPING SAGGER /8 BALSA SHEET BUILT-OP PROFILE SOOBLER CONVENTIONAL PROFILE SPITFIRE MKJ7 GER S GREENE IK8 U9IE _______________ 3/8 I/O F ENGINE REAMS USELAGE KHBW RK ____1/ 3/IA OSMELI/B PLOWOGOI/U BALSAI/O BULGA __F-S1ENOSSHEETCORE- SOLAGO LANSING GEAR CLIP3/SSRAL3O-F 4 DOUBLERr~1PUANRUG 1/18 PLOWOOS G-4ONEOSUBLER-I.-GLASS CLOTH ANS EPUSO PN/4 I/S SHEETS ROLE 330 BUS C B REWASHERS H /HUS BENOCGLORSITO RUBBER WHEEL II1/4 50 BELICRUNE UU-1HOHELLOWI I/N IA BRASS TUBING4--HPLATFORM AUPPORTS______ UE LUNGING GEAR MOANTSC U RUNUEI/B PLOWUOGWHITECONTROL HORN RELLCRANELANSING GEAR UPLATFORM CLIP PATTERNFIBERGLAUS CLSTH I/IN PLOWOOG TIN GTGCR MGSIC W RE BEAR NO COPPER N RE SOLGER I/4I/OGHEET NSTE TAPER 0/B RURBER_______________________________________________________________________________ WHEEL 0 0345N KZFUGELASE -F-i SM F-B I/N 3/B R4 I/B BALSAGIGE can mount patterns some type sturdy backing method use glue patterns gift box cardboard just about right strength weight Get large box handles department store studying building sequence may seem jumping around bit has designed get work done least amount time work ing assembly glue dry ing another can get Spitfire built field sooner Begin wing spar Use two sheets 3/32 balsa shown plan Youll have make splice middle cut wood accordingly cut 1/16 plywood spar doubler will glued front full-depth spar piece 3/32 balsa rear spar doubler doublers necessary added strength Align pieces over cardboardmounted plans glue clamp drying Fuselage While spar its doublers drying start building fuselage have choice building conven tional profile built-up profile fuselageboth shown plan built-up profile will lighter aft section will look little realistic because wont see joint ply wood doubler canopy will out lined wood instead paint Built-up Profile Fuselage Start making less solid portion fuse lage Use sheet X 36 balsa Cut out parts F-l F-2 F-3 sure follow curves just behind canopy er rib R-l F-3 cut unused part above fuselage After fuselage pieces cut glue F-l F-2 F-3 together over plan using Sigment pins Conventional Profile Glue together two pieces 36 balsa Sigment make 6-wide piece After glue dry cut shape shown will still have cut F-3 glue shown plan Cut hole wing engine engine beams Cut I/SHY plywood fuselage doublers shape space mount engine outboard side hole bottom back plate screw Fox 35 inboard side Apply Sigbond aliphatic re sin clamp let dry overnight Stabilizer Elevator fuselage June 1978 41 ---II/IN PLOWOOG LERS 4ijI Left George Marenka designer/author Roger Greene rightl Georges Spiffire Right Mike Kresan displays bottom Spitfire show contrast between top bottom paint schemes color scheme depicted model authentic drying cut horizontal stabilizer elevator out 5/16 balsa sheet avail able otherwise use 1/4 balsa sheet firm Cut fin rudder out a medium flaps cut a soft Wing Tips wing tip pieces WT-l through WT-6 cut out /8 balsa sheet Glue WT-l WT-2 WT-3 gether make two assemblies Glue WT-4 WT-5 together make four assemblies wing leading edge LE-1 LE-2 LE-3 cut balsa sheet LE-l can /s X piece cut fit Cut two LE-2 LE-3 Glue LE-l LE-2 LE-3 together over plan Cut trailing edge TE-l /8 balsa sheet TE-2 sanded X 36 strip use piece straight possible Wing Ribs Carve ribs out 3/32 balsa sure make right number rib cut-outs cor rect rib Also make holes lead-out wires inboard wing panel Glue / 16 plywood doublers R- 1 see plan energy department consists case beam-mounted Fox 35 Sullivan SS-4 tank rubberbanded Disco flier may try different props good all-around size 10-6 Built-Up Profile After -thick fuse lage dry can lighten cutting out unneeded portions wood Use metal lipstick top /2 piece brass tubing would cookie-cutter cut out useless balsa weight Sharpen end put 3/32 X 4 piece music wire through side solder place wire will act handle help twist tool cut holes nd engine mounts 1 above wing top fuselage forth Leave least /2 sheet Glue /8 plywood doublers a fuselage Sigbond Aliphatic Resin works very well sure cut-outs engine proper sides airplane Let fuselage dry over night Make simple wood clamp glue doublers two pieces ood six 2 6-32 bolts washer end butterfly nut easy tightening Wing Find rib R-lA drill two /8 holes either Veco landing gear clip own making dont have Veco make landing gear clip out piece tin shown plan location clip shown wing section fuselage plan Hold spar slots up place R-l center place R-lA next R-lB Insert two -sq bellcrank supports place other ribs spar order Insert TE-l leading edge sembly LE-l LE-2 LE-3 slots ribs insert both wing tip assemblies WT- 1 WT-2 WT-3 simple wing jig will necessary make sure wing doesnt warp twist glue setting Take piece balsa square 12 long felt-tipped marker draw line along its length right down middle Now cut piece 12 equal pieces 12 1 cubes will used support wing glue Place blocks shown plan under leading trailing edges wing assembly reference line right down middle up guide Pin blocks work bench Align ribs plan Pin leading edge LE trailing edges ribs pin ribs spar center -sq balsa belicrank plat form supports done ensure straight true wing Now glue various wing pieces gether ribs spar wing tips leading edges trailing edges 1/4 squares insert bellcrank plat form glue place aliphatic glue Let wing dry overnight Back fuselage built-up profile fuselage parts F-l F-2 F-3 dry unclamp Next cut /s sides shape Cut top bottom pieces t balsa Note taper shown plan Glue /8 balsa sides top p F-5 part F-4 Lay front part fuselage bench a side down Prop up aft portion /4 let dry glue other side fuselage pin place set aside dry glue bottom p yet Easy Does waiting glue set cut out sand flaps rudder fin elevator stabilizer E-2 trailing edge wing shape shown sitting arm should feel though have just pitched nine innings word cau tion though dont go too fast take easy let beautiful Spitfire lines develop slowly Wing Again wing structure set aside dry has indeed dried glue TE-2 place behind TE-l snug fit required between WT-ls Next glue eading edge wont bend easily around wing tip wet Continued page 97 Heres clever trick add realismif making built-up profile Cut away sur face laminations around canopy area note smooth joint between doubler side skin big attraction Spitfire its distinctive planform Its fine all-around performance came great engine ultra-clean streamlining unusually large wing area WW-Il fighter Two trio Spiffires ready go against Me109s flown other SLOW club members Loading way Mike Kresans ship Georoe Marenkas just behind poses wing-mans Coloring olive tan camouflage light blue undersurfaces about contests new products will publish some column like name print write us Fred RandellMA Enterprises 659 Colony Rd Box 7305 Canal Fulton OH 44614 216/854-4233is producing ink-sack pen bladders again Price $1800 per hundred plus postage Nick ArpinoDarp Speed Pans 301 Woodacres Rd East Patchogue NY 11772 516/286-8144is adding 21long Formula-40 pan already fine line A-FAI 15 long B-C 18 long D 20 long Brassels Speed Equipment 1215 N Concord Rd Chattanooga TN 37421 615/892-5995Harters speed pans mono-line wire handles Bill Pardue described recent Golden Trial Model Masters Fall Contest Winston-Salem NC October 22 seems Quay Barbers Lil Shaver profile proto Put Mike Langlois record/ratio speed event Actually profile model flown mono-line enclosed proto class new Junior record interesting note Quay Bar zers /2A profile mono-line outran both Bagwells Langlois pure speed models 3-port mini-pipe Cox engines Barber running nearly stock TD final results record/ratio speed event looked like GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 6 8 & 10 PITCH20800 221000 241300 AT YOUR DEALER USE TO PROPEL AIR ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE 1-IELICAL 2 Blade Tractor 5-3each 5-45/-3 6-3 7-47-6 8-48-6 9-49-6 9-810-4 11-411-6 12-412-5 5%-4 6-4 7-8 8-8 9-7 10-6 11-8 12-6 304 354 SOd 654 854 $1 $150 CREATE THRUST AND BE PROPELLED BY AIR DISCRETION OF 2 Blade Pusher 5A-4 6-36-4 35d 8-685d 9-610-6$1 BLADE 3 BladeTractorx 5-3 6-36-4SOd 3 BladePusher 6-3SodMetallic Aluminum Color Made polyester boll color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Jr Proto Open Jet Speed Jr Profile Proto Jr 1/2ASpeed Sr Y2A Speed Op A Speed slightly raised Bee A-insert-type same type plug Nick used recently set new Open speed record 121 mph recent Day ton Ohio meet Al Stegins reported have run 117-119 #2 engine open face exhaust Gb Bee plug really honking proto #1 engine until ground jumped up grab should noted three official flights Langlois jet lap glide included clocking 6-op non-pressure tank Mike getting 9 laps under power launch getting pylon after ship still ground some flights 211 210 50% propylene oxide 50% nitro-methane Nit rotane about ten flights flown same set valves stub backup valves same diameter retainer Retainer turned back 050 stock 50/50 fuel fed pressure tank coming through metering jet drilled #42 drill size Bill also advises careful what9752 mph 21118mph 9406 mph 10634 mph 10461 mph 10621 mph 1043 1%9406 Backup 10269%21020 Backup 10146% 984 1% 9418% 88 00% ever tubing using watch out pin holes Bill Pardue indicated doing series jet articles Da Gaz have read some Bills jet scoop Gaz Encourage jet speed fliers sub scribe Da Gaz Its $500 per year Doc Jackson 523 Meadowbrook Circle St Davids PA 19087 Between Doc Bill folks should getting inter ested speed flying again I-lope indicator speed upswing Received call T Wright Jacksonville Florida about King Orange meet December 30 31 1977 January 1 1978 weather fair rained little enough really stop things Participation ex cellent Free Flight Stunt Combat Goodyear Rat Entries Speed Carrier low AT set new D speed record under 78-79 rules 197 mph mini-pipe Also Bob Day AT joined forces set Profile Proto record 92 mph Would like find out Mike Hoyt still handling jet pipes heads Have able contact him nt forget United States Control Line Model Airplane Championships Winston-Salem NC June 17-18 body thats anybody gonna Contact Bill Pardue 1201 Surry Drive Greensboro NC 27408 next column will cover tach props what RPM ranges look Gene Hem pel Tom Upton 301 N Yale Dr Garland TX 75042 Spitfire/Greene continued page 43 bend shape -sq lead ing edges dry glue place Glue WT-6 top two wing tip semblies WT-4 WT-5 wing tip shown Let dry Hardware Hookup Connect lead-out wires bellcrank slip wires through ribs Use 3/32 aluminum tubing inboard wing tip protect wing tip assembly Glue tubing place epoxy Bend 3/32 pushrod wire shown Sol der bellcrank using washer top bottom install bellcrank Sol der nut bellcrank make certain wont come apart flight Landing Gear Cut piece 1/8 ID brass tubing shown wing section fuselage plan landing gear slip June 1978 97 fio7rnd&i PROPELLERS PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER RIGHT HAND ROTATION 3/B BORE THE PURCHASER Pusher 10-6$150 G RUSH ST JOHN INDIANA 46373 1st Quay Barber 2nd Mike Langlois 3rd Quay Barber 4th Quay Barber 5th Phil Bagwell 6th Mike Langlois bypass flute very using new Gb Gb plug WERE EXPANDING CELEBRATING MODEL BUILDER substantially increasing its RIG coverage new monthly features leading modeling authorities RIG construction articles emphasis how-to. R/C oriented Because free flight control line modelers consider MODEL BUILDER best magazine will contin ue present amount coverage areas including regular Peanut plan feature means MODEL BUILDER must enlarge physically pages doing CELEBRATE WITH US SCRIBE NOW AND GET 3 PEE ISSUES Fill out send coupon check Money Order year subscription $1500 will re ceive 3 additional FREE ISSUES total savings $750 Mall MODEL BUILDER Magazine 621 West 19th St Costa Mesa Calif 92627 [v32][b-1-10-1-10]] REGULAR SUBSCRIPTION IS $1500 SUBSCRIBE NOW AND Address __________________________________________ SAVE $750! RECEIVE 15 ISSUESATONE-THIRDOFF! City __________________State ________ Zip NOTE This offer new subscribers NOT subject additional AMA membership discount [v32][b-1-10-1-10]] tubing held place gear clip made earlier pieces should bolted rib R-1A using two 4/40 screws Drill /i hole s/s edge slot landing gear slot shown Position pin glue epoxy landing gear block Solder gear clip s tubing wont come out flight Wing Sheeting Now come enor mously delicate critical aspect cover ing wing Cover 1/16 sheet balsa Use Sigment glue leading edge sheeting top spar sure splice joining sheeting material -wide center wing rib glue dry remove pins hold /8 leading edge 1 blocks wet leading edge sheeting water bend down over ribs tack-pin /4-sq leading edge sheeting dry has acquired its basic set remove pins Raise forward portion sheeting carefully apply Sigment top ribs -sq leading edge sheeting will fasten sheeting place pins set aside glue dry Back Fuselage fuselage should dry now sand shape shown plan sanding-arm should used now WingOne Time wing has dried remove pins including hold 1 blocks Turn wing over glue bottom two tip semblies WT-4 WT-5 pin place let em dry Glue bottom sheeting same way did top sheeting Cut places sheeting landing gear blocks After glue underside wing dry mark trailing edge TE-2 pencil center rib R-l go Mark both sides conventional fuselage t-up profile fuselage Now install rib cap strips put center planking indicated wing tip weight will added later Engine Installation Check Test mount engine using four 4-40 bolts 1 long four T nuts ensure zero-degree thrust alignment remove glow plug cut 12 piece 1/8 wire place tween center cooling fins head wire will give line eyeball engine zero degree thrust Mark drill holes check make cer tain fit Tail Assembly Next horizontal stabi lizer elevator Clean off sanding dust set elevator over plans Mark edge elevator horn should go Drill straight hole ele vator receive control horn Cut channel horn will fit elevators Test make sure fits well Now mark hinge locations use Exacto #11 blade After making several cuts pull out balsa chips insert hinge check fit Put some Vasoline hinge pivotsbut pivots Apply Sigpoxy part goes balsa Vasoline will allow epoxy stick pivot point Now epoxy control horn elevator align horizontal stabilizer elevator over plan sure pin will dry straight Flaps Place flaps plan po sition control horn mark flaps indicate holes should receive horn Drill holes set horn epoxy firmly place Lay assembly work bench pin keep straight Let dry thoroughly Wing Again Sand wing smooth #220 sandpaper rounding out leading edges tips rest butt joints should disappear touch Dont sand marks trailing edge youll need later reference Check flaps sure control horn dry hinges glued same ele vators Slip flaps wing slot fuselage slip wing fuselage Wing Fuselage Alignment Align wing fuselage placing triangle leading edge wing against 98 Model Aviation Na fuselagethe wing straight Make sure trailing edge marks wing still seen both sides fuselage Also triangle make sure fuselage 900 airfoil opposite canopy Epoxy let dry overnight Drill insert two 3/16 dowls shown Glue epoxy Sigbond Now put bottom fuselage cap F-6 Glue place Sigment Glue flaps hinges trailing edge TE-2 wing same way handled stabilizer elevator Tail Alignment Horizontal stabilizer elevator next glued fuse lage Mark fuselage width cen ter leading edge stabilizer insert fuselage using marks make certain exactly centered Glue Sigbond Use ngular piece glued under side stabilizer extra strength horizontal stabili zer should parallel wing Stand couple feet away eyeball front align top wing bottom stabilizer sure horizontal stabilizer hinge line exactly parallel wing hinge line Measure distance hinge line tip stabilizer trail ing edge wing hinge line both sides distances must equal airplane wont track properly fly proper horizontal altitude After surfaces straight true let whole thing dry thoroughly hour check make sure sur faces still aligned properly give plenty time set fin rudder glued next Use rudder offset shown plan Landing Gear Bend landing gear shape shown plan making sure make left right sure also match sweep-forward shown plan fasten wheels slip wheel over axle washer take couple turns copper wire around axle solder wire washer axle Place main landing gear mounts wing using Sig landing gear straps secure place Bend epoxy tail wheel strut shown Secure wheel same way main gear Connecting Flaps Elevator easy way connect flaps elevator two pieces 3/32 music wire long enough overlap other about 1 shown Wrap copper wire pushrods bent installed keepers flaps elevators should set zero degrees Solder pushrod Put pushrod bearing about halfway between elevator flaps see plan Fuel Tank Mount fuel tank fuselage using music wire rubberbands Use Sullivan 4 oz tank see pic ture Wing Tip Weight engine inCHARACTERISTICS Designed withstand rugged treatment gas powered models must endure TOUGH LIGHTWEIGHT MAR-RESISTANT FINISH FUEL PROOFNOT AFFECTED BY WATER CHEMICALS OR ALCOHOL AND WITHSTANDS RACING FUELS UP TO 50% NITRO METHANE ONE-COMPONENT SYSTEMREQUIRES NO CATALYST LOW ODOR QUICK DRYINGDUST FREE IN 45 MINUTES DRIES HARD IN 4 HOURS WILL NOT WRINKLE OR LIFT WHEN RECOATED FREE OF LEAD HAZARDSNON-TOXIC WHEN DRY SPRAY CONTAINS NO FLUOROCARBON PROPELLENTS BRUSHES EASILY WITHOUT BRUSH MARKS APPLICATIONS Applies paintable surface Since Formula-U does shrink silkapan silk products recommended Aero-Gloss Flat Gloss Clear applied first topcoated Formula-U Brushing Formula-U can thinned spray gun application Colors can mixed Use Formula-U Thinner thinning clean-up SIZES oz Jar Can 12 oz Spray Can Leadouts If havent done already some people like get ahead plan wrap leadouts see plan Finishing After test-fitting fuel tank engineand wing tip weight installedfine-sand entire airplane babys bottom smoothness Paint two coats clear dope both coats dry hard sand whole airplane again fine sand paper lightly clear dope over whole model will keep wood grain rising under covering Cut Silkspan shape over wing wet water using mist sprayer Pull Silkspan around leading edges remove wrinkles Cement Silkspan wing applying clear dope center planking leading edges trailing edges wing tips continually pulling entire wing continually pulling keep wrinkles Silkspan dry paint entire wing six 6 coats clear dope sanding very gently after even-numbered coat Use two three coats sanding sealer over entire airplane fill wood grain June 1978 99 COLORS Brushing Spray choice Hi-Gloss Metallic Flat 0Perfectly match 12 SolarIum colors stalled turn airplane over its rudder nose inboard wing should touch table Apply enough weight allow outboard tip flop down work bench inboard tip will up enough weight Lead solder wrapped light string makes good weight epoxy wood KITS 0 PtANS 0 ACCESSORIES BABY ACEP-NUT KITS NYLON BEARINGS BROWN CO-2 ENGINES _____________________REAL JAPANESE TISSUE-PROPS 57 SPAN COMPLETE CATALOG 50t KIT $4 25 MANY HAED TO FIND ITEMS Pt*-hfywes W BOX 2498LA MESA CALIF 92041 CATALOG 25c DAVIS22 D-IK PLAN CSD-7BY Chas E Steinchak MODERNISTIC MODELS PO B0X6974ALBUQNM87107 sanding lightly after coat Markings The roundels wing placed shown plan top ones shown inboard side bottom ones shown outboard side Heres good easy way make turn out right using compass draw proper circles contact paper cut out Starting center paint area roundel winga little actual area will finished airplane cover area contact paper mask center circle Seal edges clear paint Paint next color again little larger actual roundel will cover proper mask seal edges clear paint Continue until roundel complete Leave paper until rest Spitfire painted peel off contact paper presto youve got professional job may seem faster same time just make sure put right color right circles Pain canopy light blue Add AMA numbers initials can go fuselage Paint bottom airplane light blue paint top olive tan cam ouflage colors Conclusion Both Spitfires needed back plate engine filled sol der trimmed fly May June July 1976 issues Model Aviation Chris Lella tells lot airplanes actions problems articles bal ancing roll yaw pitch control line stunt ships quite good should read control line flyer models described article both capable doing complete AMA pattern problems either have worthy addition stable aerobatic mock-combat champions 52nd Nationals continued page 53 Charles Nats has possible adds up lot enjoyment economical conditions family oriented Nats Further food thought has become harder harder put Nats due cost complexity factors much has increasing talk re cent years about discontinuing Nats changing significantly make manageable might last opportunity enjoy Nats classic tradition Lake Charles offers best combination factors make trip worthwhile ever inclined go Nats years recommended offer facilities view point Lake Charles known site country much ideally suited Nats Thus stage set once again AMA put worlds biggest model meet invited FF Duration/Meuser continued page 55 b tickle funnybones applies getting people tell about find lost models Nats Entry&Meeting Information Advance Entry mail savings big Basic Fee refundable dont show Nats best bet advance entry postmark deadline July 3 Late entries will also permitted contest site during Nats period pri mary requisite events late en tries accomplished before various stages preflight processing events con cerned accordance Nats entry form schedule particularly concerning Scale model turn-in transmitter processing Entry Form full schedule event flying plus Scale turn-in deadlines RC transmitter processing times printed Offical Nats Entry Form Instructions Anyone thinks might enter should obtain 1978 Nats entry form also includes much other useful information available upon request AMA HQ 815 Fifteenth St NW Washington DC 20005 Please include stamped pre-addressed en velope AMA HQ offices Chennault Air Base Lake Charles will open registration late entry July 30 ba sically 8 am noon 1 pm 5 pm day also noon day Indoor site Late Basic Entry Fee Juniors Sen iors $5 same advance fee includes entry event $40 Open mem bers no event included Event fees late entries events added Nats advance entrants $5 per event age categories--except RC $10 per event Mechanics Fee advance late $5 provides identification field access priv ileges equivalent contestants Nats Housing University dormitories available rate $5 per person per night double occupancy Children oc cupy bed use sleeping bag ex ample will charged NATS MEETINGS regular AMA general membership meeting provided AMA by-laws scheduled held Nats Wednesday August 2 600 pmall members invited Nominating Committee open AMA vice-presidents appointed delegates will meet Wednesday August 2 8 pm beginning meeting signals closing time AMA officer nominations President Vice-Presidents District 2 4 6 8 10 19791980 term See AMA News section issue nomination procedures NEW NATS TROPHY POLICY Awards will provided least three places Nats event Juniors Seniors well Open contestants ad dition awards may available de pending upon number advance entries event Thus 10 advance entries age group event will least five awards addition will award ten advance en tries beyond first ten Example 21 ad vance entries six awards five first 10 plus second 10 JUNIORS AND SENIORS Juniors Seniors will receive awards same manner Open adult age entries means encouraging young sters compete Nats Juniors Seniors year get free entry Nats event upon payment basic fee Thus Open contestants have pay $20 basic fee plus $3 per event $10 per RC event Juniors pay $5 basic fee no event fees unless enter event same true Seniors ex cept basic fee $10 Juniors Seniors should know too no late entry penalty fee Open entrants latter have pay $40 late entry after July 3 whereas fee stays same Juniors Seniors no matter enter over 60 events 1978 Nats can entered Juniors Seniors special policies age groups years Nats can happy experience youngsters find out ask free Nats entry formsend stamped selfaddressed envelope AMA 815 Fifteenth St NW Washington DC 20005 100 Model Aviation O ER 8O8 8 CA 088 SCALE DRA~SXa ER SON RFP TECH 45550 M KENZ t HWYV DA OR q ss
Edition: Model Aviation - 1978/06
Page Numbers: 39, 40, 41, 42, 43, 97, 98, 99, 100
For sport flying mock combat demonstrations 35-powered stunter highly recommended project Plans show alternate fuselagesone true profile other built-up profile Roger Greene THE SUPERMARINE Spitfire beautiful deadly fighter planes World War II long time control line enthusiasts have wanted workable model airplane sport flying mock-combat aerial demonstra tion Now can burn up skies control line modelboth solid built-up profile concepts models fly beautifully look great real pleasure build joy fly pleasure have Spitfire conceived fa Top One nice features built-up profile version does sea such Un pleasantries normal seam between plywood doublers balsa identification let ters scale-like actually initials three club members built Spitfires Above elevator/flap linkage shows clearly photothe surfaces positioned convey impression relative amounts movement Alas tank could hidden June 1978 39 irilIFz-- T LEG .4.I/I6 SHEET LEASINGGIG ii.tii--3/32 SPAREDGE PLANKING ~7GEAR I/B SHEET Tn JL3oo AGNINAM TARING I/R GREET USE ONE SHEET GF I/O BALSA AND CUT PARTS GUT AG SHOWN KBR EGGG y R-I GNLS B-I R-I MARE GNE I/O WITRAST LANSING GEAR BLGCR CATTAT _ II R-I GA RI MAKE FOUR 3/AG WITH LANSING SEAR BLGCK CATGUT R-A REINFGRCENENTMARE TINS 3/32 BALSA K ERWIREMARE TWA 3/3D BALSA -I-i/__ S/B SHEETS/IA SR EMARE TWA 3/3D BALSA SOP TI I7___ MARE TINS 3/SD BALSA ci-QQ-iEUZ MARE TWO 3/32 BALSA QmO2 MARE TWO 3/3D BALSA ARSCALEIN INCHES I0 SUPERMARIA PROFILE VERSION DESIGNED 8 DRAWN BY CAT THIS PART GUT FGB ENGINE ON GSTBGABD SIDE CUT rHIS PART OAT FGR ENGINE GN INBOARD AIDE 7 FOG 35 BEAM S PA C IN S -SALLIG mous British designer R J Mitchell mid-1930s first flew 1936 last Spitfire made 1947 closing out 20300 Spits domi nated skies Britain during World War II designed Spitfires described article fill what saw needboth builder stunt flier past members Sky Lancers Washing ton known SLOW Club have staged mock aerial combat using various airplanes built Midwest World War II kits good-sized wing span 48 inches usually powered Fox 35 engine Messerschmitt Me- 109 P-51 Mustang dominated Roger feels first bump primed engine before briskly flipping propeller 40 Model Aviation mock aerial combat field some club members wanted British model help fight Me-109 article describes two Spitfires can built 50-inch wingspan plan provide first class historically accurate competition flying Me- 109 models solid profile fuselage built-up profile fuselageboth fly complete AMA Precision Aerobatic Pattern Construction Study plans thoroughly before put knife wood Cut patterns individual parts out plan taking care cut spar pattern half Use felt tip pen trace patterns wood However Spitfire built several members club WINGPLAN _ PATTERN GF THE TGP TINT RUGNOELS R-3R-O _____ TE-I FI 1 FO K_k~~ 7/3/ II RI // FULL-SIZE PLANS AVAILABLE. SEE PAGE 104 -__ V ILE-S r-1T41-1-4I/iOPAR____r4 —---4---___ ht \\ fl4/9]____I _ *2r~4-~- SUPER 118 SREET--I IITWO-LINE 40G ToH- CRANK NELLCRA NEI PLATFORM {IIIEIII I/N PLYWOOD OR4 J~ P008805 _______________________________________ 5r.......tJ \LANOINA AEGSIIIWINO TIP 7 RETAINING STRAPGj1 I--WEIGROiL TTEBA OF THENW NOEE TEST SHEETINGIN/,1 iiiiIII 1180 N-SI 8-4-- N-SbR-HR-7 I,WT-5 8-IIIII III SO BLOERS 101IIWT SEE TEUTIIi~iiI _________________NTF IWT-4 HINGE LOCATIONS _______________3/4 SPRING BEARING EP B FLAP OFT LEITSBAIISrI/B PLOWOOS BELLCRANE PLATFORM /V0flHIIBI FR __ __ 3130 BALSA SPAR NOTE CPLICE3/8 OFF-GET IN PLOWOOG SPAN GOOBLERI/B PLOWOOSSECTION THRU I/H SHEETPING SAGGER /8 BALSA SHEET BUILT-OP PROFILE SOOBLER CONVENTIONAL PROFILE SPITFIRE MKJ7 GER S GREENE IK8 U9IE _______________ 3/8 I/O F ENGINE REAMS USELAGE KHBW RK ____1/ 3/IA OSMELI/B PLOWOGOI/U BALSAI/O BULGA __F-S1ENOSSHEETCORE- SOLAGO LANSING GEAR CLIP3/SSRAL3O-F 4 DOUBLERr~1PUANRUG 1/18 PLOWOOS G-4ONEOSUBLER-I.-GLASS CLOTH ANS EPUSO PN/4 I/S SHEETS ROLE 330 BUS C B REWASHERS H /HUS BENOCGLORSITO RUBBER WHEEL II1/4 50 BELICRUNE UU-1HOHELLOWI I/N IA BRASS TUBING4--HPLATFORM AUPPORTS______ UE LUNGING GEAR MOANTSC U RUNUEI/B PLOWUOGWHITECONTROL HORN RELLCRANELANSING GEAR UPLATFORM CLIP PATTERNFIBERGLAUS CLSTH I/IN PLOWOOG TIN GTGCR MGSIC W RE BEAR NO COPPER N RE SOLGER I/4I/OGHEET NSTE TAPER 0/B RURBER_______________________________________________________________________________ WHEEL 0 0345N KZFUGELASE -F-i SM F-B I/N 3/B R4 I/B BALSAGIGE can mount patterns some type sturdy backing method use glue patterns gift box cardboard just about right strength weight Get large box handles department store studying building sequence may seem jumping around bit has designed get work done least amount time work ing assembly glue dry ing another can get Spitfire built field sooner Begin wing spar Use two sheets 3/32 balsa shown plan Youll have make splice middle cut wood accordingly cut 1/16 plywood spar doubler will glued front full-depth spar piece 3/32 balsa rear spar doubler doublers necessary added strength Align pieces over cardboardmounted plans glue clamp drying Fuselage While spar its doublers drying start building fuselage have choice building conven tional profile built-up profile fuselageboth shown plan built-up profile will lighter aft section will look little realistic because wont see joint ply wood doubler canopy will out lined wood instead paint Built-up Profile Fuselage Start making less solid portion fuse lage Use sheet X 36 balsa Cut out parts F-l F-2 F-3 sure follow curves just behind canopy er rib R-l F-3 cut unused part above fuselage After fuselage pieces cut glue F-l F-2 F-3 together over plan using Sigment pins Conventional Profile Glue together two pieces 36 balsa Sigment make 6-wide piece After glue dry cut shape shown will still have cut F-3 glue shown plan Cut hole wing engine engine beams Cut I/SHY plywood fuselage doublers shape space mount engine outboard side hole bottom back plate screw Fox 35 inboard side Apply Sigbond aliphatic re sin clamp let dry overnight Stabilizer Elevator fuselage June 1978 41 ---II/IN PLOWOOG LERS 4ijI Left George Marenka designer/author Roger Greene rightl Georges Spiffire Right Mike Kresan displays bottom Spitfire show contrast between top bottom paint schemes color scheme depicted model authentic drying cut horizontal stabilizer elevator out 5/16 balsa sheet avail able otherwise use 1/4 balsa sheet firm Cut fin rudder out a medium flaps cut a soft Wing Tips wing tip pieces WT-l through WT-6 cut out /8 balsa sheet Glue WT-l WT-2 WT-3 gether make two assemblies Glue WT-4 WT-5 together make four assemblies wing leading edge LE-1 LE-2 LE-3 cut balsa sheet LE-l can /s X piece cut fit Cut two LE-2 LE-3 Glue LE-l LE-2 LE-3 together over plan Cut trailing edge TE-l /8 balsa sheet TE-2 sanded X 36 strip use piece straight possible Wing Ribs Carve ribs out 3/32 balsa sure make right number rib cut-outs cor rect rib Also make holes lead-out wires inboard wing panel Glue / 16 plywood doublers R- 1 see plan energy department consists case beam-mounted Fox 35 Sullivan SS-4 tank rubberbanded Disco flier may try different props good all-around size 10-6 Built-Up Profile After -thick fuse lage dry can lighten cutting out unneeded portions wood Use metal lipstick top /2 piece brass tubing would cookie-cutter cut out useless balsa weight Sharpen end put 3/32 X 4 piece music wire through side solder place wire will act handle help twist tool cut holes nd engine mounts 1 above wing top fuselage forth Leave least /2 sheet Glue /8 plywood doublers a fuselage Sigbond Aliphatic Resin works very well sure cut-outs engine proper sides airplane Let fuselage dry over night Make simple wood clamp glue doublers two pieces ood six 2 6-32 bolts washer end butterfly nut easy tightening Wing Find rib R-lA drill two /8 holes either Veco landing gear clip own making dont have Veco make landing gear clip out piece tin shown plan location clip shown wing section fuselage plan Hold spar slots up place R-l center place R-lA next R-lB Insert two -sq bellcrank supports place other ribs spar order Insert TE-l leading edge sembly LE-l LE-2 LE-3 slots ribs insert both wing tip assemblies WT- 1 WT-2 WT-3 simple wing jig will necessary make sure wing doesnt warp twist glue setting Take piece balsa square 12 long felt-tipped marker draw line along its length right down middle Now cut piece 12 equal pieces 12 1 cubes will used support wing glue Place blocks shown plan under leading trailing edges wing assembly reference line right down middle up guide Pin blocks work bench Align ribs plan Pin leading edge LE trailing edges ribs pin ribs spar center -sq balsa belicrank plat form supports done ensure straight true wing Now glue various wing pieces gether ribs spar wing tips leading edges trailing edges 1/4 squares insert bellcrank plat form glue place aliphatic glue Let wing dry overnight Back fuselage built-up profile fuselage parts F-l F-2 F-3 dry unclamp Next cut /s sides shape Cut top bottom pieces t balsa Note taper shown plan Glue /8 balsa sides top p F-5 part F-4 Lay front part fuselage bench a side down Prop up aft portion /4 let dry glue other side fuselage pin place set aside dry glue bottom p yet Easy Does waiting glue set cut out sand flaps rudder fin elevator stabilizer E-2 trailing edge wing shape shown sitting arm should feel though have just pitched nine innings word cau tion though dont go too fast take easy let beautiful Spitfire lines develop slowly Wing Again wing structure set aside dry has indeed dried glue TE-2 place behind TE-l snug fit required between WT-ls Next glue eading edge wont bend easily around wing tip wet Continued page 97 Heres clever trick add realismif making built-up profile Cut away sur face laminations around canopy area note smooth joint between doubler side skin big attraction Spitfire its distinctive planform Its fine all-around performance came great engine ultra-clean streamlining unusually large wing area WW-Il fighter Two trio Spiffires ready go against Me109s flown other SLOW club members Loading way Mike Kresans ship Georoe Marenkas just behind poses wing-mans Coloring olive tan camouflage light blue undersurfaces about contests new products will publish some column like name print write us Fred RandellMA Enterprises 659 Colony Rd Box 7305 Canal Fulton OH 44614 216/854-4233is producing ink-sack pen bladders again Price $1800 per hundred plus postage Nick ArpinoDarp Speed Pans 301 Woodacres Rd East Patchogue NY 11772 516/286-8144is adding 21long Formula-40 pan already fine line A-FAI 15 long B-C 18 long D 20 long Brassels Speed Equipment 1215 N Concord Rd Chattanooga TN 37421 615/892-5995Harters speed pans mono-line wire handles Bill Pardue described recent Golden Trial Model Masters Fall Contest Winston-Salem NC October 22 seems Quay Barbers Lil Shaver profile proto Put Mike Langlois record/ratio speed event Actually profile model flown mono-line enclosed proto class new Junior record interesting note Quay Bar zers /2A profile mono-line outran both Bagwells Langlois pure speed models 3-port mini-pipe Cox engines Barber running nearly stock TD final results record/ratio speed event looked like GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 6 8 & 10 PITCH20800 221000 241300 AT YOUR DEALER USE TO PROPEL AIR ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE 1-IELICAL 2 Blade Tractor 5-3each 5-45/-3 6-3 7-47-6 8-48-6 9-49-6 9-810-4 11-411-6 12-412-5 5%-4 6-4 7-8 8-8 9-7 10-6 11-8 12-6 304 354 SOd 654 854 $1 $150 CREATE THRUST AND BE PROPELLED BY AIR DISCRETION OF 2 Blade Pusher 5A-4 6-36-4 35d 8-685d 9-610-6$1 BLADE 3 BladeTractorx 5-3 6-36-4SOd 3 BladePusher 6-3SodMetallic Aluminum Color Made polyester boll color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Jr Proto Open Jet Speed Jr Profile Proto Jr 1/2ASpeed Sr Y2A Speed Op A Speed slightly raised Bee A-insert-type same type plug Nick used recently set new Open speed record 121 mph recent Day ton Ohio meet Al Stegins reported have run 117-119 #2 engine open face exhaust Gb Bee plug really honking proto #1 engine until ground jumped up grab should noted three official flights Langlois jet lap glide included clocking 6-op non-pressure tank Mike getting 9 laps under power launch getting pylon after ship still ground some flights 211 210 50% propylene oxide 50% nitro-methane Nit rotane about ten flights flown same set valves stub backup valves same diameter retainer Retainer turned back 050 stock 50/50 fuel fed pressure tank coming through metering jet drilled #42 drill size Bill also advises careful what9752 mph 21118mph 9406 mph 10634 mph 10461 mph 10621 mph 1043 1%9406 Backup 10269%21020 Backup 10146% 984 1% 9418% 88 00% ever tubing using watch out pin holes Bill Pardue indicated doing series jet articles Da Gaz have read some Bills jet scoop Gaz Encourage jet speed fliers sub scribe Da Gaz Its $500 per year Doc Jackson 523 Meadowbrook Circle St Davids PA 19087 Between Doc Bill folks should getting inter ested speed flying again I-lope indicator speed upswing Received call T Wright Jacksonville Florida about King Orange meet December 30 31 1977 January 1 1978 weather fair rained little enough really stop things Participation ex cellent Free Flight Stunt Combat Goodyear Rat Entries Speed Carrier low AT set new D speed record under 78-79 rules 197 mph mini-pipe Also Bob Day AT joined forces set Profile Proto record 92 mph Would like find out Mike Hoyt still handling jet pipes heads Have able contact him nt forget United States Control Line Model Airplane Championships Winston-Salem NC June 17-18 body thats anybody gonna Contact Bill Pardue 1201 Surry Drive Greensboro NC 27408 next column will cover tach props what RPM ranges look Gene Hem pel Tom Upton 301 N Yale Dr Garland TX 75042 Spitfire/Greene continued page 43 bend shape -sq lead ing edges dry glue place Glue WT-6 top two wing tip semblies WT-4 WT-5 wing tip shown Let dry Hardware Hookup Connect lead-out wires bellcrank slip wires through ribs Use 3/32 aluminum tubing inboard wing tip protect wing tip assembly Glue tubing place epoxy Bend 3/32 pushrod wire shown Sol der bellcrank using washer top bottom install bellcrank Sol der nut bellcrank make certain wont come apart flight Landing Gear Cut piece 1/8 ID brass tubing shown wing section fuselage plan landing gear slip June 1978 97 fio7rnd&i PROPELLERS PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER RIGHT HAND ROTATION 3/B BORE THE PURCHASER Pusher 10-6$150 G RUSH ST JOHN INDIANA 46373 1st Quay Barber 2nd Mike Langlois 3rd Quay Barber 4th Quay Barber 5th Phil Bagwell 6th Mike Langlois bypass flute very using new Gb Gb plug WERE EXPANDING CELEBRATING MODEL BUILDER substantially increasing its RIG coverage new monthly features leading modeling authorities RIG construction articles emphasis how-to. R/C oriented Because free flight control line modelers consider MODEL BUILDER best magazine will contin ue present amount coverage areas including regular Peanut plan feature means MODEL BUILDER must enlarge physically pages doing CELEBRATE WITH US SCRIBE NOW AND GET 3 PEE ISSUES Fill out send coupon check Money Order year subscription $1500 will re ceive 3 additional FREE ISSUES total savings $750 Mall MODEL BUILDER Magazine 621 West 19th St Costa Mesa Calif 92627 [v32][b-1-10-1-10]] REGULAR SUBSCRIPTION IS $1500 SUBSCRIBE NOW AND Address __________________________________________ SAVE $750! RECEIVE 15 ISSUESATONE-THIRDOFF! City __________________State ________ Zip NOTE This offer new subscribers NOT subject additional AMA membership discount [v32][b-1-10-1-10]] tubing held place gear clip made earlier pieces should bolted rib R-1A using two 4/40 screws Drill /i hole s/s edge slot landing gear slot shown Position pin glue epoxy landing gear block Solder gear clip s tubing wont come out flight Wing Sheeting Now come enor mously delicate critical aspect cover ing wing Cover 1/16 sheet balsa Use Sigment glue leading edge sheeting top spar sure splice joining sheeting material -wide center wing rib glue dry remove pins hold /8 leading edge 1 blocks wet leading edge sheeting water bend down over ribs tack-pin /4-sq leading edge sheeting dry has acquired its basic set remove pins Raise forward portion sheeting carefully apply Sigment top ribs -sq leading edge sheeting will fasten sheeting place pins set aside glue dry Back Fuselage fuselage should dry now sand shape shown plan sanding-arm should used now WingOne Time wing has dried remove pins including hold 1 blocks Turn wing over glue bottom two tip semblies WT-4 WT-5 pin place let em dry Glue bottom sheeting same way did top sheeting Cut places sheeting landing gear blocks After glue underside wing dry mark trailing edge TE-2 pencil center rib R-l go Mark both sides conventional fuselage t-up profile fuselage Now install rib cap strips put center planking indicated wing tip weight will added later Engine Installation Check Test mount engine using four 4-40 bolts 1 long four T nuts ensure zero-degree thrust alignment remove glow plug cut 12 piece 1/8 wire place tween center cooling fins head wire will give line eyeball engine zero degree thrust Mark drill holes check make cer tain fit Tail Assembly Next horizontal stabi lizer elevator Clean off sanding dust set elevator over plans Mark edge elevator horn should go Drill straight hole ele vator receive control horn Cut channel horn will fit elevators Test make sure fits well Now mark hinge locations use Exacto #11 blade After making several cuts pull out balsa chips insert hinge check fit Put some Vasoline hinge pivotsbut pivots Apply Sigpoxy part goes balsa Vasoline will allow epoxy stick pivot point Now epoxy control horn elevator align horizontal stabilizer elevator over plan sure pin will dry straight Flaps Place flaps plan po sition control horn mark flaps indicate holes should receive horn Drill holes set horn epoxy firmly place Lay assembly work bench pin keep straight Let dry thoroughly Wing Again Sand wing smooth #220 sandpaper rounding out leading edges tips rest butt joints should disappear touch Dont sand marks trailing edge youll need later reference Check flaps sure control horn dry hinges glued same ele vators Slip flaps wing slot fuselage slip wing fuselage Wing Fuselage Alignment Align wing fuselage placing triangle leading edge wing against 98 Model Aviation Na fuselagethe wing straight Make sure trailing edge marks wing still seen both sides fuselage Also triangle make sure fuselage 900 airfoil opposite canopy Epoxy let dry overnight Drill insert two 3/16 dowls shown Glue epoxy Sigbond Now put bottom fuselage cap F-6 Glue place Sigment Glue flaps hinges trailing edge TE-2 wing same way handled stabilizer elevator Tail Alignment Horizontal stabilizer elevator next glued fuse lage Mark fuselage width cen ter leading edge stabilizer insert fuselage using marks make certain exactly centered Glue Sigbond Use ngular piece glued under side stabilizer extra strength horizontal stabili zer should parallel wing Stand couple feet away eyeball front align top wing bottom stabilizer sure horizontal stabilizer hinge line exactly parallel wing hinge line Measure distance hinge line tip stabilizer trail ing edge wing hinge line both sides distances must equal airplane wont track properly fly proper horizontal altitude After surfaces straight true let whole thing dry thoroughly hour check make sure sur faces still aligned properly give plenty time set fin rudder glued next Use rudder offset shown plan Landing Gear Bend landing gear shape shown plan making sure make left right sure also match sweep-forward shown plan fasten wheels slip wheel over axle washer take couple turns copper wire around axle solder wire washer axle Place main landing gear mounts wing using Sig landing gear straps secure place Bend epoxy tail wheel strut shown Secure wheel same way main gear Connecting Flaps Elevator easy way connect flaps elevator two pieces 3/32 music wire long enough overlap other about 1 shown Wrap copper wire pushrods bent installed keepers flaps elevators should set zero degrees Solder pushrod Put pushrod bearing about halfway between elevator flaps see plan Fuel Tank Mount fuel tank fuselage using music wire rubberbands Use Sullivan 4 oz tank see pic ture Wing Tip Weight engine inCHARACTERISTICS Designed withstand rugged treatment gas powered models must endure TOUGH LIGHTWEIGHT MAR-RESISTANT FINISH FUEL PROOFNOT AFFECTED BY WATER CHEMICALS OR ALCOHOL AND WITHSTANDS RACING FUELS UP TO 50% NITRO METHANE ONE-COMPONENT SYSTEMREQUIRES NO CATALYST LOW ODOR QUICK DRYINGDUST FREE IN 45 MINUTES DRIES HARD IN 4 HOURS WILL NOT WRINKLE OR LIFT WHEN RECOATED FREE OF LEAD HAZARDSNON-TOXIC WHEN DRY SPRAY CONTAINS NO FLUOROCARBON PROPELLENTS BRUSHES EASILY WITHOUT BRUSH MARKS APPLICATIONS Applies paintable surface Since Formula-U does shrink silkapan silk products recommended Aero-Gloss Flat Gloss Clear applied first topcoated Formula-U Brushing Formula-U can thinned spray gun application Colors can mixed Use Formula-U Thinner thinning clean-up SIZES oz Jar Can 12 oz Spray Can Leadouts If havent done already some people like get ahead plan wrap leadouts see plan Finishing After test-fitting fuel tank engineand wing tip weight installedfine-sand entire airplane babys bottom smoothness Paint two coats clear dope both coats dry hard sand whole airplane again fine sand paper lightly clear dope over whole model will keep wood grain rising under covering Cut Silkspan shape over wing wet water using mist sprayer Pull Silkspan around leading edges remove wrinkles Cement Silkspan wing applying clear dope center planking leading edges trailing edges wing tips continually pulling entire wing continually pulling keep wrinkles Silkspan dry paint entire wing six 6 coats clear dope sanding very gently after even-numbered coat Use two three coats sanding sealer over entire airplane fill wood grain June 1978 99 COLORS Brushing Spray choice Hi-Gloss Metallic Flat 0Perfectly match 12 SolarIum colors stalled turn airplane over its rudder nose inboard wing should touch table Apply enough weight allow outboard tip flop down work bench inboard tip will up enough weight Lead solder wrapped light string makes good weight epoxy wood KITS 0 PtANS 0 ACCESSORIES BABY ACEP-NUT KITS NYLON BEARINGS BROWN CO-2 ENGINES _____________________REAL JAPANESE TISSUE-PROPS 57 SPAN COMPLETE CATALOG 50t KIT $4 25 MANY HAED TO FIND ITEMS Pt*-hfywes W BOX 2498LA MESA CALIF 92041 CATALOG 25c DAVIS22 D-IK PLAN CSD-7BY Chas E Steinchak MODERNISTIC MODELS PO B0X6974ALBUQNM87107 sanding lightly after coat Markings The roundels wing placed shown plan top ones shown inboard side bottom ones shown outboard side Heres good easy way make turn out right using compass draw proper circles contact paper cut out Starting center paint area roundel winga little actual area will finished airplane cover area contact paper mask center circle Seal edges clear paint Paint next color again little larger actual roundel will cover proper mask seal edges clear paint Continue until roundel complete Leave paper until rest Spitfire painted peel off contact paper presto youve got professional job may seem faster same time just make sure put right color right circles Pain canopy light blue Add AMA numbers initials can go fuselage Paint bottom airplane light blue paint top olive tan cam ouflage colors Conclusion Both Spitfires needed back plate engine filled sol der trimmed fly May June July 1976 issues Model Aviation Chris Lella tells lot airplanes actions problems articles bal ancing roll yaw pitch control line stunt ships quite good should read control line flyer models described article both capable doing complete AMA pattern problems either have worthy addition stable aerobatic mock-combat champions 52nd Nationals continued page 53 Charles Nats has possible adds up lot enjoyment economical conditions family oriented Nats Further food thought has become harder harder put Nats due cost complexity factors much has increasing talk re cent years about discontinuing Nats changing significantly make manageable might last opportunity enjoy Nats classic tradition Lake Charles offers best combination factors make trip worthwhile ever inclined go Nats years recommended offer facilities view point Lake Charles known site country much ideally suited Nats Thus stage set once again AMA put worlds biggest model meet invited FF Duration/Meuser continued page 55 b tickle funnybones applies getting people tell about find lost models Nats Entry&Meeting Information Advance Entry mail savings big Basic Fee refundable dont show Nats best bet advance entry postmark deadline July 3 Late entries will also permitted contest site during Nats period pri mary requisite events late en tries accomplished before various stages preflight processing events con cerned accordance Nats entry form schedule particularly concerning Scale model turn-in transmitter processing Entry Form full schedule event flying plus Scale turn-in deadlines RC transmitter processing times printed Offical Nats Entry Form Instructions Anyone thinks might enter should obtain 1978 Nats entry form also includes much other useful information available upon request AMA HQ 815 Fifteenth St NW Washington DC 20005 Please include stamped pre-addressed en velope AMA HQ offices Chennault Air Base Lake Charles will open registration late entry July 30 ba sically 8 am noon 1 pm 5 pm day also noon day Indoor site Late Basic Entry Fee Juniors Sen iors $5 same advance fee includes entry event $40 Open mem bers no event included Event fees late entries events added Nats advance entrants $5 per event age categories--except RC $10 per event Mechanics Fee advance late $5 provides identification field access priv ileges equivalent contestants Nats Housing University dormitories available rate $5 per person per night double occupancy Children oc cupy bed use sleeping bag ex ample will charged NATS MEETINGS regular AMA general membership meeting provided AMA by-laws scheduled held Nats Wednesday August 2 600 pmall members invited Nominating Committee open AMA vice-presidents appointed delegates will meet Wednesday August 2 8 pm beginning meeting signals closing time AMA officer nominations President Vice-Presidents District 2 4 6 8 10 19791980 term See AMA News section issue nomination procedures NEW NATS TROPHY POLICY Awards will provided least three places Nats event Juniors Seniors well Open contestants ad dition awards may available de pending upon number advance entries event Thus 10 advance entries age group event will least five awards addition will award ten advance en tries beyond first ten Example 21 ad vance entries six awards five first 10 plus second 10 JUNIORS AND SENIORS Juniors Seniors will receive awards same manner Open adult age entries means encouraging young sters compete Nats Juniors Seniors year get free entry Nats event upon payment basic fee Thus Open contestants have pay $20 basic fee plus $3 per event $10 per RC event Juniors pay $5 basic fee no event fees unless enter event same true Seniors ex cept basic fee $10 Juniors Seniors should know too no late entry penalty fee Open entrants latter have pay $40 late entry after July 3 whereas fee stays same Juniors Seniors no matter enter over 60 events 1978 Nats can entered Juniors Seniors special policies age groups years Nats can happy experience youngsters find out ask free Nats entry formsend stamped selfaddressed envelope AMA 815 Fifteenth St NW Washington DC 20005 100 Model Aviation O ER 8O8 8 CA 088 SCALE DRA~SXa ER SON RFP TECH 45550 M KENZ t HWYV DA OR q ss
Edition: Model Aviation - 1978/06
Page Numbers: 39, 40, 41, 42, 43, 97, 98, 99, 100
For sport flying mock combat demonstrations 35-powered stunter highly recommended project Plans show alternate fuselagesone true profile other built-up profile Roger Greene THE SUPERMARINE Spitfire beautiful deadly fighter planes World War II long time control line enthusiasts have wanted workable model airplane sport flying mock-combat aerial demonstra tion Now can burn up skies control line modelboth solid built-up profile concepts models fly beautifully look great real pleasure build joy fly pleasure have Spitfire conceived fa Top One nice features built-up profile version does sea such Un pleasantries normal seam between plywood doublers balsa identification let ters scale-like actually initials three club members built Spitfires Above elevator/flap linkage shows clearly photothe surfaces positioned convey impression relative amounts movement Alas tank could hidden June 1978 39 irilIFz-- T LEG .4.I/I6 SHEET LEASINGGIG ii.tii--3/32 SPAREDGE PLANKING ~7GEAR I/B SHEET Tn JL3oo AGNINAM TARING I/R GREET USE ONE SHEET GF I/O BALSA AND CUT PARTS GUT AG SHOWN KBR EGGG y R-I GNLS B-I R-I MARE GNE I/O WITRAST LANSING GEAR BLGCR CATTAT _ II R-I GA RI MAKE FOUR 3/AG WITH LANSING SEAR BLGCK CATGUT R-A REINFGRCENENTMARE TINS 3/32 BALSA K ERWIREMARE TWA 3/3D BALSA -I-i/__ S/B SHEETS/IA SR EMARE TWA 3/3D BALSA SOP TI I7___ MARE TINS 3/SD BALSA ci-QQ-iEUZ MARE TWO 3/32 BALSA QmO2 MARE TWO 3/3D BALSA ARSCALEIN INCHES I0 SUPERMARIA PROFILE VERSION DESIGNED 8 DRAWN BY CAT THIS PART GUT FGB ENGINE ON GSTBGABD SIDE CUT rHIS PART OAT FGR ENGINE GN INBOARD AIDE 7 FOG 35 BEAM S PA C IN S -SALLIG mous British designer R J Mitchell mid-1930s first flew 1936 last Spitfire made 1947 closing out 20300 Spits domi nated skies Britain during World War II designed Spitfires described article fill what saw needboth builder stunt flier past members Sky Lancers Washing ton known SLOW Club have staged mock aerial combat using various airplanes built Midwest World War II kits good-sized wing span 48 inches usually powered Fox 35 engine Messerschmitt Me- 109 P-51 Mustang dominated Roger feels first bump primed engine before briskly flipping propeller 40 Model Aviation mock aerial combat field some club members wanted British model help fight Me-109 article describes two Spitfires can built 50-inch wingspan plan provide first class historically accurate competition flying Me- 109 models solid profile fuselage built-up profile fuselageboth fly complete AMA Precision Aerobatic Pattern Construction Study plans thoroughly before put knife wood Cut patterns individual parts out plan taking care cut spar pattern half Use felt tip pen trace patterns wood However Spitfire built several members club WINGPLAN _ PATTERN GF THE TGP TINT RUGNOELS R-3R-O _____ TE-I FI 1 FO K_k~~ 7/3/ II RI // FULL-SIZE PLANS AVAILABLE. SEE PAGE 104 -__ V ILE-S r-1T41-1-4I/iOPAR____r4 —---4---___ ht \\ fl4/9]____I _ *2r~4-~- SUPER 118 SREET--I IITWO-LINE 40G ToH- CRANK NELLCRA NEI PLATFORM {IIIEIII I/N PLYWOOD OR4 J~ P008805 _______________________________________ 5r.......tJ \LANOINA AEGSIIIWINO TIP 7 RETAINING STRAPGj1 I--WEIGROiL TTEBA OF THENW NOEE TEST SHEETINGIN/,1 iiiiIII 1180 N-SI 8-4-- N-SbR-HR-7 I,WT-5 8-IIIII III SO BLOERS 101IIWT SEE TEUTIIi~iiI _________________NTF IWT-4 HINGE LOCATIONS _______________3/4 SPRING BEARING EP B FLAP OFT LEITSBAIISrI/B PLOWOOS BELLCRANE PLATFORM /V0flHIIBI FR __ __ 3130 BALSA SPAR NOTE CPLICE3/8 OFF-GET IN PLOWOOG SPAN GOOBLERI/B PLOWOOSSECTION THRU I/H SHEETPING SAGGER /8 BALSA SHEET BUILT-OP PROFILE SOOBLER CONVENTIONAL PROFILE SPITFIRE MKJ7 GER S GREENE IK8 U9IE _______________ 3/8 I/O F ENGINE REAMS USELAGE KHBW RK ____1/ 3/IA OSMELI/B PLOWOGOI/U BALSAI/O BULGA __F-S1ENOSSHEETCORE- SOLAGO LANSING GEAR CLIP3/SSRAL3O-F 4 DOUBLERr~1PUANRUG 1/18 PLOWOOS G-4ONEOSUBLER-I.-GLASS CLOTH ANS EPUSO PN/4 I/S SHEETS ROLE 330 BUS C B REWASHERS H /HUS BENOCGLORSITO RUBBER WHEEL II1/4 50 BELICRUNE UU-1HOHELLOWI I/N IA BRASS TUBING4--HPLATFORM AUPPORTS______ UE LUNGING GEAR MOANTSC U RUNUEI/B PLOWUOGWHITECONTROL HORN RELLCRANELANSING GEAR UPLATFORM CLIP PATTERNFIBERGLAUS CLSTH I/IN PLOWOOG TIN GTGCR MGSIC W RE BEAR NO COPPER N RE SOLGER I/4I/OGHEET NSTE TAPER 0/B RURBER_______________________________________________________________________________ WHEEL 0 0345N KZFUGELASE -F-i SM F-B I/N 3/B R4 I/B BALSAGIGE can mount patterns some type sturdy backing method use glue patterns gift box cardboard just about right strength weight Get large box handles department store studying building sequence may seem jumping around bit has designed get work done least amount time work ing assembly glue dry ing another can get Spitfire built field sooner Begin wing spar Use two sheets 3/32 balsa shown plan Youll have make splice middle cut wood accordingly cut 1/16 plywood spar doubler will glued front full-depth spar piece 3/32 balsa rear spar doubler doublers necessary added strength Align pieces over cardboardmounted plans glue clamp drying Fuselage While spar its doublers drying start building fuselage have choice building conven tional profile built-up profile fuselageboth shown plan built-up profile will lighter aft section will look little realistic because wont see joint ply wood doubler canopy will out lined wood instead paint Built-up Profile Fuselage Start making less solid portion fuse lage Use sheet X 36 balsa Cut out parts F-l F-2 F-3 sure follow curves just behind canopy er rib R-l F-3 cut unused part above fuselage After fuselage pieces cut glue F-l F-2 F-3 together over plan using Sigment pins Conventional Profile Glue together two pieces 36 balsa Sigment make 6-wide piece After glue dry cut shape shown will still have cut F-3 glue shown plan Cut hole wing engine engine beams Cut I/SHY plywood fuselage doublers shape space mount engine outboard side hole bottom back plate screw Fox 35 inboard side Apply Sigbond aliphatic re sin clamp let dry overnight Stabilizer Elevator fuselage June 1978 41 ---II/IN PLOWOOG LERS 4ijI Left George Marenka designer/author Roger Greene rightl Georges Spiffire Right Mike Kresan displays bottom Spitfire show contrast between top bottom paint schemes color scheme depicted model authentic drying cut horizontal stabilizer elevator out 5/16 balsa sheet avail able otherwise use 1/4 balsa sheet firm Cut fin rudder out a medium flaps cut a soft Wing Tips wing tip pieces WT-l through WT-6 cut out /8 balsa sheet Glue WT-l WT-2 WT-3 gether make two assemblies Glue WT-4 WT-5 together make four assemblies wing leading edge LE-1 LE-2 LE-3 cut balsa sheet LE-l can /s X piece cut fit Cut two LE-2 LE-3 Glue LE-l LE-2 LE-3 together over plan Cut trailing edge TE-l /8 balsa sheet TE-2 sanded X 36 strip use piece straight possible Wing Ribs Carve ribs out 3/32 balsa sure make right number rib cut-outs cor rect rib Also make holes lead-out wires inboard wing panel Glue / 16 plywood doublers R- 1 see plan energy department consists case beam-mounted Fox 35 Sullivan SS-4 tank rubberbanded Disco flier may try different props good all-around size 10-6 Built-Up Profile After -thick fuse lage dry can lighten cutting out unneeded portions wood Use metal lipstick top /2 piece brass tubing would cookie-cutter cut out useless balsa weight Sharpen end put 3/32 X 4 piece music wire through side solder place wire will act handle help twist tool cut holes nd engine mounts 1 above wing top fuselage forth Leave least /2 sheet Glue /8 plywood doublers a fuselage Sigbond Aliphatic Resin works very well sure cut-outs engine proper sides airplane Let fuselage dry over night Make simple wood clamp glue doublers two pieces ood six 2 6-32 bolts washer end butterfly nut easy tightening Wing Find rib R-lA drill two /8 holes either Veco landing gear clip own making dont have Veco make landing gear clip out piece tin shown plan location clip shown wing section fuselage plan Hold spar slots up place R-l center place R-lA next R-lB Insert two -sq bellcrank supports place other ribs spar order Insert TE-l leading edge sembly LE-l LE-2 LE-3 slots ribs insert both wing tip assemblies WT- 1 WT-2 WT-3 simple wing jig will necessary make sure wing doesnt warp twist glue setting Take piece balsa square 12 long felt-tipped marker draw line along its length right down middle Now cut piece 12 equal pieces 12 1 cubes will used support wing glue Place blocks shown plan under leading trailing edges wing assembly reference line right down middle up guide Pin blocks work bench Align ribs plan Pin leading edge LE trailing edges ribs pin ribs spar center -sq balsa belicrank plat form supports done ensure straight true wing Now glue various wing pieces gether ribs spar wing tips leading edges trailing edges 1/4 squares insert bellcrank plat form glue place aliphatic glue Let wing dry overnight Back fuselage built-up profile fuselage parts F-l F-2 F-3 dry unclamp Next cut /s sides shape Cut top bottom pieces t balsa Note taper shown plan Glue /8 balsa sides top p F-5 part F-4 Lay front part fuselage bench a side down Prop up aft portion /4 let dry glue other side fuselage pin place set aside dry glue bottom p yet Easy Does waiting glue set cut out sand flaps rudder fin elevator stabilizer E-2 trailing edge wing shape shown sitting arm should feel though have just pitched nine innings word cau tion though dont go too fast take easy let beautiful Spitfire lines develop slowly Wing Again wing structure set aside dry has indeed dried glue TE-2 place behind TE-l snug fit required between WT-ls Next glue eading edge wont bend easily around wing tip wet Continued page 97 Heres clever trick add realismif making built-up profile Cut away sur face laminations around canopy area note smooth joint between doubler side skin big attraction Spitfire its distinctive planform Its fine all-around performance came great engine ultra-clean streamlining unusually large wing area WW-Il fighter Two trio Spiffires ready go against Me109s flown other SLOW club members Loading way Mike Kresans ship Georoe Marenkas just behind poses wing-mans Coloring olive tan camouflage light blue undersurfaces about contests new products will publish some column like name print write us Fred RandellMA Enterprises 659 Colony Rd Box 7305 Canal Fulton OH 44614 216/854-4233is producing ink-sack pen bladders again Price $1800 per hundred plus postage Nick ArpinoDarp Speed Pans 301 Woodacres Rd East Patchogue NY 11772 516/286-8144is adding 21long Formula-40 pan already fine line A-FAI 15 long B-C 18 long D 20 long Brassels Speed Equipment 1215 N Concord Rd Chattanooga TN 37421 615/892-5995Harters speed pans mono-line wire handles Bill Pardue described recent Golden Trial Model Masters Fall Contest Winston-Salem NC October 22 seems Quay Barbers Lil Shaver profile proto Put Mike Langlois record/ratio speed event Actually profile model flown mono-line enclosed proto class new Junior record interesting note Quay Bar zers /2A profile mono-line outran both Bagwells Langlois pure speed models 3-port mini-pipe Cox engines Barber running nearly stock TD final results record/ratio speed event looked like GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 6 8 & 10 PITCH20800 221000 241300 AT YOUR DEALER USE TO PROPEL AIR ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE 1-IELICAL 2 Blade Tractor 5-3each 5-45/-3 6-3 7-47-6 8-48-6 9-49-6 9-810-4 11-411-6 12-412-5 5%-4 6-4 7-8 8-8 9-7 10-6 11-8 12-6 304 354 SOd 654 854 $1 $150 CREATE THRUST AND BE PROPELLED BY AIR DISCRETION OF 2 Blade Pusher 5A-4 6-36-4 35d 8-685d 9-610-6$1 BLADE 3 BladeTractorx 5-3 6-36-4SOd 3 BladePusher 6-3SodMetallic Aluminum Color Made polyester boll color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Jr Proto Open Jet Speed Jr Profile Proto Jr 1/2ASpeed Sr Y2A Speed Op A Speed slightly raised Bee A-insert-type same type plug Nick used recently set new Open speed record 121 mph recent Day ton Ohio meet Al Stegins reported have run 117-119 #2 engine open face exhaust Gb Bee plug really honking proto #1 engine until ground jumped up grab should noted three official flights Langlois jet lap glide included clocking 6-op non-pressure tank Mike getting 9 laps under power launch getting pylon after ship still ground some flights 211 210 50% propylene oxide 50% nitro-methane Nit rotane about ten flights flown same set valves stub backup valves same diameter retainer Retainer turned back 050 stock 50/50 fuel fed pressure tank coming through metering jet drilled #42 drill size Bill also advises careful what9752 mph 21118mph 9406 mph 10634 mph 10461 mph 10621 mph 1043 1%9406 Backup 10269%21020 Backup 10146% 984 1% 9418% 88 00% ever tubing using watch out pin holes Bill Pardue indicated doing series jet articles Da Gaz have read some Bills jet scoop Gaz Encourage jet speed fliers sub scribe Da Gaz Its $500 per year Doc Jackson 523 Meadowbrook Circle St Davids PA 19087 Between Doc Bill folks should getting inter ested speed flying again I-lope indicator speed upswing Received call T Wright Jacksonville Florida about King Orange meet December 30 31 1977 January 1 1978 weather fair rained little enough really stop things Participation ex cellent Free Flight Stunt Combat Goodyear Rat Entries Speed Carrier low AT set new D speed record under 78-79 rules 197 mph mini-pipe Also Bob Day AT joined forces set Profile Proto record 92 mph Would like find out Mike Hoyt still handling jet pipes heads Have able contact him nt forget United States Control Line Model Airplane Championships Winston-Salem NC June 17-18 body thats anybody gonna Contact Bill Pardue 1201 Surry Drive Greensboro NC 27408 next column will cover tach props what RPM ranges look Gene Hem pel Tom Upton 301 N Yale Dr Garland TX 75042 Spitfire/Greene continued page 43 bend shape -sq lead ing edges dry glue place Glue WT-6 top two wing tip semblies WT-4 WT-5 wing tip shown Let dry Hardware Hookup Connect lead-out wires bellcrank slip wires through ribs Use 3/32 aluminum tubing inboard wing tip protect wing tip assembly Glue tubing place epoxy Bend 3/32 pushrod wire shown Sol der bellcrank using washer top bottom install bellcrank Sol der nut bellcrank make certain wont come apart flight Landing Gear Cut piece 1/8 ID brass tubing shown wing section fuselage plan landing gear slip June 1978 97 fio7rnd&i PROPELLERS PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER RIGHT HAND ROTATION 3/B BORE THE PURCHASER Pusher 10-6$150 G RUSH ST JOHN INDIANA 46373 1st Quay Barber 2nd Mike Langlois 3rd Quay Barber 4th Quay Barber 5th Phil Bagwell 6th Mike Langlois bypass flute very using new Gb Gb plug WERE EXPANDING CELEBRATING MODEL BUILDER substantially increasing its RIG coverage new monthly features leading modeling authorities RIG construction articles emphasis how-to. R/C oriented Because free flight control line modelers consider MODEL BUILDER best magazine will contin ue present amount coverage areas including regular Peanut plan feature means MODEL BUILDER must enlarge physically pages doing CELEBRATE WITH US SCRIBE NOW AND GET 3 PEE ISSUES Fill out send coupon check Money Order year subscription $1500 will re ceive 3 additional FREE ISSUES total savings $750 Mall MODEL BUILDER Magazine 621 West 19th St Costa Mesa Calif 92627 [v32][b-1-10-1-10]] REGULAR SUBSCRIPTION IS $1500 SUBSCRIBE NOW AND Address __________________________________________ SAVE $750! RECEIVE 15 ISSUESATONE-THIRDOFF! City __________________State ________ Zip NOTE This offer new subscribers NOT subject additional AMA membership discount [v32][b-1-10-1-10]] tubing held place gear clip made earlier pieces should bolted rib R-1A using two 4/40 screws Drill /i hole s/s edge slot landing gear slot shown Position pin glue epoxy landing gear block Solder gear clip s tubing wont come out flight Wing Sheeting Now come enor mously delicate critical aspect cover ing wing Cover 1/16 sheet balsa Use Sigment glue leading edge sheeting top spar sure splice joining sheeting material -wide center wing rib glue dry remove pins hold /8 leading edge 1 blocks wet leading edge sheeting water bend down over ribs tack-pin /4-sq leading edge sheeting dry has acquired its basic set remove pins Raise forward portion sheeting carefully apply Sigment top ribs -sq leading edge sheeting will fasten sheeting place pins set aside glue dry Back Fuselage fuselage should dry now sand shape shown plan sanding-arm should used now WingOne Time wing has dried remove pins including hold 1 blocks Turn wing over glue bottom two tip semblies WT-4 WT-5 pin place let em dry Glue bottom sheeting same way did top sheeting Cut places sheeting landing gear blocks After glue underside wing dry mark trailing edge TE-2 pencil center rib R-l go Mark both sides conventional fuselage t-up profile fuselage Now install rib cap strips put center planking indicated wing tip weight will added later Engine Installation Check Test mount engine using four 4-40 bolts 1 long four T nuts ensure zero-degree thrust alignment remove glow plug cut 12 piece 1/8 wire place tween center cooling fins head wire will give line eyeball engine zero degree thrust Mark drill holes check make cer tain fit Tail Assembly Next horizontal stabi lizer elevator Clean off sanding dust set elevator over plans Mark edge elevator horn should go Drill straight hole ele vator receive control horn Cut channel horn will fit elevators Test make sure fits well Now mark hinge locations use Exacto #11 blade After making several cuts pull out balsa chips insert hinge check fit Put some Vasoline hinge pivotsbut pivots Apply Sigpoxy part goes balsa Vasoline will allow epoxy stick pivot point Now epoxy control horn elevator align horizontal stabilizer elevator over plan sure pin will dry straight Flaps Place flaps plan po sition control horn mark flaps indicate holes should receive horn Drill holes set horn epoxy firmly place Lay assembly work bench pin keep straight Let dry thoroughly Wing Again Sand wing smooth #220 sandpaper rounding out leading edges tips rest butt joints should disappear touch Dont sand marks trailing edge youll need later reference Check flaps sure control horn dry hinges glued same ele vators Slip flaps wing slot fuselage slip wing fuselage Wing Fuselage Alignment Align wing fuselage placing triangle leading edge wing against 98 Model Aviation Na fuselagethe wing straight Make sure trailing edge marks wing still seen both sides fuselage Also triangle make sure fuselage 900 airfoil opposite canopy Epoxy let dry overnight Drill insert two 3/16 dowls shown Glue epoxy Sigbond Now put bottom fuselage cap F-6 Glue place Sigment Glue flaps hinges trailing edge TE-2 wing same way handled stabilizer elevator Tail Alignment Horizontal stabilizer elevator next glued fuse lage Mark fuselage width cen ter leading edge stabilizer insert fuselage using marks make certain exactly centered Glue Sigbond Use ngular piece glued under side stabilizer extra strength horizontal stabili zer should parallel wing Stand couple feet away eyeball front align top wing bottom stabilizer sure horizontal stabilizer hinge line exactly parallel wing hinge line Measure distance hinge line tip stabilizer trail ing edge wing hinge line both sides distances must equal airplane wont track properly fly proper horizontal altitude After surfaces straight true let whole thing dry thoroughly hour check make sure sur faces still aligned properly give plenty time set fin rudder glued next Use rudder offset shown plan Landing Gear Bend landing gear shape shown plan making sure make left right sure also match sweep-forward shown plan fasten wheels slip wheel over axle washer take couple turns copper wire around axle solder wire washer axle Place main landing gear mounts wing using Sig landing gear straps secure place Bend epoxy tail wheel strut shown Secure wheel same way main gear Connecting Flaps Elevator easy way connect flaps elevator two pieces 3/32 music wire long enough overlap other about 1 shown Wrap copper wire pushrods bent installed keepers flaps elevators should set zero degrees Solder pushrod Put pushrod bearing about halfway between elevator flaps see plan Fuel Tank Mount fuel tank fuselage using music wire rubberbands Use Sullivan 4 oz tank see pic ture Wing Tip Weight engine inCHARACTERISTICS Designed withstand rugged treatment gas powered models must endure TOUGH LIGHTWEIGHT MAR-RESISTANT FINISH FUEL PROOFNOT AFFECTED BY WATER CHEMICALS OR ALCOHOL AND WITHSTANDS RACING FUELS UP TO 50% NITRO METHANE ONE-COMPONENT SYSTEMREQUIRES NO CATALYST LOW ODOR QUICK DRYINGDUST FREE IN 45 MINUTES DRIES HARD IN 4 HOURS WILL NOT WRINKLE OR LIFT WHEN RECOATED FREE OF LEAD HAZARDSNON-TOXIC WHEN DRY SPRAY CONTAINS NO FLUOROCARBON PROPELLENTS BRUSHES EASILY WITHOUT BRUSH MARKS APPLICATIONS Applies paintable surface Since Formula-U does shrink silkapan silk products recommended Aero-Gloss Flat Gloss Clear applied first topcoated Formula-U Brushing Formula-U can thinned spray gun application Colors can mixed Use Formula-U Thinner thinning clean-up SIZES oz Jar Can 12 oz Spray Can Leadouts If havent done already some people like get ahead plan wrap leadouts see plan Finishing After test-fitting fuel tank engineand wing tip weight installedfine-sand entire airplane babys bottom smoothness Paint two coats clear dope both coats dry hard sand whole airplane again fine sand paper lightly clear dope over whole model will keep wood grain rising under covering Cut Silkspan shape over wing wet water using mist sprayer Pull Silkspan around leading edges remove wrinkles Cement Silkspan wing applying clear dope center planking leading edges trailing edges wing tips continually pulling entire wing continually pulling keep wrinkles Silkspan dry paint entire wing six 6 coats clear dope sanding very gently after even-numbered coat Use two three coats sanding sealer over entire airplane fill wood grain June 1978 99 COLORS Brushing Spray choice Hi-Gloss Metallic Flat 0Perfectly match 12 SolarIum colors stalled turn airplane over its rudder nose inboard wing should touch table Apply enough weight allow outboard tip flop down work bench inboard tip will up enough weight Lead solder wrapped light string makes good weight epoxy wood KITS 0 PtANS 0 ACCESSORIES BABY ACEP-NUT KITS NYLON BEARINGS BROWN CO-2 ENGINES _____________________REAL JAPANESE TISSUE-PROPS 57 SPAN COMPLETE CATALOG 50t KIT $4 25 MANY HAED TO FIND ITEMS Pt*-hfywes W BOX 2498LA MESA CALIF 92041 CATALOG 25c DAVIS22 D-IK PLAN CSD-7BY Chas E Steinchak MODERNISTIC MODELS PO B0X6974ALBUQNM87107 sanding lightly after coat Markings The roundels wing placed shown plan top ones shown inboard side bottom ones shown outboard side Heres good easy way make turn out right using compass draw proper circles contact paper cut out Starting center paint area roundel winga little actual area will finished airplane cover area contact paper mask center circle Seal edges clear paint Paint next color again little larger actual roundel will cover proper mask seal edges clear paint Continue until roundel complete Leave paper until rest Spitfire painted peel off contact paper presto youve got professional job may seem faster same time just make sure put right color right circles Pain canopy light blue Add AMA numbers initials can go fuselage Paint bottom airplane light blue paint top olive tan cam ouflage colors Conclusion Both Spitfires needed back plate engine filled sol der trimmed fly May June July 1976 issues Model Aviation Chris Lella tells lot airplanes actions problems articles bal ancing roll yaw pitch control line stunt ships quite good should read control line flyer models described article both capable doing complete AMA pattern problems either have worthy addition stable aerobatic mock-combat champions 52nd Nationals continued page 53 Charles Nats has possible adds up lot enjoyment economical conditions family oriented Nats Further food thought has become harder harder put Nats due cost complexity factors much has increasing talk re cent years about discontinuing Nats changing significantly make manageable might last opportunity enjoy Nats classic tradition Lake Charles offers best combination factors make trip worthwhile ever inclined go Nats years recommended offer facilities view point Lake Charles known site country much ideally suited Nats Thus stage set once again AMA put worlds biggest model meet invited FF Duration/Meuser continued page 55 b tickle funnybones applies getting people tell about find lost models Nats Entry&Meeting Information Advance Entry mail savings big Basic Fee refundable dont show Nats best bet advance entry postmark deadline July 3 Late entries will also permitted contest site during Nats period pri mary requisite events late en tries accomplished before various stages preflight processing events con cerned accordance Nats entry form schedule particularly concerning Scale model turn-in transmitter processing Entry Form full schedule event flying plus Scale turn-in deadlines RC transmitter processing times printed Offical Nats Entry Form Instructions Anyone thinks might enter should obtain 1978 Nats entry form also includes much other useful information available upon request AMA HQ 815 Fifteenth St NW Washington DC 20005 Please include stamped pre-addressed en velope AMA HQ offices Chennault Air Base Lake Charles will open registration late entry July 30 ba sically 8 am noon 1 pm 5 pm day also noon day Indoor site Late Basic Entry Fee Juniors Sen iors $5 same advance fee includes entry event $40 Open mem bers no event included Event fees late entries events added Nats advance entrants $5 per event age categories--except RC $10 per event Mechanics Fee advance late $5 provides identification field access priv ileges equivalent contestants Nats Housing University dormitories available rate $5 per person per night double occupancy Children oc cupy bed use sleeping bag ex ample will charged NATS MEETINGS regular AMA general membership meeting provided AMA by-laws scheduled held Nats Wednesday August 2 600 pmall members invited Nominating Committee open AMA vice-presidents appointed delegates will meet Wednesday August 2 8 pm beginning meeting signals closing time AMA officer nominations President Vice-Presidents District 2 4 6 8 10 19791980 term See AMA News section issue nomination procedures NEW NATS TROPHY POLICY Awards will provided least three places Nats event Juniors Seniors well Open contestants ad dition awards may available de pending upon number advance entries event Thus 10 advance entries age group event will least five awards addition will award ten advance en tries beyond first ten Example 21 ad vance entries six awards five first 10 plus second 10 JUNIORS AND SENIORS Juniors Seniors will receive awards same manner Open adult age entries means encouraging young sters compete Nats Juniors Seniors year get free entry Nats event upon payment basic fee Thus Open contestants have pay $20 basic fee plus $3 per event $10 per RC event Juniors pay $5 basic fee no event fees unless enter event same true Seniors ex cept basic fee $10 Juniors Seniors should know too no late entry penalty fee Open entrants latter have pay $40 late entry after July 3 whereas fee stays same Juniors Seniors no matter enter over 60 events 1978 Nats can entered Juniors Seniors special policies age groups years Nats can happy experience youngsters find out ask free Nats entry formsend stamped selfaddressed envelope AMA 815 Fifteenth St NW Washington DC 20005 100 Model Aviation O ER 8O8 8 CA 088 SCALE DRA~SXa ER SON RFP TECH 45550 M KENZ t HWYV DA OR q ss
Edition: Model Aviation - 1978/06
Page Numbers: 39, 40, 41, 42, 43, 97, 98, 99, 100
For sport flying mock combat demonstrations 35-powered stunter highly recommended project Plans show alternate fuselagesone true profile other built-up profile Roger Greene THE SUPERMARINE Spitfire beautiful deadly fighter planes World War II long time control line enthusiasts have wanted workable model airplane sport flying mock-combat aerial demonstra tion Now can burn up skies control line modelboth solid built-up profile concepts models fly beautifully look great real pleasure build joy fly pleasure have Spitfire conceived fa Top One nice features built-up profile version does sea such Un pleasantries normal seam between plywood doublers balsa identification let ters scale-like actually initials three club members built Spitfires Above elevator/flap linkage shows clearly photothe surfaces positioned convey impression relative amounts movement Alas tank could hidden June 1978 39 irilIFz-- T LEG .4.I/I6 SHEET LEASINGGIG ii.tii--3/32 SPAREDGE PLANKING ~7GEAR I/B SHEET Tn JL3oo AGNINAM TARING I/R GREET USE ONE SHEET GF I/O BALSA AND CUT PARTS GUT AG SHOWN KBR EGGG y R-I GNLS B-I R-I MARE GNE I/O WITRAST LANSING GEAR BLGCR CATTAT _ II R-I GA RI MAKE FOUR 3/AG WITH LANSING SEAR BLGCK CATGUT R-A REINFGRCENENTMARE TINS 3/32 BALSA K ERWIREMARE TWA 3/3D BALSA -I-i/__ S/B SHEETS/IA SR EMARE TWA 3/3D BALSA SOP TI I7___ MARE TINS 3/SD BALSA ci-QQ-iEUZ MARE TWO 3/32 BALSA QmO2 MARE TWO 3/3D BALSA ARSCALEIN INCHES I0 SUPERMARIA PROFILE VERSION DESIGNED 8 DRAWN BY CAT THIS PART GUT FGB ENGINE ON GSTBGABD SIDE CUT rHIS PART OAT FGR ENGINE GN INBOARD AIDE 7 FOG 35 BEAM S PA C IN S -SALLIG mous British designer R J Mitchell mid-1930s first flew 1936 last Spitfire made 1947 closing out 20300 Spits domi nated skies Britain during World War II designed Spitfires described article fill what saw needboth builder stunt flier past members Sky Lancers Washing ton known SLOW Club have staged mock aerial combat using various airplanes built Midwest World War II kits good-sized wing span 48 inches usually powered Fox 35 engine Messerschmitt Me- 109 P-51 Mustang dominated Roger feels first bump primed engine before briskly flipping propeller 40 Model Aviation mock aerial combat field some club members wanted British model help fight Me-109 article describes two Spitfires can built 50-inch wingspan plan provide first class historically accurate competition flying Me- 109 models solid profile fuselage built-up profile fuselageboth fly complete AMA Precision Aerobatic Pattern Construction Study plans thoroughly before put knife wood Cut patterns individual parts out plan taking care cut spar pattern half Use felt tip pen trace patterns wood However Spitfire built several members club WINGPLAN _ PATTERN GF THE TGP TINT RUGNOELS R-3R-O _____ TE-I FI 1 FO K_k~~ 7/3/ II RI // FULL-SIZE PLANS AVAILABLE. SEE PAGE 104 -__ V ILE-S r-1T41-1-4I/iOPAR____r4 —---4---___ ht \\ fl4/9]____I _ *2r~4-~- SUPER 118 SREET--I IITWO-LINE 40G ToH- CRANK NELLCRA NEI PLATFORM {IIIEIII I/N PLYWOOD OR4 J~ P008805 _______________________________________ 5r.......tJ \LANOINA AEGSIIIWINO TIP 7 RETAINING STRAPGj1 I--WEIGROiL TTEBA OF THENW NOEE TEST SHEETINGIN/,1 iiiiIII 1180 N-SI 8-4-- N-SbR-HR-7 I,WT-5 8-IIIII III SO BLOERS 101IIWT SEE TEUTIIi~iiI _________________NTF IWT-4 HINGE LOCATIONS _______________3/4 SPRING BEARING EP B FLAP OFT LEITSBAIISrI/B PLOWOOS BELLCRANE PLATFORM /V0flHIIBI FR __ __ 3130 BALSA SPAR NOTE CPLICE3/8 OFF-GET IN PLOWOOG SPAN GOOBLERI/B PLOWOOSSECTION THRU I/H SHEETPING SAGGER /8 BALSA SHEET BUILT-OP PROFILE SOOBLER CONVENTIONAL PROFILE SPITFIRE MKJ7 GER S GREENE IK8 U9IE _______________ 3/8 I/O F ENGINE REAMS USELAGE KHBW RK ____1/ 3/IA OSMELI/B PLOWOGOI/U BALSAI/O BULGA __F-S1ENOSSHEETCORE- SOLAGO LANSING GEAR CLIP3/SSRAL3O-F 4 DOUBLERr~1PUANRUG 1/18 PLOWOOS G-4ONEOSUBLER-I.-GLASS CLOTH ANS EPUSO PN/4 I/S SHEETS ROLE 330 BUS C B REWASHERS H /HUS BENOCGLORSITO RUBBER WHEEL II1/4 50 BELICRUNE UU-1HOHELLOWI I/N IA BRASS TUBING4--HPLATFORM AUPPORTS______ UE LUNGING GEAR MOANTSC U RUNUEI/B PLOWUOGWHITECONTROL HORN RELLCRANELANSING GEAR UPLATFORM CLIP PATTERNFIBERGLAUS CLSTH I/IN PLOWOOG TIN GTGCR MGSIC W RE BEAR NO COPPER N RE SOLGER I/4I/OGHEET NSTE TAPER 0/B RURBER_______________________________________________________________________________ WHEEL 0 0345N KZFUGELASE -F-i SM F-B I/N 3/B R4 I/B BALSAGIGE can mount patterns some type sturdy backing method use glue patterns gift box cardboard just about right strength weight Get large box handles department store studying building sequence may seem jumping around bit has designed get work done least amount time work ing assembly glue dry ing another can get Spitfire built field sooner Begin wing spar Use two sheets 3/32 balsa shown plan Youll have make splice middle cut wood accordingly cut 1/16 plywood spar doubler will glued front full-depth spar piece 3/32 balsa rear spar doubler doublers necessary added strength Align pieces over cardboardmounted plans glue clamp drying Fuselage While spar its doublers drying start building fuselage have choice building conven tional profile built-up profile fuselageboth shown plan built-up profile will lighter aft section will look little realistic because wont see joint ply wood doubler canopy will out lined wood instead paint Built-up Profile Fuselage Start making less solid portion fuse lage Use sheet X 36 balsa Cut out parts F-l F-2 F-3 sure follow curves just behind canopy er rib R-l F-3 cut unused part above fuselage After fuselage pieces cut glue F-l F-2 F-3 together over plan using Sigment pins Conventional Profile Glue together two pieces 36 balsa Sigment make 6-wide piece After glue dry cut shape shown will still have cut F-3 glue shown plan Cut hole wing engine engine beams Cut I/SHY plywood fuselage doublers shape space mount engine outboard side hole bottom back plate screw Fox 35 inboard side Apply Sigbond aliphatic re sin clamp let dry overnight Stabilizer Elevator fuselage June 1978 41 ---II/IN PLOWOOG LERS 4ijI Left George Marenka designer/author Roger Greene rightl Georges Spiffire Right Mike Kresan displays bottom Spitfire show contrast between top bottom paint schemes color scheme depicted model authentic drying cut horizontal stabilizer elevator out 5/16 balsa sheet avail able otherwise use 1/4 balsa sheet firm Cut fin rudder out a medium flaps cut a soft Wing Tips wing tip pieces WT-l through WT-6 cut out /8 balsa sheet Glue WT-l WT-2 WT-3 gether make two assemblies Glue WT-4 WT-5 together make four assemblies wing leading edge LE-1 LE-2 LE-3 cut balsa sheet LE-l can /s X piece cut fit Cut two LE-2 LE-3 Glue LE-l LE-2 LE-3 together over plan Cut trailing edge TE-l /8 balsa sheet TE-2 sanded X 36 strip use piece straight possible Wing Ribs Carve ribs out 3/32 balsa sure make right number rib cut-outs cor rect rib Also make holes lead-out wires inboard wing panel Glue / 16 plywood doublers R- 1 see plan energy department consists case beam-mounted Fox 35 Sullivan SS-4 tank rubberbanded Disco flier may try different props good all-around size 10-6 Built-Up Profile After -thick fuse lage dry can lighten cutting out unneeded portions wood Use metal lipstick top /2 piece brass tubing would cookie-cutter cut out useless balsa weight Sharpen end put 3/32 X 4 piece music wire through side solder place wire will act handle help twist tool cut holes nd engine mounts 1 above wing top fuselage forth Leave least /2 sheet Glue /8 plywood doublers a fuselage Sigbond Aliphatic Resin works very well sure cut-outs engine proper sides airplane Let fuselage dry over night Make simple wood clamp glue doublers two pieces ood six 2 6-32 bolts washer end butterfly nut easy tightening Wing Find rib R-lA drill two /8 holes either Veco landing gear clip own making dont have Veco make landing gear clip out piece tin shown plan location clip shown wing section fuselage plan Hold spar slots up place R-l center place R-lA next R-lB Insert two -sq bellcrank supports place other ribs spar order Insert TE-l leading edge sembly LE-l LE-2 LE-3 slots ribs insert both wing tip assemblies WT- 1 WT-2 WT-3 simple wing jig will necessary make sure wing doesnt warp twist glue setting Take piece balsa square 12 long felt-tipped marker draw line along its length right down middle Now cut piece 12 equal pieces 12 1 cubes will used support wing glue Place blocks shown plan under leading trailing edges wing assembly reference line right down middle up guide Pin blocks work bench Align ribs plan Pin leading edge LE trailing edges ribs pin ribs spar center -sq balsa belicrank plat form supports done ensure straight true wing Now glue various wing pieces gether ribs spar wing tips leading edges trailing edges 1/4 squares insert bellcrank plat form glue place aliphatic glue Let wing dry overnight Back fuselage built-up profile fuselage parts F-l F-2 F-3 dry unclamp Next cut /s sides shape Cut top bottom pieces t balsa Note taper shown plan Glue /8 balsa sides top p F-5 part F-4 Lay front part fuselage bench a side down Prop up aft portion /4 let dry glue other side fuselage pin place set aside dry glue bottom p yet Easy Does waiting glue set cut out sand flaps rudder fin elevator stabilizer E-2 trailing edge wing shape shown sitting arm should feel though have just pitched nine innings word cau tion though dont go too fast take easy let beautiful Spitfire lines develop slowly Wing Again wing structure set aside dry has indeed dried glue TE-2 place behind TE-l snug fit required between WT-ls Next glue eading edge wont bend easily around wing tip wet Continued page 97 Heres clever trick add realismif making built-up profile Cut away sur face laminations around canopy area note smooth joint between doubler side skin big attraction Spitfire its distinctive planform Its fine all-around performance came great engine ultra-clean streamlining unusually large wing area WW-Il fighter Two trio Spiffires ready go against Me109s flown other SLOW club members Loading way Mike Kresans ship Georoe Marenkas just behind poses wing-mans Coloring olive tan camouflage light blue undersurfaces about contests new products will publish some column like name print write us Fred RandellMA Enterprises 659 Colony Rd Box 7305 Canal Fulton OH 44614 216/854-4233is producing ink-sack pen bladders again Price $1800 per hundred plus postage Nick ArpinoDarp Speed Pans 301 Woodacres Rd East Patchogue NY 11772 516/286-8144is adding 21long Formula-40 pan already fine line A-FAI 15 long B-C 18 long D 20 long Brassels Speed Equipment 1215 N Concord Rd Chattanooga TN 37421 615/892-5995Harters speed pans mono-line wire handles Bill Pardue described recent Golden Trial Model Masters Fall Contest Winston-Salem NC October 22 seems Quay Barbers Lil Shaver profile proto Put Mike Langlois record/ratio speed event Actually profile model flown mono-line enclosed proto class new Junior record interesting note Quay Bar zers /2A profile mono-line outran both Bagwells Langlois pure speed models 3-port mini-pipe Cox engines Barber running nearly stock TD final results record/ratio speed event looked like GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 6 8 & 10 PITCH20800 221000 241300 AT YOUR DEALER USE TO PROPEL AIR ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE 1-IELICAL 2 Blade Tractor 5-3each 5-45/-3 6-3 7-47-6 8-48-6 9-49-6 9-810-4 11-411-6 12-412-5 5%-4 6-4 7-8 8-8 9-7 10-6 11-8 12-6 304 354 SOd 654 854 $1 $150 CREATE THRUST AND BE PROPELLED BY AIR DISCRETION OF 2 Blade Pusher 5A-4 6-36-4 35d 8-685d 9-610-6$1 BLADE 3 BladeTractorx 5-3 6-36-4SOd 3 BladePusher 6-3SodMetallic Aluminum Color Made polyester boll color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Jr Proto Open Jet Speed Jr Profile Proto Jr 1/2ASpeed Sr Y2A Speed Op A Speed slightly raised Bee A-insert-type same type plug Nick used recently set new Open speed record 121 mph recent Day ton Ohio meet Al Stegins reported have run 117-119 #2 engine open face exhaust Gb Bee plug really honking proto #1 engine until ground jumped up grab should noted three official flights Langlois jet lap glide included clocking 6-op non-pressure tank Mike getting 9 laps under power launch getting pylon after ship still ground some flights 211 210 50% propylene oxide 50% nitro-methane Nit rotane about ten flights flown same set valves stub backup valves same diameter retainer Retainer turned back 050 stock 50/50 fuel fed pressure tank coming through metering jet drilled #42 drill size Bill also advises careful what9752 mph 21118mph 9406 mph 10634 mph 10461 mph 10621 mph 1043 1%9406 Backup 10269%21020 Backup 10146% 984 1% 9418% 88 00% ever tubing using watch out pin holes Bill Pardue indicated doing series jet articles Da Gaz have read some Bills jet scoop Gaz Encourage jet speed fliers sub scribe Da Gaz Its $500 per year Doc Jackson 523 Meadowbrook Circle St Davids PA 19087 Between Doc Bill folks should getting inter ested speed flying again I-lope indicator speed upswing Received call T Wright Jacksonville Florida about King Orange meet December 30 31 1977 January 1 1978 weather fair rained little enough really stop things Participation ex cellent Free Flight Stunt Combat Goodyear Rat Entries Speed Carrier low AT set new D speed record under 78-79 rules 197 mph mini-pipe Also Bob Day AT joined forces set Profile Proto record 92 mph Would like find out Mike Hoyt still handling jet pipes heads Have able contact him nt forget United States Control Line Model Airplane Championships Winston-Salem NC June 17-18 body thats anybody gonna Contact Bill Pardue 1201 Surry Drive Greensboro NC 27408 next column will cover tach props what RPM ranges look Gene Hem pel Tom Upton 301 N Yale Dr Garland TX 75042 Spitfire/Greene continued page 43 bend shape -sq lead ing edges dry glue place Glue WT-6 top two wing tip semblies WT-4 WT-5 wing tip shown Let dry Hardware Hookup Connect lead-out wires bellcrank slip wires through ribs Use 3/32 aluminum tubing inboard wing tip protect wing tip assembly Glue tubing place epoxy Bend 3/32 pushrod wire shown Sol der bellcrank using washer top bottom install bellcrank Sol der nut bellcrank make certain wont come apart flight Landing Gear Cut piece 1/8 ID brass tubing shown wing section fuselage plan landing gear slip June 1978 97 fio7rnd&i PROPELLERS PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER RIGHT HAND ROTATION 3/B BORE THE PURCHASER Pusher 10-6$150 G RUSH ST JOHN INDIANA 46373 1st Quay Barber 2nd Mike Langlois 3rd Quay Barber 4th Quay Barber 5th Phil Bagwell 6th Mike Langlois bypass flute very using new Gb Gb plug WERE EXPANDING CELEBRATING MODEL BUILDER substantially increasing its RIG coverage new monthly features leading modeling authorities RIG construction articles emphasis how-to. R/C oriented Because free flight control line modelers consider MODEL BUILDER best magazine will contin ue present amount coverage areas including regular Peanut plan feature means MODEL BUILDER must enlarge physically pages doing CELEBRATE WITH US SCRIBE NOW AND GET 3 PEE ISSUES Fill out send coupon check Money Order year subscription $1500 will re ceive 3 additional FREE ISSUES total savings $750 Mall MODEL BUILDER Magazine 621 West 19th St Costa Mesa Calif 92627 [v32][b-1-10-1-10]] REGULAR SUBSCRIPTION IS $1500 SUBSCRIBE NOW AND Address __________________________________________ SAVE $750! RECEIVE 15 ISSUESATONE-THIRDOFF! City __________________State ________ Zip NOTE This offer new subscribers NOT subject additional AMA membership discount [v32][b-1-10-1-10]] tubing held place gear clip made earlier pieces should bolted rib R-1A using two 4/40 screws Drill /i hole s/s edge slot landing gear slot shown Position pin glue epoxy landing gear block Solder gear clip s tubing wont come out flight Wing Sheeting Now come enor mously delicate critical aspect cover ing wing Cover 1/16 sheet balsa Use Sigment glue leading edge sheeting top spar sure splice joining sheeting material -wide center wing rib glue dry remove pins hold /8 leading edge 1 blocks wet leading edge sheeting water bend down over ribs tack-pin /4-sq leading edge sheeting dry has acquired its basic set remove pins Raise forward portion sheeting carefully apply Sigment top ribs -sq leading edge sheeting will fasten sheeting place pins set aside glue dry Back Fuselage fuselage should dry now sand shape shown plan sanding-arm should used now WingOne Time wing has dried remove pins including hold 1 blocks Turn wing over glue bottom two tip semblies WT-4 WT-5 pin place let em dry Glue bottom sheeting same way did top sheeting Cut places sheeting landing gear blocks After glue underside wing dry mark trailing edge TE-2 pencil center rib R-l go Mark both sides conventional fuselage t-up profile fuselage Now install rib cap strips put center planking indicated wing tip weight will added later Engine Installation Check Test mount engine using four 4-40 bolts 1 long four T nuts ensure zero-degree thrust alignment remove glow plug cut 12 piece 1/8 wire place tween center cooling fins head wire will give line eyeball engine zero degree thrust Mark drill holes check make cer tain fit Tail Assembly Next horizontal stabi lizer elevator Clean off sanding dust set elevator over plans Mark edge elevator horn should go Drill straight hole ele vator receive control horn Cut channel horn will fit elevators Test make sure fits well Now mark hinge locations use Exacto #11 blade After making several cuts pull out balsa chips insert hinge check fit Put some Vasoline hinge pivotsbut pivots Apply Sigpoxy part goes balsa Vasoline will allow epoxy stick pivot point Now epoxy control horn elevator align horizontal stabilizer elevator over plan sure pin will dry straight Flaps Place flaps plan po sition control horn mark flaps indicate holes should receive horn Drill holes set horn epoxy firmly place Lay assembly work bench pin keep straight Let dry thoroughly Wing Again Sand wing smooth #220 sandpaper rounding out leading edges tips rest butt joints should disappear touch Dont sand marks trailing edge youll need later reference Check flaps sure control horn dry hinges glued same ele vators Slip flaps wing slot fuselage slip wing fuselage Wing Fuselage Alignment Align wing fuselage placing triangle leading edge wing against 98 Model Aviation Na fuselagethe wing straight Make sure trailing edge marks wing still seen both sides fuselage Also triangle make sure fuselage 900 airfoil opposite canopy Epoxy let dry overnight Drill insert two 3/16 dowls shown Glue epoxy Sigbond Now put bottom fuselage cap F-6 Glue place Sigment Glue flaps hinges trailing edge TE-2 wing same way handled stabilizer elevator Tail Alignment Horizontal stabilizer elevator next glued fuse lage Mark fuselage width cen ter leading edge stabilizer insert fuselage using marks make certain exactly centered Glue Sigbond Use ngular piece glued under side stabilizer extra strength horizontal stabili zer should parallel wing Stand couple feet away eyeball front align top wing bottom stabilizer sure horizontal stabilizer hinge line exactly parallel wing hinge line Measure distance hinge line tip stabilizer trail ing edge wing hinge line both sides distances must equal airplane wont track properly fly proper horizontal altitude After surfaces straight true let whole thing dry thoroughly hour check make sure sur faces still aligned properly give plenty time set fin rudder glued next Use rudder offset shown plan Landing Gear Bend landing gear shape shown plan making sure make left right sure also match sweep-forward shown plan fasten wheels slip wheel over axle washer take couple turns copper wire around axle solder wire washer axle Place main landing gear mounts wing using Sig landing gear straps secure place Bend epoxy tail wheel strut shown Secure wheel same way main gear Connecting Flaps Elevator easy way connect flaps elevator two pieces 3/32 music wire long enough overlap other about 1 shown Wrap copper wire pushrods bent installed keepers flaps elevators should set zero degrees Solder pushrod Put pushrod bearing about halfway between elevator flaps see plan Fuel Tank Mount fuel tank fuselage using music wire rubberbands Use Sullivan 4 oz tank see pic ture Wing Tip Weight engine inCHARACTERISTICS Designed withstand rugged treatment gas powered models must endure TOUGH LIGHTWEIGHT MAR-RESISTANT FINISH FUEL PROOFNOT AFFECTED BY WATER CHEMICALS OR ALCOHOL AND WITHSTANDS RACING FUELS UP TO 50% NITRO METHANE ONE-COMPONENT SYSTEMREQUIRES NO CATALYST LOW ODOR QUICK DRYINGDUST FREE IN 45 MINUTES DRIES HARD IN 4 HOURS WILL NOT WRINKLE OR LIFT WHEN RECOATED FREE OF LEAD HAZARDSNON-TOXIC WHEN DRY SPRAY CONTAINS NO FLUOROCARBON PROPELLENTS BRUSHES EASILY WITHOUT BRUSH MARKS APPLICATIONS Applies paintable surface Since Formula-U does shrink silkapan silk products recommended Aero-Gloss Flat Gloss Clear applied first topcoated Formula-U Brushing Formula-U can thinned spray gun application Colors can mixed Use Formula-U Thinner thinning clean-up SIZES oz Jar Can 12 oz Spray Can Leadouts If havent done already some people like get ahead plan wrap leadouts see plan Finishing After test-fitting fuel tank engineand wing tip weight installedfine-sand entire airplane babys bottom smoothness Paint two coats clear dope both coats dry hard sand whole airplane again fine sand paper lightly clear dope over whole model will keep wood grain rising under covering Cut Silkspan shape over wing wet water using mist sprayer Pull Silkspan around leading edges remove wrinkles Cement Silkspan wing applying clear dope center planking leading edges trailing edges wing tips continually pulling entire wing continually pulling keep wrinkles Silkspan dry paint entire wing six 6 coats clear dope sanding very gently after even-numbered coat Use two three coats sanding sealer over entire airplane fill wood grain June 1978 99 COLORS Brushing Spray choice Hi-Gloss Metallic Flat 0Perfectly match 12 SolarIum colors stalled turn airplane over its rudder nose inboard wing should touch table Apply enough weight allow outboard tip flop down work bench inboard tip will up enough weight Lead solder wrapped light string makes good weight epoxy wood KITS 0 PtANS 0 ACCESSORIES BABY ACEP-NUT KITS NYLON BEARINGS BROWN CO-2 ENGINES _____________________REAL JAPANESE TISSUE-PROPS 57 SPAN COMPLETE CATALOG 50t KIT $4 25 MANY HAED TO FIND ITEMS Pt*-hfywes W BOX 2498LA MESA CALIF 92041 CATALOG 25c DAVIS22 D-IK PLAN CSD-7BY Chas E Steinchak MODERNISTIC MODELS PO B0X6974ALBUQNM87107 sanding lightly after coat Markings The roundels wing placed shown plan top ones shown inboard side bottom ones shown outboard side Heres good easy way make turn out right using compass draw proper circles contact paper cut out Starting center paint area roundel winga little actual area will finished airplane cover area contact paper mask center circle Seal edges clear paint Paint next color again little larger actual roundel will cover proper mask seal edges clear paint Continue until roundel complete Leave paper until rest Spitfire painted peel off contact paper presto youve got professional job may seem faster same time just make sure put right color right circles Pain canopy light blue Add AMA numbers initials can go fuselage Paint bottom airplane light blue paint top olive tan cam ouflage colors Conclusion Both Spitfires needed back plate engine filled sol der trimmed fly May June July 1976 issues Model Aviation Chris Lella tells lot airplanes actions problems articles bal ancing roll yaw pitch control line stunt ships quite good should read control line flyer models described article both capable doing complete AMA pattern problems either have worthy addition stable aerobatic mock-combat champions 52nd Nationals continued page 53 Charles Nats has possible adds up lot enjoyment economical conditions family oriented Nats Further food thought has become harder harder put Nats due cost complexity factors much has increasing talk re cent years about discontinuing Nats changing significantly make manageable might last opportunity enjoy Nats classic tradition Lake Charles offers best combination factors make trip worthwhile ever inclined go Nats years recommended offer facilities view point Lake Charles known site country much ideally suited Nats Thus stage set once again AMA put worlds biggest model meet invited FF Duration/Meuser continued page 55 b tickle funnybones applies getting people tell about find lost models Nats Entry&Meeting Information Advance Entry mail savings big Basic Fee refundable dont show Nats best bet advance entry postmark deadline July 3 Late entries will also permitted contest site during Nats period pri mary requisite events late en tries accomplished before various stages preflight processing events con cerned accordance Nats entry form schedule particularly concerning Scale model turn-in transmitter processing Entry Form full schedule event flying plus Scale turn-in deadlines RC transmitter processing times printed Offical Nats Entry Form Instructions Anyone thinks might enter should obtain 1978 Nats entry form also includes much other useful information available upon request AMA HQ 815 Fifteenth St NW Washington DC 20005 Please include stamped pre-addressed en velope AMA HQ offices Chennault Air Base Lake Charles will open registration late entry July 30 ba sically 8 am noon 1 pm 5 pm day also noon day Indoor site Late Basic Entry Fee Juniors Sen iors $5 same advance fee includes entry event $40 Open mem bers no event included Event fees late entries events added Nats advance entrants $5 per event age categories--except RC $10 per event Mechanics Fee advance late $5 provides identification field access priv ileges equivalent contestants Nats Housing University dormitories available rate $5 per person per night double occupancy Children oc cupy bed use sleeping bag ex ample will charged NATS MEETINGS regular AMA general membership meeting provided AMA by-laws scheduled held Nats Wednesday August 2 600 pmall members invited Nominating Committee open AMA vice-presidents appointed delegates will meet Wednesday August 2 8 pm beginning meeting signals closing time AMA officer nominations President Vice-Presidents District 2 4 6 8 10 19791980 term See AMA News section issue nomination procedures NEW NATS TROPHY POLICY Awards will provided least three places Nats event Juniors Seniors well Open contestants ad dition awards may available de pending upon number advance entries event Thus 10 advance entries age group event will least five awards addition will award ten advance en tries beyond first ten Example 21 ad vance entries six awards five first 10 plus second 10 JUNIORS AND SENIORS Juniors Seniors will receive awards same manner Open adult age entries means encouraging young sters compete Nats Juniors Seniors year get free entry Nats event upon payment basic fee Thus Open contestants have pay $20 basic fee plus $3 per event $10 per RC event Juniors pay $5 basic fee no event fees unless enter event same true Seniors ex cept basic fee $10 Juniors Seniors should know too no late entry penalty fee Open entrants latter have pay $40 late entry after July 3 whereas fee stays same Juniors Seniors no matter enter over 60 events 1978 Nats can entered Juniors Seniors special policies age groups years Nats can happy experience youngsters find out ask free Nats entry formsend stamped selfaddressed envelope AMA 815 Fifteenth St NW Washington DC 20005 100 Model Aviation O ER 8O8 8 CA 088 SCALE DRA~SXa ER SON RFP TECH 45550 M KENZ t HWYV DA OR q ss
Edition: Model Aviation - 1978/06
Page Numbers: 39, 40, 41, 42, 43, 97, 98, 99, 100
For sport flying mock combat demonstrations 35-powered stunter highly recommended project Plans show alternate fuselagesone true profile other built-up profile Roger Greene THE SUPERMARINE Spitfire beautiful deadly fighter planes World War II long time control line enthusiasts have wanted workable model airplane sport flying mock-combat aerial demonstra tion Now can burn up skies control line modelboth solid built-up profile concepts models fly beautifully look great real pleasure build joy fly pleasure have Spitfire conceived fa Top One nice features built-up profile version does sea such Un pleasantries normal seam between plywood doublers balsa identification let ters scale-like actually initials three club members built Spitfires Above elevator/flap linkage shows clearly photothe surfaces positioned convey impression relative amounts movement Alas tank could hidden June 1978 39 irilIFz-- T LEG .4.I/I6 SHEET LEASINGGIG ii.tii--3/32 SPAREDGE PLANKING ~7GEAR I/B SHEET Tn JL3oo AGNINAM TARING I/R GREET USE ONE SHEET GF I/O BALSA AND CUT PARTS GUT AG SHOWN KBR EGGG y R-I GNLS B-I R-I MARE GNE I/O WITRAST LANSING GEAR BLGCR CATTAT _ II R-I GA RI MAKE FOUR 3/AG WITH LANSING SEAR BLGCK CATGUT R-A REINFGRCENENTMARE TINS 3/32 BALSA K ERWIREMARE TWA 3/3D BALSA -I-i/__ S/B SHEETS/IA SR EMARE TWA 3/3D BALSA SOP TI I7___ MARE TINS 3/SD BALSA ci-QQ-iEUZ MARE TWO 3/32 BALSA QmO2 MARE TWO 3/3D BALSA ARSCALEIN INCHES I0 SUPERMARIA PROFILE VERSION DESIGNED 8 DRAWN BY CAT THIS PART GUT FGB ENGINE ON GSTBGABD SIDE CUT rHIS PART OAT FGR ENGINE GN INBOARD AIDE 7 FOG 35 BEAM S PA C IN S -SALLIG mous British designer R J Mitchell mid-1930s first flew 1936 last Spitfire made 1947 closing out 20300 Spits domi nated skies Britain during World War II designed Spitfires described article fill what saw needboth builder stunt flier past members Sky Lancers Washing ton known SLOW Club have staged mock aerial combat using various airplanes built Midwest World War II kits good-sized wing span 48 inches usually powered Fox 35 engine Messerschmitt Me- 109 P-51 Mustang dominated Roger feels first bump primed engine before briskly flipping propeller 40 Model Aviation mock aerial combat field some club members wanted British model help fight Me-109 article describes two Spitfires can built 50-inch wingspan plan provide first class historically accurate competition flying Me- 109 models solid profile fuselage built-up profile fuselageboth fly complete AMA Precision Aerobatic Pattern Construction Study plans thoroughly before put knife wood Cut patterns individual parts out plan taking care cut spar pattern half Use felt tip pen trace patterns wood However Spitfire built several members club WINGPLAN _ PATTERN GF THE TGP TINT RUGNOELS R-3R-O _____ TE-I FI 1 FO K_k~~ 7/3/ II RI // FULL-SIZE PLANS AVAILABLE. SEE PAGE 104 -__ V ILE-S r-1T41-1-4I/iOPAR____r4 —---4---___ ht \\ fl4/9]____I _ *2r~4-~- SUPER 118 SREET--I IITWO-LINE 40G ToH- CRANK NELLCRA NEI PLATFORM {IIIEIII I/N PLYWOOD OR4 J~ P008805 _______________________________________ 5r.......tJ \LANOINA AEGSIIIWINO TIP 7 RETAINING STRAPGj1 I--WEIGROiL TTEBA OF THENW NOEE TEST SHEETINGIN/,1 iiiiIII 1180 N-SI 8-4-- N-SbR-HR-7 I,WT-5 8-IIIII III SO BLOERS 101IIWT SEE TEUTIIi~iiI _________________NTF IWT-4 HINGE LOCATIONS _______________3/4 SPRING BEARING EP B FLAP OFT LEITSBAIISrI/B PLOWOOS BELLCRANE PLATFORM /V0flHIIBI FR __ __ 3130 BALSA SPAR NOTE CPLICE3/8 OFF-GET IN PLOWOOG SPAN GOOBLERI/B PLOWOOSSECTION THRU I/H SHEETPING SAGGER /8 BALSA SHEET BUILT-OP PROFILE SOOBLER CONVENTIONAL PROFILE SPITFIRE MKJ7 GER S GREENE IK8 U9IE _______________ 3/8 I/O F ENGINE REAMS USELAGE KHBW RK ____1/ 3/IA OSMELI/B PLOWOGOI/U BALSAI/O BULGA __F-S1ENOSSHEETCORE- SOLAGO LANSING GEAR CLIP3/SSRAL3O-F 4 DOUBLERr~1PUANRUG 1/18 PLOWOOS G-4ONEOSUBLER-I.-GLASS CLOTH ANS EPUSO PN/4 I/S SHEETS ROLE 330 BUS C B REWASHERS H /HUS BENOCGLORSITO RUBBER WHEEL II1/4 50 BELICRUNE UU-1HOHELLOWI I/N IA BRASS TUBING4--HPLATFORM AUPPORTS______ UE LUNGING GEAR MOANTSC U RUNUEI/B PLOWUOGWHITECONTROL HORN RELLCRANELANSING GEAR UPLATFORM CLIP PATTERNFIBERGLAUS CLSTH I/IN PLOWOOG TIN GTGCR MGSIC W RE BEAR NO COPPER N RE SOLGER I/4I/OGHEET NSTE TAPER 0/B RURBER_______________________________________________________________________________ WHEEL 0 0345N KZFUGELASE -F-i SM F-B I/N 3/B R4 I/B BALSAGIGE can mount patterns some type sturdy backing method use glue patterns gift box cardboard just about right strength weight Get large box handles department store studying building sequence may seem jumping around bit has designed get work done least amount time work ing assembly glue dry ing another can get Spitfire built field sooner Begin wing spar Use two sheets 3/32 balsa shown plan Youll have make splice middle cut wood accordingly cut 1/16 plywood spar doubler will glued front full-depth spar piece 3/32 balsa rear spar doubler doublers necessary added strength Align pieces over cardboardmounted plans glue clamp drying Fuselage While spar its doublers drying start building fuselage have choice building conven tional profile built-up profile fuselageboth shown plan built-up profile will lighter aft section will look little realistic because wont see joint ply wood doubler canopy will out lined wood instead paint Built-up Profile Fuselage Start making less solid portion fuse lage Use sheet X 36 balsa Cut out parts F-l F-2 F-3 sure follow curves just behind canopy er rib R-l F-3 cut unused part above fuselage After fuselage pieces cut glue F-l F-2 F-3 together over plan using Sigment pins Conventional Profile Glue together two pieces 36 balsa Sigment make 6-wide piece After glue dry cut shape shown will still have cut F-3 glue shown plan Cut hole wing engine engine beams Cut I/SHY plywood fuselage doublers shape space mount engine outboard side hole bottom back plate screw Fox 35 inboard side Apply Sigbond aliphatic re sin clamp let dry overnight Stabilizer Elevator fuselage June 1978 41 ---II/IN PLOWOOG LERS 4ijI Left George Marenka designer/author Roger Greene rightl Georges Spiffire Right Mike Kresan displays bottom Spitfire show contrast between top bottom paint schemes color scheme depicted model authentic drying cut horizontal stabilizer elevator out 5/16 balsa sheet avail able otherwise use 1/4 balsa sheet firm Cut fin rudder out a medium flaps cut a soft Wing Tips wing tip pieces WT-l through WT-6 cut out /8 balsa sheet Glue WT-l WT-2 WT-3 gether make two assemblies Glue WT-4 WT-5 together make four assemblies wing leading edge LE-1 LE-2 LE-3 cut balsa sheet LE-l can /s X piece cut fit Cut two LE-2 LE-3 Glue LE-l LE-2 LE-3 together over plan Cut trailing edge TE-l /8 balsa sheet TE-2 sanded X 36 strip use piece straight possible Wing Ribs Carve ribs out 3/32 balsa sure make right number rib cut-outs cor rect rib Also make holes lead-out wires inboard wing panel Glue / 16 plywood doublers R- 1 see plan energy department consists case beam-mounted Fox 35 Sullivan SS-4 tank rubberbanded Disco flier may try different props good all-around size 10-6 Built-Up Profile After -thick fuse lage dry can lighten cutting out unneeded portions wood Use metal lipstick top /2 piece brass tubing would cookie-cutter cut out useless balsa weight Sharpen end put 3/32 X 4 piece music wire through side solder place wire will act handle help twist tool cut holes nd engine mounts 1 above wing top fuselage forth Leave least /2 sheet Glue /8 plywood doublers a fuselage Sigbond Aliphatic Resin works very well sure cut-outs engine proper sides airplane Let fuselage dry over night Make simple wood clamp glue doublers two pieces ood six 2 6-32 bolts washer end butterfly nut easy tightening Wing Find rib R-lA drill two /8 holes either Veco landing gear clip own making dont have Veco make landing gear clip out piece tin shown plan location clip shown wing section fuselage plan Hold spar slots up place R-l center place R-lA next R-lB Insert two -sq bellcrank supports place other ribs spar order Insert TE-l leading edge sembly LE-l LE-2 LE-3 slots ribs insert both wing tip assemblies WT- 1 WT-2 WT-3 simple wing jig will necessary make sure wing doesnt warp twist glue setting Take piece balsa square 12 long felt-tipped marker draw line along its length right down middle Now cut piece 12 equal pieces 12 1 cubes will used support wing glue Place blocks shown plan under leading trailing edges wing assembly reference line right down middle up guide Pin blocks work bench Align ribs plan Pin leading edge LE trailing edges ribs pin ribs spar center -sq balsa belicrank plat form supports done ensure straight true wing Now glue various wing pieces gether ribs spar wing tips leading edges trailing edges 1/4 squares insert bellcrank plat form glue place aliphatic glue Let wing dry overnight Back fuselage built-up profile fuselage parts F-l F-2 F-3 dry unclamp Next cut /s sides shape Cut top bottom pieces t balsa Note taper shown plan Glue /8 balsa sides top p F-5 part F-4 Lay front part fuselage bench a side down Prop up aft portion /4 let dry glue other side fuselage pin place set aside dry glue bottom p yet Easy Does waiting glue set cut out sand flaps rudder fin elevator stabilizer E-2 trailing edge wing shape shown sitting arm should feel though have just pitched nine innings word cau tion though dont go too fast take easy let beautiful Spitfire lines develop slowly Wing Again wing structure set aside dry has indeed dried glue TE-2 place behind TE-l snug fit required between WT-ls Next glue eading edge wont bend easily around wing tip wet Continued page 97 Heres clever trick add realismif making built-up profile Cut away sur face laminations around canopy area note smooth joint between doubler side skin big attraction Spitfire its distinctive planform Its fine all-around performance came great engine ultra-clean streamlining unusually large wing area WW-Il fighter Two trio Spiffires ready go against Me109s flown other SLOW club members Loading way Mike Kresans ship Georoe Marenkas just behind poses wing-mans Coloring olive tan camouflage light blue undersurfaces about contests new products will publish some column like name print write us Fred RandellMA Enterprises 659 Colony Rd Box 7305 Canal Fulton OH 44614 216/854-4233is producing ink-sack pen bladders again Price $1800 per hundred plus postage Nick ArpinoDarp Speed Pans 301 Woodacres Rd East Patchogue NY 11772 516/286-8144is adding 21long Formula-40 pan already fine line A-FAI 15 long B-C 18 long D 20 long Brassels Speed Equipment 1215 N Concord Rd Chattanooga TN 37421 615/892-5995Harters speed pans mono-line wire handles Bill Pardue described recent Golden Trial Model Masters Fall Contest Winston-Salem NC October 22 seems Quay Barbers Lil Shaver profile proto Put Mike Langlois record/ratio speed event Actually profile model flown mono-line enclosed proto class new Junior record interesting note Quay Bar zers /2A profile mono-line outran both Bagwells Langlois pure speed models 3-port mini-pipe Cox engines Barber running nearly stock TD final results record/ratio speed event looked like GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 6 8 & 10 PITCH20800 221000 241300 AT YOUR DEALER USE TO PROPEL AIR ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE 1-IELICAL 2 Blade Tractor 5-3each 5-45/-3 6-3 7-47-6 8-48-6 9-49-6 9-810-4 11-411-6 12-412-5 5%-4 6-4 7-8 8-8 9-7 10-6 11-8 12-6 304 354 SOd 654 854 $1 $150 CREATE THRUST AND BE PROPELLED BY AIR DISCRETION OF 2 Blade Pusher 5A-4 6-36-4 35d 8-685d 9-610-6$1 BLADE 3 BladeTractorx 5-3 6-36-4SOd 3 BladePusher 6-3SodMetallic Aluminum Color Made polyester boll color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Jr Proto Open Jet Speed Jr Profile Proto Jr 1/2ASpeed Sr Y2A Speed Op A Speed slightly raised Bee A-insert-type same type plug Nick used recently set new Open speed record 121 mph recent Day ton Ohio meet Al Stegins reported have run 117-119 #2 engine open face exhaust Gb Bee plug really honking proto #1 engine until ground jumped up grab should noted three official flights Langlois jet lap glide included clocking 6-op non-pressure tank Mike getting 9 laps under power launch getting pylon after ship still ground some flights 211 210 50% propylene oxide 50% nitro-methane Nit rotane about ten flights flown same set valves stub backup valves same diameter retainer Retainer turned back 050 stock 50/50 fuel fed pressure tank coming through metering jet drilled #42 drill size Bill also advises careful what9752 mph 21118mph 9406 mph 10634 mph 10461 mph 10621 mph 1043 1%9406 Backup 10269%21020 Backup 10146% 984 1% 9418% 88 00% ever tubing using watch out pin holes Bill Pardue indicated doing series jet articles Da Gaz have read some Bills jet scoop Gaz Encourage jet speed fliers sub scribe Da Gaz Its $500 per year Doc Jackson 523 Meadowbrook Circle St Davids PA 19087 Between Doc Bill folks should getting inter ested speed flying again I-lope indicator speed upswing Received call T Wright Jacksonville Florida about King Orange meet December 30 31 1977 January 1 1978 weather fair rained little enough really stop things Participation ex cellent Free Flight Stunt Combat Goodyear Rat Entries Speed Carrier low AT set new D speed record under 78-79 rules 197 mph mini-pipe Also Bob Day AT joined forces set Profile Proto record 92 mph Would like find out Mike Hoyt still handling jet pipes heads Have able contact him nt forget United States Control Line Model Airplane Championships Winston-Salem NC June 17-18 body thats anybody gonna Contact Bill Pardue 1201 Surry Drive Greensboro NC 27408 next column will cover tach props what RPM ranges look Gene Hem pel Tom Upton 301 N Yale Dr Garland TX 75042 Spitfire/Greene continued page 43 bend shape -sq lead ing edges dry glue place Glue WT-6 top two wing tip semblies WT-4 WT-5 wing tip shown Let dry Hardware Hookup Connect lead-out wires bellcrank slip wires through ribs Use 3/32 aluminum tubing inboard wing tip protect wing tip assembly Glue tubing place epoxy Bend 3/32 pushrod wire shown Sol der bellcrank using washer top bottom install bellcrank Sol der nut bellcrank make certain wont come apart flight Landing Gear Cut piece 1/8 ID brass tubing shown wing section fuselage plan landing gear slip June 1978 97 fio7rnd&i PROPELLERS PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER RIGHT HAND ROTATION 3/B BORE THE PURCHASER Pusher 10-6$150 G RUSH ST JOHN INDIANA 46373 1st Quay Barber 2nd Mike Langlois 3rd Quay Barber 4th Quay Barber 5th Phil Bagwell 6th Mike Langlois bypass flute very using new Gb Gb plug WERE EXPANDING CELEBRATING MODEL BUILDER substantially increasing its RIG coverage new monthly features leading modeling authorities RIG construction articles emphasis how-to. R/C oriented Because free flight control line modelers consider MODEL BUILDER best magazine will contin ue present amount coverage areas including regular Peanut plan feature means MODEL BUILDER must enlarge physically pages doing CELEBRATE WITH US SCRIBE NOW AND GET 3 PEE ISSUES Fill out send coupon check Money Order year subscription $1500 will re ceive 3 additional FREE ISSUES total savings $750 Mall MODEL BUILDER Magazine 621 West 19th St Costa Mesa Calif 92627 [v32][b-1-10-1-10]] REGULAR SUBSCRIPTION IS $1500 SUBSCRIBE NOW AND Address __________________________________________ SAVE $750! RECEIVE 15 ISSUESATONE-THIRDOFF! City __________________State ________ Zip NOTE This offer new subscribers NOT subject additional AMA membership discount [v32][b-1-10-1-10]] tubing held place gear clip made earlier pieces should bolted rib R-1A using two 4/40 screws Drill /i hole s/s edge slot landing gear slot shown Position pin glue epoxy landing gear block Solder gear clip s tubing wont come out flight Wing Sheeting Now come enor mously delicate critical aspect cover ing wing Cover 1/16 sheet balsa Use Sigment glue leading edge sheeting top spar sure splice joining sheeting material -wide center wing rib glue dry remove pins hold /8 leading edge 1 blocks wet leading edge sheeting water bend down over ribs tack-pin /4-sq leading edge sheeting dry has acquired its basic set remove pins Raise forward portion sheeting carefully apply Sigment top ribs -sq leading edge sheeting will fasten sheeting place pins set aside glue dry Back Fuselage fuselage should dry now sand shape shown plan sanding-arm should used now WingOne Time wing has dried remove pins including hold 1 blocks Turn wing over glue bottom two tip semblies WT-4 WT-5 pin place let em dry Glue bottom sheeting same way did top sheeting Cut places sheeting landing gear blocks After glue underside wing dry mark trailing edge TE-2 pencil center rib R-l go Mark both sides conventional fuselage t-up profile fuselage Now install rib cap strips put center planking indicated wing tip weight will added later Engine Installation Check Test mount engine using four 4-40 bolts 1 long four T nuts ensure zero-degree thrust alignment remove glow plug cut 12 piece 1/8 wire place tween center cooling fins head wire will give line eyeball engine zero degree thrust Mark drill holes check make cer tain fit Tail Assembly Next horizontal stabi lizer elevator Clean off sanding dust set elevator over plans Mark edge elevator horn should go Drill straight hole ele vator receive control horn Cut channel horn will fit elevators Test make sure fits well Now mark hinge locations use Exacto #11 blade After making several cuts pull out balsa chips insert hinge check fit Put some Vasoline hinge pivotsbut pivots Apply Sigpoxy part goes balsa Vasoline will allow epoxy stick pivot point Now epoxy control horn elevator align horizontal stabilizer elevator over plan sure pin will dry straight Flaps Place flaps plan po sition control horn mark flaps indicate holes should receive horn Drill holes set horn epoxy firmly place Lay assembly work bench pin keep straight Let dry thoroughly Wing Again Sand wing smooth #220 sandpaper rounding out leading edges tips rest butt joints should disappear touch Dont sand marks trailing edge youll need later reference Check flaps sure control horn dry hinges glued same ele vators Slip flaps wing slot fuselage slip wing fuselage Wing Fuselage Alignment Align wing fuselage placing triangle leading edge wing against 98 Model Aviation Na fuselagethe wing straight Make sure trailing edge marks wing still seen both sides fuselage Also triangle make sure fuselage 900 airfoil opposite canopy Epoxy let dry overnight Drill insert two 3/16 dowls shown Glue epoxy Sigbond Now put bottom fuselage cap F-6 Glue place Sigment Glue flaps hinges trailing edge TE-2 wing same way handled stabilizer elevator Tail Alignment Horizontal stabilizer elevator next glued fuse lage Mark fuselage width cen ter leading edge stabilizer insert fuselage using marks make certain exactly centered Glue Sigbond Use ngular piece glued under side stabilizer extra strength horizontal stabili zer should parallel wing Stand couple feet away eyeball front align top wing bottom stabilizer sure horizontal stabilizer hinge line exactly parallel wing hinge line Measure distance hinge line tip stabilizer trail ing edge wing hinge line both sides distances must equal airplane wont track properly fly proper horizontal altitude After surfaces straight true let whole thing dry thoroughly hour check make sure sur faces still aligned properly give plenty time set fin rudder glued next Use rudder offset shown plan Landing Gear Bend landing gear shape shown plan making sure make left right sure also match sweep-forward shown plan fasten wheels slip wheel over axle washer take couple turns copper wire around axle solder wire washer axle Place main landing gear mounts wing using Sig landing gear straps secure place Bend epoxy tail wheel strut shown Secure wheel same way main gear Connecting Flaps Elevator easy way connect flaps elevator two pieces 3/32 music wire long enough overlap other about 1 shown Wrap copper wire pushrods bent installed keepers flaps elevators should set zero degrees Solder pushrod Put pushrod bearing about halfway between elevator flaps see plan Fuel Tank Mount fuel tank fuselage using music wire rubberbands Use Sullivan 4 oz tank see pic ture Wing Tip Weight engine inCHARACTERISTICS Designed withstand rugged treatment gas powered models must endure TOUGH LIGHTWEIGHT MAR-RESISTANT FINISH FUEL PROOFNOT AFFECTED BY WATER CHEMICALS OR ALCOHOL AND WITHSTANDS RACING FUELS UP TO 50% NITRO METHANE ONE-COMPONENT SYSTEMREQUIRES NO CATALYST LOW ODOR QUICK DRYINGDUST FREE IN 45 MINUTES DRIES HARD IN 4 HOURS WILL NOT WRINKLE OR LIFT WHEN RECOATED FREE OF LEAD HAZARDSNON-TOXIC WHEN DRY SPRAY CONTAINS NO FLUOROCARBON PROPELLENTS BRUSHES EASILY WITHOUT BRUSH MARKS APPLICATIONS Applies paintable surface Since Formula-U does shrink silkapan silk products recommended Aero-Gloss Flat Gloss Clear applied first topcoated Formula-U Brushing Formula-U can thinned spray gun application Colors can mixed Use Formula-U Thinner thinning clean-up SIZES oz Jar Can 12 oz Spray Can Leadouts If havent done already some people like get ahead plan wrap leadouts see plan Finishing After test-fitting fuel tank engineand wing tip weight installedfine-sand entire airplane babys bottom smoothness Paint two coats clear dope both coats dry hard sand whole airplane again fine sand paper lightly clear dope over whole model will keep wood grain rising under covering Cut Silkspan shape over wing wet water using mist sprayer Pull Silkspan around leading edges remove wrinkles Cement Silkspan wing applying clear dope center planking leading edges trailing edges wing tips continually pulling entire wing continually pulling keep wrinkles Silkspan dry paint entire wing six 6 coats clear dope sanding very gently after even-numbered coat Use two three coats sanding sealer over entire airplane fill wood grain June 1978 99 COLORS Brushing Spray choice Hi-Gloss Metallic Flat 0Perfectly match 12 SolarIum colors stalled turn airplane over its rudder nose inboard wing should touch table Apply enough weight allow outboard tip flop down work bench inboard tip will up enough weight Lead solder wrapped light string makes good weight epoxy wood KITS 0 PtANS 0 ACCESSORIES BABY ACEP-NUT KITS NYLON BEARINGS BROWN CO-2 ENGINES _____________________REAL JAPANESE TISSUE-PROPS 57 SPAN COMPLETE CATALOG 50t KIT $4 25 MANY HAED TO FIND ITEMS Pt*-hfywes W BOX 2498LA MESA CALIF 92041 CATALOG 25c DAVIS22 D-IK PLAN CSD-7BY Chas E Steinchak MODERNISTIC MODELS PO B0X6974ALBUQNM87107 sanding lightly after coat Markings The roundels wing placed shown plan top ones shown inboard side bottom ones shown outboard side Heres good easy way make turn out right using compass draw proper circles contact paper cut out Starting center paint area roundel winga little actual area will finished airplane cover area contact paper mask center circle Seal edges clear paint Paint next color again little larger actual roundel will cover proper mask seal edges clear paint Continue until roundel complete Leave paper until rest Spitfire painted peel off contact paper presto youve got professional job may seem faster same time just make sure put right color right circles Pain canopy light blue Add AMA numbers initials can go fuselage Paint bottom airplane light blue paint top olive tan cam ouflage colors Conclusion Both Spitfires needed back plate engine filled sol der trimmed fly May June July 1976 issues Model Aviation Chris Lella tells lot airplanes actions problems articles bal ancing roll yaw pitch control line stunt ships quite good should read control line flyer models described article both capable doing complete AMA pattern problems either have worthy addition stable aerobatic mock-combat champions 52nd Nationals continued page 53 Charles Nats has possible adds up lot enjoyment economical conditions family oriented Nats Further food thought has become harder harder put Nats due cost complexity factors much has increasing talk re cent years about discontinuing Nats changing significantly make manageable might last opportunity enjoy Nats classic tradition Lake Charles offers best combination factors make trip worthwhile ever inclined go Nats years recommended offer facilities view point Lake Charles known site country much ideally suited Nats Thus stage set once again AMA put worlds biggest model meet invited FF Duration/Meuser continued page 55 b tickle funnybones applies getting people tell about find lost models Nats Entry&Meeting Information Advance Entry mail savings big Basic Fee refundable dont show Nats best bet advance entry postmark deadline July 3 Late entries will also permitted contest site during Nats period pri mary requisite events late en tries accomplished before various stages preflight processing events con cerned accordance Nats entry form schedule particularly concerning Scale model turn-in transmitter processing Entry Form full schedule event flying plus Scale turn-in deadlines RC transmitter processing times printed Offical Nats Entry Form Instructions Anyone thinks might enter should obtain 1978 Nats entry form also includes much other useful information available upon request AMA HQ 815 Fifteenth St NW Washington DC 20005 Please include stamped pre-addressed en velope AMA HQ offices Chennault Air Base Lake Charles will open registration late entry July 30 ba sically 8 am noon 1 pm 5 pm day also noon day Indoor site Late Basic Entry Fee Juniors Sen iors $5 same advance fee includes entry event $40 Open mem bers no event included Event fees late entries events added Nats advance entrants $5 per event age categories--except RC $10 per event Mechanics Fee advance late $5 provides identification field access priv ileges equivalent contestants Nats Housing University dormitories available rate $5 per person per night double occupancy Children oc cupy bed use sleeping bag ex ample will charged NATS MEETINGS regular AMA general membership meeting provided AMA by-laws scheduled held Nats Wednesday August 2 600 pmall members invited Nominating Committee open AMA vice-presidents appointed delegates will meet Wednesday August 2 8 pm beginning meeting signals closing time AMA officer nominations President Vice-Presidents District 2 4 6 8 10 19791980 term See AMA News section issue nomination procedures NEW NATS TROPHY POLICY Awards will provided least three places Nats event Juniors Seniors well Open contestants ad dition awards may available de pending upon number advance entries event Thus 10 advance entries age group event will least five awards addition will award ten advance en tries beyond first ten Example 21 ad vance entries six awards five first 10 plus second 10 JUNIORS AND SENIORS Juniors Seniors will receive awards same manner Open adult age entries means encouraging young sters compete Nats Juniors Seniors year get free entry Nats event upon payment basic fee Thus Open contestants have pay $20 basic fee plus $3 per event $10 per RC event Juniors pay $5 basic fee no event fees unless enter event same true Seniors ex cept basic fee $10 Juniors Seniors should know too no late entry penalty fee Open entrants latter have pay $40 late entry after July 3 whereas fee stays same Juniors Seniors no matter enter over 60 events 1978 Nats can entered Juniors Seniors special policies age groups years Nats can happy experience youngsters find out ask free Nats entry formsend stamped selfaddressed envelope AMA 815 Fifteenth St NW Washington DC 20005 100 Model Aviation O ER 8O8 8 CA 088 SCALE DRA~SXa ER SON RFP TECH 45550 M KENZ t HWYV DA OR q ss
Edition: Model Aviation - 1978/06
Page Numbers: 39, 40, 41, 42, 43, 97, 98, 99, 100
For sport flying mock combat demonstrations 35-powered stunter highly recommended project Plans show alternate fuselagesone true profile other built-up profile Roger Greene THE SUPERMARINE Spitfire beautiful deadly fighter planes World War II long time control line enthusiasts have wanted workable model airplane sport flying mock-combat aerial demonstra tion Now can burn up skies control line modelboth solid built-up profile concepts models fly beautifully look great real pleasure build joy fly pleasure have Spitfire conceived fa Top One nice features built-up profile version does sea such Un pleasantries normal seam between plywood doublers balsa identification let ters scale-like actually initials three club members built Spitfires Above elevator/flap linkage shows clearly photothe surfaces positioned convey impression relative amounts movement Alas tank could hidden June 1978 39 irilIFz-- T LEG .4.I/I6 SHEET LEASINGGIG ii.tii--3/32 SPAREDGE PLANKING ~7GEAR I/B SHEET Tn JL3oo AGNINAM TARING I/R GREET USE ONE SHEET GF I/O BALSA AND CUT PARTS GUT AG SHOWN KBR EGGG y R-I GNLS B-I R-I MARE GNE I/O WITRAST LANSING GEAR BLGCR CATTAT _ II R-I GA RI MAKE FOUR 3/AG WITH LANSING SEAR BLGCK CATGUT R-A REINFGRCENENTMARE TINS 3/32 BALSA K ERWIREMARE TWA 3/3D BALSA -I-i/__ S/B SHEETS/IA SR EMARE TWA 3/3D BALSA SOP TI I7___ MARE TINS 3/SD BALSA ci-QQ-iEUZ MARE TWO 3/32 BALSA QmO2 MARE TWO 3/3D BALSA ARSCALEIN INCHES I0 SUPERMARIA PROFILE VERSION DESIGNED 8 DRAWN BY CAT THIS PART GUT FGB ENGINE ON GSTBGABD SIDE CUT rHIS PART OAT FGR ENGINE GN INBOARD AIDE 7 FOG 35 BEAM S PA C IN S -SALLIG mous British designer R J Mitchell mid-1930s first flew 1936 last Spitfire made 1947 closing out 20300 Spits domi nated skies Britain during World War II designed Spitfires described article fill what saw needboth builder stunt flier past members Sky Lancers Washing ton known SLOW Club have staged mock aerial combat using various airplanes built Midwest World War II kits good-sized wing span 48 inches usually powered Fox 35 engine Messerschmitt Me- 109 P-51 Mustang dominated Roger feels first bump primed engine before briskly flipping propeller 40 Model Aviation mock aerial combat field some club members wanted British model help fight Me-109 article describes two Spitfires can built 50-inch wingspan plan provide first class historically accurate competition flying Me- 109 models solid profile fuselage built-up profile fuselageboth fly complete AMA Precision Aerobatic Pattern Construction Study plans thoroughly before put knife wood Cut patterns individual parts out plan taking care cut spar pattern half Use felt tip pen trace patterns wood However Spitfire built several members club WINGPLAN _ PATTERN GF THE TGP TINT RUGNOELS R-3R-O _____ TE-I FI 1 FO K_k~~ 7/3/ II RI // FULL-SIZE PLANS AVAILABLE. SEE PAGE 104 -__ V ILE-S r-1T41-1-4I/iOPAR____r4 —---4---___ ht \\ fl4/9]____I _ *2r~4-~- SUPER 118 SREET--I IITWO-LINE 40G ToH- CRANK NELLCRA NEI PLATFORM {IIIEIII I/N PLYWOOD OR4 J~ P008805 _______________________________________ 5r.......tJ \LANOINA AEGSIIIWINO TIP 7 RETAINING STRAPGj1 I--WEIGROiL TTEBA OF THENW NOEE TEST SHEETINGIN/,1 iiiiIII 1180 N-SI 8-4-- N-SbR-HR-7 I,WT-5 8-IIIII III SO BLOERS 101IIWT SEE TEUTIIi~iiI _________________NTF IWT-4 HINGE LOCATIONS _______________3/4 SPRING BEARING EP B FLAP OFT LEITSBAIISrI/B PLOWOOS BELLCRANE PLATFORM /V0flHIIBI FR __ __ 3130 BALSA SPAR NOTE CPLICE3/8 OFF-GET IN PLOWOOG SPAN GOOBLERI/B PLOWOOSSECTION THRU I/H SHEETPING SAGGER /8 BALSA SHEET BUILT-OP PROFILE SOOBLER CONVENTIONAL PROFILE SPITFIRE MKJ7 GER S GREENE IK8 U9IE _______________ 3/8 I/O F ENGINE REAMS USELAGE KHBW RK ____1/ 3/IA OSMELI/B PLOWOGOI/U BALSAI/O BULGA __F-S1ENOSSHEETCORE- SOLAGO LANSING GEAR CLIP3/SSRAL3O-F 4 DOUBLERr~1PUANRUG 1/18 PLOWOOS G-4ONEOSUBLER-I.-GLASS CLOTH ANS EPUSO PN/4 I/S SHEETS ROLE 330 BUS C B REWASHERS H /HUS BENOCGLORSITO RUBBER WHEEL II1/4 50 BELICRUNE UU-1HOHELLOWI I/N IA BRASS TUBING4--HPLATFORM AUPPORTS______ UE LUNGING GEAR MOANTSC U RUNUEI/B PLOWUOGWHITECONTROL HORN RELLCRANELANSING GEAR UPLATFORM CLIP PATTERNFIBERGLAUS CLSTH I/IN PLOWOOG TIN GTGCR MGSIC W RE BEAR NO COPPER N RE SOLGER I/4I/OGHEET NSTE TAPER 0/B RURBER_______________________________________________________________________________ WHEEL 0 0345N KZFUGELASE -F-i SM F-B I/N 3/B R4 I/B BALSAGIGE can mount patterns some type sturdy backing method use glue patterns gift box cardboard just about right strength weight Get large box handles department store studying building sequence may seem jumping around bit has designed get work done least amount time work ing assembly glue dry ing another can get Spitfire built field sooner Begin wing spar Use two sheets 3/32 balsa shown plan Youll have make splice middle cut wood accordingly cut 1/16 plywood spar doubler will glued front full-depth spar piece 3/32 balsa rear spar doubler doublers necessary added strength Align pieces over cardboardmounted plans glue clamp drying Fuselage While spar its doublers drying start building fuselage have choice building conven tional profile built-up profile fuselageboth shown plan built-up profile will lighter aft section will look little realistic because wont see joint ply wood doubler canopy will out lined wood instead paint Built-up Profile Fuselage Start making less solid portion fuse lage Use sheet X 36 balsa Cut out parts F-l F-2 F-3 sure follow curves just behind canopy er rib R-l F-3 cut unused part above fuselage After fuselage pieces cut glue F-l F-2 F-3 together over plan using Sigment pins Conventional Profile Glue together two pieces 36 balsa Sigment make 6-wide piece After glue dry cut shape shown will still have cut F-3 glue shown plan Cut hole wing engine engine beams Cut I/SHY plywood fuselage doublers shape space mount engine outboard side hole bottom back plate screw Fox 35 inboard side Apply Sigbond aliphatic re sin clamp let dry overnight Stabilizer Elevator fuselage June 1978 41 ---II/IN PLOWOOG LERS 4ijI Left George Marenka designer/author Roger Greene rightl Georges Spiffire Right Mike Kresan displays bottom Spitfire show contrast between top bottom paint schemes color scheme depicted model authentic drying cut horizontal stabilizer elevator out 5/16 balsa sheet avail able otherwise use 1/4 balsa sheet firm Cut fin rudder out a medium flaps cut a soft Wing Tips wing tip pieces WT-l through WT-6 cut out /8 balsa sheet Glue WT-l WT-2 WT-3 gether make two assemblies Glue WT-4 WT-5 together make four assemblies wing leading edge LE-1 LE-2 LE-3 cut balsa sheet LE-l can /s X piece cut fit Cut two LE-2 LE-3 Glue LE-l LE-2 LE-3 together over plan Cut trailing edge TE-l /8 balsa sheet TE-2 sanded X 36 strip use piece straight possible Wing Ribs Carve ribs out 3/32 balsa sure make right number rib cut-outs cor rect rib Also make holes lead-out wires inboard wing panel Glue / 16 plywood doublers R- 1 see plan energy department consists case beam-mounted Fox 35 Sullivan SS-4 tank rubberbanded Disco flier may try different props good all-around size 10-6 Built-Up Profile After -thick fuse lage dry can lighten cutting out unneeded portions wood Use metal lipstick top /2 piece brass tubing would cookie-cutter cut out useless balsa weight Sharpen end put 3/32 X 4 piece music wire through side solder place wire will act handle help twist tool cut holes nd engine mounts 1 above wing top fuselage forth Leave least /2 sheet Glue /8 plywood doublers a fuselage Sigbond Aliphatic Resin works very well sure cut-outs engine proper sides airplane Let fuselage dry over night Make simple wood clamp glue doublers two pieces ood six 2 6-32 bolts washer end butterfly nut easy tightening Wing Find rib R-lA drill two /8 holes either Veco landing gear clip own making dont have Veco make landing gear clip out piece tin shown plan location clip shown wing section fuselage plan Hold spar slots up place R-l center place R-lA next R-lB Insert two -sq bellcrank supports place other ribs spar order Insert TE-l leading edge sembly LE-l LE-2 LE-3 slots ribs insert both wing tip assemblies WT- 1 WT-2 WT-3 simple wing jig will necessary make sure wing doesnt warp twist glue setting Take piece balsa square 12 long felt-tipped marker draw line along its length right down middle Now cut piece 12 equal pieces 12 1 cubes will used support wing glue Place blocks shown plan under leading trailing edges wing assembly reference line right down middle up guide Pin blocks work bench Align ribs plan Pin leading edge LE trailing edges ribs pin ribs spar center -sq balsa belicrank plat form supports done ensure straight true wing Now glue various wing pieces gether ribs spar wing tips leading edges trailing edges 1/4 squares insert bellcrank plat form glue place aliphatic glue Let wing dry overnight Back fuselage built-up profile fuselage parts F-l F-2 F-3 dry unclamp Next cut /s sides shape Cut top bottom pieces t balsa Note taper shown plan Glue /8 balsa sides top p F-5 part F-4 Lay front part fuselage bench a side down Prop up aft portion /4 let dry glue other side fuselage pin place set aside dry glue bottom p yet Easy Does waiting glue set cut out sand flaps rudder fin elevator stabilizer E-2 trailing edge wing shape shown sitting arm should feel though have just pitched nine innings word cau tion though dont go too fast take easy let beautiful Spitfire lines develop slowly Wing Again wing structure set aside dry has indeed dried glue TE-2 place behind TE-l snug fit required between WT-ls Next glue eading edge wont bend easily around wing tip wet Continued page 97 Heres clever trick add realismif making built-up profile Cut away sur face laminations around canopy area note smooth joint between doubler side skin big attraction Spitfire its distinctive planform Its fine all-around performance came great engine ultra-clean streamlining unusually large wing area WW-Il fighter Two trio Spiffires ready go against Me109s flown other SLOW club members Loading way Mike Kresans ship Georoe Marenkas just behind poses wing-mans Coloring olive tan camouflage light blue undersurfaces about contests new products will publish some column like name print write us Fred RandellMA Enterprises 659 Colony Rd Box 7305 Canal Fulton OH 44614 216/854-4233is producing ink-sack pen bladders again Price $1800 per hundred plus postage Nick ArpinoDarp Speed Pans 301 Woodacres Rd East Patchogue NY 11772 516/286-8144is adding 21long Formula-40 pan already fine line A-FAI 15 long B-C 18 long D 20 long Brassels Speed Equipment 1215 N Concord Rd Chattanooga TN 37421 615/892-5995Harters speed pans mono-line wire handles Bill Pardue described recent Golden Trial Model Masters Fall Contest Winston-Salem NC October 22 seems Quay Barbers Lil Shaver profile proto Put Mike Langlois record/ratio speed event Actually profile model flown mono-line enclosed proto class new Junior record interesting note Quay Bar zers /2A profile mono-line outran both Bagwells Langlois pure speed models 3-port mini-pipe Cox engines Barber running nearly stock TD final results record/ratio speed event looked like GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 6 8 & 10 PITCH20800 221000 241300 AT YOUR DEALER USE TO PROPEL AIR ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE 1-IELICAL 2 Blade Tractor 5-3each 5-45/-3 6-3 7-47-6 8-48-6 9-49-6 9-810-4 11-411-6 12-412-5 5%-4 6-4 7-8 8-8 9-7 10-6 11-8 12-6 304 354 SOd 654 854 $1 $150 CREATE THRUST AND BE PROPELLED BY AIR DISCRETION OF 2 Blade Pusher 5A-4 6-36-4 35d 8-685d 9-610-6$1 BLADE 3 BladeTractorx 5-3 6-36-4SOd 3 BladePusher 6-3SodMetallic Aluminum Color Made polyester boll color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Jr Proto Open Jet Speed Jr Profile Proto Jr 1/2ASpeed Sr Y2A Speed Op A Speed slightly raised Bee A-insert-type same type plug Nick used recently set new Open speed record 121 mph recent Day ton Ohio meet Al Stegins reported have run 117-119 #2 engine open face exhaust Gb Bee plug really honking proto #1 engine until ground jumped up grab should noted three official flights Langlois jet lap glide included clocking 6-op non-pressure tank Mike getting 9 laps under power launch getting pylon after ship still ground some flights 211 210 50% propylene oxide 50% nitro-methane Nit rotane about ten flights flown same set valves stub backup valves same diameter retainer Retainer turned back 050 stock 50/50 fuel fed pressure tank coming through metering jet drilled #42 drill size Bill also advises careful what9752 mph 21118mph 9406 mph 10634 mph 10461 mph 10621 mph 1043 1%9406 Backup 10269%21020 Backup 10146% 984 1% 9418% 88 00% ever tubing using watch out pin holes Bill Pardue indicated doing series jet articles Da Gaz have read some Bills jet scoop Gaz Encourage jet speed fliers sub scribe Da Gaz Its $500 per year Doc Jackson 523 Meadowbrook Circle St Davids PA 19087 Between Doc Bill folks should getting inter ested speed flying again I-lope indicator speed upswing Received call T Wright Jacksonville Florida about King Orange meet December 30 31 1977 January 1 1978 weather fair rained little enough really stop things Participation ex cellent Free Flight Stunt Combat Goodyear Rat Entries Speed Carrier low AT set new D speed record under 78-79 rules 197 mph mini-pipe Also Bob Day AT joined forces set Profile Proto record 92 mph Would like find out Mike Hoyt still handling jet pipes heads Have able contact him nt forget United States Control Line Model Airplane Championships Winston-Salem NC June 17-18 body thats anybody gonna Contact Bill Pardue 1201 Surry Drive Greensboro NC 27408 next column will cover tach props what RPM ranges look Gene Hem pel Tom Upton 301 N Yale Dr Garland TX 75042 Spitfire/Greene continued page 43 bend shape -sq lead ing edges dry glue place Glue WT-6 top two wing tip semblies WT-4 WT-5 wing tip shown Let dry Hardware Hookup Connect lead-out wires bellcrank slip wires through ribs Use 3/32 aluminum tubing inboard wing tip protect wing tip assembly Glue tubing place epoxy Bend 3/32 pushrod wire shown Sol der bellcrank using washer top bottom install bellcrank Sol der nut bellcrank make certain wont come apart flight Landing Gear Cut piece 1/8 ID brass tubing shown wing section fuselage plan landing gear slip June 1978 97 fio7rnd&i PROPELLERS PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER RIGHT HAND ROTATION 3/B BORE THE PURCHASER Pusher 10-6$150 G RUSH ST JOHN INDIANA 46373 1st Quay Barber 2nd Mike Langlois 3rd Quay Barber 4th Quay Barber 5th Phil Bagwell 6th Mike Langlois bypass flute very using new Gb Gb plug WERE EXPANDING CELEBRATING MODEL BUILDER substantially increasing its RIG coverage new monthly features leading modeling authorities RIG construction articles emphasis how-to. R/C oriented Because free flight control line modelers consider MODEL BUILDER best magazine will contin ue present amount coverage areas including regular Peanut plan feature means MODEL BUILDER must enlarge physically pages doing CELEBRATE WITH US SCRIBE NOW AND GET 3 PEE ISSUES Fill out send coupon check Money Order year subscription $1500 will re ceive 3 additional FREE ISSUES total savings $750 Mall MODEL BUILDER Magazine 621 West 19th St Costa Mesa Calif 92627 [v32][b-1-10-1-10]] REGULAR SUBSCRIPTION IS $1500 SUBSCRIBE NOW AND Address __________________________________________ SAVE $750! RECEIVE 15 ISSUESATONE-THIRDOFF! City __________________State ________ Zip NOTE This offer new subscribers NOT subject additional AMA membership discount [v32][b-1-10-1-10]] tubing held place gear clip made earlier pieces should bolted rib R-1A using two 4/40 screws Drill /i hole s/s edge slot landing gear slot shown Position pin glue epoxy landing gear block Solder gear clip s tubing wont come out flight Wing Sheeting Now come enor mously delicate critical aspect cover ing wing Cover 1/16 sheet balsa Use Sigment glue leading edge sheeting top spar sure splice joining sheeting material -wide center wing rib glue dry remove pins hold /8 leading edge 1 blocks wet leading edge sheeting water bend down over ribs tack-pin /4-sq leading edge sheeting dry has acquired its basic set remove pins Raise forward portion sheeting carefully apply Sigment top ribs -sq leading edge sheeting will fasten sheeting place pins set aside glue dry Back Fuselage fuselage should dry now sand shape shown plan sanding-arm should used now WingOne Time wing has dried remove pins including hold 1 blocks Turn wing over glue bottom two tip semblies WT-4 WT-5 pin place let em dry Glue bottom sheeting same way did top sheeting Cut places sheeting landing gear blocks After glue underside wing dry mark trailing edge TE-2 pencil center rib R-l go Mark both sides conventional fuselage t-up profile fuselage Now install rib cap strips put center planking indicated wing tip weight will added later Engine Installation Check Test mount engine using four 4-40 bolts 1 long four T nuts ensure zero-degree thrust alignment remove glow plug cut 12 piece 1/8 wire place tween center cooling fins head wire will give line eyeball engine zero degree thrust Mark drill holes check make cer tain fit Tail Assembly Next horizontal stabi lizer elevator Clean off sanding dust set elevator over plans Mark edge elevator horn should go Drill straight hole ele vator receive control horn Cut channel horn will fit elevators Test make sure fits well Now mark hinge locations use Exacto #11 blade After making several cuts pull out balsa chips insert hinge check fit Put some Vasoline hinge pivotsbut pivots Apply Sigpoxy part goes balsa Vasoline will allow epoxy stick pivot point Now epoxy control horn elevator align horizontal stabilizer elevator over plan sure pin will dry straight Flaps Place flaps plan po sition control horn mark flaps indicate holes should receive horn Drill holes set horn epoxy firmly place Lay assembly work bench pin keep straight Let dry thoroughly Wing Again Sand wing smooth #220 sandpaper rounding out leading edges tips rest butt joints should disappear touch Dont sand marks trailing edge youll need later reference Check flaps sure control horn dry hinges glued same ele vators Slip flaps wing slot fuselage slip wing fuselage Wing Fuselage Alignment Align wing fuselage placing triangle leading edge wing against 98 Model Aviation Na fuselagethe wing straight Make sure trailing edge marks wing still seen both sides fuselage Also triangle make sure fuselage 900 airfoil opposite canopy Epoxy let dry overnight Drill insert two 3/16 dowls shown Glue epoxy Sigbond Now put bottom fuselage cap F-6 Glue place Sigment Glue flaps hinges trailing edge TE-2 wing same way handled stabilizer elevator Tail Alignment Horizontal stabilizer elevator next glued fuse lage Mark fuselage width cen ter leading edge stabilizer insert fuselage using marks make certain exactly centered Glue Sigbond Use ngular piece glued under side stabilizer extra strength horizontal stabili zer should parallel wing Stand couple feet away eyeball front align top wing bottom stabilizer sure horizontal stabilizer hinge line exactly parallel wing hinge line Measure distance hinge line tip stabilizer trail ing edge wing hinge line both sides distances must equal airplane wont track properly fly proper horizontal altitude After surfaces straight true let whole thing dry thoroughly hour check make sure sur faces still aligned properly give plenty time set fin rudder glued next Use rudder offset shown plan Landing Gear Bend landing gear shape shown plan making sure make left right sure also match sweep-forward shown plan fasten wheels slip wheel over axle washer take couple turns copper wire around axle solder wire washer axle Place main landing gear mounts wing using Sig landing gear straps secure place Bend epoxy tail wheel strut shown Secure wheel same way main gear Connecting Flaps Elevator easy way connect flaps elevator two pieces 3/32 music wire long enough overlap other about 1 shown Wrap copper wire pushrods bent installed keepers flaps elevators should set zero degrees Solder pushrod Put pushrod bearing about halfway between elevator flaps see plan Fuel Tank Mount fuel tank fuselage using music wire rubberbands Use Sullivan 4 oz tank see pic ture Wing Tip Weight engine inCHARACTERISTICS Designed withstand rugged treatment gas powered models must endure TOUGH LIGHTWEIGHT MAR-RESISTANT FINISH FUEL PROOFNOT AFFECTED BY WATER CHEMICALS OR ALCOHOL AND WITHSTANDS RACING FUELS UP TO 50% NITRO METHANE ONE-COMPONENT SYSTEMREQUIRES NO CATALYST LOW ODOR QUICK DRYINGDUST FREE IN 45 MINUTES DRIES HARD IN 4 HOURS WILL NOT WRINKLE OR LIFT WHEN RECOATED FREE OF LEAD HAZARDSNON-TOXIC WHEN DRY SPRAY CONTAINS NO FLUOROCARBON PROPELLENTS BRUSHES EASILY WITHOUT BRUSH MARKS APPLICATIONS Applies paintable surface Since Formula-U does shrink silkapan silk products recommended Aero-Gloss Flat Gloss Clear applied first topcoated Formula-U Brushing Formula-U can thinned spray gun application Colors can mixed Use Formula-U Thinner thinning clean-up SIZES oz Jar Can 12 oz Spray Can Leadouts If havent done already some people like get ahead plan wrap leadouts see plan Finishing After test-fitting fuel tank engineand wing tip weight installedfine-sand entire airplane babys bottom smoothness Paint two coats clear dope both coats dry hard sand whole airplane again fine sand paper lightly clear dope over whole model will keep wood grain rising under covering Cut Silkspan shape over wing wet water using mist sprayer Pull Silkspan around leading edges remove wrinkles Cement Silkspan wing applying clear dope center planking leading edges trailing edges wing tips continually pulling entire wing continually pulling keep wrinkles Silkspan dry paint entire wing six 6 coats clear dope sanding very gently after even-numbered coat Use two three coats sanding sealer over entire airplane fill wood grain June 1978 99 COLORS Brushing Spray choice Hi-Gloss Metallic Flat 0Perfectly match 12 SolarIum colors stalled turn airplane over its rudder nose inboard wing should touch table Apply enough weight allow outboard tip flop down work bench inboard tip will up enough weight Lead solder wrapped light string makes good weight epoxy wood KITS 0 PtANS 0 ACCESSORIES BABY ACEP-NUT KITS NYLON BEARINGS BROWN CO-2 ENGINES _____________________REAL JAPANESE TISSUE-PROPS 57 SPAN COMPLETE CATALOG 50t KIT $4 25 MANY HAED TO FIND ITEMS Pt*-hfywes W BOX 2498LA MESA CALIF 92041 CATALOG 25c DAVIS22 D-IK PLAN CSD-7BY Chas E Steinchak MODERNISTIC MODELS PO B0X6974ALBUQNM87107 sanding lightly after coat Markings The roundels wing placed shown plan top ones shown inboard side bottom ones shown outboard side Heres good easy way make turn out right using compass draw proper circles contact paper cut out Starting center paint area roundel winga little actual area will finished airplane cover area contact paper mask center circle Seal edges clear paint Paint next color again little larger actual roundel will cover proper mask seal edges clear paint Continue until roundel complete Leave paper until rest Spitfire painted peel off contact paper presto youve got professional job may seem faster same time just make sure put right color right circles Pain canopy light blue Add AMA numbers initials can go fuselage Paint bottom airplane light blue paint top olive tan cam ouflage colors Conclusion Both Spitfires needed back plate engine filled sol der trimmed fly May June July 1976 issues Model Aviation Chris Lella tells lot airplanes actions problems articles bal ancing roll yaw pitch control line stunt ships quite good should read control line flyer models described article both capable doing complete AMA pattern problems either have worthy addition stable aerobatic mock-combat champions 52nd Nationals continued page 53 Charles Nats has possible adds up lot enjoyment economical conditions family oriented Nats Further food thought has become harder harder put Nats due cost complexity factors much has increasing talk re cent years about discontinuing Nats changing significantly make manageable might last opportunity enjoy Nats classic tradition Lake Charles offers best combination factors make trip worthwhile ever inclined go Nats years recommended offer facilities view point Lake Charles known site country much ideally suited Nats Thus stage set once again AMA put worlds biggest model meet invited FF Duration/Meuser continued page 55 b tickle funnybones applies getting people tell about find lost models Nats Entry&Meeting Information Advance Entry mail savings big Basic Fee refundable dont show Nats best bet advance entry postmark deadline July 3 Late entries will also permitted contest site during Nats period pri mary requisite events late en tries accomplished before various stages preflight processing events con cerned accordance Nats entry form schedule particularly concerning Scale model turn-in transmitter processing Entry Form full schedule event flying plus Scale turn-in deadlines RC transmitter processing times printed Offical Nats Entry Form Instructions Anyone thinks might enter should obtain 1978 Nats entry form also includes much other useful information available upon request AMA HQ 815 Fifteenth St NW Washington DC 20005 Please include stamped pre-addressed en velope AMA HQ offices Chennault Air Base Lake Charles will open registration late entry July 30 ba sically 8 am noon 1 pm 5 pm day also noon day Indoor site Late Basic Entry Fee Juniors Sen iors $5 same advance fee includes entry event $40 Open mem bers no event included Event fees late entries events added Nats advance entrants $5 per event age categories--except RC $10 per event Mechanics Fee advance late $5 provides identification field access priv ileges equivalent contestants Nats Housing University dormitories available rate $5 per person per night double occupancy Children oc cupy bed use sleeping bag ex ample will charged NATS MEETINGS regular AMA general membership meeting provided AMA by-laws scheduled held Nats Wednesday August 2 600 pmall members invited Nominating Committee open AMA vice-presidents appointed delegates will meet Wednesday August 2 8 pm beginning meeting signals closing time AMA officer nominations President Vice-Presidents District 2 4 6 8 10 19791980 term See AMA News section issue nomination procedures NEW NATS TROPHY POLICY Awards will provided least three places Nats event Juniors Seniors well Open contestants ad dition awards may available de pending upon number advance entries event Thus 10 advance entries age group event will least five awards addition will award ten advance en tries beyond first ten Example 21 ad vance entries six awards five first 10 plus second 10 JUNIORS AND SENIORS Juniors Seniors will receive awards same manner Open adult age entries means encouraging young sters compete Nats Juniors Seniors year get free entry Nats event upon payment basic fee Thus Open contestants have pay $20 basic fee plus $3 per event $10 per RC event Juniors pay $5 basic fee no event fees unless enter event same true Seniors ex cept basic fee $10 Juniors Seniors should know too no late entry penalty fee Open entrants latter have pay $40 late entry after July 3 whereas fee stays same Juniors Seniors no matter enter over 60 events 1978 Nats can entered Juniors Seniors special policies age groups years Nats can happy experience youngsters find out ask free Nats entry formsend stamped selfaddressed envelope AMA 815 Fifteenth St NW Washington DC 20005 100 Model Aviation O ER 8O8 8 CA 088 SCALE DRA~SXa ER SON RFP TECH 45550 M KENZ t HWYV DA OR q ss