The long nose moment combined ciassic goiden-age ilnes produces modei thats good iooking good fiying buiit-up fuseiage nice deviation common profile-type smail Stunt models Spectators cant resist commenting its terrific looks THE IDEA Lil Bit originated right after built Hurricane /2A Stunter kit inspiration decided George just ought design build owncant hard reason another idea got shelved went other things past spring however buildanother-model bug bit pretty hard resurrected old idea designing build ing flying original /2A Stunter started project establishing ba sic criteria Lil Bit model would have 1 look like full-size aircraft 2 inexpensive build 3 easy build fly 4 aerobatic capable Stunting two us have aviation buffs years thoroughly enjoy being around both full-size model aircraft description Since partial between-the-wars World War IIvintage birds decided Lil Bit built-up fuselage classic aviation ap pearance pre dictable flying habits make model great addition anybodys collection Control Line sport models should look like 1930s-era sportster chose ze model because knew costs both building flying would held minimum Also no un usual sizes wood pieces hardware required model met goals youve built profile Control Line kit two LII Bit would good first built66 Model Aviation Co-author chief test pilot Scott fuels up model another flight inexpensive construction operation real plus Lil Bit flashes first flights model stable flier capable performing AMA aerobatics maneuvers Left The red cream color scheme authors chose looks great course could pick combination suit taste Right Tee Dee engine runs well inverted since exhaust underneath model stays much cleaner Note amount rudder offset up fuselage takes little time build hollow fuselage certainly isnt diffi cult bill materials end lists everything youll need Weve included some basic information tips concerning construction sequences techniques newcomers course old experienced hands can just forge ahead ol way choose Construction First study plans read text carefully get idea whats done materials youll use Well tackle wing first since its part folks dread wing built directly over plans best done flat work table bench using 2 x 4-ft building board soft enough stick straight pins such Celotex Youll also need sheet wax paper clear plastic wrap Saran Wrap example lay over wing plan finished wing wont glued paper plans used aliphatic resin glue throughout model except two applicationsthe landing gear tail skld installations Its safe nontoxic cleans up water dries quickly inexpensive strong bull Youll know yellow-colored Elmers Carpenters Wood Glue Franidins Tite Bond Sig Bond other brands Re member doesnt take much glue make strong joint As long get thin coating mating surfacesand hold clamp pin parts together glue dryingyour model will strong enough Another product like ZAR Latex Wood Patch marketed United Gilsonite Laboratories Scranton PA out standing wood filler cracks nicks Packaged soft poly tube screw cap spreads extremely well dries quickly sands smooth takes dope found local hardware store have used household repairs well models wing fashioned jig directly over plans ensure strong straight struc ture first step cut out parts jig Trace wing spar jig piece plan onto paper cut out glue onto rectangular piece 1/16 sheet balsa slightly larger jig piece Cut out five rectangles /16 sheet same size Using tiny dabs glue tack glue six rectangular pieces stack like pancakes After glue dries us ing paper pattern glued onto top stack guide cut out six jig pieces once Since wing spar jig pieces must exactly same size shape en sure proper wing alignment its important cut sand carefully Gently split six pieces apart thin knife razor blade voilayou should have six identical wing spar jig pieces stack method cutting out identical parts quick accurate main wing ribs made same way except templates patterns thin sheet aluminum brass plywood cut identical shape size shown plans used Tack glue templates together before cutting out ensure identical Drill two %-in-dia holes each end horizontal slot rib Cut out 12 W-l rectangular wing rib blanks making slightly larger needed Tack glue blanks stack glue dry drill A-in holes through entire stack using holes rib templates drill bit positioning guide Split two rib templates apart sandwich stack blanks between templates bolt whole stack together %-in-dia bolts nuts Saw carve sand stack blanks finished wing ribs using hard templates end guides After final sanding stack remove bolts templates split ribs apart carefully cut out slots center ribs Make up kit balsa sheet wing parts /16 sheet cut out four W-2 wing ribs four wing tip ribs four wing November 1988 67 Sig plastic wheels set far enough forward mat noseovers problem Thats lower tank vent just behind cylinder 1-in Ace spinner wood prop add realism tip gussets %2 sheet cut out two wing tips two flap halves Finally cut flap joiner %2 x 4-in hard wood Put flap parts aside now Begin wing assembly pinning wing plan building board covering wax paper Pin six wing spar jig pieces onto plan standing upright dotted line positions shown square spar slots top Push straight pins angle down through lower portion jig pieces board Two pins inserted side jig should hold securely Cut two 46 x 34-in trailing edge TE strips two A-in-sq spars 4-insq leading edge LE length shown plan spars TE LB strips same length Pin TE strip over TE drawn plan holding straight edge against strip pin down keep lined up Lay 4-in-sq spars jig slots positioning spar ends line up plan jig pieces carefully cut out pinned onto plan spar should lay jig straight arrow Begin gluing main wing ribs W-1 W-2 place Note W-2s center section wing W-ls outboard Squeeze little glue rear edge rib will contact TE also square spar slot press rib place Carefully align rib over plan checking indi vidually after installation small square drafting triangle ensure vertical After main ribs have glued lower spar TB assemble flaps Note joiner strip inset leading edges flap halves Pin flap halves onto wing plan respective positions glue joiner strip place Pin weight entire flap assembly onto board will straight flat glue dries Install control system wing total pull~ flying Control Line model borne control systemthe handle flying wires lead-out lines bellcrank its mounting help ensure long life model safety pilot spectators control system must rigged securely broken dis lodged flying wire lead-out line bellcrank its mount pushrod control horn al always results crash Take time check control system flying wires lead-outs control handle connec tions pushrod connections control horn integrity before flight Attach lead-out lines bellcrank using safe method shown AMA rule book youre newcomer dont know attach lead-outs bellcrank flying wire clips outboard ends lead-outs ask veteran Control Line flier local hobby shop manager help Cut out 1 x 3%-in rectangle A-in plywood bellcrank mounting platform Drill bellcrank mounting bolt hole point shown plan glue mount place ribs W-2 top lower spar Thread free ends lead-out lines through slots ribs left wing Position bellcrank install onto plywood mount according manufacturers instructions Glue upper spar place pinning ribs Bevel mating surfaces both TB strips slightly give flat gluing surface about A-in wide Pin glue upper TE strip ribs lower TB strip rear edges After glue sets remove pins lift wing out jig Remove flap assembly board lay safely aside now wing tips easily installed wing standing end Glue tips outermost ribs making sure theyre lined up parallel wing leading trailing edges Glue wing tip gussets place Cut two /16 brass tubing lead-out guides length slip over outboard ends lead-out lines glue top left wing tip locations shown plan careful slop glue lead-out lines themselves ac cidentally glue guides loca tions lead-out guides will produce enough flying line sweephack keep Lil Bit tight lines Install flying wire clips outboard ends lead-out wires using AMA rule book method Make two lead-out lines near same total length possible Glue tip ribs onto top bottom wing tips tip rib goes top left wing tip will need notches cut sanded its bottom edge fit over tubing lead-out guides Cover top bottom wing center section soft /16 sheet balsa grain running spanwise Cut out pushrod clearance open ing top sheeting sharp knife finish sandpaper Sand wing surfaces 100-grit gar net paper long sanding block use block made 30-in-long perfectly straight 1 x 2-in hard pine Garnet paper strips 100 200 grit adhered narrow edges aerosol contact cement thus providing double-sided sanding block Hold sanding block spanwise wing surface work carefully LB TB back again also spanwise garnet paper cuts fast very careful sand dips flat spots edges ribs Work slowly achieve smooth continuously curving symmetrical wing profile fuselage built sheet parts should cut out advance Cut fire wall landing gear mount bulkhead F-2 A-in plywood Drill hole fire wall fuel tank suction tube other formers cut %2 sheet balsa grain running vertically Fuselage sides cut /6 sheet balsa grain run ning lengthwise choosing wood other materials model pick out straightest flattest also lightest can find except particular parts must sacrifice weight strength Saving weight wherever possible will definitely make difference flight performance 68 Model Aviation Left Cut out sheet parts first make assembly easier Note holes drilled engine mounts lighten ribs left wing panel will notched later allow clearance lead-outs Right completed airframe ready covering Note clearance notch lower nose sheet needle valve Latex wood filler used make wing fillets Lead-out guides made brass tubing Full-Size Plans Available Page 186 liii*1CC SCAR11 II IiUCAO*C CCC iiiI IIll IIIliii IWLII irIIIii r.I 5 II CEVEL MATING SUCTACES ATGM UY-Aij4 L7n CASM— flrTPIAIGUL*C-,r* PS MACC -- ~A-~5CCLEVATACJONCC CI&ATSICLOMIPoIflAU,OC -LUCY ALCASAMOC LOWICARUCCLAOCSDCCCOflONLOSEAMCFUSCLAGCSCCS FOCCASCOOS2MWTALSCD CLX 7CC CCC A4CPCI SLOWSAMAWICACA7UCLEDCOK MAAKPA DULSOFTFLAP INSTALLAflOS CEPLASE /2-A STUNT/SPORT SHIP FOR 0497051 ENGINES Cut out openings wing pushrod exit slot right fuselage side small pieces side just low flap joiner strip Save last two little pieces theyll replaced after flap installation Cut engine mounts 14-in-sq hardwood used hard pine hard wood would OK Drill holes through engine mounts lighten shown plans Carve out notch lefthand mount clearance upper fuel tank vent tube Glue engine mounts place aligning top edges top edges hi selage sides Remember two fuselage sides different Follow plans care fully make sure mounts glued correctly mounts extend way back former F-3 order transfer en gine vibration whole airframe thus help dampen vibration Lay what will right fuselage side down board mount facing up glue firewall formers F-3 F-5 F-l Check form ers square triangle make sure theyre glued perpendicularly side fuel tank must installed now since fuselage literally built around used Perfect brand #204 -oz wedgeshaped stunt tank size tank carries enough fuel get some aerobatics doesnt keep engine running long re ready drop before quits can course use tank narrow enough fit fuselage use Perfect #20 install exactly per plans fuel suction tube will lined up fuel intake Cox Tee Dee 051 50 youll get decent engine run whether model upright inverted upper tank vent tube will have lengthened will stick up out fuselage recommend adding piece same size tubing sleeve next largest size tubing soldered glued around joint Bevel exposed ends tank vent tubes front model flying ram air effect will pressurize tank help fuel flow some what Well likely get arguments some fliers about its 30-year-old habit thats hard break install tank first glue 5-1 rear firewall glue S-2 lower portion F- 1 remember F- 1 hasnt installed yet Now slide ward end tank place within 5-1 against rear firewall poking fuel pickup tube through hole firewall Glue F-l position sliding up tight against rear tank S-2 fits around tanks rear end Youll likely have little filing trimming sand ing both tank saddles since its tight fit After tank firmly place turn fuselage side upside down its rest ing vertically its top edge form ers sticking out side Mark posi tion former remaining side ap ply glue end former press side also turned upside down place against formers Pin side ends formers until dry Bevel inside mating surfaces rear fuse lage ends glue formers F-7 F-8 place Finally glue rear fuselage ends together install formers F-4 F-6 until after wing place Continued page 70 November 1988 69 2L Scotts sister Sara other pilot family Sara has flying since grade school finds Lii Bit great model show off Astounds boys experience Great Performance Quartet DALOTEL 850 SPAN 69 ins WING AREA 830 sq ins CHIPMUNK 850 SPAN 70 insWING AREA 850 sq ins SPAN 76 EXTRA 230 WING AREA 900 sq ins ZLIN 526 SPAN 72 ins WING AREA 900 sq ins series Sport Scale Balsa ARF Airplanes 120-4 cycle equivalent motors See RCHTA Show October 14-16 1988 available direct select hobby shops ZIMPRO MARKETING Power plant little Cox /zA engines incredibly powerful size weight suitable modifications fuselage nose Cox 049 engines could used would haul Lil Bit around just fine However just hap pened have Tee Dee 051 hand literally designed airframe around tank inverted engine appearances sake runs fine way landing gear far enough ward keep glow plug scraping ground case nose-overwhich far hasnt happened fuselage lying upside down hoard position engine mounts Turn little toward what will right side airframe little outthrust helps keep plane tight lines mark locations four holes mounts Important Re member fuselage upside down mark bolt holes engine off set Drill holes mounts 2-56 x 34-in bolts Bolt engine place bolt heads up plane right-side-up nuts washers will below engine mounts wont poke through nose block its rounded off Install fuel line tank engine plug fuel tank vents tape keep out balsa dust Also wrap engine piece cloth keep clean Bend landing gear 1/16 music wire using true-size layout plan pattern bend gear legs ward shown fuselage side view stall wheels axles secure setscrew wheel collars wash ers epoxied onto axle tips 1%-in wheels lightweight Sig hollow plastic ones Lay upper portion landing gear former F-2 trace outline onto Rout out groove F-2 gear can recessed Lay F-2 board groove up epoxy gear groove being sure gear legs angled upward theyll canted forward after stallation After epoxy set glue F-2 fuselage against back F-i Hold clamp place glue sets Install wing flaps Slide wing through fuselage center theres same amount wing sticking out side fuselage Square wing fuselagethat make sure wing leading edge perpendicular fu selage viewed above Hold square drafting triangle against wing leading edge forward part fu selage ensure right angle youre satisfied wing aligned run bead glue inside outside fuselage wing-fuselage junction bot toms F-3 F-S contact wing Cut out 18 fabric flap hinge strips size shown plan glue flap assembly Also glue flap horn flap joiner strip Slide flap assembly position against wing trailing edge sure control horn sticking up glue free hinge ends wing TE Fin ish wing installation gluing two cutout pieces back fuselage sides gluing formers F-4 F-6 place Cut flap elevator pushrods 1/16 music wire Slide wire keepers pushrods bend right angles ends Install pushrods bellcrank flap horn snap keepers place Wait until elevator installed bend elevator pushrod end Installing pushrods bellcrank bit tedious needle-nose pliers persever ance can done Sheet upper fuselage sections soft 1/16 sheet balsa cut stiff paper pat terns size needed cover upper forward fuselage turtledeck sections transferred patterns sheet balsa Cut balsa little oversize since its lot easier trim shape fill gaps putty Also cut hole nose sheet upper fuel tank vent Install sheet gluing edge upper edge fuselage side soaking sheet water until pliable applying glue formers wrapping sheet over formers Pin sheet edges formers hold position drying bend sheet tail over top F-8 pretty tight keep sheeting splitting use sharp blade lightly score top surface lengthwise few places wraps over F-8 Cut out nose tail blocks soft solid balsa cut %2-in-wide slots tail block vertical horizontal stabilizers Hollow underside nose block clear engine crankcase glue place Cut out install triangular-shaped piece sheet balsa tween rear fuselage sides serve platform attaching stabilizer glue tail block place platform tight against rear F-8 Fill cracks gaps between fu selage top sheets blocks wood fil ler sand blocks proper contour fairing fuselage Continue fill cracks filler sand necessary obtain smooth surface tail surfaces cut %2-in sheet balsa As flaps glue elevators joiner strip pin weight sembly board dry Glue con trol horn joiner strip downwardpointing position shown Cut out 12 fabric hinges attach stabilizer did flaps Position stabilizer glue place fuselage Alignment critical Make sure stabilizer installed parallel wing viewed front rear Also elevator-stabilizer hinge line should parallel wing viewed above good way check align ment measure distance up per wing spar straight back outer tip stabilizer side plane ensure tip isnt cocked forward other 70 Model Aviation PO BOX 3076 OAK RIDGE TN 37830 PHONE 615-482-6188 Glue short length triangular stock un der side stabilizer adjoining fuselage firmly ties stabilizer fuselage adds very little weight Glue vertical stabilizer place making sure absolutely vertical Check square triangle Sheet bottom fuselage sec tions 1/16 balsa grain running crosswise Next glue rudder ver tical stabilizer rear fuse lage Angle slightly provide little right offset Bend tail skid 032 music wire epoxy place Any covering system satisfactory includ ing iron-on variety still prefer silkspan-and-dope route brushed coat Sig fuel-proof clear dope onto wings leading trailing edges center plank ing sanded lightly 400-grit wet-or-dry paper covered wing lightweight silkspan grain running spanwise Dope silkspan leading trailing edges edges wing tips dope silkspan ribsif covering cant adequately move shrinks youll end up sagging covering job After dope dries shrink silkspan spraying lightly water allow ing dry thoroughly dry sanded entire airframe 400-grit wetor-dry paper applied three coats Sig sanding sealer sanding lightly between coats decided nostalgic color scheme overall Sig Diana Cream Stearman Red trim black numerals couple finish coats clear dope would really make shine chose put windshield canopy model certainly could Apply AMA li cense number upper right wing sur face flew Lil Bit Sullivan brand 012in x 35-ft braided lines after carefully checked line pushrod horn connec tions other procedure go through drip Cox fuel through paper coffee filter make sure its super clean Small en gines particularly reed valve variety super-sensitive trashy fuel first takeoff Scott chose full-upelevator catapult shot Tee Dee really wound up swinging Cox 6 x 4 plas tic prop Ace RC 1-in spinner Lil Bit literally jumped off ground headed up up away initial takeoff pretty much wingover lot dancing prancing around out circle until order restored Lil Bit flies exceptionally well though capable skipping through whole pattern suggest place pushrods least sensitive control horn positions until get feel hot little machine hope find Lil Bit much fun have Just remember have fun always fly safely away power lines Bill Materials Sheet Balsa Continued page 174 3 dozen $400 ea 4 dozen $375 ea 5 dozen $360 ea 6 dozen $355 ea Add $400 shipping per order Please send good black white art reproduction Please specify quantity Trans-Cover colors ink color ordering Limit ink color per order Now fliers over world have neat inexpensive functional way protect R/C transmitters dirt dust rain Custom printed club logo Constructed durable canvas lifelong Velcro closure Available red blue green yellow orange black Colors can mixed size fits Send check money order KD GRAPKICS 3315 13th Avenue Columbus Georgia 31904 404/323-2787 9am-Spm EST November 1988 71 U MANS-COVER ey Hal Winters Don Harbin Bert Dugan certainly due thunderous words thanks fine efforts Additional thanks go Ann Underwood keeping up considerable paperwork entering judging scoring contest Stan Alexander causing thing run smoothly As parting note contrast last years con test during scores posted year Cliff Tacie kept everyone instantaneously formed scoring progression printouts desktop computer prompt service much appreciated Cliff added height ened sense awareness competitors ef forts Nats md Duration/Kruse Continued page 62 mm mark 2040 appeared Belieff new winner Stout Indoor trophy no Young Don gone broke last flight model touched floor after flight 2118 just scant minutes before witch ing hour willing let coveted trophy escape Dan Belieff wound quickly haste launch damaged ship Hurried repalrs ef fected ship launched despite dam age course badly Out trim went floor turns still motor Young Don Slusarezyk done As pun dit said upon strolling out auditorium really beyond Belieff wasnt Most within earshot hurried out reply Credit another good Indoor Nats certainly goes contestants put forth best ef forts both helping fellow modelers THE JOURNAL OF THE AIRPLANE 1920 1940 Leo Opdycke Editor competing against Richard Melody Doig also deserve large measure thanks tireless efforts behalf Indoor fliers As long well-run contest can assured certainly can under supervision Doigs Indoor Nats will continue its right ful place prominence Nats Outdoor Scale/Kruse Continued page 65 bunch people flying airplanes must apolo gize being busy flying attempting take needed photos report did get names because fail ure hesitate name anyone fear of fending might missbut know assured work appreciated Johis Guenther Stan Alexander Ann Underwood caused things again run smoothly midst seemingly obligatory site change thanks behalf contestants look forward next year re sumption full slate Free Flight events among Free Flight Scale will still remain favorite Lii Bit/Browns Continued page 71 ll/6 x 4 x 36 softfuselage top & bottom cov ering ribs x 3 x 36 softfuselage sides ribs jig pieces l/32 x 3 x 36 softformers flaps tips tail surfaces Other Balsa 3A x x 36 medwing LE spars stabi ww1 UREIAL OF TIlE EARLY AEROPLANE Kenn Rust Editor WW1 AERO 19001919 SKYWAYS 1920-1940 two Journals contain infornation current proiects orical research news museuns airshows shop notes technical drawings data infornat ion paint color photographs aeroplanes engines parts sale scale nodelling naferial PLUS wants disposals news current publications kinds PLUS nore. Sanple copies $4 Published WORLD WAR 1 L%pt&i INC 15 Crescent Road Pouqhkecpsie NY 12601 USA 914 473-5679 174 Model Aviation THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great perfor mance Thermal Charger fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 VINTAGE -C PLAN 7 SOLIDATED PBY-5A tCATALINA 9FT WING SPAN ALL RIBS 8 FULL FORMERS SHOWN ON PLANS11 PLASrIC ENGCOWLS $1090 PR CLEAR GUN BLISTERS $ 760 PR 4 LARGE PLAN SHEETS s $ 1895 GET WING SPAN MODEL PBY-5A ENGINE COWLS $750 Plans $1495 GUN BLISTERS $ 5 50 PR ADO $300 POSTAGE CAiAL0BOVER 50 PLANS $100 DEALERS WRITE WORLDWIDE SID MORGAN 13157 ORMONO BELLEVILLE 48111 USA lizer braces 2/ x -in softwing TEs 1 x 1 x 4-in soft blocknose & tail blocks Other Wood l%2 x x 19-in hardwood stripflap & eleva tor joiners plywood approx 1 x 7 firewall landing gear bulkhead bellcrank mount 1A x x 13-in hardwoodmotor mounts Other Materials Plans Building board Straight pins Wax paper 1Cox Tee Dee 049 051 engine 1propeller 6 x 4 Cox plastic Top Flite Zinger wood 11-in plastic spinner Ace RC Inc 1-oz wedge fuel tank Perfect #20 /s x 4-in brats tubingtank vent extension leadout guides 2 small plastic flexible fuel line /16 x 28-in music wtrepushrods landing gear 032 x 4-in music wiretailskid 12-in bellcrank mounting hardware Perfect comparable 36-in length braided lead-out line Perfect com parable 1 pairflying wire clips Perfect Du-Bro com parable 1 pair1%-in-dia plastic wheels Sig comparable 1 pair/s-in wheel collars Perfect Du-Bro comparable 42-56 x -in engine mounting bolts locknuts 2small control horns Perfect comparable flaps elevator 4wire pushrod keepers /6-in-dia music wire 48% x -in similar size fabric control surface hinges Aliphatic resin glue Franklin Tite Bond compar able Five-minute epoxy glue Duro comparable Garnet paper 100- 200-grit Norton compa rable Wet-or-dry paper 400-grit 3M comparable 1 sheetlightweight silkspan Fuel-proof dopeSig clear sanding sealer Diana Cream Stearman Red comparable 1-in numerals AMA license number 1 set012-inx 35-ft braided steel flying wire Sul livan comparable 1A control handle Sullivan comparable Cox Super Power Glow Fuel above parts materials should available local hobby shop Theres word some streets supplies Con trol Line models arent available anymore weve found true able secure everything needed build Lil Bit other models Johnny Clemens Hobby Counter Dallas know other shops stock order Control Line supplies So dont accept Geewe cant get anymore cause its just true Control Line alive Sparrow Hawk/ODwyer Continued page 78 Sparrow Hawk flies best four strands 3/6-in rubber Ten grams FM Champion rubber will 78 80 long Wash off powder coats rubber soapy water Use following method tying rubber will never slip Tie single overhand knot close end possible Laying two ends adja cent other tie another overhand knot two strands Use liberal amounts Continued page 178 Finest Kits Youll Ever Buy Build TraIn-Air 20 Train-Air 40 Sport-Air 40 Bel-AIr 40 40 Hydro-Floats rsa eesy handling uperior serobetic modern looking sport exhibition biplane has filled 55, 6 75 lbs 148 185 207-4901M1 Wise & Uastereeu4ed 1 KIT FEATURES Polyester fiberglass fusalage cowling retractable landing 92 wingspan gear Foam cores wing stab Available major production variations F4F-3 -3A -4 FM-i FM-2 Semi-Kit Fusalage cowling foam cores wing stab canopy retractable landing gear plans$27500 Complete Kit Everything listed semi-kit plus wood parts hardware necessary complete kit including 1/64 plywood sheeting wings$45000 Deluxe Kit Complete kit fusalage preassembled $85000 wings stab presheeted control surfaces prebuilt Information Package $100 VISA/MasterCard accepted add $1500 sh pp ng daho es add 5% Sa es tax Classic Glass PO Box 503 Blackfoot Idaho 83221-0503 Mike Zamber 208 785-2309 November 1988 175 fine tine kits ate machine cut sasist building reel show 80 has fully summetricel wing sections gives gresteat potential serobstic er upflght Inverted ship cspsble very slow close-In type flight right up robatic schedule can muster Classic Glass Grumman Wildcat B limEd ATIIE BEST IN ELECTRIC FLIGHT SPECIALIZING IH ASTRO FLIBHT SYSTEM -ENflI 111 ___________________________________________________ 1 I -RRl i 5l 1j CS Flight SgsteNs 31 Perrj Street Hiddlebero M 023483117 Phone 617947-2905 6 9 P H
Edition: Model Aviation - 1988/11
Page Numbers: 66, 67, 68, 69, 70, 71, 174, 175
The long nose moment combined ciassic goiden-age ilnes produces modei thats good iooking good fiying buiit-up fuseiage nice deviation common profile-type smail Stunt models Spectators cant resist commenting its terrific looks THE IDEA Lil Bit originated right after built Hurricane /2A Stunter kit inspiration decided George just ought design build owncant hard reason another idea got shelved went other things past spring however buildanother-model bug bit pretty hard resurrected old idea designing build ing flying original /2A Stunter started project establishing ba sic criteria Lil Bit model would have 1 look like full-size aircraft 2 inexpensive build 3 easy build fly 4 aerobatic capable Stunting two us have aviation buffs years thoroughly enjoy being around both full-size model aircraft description Since partial between-the-wars World War IIvintage birds decided Lil Bit built-up fuselage classic aviation ap pearance pre dictable flying habits make model great addition anybodys collection Control Line sport models should look like 1930s-era sportster chose ze model because knew costs both building flying would held minimum Also no un usual sizes wood pieces hardware required model met goals youve built profile Control Line kit two LII Bit would good first built66 Model Aviation Co-author chief test pilot Scott fuels up model another flight inexpensive construction operation real plus Lil Bit flashes first flights model stable flier capable performing AMA aerobatics maneuvers Left The red cream color scheme authors chose looks great course could pick combination suit taste Right Tee Dee engine runs well inverted since exhaust underneath model stays much cleaner Note amount rudder offset up fuselage takes little time build hollow fuselage certainly isnt diffi cult bill materials end lists everything youll need Weve included some basic information tips concerning construction sequences techniques newcomers course old experienced hands can just forge ahead ol way choose Construction First study plans read text carefully get idea whats done materials youll use Well tackle wing first since its part folks dread wing built directly over plans best done flat work table bench using 2 x 4-ft building board soft enough stick straight pins such Celotex Youll also need sheet wax paper clear plastic wrap Saran Wrap example lay over wing plan finished wing wont glued paper plans used aliphatic resin glue throughout model except two applicationsthe landing gear tail skld installations Its safe nontoxic cleans up water dries quickly inexpensive strong bull Youll know yellow-colored Elmers Carpenters Wood Glue Franidins Tite Bond Sig Bond other brands Re member doesnt take much glue make strong joint As long get thin coating mating surfacesand hold clamp pin parts together glue dryingyour model will strong enough Another product like ZAR Latex Wood Patch marketed United Gilsonite Laboratories Scranton PA out standing wood filler cracks nicks Packaged soft poly tube screw cap spreads extremely well dries quickly sands smooth takes dope found local hardware store have used household repairs well models wing fashioned jig directly over plans ensure strong straight struc ture first step cut out parts jig Trace wing spar jig piece plan onto paper cut out glue onto rectangular piece 1/16 sheet balsa slightly larger jig piece Cut out five rectangles /16 sheet same size Using tiny dabs glue tack glue six rectangular pieces stack like pancakes After glue dries us ing paper pattern glued onto top stack guide cut out six jig pieces once Since wing spar jig pieces must exactly same size shape en sure proper wing alignment its important cut sand carefully Gently split six pieces apart thin knife razor blade voilayou should have six identical wing spar jig pieces stack method cutting out identical parts quick accurate main wing ribs made same way except templates patterns thin sheet aluminum brass plywood cut identical shape size shown plans used Tack glue templates together before cutting out ensure identical Drill two %-in-dia holes each end horizontal slot rib Cut out 12 W-l rectangular wing rib blanks making slightly larger needed Tack glue blanks stack glue dry drill A-in holes through entire stack using holes rib templates drill bit positioning guide Split two rib templates apart sandwich stack blanks between templates bolt whole stack together %-in-dia bolts nuts Saw carve sand stack blanks finished wing ribs using hard templates end guides After final sanding stack remove bolts templates split ribs apart carefully cut out slots center ribs Make up kit balsa sheet wing parts /16 sheet cut out four W-2 wing ribs four wing tip ribs four wing November 1988 67 Sig plastic wheels set far enough forward mat noseovers problem Thats lower tank vent just behind cylinder 1-in Ace spinner wood prop add realism tip gussets %2 sheet cut out two wing tips two flap halves Finally cut flap joiner %2 x 4-in hard wood Put flap parts aside now Begin wing assembly pinning wing plan building board covering wax paper Pin six wing spar jig pieces onto plan standing upright dotted line positions shown square spar slots top Push straight pins angle down through lower portion jig pieces board Two pins inserted side jig should hold securely Cut two 46 x 34-in trailing edge TE strips two A-in-sq spars 4-insq leading edge LE length shown plan spars TE LB strips same length Pin TE strip over TE drawn plan holding straight edge against strip pin down keep lined up Lay 4-in-sq spars jig slots positioning spar ends line up plan jig pieces carefully cut out pinned onto plan spar should lay jig straight arrow Begin gluing main wing ribs W-1 W-2 place Note W-2s center section wing W-ls outboard Squeeze little glue rear edge rib will contact TE also square spar slot press rib place Carefully align rib over plan checking indi vidually after installation small square drafting triangle ensure vertical After main ribs have glued lower spar TB assemble flaps Note joiner strip inset leading edges flap halves Pin flap halves onto wing plan respective positions glue joiner strip place Pin weight entire flap assembly onto board will straight flat glue dries Install control system wing total pull~ flying Control Line model borne control systemthe handle flying wires lead-out lines bellcrank its mounting help ensure long life model safety pilot spectators control system must rigged securely broken dis lodged flying wire lead-out line bellcrank its mount pushrod control horn al always results crash Take time check control system flying wires lead-outs control handle connec tions pushrod connections control horn integrity before flight Attach lead-out lines bellcrank using safe method shown AMA rule book youre newcomer dont know attach lead-outs bellcrank flying wire clips outboard ends lead-outs ask veteran Control Line flier local hobby shop manager help Cut out 1 x 3%-in rectangle A-in plywood bellcrank mounting platform Drill bellcrank mounting bolt hole point shown plan glue mount place ribs W-2 top lower spar Thread free ends lead-out lines through slots ribs left wing Position bellcrank install onto plywood mount according manufacturers instructions Glue upper spar place pinning ribs Bevel mating surfaces both TB strips slightly give flat gluing surface about A-in wide Pin glue upper TE strip ribs lower TB strip rear edges After glue sets remove pins lift wing out jig Remove flap assembly board lay safely aside now wing tips easily installed wing standing end Glue tips outermost ribs making sure theyre lined up parallel wing leading trailing edges Glue wing tip gussets place Cut two /16 brass tubing lead-out guides length slip over outboard ends lead-out lines glue top left wing tip locations shown plan careful slop glue lead-out lines themselves ac cidentally glue guides loca tions lead-out guides will produce enough flying line sweephack keep Lil Bit tight lines Install flying wire clips outboard ends lead-out wires using AMA rule book method Make two lead-out lines near same total length possible Glue tip ribs onto top bottom wing tips tip rib goes top left wing tip will need notches cut sanded its bottom edge fit over tubing lead-out guides Cover top bottom wing center section soft /16 sheet balsa grain running spanwise Cut out pushrod clearance open ing top sheeting sharp knife finish sandpaper Sand wing surfaces 100-grit gar net paper long sanding block use block made 30-in-long perfectly straight 1 x 2-in hard pine Garnet paper strips 100 200 grit adhered narrow edges aerosol contact cement thus providing double-sided sanding block Hold sanding block spanwise wing surface work carefully LB TB back again also spanwise garnet paper cuts fast very careful sand dips flat spots edges ribs Work slowly achieve smooth continuously curving symmetrical wing profile fuselage built sheet parts should cut out advance Cut fire wall landing gear mount bulkhead F-2 A-in plywood Drill hole fire wall fuel tank suction tube other formers cut %2 sheet balsa grain running vertically Fuselage sides cut /6 sheet balsa grain run ning lengthwise choosing wood other materials model pick out straightest flattest also lightest can find except particular parts must sacrifice weight strength Saving weight wherever possible will definitely make difference flight performance 68 Model Aviation Left Cut out sheet parts first make assembly easier Note holes drilled engine mounts lighten ribs left wing panel will notched later allow clearance lead-outs Right completed airframe ready covering Note clearance notch lower nose sheet needle valve Latex wood filler used make wing fillets Lead-out guides made brass tubing Full-Size Plans Available Page 186 liii*1CC SCAR11 II IiUCAO*C CCC iiiI IIll IIIliii IWLII irIIIii r.I 5 II CEVEL MATING SUCTACES ATGM UY-Aij4 L7n CASM— flrTPIAIGUL*C-,r* PS MACC -- ~A-~5CCLEVATACJONCC CI&ATSICLOMIPoIflAU,OC -LUCY ALCASAMOC LOWICARUCCLAOCSDCCCOflONLOSEAMCFUSCLAGCSCCS FOCCASCOOS2MWTALSCD CLX 7CC CCC A4CPCI SLOWSAMAWICACA7UCLEDCOK MAAKPA DULSOFTFLAP INSTALLAflOS CEPLASE /2-A STUNT/SPORT SHIP FOR 0497051 ENGINES Cut out openings wing pushrod exit slot right fuselage side small pieces side just low flap joiner strip Save last two little pieces theyll replaced after flap installation Cut engine mounts 14-in-sq hardwood used hard pine hard wood would OK Drill holes through engine mounts lighten shown plans Carve out notch lefthand mount clearance upper fuel tank vent tube Glue engine mounts place aligning top edges top edges hi selage sides Remember two fuselage sides different Follow plans care fully make sure mounts glued correctly mounts extend way back former F-3 order transfer en gine vibration whole airframe thus help dampen vibration Lay what will right fuselage side down board mount facing up glue firewall formers F-3 F-5 F-l Check form ers square triangle make sure theyre glued perpendicularly side fuel tank must installed now since fuselage literally built around used Perfect brand #204 -oz wedgeshaped stunt tank size tank carries enough fuel get some aerobatics doesnt keep engine running long re ready drop before quits can course use tank narrow enough fit fuselage use Perfect #20 install exactly per plans fuel suction tube will lined up fuel intake Cox Tee Dee 051 50 youll get decent engine run whether model upright inverted upper tank vent tube will have lengthened will stick up out fuselage recommend adding piece same size tubing sleeve next largest size tubing soldered glued around joint Bevel exposed ends tank vent tubes front model flying ram air effect will pressurize tank help fuel flow some what Well likely get arguments some fliers about its 30-year-old habit thats hard break install tank first glue 5-1 rear firewall glue S-2 lower portion F- 1 remember F- 1 hasnt installed yet Now slide ward end tank place within 5-1 against rear firewall poking fuel pickup tube through hole firewall Glue F-l position sliding up tight against rear tank S-2 fits around tanks rear end Youll likely have little filing trimming sand ing both tank saddles since its tight fit After tank firmly place turn fuselage side upside down its rest ing vertically its top edge form ers sticking out side Mark posi tion former remaining side ap ply glue end former press side also turned upside down place against formers Pin side ends formers until dry Bevel inside mating surfaces rear fuse lage ends glue formers F-7 F-8 place Finally glue rear fuselage ends together install formers F-4 F-6 until after wing place Continued page 70 November 1988 69 2L Scotts sister Sara other pilot family Sara has flying since grade school finds Lii Bit great model show off Astounds boys experience Great Performance Quartet DALOTEL 850 SPAN 69 ins WING AREA 830 sq ins CHIPMUNK 850 SPAN 70 insWING AREA 850 sq ins SPAN 76 EXTRA 230 WING AREA 900 sq ins ZLIN 526 SPAN 72 ins WING AREA 900 sq ins series Sport Scale Balsa ARF Airplanes 120-4 cycle equivalent motors See RCHTA Show October 14-16 1988 available direct select hobby shops ZIMPRO MARKETING Power plant little Cox /zA engines incredibly powerful size weight suitable modifications fuselage nose Cox 049 engines could used would haul Lil Bit around just fine However just hap pened have Tee Dee 051 hand literally designed airframe around tank inverted engine appearances sake runs fine way landing gear far enough ward keep glow plug scraping ground case nose-overwhich far hasnt happened fuselage lying upside down hoard position engine mounts Turn little toward what will right side airframe little outthrust helps keep plane tight lines mark locations four holes mounts Important Re member fuselage upside down mark bolt holes engine off set Drill holes mounts 2-56 x 34-in bolts Bolt engine place bolt heads up plane right-side-up nuts washers will below engine mounts wont poke through nose block its rounded off Install fuel line tank engine plug fuel tank vents tape keep out balsa dust Also wrap engine piece cloth keep clean Bend landing gear 1/16 music wire using true-size layout plan pattern bend gear legs ward shown fuselage side view stall wheels axles secure setscrew wheel collars wash ers epoxied onto axle tips 1%-in wheels lightweight Sig hollow plastic ones Lay upper portion landing gear former F-2 trace outline onto Rout out groove F-2 gear can recessed Lay F-2 board groove up epoxy gear groove being sure gear legs angled upward theyll canted forward after stallation After epoxy set glue F-2 fuselage against back F-i Hold clamp place glue sets Install wing flaps Slide wing through fuselage center theres same amount wing sticking out side fuselage Square wing fuselagethat make sure wing leading edge perpendicular fu selage viewed above Hold square drafting triangle against wing leading edge forward part fu selage ensure right angle youre satisfied wing aligned run bead glue inside outside fuselage wing-fuselage junction bot toms F-3 F-S contact wing Cut out 18 fabric flap hinge strips size shown plan glue flap assembly Also glue flap horn flap joiner strip Slide flap assembly position against wing trailing edge sure control horn sticking up glue free hinge ends wing TE Fin ish wing installation gluing two cutout pieces back fuselage sides gluing formers F-4 F-6 place Cut flap elevator pushrods 1/16 music wire Slide wire keepers pushrods bend right angles ends Install pushrods bellcrank flap horn snap keepers place Wait until elevator installed bend elevator pushrod end Installing pushrods bellcrank bit tedious needle-nose pliers persever ance can done Sheet upper fuselage sections soft 1/16 sheet balsa cut stiff paper pat terns size needed cover upper forward fuselage turtledeck sections transferred patterns sheet balsa Cut balsa little oversize since its lot easier trim shape fill gaps putty Also cut hole nose sheet upper fuel tank vent Install sheet gluing edge upper edge fuselage side soaking sheet water until pliable applying glue formers wrapping sheet over formers Pin sheet edges formers hold position drying bend sheet tail over top F-8 pretty tight keep sheeting splitting use sharp blade lightly score top surface lengthwise few places wraps over F-8 Cut out nose tail blocks soft solid balsa cut %2-in-wide slots tail block vertical horizontal stabilizers Hollow underside nose block clear engine crankcase glue place Cut out install triangular-shaped piece sheet balsa tween rear fuselage sides serve platform attaching stabilizer glue tail block place platform tight against rear F-8 Fill cracks gaps between fu selage top sheets blocks wood fil ler sand blocks proper contour fairing fuselage Continue fill cracks filler sand necessary obtain smooth surface tail surfaces cut %2-in sheet balsa As flaps glue elevators joiner strip pin weight sembly board dry Glue con trol horn joiner strip downwardpointing position shown Cut out 12 fabric hinges attach stabilizer did flaps Position stabilizer glue place fuselage Alignment critical Make sure stabilizer installed parallel wing viewed front rear Also elevator-stabilizer hinge line should parallel wing viewed above good way check align ment measure distance up per wing spar straight back outer tip stabilizer side plane ensure tip isnt cocked forward other 70 Model Aviation PO BOX 3076 OAK RIDGE TN 37830 PHONE 615-482-6188 Glue short length triangular stock un der side stabilizer adjoining fuselage firmly ties stabilizer fuselage adds very little weight Glue vertical stabilizer place making sure absolutely vertical Check square triangle Sheet bottom fuselage sec tions 1/16 balsa grain running crosswise Next glue rudder ver tical stabilizer rear fuse lage Angle slightly provide little right offset Bend tail skid 032 music wire epoxy place Any covering system satisfactory includ ing iron-on variety still prefer silkspan-and-dope route brushed coat Sig fuel-proof clear dope onto wings leading trailing edges center plank ing sanded lightly 400-grit wet-or-dry paper covered wing lightweight silkspan grain running spanwise Dope silkspan leading trailing edges edges wing tips dope silkspan ribsif covering cant adequately move shrinks youll end up sagging covering job After dope dries shrink silkspan spraying lightly water allow ing dry thoroughly dry sanded entire airframe 400-grit wetor-dry paper applied three coats Sig sanding sealer sanding lightly between coats decided nostalgic color scheme overall Sig Diana Cream Stearman Red trim black numerals couple finish coats clear dope would really make shine chose put windshield canopy model certainly could Apply AMA li cense number upper right wing sur face flew Lil Bit Sullivan brand 012in x 35-ft braided lines after carefully checked line pushrod horn connec tions other procedure go through drip Cox fuel through paper coffee filter make sure its super clean Small en gines particularly reed valve variety super-sensitive trashy fuel first takeoff Scott chose full-upelevator catapult shot Tee Dee really wound up swinging Cox 6 x 4 plas tic prop Ace RC 1-in spinner Lil Bit literally jumped off ground headed up up away initial takeoff pretty much wingover lot dancing prancing around out circle until order restored Lil Bit flies exceptionally well though capable skipping through whole pattern suggest place pushrods least sensitive control horn positions until get feel hot little machine hope find Lil Bit much fun have Just remember have fun always fly safely away power lines Bill Materials Sheet Balsa Continued page 174 3 dozen $400 ea 4 dozen $375 ea 5 dozen $360 ea 6 dozen $355 ea Add $400 shipping per order Please send good black white art reproduction Please specify quantity Trans-Cover colors ink color ordering Limit ink color per order Now fliers over world have neat inexpensive functional way protect R/C transmitters dirt dust rain Custom printed club logo Constructed durable canvas lifelong Velcro closure Available red blue green yellow orange black Colors can mixed size fits Send check money order KD GRAPKICS 3315 13th Avenue Columbus Georgia 31904 404/323-2787 9am-Spm EST November 1988 71 U MANS-COVER ey Hal Winters Don Harbin Bert Dugan certainly due thunderous words thanks fine efforts Additional thanks go Ann Underwood keeping up considerable paperwork entering judging scoring contest Stan Alexander causing thing run smoothly As parting note contrast last years con test during scores posted year Cliff Tacie kept everyone instantaneously formed scoring progression printouts desktop computer prompt service much appreciated Cliff added height ened sense awareness competitors ef forts Nats md Duration/Kruse Continued page 62 mm mark 2040 appeared Belieff new winner Stout Indoor trophy no Young Don gone broke last flight model touched floor after flight 2118 just scant minutes before witch ing hour willing let coveted trophy escape Dan Belieff wound quickly haste launch damaged ship Hurried repalrs ef fected ship launched despite dam age course badly Out trim went floor turns still motor Young Don Slusarezyk done As pun dit said upon strolling out auditorium really beyond Belieff wasnt Most within earshot hurried out reply Credit another good Indoor Nats certainly goes contestants put forth best ef forts both helping fellow modelers THE JOURNAL OF THE AIRPLANE 1920 1940 Leo Opdycke Editor competing against Richard Melody Doig also deserve large measure thanks tireless efforts behalf Indoor fliers As long well-run contest can assured certainly can under supervision Doigs Indoor Nats will continue its right ful place prominence Nats Outdoor Scale/Kruse Continued page 65 bunch people flying airplanes must apolo gize being busy flying attempting take needed photos report did get names because fail ure hesitate name anyone fear of fending might missbut know assured work appreciated Johis Guenther Stan Alexander Ann Underwood caused things again run smoothly midst seemingly obligatory site change thanks behalf contestants look forward next year re sumption full slate Free Flight events among Free Flight Scale will still remain favorite Lii Bit/Browns Continued page 71 ll/6 x 4 x 36 softfuselage top & bottom cov ering ribs x 3 x 36 softfuselage sides ribs jig pieces l/32 x 3 x 36 softformers flaps tips tail surfaces Other Balsa 3A x x 36 medwing LE spars stabi ww1 UREIAL OF TIlE EARLY AEROPLANE Kenn Rust Editor WW1 AERO 19001919 SKYWAYS 1920-1940 two Journals contain infornation current proiects orical research news museuns airshows shop notes technical drawings data infornat ion paint color photographs aeroplanes engines parts sale scale nodelling naferial PLUS wants disposals news current publications kinds PLUS nore. Sanple copies $4 Published WORLD WAR 1 L%pt&i INC 15 Crescent Road Pouqhkecpsie NY 12601 USA 914 473-5679 174 Model Aviation THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great perfor mance Thermal Charger fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 VINTAGE -C PLAN 7 SOLIDATED PBY-5A tCATALINA 9FT WING SPAN ALL RIBS 8 FULL FORMERS SHOWN ON PLANS11 PLASrIC ENGCOWLS $1090 PR CLEAR GUN BLISTERS $ 760 PR 4 LARGE PLAN SHEETS s $ 1895 GET WING SPAN MODEL PBY-5A ENGINE COWLS $750 Plans $1495 GUN BLISTERS $ 5 50 PR ADO $300 POSTAGE CAiAL0BOVER 50 PLANS $100 DEALERS WRITE WORLDWIDE SID MORGAN 13157 ORMONO BELLEVILLE 48111 USA lizer braces 2/ x -in softwing TEs 1 x 1 x 4-in soft blocknose & tail blocks Other Wood l%2 x x 19-in hardwood stripflap & eleva tor joiners plywood approx 1 x 7 firewall landing gear bulkhead bellcrank mount 1A x x 13-in hardwoodmotor mounts Other Materials Plans Building board Straight pins Wax paper 1Cox Tee Dee 049 051 engine 1propeller 6 x 4 Cox plastic Top Flite Zinger wood 11-in plastic spinner Ace RC Inc 1-oz wedge fuel tank Perfect #20 /s x 4-in brats tubingtank vent extension leadout guides 2 small plastic flexible fuel line /16 x 28-in music wtrepushrods landing gear 032 x 4-in music wiretailskid 12-in bellcrank mounting hardware Perfect comparable 36-in length braided lead-out line Perfect com parable 1 pairflying wire clips Perfect Du-Bro com parable 1 pair1%-in-dia plastic wheels Sig comparable 1 pair/s-in wheel collars Perfect Du-Bro comparable 42-56 x -in engine mounting bolts locknuts 2small control horns Perfect comparable flaps elevator 4wire pushrod keepers /6-in-dia music wire 48% x -in similar size fabric control surface hinges Aliphatic resin glue Franklin Tite Bond compar able Five-minute epoxy glue Duro comparable Garnet paper 100- 200-grit Norton compa rable Wet-or-dry paper 400-grit 3M comparable 1 sheetlightweight silkspan Fuel-proof dopeSig clear sanding sealer Diana Cream Stearman Red comparable 1-in numerals AMA license number 1 set012-inx 35-ft braided steel flying wire Sul livan comparable 1A control handle Sullivan comparable Cox Super Power Glow Fuel above parts materials should available local hobby shop Theres word some streets supplies Con trol Line models arent available anymore weve found true able secure everything needed build Lil Bit other models Johnny Clemens Hobby Counter Dallas know other shops stock order Control Line supplies So dont accept Geewe cant get anymore cause its just true Control Line alive Sparrow Hawk/ODwyer Continued page 78 Sparrow Hawk flies best four strands 3/6-in rubber Ten grams FM Champion rubber will 78 80 long Wash off powder coats rubber soapy water Use following method tying rubber will never slip Tie single overhand knot close end possible Laying two ends adja cent other tie another overhand knot two strands Use liberal amounts Continued page 178 Finest Kits Youll Ever Buy Build TraIn-Air 20 Train-Air 40 Sport-Air 40 Bel-AIr 40 40 Hydro-Floats rsa eesy handling uperior serobetic modern looking sport exhibition biplane has filled 55, 6 75 lbs 148 185 207-4901M1 Wise & Uastereeu4ed 1 KIT FEATURES Polyester fiberglass fusalage cowling retractable landing 92 wingspan gear Foam cores wing stab Available major production variations F4F-3 -3A -4 FM-i FM-2 Semi-Kit Fusalage cowling foam cores wing stab canopy retractable landing gear plans$27500 Complete Kit Everything listed semi-kit plus wood parts hardware necessary complete kit including 1/64 plywood sheeting wings$45000 Deluxe Kit Complete kit fusalage preassembled $85000 wings stab presheeted control surfaces prebuilt Information Package $100 VISA/MasterCard accepted add $1500 sh pp ng daho es add 5% Sa es tax Classic Glass PO Box 503 Blackfoot Idaho 83221-0503 Mike Zamber 208 785-2309 November 1988 175 fine tine kits ate machine cut sasist building reel show 80 has fully summetricel wing sections gives gresteat potential serobstic er upflght Inverted ship cspsble very slow close-In type flight right up robatic schedule can muster Classic Glass Grumman Wildcat B limEd ATIIE BEST IN ELECTRIC FLIGHT SPECIALIZING IH ASTRO FLIBHT SYSTEM -ENflI 111 ___________________________________________________ 1 I -RRl i 5l 1j CS Flight SgsteNs 31 Perrj Street Hiddlebero M 023483117 Phone 617947-2905 6 9 P H
Edition: Model Aviation - 1988/11
Page Numbers: 66, 67, 68, 69, 70, 71, 174, 175
The long nose moment combined ciassic goiden-age ilnes produces modei thats good iooking good fiying buiit-up fuseiage nice deviation common profile-type smail Stunt models Spectators cant resist commenting its terrific looks THE IDEA Lil Bit originated right after built Hurricane /2A Stunter kit inspiration decided George just ought design build owncant hard reason another idea got shelved went other things past spring however buildanother-model bug bit pretty hard resurrected old idea designing build ing flying original /2A Stunter started project establishing ba sic criteria Lil Bit model would have 1 look like full-size aircraft 2 inexpensive build 3 easy build fly 4 aerobatic capable Stunting two us have aviation buffs years thoroughly enjoy being around both full-size model aircraft description Since partial between-the-wars World War IIvintage birds decided Lil Bit built-up fuselage classic aviation ap pearance pre dictable flying habits make model great addition anybodys collection Control Line sport models should look like 1930s-era sportster chose ze model because knew costs both building flying would held minimum Also no un usual sizes wood pieces hardware required model met goals youve built profile Control Line kit two LII Bit would good first built66 Model Aviation Co-author chief test pilot Scott fuels up model another flight inexpensive construction operation real plus Lil Bit flashes first flights model stable flier capable performing AMA aerobatics maneuvers Left The red cream color scheme authors chose looks great course could pick combination suit taste Right Tee Dee engine runs well inverted since exhaust underneath model stays much cleaner Note amount rudder offset up fuselage takes little time build hollow fuselage certainly isnt diffi cult bill materials end lists everything youll need Weve included some basic information tips concerning construction sequences techniques newcomers course old experienced hands can just forge ahead ol way choose Construction First study plans read text carefully get idea whats done materials youll use Well tackle wing first since its part folks dread wing built directly over plans best done flat work table bench using 2 x 4-ft building board soft enough stick straight pins such Celotex Youll also need sheet wax paper clear plastic wrap Saran Wrap example lay over wing plan finished wing wont glued paper plans used aliphatic resin glue throughout model except two applicationsthe landing gear tail skld installations Its safe nontoxic cleans up water dries quickly inexpensive strong bull Youll know yellow-colored Elmers Carpenters Wood Glue Franidins Tite Bond Sig Bond other brands Re member doesnt take much glue make strong joint As long get thin coating mating surfacesand hold clamp pin parts together glue dryingyour model will strong enough Another product like ZAR Latex Wood Patch marketed United Gilsonite Laboratories Scranton PA out standing wood filler cracks nicks Packaged soft poly tube screw cap spreads extremely well dries quickly sands smooth takes dope found local hardware store have used household repairs well models wing fashioned jig directly over plans ensure strong straight struc ture first step cut out parts jig Trace wing spar jig piece plan onto paper cut out glue onto rectangular piece 1/16 sheet balsa slightly larger jig piece Cut out five rectangles /16 sheet same size Using tiny dabs glue tack glue six rectangular pieces stack like pancakes After glue dries us ing paper pattern glued onto top stack guide cut out six jig pieces once Since wing spar jig pieces must exactly same size shape en sure proper wing alignment its important cut sand carefully Gently split six pieces apart thin knife razor blade voilayou should have six identical wing spar jig pieces stack method cutting out identical parts quick accurate main wing ribs made same way except templates patterns thin sheet aluminum brass plywood cut identical shape size shown plans used Tack glue templates together before cutting out ensure identical Drill two %-in-dia holes each end horizontal slot rib Cut out 12 W-l rectangular wing rib blanks making slightly larger needed Tack glue blanks stack glue dry drill A-in holes through entire stack using holes rib templates drill bit positioning guide Split two rib templates apart sandwich stack blanks between templates bolt whole stack together %-in-dia bolts nuts Saw carve sand stack blanks finished wing ribs using hard templates end guides After final sanding stack remove bolts templates split ribs apart carefully cut out slots center ribs Make up kit balsa sheet wing parts /16 sheet cut out four W-2 wing ribs four wing tip ribs four wing November 1988 67 Sig plastic wheels set far enough forward mat noseovers problem Thats lower tank vent just behind cylinder 1-in Ace spinner wood prop add realism tip gussets %2 sheet cut out two wing tips two flap halves Finally cut flap joiner %2 x 4-in hard wood Put flap parts aside now Begin wing assembly pinning wing plan building board covering wax paper Pin six wing spar jig pieces onto plan standing upright dotted line positions shown square spar slots top Push straight pins angle down through lower portion jig pieces board Two pins inserted side jig should hold securely Cut two 46 x 34-in trailing edge TE strips two A-in-sq spars 4-insq leading edge LE length shown plan spars TE LB strips same length Pin TE strip over TE drawn plan holding straight edge against strip pin down keep lined up Lay 4-in-sq spars jig slots positioning spar ends line up plan jig pieces carefully cut out pinned onto plan spar should lay jig straight arrow Begin gluing main wing ribs W-1 W-2 place Note W-2s center section wing W-ls outboard Squeeze little glue rear edge rib will contact TE also square spar slot press rib place Carefully align rib over plan checking indi vidually after installation small square drafting triangle ensure vertical After main ribs have glued lower spar TB assemble flaps Note joiner strip inset leading edges flap halves Pin flap halves onto wing plan respective positions glue joiner strip place Pin weight entire flap assembly onto board will straight flat glue dries Install control system wing total pull~ flying Control Line model borne control systemthe handle flying wires lead-out lines bellcrank its mounting help ensure long life model safety pilot spectators control system must rigged securely broken dis lodged flying wire lead-out line bellcrank its mount pushrod control horn al always results crash Take time check control system flying wires lead-outs control handle connec tions pushrod connections control horn integrity before flight Attach lead-out lines bellcrank using safe method shown AMA rule book youre newcomer dont know attach lead-outs bellcrank flying wire clips outboard ends lead-outs ask veteran Control Line flier local hobby shop manager help Cut out 1 x 3%-in rectangle A-in plywood bellcrank mounting platform Drill bellcrank mounting bolt hole point shown plan glue mount place ribs W-2 top lower spar Thread free ends lead-out lines through slots ribs left wing Position bellcrank install onto plywood mount according manufacturers instructions Glue upper spar place pinning ribs Bevel mating surfaces both TB strips slightly give flat gluing surface about A-in wide Pin glue upper TE strip ribs lower TB strip rear edges After glue sets remove pins lift wing out jig Remove flap assembly board lay safely aside now wing tips easily installed wing standing end Glue tips outermost ribs making sure theyre lined up parallel wing leading trailing edges Glue wing tip gussets place Cut two /16 brass tubing lead-out guides length slip over outboard ends lead-out lines glue top left wing tip locations shown plan careful slop glue lead-out lines themselves ac cidentally glue guides loca tions lead-out guides will produce enough flying line sweephack keep Lil Bit tight lines Install flying wire clips outboard ends lead-out wires using AMA rule book method Make two lead-out lines near same total length possible Glue tip ribs onto top bottom wing tips tip rib goes top left wing tip will need notches cut sanded its bottom edge fit over tubing lead-out guides Cover top bottom wing center section soft /16 sheet balsa grain running spanwise Cut out pushrod clearance open ing top sheeting sharp knife finish sandpaper Sand wing surfaces 100-grit gar net paper long sanding block use block made 30-in-long perfectly straight 1 x 2-in hard pine Garnet paper strips 100 200 grit adhered narrow edges aerosol contact cement thus providing double-sided sanding block Hold sanding block spanwise wing surface work carefully LB TB back again also spanwise garnet paper cuts fast very careful sand dips flat spots edges ribs Work slowly achieve smooth continuously curving symmetrical wing profile fuselage built sheet parts should cut out advance Cut fire wall landing gear mount bulkhead F-2 A-in plywood Drill hole fire wall fuel tank suction tube other formers cut %2 sheet balsa grain running vertically Fuselage sides cut /6 sheet balsa grain run ning lengthwise choosing wood other materials model pick out straightest flattest also lightest can find except particular parts must sacrifice weight strength Saving weight wherever possible will definitely make difference flight performance 68 Model Aviation Left Cut out sheet parts first make assembly easier Note holes drilled engine mounts lighten ribs left wing panel will notched later allow clearance lead-outs Right completed airframe ready covering Note clearance notch lower nose sheet needle valve Latex wood filler used make wing fillets Lead-out guides made brass tubing Full-Size Plans Available Page 186 liii*1CC SCAR11 II IiUCAO*C CCC iiiI IIll IIIliii IWLII irIIIii r.I 5 II CEVEL MATING SUCTACES ATGM UY-Aij4 L7n CASM— flrTPIAIGUL*C-,r* PS MACC -- ~A-~5CCLEVATACJONCC CI&ATSICLOMIPoIflAU,OC -LUCY ALCASAMOC LOWICARUCCLAOCSDCCCOflONLOSEAMCFUSCLAGCSCCS FOCCASCOOS2MWTALSCD CLX 7CC CCC A4CPCI SLOWSAMAWICACA7UCLEDCOK MAAKPA DULSOFTFLAP INSTALLAflOS CEPLASE /2-A STUNT/SPORT SHIP FOR 0497051 ENGINES Cut out openings wing pushrod exit slot right fuselage side small pieces side just low flap joiner strip Save last two little pieces theyll replaced after flap installation Cut engine mounts 14-in-sq hardwood used hard pine hard wood would OK Drill holes through engine mounts lighten shown plans Carve out notch lefthand mount clearance upper fuel tank vent tube Glue engine mounts place aligning top edges top edges hi selage sides Remember two fuselage sides different Follow plans care fully make sure mounts glued correctly mounts extend way back former F-3 order transfer en gine vibration whole airframe thus help dampen vibration Lay what will right fuselage side down board mount facing up glue firewall formers F-3 F-5 F-l Check form ers square triangle make sure theyre glued perpendicularly side fuel tank must installed now since fuselage literally built around used Perfect brand #204 -oz wedgeshaped stunt tank size tank carries enough fuel get some aerobatics doesnt keep engine running long re ready drop before quits can course use tank narrow enough fit fuselage use Perfect #20 install exactly per plans fuel suction tube will lined up fuel intake Cox Tee Dee 051 50 youll get decent engine run whether model upright inverted upper tank vent tube will have lengthened will stick up out fuselage recommend adding piece same size tubing sleeve next largest size tubing soldered glued around joint Bevel exposed ends tank vent tubes front model flying ram air effect will pressurize tank help fuel flow some what Well likely get arguments some fliers about its 30-year-old habit thats hard break install tank first glue 5-1 rear firewall glue S-2 lower portion F- 1 remember F- 1 hasnt installed yet Now slide ward end tank place within 5-1 against rear firewall poking fuel pickup tube through hole firewall Glue F-l position sliding up tight against rear tank S-2 fits around tanks rear end Youll likely have little filing trimming sand ing both tank saddles since its tight fit After tank firmly place turn fuselage side upside down its rest ing vertically its top edge form ers sticking out side Mark posi tion former remaining side ap ply glue end former press side also turned upside down place against formers Pin side ends formers until dry Bevel inside mating surfaces rear fuse lage ends glue formers F-7 F-8 place Finally glue rear fuselage ends together install formers F-4 F-6 until after wing place Continued page 70 November 1988 69 2L Scotts sister Sara other pilot family Sara has flying since grade school finds Lii Bit great model show off Astounds boys experience Great Performance Quartet DALOTEL 850 SPAN 69 ins WING AREA 830 sq ins CHIPMUNK 850 SPAN 70 insWING AREA 850 sq ins SPAN 76 EXTRA 230 WING AREA 900 sq ins ZLIN 526 SPAN 72 ins WING AREA 900 sq ins series Sport Scale Balsa ARF Airplanes 120-4 cycle equivalent motors See RCHTA Show October 14-16 1988 available direct select hobby shops ZIMPRO MARKETING Power plant little Cox /zA engines incredibly powerful size weight suitable modifications fuselage nose Cox 049 engines could used would haul Lil Bit around just fine However just hap pened have Tee Dee 051 hand literally designed airframe around tank inverted engine appearances sake runs fine way landing gear far enough ward keep glow plug scraping ground case nose-overwhich far hasnt happened fuselage lying upside down hoard position engine mounts Turn little toward what will right side airframe little outthrust helps keep plane tight lines mark locations four holes mounts Important Re member fuselage upside down mark bolt holes engine off set Drill holes mounts 2-56 x 34-in bolts Bolt engine place bolt heads up plane right-side-up nuts washers will below engine mounts wont poke through nose block its rounded off Install fuel line tank engine plug fuel tank vents tape keep out balsa dust Also wrap engine piece cloth keep clean Bend landing gear 1/16 music wire using true-size layout plan pattern bend gear legs ward shown fuselage side view stall wheels axles secure setscrew wheel collars wash ers epoxied onto axle tips 1%-in wheels lightweight Sig hollow plastic ones Lay upper portion landing gear former F-2 trace outline onto Rout out groove F-2 gear can recessed Lay F-2 board groove up epoxy gear groove being sure gear legs angled upward theyll canted forward after stallation After epoxy set glue F-2 fuselage against back F-i Hold clamp place glue sets Install wing flaps Slide wing through fuselage center theres same amount wing sticking out side fuselage Square wing fuselagethat make sure wing leading edge perpendicular fu selage viewed above Hold square drafting triangle against wing leading edge forward part fu selage ensure right angle youre satisfied wing aligned run bead glue inside outside fuselage wing-fuselage junction bot toms F-3 F-S contact wing Cut out 18 fabric flap hinge strips size shown plan glue flap assembly Also glue flap horn flap joiner strip Slide flap assembly position against wing trailing edge sure control horn sticking up glue free hinge ends wing TE Fin ish wing installation gluing two cutout pieces back fuselage sides gluing formers F-4 F-6 place Cut flap elevator pushrods 1/16 music wire Slide wire keepers pushrods bend right angles ends Install pushrods bellcrank flap horn snap keepers place Wait until elevator installed bend elevator pushrod end Installing pushrods bellcrank bit tedious needle-nose pliers persever ance can done Sheet upper fuselage sections soft 1/16 sheet balsa cut stiff paper pat terns size needed cover upper forward fuselage turtledeck sections transferred patterns sheet balsa Cut balsa little oversize since its lot easier trim shape fill gaps putty Also cut hole nose sheet upper fuel tank vent Install sheet gluing edge upper edge fuselage side soaking sheet water until pliable applying glue formers wrapping sheet over formers Pin sheet edges formers hold position drying bend sheet tail over top F-8 pretty tight keep sheeting splitting use sharp blade lightly score top surface lengthwise few places wraps over F-8 Cut out nose tail blocks soft solid balsa cut %2-in-wide slots tail block vertical horizontal stabilizers Hollow underside nose block clear engine crankcase glue place Cut out install triangular-shaped piece sheet balsa tween rear fuselage sides serve platform attaching stabilizer glue tail block place platform tight against rear F-8 Fill cracks gaps between fu selage top sheets blocks wood fil ler sand blocks proper contour fairing fuselage Continue fill cracks filler sand necessary obtain smooth surface tail surfaces cut %2-in sheet balsa As flaps glue elevators joiner strip pin weight sembly board dry Glue con trol horn joiner strip downwardpointing position shown Cut out 12 fabric hinges attach stabilizer did flaps Position stabilizer glue place fuselage Alignment critical Make sure stabilizer installed parallel wing viewed front rear Also elevator-stabilizer hinge line should parallel wing viewed above good way check align ment measure distance up per wing spar straight back outer tip stabilizer side plane ensure tip isnt cocked forward other 70 Model Aviation PO BOX 3076 OAK RIDGE TN 37830 PHONE 615-482-6188 Glue short length triangular stock un der side stabilizer adjoining fuselage firmly ties stabilizer fuselage adds very little weight Glue vertical stabilizer place making sure absolutely vertical Check square triangle Sheet bottom fuselage sec tions 1/16 balsa grain running crosswise Next glue rudder ver tical stabilizer rear fuse lage Angle slightly provide little right offset Bend tail skid 032 music wire epoxy place Any covering system satisfactory includ ing iron-on variety still prefer silkspan-and-dope route brushed coat Sig fuel-proof clear dope onto wings leading trailing edges center plank ing sanded lightly 400-grit wet-or-dry paper covered wing lightweight silkspan grain running spanwise Dope silkspan leading trailing edges edges wing tips dope silkspan ribsif covering cant adequately move shrinks youll end up sagging covering job After dope dries shrink silkspan spraying lightly water allow ing dry thoroughly dry sanded entire airframe 400-grit wetor-dry paper applied three coats Sig sanding sealer sanding lightly between coats decided nostalgic color scheme overall Sig Diana Cream Stearman Red trim black numerals couple finish coats clear dope would really make shine chose put windshield canopy model certainly could Apply AMA li cense number upper right wing sur face flew Lil Bit Sullivan brand 012in x 35-ft braided lines after carefully checked line pushrod horn connec tions other procedure go through drip Cox fuel through paper coffee filter make sure its super clean Small en gines particularly reed valve variety super-sensitive trashy fuel first takeoff Scott chose full-upelevator catapult shot Tee Dee really wound up swinging Cox 6 x 4 plas tic prop Ace RC 1-in spinner Lil Bit literally jumped off ground headed up up away initial takeoff pretty much wingover lot dancing prancing around out circle until order restored Lil Bit flies exceptionally well though capable skipping through whole pattern suggest place pushrods least sensitive control horn positions until get feel hot little machine hope find Lil Bit much fun have Just remember have fun always fly safely away power lines Bill Materials Sheet Balsa Continued page 174 3 dozen $400 ea 4 dozen $375 ea 5 dozen $360 ea 6 dozen $355 ea Add $400 shipping per order Please send good black white art reproduction Please specify quantity Trans-Cover colors ink color ordering Limit ink color per order Now fliers over world have neat inexpensive functional way protect R/C transmitters dirt dust rain Custom printed club logo Constructed durable canvas lifelong Velcro closure Available red blue green yellow orange black Colors can mixed size fits Send check money order KD GRAPKICS 3315 13th Avenue Columbus Georgia 31904 404/323-2787 9am-Spm EST November 1988 71 U MANS-COVER ey Hal Winters Don Harbin Bert Dugan certainly due thunderous words thanks fine efforts Additional thanks go Ann Underwood keeping up considerable paperwork entering judging scoring contest Stan Alexander causing thing run smoothly As parting note contrast last years con test during scores posted year Cliff Tacie kept everyone instantaneously formed scoring progression printouts desktop computer prompt service much appreciated Cliff added height ened sense awareness competitors ef forts Nats md Duration/Kruse Continued page 62 mm mark 2040 appeared Belieff new winner Stout Indoor trophy no Young Don gone broke last flight model touched floor after flight 2118 just scant minutes before witch ing hour willing let coveted trophy escape Dan Belieff wound quickly haste launch damaged ship Hurried repalrs ef fected ship launched despite dam age course badly Out trim went floor turns still motor Young Don Slusarezyk done As pun dit said upon strolling out auditorium really beyond Belieff wasnt Most within earshot hurried out reply Credit another good Indoor Nats certainly goes contestants put forth best ef forts both helping fellow modelers THE JOURNAL OF THE AIRPLANE 1920 1940 Leo Opdycke Editor competing against Richard Melody Doig also deserve large measure thanks tireless efforts behalf Indoor fliers As long well-run contest can assured certainly can under supervision Doigs Indoor Nats will continue its right ful place prominence Nats Outdoor Scale/Kruse Continued page 65 bunch people flying airplanes must apolo gize being busy flying attempting take needed photos report did get names because fail ure hesitate name anyone fear of fending might missbut know assured work appreciated Johis Guenther Stan Alexander Ann Underwood caused things again run smoothly midst seemingly obligatory site change thanks behalf contestants look forward next year re sumption full slate Free Flight events among Free Flight Scale will still remain favorite Lii Bit/Browns Continued page 71 ll/6 x 4 x 36 softfuselage top & bottom cov ering ribs x 3 x 36 softfuselage sides ribs jig pieces l/32 x 3 x 36 softformers flaps tips tail surfaces Other Balsa 3A x x 36 medwing LE spars stabi ww1 UREIAL OF TIlE EARLY AEROPLANE Kenn Rust Editor WW1 AERO 19001919 SKYWAYS 1920-1940 two Journals contain infornation current proiects orical research news museuns airshows shop notes technical drawings data infornat ion paint color photographs aeroplanes engines parts sale scale nodelling naferial PLUS wants disposals news current publications kinds PLUS nore. Sanple copies $4 Published WORLD WAR 1 L%pt&i INC 15 Crescent Road Pouqhkecpsie NY 12601 USA 914 473-5679 174 Model Aviation THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great perfor mance Thermal Charger fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 VINTAGE -C PLAN 7 SOLIDATED PBY-5A tCATALINA 9FT WING SPAN ALL RIBS 8 FULL FORMERS SHOWN ON PLANS11 PLASrIC ENGCOWLS $1090 PR CLEAR GUN BLISTERS $ 760 PR 4 LARGE PLAN SHEETS s $ 1895 GET WING SPAN MODEL PBY-5A ENGINE COWLS $750 Plans $1495 GUN BLISTERS $ 5 50 PR ADO $300 POSTAGE CAiAL0BOVER 50 PLANS $100 DEALERS WRITE WORLDWIDE SID MORGAN 13157 ORMONO BELLEVILLE 48111 USA lizer braces 2/ x -in softwing TEs 1 x 1 x 4-in soft blocknose & tail blocks Other Wood l%2 x x 19-in hardwood stripflap & eleva tor joiners plywood approx 1 x 7 firewall landing gear bulkhead bellcrank mount 1A x x 13-in hardwoodmotor mounts Other Materials Plans Building board Straight pins Wax paper 1Cox Tee Dee 049 051 engine 1propeller 6 x 4 Cox plastic Top Flite Zinger wood 11-in plastic spinner Ace RC Inc 1-oz wedge fuel tank Perfect #20 /s x 4-in brats tubingtank vent extension leadout guides 2 small plastic flexible fuel line /16 x 28-in music wtrepushrods landing gear 032 x 4-in music wiretailskid 12-in bellcrank mounting hardware Perfect comparable 36-in length braided lead-out line Perfect com parable 1 pairflying wire clips Perfect Du-Bro com parable 1 pair1%-in-dia plastic wheels Sig comparable 1 pair/s-in wheel collars Perfect Du-Bro comparable 42-56 x -in engine mounting bolts locknuts 2small control horns Perfect comparable flaps elevator 4wire pushrod keepers /6-in-dia music wire 48% x -in similar size fabric control surface hinges Aliphatic resin glue Franklin Tite Bond compar able Five-minute epoxy glue Duro comparable Garnet paper 100- 200-grit Norton compa rable Wet-or-dry paper 400-grit 3M comparable 1 sheetlightweight silkspan Fuel-proof dopeSig clear sanding sealer Diana Cream Stearman Red comparable 1-in numerals AMA license number 1 set012-inx 35-ft braided steel flying wire Sul livan comparable 1A control handle Sullivan comparable Cox Super Power Glow Fuel above parts materials should available local hobby shop Theres word some streets supplies Con trol Line models arent available anymore weve found true able secure everything needed build Lil Bit other models Johnny Clemens Hobby Counter Dallas know other shops stock order Control Line supplies So dont accept Geewe cant get anymore cause its just true Control Line alive Sparrow Hawk/ODwyer Continued page 78 Sparrow Hawk flies best four strands 3/6-in rubber Ten grams FM Champion rubber will 78 80 long Wash off powder coats rubber soapy water Use following method tying rubber will never slip Tie single overhand knot close end possible Laying two ends adja cent other tie another overhand knot two strands Use liberal amounts Continued page 178 Finest Kits Youll Ever Buy Build TraIn-Air 20 Train-Air 40 Sport-Air 40 Bel-AIr 40 40 Hydro-Floats rsa eesy handling uperior serobetic modern looking sport exhibition biplane has filled 55, 6 75 lbs 148 185 207-4901M1 Wise & Uastereeu4ed 1 KIT FEATURES Polyester fiberglass fusalage cowling retractable landing 92 wingspan gear Foam cores wing stab Available major production variations F4F-3 -3A -4 FM-i FM-2 Semi-Kit Fusalage cowling foam cores wing stab canopy retractable landing gear plans$27500 Complete Kit Everything listed semi-kit plus wood parts hardware necessary complete kit including 1/64 plywood sheeting wings$45000 Deluxe Kit Complete kit fusalage preassembled $85000 wings stab presheeted control surfaces prebuilt Information Package $100 VISA/MasterCard accepted add $1500 sh pp ng daho es add 5% Sa es tax Classic Glass PO Box 503 Blackfoot Idaho 83221-0503 Mike Zamber 208 785-2309 November 1988 175 fine tine kits ate machine cut sasist building reel show 80 has fully summetricel wing sections gives gresteat potential serobstic er upflght Inverted ship cspsble very slow close-In type flight right up robatic schedule can muster Classic Glass Grumman Wildcat B limEd ATIIE BEST IN ELECTRIC FLIGHT SPECIALIZING IH ASTRO FLIBHT SYSTEM -ENflI 111 ___________________________________________________ 1 I -RRl i 5l 1j CS Flight SgsteNs 31 Perrj Street Hiddlebero M 023483117 Phone 617947-2905 6 9 P H
Edition: Model Aviation - 1988/11
Page Numbers: 66, 67, 68, 69, 70, 71, 174, 175
The long nose moment combined ciassic goiden-age ilnes produces modei thats good iooking good fiying buiit-up fuseiage nice deviation common profile-type smail Stunt models Spectators cant resist commenting its terrific looks THE IDEA Lil Bit originated right after built Hurricane /2A Stunter kit inspiration decided George just ought design build owncant hard reason another idea got shelved went other things past spring however buildanother-model bug bit pretty hard resurrected old idea designing build ing flying original /2A Stunter started project establishing ba sic criteria Lil Bit model would have 1 look like full-size aircraft 2 inexpensive build 3 easy build fly 4 aerobatic capable Stunting two us have aviation buffs years thoroughly enjoy being around both full-size model aircraft description Since partial between-the-wars World War IIvintage birds decided Lil Bit built-up fuselage classic aviation ap pearance pre dictable flying habits make model great addition anybodys collection Control Line sport models should look like 1930s-era sportster chose ze model because knew costs both building flying would held minimum Also no un usual sizes wood pieces hardware required model met goals youve built profile Control Line kit two LII Bit would good first built66 Model Aviation Co-author chief test pilot Scott fuels up model another flight inexpensive construction operation real plus Lil Bit flashes first flights model stable flier capable performing AMA aerobatics maneuvers Left The red cream color scheme authors chose looks great course could pick combination suit taste Right Tee Dee engine runs well inverted since exhaust underneath model stays much cleaner Note amount rudder offset up fuselage takes little time build hollow fuselage certainly isnt diffi cult bill materials end lists everything youll need Weve included some basic information tips concerning construction sequences techniques newcomers course old experienced hands can just forge ahead ol way choose Construction First study plans read text carefully get idea whats done materials youll use Well tackle wing first since its part folks dread wing built directly over plans best done flat work table bench using 2 x 4-ft building board soft enough stick straight pins such Celotex Youll also need sheet wax paper clear plastic wrap Saran Wrap example lay over wing plan finished wing wont glued paper plans used aliphatic resin glue throughout model except two applicationsthe landing gear tail skld installations Its safe nontoxic cleans up water dries quickly inexpensive strong bull Youll know yellow-colored Elmers Carpenters Wood Glue Franidins Tite Bond Sig Bond other brands Re member doesnt take much glue make strong joint As long get thin coating mating surfacesand hold clamp pin parts together glue dryingyour model will strong enough Another product like ZAR Latex Wood Patch marketed United Gilsonite Laboratories Scranton PA out standing wood filler cracks nicks Packaged soft poly tube screw cap spreads extremely well dries quickly sands smooth takes dope found local hardware store have used household repairs well models wing fashioned jig directly over plans ensure strong straight struc ture first step cut out parts jig Trace wing spar jig piece plan onto paper cut out glue onto rectangular piece 1/16 sheet balsa slightly larger jig piece Cut out five rectangles /16 sheet same size Using tiny dabs glue tack glue six rectangular pieces stack like pancakes After glue dries us ing paper pattern glued onto top stack guide cut out six jig pieces once Since wing spar jig pieces must exactly same size shape en sure proper wing alignment its important cut sand carefully Gently split six pieces apart thin knife razor blade voilayou should have six identical wing spar jig pieces stack method cutting out identical parts quick accurate main wing ribs made same way except templates patterns thin sheet aluminum brass plywood cut identical shape size shown plans used Tack glue templates together before cutting out ensure identical Drill two %-in-dia holes each end horizontal slot rib Cut out 12 W-l rectangular wing rib blanks making slightly larger needed Tack glue blanks stack glue dry drill A-in holes through entire stack using holes rib templates drill bit positioning guide Split two rib templates apart sandwich stack blanks between templates bolt whole stack together %-in-dia bolts nuts Saw carve sand stack blanks finished wing ribs using hard templates end guides After final sanding stack remove bolts templates split ribs apart carefully cut out slots center ribs Make up kit balsa sheet wing parts /16 sheet cut out four W-2 wing ribs four wing tip ribs four wing November 1988 67 Sig plastic wheels set far enough forward mat noseovers problem Thats lower tank vent just behind cylinder 1-in Ace spinner wood prop add realism tip gussets %2 sheet cut out two wing tips two flap halves Finally cut flap joiner %2 x 4-in hard wood Put flap parts aside now Begin wing assembly pinning wing plan building board covering wax paper Pin six wing spar jig pieces onto plan standing upright dotted line positions shown square spar slots top Push straight pins angle down through lower portion jig pieces board Two pins inserted side jig should hold securely Cut two 46 x 34-in trailing edge TE strips two A-in-sq spars 4-insq leading edge LE length shown plan spars TE LB strips same length Pin TE strip over TE drawn plan holding straight edge against strip pin down keep lined up Lay 4-in-sq spars jig slots positioning spar ends line up plan jig pieces carefully cut out pinned onto plan spar should lay jig straight arrow Begin gluing main wing ribs W-1 W-2 place Note W-2s center section wing W-ls outboard Squeeze little glue rear edge rib will contact TE also square spar slot press rib place Carefully align rib over plan checking indi vidually after installation small square drafting triangle ensure vertical After main ribs have glued lower spar TB assemble flaps Note joiner strip inset leading edges flap halves Pin flap halves onto wing plan respective positions glue joiner strip place Pin weight entire flap assembly onto board will straight flat glue dries Install control system wing total pull~ flying Control Line model borne control systemthe handle flying wires lead-out lines bellcrank its mounting help ensure long life model safety pilot spectators control system must rigged securely broken dis lodged flying wire lead-out line bellcrank its mount pushrod control horn al always results crash Take time check control system flying wires lead-outs control handle connec tions pushrod connections control horn integrity before flight Attach lead-out lines bellcrank using safe method shown AMA rule book youre newcomer dont know attach lead-outs bellcrank flying wire clips outboard ends lead-outs ask veteran Control Line flier local hobby shop manager help Cut out 1 x 3%-in rectangle A-in plywood bellcrank mounting platform Drill bellcrank mounting bolt hole point shown plan glue mount place ribs W-2 top lower spar Thread free ends lead-out lines through slots ribs left wing Position bellcrank install onto plywood mount according manufacturers instructions Glue upper spar place pinning ribs Bevel mating surfaces both TB strips slightly give flat gluing surface about A-in wide Pin glue upper TE strip ribs lower TB strip rear edges After glue sets remove pins lift wing out jig Remove flap assembly board lay safely aside now wing tips easily installed wing standing end Glue tips outermost ribs making sure theyre lined up parallel wing leading trailing edges Glue wing tip gussets place Cut two /16 brass tubing lead-out guides length slip over outboard ends lead-out lines glue top left wing tip locations shown plan careful slop glue lead-out lines themselves ac cidentally glue guides loca tions lead-out guides will produce enough flying line sweephack keep Lil Bit tight lines Install flying wire clips outboard ends lead-out wires using AMA rule book method Make two lead-out lines near same total length possible Glue tip ribs onto top bottom wing tips tip rib goes top left wing tip will need notches cut sanded its bottom edge fit over tubing lead-out guides Cover top bottom wing center section soft /16 sheet balsa grain running spanwise Cut out pushrod clearance open ing top sheeting sharp knife finish sandpaper Sand wing surfaces 100-grit gar net paper long sanding block use block made 30-in-long perfectly straight 1 x 2-in hard pine Garnet paper strips 100 200 grit adhered narrow edges aerosol contact cement thus providing double-sided sanding block Hold sanding block spanwise wing surface work carefully LB TB back again also spanwise garnet paper cuts fast very careful sand dips flat spots edges ribs Work slowly achieve smooth continuously curving symmetrical wing profile fuselage built sheet parts should cut out advance Cut fire wall landing gear mount bulkhead F-2 A-in plywood Drill hole fire wall fuel tank suction tube other formers cut %2 sheet balsa grain running vertically Fuselage sides cut /6 sheet balsa grain run ning lengthwise choosing wood other materials model pick out straightest flattest also lightest can find except particular parts must sacrifice weight strength Saving weight wherever possible will definitely make difference flight performance 68 Model Aviation Left Cut out sheet parts first make assembly easier Note holes drilled engine mounts lighten ribs left wing panel will notched later allow clearance lead-outs Right completed airframe ready covering Note clearance notch lower nose sheet needle valve Latex wood filler used make wing fillets Lead-out guides made brass tubing Full-Size Plans Available Page 186 liii*1CC SCAR11 II IiUCAO*C CCC iiiI IIll IIIliii IWLII irIIIii r.I 5 II CEVEL MATING SUCTACES ATGM UY-Aij4 L7n CASM— flrTPIAIGUL*C-,r* PS MACC -- ~A-~5CCLEVATACJONCC CI&ATSICLOMIPoIflAU,OC -LUCY ALCASAMOC LOWICARUCCLAOCSDCCCOflONLOSEAMCFUSCLAGCSCCS FOCCASCOOS2MWTALSCD CLX 7CC CCC A4CPCI SLOWSAMAWICACA7UCLEDCOK MAAKPA DULSOFTFLAP INSTALLAflOS CEPLASE /2-A STUNT/SPORT SHIP FOR 0497051 ENGINES Cut out openings wing pushrod exit slot right fuselage side small pieces side just low flap joiner strip Save last two little pieces theyll replaced after flap installation Cut engine mounts 14-in-sq hardwood used hard pine hard wood would OK Drill holes through engine mounts lighten shown plans Carve out notch lefthand mount clearance upper fuel tank vent tube Glue engine mounts place aligning top edges top edges hi selage sides Remember two fuselage sides different Follow plans care fully make sure mounts glued correctly mounts extend way back former F-3 order transfer en gine vibration whole airframe thus help dampen vibration Lay what will right fuselage side down board mount facing up glue firewall formers F-3 F-5 F-l Check form ers square triangle make sure theyre glued perpendicularly side fuel tank must installed now since fuselage literally built around used Perfect brand #204 -oz wedgeshaped stunt tank size tank carries enough fuel get some aerobatics doesnt keep engine running long re ready drop before quits can course use tank narrow enough fit fuselage use Perfect #20 install exactly per plans fuel suction tube will lined up fuel intake Cox Tee Dee 051 50 youll get decent engine run whether model upright inverted upper tank vent tube will have lengthened will stick up out fuselage recommend adding piece same size tubing sleeve next largest size tubing soldered glued around joint Bevel exposed ends tank vent tubes front model flying ram air effect will pressurize tank help fuel flow some what Well likely get arguments some fliers about its 30-year-old habit thats hard break install tank first glue 5-1 rear firewall glue S-2 lower portion F- 1 remember F- 1 hasnt installed yet Now slide ward end tank place within 5-1 against rear firewall poking fuel pickup tube through hole firewall Glue F-l position sliding up tight against rear tank S-2 fits around tanks rear end Youll likely have little filing trimming sand ing both tank saddles since its tight fit After tank firmly place turn fuselage side upside down its rest ing vertically its top edge form ers sticking out side Mark posi tion former remaining side ap ply glue end former press side also turned upside down place against formers Pin side ends formers until dry Bevel inside mating surfaces rear fuse lage ends glue formers F-7 F-8 place Finally glue rear fuselage ends together install formers F-4 F-6 until after wing place Continued page 70 November 1988 69 2L Scotts sister Sara other pilot family Sara has flying since grade school finds Lii Bit great model show off Astounds boys experience Great Performance Quartet DALOTEL 850 SPAN 69 ins WING AREA 830 sq ins CHIPMUNK 850 SPAN 70 insWING AREA 850 sq ins SPAN 76 EXTRA 230 WING AREA 900 sq ins ZLIN 526 SPAN 72 ins WING AREA 900 sq ins series Sport Scale Balsa ARF Airplanes 120-4 cycle equivalent motors See RCHTA Show October 14-16 1988 available direct select hobby shops ZIMPRO MARKETING Power plant little Cox /zA engines incredibly powerful size weight suitable modifications fuselage nose Cox 049 engines could used would haul Lil Bit around just fine However just hap pened have Tee Dee 051 hand literally designed airframe around tank inverted engine appearances sake runs fine way landing gear far enough ward keep glow plug scraping ground case nose-overwhich far hasnt happened fuselage lying upside down hoard position engine mounts Turn little toward what will right side airframe little outthrust helps keep plane tight lines mark locations four holes mounts Important Re member fuselage upside down mark bolt holes engine off set Drill holes mounts 2-56 x 34-in bolts Bolt engine place bolt heads up plane right-side-up nuts washers will below engine mounts wont poke through nose block its rounded off Install fuel line tank engine plug fuel tank vents tape keep out balsa dust Also wrap engine piece cloth keep clean Bend landing gear 1/16 music wire using true-size layout plan pattern bend gear legs ward shown fuselage side view stall wheels axles secure setscrew wheel collars wash ers epoxied onto axle tips 1%-in wheels lightweight Sig hollow plastic ones Lay upper portion landing gear former F-2 trace outline onto Rout out groove F-2 gear can recessed Lay F-2 board groove up epoxy gear groove being sure gear legs angled upward theyll canted forward after stallation After epoxy set glue F-2 fuselage against back F-i Hold clamp place glue sets Install wing flaps Slide wing through fuselage center theres same amount wing sticking out side fuselage Square wing fuselagethat make sure wing leading edge perpendicular fu selage viewed above Hold square drafting triangle against wing leading edge forward part fu selage ensure right angle youre satisfied wing aligned run bead glue inside outside fuselage wing-fuselage junction bot toms F-3 F-S contact wing Cut out 18 fabric flap hinge strips size shown plan glue flap assembly Also glue flap horn flap joiner strip Slide flap assembly position against wing trailing edge sure control horn sticking up glue free hinge ends wing TE Fin ish wing installation gluing two cutout pieces back fuselage sides gluing formers F-4 F-6 place Cut flap elevator pushrods 1/16 music wire Slide wire keepers pushrods bend right angles ends Install pushrods bellcrank flap horn snap keepers place Wait until elevator installed bend elevator pushrod end Installing pushrods bellcrank bit tedious needle-nose pliers persever ance can done Sheet upper fuselage sections soft 1/16 sheet balsa cut stiff paper pat terns size needed cover upper forward fuselage turtledeck sections transferred patterns sheet balsa Cut balsa little oversize since its lot easier trim shape fill gaps putty Also cut hole nose sheet upper fuel tank vent Install sheet gluing edge upper edge fuselage side soaking sheet water until pliable applying glue formers wrapping sheet over formers Pin sheet edges formers hold position drying bend sheet tail over top F-8 pretty tight keep sheeting splitting use sharp blade lightly score top surface lengthwise few places wraps over F-8 Cut out nose tail blocks soft solid balsa cut %2-in-wide slots tail block vertical horizontal stabilizers Hollow underside nose block clear engine crankcase glue place Cut out install triangular-shaped piece sheet balsa tween rear fuselage sides serve platform attaching stabilizer glue tail block place platform tight against rear F-8 Fill cracks gaps between fu selage top sheets blocks wood fil ler sand blocks proper contour fairing fuselage Continue fill cracks filler sand necessary obtain smooth surface tail surfaces cut %2-in sheet balsa As flaps glue elevators joiner strip pin weight sembly board dry Glue con trol horn joiner strip downwardpointing position shown Cut out 12 fabric hinges attach stabilizer did flaps Position stabilizer glue place fuselage Alignment critical Make sure stabilizer installed parallel wing viewed front rear Also elevator-stabilizer hinge line should parallel wing viewed above good way check align ment measure distance up per wing spar straight back outer tip stabilizer side plane ensure tip isnt cocked forward other 70 Model Aviation PO BOX 3076 OAK RIDGE TN 37830 PHONE 615-482-6188 Glue short length triangular stock un der side stabilizer adjoining fuselage firmly ties stabilizer fuselage adds very little weight Glue vertical stabilizer place making sure absolutely vertical Check square triangle Sheet bottom fuselage sec tions 1/16 balsa grain running crosswise Next glue rudder ver tical stabilizer rear fuse lage Angle slightly provide little right offset Bend tail skid 032 music wire epoxy place Any covering system satisfactory includ ing iron-on variety still prefer silkspan-and-dope route brushed coat Sig fuel-proof clear dope onto wings leading trailing edges center plank ing sanded lightly 400-grit wet-or-dry paper covered wing lightweight silkspan grain running spanwise Dope silkspan leading trailing edges edges wing tips dope silkspan ribsif covering cant adequately move shrinks youll end up sagging covering job After dope dries shrink silkspan spraying lightly water allow ing dry thoroughly dry sanded entire airframe 400-grit wetor-dry paper applied three coats Sig sanding sealer sanding lightly between coats decided nostalgic color scheme overall Sig Diana Cream Stearman Red trim black numerals couple finish coats clear dope would really make shine chose put windshield canopy model certainly could Apply AMA li cense number upper right wing sur face flew Lil Bit Sullivan brand 012in x 35-ft braided lines after carefully checked line pushrod horn connec tions other procedure go through drip Cox fuel through paper coffee filter make sure its super clean Small en gines particularly reed valve variety super-sensitive trashy fuel first takeoff Scott chose full-upelevator catapult shot Tee Dee really wound up swinging Cox 6 x 4 plas tic prop Ace RC 1-in spinner Lil Bit literally jumped off ground headed up up away initial takeoff pretty much wingover lot dancing prancing around out circle until order restored Lil Bit flies exceptionally well though capable skipping through whole pattern suggest place pushrods least sensitive control horn positions until get feel hot little machine hope find Lil Bit much fun have Just remember have fun always fly safely away power lines Bill Materials Sheet Balsa Continued page 174 3 dozen $400 ea 4 dozen $375 ea 5 dozen $360 ea 6 dozen $355 ea Add $400 shipping per order Please send good black white art reproduction Please specify quantity Trans-Cover colors ink color ordering Limit ink color per order Now fliers over world have neat inexpensive functional way protect R/C transmitters dirt dust rain Custom printed club logo Constructed durable canvas lifelong Velcro closure Available red blue green yellow orange black Colors can mixed size fits Send check money order KD GRAPKICS 3315 13th Avenue Columbus Georgia 31904 404/323-2787 9am-Spm EST November 1988 71 U MANS-COVER ey Hal Winters Don Harbin Bert Dugan certainly due thunderous words thanks fine efforts Additional thanks go Ann Underwood keeping up considerable paperwork entering judging scoring contest Stan Alexander causing thing run smoothly As parting note contrast last years con test during scores posted year Cliff Tacie kept everyone instantaneously formed scoring progression printouts desktop computer prompt service much appreciated Cliff added height ened sense awareness competitors ef forts Nats md Duration/Kruse Continued page 62 mm mark 2040 appeared Belieff new winner Stout Indoor trophy no Young Don gone broke last flight model touched floor after flight 2118 just scant minutes before witch ing hour willing let coveted trophy escape Dan Belieff wound quickly haste launch damaged ship Hurried repalrs ef fected ship launched despite dam age course badly Out trim went floor turns still motor Young Don Slusarezyk done As pun dit said upon strolling out auditorium really beyond Belieff wasnt Most within earshot hurried out reply Credit another good Indoor Nats certainly goes contestants put forth best ef forts both helping fellow modelers THE JOURNAL OF THE AIRPLANE 1920 1940 Leo Opdycke Editor competing against Richard Melody Doig also deserve large measure thanks tireless efforts behalf Indoor fliers As long well-run contest can assured certainly can under supervision Doigs Indoor Nats will continue its right ful place prominence Nats Outdoor Scale/Kruse Continued page 65 bunch people flying airplanes must apolo gize being busy flying attempting take needed photos report did get names because fail ure hesitate name anyone fear of fending might missbut know assured work appreciated Johis Guenther Stan Alexander Ann Underwood caused things again run smoothly midst seemingly obligatory site change thanks behalf contestants look forward next year re sumption full slate Free Flight events among Free Flight Scale will still remain favorite Lii Bit/Browns Continued page 71 ll/6 x 4 x 36 softfuselage top & bottom cov ering ribs x 3 x 36 softfuselage sides ribs jig pieces l/32 x 3 x 36 softformers flaps tips tail surfaces Other Balsa 3A x x 36 medwing LE spars stabi ww1 UREIAL OF TIlE EARLY AEROPLANE Kenn Rust Editor WW1 AERO 19001919 SKYWAYS 1920-1940 two Journals contain infornation current proiects orical research news museuns airshows shop notes technical drawings data infornat ion paint color photographs aeroplanes engines parts sale scale nodelling naferial PLUS wants disposals news current publications kinds PLUS nore. Sanple copies $4 Published WORLD WAR 1 L%pt&i INC 15 Crescent Road Pouqhkecpsie NY 12601 USA 914 473-5679 174 Model Aviation THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great perfor mance Thermal Charger fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 VINTAGE -C PLAN 7 SOLIDATED PBY-5A tCATALINA 9FT WING SPAN ALL RIBS 8 FULL FORMERS SHOWN ON PLANS11 PLASrIC ENGCOWLS $1090 PR CLEAR GUN BLISTERS $ 760 PR 4 LARGE PLAN SHEETS s $ 1895 GET WING SPAN MODEL PBY-5A ENGINE COWLS $750 Plans $1495 GUN BLISTERS $ 5 50 PR ADO $300 POSTAGE CAiAL0BOVER 50 PLANS $100 DEALERS WRITE WORLDWIDE SID MORGAN 13157 ORMONO BELLEVILLE 48111 USA lizer braces 2/ x -in softwing TEs 1 x 1 x 4-in soft blocknose & tail blocks Other Wood l%2 x x 19-in hardwood stripflap & eleva tor joiners plywood approx 1 x 7 firewall landing gear bulkhead bellcrank mount 1A x x 13-in hardwoodmotor mounts Other Materials Plans Building board Straight pins Wax paper 1Cox Tee Dee 049 051 engine 1propeller 6 x 4 Cox plastic Top Flite Zinger wood 11-in plastic spinner Ace RC Inc 1-oz wedge fuel tank Perfect #20 /s x 4-in brats tubingtank vent extension leadout guides 2 small plastic flexible fuel line /16 x 28-in music wtrepushrods landing gear 032 x 4-in music wiretailskid 12-in bellcrank mounting hardware Perfect comparable 36-in length braided lead-out line Perfect com parable 1 pairflying wire clips Perfect Du-Bro com parable 1 pair1%-in-dia plastic wheels Sig comparable 1 pair/s-in wheel collars Perfect Du-Bro comparable 42-56 x -in engine mounting bolts locknuts 2small control horns Perfect comparable flaps elevator 4wire pushrod keepers /6-in-dia music wire 48% x -in similar size fabric control surface hinges Aliphatic resin glue Franklin Tite Bond compar able Five-minute epoxy glue Duro comparable Garnet paper 100- 200-grit Norton compa rable Wet-or-dry paper 400-grit 3M comparable 1 sheetlightweight silkspan Fuel-proof dopeSig clear sanding sealer Diana Cream Stearman Red comparable 1-in numerals AMA license number 1 set012-inx 35-ft braided steel flying wire Sul livan comparable 1A control handle Sullivan comparable Cox Super Power Glow Fuel above parts materials should available local hobby shop Theres word some streets supplies Con trol Line models arent available anymore weve found true able secure everything needed build Lil Bit other models Johnny Clemens Hobby Counter Dallas know other shops stock order Control Line supplies So dont accept Geewe cant get anymore cause its just true Control Line alive Sparrow Hawk/ODwyer Continued page 78 Sparrow Hawk flies best four strands 3/6-in rubber Ten grams FM Champion rubber will 78 80 long Wash off powder coats rubber soapy water Use following method tying rubber will never slip Tie single overhand knot close end possible Laying two ends adja cent other tie another overhand knot two strands Use liberal amounts Continued page 178 Finest Kits Youll Ever Buy Build TraIn-Air 20 Train-Air 40 Sport-Air 40 Bel-AIr 40 40 Hydro-Floats rsa eesy handling uperior serobetic modern looking sport exhibition biplane has filled 55, 6 75 lbs 148 185 207-4901M1 Wise & Uastereeu4ed 1 KIT FEATURES Polyester fiberglass fusalage cowling retractable landing 92 wingspan gear Foam cores wing stab Available major production variations F4F-3 -3A -4 FM-i FM-2 Semi-Kit Fusalage cowling foam cores wing stab canopy retractable landing gear plans$27500 Complete Kit Everything listed semi-kit plus wood parts hardware necessary complete kit including 1/64 plywood sheeting wings$45000 Deluxe Kit Complete kit fusalage preassembled $85000 wings stab presheeted control surfaces prebuilt Information Package $100 VISA/MasterCard accepted add $1500 sh pp ng daho es add 5% Sa es tax Classic Glass PO Box 503 Blackfoot Idaho 83221-0503 Mike Zamber 208 785-2309 November 1988 175 fine tine kits ate machine cut sasist building reel show 80 has fully summetricel wing sections gives gresteat potential serobstic er upflght Inverted ship cspsble very slow close-In type flight right up robatic schedule can muster Classic Glass Grumman Wildcat B limEd ATIIE BEST IN ELECTRIC FLIGHT SPECIALIZING IH ASTRO FLIBHT SYSTEM -ENflI 111 ___________________________________________________ 1 I -RRl i 5l 1j CS Flight SgsteNs 31 Perrj Street Hiddlebero M 023483117 Phone 617947-2905 6 9 P H
Edition: Model Aviation - 1988/11
Page Numbers: 66, 67, 68, 69, 70, 71, 174, 175
The long nose moment combined ciassic goiden-age ilnes produces modei thats good iooking good fiying buiit-up fuseiage nice deviation common profile-type smail Stunt models Spectators cant resist commenting its terrific looks THE IDEA Lil Bit originated right after built Hurricane /2A Stunter kit inspiration decided George just ought design build owncant hard reason another idea got shelved went other things past spring however buildanother-model bug bit pretty hard resurrected old idea designing build ing flying original /2A Stunter started project establishing ba sic criteria Lil Bit model would have 1 look like full-size aircraft 2 inexpensive build 3 easy build fly 4 aerobatic capable Stunting two us have aviation buffs years thoroughly enjoy being around both full-size model aircraft description Since partial between-the-wars World War IIvintage birds decided Lil Bit built-up fuselage classic aviation ap pearance pre dictable flying habits make model great addition anybodys collection Control Line sport models should look like 1930s-era sportster chose ze model because knew costs both building flying would held minimum Also no un usual sizes wood pieces hardware required model met goals youve built profile Control Line kit two LII Bit would good first built66 Model Aviation Co-author chief test pilot Scott fuels up model another flight inexpensive construction operation real plus Lil Bit flashes first flights model stable flier capable performing AMA aerobatics maneuvers Left The red cream color scheme authors chose looks great course could pick combination suit taste Right Tee Dee engine runs well inverted since exhaust underneath model stays much cleaner Note amount rudder offset up fuselage takes little time build hollow fuselage certainly isnt diffi cult bill materials end lists everything youll need Weve included some basic information tips concerning construction sequences techniques newcomers course old experienced hands can just forge ahead ol way choose Construction First study plans read text carefully get idea whats done materials youll use Well tackle wing first since its part folks dread wing built directly over plans best done flat work table bench using 2 x 4-ft building board soft enough stick straight pins such Celotex Youll also need sheet wax paper clear plastic wrap Saran Wrap example lay over wing plan finished wing wont glued paper plans used aliphatic resin glue throughout model except two applicationsthe landing gear tail skld installations Its safe nontoxic cleans up water dries quickly inexpensive strong bull Youll know yellow-colored Elmers Carpenters Wood Glue Franidins Tite Bond Sig Bond other brands Re member doesnt take much glue make strong joint As long get thin coating mating surfacesand hold clamp pin parts together glue dryingyour model will strong enough Another product like ZAR Latex Wood Patch marketed United Gilsonite Laboratories Scranton PA out standing wood filler cracks nicks Packaged soft poly tube screw cap spreads extremely well dries quickly sands smooth takes dope found local hardware store have used household repairs well models wing fashioned jig directly over plans ensure strong straight struc ture first step cut out parts jig Trace wing spar jig piece plan onto paper cut out glue onto rectangular piece 1/16 sheet balsa slightly larger jig piece Cut out five rectangles /16 sheet same size Using tiny dabs glue tack glue six rectangular pieces stack like pancakes After glue dries us ing paper pattern glued onto top stack guide cut out six jig pieces once Since wing spar jig pieces must exactly same size shape en sure proper wing alignment its important cut sand carefully Gently split six pieces apart thin knife razor blade voilayou should have six identical wing spar jig pieces stack method cutting out identical parts quick accurate main wing ribs made same way except templates patterns thin sheet aluminum brass plywood cut identical shape size shown plans used Tack glue templates together before cutting out ensure identical Drill two %-in-dia holes each end horizontal slot rib Cut out 12 W-l rectangular wing rib blanks making slightly larger needed Tack glue blanks stack glue dry drill A-in holes through entire stack using holes rib templates drill bit positioning guide Split two rib templates apart sandwich stack blanks between templates bolt whole stack together %-in-dia bolts nuts Saw carve sand stack blanks finished wing ribs using hard templates end guides After final sanding stack remove bolts templates split ribs apart carefully cut out slots center ribs Make up kit balsa sheet wing parts /16 sheet cut out four W-2 wing ribs four wing tip ribs four wing November 1988 67 Sig plastic wheels set far enough forward mat noseovers problem Thats lower tank vent just behind cylinder 1-in Ace spinner wood prop add realism tip gussets %2 sheet cut out two wing tips two flap halves Finally cut flap joiner %2 x 4-in hard wood Put flap parts aside now Begin wing assembly pinning wing plan building board covering wax paper Pin six wing spar jig pieces onto plan standing upright dotted line positions shown square spar slots top Push straight pins angle down through lower portion jig pieces board Two pins inserted side jig should hold securely Cut two 46 x 34-in trailing edge TE strips two A-in-sq spars 4-insq leading edge LE length shown plan spars TE LB strips same length Pin TE strip over TE drawn plan holding straight edge against strip pin down keep lined up Lay 4-in-sq spars jig slots positioning spar ends line up plan jig pieces carefully cut out pinned onto plan spar should lay jig straight arrow Begin gluing main wing ribs W-1 W-2 place Note W-2s center section wing W-ls outboard Squeeze little glue rear edge rib will contact TE also square spar slot press rib place Carefully align rib over plan checking indi vidually after installation small square drafting triangle ensure vertical After main ribs have glued lower spar TB assemble flaps Note joiner strip inset leading edges flap halves Pin flap halves onto wing plan respective positions glue joiner strip place Pin weight entire flap assembly onto board will straight flat glue dries Install control system wing total pull~ flying Control Line model borne control systemthe handle flying wires lead-out lines bellcrank its mounting help ensure long life model safety pilot spectators control system must rigged securely broken dis lodged flying wire lead-out line bellcrank its mount pushrod control horn al always results crash Take time check control system flying wires lead-outs control handle connec tions pushrod connections control horn integrity before flight Attach lead-out lines bellcrank using safe method shown AMA rule book youre newcomer dont know attach lead-outs bellcrank flying wire clips outboard ends lead-outs ask veteran Control Line flier local hobby shop manager help Cut out 1 x 3%-in rectangle A-in plywood bellcrank mounting platform Drill bellcrank mounting bolt hole point shown plan glue mount place ribs W-2 top lower spar Thread free ends lead-out lines through slots ribs left wing Position bellcrank install onto plywood mount according manufacturers instructions Glue upper spar place pinning ribs Bevel mating surfaces both TB strips slightly give flat gluing surface about A-in wide Pin glue upper TE strip ribs lower TB strip rear edges After glue sets remove pins lift wing out jig Remove flap assembly board lay safely aside now wing tips easily installed wing standing end Glue tips outermost ribs making sure theyre lined up parallel wing leading trailing edges Glue wing tip gussets place Cut two /16 brass tubing lead-out guides length slip over outboard ends lead-out lines glue top left wing tip locations shown plan careful slop glue lead-out lines themselves ac cidentally glue guides loca tions lead-out guides will produce enough flying line sweephack keep Lil Bit tight lines Install flying wire clips outboard ends lead-out wires using AMA rule book method Make two lead-out lines near same total length possible Glue tip ribs onto top bottom wing tips tip rib goes top left wing tip will need notches cut sanded its bottom edge fit over tubing lead-out guides Cover top bottom wing center section soft /16 sheet balsa grain running spanwise Cut out pushrod clearance open ing top sheeting sharp knife finish sandpaper Sand wing surfaces 100-grit gar net paper long sanding block use block made 30-in-long perfectly straight 1 x 2-in hard pine Garnet paper strips 100 200 grit adhered narrow edges aerosol contact cement thus providing double-sided sanding block Hold sanding block spanwise wing surface work carefully LB TB back again also spanwise garnet paper cuts fast very careful sand dips flat spots edges ribs Work slowly achieve smooth continuously curving symmetrical wing profile fuselage built sheet parts should cut out advance Cut fire wall landing gear mount bulkhead F-2 A-in plywood Drill hole fire wall fuel tank suction tube other formers cut %2 sheet balsa grain running vertically Fuselage sides cut /6 sheet balsa grain run ning lengthwise choosing wood other materials model pick out straightest flattest also lightest can find except particular parts must sacrifice weight strength Saving weight wherever possible will definitely make difference flight performance 68 Model Aviation Left Cut out sheet parts first make assembly easier Note holes drilled engine mounts lighten ribs left wing panel will notched later allow clearance lead-outs Right completed airframe ready covering Note clearance notch lower nose sheet needle valve Latex wood filler used make wing fillets Lead-out guides made brass tubing Full-Size Plans Available Page 186 liii*1CC SCAR11 II IiUCAO*C CCC iiiI IIll IIIliii IWLII irIIIii r.I 5 II CEVEL MATING SUCTACES ATGM UY-Aij4 L7n CASM— flrTPIAIGUL*C-,r* PS MACC -- ~A-~5CCLEVATACJONCC CI&ATSICLOMIPoIflAU,OC -LUCY ALCASAMOC LOWICARUCCLAOCSDCCCOflONLOSEAMCFUSCLAGCSCCS FOCCASCOOS2MWTALSCD CLX 7CC CCC A4CPCI SLOWSAMAWICACA7UCLEDCOK MAAKPA DULSOFTFLAP INSTALLAflOS CEPLASE /2-A STUNT/SPORT SHIP FOR 0497051 ENGINES Cut out openings wing pushrod exit slot right fuselage side small pieces side just low flap joiner strip Save last two little pieces theyll replaced after flap installation Cut engine mounts 14-in-sq hardwood used hard pine hard wood would OK Drill holes through engine mounts lighten shown plans Carve out notch lefthand mount clearance upper fuel tank vent tube Glue engine mounts place aligning top edges top edges hi selage sides Remember two fuselage sides different Follow plans care fully make sure mounts glued correctly mounts extend way back former F-3 order transfer en gine vibration whole airframe thus help dampen vibration Lay what will right fuselage side down board mount facing up glue firewall formers F-3 F-5 F-l Check form ers square triangle make sure theyre glued perpendicularly side fuel tank must installed now since fuselage literally built around used Perfect brand #204 -oz wedgeshaped stunt tank size tank carries enough fuel get some aerobatics doesnt keep engine running long re ready drop before quits can course use tank narrow enough fit fuselage use Perfect #20 install exactly per plans fuel suction tube will lined up fuel intake Cox Tee Dee 051 50 youll get decent engine run whether model upright inverted upper tank vent tube will have lengthened will stick up out fuselage recommend adding piece same size tubing sleeve next largest size tubing soldered glued around joint Bevel exposed ends tank vent tubes front model flying ram air effect will pressurize tank help fuel flow some what Well likely get arguments some fliers about its 30-year-old habit thats hard break install tank first glue 5-1 rear firewall glue S-2 lower portion F- 1 remember F- 1 hasnt installed yet Now slide ward end tank place within 5-1 against rear firewall poking fuel pickup tube through hole firewall Glue F-l position sliding up tight against rear tank S-2 fits around tanks rear end Youll likely have little filing trimming sand ing both tank saddles since its tight fit After tank firmly place turn fuselage side upside down its rest ing vertically its top edge form ers sticking out side Mark posi tion former remaining side ap ply glue end former press side also turned upside down place against formers Pin side ends formers until dry Bevel inside mating surfaces rear fuse lage ends glue formers F-7 F-8 place Finally glue rear fuselage ends together install formers F-4 F-6 until after wing place Continued page 70 November 1988 69 2L Scotts sister Sara other pilot family Sara has flying since grade school finds Lii Bit great model show off Astounds boys experience Great Performance Quartet DALOTEL 850 SPAN 69 ins WING AREA 830 sq ins CHIPMUNK 850 SPAN 70 insWING AREA 850 sq ins SPAN 76 EXTRA 230 WING AREA 900 sq ins ZLIN 526 SPAN 72 ins WING AREA 900 sq ins series Sport Scale Balsa ARF Airplanes 120-4 cycle equivalent motors See RCHTA Show October 14-16 1988 available direct select hobby shops ZIMPRO MARKETING Power plant little Cox /zA engines incredibly powerful size weight suitable modifications fuselage nose Cox 049 engines could used would haul Lil Bit around just fine However just hap pened have Tee Dee 051 hand literally designed airframe around tank inverted engine appearances sake runs fine way landing gear far enough ward keep glow plug scraping ground case nose-overwhich far hasnt happened fuselage lying upside down hoard position engine mounts Turn little toward what will right side airframe little outthrust helps keep plane tight lines mark locations four holes mounts Important Re member fuselage upside down mark bolt holes engine off set Drill holes mounts 2-56 x 34-in bolts Bolt engine place bolt heads up plane right-side-up nuts washers will below engine mounts wont poke through nose block its rounded off Install fuel line tank engine plug fuel tank vents tape keep out balsa dust Also wrap engine piece cloth keep clean Bend landing gear 1/16 music wire using true-size layout plan pattern bend gear legs ward shown fuselage side view stall wheels axles secure setscrew wheel collars wash ers epoxied onto axle tips 1%-in wheels lightweight Sig hollow plastic ones Lay upper portion landing gear former F-2 trace outline onto Rout out groove F-2 gear can recessed Lay F-2 board groove up epoxy gear groove being sure gear legs angled upward theyll canted forward after stallation After epoxy set glue F-2 fuselage against back F-i Hold clamp place glue sets Install wing flaps Slide wing through fuselage center theres same amount wing sticking out side fuselage Square wing fuselagethat make sure wing leading edge perpendicular fu selage viewed above Hold square drafting triangle against wing leading edge forward part fu selage ensure right angle youre satisfied wing aligned run bead glue inside outside fuselage wing-fuselage junction bot toms F-3 F-S contact wing Cut out 18 fabric flap hinge strips size shown plan glue flap assembly Also glue flap horn flap joiner strip Slide flap assembly position against wing trailing edge sure control horn sticking up glue free hinge ends wing TE Fin ish wing installation gluing two cutout pieces back fuselage sides gluing formers F-4 F-6 place Cut flap elevator pushrods 1/16 music wire Slide wire keepers pushrods bend right angles ends Install pushrods bellcrank flap horn snap keepers place Wait until elevator installed bend elevator pushrod end Installing pushrods bellcrank bit tedious needle-nose pliers persever ance can done Sheet upper fuselage sections soft 1/16 sheet balsa cut stiff paper pat terns size needed cover upper forward fuselage turtledeck sections transferred patterns sheet balsa Cut balsa little oversize since its lot easier trim shape fill gaps putty Also cut hole nose sheet upper fuel tank vent Install sheet gluing edge upper edge fuselage side soaking sheet water until pliable applying glue formers wrapping sheet over formers Pin sheet edges formers hold position drying bend sheet tail over top F-8 pretty tight keep sheeting splitting use sharp blade lightly score top surface lengthwise few places wraps over F-8 Cut out nose tail blocks soft solid balsa cut %2-in-wide slots tail block vertical horizontal stabilizers Hollow underside nose block clear engine crankcase glue place Cut out install triangular-shaped piece sheet balsa tween rear fuselage sides serve platform attaching stabilizer glue tail block place platform tight against rear F-8 Fill cracks gaps between fu selage top sheets blocks wood fil ler sand blocks proper contour fairing fuselage Continue fill cracks filler sand necessary obtain smooth surface tail surfaces cut %2-in sheet balsa As flaps glue elevators joiner strip pin weight sembly board dry Glue con trol horn joiner strip downwardpointing position shown Cut out 12 fabric hinges attach stabilizer did flaps Position stabilizer glue place fuselage Alignment critical Make sure stabilizer installed parallel wing viewed front rear Also elevator-stabilizer hinge line should parallel wing viewed above good way check align ment measure distance up per wing spar straight back outer tip stabilizer side plane ensure tip isnt cocked forward other 70 Model Aviation PO BOX 3076 OAK RIDGE TN 37830 PHONE 615-482-6188 Glue short length triangular stock un der side stabilizer adjoining fuselage firmly ties stabilizer fuselage adds very little weight Glue vertical stabilizer place making sure absolutely vertical Check square triangle Sheet bottom fuselage sec tions 1/16 balsa grain running crosswise Next glue rudder ver tical stabilizer rear fuse lage Angle slightly provide little right offset Bend tail skid 032 music wire epoxy place Any covering system satisfactory includ ing iron-on variety still prefer silkspan-and-dope route brushed coat Sig fuel-proof clear dope onto wings leading trailing edges center plank ing sanded lightly 400-grit wet-or-dry paper covered wing lightweight silkspan grain running spanwise Dope silkspan leading trailing edges edges wing tips dope silkspan ribsif covering cant adequately move shrinks youll end up sagging covering job After dope dries shrink silkspan spraying lightly water allow ing dry thoroughly dry sanded entire airframe 400-grit wetor-dry paper applied three coats Sig sanding sealer sanding lightly between coats decided nostalgic color scheme overall Sig Diana Cream Stearman Red trim black numerals couple finish coats clear dope would really make shine chose put windshield canopy model certainly could Apply AMA li cense number upper right wing sur face flew Lil Bit Sullivan brand 012in x 35-ft braided lines after carefully checked line pushrod horn connec tions other procedure go through drip Cox fuel through paper coffee filter make sure its super clean Small en gines particularly reed valve variety super-sensitive trashy fuel first takeoff Scott chose full-upelevator catapult shot Tee Dee really wound up swinging Cox 6 x 4 plas tic prop Ace RC 1-in spinner Lil Bit literally jumped off ground headed up up away initial takeoff pretty much wingover lot dancing prancing around out circle until order restored Lil Bit flies exceptionally well though capable skipping through whole pattern suggest place pushrods least sensitive control horn positions until get feel hot little machine hope find Lil Bit much fun have Just remember have fun always fly safely away power lines Bill Materials Sheet Balsa Continued page 174 3 dozen $400 ea 4 dozen $375 ea 5 dozen $360 ea 6 dozen $355 ea Add $400 shipping per order Please send good black white art reproduction Please specify quantity Trans-Cover colors ink color ordering Limit ink color per order Now fliers over world have neat inexpensive functional way protect R/C transmitters dirt dust rain Custom printed club logo Constructed durable canvas lifelong Velcro closure Available red blue green yellow orange black Colors can mixed size fits Send check money order KD GRAPKICS 3315 13th Avenue Columbus Georgia 31904 404/323-2787 9am-Spm EST November 1988 71 U MANS-COVER ey Hal Winters Don Harbin Bert Dugan certainly due thunderous words thanks fine efforts Additional thanks go Ann Underwood keeping up considerable paperwork entering judging scoring contest Stan Alexander causing thing run smoothly As parting note contrast last years con test during scores posted year Cliff Tacie kept everyone instantaneously formed scoring progression printouts desktop computer prompt service much appreciated Cliff added height ened sense awareness competitors ef forts Nats md Duration/Kruse Continued page 62 mm mark 2040 appeared Belieff new winner Stout Indoor trophy no Young Don gone broke last flight model touched floor after flight 2118 just scant minutes before witch ing hour willing let coveted trophy escape Dan Belieff wound quickly haste launch damaged ship Hurried repalrs ef fected ship launched despite dam age course badly Out trim went floor turns still motor Young Don Slusarezyk done As pun dit said upon strolling out auditorium really beyond Belieff wasnt Most within earshot hurried out reply Credit another good Indoor Nats certainly goes contestants put forth best ef forts both helping fellow modelers THE JOURNAL OF THE AIRPLANE 1920 1940 Leo Opdycke Editor competing against Richard Melody Doig also deserve large measure thanks tireless efforts behalf Indoor fliers As long well-run contest can assured certainly can under supervision Doigs Indoor Nats will continue its right ful place prominence Nats Outdoor Scale/Kruse Continued page 65 bunch people flying airplanes must apolo gize being busy flying attempting take needed photos report did get names because fail ure hesitate name anyone fear of fending might missbut know assured work appreciated Johis Guenther Stan Alexander Ann Underwood caused things again run smoothly midst seemingly obligatory site change thanks behalf contestants look forward next year re sumption full slate Free Flight events among Free Flight Scale will still remain favorite Lii Bit/Browns Continued page 71 ll/6 x 4 x 36 softfuselage top & bottom cov ering ribs x 3 x 36 softfuselage sides ribs jig pieces l/32 x 3 x 36 softformers flaps tips tail surfaces Other Balsa 3A x x 36 medwing LE spars stabi ww1 UREIAL OF TIlE EARLY AEROPLANE Kenn Rust Editor WW1 AERO 19001919 SKYWAYS 1920-1940 two Journals contain infornation current proiects orical research news museuns airshows shop notes technical drawings data infornat ion paint color photographs aeroplanes engines parts sale scale nodelling naferial PLUS wants disposals news current publications kinds PLUS nore. Sanple copies $4 Published WORLD WAR 1 L%pt&i INC 15 Crescent Road Pouqhkecpsie NY 12601 USA 914 473-5679 174 Model Aviation THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great perfor mance Thermal Charger fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 VINTAGE -C PLAN 7 SOLIDATED PBY-5A tCATALINA 9FT WING SPAN ALL RIBS 8 FULL FORMERS SHOWN ON PLANS11 PLASrIC ENGCOWLS $1090 PR CLEAR GUN BLISTERS $ 760 PR 4 LARGE PLAN SHEETS s $ 1895 GET WING SPAN MODEL PBY-5A ENGINE COWLS $750 Plans $1495 GUN BLISTERS $ 5 50 PR ADO $300 POSTAGE CAiAL0BOVER 50 PLANS $100 DEALERS WRITE WORLDWIDE SID MORGAN 13157 ORMONO BELLEVILLE 48111 USA lizer braces 2/ x -in softwing TEs 1 x 1 x 4-in soft blocknose & tail blocks Other Wood l%2 x x 19-in hardwood stripflap & eleva tor joiners plywood approx 1 x 7 firewall landing gear bulkhead bellcrank mount 1A x x 13-in hardwoodmotor mounts Other Materials Plans Building board Straight pins Wax paper 1Cox Tee Dee 049 051 engine 1propeller 6 x 4 Cox plastic Top Flite Zinger wood 11-in plastic spinner Ace RC Inc 1-oz wedge fuel tank Perfect #20 /s x 4-in brats tubingtank vent extension leadout guides 2 small plastic flexible fuel line /16 x 28-in music wtrepushrods landing gear 032 x 4-in music wiretailskid 12-in bellcrank mounting hardware Perfect comparable 36-in length braided lead-out line Perfect com parable 1 pairflying wire clips Perfect Du-Bro com parable 1 pair1%-in-dia plastic wheels Sig comparable 1 pair/s-in wheel collars Perfect Du-Bro comparable 42-56 x -in engine mounting bolts locknuts 2small control horns Perfect comparable flaps elevator 4wire pushrod keepers /6-in-dia music wire 48% x -in similar size fabric control surface hinges Aliphatic resin glue Franklin Tite Bond compar able Five-minute epoxy glue Duro comparable Garnet paper 100- 200-grit Norton compa rable Wet-or-dry paper 400-grit 3M comparable 1 sheetlightweight silkspan Fuel-proof dopeSig clear sanding sealer Diana Cream Stearman Red comparable 1-in numerals AMA license number 1 set012-inx 35-ft braided steel flying wire Sul livan comparable 1A control handle Sullivan comparable Cox Super Power Glow Fuel above parts materials should available local hobby shop Theres word some streets supplies Con trol Line models arent available anymore weve found true able secure everything needed build Lil Bit other models Johnny Clemens Hobby Counter Dallas know other shops stock order Control Line supplies So dont accept Geewe cant get anymore cause its just true Control Line alive Sparrow Hawk/ODwyer Continued page 78 Sparrow Hawk flies best four strands 3/6-in rubber Ten grams FM Champion rubber will 78 80 long Wash off powder coats rubber soapy water Use following method tying rubber will never slip Tie single overhand knot close end possible Laying two ends adja cent other tie another overhand knot two strands Use liberal amounts Continued page 178 Finest Kits Youll Ever Buy Build TraIn-Air 20 Train-Air 40 Sport-Air 40 Bel-AIr 40 40 Hydro-Floats rsa eesy handling uperior serobetic modern looking sport exhibition biplane has filled 55, 6 75 lbs 148 185 207-4901M1 Wise & Uastereeu4ed 1 KIT FEATURES Polyester fiberglass fusalage cowling retractable landing 92 wingspan gear Foam cores wing stab Available major production variations F4F-3 -3A -4 FM-i FM-2 Semi-Kit Fusalage cowling foam cores wing stab canopy retractable landing gear plans$27500 Complete Kit Everything listed semi-kit plus wood parts hardware necessary complete kit including 1/64 plywood sheeting wings$45000 Deluxe Kit Complete kit fusalage preassembled $85000 wings stab presheeted control surfaces prebuilt Information Package $100 VISA/MasterCard accepted add $1500 sh pp ng daho es add 5% Sa es tax Classic Glass PO Box 503 Blackfoot Idaho 83221-0503 Mike Zamber 208 785-2309 November 1988 175 fine tine kits ate machine cut sasist building reel show 80 has fully summetricel wing sections gives gresteat potential serobstic er upflght Inverted ship cspsble very slow close-In type flight right up robatic schedule can muster Classic Glass Grumman Wildcat B limEd ATIIE BEST IN ELECTRIC FLIGHT SPECIALIZING IH ASTRO FLIBHT SYSTEM -ENflI 111 ___________________________________________________ 1 I -RRl i 5l 1j CS Flight SgsteNs 31 Perrj Street Hiddlebero M 023483117 Phone 617947-2905 6 9 P H
Edition: Model Aviation - 1988/11
Page Numbers: 66, 67, 68, 69, 70, 71, 174, 175
The long nose moment combined ciassic goiden-age ilnes produces modei thats good iooking good fiying buiit-up fuseiage nice deviation common profile-type smail Stunt models Spectators cant resist commenting its terrific looks THE IDEA Lil Bit originated right after built Hurricane /2A Stunter kit inspiration decided George just ought design build owncant hard reason another idea got shelved went other things past spring however buildanother-model bug bit pretty hard resurrected old idea designing build ing flying original /2A Stunter started project establishing ba sic criteria Lil Bit model would have 1 look like full-size aircraft 2 inexpensive build 3 easy build fly 4 aerobatic capable Stunting two us have aviation buffs years thoroughly enjoy being around both full-size model aircraft description Since partial between-the-wars World War IIvintage birds decided Lil Bit built-up fuselage classic aviation ap pearance pre dictable flying habits make model great addition anybodys collection Control Line sport models should look like 1930s-era sportster chose ze model because knew costs both building flying would held minimum Also no un usual sizes wood pieces hardware required model met goals youve built profile Control Line kit two LII Bit would good first built66 Model Aviation Co-author chief test pilot Scott fuels up model another flight inexpensive construction operation real plus Lil Bit flashes first flights model stable flier capable performing AMA aerobatics maneuvers Left The red cream color scheme authors chose looks great course could pick combination suit taste Right Tee Dee engine runs well inverted since exhaust underneath model stays much cleaner Note amount rudder offset up fuselage takes little time build hollow fuselage certainly isnt diffi cult bill materials end lists everything youll need Weve included some basic information tips concerning construction sequences techniques newcomers course old experienced hands can just forge ahead ol way choose Construction First study plans read text carefully get idea whats done materials youll use Well tackle wing first since its part folks dread wing built directly over plans best done flat work table bench using 2 x 4-ft building board soft enough stick straight pins such Celotex Youll also need sheet wax paper clear plastic wrap Saran Wrap example lay over wing plan finished wing wont glued paper plans used aliphatic resin glue throughout model except two applicationsthe landing gear tail skld installations Its safe nontoxic cleans up water dries quickly inexpensive strong bull Youll know yellow-colored Elmers Carpenters Wood Glue Franidins Tite Bond Sig Bond other brands Re member doesnt take much glue make strong joint As long get thin coating mating surfacesand hold clamp pin parts together glue dryingyour model will strong enough Another product like ZAR Latex Wood Patch marketed United Gilsonite Laboratories Scranton PA out standing wood filler cracks nicks Packaged soft poly tube screw cap spreads extremely well dries quickly sands smooth takes dope found local hardware store have used household repairs well models wing fashioned jig directly over plans ensure strong straight struc ture first step cut out parts jig Trace wing spar jig piece plan onto paper cut out glue onto rectangular piece 1/16 sheet balsa slightly larger jig piece Cut out five rectangles /16 sheet same size Using tiny dabs glue tack glue six rectangular pieces stack like pancakes After glue dries us ing paper pattern glued onto top stack guide cut out six jig pieces once Since wing spar jig pieces must exactly same size shape en sure proper wing alignment its important cut sand carefully Gently split six pieces apart thin knife razor blade voilayou should have six identical wing spar jig pieces stack method cutting out identical parts quick accurate main wing ribs made same way except templates patterns thin sheet aluminum brass plywood cut identical shape size shown plans used Tack glue templates together before cutting out ensure identical Drill two %-in-dia holes each end horizontal slot rib Cut out 12 W-l rectangular wing rib blanks making slightly larger needed Tack glue blanks stack glue dry drill A-in holes through entire stack using holes rib templates drill bit positioning guide Split two rib templates apart sandwich stack blanks between templates bolt whole stack together %-in-dia bolts nuts Saw carve sand stack blanks finished wing ribs using hard templates end guides After final sanding stack remove bolts templates split ribs apart carefully cut out slots center ribs Make up kit balsa sheet wing parts /16 sheet cut out four W-2 wing ribs four wing tip ribs four wing November 1988 67 Sig plastic wheels set far enough forward mat noseovers problem Thats lower tank vent just behind cylinder 1-in Ace spinner wood prop add realism tip gussets %2 sheet cut out two wing tips two flap halves Finally cut flap joiner %2 x 4-in hard wood Put flap parts aside now Begin wing assembly pinning wing plan building board covering wax paper Pin six wing spar jig pieces onto plan standing upright dotted line positions shown square spar slots top Push straight pins angle down through lower portion jig pieces board Two pins inserted side jig should hold securely Cut two 46 x 34-in trailing edge TE strips two A-in-sq spars 4-insq leading edge LE length shown plan spars TE LB strips same length Pin TE strip over TE drawn plan holding straight edge against strip pin down keep lined up Lay 4-in-sq spars jig slots positioning spar ends line up plan jig pieces carefully cut out pinned onto plan spar should lay jig straight arrow Begin gluing main wing ribs W-1 W-2 place Note W-2s center section wing W-ls outboard Squeeze little glue rear edge rib will contact TE also square spar slot press rib place Carefully align rib over plan checking indi vidually after installation small square drafting triangle ensure vertical After main ribs have glued lower spar TB assemble flaps Note joiner strip inset leading edges flap halves Pin flap halves onto wing plan respective positions glue joiner strip place Pin weight entire flap assembly onto board will straight flat glue dries Install control system wing total pull~ flying Control Line model borne control systemthe handle flying wires lead-out lines bellcrank its mounting help ensure long life model safety pilot spectators control system must rigged securely broken dis lodged flying wire lead-out line bellcrank its mount pushrod control horn al always results crash Take time check control system flying wires lead-outs control handle connec tions pushrod connections control horn integrity before flight Attach lead-out lines bellcrank using safe method shown AMA rule book youre newcomer dont know attach lead-outs bellcrank flying wire clips outboard ends lead-outs ask veteran Control Line flier local hobby shop manager help Cut out 1 x 3%-in rectangle A-in plywood bellcrank mounting platform Drill bellcrank mounting bolt hole point shown plan glue mount place ribs W-2 top lower spar Thread free ends lead-out lines through slots ribs left wing Position bellcrank install onto plywood mount according manufacturers instructions Glue upper spar place pinning ribs Bevel mating surfaces both TB strips slightly give flat gluing surface about A-in wide Pin glue upper TE strip ribs lower TB strip rear edges After glue sets remove pins lift wing out jig Remove flap assembly board lay safely aside now wing tips easily installed wing standing end Glue tips outermost ribs making sure theyre lined up parallel wing leading trailing edges Glue wing tip gussets place Cut two /16 brass tubing lead-out guides length slip over outboard ends lead-out lines glue top left wing tip locations shown plan careful slop glue lead-out lines themselves ac cidentally glue guides loca tions lead-out guides will produce enough flying line sweephack keep Lil Bit tight lines Install flying wire clips outboard ends lead-out wires using AMA rule book method Make two lead-out lines near same total length possible Glue tip ribs onto top bottom wing tips tip rib goes top left wing tip will need notches cut sanded its bottom edge fit over tubing lead-out guides Cover top bottom wing center section soft /16 sheet balsa grain running spanwise Cut out pushrod clearance open ing top sheeting sharp knife finish sandpaper Sand wing surfaces 100-grit gar net paper long sanding block use block made 30-in-long perfectly straight 1 x 2-in hard pine Garnet paper strips 100 200 grit adhered narrow edges aerosol contact cement thus providing double-sided sanding block Hold sanding block spanwise wing surface work carefully LB TB back again also spanwise garnet paper cuts fast very careful sand dips flat spots edges ribs Work slowly achieve smooth continuously curving symmetrical wing profile fuselage built sheet parts should cut out advance Cut fire wall landing gear mount bulkhead F-2 A-in plywood Drill hole fire wall fuel tank suction tube other formers cut %2 sheet balsa grain running vertically Fuselage sides cut /6 sheet balsa grain run ning lengthwise choosing wood other materials model pick out straightest flattest also lightest can find except particular parts must sacrifice weight strength Saving weight wherever possible will definitely make difference flight performance 68 Model Aviation Left Cut out sheet parts first make assembly easier Note holes drilled engine mounts lighten ribs left wing panel will notched later allow clearance lead-outs Right completed airframe ready covering Note clearance notch lower nose sheet needle valve Latex wood filler used make wing fillets Lead-out guides made brass tubing Full-Size Plans Available Page 186 liii*1CC SCAR11 II IiUCAO*C CCC iiiI IIll IIIliii IWLII irIIIii r.I 5 II CEVEL MATING SUCTACES ATGM UY-Aij4 L7n CASM— flrTPIAIGUL*C-,r* PS MACC -- ~A-~5CCLEVATACJONCC CI&ATSICLOMIPoIflAU,OC -LUCY ALCASAMOC LOWICARUCCLAOCSDCCCOflONLOSEAMCFUSCLAGCSCCS FOCCASCOOS2MWTALSCD CLX 7CC CCC A4CPCI SLOWSAMAWICACA7UCLEDCOK MAAKPA DULSOFTFLAP INSTALLAflOS CEPLASE /2-A STUNT/SPORT SHIP FOR 0497051 ENGINES Cut out openings wing pushrod exit slot right fuselage side small pieces side just low flap joiner strip Save last two little pieces theyll replaced after flap installation Cut engine mounts 14-in-sq hardwood used hard pine hard wood would OK Drill holes through engine mounts lighten shown plans Carve out notch lefthand mount clearance upper fuel tank vent tube Glue engine mounts place aligning top edges top edges hi selage sides Remember two fuselage sides different Follow plans care fully make sure mounts glued correctly mounts extend way back former F-3 order transfer en gine vibration whole airframe thus help dampen vibration Lay what will right fuselage side down board mount facing up glue firewall formers F-3 F-5 F-l Check form ers square triangle make sure theyre glued perpendicularly side fuel tank must installed now since fuselage literally built around used Perfect brand #204 -oz wedgeshaped stunt tank size tank carries enough fuel get some aerobatics doesnt keep engine running long re ready drop before quits can course use tank narrow enough fit fuselage use Perfect #20 install exactly per plans fuel suction tube will lined up fuel intake Cox Tee Dee 051 50 youll get decent engine run whether model upright inverted upper tank vent tube will have lengthened will stick up out fuselage recommend adding piece same size tubing sleeve next largest size tubing soldered glued around joint Bevel exposed ends tank vent tubes front model flying ram air effect will pressurize tank help fuel flow some what Well likely get arguments some fliers about its 30-year-old habit thats hard break install tank first glue 5-1 rear firewall glue S-2 lower portion F- 1 remember F- 1 hasnt installed yet Now slide ward end tank place within 5-1 against rear firewall poking fuel pickup tube through hole firewall Glue F-l position sliding up tight against rear tank S-2 fits around tanks rear end Youll likely have little filing trimming sand ing both tank saddles since its tight fit After tank firmly place turn fuselage side upside down its rest ing vertically its top edge form ers sticking out side Mark posi tion former remaining side ap ply glue end former press side also turned upside down place against formers Pin side ends formers until dry Bevel inside mating surfaces rear fuse lage ends glue formers F-7 F-8 place Finally glue rear fuselage ends together install formers F-4 F-6 until after wing place Continued page 70 November 1988 69 2L Scotts sister Sara other pilot family Sara has flying since grade school finds Lii Bit great model show off Astounds boys experience Great Performance Quartet DALOTEL 850 SPAN 69 ins WING AREA 830 sq ins CHIPMUNK 850 SPAN 70 insWING AREA 850 sq ins SPAN 76 EXTRA 230 WING AREA 900 sq ins ZLIN 526 SPAN 72 ins WING AREA 900 sq ins series Sport Scale Balsa ARF Airplanes 120-4 cycle equivalent motors See RCHTA Show October 14-16 1988 available direct select hobby shops ZIMPRO MARKETING Power plant little Cox /zA engines incredibly powerful size weight suitable modifications fuselage nose Cox 049 engines could used would haul Lil Bit around just fine However just hap pened have Tee Dee 051 hand literally designed airframe around tank inverted engine appearances sake runs fine way landing gear far enough ward keep glow plug scraping ground case nose-overwhich far hasnt happened fuselage lying upside down hoard position engine mounts Turn little toward what will right side airframe little outthrust helps keep plane tight lines mark locations four holes mounts Important Re member fuselage upside down mark bolt holes engine off set Drill holes mounts 2-56 x 34-in bolts Bolt engine place bolt heads up plane right-side-up nuts washers will below engine mounts wont poke through nose block its rounded off Install fuel line tank engine plug fuel tank vents tape keep out balsa dust Also wrap engine piece cloth keep clean Bend landing gear 1/16 music wire using true-size layout plan pattern bend gear legs ward shown fuselage side view stall wheels axles secure setscrew wheel collars wash ers epoxied onto axle tips 1%-in wheels lightweight Sig hollow plastic ones Lay upper portion landing gear former F-2 trace outline onto Rout out groove F-2 gear can recessed Lay F-2 board groove up epoxy gear groove being sure gear legs angled upward theyll canted forward after stallation After epoxy set glue F-2 fuselage against back F-i Hold clamp place glue sets Install wing flaps Slide wing through fuselage center theres same amount wing sticking out side fuselage Square wing fuselagethat make sure wing leading edge perpendicular fu selage viewed above Hold square drafting triangle against wing leading edge forward part fu selage ensure right angle youre satisfied wing aligned run bead glue inside outside fuselage wing-fuselage junction bot toms F-3 F-S contact wing Cut out 18 fabric flap hinge strips size shown plan glue flap assembly Also glue flap horn flap joiner strip Slide flap assembly position against wing trailing edge sure control horn sticking up glue free hinge ends wing TE Fin ish wing installation gluing two cutout pieces back fuselage sides gluing formers F-4 F-6 place Cut flap elevator pushrods 1/16 music wire Slide wire keepers pushrods bend right angles ends Install pushrods bellcrank flap horn snap keepers place Wait until elevator installed bend elevator pushrod end Installing pushrods bellcrank bit tedious needle-nose pliers persever ance can done Sheet upper fuselage sections soft 1/16 sheet balsa cut stiff paper pat terns size needed cover upper forward fuselage turtledeck sections transferred patterns sheet balsa Cut balsa little oversize since its lot easier trim shape fill gaps putty Also cut hole nose sheet upper fuel tank vent Install sheet gluing edge upper edge fuselage side soaking sheet water until pliable applying glue formers wrapping sheet over formers Pin sheet edges formers hold position drying bend sheet tail over top F-8 pretty tight keep sheeting splitting use sharp blade lightly score top surface lengthwise few places wraps over F-8 Cut out nose tail blocks soft solid balsa cut %2-in-wide slots tail block vertical horizontal stabilizers Hollow underside nose block clear engine crankcase glue place Cut out install triangular-shaped piece sheet balsa tween rear fuselage sides serve platform attaching stabilizer glue tail block place platform tight against rear F-8 Fill cracks gaps between fu selage top sheets blocks wood fil ler sand blocks proper contour fairing fuselage Continue fill cracks filler sand necessary obtain smooth surface tail surfaces cut %2-in sheet balsa As flaps glue elevators joiner strip pin weight sembly board dry Glue con trol horn joiner strip downwardpointing position shown Cut out 12 fabric hinges attach stabilizer did flaps Position stabilizer glue place fuselage Alignment critical Make sure stabilizer installed parallel wing viewed front rear Also elevator-stabilizer hinge line should parallel wing viewed above good way check align ment measure distance up per wing spar straight back outer tip stabilizer side plane ensure tip isnt cocked forward other 70 Model Aviation PO BOX 3076 OAK RIDGE TN 37830 PHONE 615-482-6188 Glue short length triangular stock un der side stabilizer adjoining fuselage firmly ties stabilizer fuselage adds very little weight Glue vertical stabilizer place making sure absolutely vertical Check square triangle Sheet bottom fuselage sec tions 1/16 balsa grain running crosswise Next glue rudder ver tical stabilizer rear fuse lage Angle slightly provide little right offset Bend tail skid 032 music wire epoxy place Any covering system satisfactory includ ing iron-on variety still prefer silkspan-and-dope route brushed coat Sig fuel-proof clear dope onto wings leading trailing edges center plank ing sanded lightly 400-grit wet-or-dry paper covered wing lightweight silkspan grain running spanwise Dope silkspan leading trailing edges edges wing tips dope silkspan ribsif covering cant adequately move shrinks youll end up sagging covering job After dope dries shrink silkspan spraying lightly water allow ing dry thoroughly dry sanded entire airframe 400-grit wetor-dry paper applied three coats Sig sanding sealer sanding lightly between coats decided nostalgic color scheme overall Sig Diana Cream Stearman Red trim black numerals couple finish coats clear dope would really make shine chose put windshield canopy model certainly could Apply AMA li cense number upper right wing sur face flew Lil Bit Sullivan brand 012in x 35-ft braided lines after carefully checked line pushrod horn connec tions other procedure go through drip Cox fuel through paper coffee filter make sure its super clean Small en gines particularly reed valve variety super-sensitive trashy fuel first takeoff Scott chose full-upelevator catapult shot Tee Dee really wound up swinging Cox 6 x 4 plas tic prop Ace RC 1-in spinner Lil Bit literally jumped off ground headed up up away initial takeoff pretty much wingover lot dancing prancing around out circle until order restored Lil Bit flies exceptionally well though capable skipping through whole pattern suggest place pushrods least sensitive control horn positions until get feel hot little machine hope find Lil Bit much fun have Just remember have fun always fly safely away power lines Bill Materials Sheet Balsa Continued page 174 3 dozen $400 ea 4 dozen $375 ea 5 dozen $360 ea 6 dozen $355 ea Add $400 shipping per order Please send good black white art reproduction Please specify quantity Trans-Cover colors ink color ordering Limit ink color per order Now fliers over world have neat inexpensive functional way protect R/C transmitters dirt dust rain Custom printed club logo Constructed durable canvas lifelong Velcro closure Available red blue green yellow orange black Colors can mixed size fits Send check money order KD GRAPKICS 3315 13th Avenue Columbus Georgia 31904 404/323-2787 9am-Spm EST November 1988 71 U MANS-COVER ey Hal Winters Don Harbin Bert Dugan certainly due thunderous words thanks fine efforts Additional thanks go Ann Underwood keeping up considerable paperwork entering judging scoring contest Stan Alexander causing thing run smoothly As parting note contrast last years con test during scores posted year Cliff Tacie kept everyone instantaneously formed scoring progression printouts desktop computer prompt service much appreciated Cliff added height ened sense awareness competitors ef forts Nats md Duration/Kruse Continued page 62 mm mark 2040 appeared Belieff new winner Stout Indoor trophy no Young Don gone broke last flight model touched floor after flight 2118 just scant minutes before witch ing hour willing let coveted trophy escape Dan Belieff wound quickly haste launch damaged ship Hurried repalrs ef fected ship launched despite dam age course badly Out trim went floor turns still motor Young Don Slusarezyk done As pun dit said upon strolling out auditorium really beyond Belieff wasnt Most within earshot hurried out reply Credit another good Indoor Nats certainly goes contestants put forth best ef forts both helping fellow modelers THE JOURNAL OF THE AIRPLANE 1920 1940 Leo Opdycke Editor competing against Richard Melody Doig also deserve large measure thanks tireless efforts behalf Indoor fliers As long well-run contest can assured certainly can under supervision Doigs Indoor Nats will continue its right ful place prominence Nats Outdoor Scale/Kruse Continued page 65 bunch people flying airplanes must apolo gize being busy flying attempting take needed photos report did get names because fail ure hesitate name anyone fear of fending might missbut know assured work appreciated Johis Guenther Stan Alexander Ann Underwood caused things again run smoothly midst seemingly obligatory site change thanks behalf contestants look forward next year re sumption full slate Free Flight events among Free Flight Scale will still remain favorite Lii Bit/Browns Continued page 71 ll/6 x 4 x 36 softfuselage top & bottom cov ering ribs x 3 x 36 softfuselage sides ribs jig pieces l/32 x 3 x 36 softformers flaps tips tail surfaces Other Balsa 3A x x 36 medwing LE spars stabi ww1 UREIAL OF TIlE EARLY AEROPLANE Kenn Rust Editor WW1 AERO 19001919 SKYWAYS 1920-1940 two Journals contain infornation current proiects orical research news museuns airshows shop notes technical drawings data infornat ion paint color photographs aeroplanes engines parts sale scale nodelling naferial PLUS wants disposals news current publications kinds PLUS nore. Sanple copies $4 Published WORLD WAR 1 L%pt&i INC 15 Crescent Road Pouqhkecpsie NY 12601 USA 914 473-5679 174 Model Aviation THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great perfor mance Thermal Charger fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 VINTAGE -C PLAN 7 SOLIDATED PBY-5A tCATALINA 9FT WING SPAN ALL RIBS 8 FULL FORMERS SHOWN ON PLANS11 PLASrIC ENGCOWLS $1090 PR CLEAR GUN BLISTERS $ 760 PR 4 LARGE PLAN SHEETS s $ 1895 GET WING SPAN MODEL PBY-5A ENGINE COWLS $750 Plans $1495 GUN BLISTERS $ 5 50 PR ADO $300 POSTAGE CAiAL0BOVER 50 PLANS $100 DEALERS WRITE WORLDWIDE SID MORGAN 13157 ORMONO BELLEVILLE 48111 USA lizer braces 2/ x -in softwing TEs 1 x 1 x 4-in soft blocknose & tail blocks Other Wood l%2 x x 19-in hardwood stripflap & eleva tor joiners plywood approx 1 x 7 firewall landing gear bulkhead bellcrank mount 1A x x 13-in hardwoodmotor mounts Other Materials Plans Building board Straight pins Wax paper 1Cox Tee Dee 049 051 engine 1propeller 6 x 4 Cox plastic Top Flite Zinger wood 11-in plastic spinner Ace RC Inc 1-oz wedge fuel tank Perfect #20 /s x 4-in brats tubingtank vent extension leadout guides 2 small plastic flexible fuel line /16 x 28-in music wtrepushrods landing gear 032 x 4-in music wiretailskid 12-in bellcrank mounting hardware Perfect comparable 36-in length braided lead-out line Perfect com parable 1 pairflying wire clips Perfect Du-Bro com parable 1 pair1%-in-dia plastic wheels Sig comparable 1 pair/s-in wheel collars Perfect Du-Bro comparable 42-56 x -in engine mounting bolts locknuts 2small control horns Perfect comparable flaps elevator 4wire pushrod keepers /6-in-dia music wire 48% x -in similar size fabric control surface hinges Aliphatic resin glue Franklin Tite Bond compar able Five-minute epoxy glue Duro comparable Garnet paper 100- 200-grit Norton compa rable Wet-or-dry paper 400-grit 3M comparable 1 sheetlightweight silkspan Fuel-proof dopeSig clear sanding sealer Diana Cream Stearman Red comparable 1-in numerals AMA license number 1 set012-inx 35-ft braided steel flying wire Sul livan comparable 1A control handle Sullivan comparable Cox Super Power Glow Fuel above parts materials should available local hobby shop Theres word some streets supplies Con trol Line models arent available anymore weve found true able secure everything needed build Lil Bit other models Johnny Clemens Hobby Counter Dallas know other shops stock order Control Line supplies So dont accept Geewe cant get anymore cause its just true Control Line alive Sparrow Hawk/ODwyer Continued page 78 Sparrow Hawk flies best four strands 3/6-in rubber Ten grams FM Champion rubber will 78 80 long Wash off powder coats rubber soapy water Use following method tying rubber will never slip Tie single overhand knot close end possible Laying two ends adja cent other tie another overhand knot two strands Use liberal amounts Continued page 178 Finest Kits Youll Ever Buy Build TraIn-Air 20 Train-Air 40 Sport-Air 40 Bel-AIr 40 40 Hydro-Floats rsa eesy handling uperior serobetic modern looking sport exhibition biplane has filled 55, 6 75 lbs 148 185 207-4901M1 Wise & Uastereeu4ed 1 KIT FEATURES Polyester fiberglass fusalage cowling retractable landing 92 wingspan gear Foam cores wing stab Available major production variations F4F-3 -3A -4 FM-i FM-2 Semi-Kit Fusalage cowling foam cores wing stab canopy retractable landing gear plans$27500 Complete Kit Everything listed semi-kit plus wood parts hardware necessary complete kit including 1/64 plywood sheeting wings$45000 Deluxe Kit Complete kit fusalage preassembled $85000 wings stab presheeted control surfaces prebuilt Information Package $100 VISA/MasterCard accepted add $1500 sh pp ng daho es add 5% Sa es tax Classic Glass PO Box 503 Blackfoot Idaho 83221-0503 Mike Zamber 208 785-2309 November 1988 175 fine tine kits ate machine cut sasist building reel show 80 has fully summetricel wing sections gives gresteat potential serobstic er upflght Inverted ship cspsble very slow close-In type flight right up robatic schedule can muster Classic Glass Grumman Wildcat B limEd ATIIE BEST IN ELECTRIC FLIGHT SPECIALIZING IH ASTRO FLIBHT SYSTEM -ENflI 111 ___________________________________________________ 1 I -RRl i 5l 1j CS Flight SgsteNs 31 Perrj Street Hiddlebero M 023483117 Phone 617947-2905 6 9 P H
Edition: Model Aviation - 1988/11
Page Numbers: 66, 67, 68, 69, 70, 71, 174, 175
The long nose moment combined ciassic goiden-age ilnes produces modei thats good iooking good fiying buiit-up fuseiage nice deviation common profile-type smail Stunt models Spectators cant resist commenting its terrific looks THE IDEA Lil Bit originated right after built Hurricane /2A Stunter kit inspiration decided George just ought design build owncant hard reason another idea got shelved went other things past spring however buildanother-model bug bit pretty hard resurrected old idea designing build ing flying original /2A Stunter started project establishing ba sic criteria Lil Bit model would have 1 look like full-size aircraft 2 inexpensive build 3 easy build fly 4 aerobatic capable Stunting two us have aviation buffs years thoroughly enjoy being around both full-size model aircraft description Since partial between-the-wars World War IIvintage birds decided Lil Bit built-up fuselage classic aviation ap pearance pre dictable flying habits make model great addition anybodys collection Control Line sport models should look like 1930s-era sportster chose ze model because knew costs both building flying would held minimum Also no un usual sizes wood pieces hardware required model met goals youve built profile Control Line kit two LII Bit would good first built66 Model Aviation Co-author chief test pilot Scott fuels up model another flight inexpensive construction operation real plus Lil Bit flashes first flights model stable flier capable performing AMA aerobatics maneuvers Left The red cream color scheme authors chose looks great course could pick combination suit taste Right Tee Dee engine runs well inverted since exhaust underneath model stays much cleaner Note amount rudder offset up fuselage takes little time build hollow fuselage certainly isnt diffi cult bill materials end lists everything youll need Weve included some basic information tips concerning construction sequences techniques newcomers course old experienced hands can just forge ahead ol way choose Construction First study plans read text carefully get idea whats done materials youll use Well tackle wing first since its part folks dread wing built directly over plans best done flat work table bench using 2 x 4-ft building board soft enough stick straight pins such Celotex Youll also need sheet wax paper clear plastic wrap Saran Wrap example lay over wing plan finished wing wont glued paper plans used aliphatic resin glue throughout model except two applicationsthe landing gear tail skld installations Its safe nontoxic cleans up water dries quickly inexpensive strong bull Youll know yellow-colored Elmers Carpenters Wood Glue Franidins Tite Bond Sig Bond other brands Re member doesnt take much glue make strong joint As long get thin coating mating surfacesand hold clamp pin parts together glue dryingyour model will strong enough Another product like ZAR Latex Wood Patch marketed United Gilsonite Laboratories Scranton PA out standing wood filler cracks nicks Packaged soft poly tube screw cap spreads extremely well dries quickly sands smooth takes dope found local hardware store have used household repairs well models wing fashioned jig directly over plans ensure strong straight struc ture first step cut out parts jig Trace wing spar jig piece plan onto paper cut out glue onto rectangular piece 1/16 sheet balsa slightly larger jig piece Cut out five rectangles /16 sheet same size Using tiny dabs glue tack glue six rectangular pieces stack like pancakes After glue dries us ing paper pattern glued onto top stack guide cut out six jig pieces once Since wing spar jig pieces must exactly same size shape en sure proper wing alignment its important cut sand carefully Gently split six pieces apart thin knife razor blade voilayou should have six identical wing spar jig pieces stack method cutting out identical parts quick accurate main wing ribs made same way except templates patterns thin sheet aluminum brass plywood cut identical shape size shown plans used Tack glue templates together before cutting out ensure identical Drill two %-in-dia holes each end horizontal slot rib Cut out 12 W-l rectangular wing rib blanks making slightly larger needed Tack glue blanks stack glue dry drill A-in holes through entire stack using holes rib templates drill bit positioning guide Split two rib templates apart sandwich stack blanks between templates bolt whole stack together %-in-dia bolts nuts Saw carve sand stack blanks finished wing ribs using hard templates end guides After final sanding stack remove bolts templates split ribs apart carefully cut out slots center ribs Make up kit balsa sheet wing parts /16 sheet cut out four W-2 wing ribs four wing tip ribs four wing November 1988 67 Sig plastic wheels set far enough forward mat noseovers problem Thats lower tank vent just behind cylinder 1-in Ace spinner wood prop add realism tip gussets %2 sheet cut out two wing tips two flap halves Finally cut flap joiner %2 x 4-in hard wood Put flap parts aside now Begin wing assembly pinning wing plan building board covering wax paper Pin six wing spar jig pieces onto plan standing upright dotted line positions shown square spar slots top Push straight pins angle down through lower portion jig pieces board Two pins inserted side jig should hold securely Cut two 46 x 34-in trailing edge TE strips two A-in-sq spars 4-insq leading edge LE length shown plan spars TE LB strips same length Pin TE strip over TE drawn plan holding straight edge against strip pin down keep lined up Lay 4-in-sq spars jig slots positioning spar ends line up plan jig pieces carefully cut out pinned onto plan spar should lay jig straight arrow Begin gluing main wing ribs W-1 W-2 place Note W-2s center section wing W-ls outboard Squeeze little glue rear edge rib will contact TE also square spar slot press rib place Carefully align rib over plan checking indi vidually after installation small square drafting triangle ensure vertical After main ribs have glued lower spar TB assemble flaps Note joiner strip inset leading edges flap halves Pin flap halves onto wing plan respective positions glue joiner strip place Pin weight entire flap assembly onto board will straight flat glue dries Install control system wing total pull~ flying Control Line model borne control systemthe handle flying wires lead-out lines bellcrank its mounting help ensure long life model safety pilot spectators control system must rigged securely broken dis lodged flying wire lead-out line bellcrank its mount pushrod control horn al always results crash Take time check control system flying wires lead-outs control handle connec tions pushrod connections control horn integrity before flight Attach lead-out lines bellcrank using safe method shown AMA rule book youre newcomer dont know attach lead-outs bellcrank flying wire clips outboard ends lead-outs ask veteran Control Line flier local hobby shop manager help Cut out 1 x 3%-in rectangle A-in plywood bellcrank mounting platform Drill bellcrank mounting bolt hole point shown plan glue mount place ribs W-2 top lower spar Thread free ends lead-out lines through slots ribs left wing Position bellcrank install onto plywood mount according manufacturers instructions Glue upper spar place pinning ribs Bevel mating surfaces both TB strips slightly give flat gluing surface about A-in wide Pin glue upper TE strip ribs lower TB strip rear edges After glue sets remove pins lift wing out jig Remove flap assembly board lay safely aside now wing tips easily installed wing standing end Glue tips outermost ribs making sure theyre lined up parallel wing leading trailing edges Glue wing tip gussets place Cut two /16 brass tubing lead-out guides length slip over outboard ends lead-out lines glue top left wing tip locations shown plan careful slop glue lead-out lines themselves ac cidentally glue guides loca tions lead-out guides will produce enough flying line sweephack keep Lil Bit tight lines Install flying wire clips outboard ends lead-out wires using AMA rule book method Make two lead-out lines near same total length possible Glue tip ribs onto top bottom wing tips tip rib goes top left wing tip will need notches cut sanded its bottom edge fit over tubing lead-out guides Cover top bottom wing center section soft /16 sheet balsa grain running spanwise Cut out pushrod clearance open ing top sheeting sharp knife finish sandpaper Sand wing surfaces 100-grit gar net paper long sanding block use block made 30-in-long perfectly straight 1 x 2-in hard pine Garnet paper strips 100 200 grit adhered narrow edges aerosol contact cement thus providing double-sided sanding block Hold sanding block spanwise wing surface work carefully LB TB back again also spanwise garnet paper cuts fast very careful sand dips flat spots edges ribs Work slowly achieve smooth continuously curving symmetrical wing profile fuselage built sheet parts should cut out advance Cut fire wall landing gear mount bulkhead F-2 A-in plywood Drill hole fire wall fuel tank suction tube other formers cut %2 sheet balsa grain running vertically Fuselage sides cut /6 sheet balsa grain run ning lengthwise choosing wood other materials model pick out straightest flattest also lightest can find except particular parts must sacrifice weight strength Saving weight wherever possible will definitely make difference flight performance 68 Model Aviation Left Cut out sheet parts first make assembly easier Note holes drilled engine mounts lighten ribs left wing panel will notched later allow clearance lead-outs Right completed airframe ready covering Note clearance notch lower nose sheet needle valve Latex wood filler used make wing fillets Lead-out guides made brass tubing Full-Size Plans Available Page 186 liii*1CC SCAR11 II IiUCAO*C CCC iiiI IIll IIIliii IWLII irIIIii r.I 5 II CEVEL MATING SUCTACES ATGM UY-Aij4 L7n CASM— flrTPIAIGUL*C-,r* PS MACC -- ~A-~5CCLEVATACJONCC CI&ATSICLOMIPoIflAU,OC -LUCY ALCASAMOC LOWICARUCCLAOCSDCCCOflONLOSEAMCFUSCLAGCSCCS FOCCASCOOS2MWTALSCD CLX 7CC CCC A4CPCI SLOWSAMAWICACA7UCLEDCOK MAAKPA DULSOFTFLAP INSTALLAflOS CEPLASE /2-A STUNT/SPORT SHIP FOR 0497051 ENGINES Cut out openings wing pushrod exit slot right fuselage side small pieces side just low flap joiner strip Save last two little pieces theyll replaced after flap installation Cut engine mounts 14-in-sq hardwood used hard pine hard wood would OK Drill holes through engine mounts lighten shown plans Carve out notch lefthand mount clearance upper fuel tank vent tube Glue engine mounts place aligning top edges top edges hi selage sides Remember two fuselage sides different Follow plans care fully make sure mounts glued correctly mounts extend way back former F-3 order transfer en gine vibration whole airframe thus help dampen vibration Lay what will right fuselage side down board mount facing up glue firewall formers F-3 F-5 F-l Check form ers square triangle make sure theyre glued perpendicularly side fuel tank must installed now since fuselage literally built around used Perfect brand #204 -oz wedgeshaped stunt tank size tank carries enough fuel get some aerobatics doesnt keep engine running long re ready drop before quits can course use tank narrow enough fit fuselage use Perfect #20 install exactly per plans fuel suction tube will lined up fuel intake Cox Tee Dee 051 50 youll get decent engine run whether model upright inverted upper tank vent tube will have lengthened will stick up out fuselage recommend adding piece same size tubing sleeve next largest size tubing soldered glued around joint Bevel exposed ends tank vent tubes front model flying ram air effect will pressurize tank help fuel flow some what Well likely get arguments some fliers about its 30-year-old habit thats hard break install tank first glue 5-1 rear firewall glue S-2 lower portion F- 1 remember F- 1 hasnt installed yet Now slide ward end tank place within 5-1 against rear firewall poking fuel pickup tube through hole firewall Glue F-l position sliding up tight against rear tank S-2 fits around tanks rear end Youll likely have little filing trimming sand ing both tank saddles since its tight fit After tank firmly place turn fuselage side upside down its rest ing vertically its top edge form ers sticking out side Mark posi tion former remaining side ap ply glue end former press side also turned upside down place against formers Pin side ends formers until dry Bevel inside mating surfaces rear fuse lage ends glue formers F-7 F-8 place Finally glue rear fuselage ends together install formers F-4 F-6 until after wing place Continued page 70 November 1988 69 2L Scotts sister Sara other pilot family Sara has flying since grade school finds Lii Bit great model show off Astounds boys experience Great Performance Quartet DALOTEL 850 SPAN 69 ins WING AREA 830 sq ins CHIPMUNK 850 SPAN 70 insWING AREA 850 sq ins SPAN 76 EXTRA 230 WING AREA 900 sq ins ZLIN 526 SPAN 72 ins WING AREA 900 sq ins series Sport Scale Balsa ARF Airplanes 120-4 cycle equivalent motors See RCHTA Show October 14-16 1988 available direct select hobby shops ZIMPRO MARKETING Power plant little Cox /zA engines incredibly powerful size weight suitable modifications fuselage nose Cox 049 engines could used would haul Lil Bit around just fine However just hap pened have Tee Dee 051 hand literally designed airframe around tank inverted engine appearances sake runs fine way landing gear far enough ward keep glow plug scraping ground case nose-overwhich far hasnt happened fuselage lying upside down hoard position engine mounts Turn little toward what will right side airframe little outthrust helps keep plane tight lines mark locations four holes mounts Important Re member fuselage upside down mark bolt holes engine off set Drill holes mounts 2-56 x 34-in bolts Bolt engine place bolt heads up plane right-side-up nuts washers will below engine mounts wont poke through nose block its rounded off Install fuel line tank engine plug fuel tank vents tape keep out balsa dust Also wrap engine piece cloth keep clean Bend landing gear 1/16 music wire using true-size layout plan pattern bend gear legs ward shown fuselage side view stall wheels axles secure setscrew wheel collars wash ers epoxied onto axle tips 1%-in wheels lightweight Sig hollow plastic ones Lay upper portion landing gear former F-2 trace outline onto Rout out groove F-2 gear can recessed Lay F-2 board groove up epoxy gear groove being sure gear legs angled upward theyll canted forward after stallation After epoxy set glue F-2 fuselage against back F-i Hold clamp place glue sets Install wing flaps Slide wing through fuselage center theres same amount wing sticking out side fuselage Square wing fuselagethat make sure wing leading edge perpendicular fu selage viewed above Hold square drafting triangle against wing leading edge forward part fu selage ensure right angle youre satisfied wing aligned run bead glue inside outside fuselage wing-fuselage junction bot toms F-3 F-S contact wing Cut out 18 fabric flap hinge strips size shown plan glue flap assembly Also glue flap horn flap joiner strip Slide flap assembly position against wing trailing edge sure control horn sticking up glue free hinge ends wing TE Fin ish wing installation gluing two cutout pieces back fuselage sides gluing formers F-4 F-6 place Cut flap elevator pushrods 1/16 music wire Slide wire keepers pushrods bend right angles ends Install pushrods bellcrank flap horn snap keepers place Wait until elevator installed bend elevator pushrod end Installing pushrods bellcrank bit tedious needle-nose pliers persever ance can done Sheet upper fuselage sections soft 1/16 sheet balsa cut stiff paper pat terns size needed cover upper forward fuselage turtledeck sections transferred patterns sheet balsa Cut balsa little oversize since its lot easier trim shape fill gaps putty Also cut hole nose sheet upper fuel tank vent Install sheet gluing edge upper edge fuselage side soaking sheet water until pliable applying glue formers wrapping sheet over formers Pin sheet edges formers hold position drying bend sheet tail over top F-8 pretty tight keep sheeting splitting use sharp blade lightly score top surface lengthwise few places wraps over F-8 Cut out nose tail blocks soft solid balsa cut %2-in-wide slots tail block vertical horizontal stabilizers Hollow underside nose block clear engine crankcase glue place Cut out install triangular-shaped piece sheet balsa tween rear fuselage sides serve platform attaching stabilizer glue tail block place platform tight against rear F-8 Fill cracks gaps between fu selage top sheets blocks wood fil ler sand blocks proper contour fairing fuselage Continue fill cracks filler sand necessary obtain smooth surface tail surfaces cut %2-in sheet balsa As flaps glue elevators joiner strip pin weight sembly board dry Glue con trol horn joiner strip downwardpointing position shown Cut out 12 fabric hinges attach stabilizer did flaps Position stabilizer glue place fuselage Alignment critical Make sure stabilizer installed parallel wing viewed front rear Also elevator-stabilizer hinge line should parallel wing viewed above good way check align ment measure distance up per wing spar straight back outer tip stabilizer side plane ensure tip isnt cocked forward other 70 Model Aviation PO BOX 3076 OAK RIDGE TN 37830 PHONE 615-482-6188 Glue short length triangular stock un der side stabilizer adjoining fuselage firmly ties stabilizer fuselage adds very little weight Glue vertical stabilizer place making sure absolutely vertical Check square triangle Sheet bottom fuselage sec tions 1/16 balsa grain running crosswise Next glue rudder ver tical stabilizer rear fuse lage Angle slightly provide little right offset Bend tail skid 032 music wire epoxy place Any covering system satisfactory includ ing iron-on variety still prefer silkspan-and-dope route brushed coat Sig fuel-proof clear dope onto wings leading trailing edges center plank ing sanded lightly 400-grit wet-or-dry paper covered wing lightweight silkspan grain running spanwise Dope silkspan leading trailing edges edges wing tips dope silkspan ribsif covering cant adequately move shrinks youll end up sagging covering job After dope dries shrink silkspan spraying lightly water allow ing dry thoroughly dry sanded entire airframe 400-grit wetor-dry paper applied three coats Sig sanding sealer sanding lightly between coats decided nostalgic color scheme overall Sig Diana Cream Stearman Red trim black numerals couple finish coats clear dope would really make shine chose put windshield canopy model certainly could Apply AMA li cense number upper right wing sur face flew Lil Bit Sullivan brand 012in x 35-ft braided lines after carefully checked line pushrod horn connec tions other procedure go through drip Cox fuel through paper coffee filter make sure its super clean Small en gines particularly reed valve variety super-sensitive trashy fuel first takeoff Scott chose full-upelevator catapult shot Tee Dee really wound up swinging Cox 6 x 4 plas tic prop Ace RC 1-in spinner Lil Bit literally jumped off ground headed up up away initial takeoff pretty much wingover lot dancing prancing around out circle until order restored Lil Bit flies exceptionally well though capable skipping through whole pattern suggest place pushrods least sensitive control horn positions until get feel hot little machine hope find Lil Bit much fun have Just remember have fun always fly safely away power lines Bill Materials Sheet Balsa Continued page 174 3 dozen $400 ea 4 dozen $375 ea 5 dozen $360 ea 6 dozen $355 ea Add $400 shipping per order Please send good black white art reproduction Please specify quantity Trans-Cover colors ink color ordering Limit ink color per order Now fliers over world have neat inexpensive functional way protect R/C transmitters dirt dust rain Custom printed club logo Constructed durable canvas lifelong Velcro closure Available red blue green yellow orange black Colors can mixed size fits Send check money order KD GRAPKICS 3315 13th Avenue Columbus Georgia 31904 404/323-2787 9am-Spm EST November 1988 71 U MANS-COVER ey Hal Winters Don Harbin Bert Dugan certainly due thunderous words thanks fine efforts Additional thanks go Ann Underwood keeping up considerable paperwork entering judging scoring contest Stan Alexander causing thing run smoothly As parting note contrast last years con test during scores posted year Cliff Tacie kept everyone instantaneously formed scoring progression printouts desktop computer prompt service much appreciated Cliff added height ened sense awareness competitors ef forts Nats md Duration/Kruse Continued page 62 mm mark 2040 appeared Belieff new winner Stout Indoor trophy no Young Don gone broke last flight model touched floor after flight 2118 just scant minutes before witch ing hour willing let coveted trophy escape Dan Belieff wound quickly haste launch damaged ship Hurried repalrs ef fected ship launched despite dam age course badly Out trim went floor turns still motor Young Don Slusarezyk done As pun dit said upon strolling out auditorium really beyond Belieff wasnt Most within earshot hurried out reply Credit another good Indoor Nats certainly goes contestants put forth best ef forts both helping fellow modelers THE JOURNAL OF THE AIRPLANE 1920 1940 Leo Opdycke Editor competing against Richard Melody Doig also deserve large measure thanks tireless efforts behalf Indoor fliers As long well-run contest can assured certainly can under supervision Doigs Indoor Nats will continue its right ful place prominence Nats Outdoor Scale/Kruse Continued page 65 bunch people flying airplanes must apolo gize being busy flying attempting take needed photos report did get names because fail ure hesitate name anyone fear of fending might missbut know assured work appreciated Johis Guenther Stan Alexander Ann Underwood caused things again run smoothly midst seemingly obligatory site change thanks behalf contestants look forward next year re sumption full slate Free Flight events among Free Flight Scale will still remain favorite Lii Bit/Browns Continued page 71 ll/6 x 4 x 36 softfuselage top & bottom cov ering ribs x 3 x 36 softfuselage sides ribs jig pieces l/32 x 3 x 36 softformers flaps tips tail surfaces Other Balsa 3A x x 36 medwing LE spars stabi ww1 UREIAL OF TIlE EARLY AEROPLANE Kenn Rust Editor WW1 AERO 19001919 SKYWAYS 1920-1940 two Journals contain infornation current proiects orical research news museuns airshows shop notes technical drawings data infornat ion paint color photographs aeroplanes engines parts sale scale nodelling naferial PLUS wants disposals news current publications kinds PLUS nore. Sanple copies $4 Published WORLD WAR 1 L%pt&i INC 15 Crescent Road Pouqhkecpsie NY 12601 USA 914 473-5679 174 Model Aviation THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great perfor mance Thermal Charger fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 VINTAGE -C PLAN 7 SOLIDATED PBY-5A tCATALINA 9FT WING SPAN ALL RIBS 8 FULL FORMERS SHOWN ON PLANS11 PLASrIC ENGCOWLS $1090 PR CLEAR GUN BLISTERS $ 760 PR 4 LARGE PLAN SHEETS s $ 1895 GET WING SPAN MODEL PBY-5A ENGINE COWLS $750 Plans $1495 GUN BLISTERS $ 5 50 PR ADO $300 POSTAGE CAiAL0BOVER 50 PLANS $100 DEALERS WRITE WORLDWIDE SID MORGAN 13157 ORMONO BELLEVILLE 48111 USA lizer braces 2/ x -in softwing TEs 1 x 1 x 4-in soft blocknose & tail blocks Other Wood l%2 x x 19-in hardwood stripflap & eleva tor joiners plywood approx 1 x 7 firewall landing gear bulkhead bellcrank mount 1A x x 13-in hardwoodmotor mounts Other Materials Plans Building board Straight pins Wax paper 1Cox Tee Dee 049 051 engine 1propeller 6 x 4 Cox plastic Top Flite Zinger wood 11-in plastic spinner Ace RC Inc 1-oz wedge fuel tank Perfect #20 /s x 4-in brats tubingtank vent extension leadout guides 2 small plastic flexible fuel line /16 x 28-in music wtrepushrods landing gear 032 x 4-in music wiretailskid 12-in bellcrank mounting hardware Perfect comparable 36-in length braided lead-out line Perfect com parable 1 pairflying wire clips Perfect Du-Bro com parable 1 pair1%-in-dia plastic wheels Sig comparable 1 pair/s-in wheel collars Perfect Du-Bro comparable 42-56 x -in engine mounting bolts locknuts 2small control horns Perfect comparable flaps elevator 4wire pushrod keepers /6-in-dia music wire 48% x -in similar size fabric control surface hinges Aliphatic resin glue Franklin Tite Bond compar able Five-minute epoxy glue Duro comparable Garnet paper 100- 200-grit Norton compa rable Wet-or-dry paper 400-grit 3M comparable 1 sheetlightweight silkspan Fuel-proof dopeSig clear sanding sealer Diana Cream Stearman Red comparable 1-in numerals AMA license number 1 set012-inx 35-ft braided steel flying wire Sul livan comparable 1A control handle Sullivan comparable Cox Super Power Glow Fuel above parts materials should available local hobby shop Theres word some streets supplies Con trol Line models arent available anymore weve found true able secure everything needed build Lil Bit other models Johnny Clemens Hobby Counter Dallas know other shops stock order Control Line supplies So dont accept Geewe cant get anymore cause its just true Control Line alive Sparrow Hawk/ODwyer Continued page 78 Sparrow Hawk flies best four strands 3/6-in rubber Ten grams FM Champion rubber will 78 80 long Wash off powder coats rubber soapy water Use following method tying rubber will never slip Tie single overhand knot close end possible Laying two ends adja cent other tie another overhand knot two strands Use liberal amounts Continued page 178 Finest Kits Youll Ever Buy Build TraIn-Air 20 Train-Air 40 Sport-Air 40 Bel-AIr 40 40 Hydro-Floats rsa eesy handling uperior serobetic modern looking sport exhibition biplane has filled 55, 6 75 lbs 148 185 207-4901M1 Wise & Uastereeu4ed 1 KIT FEATURES Polyester fiberglass fusalage cowling retractable landing 92 wingspan gear Foam cores wing stab Available major production variations F4F-3 -3A -4 FM-i FM-2 Semi-Kit Fusalage cowling foam cores wing stab canopy retractable landing gear plans$27500 Complete Kit Everything listed semi-kit plus wood parts hardware necessary complete kit including 1/64 plywood sheeting wings$45000 Deluxe Kit Complete kit fusalage preassembled $85000 wings stab presheeted control surfaces prebuilt Information Package $100 VISA/MasterCard accepted add $1500 sh pp ng daho es add 5% Sa es tax Classic Glass PO Box 503 Blackfoot Idaho 83221-0503 Mike Zamber 208 785-2309 November 1988 175 fine tine kits ate machine cut sasist building reel show 80 has fully summetricel wing sections gives gresteat potential serobstic er upflght Inverted ship cspsble very slow close-In type flight right up robatic schedule can muster Classic Glass Grumman Wildcat B limEd ATIIE BEST IN ELECTRIC FLIGHT SPECIALIZING IH ASTRO FLIBHT SYSTEM -ENflI 111 ___________________________________________________ 1 I -RRl i 5l 1j CS Flight SgsteNs 31 Perrj Street Hiddlebero M 023483117 Phone 617947-2905 6 9 P H
Edition: Model Aviation - 1988/11
Page Numbers: 66, 67, 68, 69, 70, 71, 174, 175
The long nose moment combined ciassic goiden-age ilnes produces modei thats good iooking good fiying buiit-up fuseiage nice deviation common profile-type smail Stunt models Spectators cant resist commenting its terrific looks THE IDEA Lil Bit originated right after built Hurricane /2A Stunter kit inspiration decided George just ought design build owncant hard reason another idea got shelved went other things past spring however buildanother-model bug bit pretty hard resurrected old idea designing build ing flying original /2A Stunter started project establishing ba sic criteria Lil Bit model would have 1 look like full-size aircraft 2 inexpensive build 3 easy build fly 4 aerobatic capable Stunting two us have aviation buffs years thoroughly enjoy being around both full-size model aircraft description Since partial between-the-wars World War IIvintage birds decided Lil Bit built-up fuselage classic aviation ap pearance pre dictable flying habits make model great addition anybodys collection Control Line sport models should look like 1930s-era sportster chose ze model because knew costs both building flying would held minimum Also no un usual sizes wood pieces hardware required model met goals youve built profile Control Line kit two LII Bit would good first built66 Model Aviation Co-author chief test pilot Scott fuels up model another flight inexpensive construction operation real plus Lil Bit flashes first flights model stable flier capable performing AMA aerobatics maneuvers Left The red cream color scheme authors chose looks great course could pick combination suit taste Right Tee Dee engine runs well inverted since exhaust underneath model stays much cleaner Note amount rudder offset up fuselage takes little time build hollow fuselage certainly isnt diffi cult bill materials end lists everything youll need Weve included some basic information tips concerning construction sequences techniques newcomers course old experienced hands can just forge ahead ol way choose Construction First study plans read text carefully get idea whats done materials youll use Well tackle wing first since its part folks dread wing built directly over plans best done flat work table bench using 2 x 4-ft building board soft enough stick straight pins such Celotex Youll also need sheet wax paper clear plastic wrap Saran Wrap example lay over wing plan finished wing wont glued paper plans used aliphatic resin glue throughout model except two applicationsthe landing gear tail skld installations Its safe nontoxic cleans up water dries quickly inexpensive strong bull Youll know yellow-colored Elmers Carpenters Wood Glue Franidins Tite Bond Sig Bond other brands Re member doesnt take much glue make strong joint As long get thin coating mating surfacesand hold clamp pin parts together glue dryingyour model will strong enough Another product like ZAR Latex Wood Patch marketed United Gilsonite Laboratories Scranton PA out standing wood filler cracks nicks Packaged soft poly tube screw cap spreads extremely well dries quickly sands smooth takes dope found local hardware store have used household repairs well models wing fashioned jig directly over plans ensure strong straight struc ture first step cut out parts jig Trace wing spar jig piece plan onto paper cut out glue onto rectangular piece 1/16 sheet balsa slightly larger jig piece Cut out five rectangles /16 sheet same size Using tiny dabs glue tack glue six rectangular pieces stack like pancakes After glue dries us ing paper pattern glued onto top stack guide cut out six jig pieces once Since wing spar jig pieces must exactly same size shape en sure proper wing alignment its important cut sand carefully Gently split six pieces apart thin knife razor blade voilayou should have six identical wing spar jig pieces stack method cutting out identical parts quick accurate main wing ribs made same way except templates patterns thin sheet aluminum brass plywood cut identical shape size shown plans used Tack glue templates together before cutting out ensure identical Drill two %-in-dia holes each end horizontal slot rib Cut out 12 W-l rectangular wing rib blanks making slightly larger needed Tack glue blanks stack glue dry drill A-in holes through entire stack using holes rib templates drill bit positioning guide Split two rib templates apart sandwich stack blanks between templates bolt whole stack together %-in-dia bolts nuts Saw carve sand stack blanks finished wing ribs using hard templates end guides After final sanding stack remove bolts templates split ribs apart carefully cut out slots center ribs Make up kit balsa sheet wing parts /16 sheet cut out four W-2 wing ribs four wing tip ribs four wing November 1988 67 Sig plastic wheels set far enough forward mat noseovers problem Thats lower tank vent just behind cylinder 1-in Ace spinner wood prop add realism tip gussets %2 sheet cut out two wing tips two flap halves Finally cut flap joiner %2 x 4-in hard wood Put flap parts aside now Begin wing assembly pinning wing plan building board covering wax paper Pin six wing spar jig pieces onto plan standing upright dotted line positions shown square spar slots top Push straight pins angle down through lower portion jig pieces board Two pins inserted side jig should hold securely Cut two 46 x 34-in trailing edge TE strips two A-in-sq spars 4-insq leading edge LE length shown plan spars TE LB strips same length Pin TE strip over TE drawn plan holding straight edge against strip pin down keep lined up Lay 4-in-sq spars jig slots positioning spar ends line up plan jig pieces carefully cut out pinned onto plan spar should lay jig straight arrow Begin gluing main wing ribs W-1 W-2 place Note W-2s center section wing W-ls outboard Squeeze little glue rear edge rib will contact TE also square spar slot press rib place Carefully align rib over plan checking indi vidually after installation small square drafting triangle ensure vertical After main ribs have glued lower spar TB assemble flaps Note joiner strip inset leading edges flap halves Pin flap halves onto wing plan respective positions glue joiner strip place Pin weight entire flap assembly onto board will straight flat glue dries Install control system wing total pull~ flying Control Line model borne control systemthe handle flying wires lead-out lines bellcrank its mounting help ensure long life model safety pilot spectators control system must rigged securely broken dis lodged flying wire lead-out line bellcrank its mount pushrod control horn al always results crash Take time check control system flying wires lead-outs control handle connec tions pushrod connections control horn integrity before flight Attach lead-out lines bellcrank using safe method shown AMA rule book youre newcomer dont know attach lead-outs bellcrank flying wire clips outboard ends lead-outs ask veteran Control Line flier local hobby shop manager help Cut out 1 x 3%-in rectangle A-in plywood bellcrank mounting platform Drill bellcrank mounting bolt hole point shown plan glue mount place ribs W-2 top lower spar Thread free ends lead-out lines through slots ribs left wing Position bellcrank install onto plywood mount according manufacturers instructions Glue upper spar place pinning ribs Bevel mating surfaces both TB strips slightly give flat gluing surface about A-in wide Pin glue upper TE strip ribs lower TB strip rear edges After glue sets remove pins lift wing out jig Remove flap assembly board lay safely aside now wing tips easily installed wing standing end Glue tips outermost ribs making sure theyre lined up parallel wing leading trailing edges Glue wing tip gussets place Cut two /16 brass tubing lead-out guides length slip over outboard ends lead-out lines glue top left wing tip locations shown plan careful slop glue lead-out lines themselves ac cidentally glue guides loca tions lead-out guides will produce enough flying line sweephack keep Lil Bit tight lines Install flying wire clips outboard ends lead-out wires using AMA rule book method Make two lead-out lines near same total length possible Glue tip ribs onto top bottom wing tips tip rib goes top left wing tip will need notches cut sanded its bottom edge fit over tubing lead-out guides Cover top bottom wing center section soft /16 sheet balsa grain running spanwise Cut out pushrod clearance open ing top sheeting sharp knife finish sandpaper Sand wing surfaces 100-grit gar net paper long sanding block use block made 30-in-long perfectly straight 1 x 2-in hard pine Garnet paper strips 100 200 grit adhered narrow edges aerosol contact cement thus providing double-sided sanding block Hold sanding block spanwise wing surface work carefully LB TB back again also spanwise garnet paper cuts fast very careful sand dips flat spots edges ribs Work slowly achieve smooth continuously curving symmetrical wing profile fuselage built sheet parts should cut out advance Cut fire wall landing gear mount bulkhead F-2 A-in plywood Drill hole fire wall fuel tank suction tube other formers cut %2 sheet balsa grain running vertically Fuselage sides cut /6 sheet balsa grain run ning lengthwise choosing wood other materials model pick out straightest flattest also lightest can find except particular parts must sacrifice weight strength Saving weight wherever possible will definitely make difference flight performance 68 Model Aviation Left Cut out sheet parts first make assembly easier Note holes drilled engine mounts lighten ribs left wing panel will notched later allow clearance lead-outs Right completed airframe ready covering Note clearance notch lower nose sheet needle valve Latex wood filler used make wing fillets Lead-out guides made brass tubing Full-Size Plans Available Page 186 liii*1CC SCAR11 II IiUCAO*C CCC iiiI IIll IIIliii IWLII irIIIii r.I 5 II CEVEL MATING SUCTACES ATGM UY-Aij4 L7n CASM— flrTPIAIGUL*C-,r* PS MACC -- ~A-~5CCLEVATACJONCC CI&ATSICLOMIPoIflAU,OC -LUCY ALCASAMOC LOWICARUCCLAOCSDCCCOflONLOSEAMCFUSCLAGCSCCS FOCCASCOOS2MWTALSCD CLX 7CC CCC A4CPCI SLOWSAMAWICACA7UCLEDCOK MAAKPA DULSOFTFLAP INSTALLAflOS CEPLASE /2-A STUNT/SPORT SHIP FOR 0497051 ENGINES Cut out openings wing pushrod exit slot right fuselage side small pieces side just low flap joiner strip Save last two little pieces theyll replaced after flap installation Cut engine mounts 14-in-sq hardwood used hard pine hard wood would OK Drill holes through engine mounts lighten shown plans Carve out notch lefthand mount clearance upper fuel tank vent tube Glue engine mounts place aligning top edges top edges hi selage sides Remember two fuselage sides different Follow plans care fully make sure mounts glued correctly mounts extend way back former F-3 order transfer en gine vibration whole airframe thus help dampen vibration Lay what will right fuselage side down board mount facing up glue firewall formers F-3 F-5 F-l Check form ers square triangle make sure theyre glued perpendicularly side fuel tank must installed now since fuselage literally built around used Perfect brand #204 -oz wedgeshaped stunt tank size tank carries enough fuel get some aerobatics doesnt keep engine running long re ready drop before quits can course use tank narrow enough fit fuselage use Perfect #20 install exactly per plans fuel suction tube will lined up fuel intake Cox Tee Dee 051 50 youll get decent engine run whether model upright inverted upper tank vent tube will have lengthened will stick up out fuselage recommend adding piece same size tubing sleeve next largest size tubing soldered glued around joint Bevel exposed ends tank vent tubes front model flying ram air effect will pressurize tank help fuel flow some what Well likely get arguments some fliers about its 30-year-old habit thats hard break install tank first glue 5-1 rear firewall glue S-2 lower portion F- 1 remember F- 1 hasnt installed yet Now slide ward end tank place within 5-1 against rear firewall poking fuel pickup tube through hole firewall Glue F-l position sliding up tight against rear tank S-2 fits around tanks rear end Youll likely have little filing trimming sand ing both tank saddles since its tight fit After tank firmly place turn fuselage side upside down its rest ing vertically its top edge form ers sticking out side Mark posi tion former remaining side ap ply glue end former press side also turned upside down place against formers Pin side ends formers until dry Bevel inside mating surfaces rear fuse lage ends glue formers F-7 F-8 place Finally glue rear fuselage ends together install formers F-4 F-6 until after wing place Continued page 70 November 1988 69 2L Scotts sister Sara other pilot family Sara has flying since grade school finds Lii Bit great model show off Astounds boys experience Great Performance Quartet DALOTEL 850 SPAN 69 ins WING AREA 830 sq ins CHIPMUNK 850 SPAN 70 insWING AREA 850 sq ins SPAN 76 EXTRA 230 WING AREA 900 sq ins ZLIN 526 SPAN 72 ins WING AREA 900 sq ins series Sport Scale Balsa ARF Airplanes 120-4 cycle equivalent motors See RCHTA Show October 14-16 1988 available direct select hobby shops ZIMPRO MARKETING Power plant little Cox /zA engines incredibly powerful size weight suitable modifications fuselage nose Cox 049 engines could used would haul Lil Bit around just fine However just hap pened have Tee Dee 051 hand literally designed airframe around tank inverted engine appearances sake runs fine way landing gear far enough ward keep glow plug scraping ground case nose-overwhich far hasnt happened fuselage lying upside down hoard position engine mounts Turn little toward what will right side airframe little outthrust helps keep plane tight lines mark locations four holes mounts Important Re member fuselage upside down mark bolt holes engine off set Drill holes mounts 2-56 x 34-in bolts Bolt engine place bolt heads up plane right-side-up nuts washers will below engine mounts wont poke through nose block its rounded off Install fuel line tank engine plug fuel tank vents tape keep out balsa dust Also wrap engine piece cloth keep clean Bend landing gear 1/16 music wire using true-size layout plan pattern bend gear legs ward shown fuselage side view stall wheels axles secure setscrew wheel collars wash ers epoxied onto axle tips 1%-in wheels lightweight Sig hollow plastic ones Lay upper portion landing gear former F-2 trace outline onto Rout out groove F-2 gear can recessed Lay F-2 board groove up epoxy gear groove being sure gear legs angled upward theyll canted forward after stallation After epoxy set glue F-2 fuselage against back F-i Hold clamp place glue sets Install wing flaps Slide wing through fuselage center theres same amount wing sticking out side fuselage Square wing fuselagethat make sure wing leading edge perpendicular fu selage viewed above Hold square drafting triangle against wing leading edge forward part fu selage ensure right angle youre satisfied wing aligned run bead glue inside outside fuselage wing-fuselage junction bot toms F-3 F-S contact wing Cut out 18 fabric flap hinge strips size shown plan glue flap assembly Also glue flap horn flap joiner strip Slide flap assembly position against wing trailing edge sure control horn sticking up glue free hinge ends wing TE Fin ish wing installation gluing two cutout pieces back fuselage sides gluing formers F-4 F-6 place Cut flap elevator pushrods 1/16 music wire Slide wire keepers pushrods bend right angles ends Install pushrods bellcrank flap horn snap keepers place Wait until elevator installed bend elevator pushrod end Installing pushrods bellcrank bit tedious needle-nose pliers persever ance can done Sheet upper fuselage sections soft 1/16 sheet balsa cut stiff paper pat terns size needed cover upper forward fuselage turtledeck sections transferred patterns sheet balsa Cut balsa little oversize since its lot easier trim shape fill gaps putty Also cut hole nose sheet upper fuel tank vent Install sheet gluing edge upper edge fuselage side soaking sheet water until pliable applying glue formers wrapping sheet over formers Pin sheet edges formers hold position drying bend sheet tail over top F-8 pretty tight keep sheeting splitting use sharp blade lightly score top surface lengthwise few places wraps over F-8 Cut out nose tail blocks soft solid balsa cut %2-in-wide slots tail block vertical horizontal stabilizers Hollow underside nose block clear engine crankcase glue place Cut out install triangular-shaped piece sheet balsa tween rear fuselage sides serve platform attaching stabilizer glue tail block place platform tight against rear F-8 Fill cracks gaps between fu selage top sheets blocks wood fil ler sand blocks proper contour fairing fuselage Continue fill cracks filler sand necessary obtain smooth surface tail surfaces cut %2-in sheet balsa As flaps glue elevators joiner strip pin weight sembly board dry Glue con trol horn joiner strip downwardpointing position shown Cut out 12 fabric hinges attach stabilizer did flaps Position stabilizer glue place fuselage Alignment critical Make sure stabilizer installed parallel wing viewed front rear Also elevator-stabilizer hinge line should parallel wing viewed above good way check align ment measure distance up per wing spar straight back outer tip stabilizer side plane ensure tip isnt cocked forward other 70 Model Aviation PO BOX 3076 OAK RIDGE TN 37830 PHONE 615-482-6188 Glue short length triangular stock un der side stabilizer adjoining fuselage firmly ties stabilizer fuselage adds very little weight Glue vertical stabilizer place making sure absolutely vertical Check square triangle Sheet bottom fuselage sec tions 1/16 balsa grain running crosswise Next glue rudder ver tical stabilizer rear fuse lage Angle slightly provide little right offset Bend tail skid 032 music wire epoxy place Any covering system satisfactory includ ing iron-on variety still prefer silkspan-and-dope route brushed coat Sig fuel-proof clear dope onto wings leading trailing edges center plank ing sanded lightly 400-grit wet-or-dry paper covered wing lightweight silkspan grain running spanwise Dope silkspan leading trailing edges edges wing tips dope silkspan ribsif covering cant adequately move shrinks youll end up sagging covering job After dope dries shrink silkspan spraying lightly water allow ing dry thoroughly dry sanded entire airframe 400-grit wetor-dry paper applied three coats Sig sanding sealer sanding lightly between coats decided nostalgic color scheme overall Sig Diana Cream Stearman Red trim black numerals couple finish coats clear dope would really make shine chose put windshield canopy model certainly could Apply AMA li cense number upper right wing sur face flew Lil Bit Sullivan brand 012in x 35-ft braided lines after carefully checked line pushrod horn connec tions other procedure go through drip Cox fuel through paper coffee filter make sure its super clean Small en gines particularly reed valve variety super-sensitive trashy fuel first takeoff Scott chose full-upelevator catapult shot Tee Dee really wound up swinging Cox 6 x 4 plas tic prop Ace RC 1-in spinner Lil Bit literally jumped off ground headed up up away initial takeoff pretty much wingover lot dancing prancing around out circle until order restored Lil Bit flies exceptionally well though capable skipping through whole pattern suggest place pushrods least sensitive control horn positions until get feel hot little machine hope find Lil Bit much fun have Just remember have fun always fly safely away power lines Bill Materials Sheet Balsa Continued page 174 3 dozen $400 ea 4 dozen $375 ea 5 dozen $360 ea 6 dozen $355 ea Add $400 shipping per order Please send good black white art reproduction Please specify quantity Trans-Cover colors ink color ordering Limit ink color per order Now fliers over world have neat inexpensive functional way protect R/C transmitters dirt dust rain Custom printed club logo Constructed durable canvas lifelong Velcro closure Available red blue green yellow orange black Colors can mixed size fits Send check money order KD GRAPKICS 3315 13th Avenue Columbus Georgia 31904 404/323-2787 9am-Spm EST November 1988 71 U MANS-COVER ey Hal Winters Don Harbin Bert Dugan certainly due thunderous words thanks fine efforts Additional thanks go Ann Underwood keeping up considerable paperwork entering judging scoring contest Stan Alexander causing thing run smoothly As parting note contrast last years con test during scores posted year Cliff Tacie kept everyone instantaneously formed scoring progression printouts desktop computer prompt service much appreciated Cliff added height ened sense awareness competitors ef forts Nats md Duration/Kruse Continued page 62 mm mark 2040 appeared Belieff new winner Stout Indoor trophy no Young Don gone broke last flight model touched floor after flight 2118 just scant minutes before witch ing hour willing let coveted trophy escape Dan Belieff wound quickly haste launch damaged ship Hurried repalrs ef fected ship launched despite dam age course badly Out trim went floor turns still motor Young Don Slusarezyk done As pun dit said upon strolling out auditorium really beyond Belieff wasnt Most within earshot hurried out reply Credit another good Indoor Nats certainly goes contestants put forth best ef forts both helping fellow modelers THE JOURNAL OF THE AIRPLANE 1920 1940 Leo Opdycke Editor competing against Richard Melody Doig also deserve large measure thanks tireless efforts behalf Indoor fliers As long well-run contest can assured certainly can under supervision Doigs Indoor Nats will continue its right ful place prominence Nats Outdoor Scale/Kruse Continued page 65 bunch people flying airplanes must apolo gize being busy flying attempting take needed photos report did get names because fail ure hesitate name anyone fear of fending might missbut know assured work appreciated Johis Guenther Stan Alexander Ann Underwood caused things again run smoothly midst seemingly obligatory site change thanks behalf contestants look forward next year re sumption full slate Free Flight events among Free Flight Scale will still remain favorite Lii Bit/Browns Continued page 71 ll/6 x 4 x 36 softfuselage top & bottom cov ering ribs x 3 x 36 softfuselage sides ribs jig pieces l/32 x 3 x 36 softformers flaps tips tail surfaces Other Balsa 3A x x 36 medwing LE spars stabi ww1 UREIAL OF TIlE EARLY AEROPLANE Kenn Rust Editor WW1 AERO 19001919 SKYWAYS 1920-1940 two Journals contain infornation current proiects orical research news museuns airshows shop notes technical drawings data infornat ion paint color photographs aeroplanes engines parts sale scale nodelling naferial PLUS wants disposals news current publications kinds PLUS nore. Sanple copies $4 Published WORLD WAR 1 L%pt&i INC 15 Crescent Road Pouqhkecpsie NY 12601 USA 914 473-5679 174 Model Aviation THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great perfor mance Thermal Charger fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 VINTAGE -C PLAN 7 SOLIDATED PBY-5A tCATALINA 9FT WING SPAN ALL RIBS 8 FULL FORMERS SHOWN ON PLANS11 PLASrIC ENGCOWLS $1090 PR CLEAR GUN BLISTERS $ 760 PR 4 LARGE PLAN SHEETS s $ 1895 GET WING SPAN MODEL PBY-5A ENGINE COWLS $750 Plans $1495 GUN BLISTERS $ 5 50 PR ADO $300 POSTAGE CAiAL0BOVER 50 PLANS $100 DEALERS WRITE WORLDWIDE SID MORGAN 13157 ORMONO BELLEVILLE 48111 USA lizer braces 2/ x -in softwing TEs 1 x 1 x 4-in soft blocknose & tail blocks Other Wood l%2 x x 19-in hardwood stripflap & eleva tor joiners plywood approx 1 x 7 firewall landing gear bulkhead bellcrank mount 1A x x 13-in hardwoodmotor mounts Other Materials Plans Building board Straight pins Wax paper 1Cox Tee Dee 049 051 engine 1propeller 6 x 4 Cox plastic Top Flite Zinger wood 11-in plastic spinner Ace RC Inc 1-oz wedge fuel tank Perfect #20 /s x 4-in brats tubingtank vent extension leadout guides 2 small plastic flexible fuel line /16 x 28-in music wtrepushrods landing gear 032 x 4-in music wiretailskid 12-in bellcrank mounting hardware Perfect comparable 36-in length braided lead-out line Perfect com parable 1 pairflying wire clips Perfect Du-Bro com parable 1 pair1%-in-dia plastic wheels Sig comparable 1 pair/s-in wheel collars Perfect Du-Bro comparable 42-56 x -in engine mounting bolts locknuts 2small control horns Perfect comparable flaps elevator 4wire pushrod keepers /6-in-dia music wire 48% x -in similar size fabric control surface hinges Aliphatic resin glue Franklin Tite Bond compar able Five-minute epoxy glue Duro comparable Garnet paper 100- 200-grit Norton compa rable Wet-or-dry paper 400-grit 3M comparable 1 sheetlightweight silkspan Fuel-proof dopeSig clear sanding sealer Diana Cream Stearman Red comparable 1-in numerals AMA license number 1 set012-inx 35-ft braided steel flying wire Sul livan comparable 1A control handle Sullivan comparable Cox Super Power Glow Fuel above parts materials should available local hobby shop Theres word some streets supplies Con trol Line models arent available anymore weve found true able secure everything needed build Lil Bit other models Johnny Clemens Hobby Counter Dallas know other shops stock order Control Line supplies So dont accept Geewe cant get anymore cause its just true Control Line alive Sparrow Hawk/ODwyer Continued page 78 Sparrow Hawk flies best four strands 3/6-in rubber Ten grams FM Champion rubber will 78 80 long Wash off powder coats rubber soapy water Use following method tying rubber will never slip Tie single overhand knot close end possible Laying two ends adja cent other tie another overhand knot two strands Use liberal amounts Continued page 178 Finest Kits Youll Ever Buy Build TraIn-Air 20 Train-Air 40 Sport-Air 40 Bel-AIr 40 40 Hydro-Floats rsa eesy handling uperior serobetic modern looking sport exhibition biplane has filled 55, 6 75 lbs 148 185 207-4901M1 Wise & Uastereeu4ed 1 KIT FEATURES Polyester fiberglass fusalage cowling retractable landing 92 wingspan gear Foam cores wing stab Available major production variations F4F-3 -3A -4 FM-i FM-2 Semi-Kit Fusalage cowling foam cores wing stab canopy retractable landing gear plans$27500 Complete Kit Everything listed semi-kit plus wood parts hardware necessary complete kit including 1/64 plywood sheeting wings$45000 Deluxe Kit Complete kit fusalage preassembled $85000 wings stab presheeted control surfaces prebuilt Information Package $100 VISA/MasterCard accepted add $1500 sh pp ng daho es add 5% Sa es tax Classic Glass PO Box 503 Blackfoot Idaho 83221-0503 Mike Zamber 208 785-2309 November 1988 175 fine tine kits ate machine cut sasist building reel show 80 has fully summetricel wing sections gives gresteat potential serobstic er upflght Inverted ship cspsble very slow close-In type flight right up robatic schedule can muster Classic Glass Grumman Wildcat B limEd ATIIE BEST IN ELECTRIC FLIGHT SPECIALIZING IH ASTRO FLIBHT SYSTEM -ENflI 111 ___________________________________________________ 1 I -RRl i 5l 1j CS Flight SgsteNs 31 Perrj Street Hiddlebero M 023483117 Phone 617947-2905 6 9 P H