STANDING ON THE RAMP Chicagos OHare Airport deafened roar big jets its easy picture must have Turning calendars back 50 years takes real effort imagination suddenly complete sensory de tails scene springs mind cracks paving smell oil abun dance noise blasts wind steel fences blur grassy fields moun tains parked cars become nearby hills covered spring wheat Though im age wavers before eyes threatens fade manage hold onto Wherever wings engines dreams ghosts yesterdays wings cant far away Argosy young enthusiast must have formidable almost 20 ft tall huge white wings immense round throbbing enginesnot just two three Mammoth powerfuleven graceful look beyond uncowled engine mounts external control wires sound youve never heard roar big round engines cant fully conceive Argosy sings song sings like top forty tune evanescent wisp thats today gone tomorrow Its vintage song rich classic sound time few fans will really understand particular Argosy acquainted mainstay fledgling British linperial Airways 1926 Its job pave airways London Paris eventually Africa three 14-cylinder Siddely Jaguar LII engines eas ily carried 20 passengers two pilots journeys top speed 90 miles hour Argosy reliable steed 66 Model Aviation Top The size Argosy just right big enough handle flyable weather small enough slip car knocking out windows Above Some would call ugly crude awkward probably polish shoes day have never seen under hood cars Argosy appeals adventurous nostalgic Though soon outstripped faster denizens skies Argosy lives guise Scale model still puts lot flights its around grass field surrounded head-high corn cheered bunch young en thusiasts wilds Minnesota first flight Argosy thrill Though used main engine excitement same remembered rolled out quickly boldly con cerned family hadnt taken air over 50 years alive Thats great thing about Scale models espe cially Control Line Scale catch feel ship gathers its own speed flies command hand Firing up second third engines effect squaring cubing thethrill sound. youve stayed far itching get balsa might want check pulse Otherwise lets build Argosy own Construction Biplanes tough build bug hits youre thats Argosy tougher still building two wings seems like lot about building two wings two stabilizers three rudders two nacelles on project say foregoing discourage warn Argosy model puts together over three-day weekend Its lot workbut very well worth Study plans until can draw sleep find copy Kenneth Munsons book Airliners 1919 Present Day has good very detailed two-view drawing Argosy will help answer lot questions Tail assembly Beginning tail ideal model builder encour aged seeing some quick success Argosy dont really encounter problem excess tail weight fact March 1989 67 Left This will few Scale models youll ever build does need nose weight Wtth wing Argosy has two stabilizers such long tall moment arm smooth-flying model good solid groove Right Dale Kahier does honors hold ing model its maiden flight dummy engines have removed safety three engines running have very careful Left Dave says hopes like letter Imperial Airlines used airplanes advertising space well bright blue white Argosy eye catching Above Most fuselage formers open-box formers made strip stock plywood strip serves pushrod bushing midway between belicrank elevator Tall skid mount plate fuselage bottom visible right Above three-line belicrank located hooked up glued until fiddling done Once pushrods run throttle elevator throws adjusted lead-out holes lo cated epoxied place Right belicrank mount still loose cabane struts can adjusted right fit Note heavy thread wrapping secure wires wooden strip top struts holds right spacing top wing holes add three ounces tail make balancenot usual problem Scale model Cut out parts sheet medium-weight 3A6-in balsa Youll need two stabilizer elevator parts three rudder fin pieces Sand edges appropriately Equip stabilizers elevators favorite hinges mark fin locations top bottom other Glue rudders fins offset shown Glue fins bottom sta bilizer After checking everything straight parallel add upper stabi lizer Reglue joints admire work Any areas missed first sanding can touched up now Wing Cut out ribs tips dihe dral braces notch trailing edges Pin lower spars workbench along leading trailing edges Position ribs appropriate spacings Notice interplane struts / thick key struts thick wing built three panels shown plans After ribs dry add top spars join tip panels center sections including dihedial angles Youll notice lower wing bit longer upper Dont panic thats way its supposed Drill upper wing center rib R-l indicated angle cabane struts Attach land ing gear plate center section lower wing Reglue main joints wings adding gussets think might nec essary Carve leading edges shape give thorough sanding Add tip weight solder wire landing gear pylon place lower wing Key interplane struts key struts exactly what name implies key components system Lay out carefully accurately saw out A-in plywoodthe good five-ply type Lite Ply key struts will carry full load vibration outboard en gines must very strong Note slot wire axle land ing gear Make sure wire can travel slot easily sloppily Trim wing spars required fit key struts wings should fit just right binding warping wings Make whatever adjustments necessary proper fit youre satisfied give struts sanding smoothing leading trailing edges nice radius Cut eight interplane struts A-in plywood Sand set aside Using key struts basis begin making nacelles Youll need make both rightand left-hand nacelle Cut four sides %2-in sheet glue side side key strut Cut out A-in ply wood engine mounts drill glue front key strut Study top view nacelle cut top bot tom parts match %2-in sheet balsa Sand contour shown add other side sheet Repeat procedure other nacelle 68 Model Aviation key struts make life easy comes lining up everything nacelles built right onto struts Both right- left-hand key strut assembly required Note slot shock absorbing axle pre-assembly check helps make sure everything going work glue outboard key strut being fitted Engine Chances youre tired work ing big assemblies time would enjoy some detail work Order 42 dummy plastic engine cylinders PeckPolymers settle bit engine production work make row cylinders shown accompanying photo stripped length A-in sheet width top plastic cylinders glued cylinders strip A-in intervals cyanoacry late CyA Using razor saw cut ciamp-on iead-out guide gathers three lines last set wing struts Thread lines top through slot between sides clamp individually lead through notch small cuts guide hoislike threading sewing machine madness often method picture shows results sleepless night takes 42 dummy cylinders make three 14-cylinder radial engines translates 84 pushrodsl Its bad sounds though Two evenings brought trio together ready Install crankoases 1/64 plywood tubes glued sheet front piece Peck dummy cylinders CyAd strip balsa forms cylinder heads Y PIEL TANOS 4 BIND SSODER5 OZ r RAOIAL ENEMY \Ih1II 007 WINE RISONIG rOIWONAL TSP LNILW AXLE IVTE 0V10 I/NC PLY MOINI SUIE NEICRAWIC II LL SORAPTANK FLLWIEPLY D*ELERS V4PLY ENE MT SECTION 1 9-7 PR K JS 40 EC &ALM BWOX 4L CCX 0495 F III III rIlII 1111 F Ii ii IIIII IIII 11 N OLUMY ElM O-O 00114 WinS iN PLY CLAW -ON LESO OUT SUDE SlSSItW PUSHNOOSNCPIY H . IIK/ill SHEElNO ONrITID air 0 LW S I/NC LW FOONEM SECTiON 0 SECTION N -S/160FF SET TYP 5A6 STABS ELEVAIOM FOG RWE NOON HORN iS SHY __IIIIIiilELEVASON 1yNOm IIII C iT aioss ORES PIMIKBIN IBSB ARMSINOUO NON 7Th ARGOSY CTZTNOL LIET SCALE BY flEE ONUSIT 0I25 4 567BN10 11IIIII xi 2 5527 OF S main engine looks like its being eaten hungry fish Argosy clearly airplane three control lines exit same hole stretched utilitarian technology open cockpit exposed control wires uncowied lead-out guide youre done flying engines would make modern passenger wilt 50 ft yet known its reliability clamp-on guide can removed stored lines better appearance Lets see two stabilizers two elevators three rudders three fins yap its couid almost build two models parts Argosy Note location pushrod exit cylinder off strip leaving % top cylinder head sure make A-in heads same end of cylinders fingernail file enlisted sand flush end rounding off match plastic cylinder round file used finish off cylinder heads step repeated 42 cylinders dummy crankcases built up us ing rolled tube / plywood 1 /8 in di ameter have %-in sheet balsa end Sand balsa shape drill dum Note notch shock-absorbing axle wire axle over-bent before assembly soldered pylon strut center wires bend will support weight model Any additional pressure will taken up travel allowed slots crankcases adequate clearance model engines crankcases Lay crank case plan transfer cylinder centerlines ply lines marked F seven front-row cylinders marked R seven rear Sand bases cylinders rest neatly crankcase before gluing homemade sanding tool consisted piece sandpaper attached 1 1A-in-dia paint bottle Begin gluing operations back row seven cylinders dry cut rocker arms round toothpicks glue two cylinder point access crankcase painting around cylinders rocker arms easy light gray silver hue perfect Glue front row seven cylinders rocker arms onto crankcase Continued page 176 scale engine aii DUt conceals Ins Lox 049 nacelle plywood core inside na celle serves bushing lead-outs Cox engines give Argosy distinctive sound mostly sound main engine sufficient fly model CRADUCCASE 1/64 PLY TUBE Il/ft DISSI 3/DSHTF/R -7 CE DUMMY /42RE5D F CL DUMMY TANKS BIlE B SOLDER 6 16W HEAVY 13EADS/B SO CABANE STRUT MARE 2 IDRILL FOR CABAllED CYIJIBLER CENTER UNES UII II R-3R-Zft-Sft-Sft-SjR3 ENDUE MYS 1/4 PLY 0 REQS I/S SQ LE\ ft-S ftSftS NAOELL SISES 4 REQS 3/32 SHY .I/B STRUT GAPS ill ft5ftSft-S TOP CENTER RECOlOR ft-S ft-S SIIESRAL BRACES 3/16 SQ TOP SPARS SQ BOTTOM SPAR KEY STRUT -111fl1 S REQ SOP I\/1III MY LD WIRE 1/B PLY STRUTS ft REDS \1/ - DUMMY FUELlARKS S REQS OP BALSA iiIII I OSTIP WI2 TOP WINS PANELSft-Sft Sft-Sft-Sft-Sft-Sft-S 1/5 FORMED B NOTCHES YE ft I REQ 0 S/B SHYftS 55 REQD 3/35 SHY ft-S 4 REQS S/SD SHE ~PLY BOTTOM WINSTOP WINS DIHEDRAL BRACES S DA REQS liii ft-S ft-S ft-S ft-S Ill Ill ft-Sft-S ft-S ft-S -I ft-Hft-SR-4R-4ft-4ft-S _____ ] ft-H ft-4 1SF 3/32 SOP S/ASHT ft-S ST REQO 3/35 SHE LA PLY I7WASHSSISBGOLDER I/lB lAW BOTTOM CENTER RECTION BOTTOM WING PANELS R-6 ft-H CONTROL LINE ARSUSY-SNEET SOPS I/ftSHE TIPS PLATE R-6 4 REQS 3/32 5141 WINS TIP RETAIL S All- Balsa ARFs ZMP IN 4 SIIkHOI Su 26M 1/5th Sea/c span 68 arcaBSOsqins meter 4 stroke 120 equtr Preassustiled fuselage sheeted plug-in wings sheeted stabf & rudder 8 dia epoxy cowl texan canopy & illustrated assaibly manual see hobby dealer order direct IMPALA Masters Pattern span 66 area 800sq ins meter 4 stroke 120 60 rear Preassusisled fuselage veneered plugin wings & staba Epoxy cowl pipe cover rsaovable canopy Illustrated assembly manual MONARCH AMA Sport Pattorn span 66 area 750sqns motor 4 stroke 80 60cuin Preausustiled fuselage veneered wing shaped balsa perte texan canopy epoxy cowl illustratd assembly manual g ZIMPRO MARKETING ' P0505 5676 OAK ReGETN 37635 PHONE BiS4SS4iU about suggest buy control lines bulk somebody like Bear Manufac iuring noticed among new AMA rules proposals theres possibility going 021s Fast Slow along 40-size en gines FAI guys will just love FAI noise rule goes effect 1990 World Champs good part civilized world isnt going put up engines noise might quiet Nine ties Ive always felt use muffler need really puts people disadvan tage local meets using muffler rule have planes set up meet tougher noise limits international scene Steve Sacco sent note concerning safety thong issue point model flies across circle its gonna jerk lot harder just let handle fly loose No argument lets use wide safety thongs get someone design good us buy still think plane flying loose danger potential damage someones wrist arm least flier hurt some innocent bystander did some work Johnsons Not-So Scientific Testing Lab found can break 018 lines time good jerk difficult part trying 10 break both lines same time lines fixed solid object might harder model thered flex control system bellerank full 60 ft lines WAM Western Associated ModelersRMcM has used safety thongs decades problems Ive heard several AMA meets Ive flown required safety thongs because flown airports have pictures latest creation please send immediately can have spring gallery Combat models might also comment what think chances dur ing Combat season Ill follow-up fall dont get too carried away boasting about world-beater CL Navy Carrier/Perry Continued page 65 used OS carburetor K&B exhaust baffle swinging Rev-Up 9 x 7 prop Glenns MO-l span 375 wing area 275 sq weighed 3 lb 3 oz High speed event held Pete Ma zur 1127 mph unable finish low speed Petes 3 lb 12 oz 355 sq MO-l powered Webra Speed 61 using fuel meter carburetor exhaust slide pres sure fuel system Prop fiberglass copy Rev-Up 10 x SW Other models achieved speeds excess 90 mph powered almost mix large 60 65 cu small 41 46 cu engines four large three small equal mix large small engines throughout entries same dis tribution did exist among com pleted high-speed flights large engines successfully completed high speed over 90 mph However small engines greatly Out numbered large engines finishing high speed four large eight small larger engines usually equipped pressure fuel systems some suffered reliability problems smaller engines equipped suction fuel systems stock throttles seemed reliable Reliabilily com plex systems usually directly related amount time practice contestant can de vote event Best low speed day went author 158 sec 113 mph Glenn Simpson close behind 116 mph As Class increasing wing loading correlated very closely increas ing speed during slow flight As past dominant glow plug Fox propeller used contes tants Rev-Up popular size Pro file Class well smaller-engined Class II models 9 x 75 9 x 7 also popular Thats month As read hope well along building models next season snow will melting month two Im looking forward using vast expanse parking ramp Griffiss Air Force Base practice Argosy 1/Haught Continued page 70 paint Repeat procedures three dummy engines Too much work pro test results terrific looking Check out photos again see dont agree Fuselage Cut fuselage sides stiff sheets %-in balsa Glue plywood doublers corner blocks Cut out formers tAin plywood firewall formers C identical Wingspan 50 Area 562 sq in. Engine 40-502 cy 45-604 cy Length 45 Weight 4-4A lbs Symetrical Airfoil 4 Channel Kite Feature Machine cut B eanded parts rolled plane hardware pm-bent landing gear Check Money Order US FundsSASE InformatIon CRENSHAW AERO 423W Washington Shelbyville IN 46176 317-398-6528 M ll 400 pm ICST 176 Model Aviation PRE-FAB AIRCRAFT 4Oj65 SIZE p C Sedan Wingspan 70 Area 910 sq in. Engine 60604 cy 45-60 2 cy Length 54 Weight 6-6Y lbs Flat Bottom Wing 4 Channel SHARK 55 AN STRAIGHT SHOULDER WING SHARK ST 60SPAN TAPERED SHOULDER WING IDIWING CORD S7OSRiN 4 TOS5L5FISERGLASS COWL ALUMiNUM MAIN GEAR FLY AS TRIGEAR OR TAILDRAGGEF SALSA PRE-BUILT FUSALAGEBALSA SHEATEDILs FOAM CORE WING MACHINE CUT HAND SANDED STABLLiZER INTRODUCTORY PRICE EU 56993 5400 HANDLING MC VISA MO UPS CODA $275AMEIP b U ADDS I/% TAD IN TEXAS KINGSWAV ENTERPRISES *MPlO45O6wILDACREs SASEHOUSTON TEXAS 77072 FOR CATALOGCALLS-753-621 7782 shape differ material Select engine mount drill necessary holes firewall Add blind nuts back side engine mount drill holes fuel tank tubes used RC clunk tank fit nicely nose right up against fire wall Set up fuselage sides align formers through C over top view glue gether Check everything square dry fit fuel tank add some sheet balsa its floor ceiling block tank place wont move Cut out plywood bellcrank mount bolt three-line bellcrank onto Mount main engine temporarily route throffle pushrod between en gine bellcrank Pull tail together Make rear open formers glue place After retrieving tail assembly un der weeks accumulation dust install elevator horn make elevator link parts Make sure elevators remain paral lel other moved Care fully align tail assembly onto fuse lage glue securely Bend main pushrod fit between bellcrank elevator Before making final connections drill two strips 1/16 plywood clearance holes pushrod wire Slide onto pushrod install pushrod fuselage tabs will cemented place later act pushrod bushings prevent rather long pushrod bowing under compression linkages fitted correctly locate drill necessary holes fu selage side lead-outs After install ing lead-outs replace belicrank glue ply bellcrank mount place Trim bottom fuselage fit lower wing add tail skid assembly Sheet fuselage bottom balsa Bend two cabane strut wires solder top Cut length %-in hard balsa width fuselage interior wrap strut wires cabane wires Fit wires fuselage Before glu ing pin lower ring fuse lage insert key struts position top wing Clamp assembly together clothespins check angle loca tion cabanes should fit nicely holes drilled top center upper wing Once youre satisfied fit glue cabanes Give control sys tem final check plank top fuselage Cut carve nose blocks Make sure clearance around engine throttle linkage can travel freely Carve headrest glue position Covering final assembly finishing Seal exposed wood few coats thin dope Cover wings heavy weight silkspan using light silkspan sheet wood Brush surfaces six coats clear dope Lets assemble beast Using epoxy ID. -a asfl production p arts new American designed 060 powered helicop ter mostl ma e US house now LEGEND kits shipped worldwide daily Reception worlds top fliers has far exceeded ex pectations LEGEND revolutionary its simplistic design engineer though LEGEND mostly made steel aluminum lgtest weight helicopter its size Eight different helicopters can created LEGEND system choosing what best suits just few LEGENDS features new industry EASY TO FLY FLYBARLESS HEAD PREASSEMBLED SERVO TRAY CHOICE OF ROTOR HEADS SIMPLE TAIL BELT DRIVE PREASSEMBLED ROTOR HEAD GEARBOX OR BELTDRIVE TAIL TRIPLE BEARINGS IN EACH TAIL BLADE HOLDER AND MAIN SHAFT jor informationwrite call today 818-992-0195 FAX#81 87020117 r mmmmm mmmmmmm Mail Gorham Model Products INC 23961 Craftsman Road Calabasas CA 91302 [IYES Rush GMP flight demo video tape & catalog $2995 Add $3 postage handling/ $7 Federal Express Standard Air shipment Please indicate format[ IVHS [ IBETA ]YES Rush me.nlyGMPs illustrated color catalog $200 postpaid [IVISA lMasterCard#exp date________ enclose check/money order amount of______________________________ Name Ae1rIrp Ctv Zin super-strong joint begin fuselage lower wing Continue key struts finally upper wing Check angles check wing alignment Examine everything squareness par allelism Measure gap between trail ing edges leading edges wing should get identical figures Fi nally add interplane struts assembly setting up bend main landing gear axle overbending center bend landing gear will pre stressed soldered place giving shock-absorbing effect Slip slots bottom key struts bind cen ter lower pylon solder well Add washers vintage wheels leave adequate space axle wire travel slot Glue dummy fuel tanks upper wing chose color scheme Munsons book vivid effect Its bit under talting especially lettering volved again effort pays off purchased set dry transfer letters Placing sheet white paper used enlarging copier blow letters up sizes needed wings rud der fuselage sides bottom Once sizes wanted cut out MonoKote trim sheets appropriate col ors wire rigging can eliminated wish used some Speed wire lying about Monofilament would also work Continued page 180 March 1989 177 MK 231 OR PFM 3200 Mooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA NATS 1st PLACE WINNER 1988 NATS EXPERT PORSCHE FI7TED MOONEY Instructions Scale Spinner WAYNE SIEWERT 2837 18th Ave So MPLS MN 55407 USA 612-722-7564 RADIO 4-6 CHANNEL ENGINE 90-1082 CYCLE 120-4 CYCLE SPAN 88 AREA 9SOSQIN WEIGHT 12-15# Argosy 1/Haught Continued page 177 well basic rigging pattern shown plan final challenge run lead-outs through maze Use sharpened piece music wire hand drill necessary holes lead-outs through nacelle lead-outs prototype extend few inches beyond nacelles makes less cluttered looking model lead-out guide clamps onto last set interplane struts added flying parts making guide shown plans two long plywood strips glued together space tween Notice line hole identical both strips slots leading holes different front strip slot exits bottom back strip exits top Clamp lead-out guide wing strut line hole about 1 above lower wing flying lines individ ually slipped between strips gap spacer provides bottom side Lead wire through slots hole front back Repeat steps three lines lot easier to explain works well Still happen less vain about biplanes might elect simply glue guide place have done Add engines check thrust gles like super-reliable Cox 049s outer engines because theyre easy start manage main en gine used K&B 40 RC has enough reserve fly Argosy its own Test run engines balance model youre set flying field Twin engines lot fun Triples better Care must taken during starting procedure recommend remove dummy engines before fueling three engines giving warm up run After topping off tanks start engines sequence outboard en gine inboard very care fully main engine Before takeoff re fill running 049s using long exten sion filler plastic tubing Argosy will take off three engines set low throttle main throttle increased touch-and-goes windy conditions things certain Flying piece avi ation history lot easier trying re construct imagination Having ap proached Argosy both angles can vouch Enjoy piece 1926 surely have responding advertisers mention read about ModelAviation FF Duration/Kruse Continued page 73 rewarded return Rocket power its new form Jet-X 50-Z motor new motor seems identical old Jetex 50 Hell-Cat except its nozzle orifice has enlarged ash screen inside has omitted So too has old asbestos/paper gasket ex changed appears rubber composite well new motor performs still mat ter conjecture circles Some modelers report difficulty ignition sequence de scribed product literature others re port no problems seem very pleased motors Available thrust has also largely matter conjecture point advertising litera ture claims powerful longer running Thanks again Fritz Mueller able chart average thrust duration new motor What being shown dot ted line Figure thrust characteristic 12-in loop i/o-in rubber wound 250 turns turning 6-in plastic prop solid line average thrust new Jet-X pellet burned new motor instructions supplied Jet-X warn new fuel pellets NOT used old Jetex motors RMcM Note unlike rubber thrust curve tends decrease almost straight linear fashion Jet-X thrust curve tends increase throughout flight maximum 10 grams thrust ap proximately 12 seconds flight before dropping off burnout own experience bears Out Fritzs analysis watched sheet balsa Jet-X design start High Performance Models presants ECL IPSE Designed Henry Piorun Former Canadian National Champion Canadian Team Member Designed Specifically FAI Pattern Flying Perform Equally Well Other AMA Classes Plug WIngs rglass Belly Pan Pro-Cut Moles WIng Joiner Tubes UltraDght Honeycomb Wlngoores fort 940460 OptIonal PlastIc Fiberglass Canopy Fiberglass Fuselage molded wing Joiner tube HIGH PERFORMANCE MODELS 9556 116 North Daita British Columbia 6Z4 Canada 604-588-0605 old timer perfectly proportioned modeung Curtlss Robin 049 Engines -Channei RIC 41 Wingspan Eiectrlc Power Optiansi Oh arOt Very few full scale sicrah aa ideally suited modal flight appealing old cuntiss Robin wan born spruce linen age beausfully proportroned rubber alactric glow engines Easy fun build tralnerllke performance Flyilne Models catalog SOS Pfrunn 7031 2730503 INE MODELS INC PO Box 2136 Fairfax Virginia 22031 usA 180 Model Aviation Fiberglass Cowlings Windshield Tip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full MORE iNFO BEND SABEJ Basic Kit $15000 Pra-Built Kit $35000 ladd $1500 Sil Send Check Money Order to
Edition: Model Aviation - 1989/03
Page Numbers: 66, 67, 68, 69, 70, 71, 176, 177, 180
STANDING ON THE RAMP Chicagos OHare Airport deafened roar big jets its easy picture must have Turning calendars back 50 years takes real effort imagination suddenly complete sensory de tails scene springs mind cracks paving smell oil abun dance noise blasts wind steel fences blur grassy fields moun tains parked cars become nearby hills covered spring wheat Though im age wavers before eyes threatens fade manage hold onto Wherever wings engines dreams ghosts yesterdays wings cant far away Argosy young enthusiast must have formidable almost 20 ft tall huge white wings immense round throbbing enginesnot just two three Mammoth powerfuleven graceful look beyond uncowled engine mounts external control wires sound youve never heard roar big round engines cant fully conceive Argosy sings song sings like top forty tune evanescent wisp thats today gone tomorrow Its vintage song rich classic sound time few fans will really understand particular Argosy acquainted mainstay fledgling British linperial Airways 1926 Its job pave airways London Paris eventually Africa three 14-cylinder Siddely Jaguar LII engines eas ily carried 20 passengers two pilots journeys top speed 90 miles hour Argosy reliable steed 66 Model Aviation Top The size Argosy just right big enough handle flyable weather small enough slip car knocking out windows Above Some would call ugly crude awkward probably polish shoes day have never seen under hood cars Argosy appeals adventurous nostalgic Though soon outstripped faster denizens skies Argosy lives guise Scale model still puts lot flights its around grass field surrounded head-high corn cheered bunch young en thusiasts wilds Minnesota first flight Argosy thrill Though used main engine excitement same remembered rolled out quickly boldly con cerned family hadnt taken air over 50 years alive Thats great thing about Scale models espe cially Control Line Scale catch feel ship gathers its own speed flies command hand Firing up second third engines effect squaring cubing thethrill sound. youve stayed far itching get balsa might want check pulse Otherwise lets build Argosy own Construction Biplanes tough build bug hits youre thats Argosy tougher still building two wings seems like lot about building two wings two stabilizers three rudders two nacelles on project say foregoing discourage warn Argosy model puts together over three-day weekend Its lot workbut very well worth Study plans until can draw sleep find copy Kenneth Munsons book Airliners 1919 Present Day has good very detailed two-view drawing Argosy will help answer lot questions Tail assembly Beginning tail ideal model builder encour aged seeing some quick success Argosy dont really encounter problem excess tail weight fact March 1989 67 Left This will few Scale models youll ever build does need nose weight Wtth wing Argosy has two stabilizers such long tall moment arm smooth-flying model good solid groove Right Dale Kahier does honors hold ing model its maiden flight dummy engines have removed safety three engines running have very careful Left Dave says hopes like letter Imperial Airlines used airplanes advertising space well bright blue white Argosy eye catching Above Most fuselage formers open-box formers made strip stock plywood strip serves pushrod bushing midway between belicrank elevator Tall skid mount plate fuselage bottom visible right Above three-line belicrank located hooked up glued until fiddling done Once pushrods run throttle elevator throws adjusted lead-out holes lo cated epoxied place Right belicrank mount still loose cabane struts can adjusted right fit Note heavy thread wrapping secure wires wooden strip top struts holds right spacing top wing holes add three ounces tail make balancenot usual problem Scale model Cut out parts sheet medium-weight 3A6-in balsa Youll need two stabilizer elevator parts three rudder fin pieces Sand edges appropriately Equip stabilizers elevators favorite hinges mark fin locations top bottom other Glue rudders fins offset shown Glue fins bottom sta bilizer After checking everything straight parallel add upper stabi lizer Reglue joints admire work Any areas missed first sanding can touched up now Wing Cut out ribs tips dihe dral braces notch trailing edges Pin lower spars workbench along leading trailing edges Position ribs appropriate spacings Notice interplane struts / thick key struts thick wing built three panels shown plans After ribs dry add top spars join tip panels center sections including dihedial angles Youll notice lower wing bit longer upper Dont panic thats way its supposed Drill upper wing center rib R-l indicated angle cabane struts Attach land ing gear plate center section lower wing Reglue main joints wings adding gussets think might nec essary Carve leading edges shape give thorough sanding Add tip weight solder wire landing gear pylon place lower wing Key interplane struts key struts exactly what name implies key components system Lay out carefully accurately saw out A-in plywoodthe good five-ply type Lite Ply key struts will carry full load vibration outboard en gines must very strong Note slot wire axle land ing gear Make sure wire can travel slot easily sloppily Trim wing spars required fit key struts wings should fit just right binding warping wings Make whatever adjustments necessary proper fit youre satisfied give struts sanding smoothing leading trailing edges nice radius Cut eight interplane struts A-in plywood Sand set aside Using key struts basis begin making nacelles Youll need make both rightand left-hand nacelle Cut four sides %2-in sheet glue side side key strut Cut out A-in ply wood engine mounts drill glue front key strut Study top view nacelle cut top bot tom parts match %2-in sheet balsa Sand contour shown add other side sheet Repeat procedure other nacelle 68 Model Aviation key struts make life easy comes lining up everything nacelles built right onto struts Both right- left-hand key strut assembly required Note slot shock absorbing axle pre-assembly check helps make sure everything going work glue outboard key strut being fitted Engine Chances youre tired work ing big assemblies time would enjoy some detail work Order 42 dummy plastic engine cylinders PeckPolymers settle bit engine production work make row cylinders shown accompanying photo stripped length A-in sheet width top plastic cylinders glued cylinders strip A-in intervals cyanoacry late CyA Using razor saw cut ciamp-on iead-out guide gathers three lines last set wing struts Thread lines top through slot between sides clamp individually lead through notch small cuts guide hoislike threading sewing machine madness often method picture shows results sleepless night takes 42 dummy cylinders make three 14-cylinder radial engines translates 84 pushrodsl Its bad sounds though Two evenings brought trio together ready Install crankoases 1/64 plywood tubes glued sheet front piece Peck dummy cylinders CyAd strip balsa forms cylinder heads Y PIEL TANOS 4 BIND SSODER5 OZ r RAOIAL ENEMY \Ih1II 007 WINE RISONIG rOIWONAL TSP LNILW AXLE IVTE 0V10 I/NC PLY MOINI SUIE NEICRAWIC II LL SORAPTANK FLLWIEPLY D*ELERS V4PLY ENE MT SECTION 1 9-7 PR K JS 40 EC &ALM BWOX 4L CCX 0495 F III III rIlII 1111 F Ii ii IIIII IIII 11 N OLUMY ElM O-O 00114 WinS iN PLY CLAW -ON LESO OUT SUDE SlSSItW PUSHNOOSNCPIY H . IIK/ill SHEElNO ONrITID air 0 LW S I/NC LW FOONEM SECTiON 0 SECTION N -S/160FF SET TYP 5A6 STABS ELEVAIOM FOG RWE NOON HORN iS SHY __IIIIIiilELEVASON 1yNOm IIII C iT aioss ORES PIMIKBIN IBSB ARMSINOUO NON 7Th ARGOSY CTZTNOL LIET SCALE BY flEE ONUSIT 0I25 4 567BN10 11IIIII xi 2 5527 OF S main engine looks like its being eaten hungry fish Argosy clearly airplane three control lines exit same hole stretched utilitarian technology open cockpit exposed control wires uncowied lead-out guide youre done flying engines would make modern passenger wilt 50 ft yet known its reliability clamp-on guide can removed stored lines better appearance Lets see two stabilizers two elevators three rudders three fins yap its couid almost build two models parts Argosy Note location pushrod exit cylinder off strip leaving % top cylinder head sure make A-in heads same end of cylinders fingernail file enlisted sand flush end rounding off match plastic cylinder round file used finish off cylinder heads step repeated 42 cylinders dummy crankcases built up us ing rolled tube / plywood 1 /8 in di ameter have %-in sheet balsa end Sand balsa shape drill dum Note notch shock-absorbing axle wire axle over-bent before assembly soldered pylon strut center wires bend will support weight model Any additional pressure will taken up travel allowed slots crankcases adequate clearance model engines crankcases Lay crank case plan transfer cylinder centerlines ply lines marked F seven front-row cylinders marked R seven rear Sand bases cylinders rest neatly crankcase before gluing homemade sanding tool consisted piece sandpaper attached 1 1A-in-dia paint bottle Begin gluing operations back row seven cylinders dry cut rocker arms round toothpicks glue two cylinder point access crankcase painting around cylinders rocker arms easy light gray silver hue perfect Glue front row seven cylinders rocker arms onto crankcase Continued page 176 scale engine aii DUt conceals Ins Lox 049 nacelle plywood core inside na celle serves bushing lead-outs Cox engines give Argosy distinctive sound mostly sound main engine sufficient fly model CRADUCCASE 1/64 PLY TUBE Il/ft DISSI 3/DSHTF/R -7 CE DUMMY /42RE5D F CL DUMMY TANKS BIlE B SOLDER 6 16W HEAVY 13EADS/B SO CABANE STRUT MARE 2 IDRILL FOR CABAllED CYIJIBLER CENTER UNES UII II R-3R-Zft-Sft-Sft-SjR3 ENDUE MYS 1/4 PLY 0 REQS I/S SQ LE\ ft-S ftSftS NAOELL SISES 4 REQS 3/32 SHY .I/B STRUT GAPS ill ft5ftSft-S TOP CENTER RECOlOR ft-S ft-S SIIESRAL BRACES 3/16 SQ TOP SPARS SQ BOTTOM SPAR KEY STRUT -111fl1 S REQ SOP I\/1III MY LD WIRE 1/B PLY STRUTS ft REDS \1/ - DUMMY FUELlARKS S REQS OP BALSA iiIII I OSTIP WI2 TOP WINS PANELSft-Sft Sft-Sft-Sft-Sft-Sft-S 1/5 FORMED B NOTCHES YE ft I REQ 0 S/B SHYftS 55 REQD 3/35 SHY ft-S 4 REQS S/SD SHE ~PLY BOTTOM WINSTOP WINS DIHEDRAL BRACES S DA REQS liii ft-S ft-S ft-S ft-S Ill Ill ft-Sft-S ft-S ft-S -I ft-Hft-SR-4R-4ft-4ft-S _____ ] ft-H ft-4 1SF 3/32 SOP S/ASHT ft-S ST REQO 3/35 SHE LA PLY I7WASHSSISBGOLDER I/lB lAW BOTTOM CENTER RECTION BOTTOM WING PANELS R-6 ft-H CONTROL LINE ARSUSY-SNEET SOPS I/ftSHE TIPS PLATE R-6 4 REQS 3/32 5141 WINS TIP RETAIL S All- Balsa ARFs ZMP IN 4 SIIkHOI Su 26M 1/5th Sea/c span 68 arcaBSOsqins meter 4 stroke 120 equtr Preassustiled fuselage sheeted plug-in wings sheeted stabf & rudder 8 dia epoxy cowl texan canopy & illustrated assaibly manual see hobby dealer order direct IMPALA Masters Pattern span 66 area 800sq ins meter 4 stroke 120 60 rear Preassusisled fuselage veneered plugin wings & staba Epoxy cowl pipe cover rsaovable canopy Illustrated assembly manual MONARCH AMA Sport Pattorn span 66 area 750sqns motor 4 stroke 80 60cuin Preausustiled fuselage veneered wing shaped balsa perte texan canopy epoxy cowl illustratd assembly manual g ZIMPRO MARKETING ' P0505 5676 OAK ReGETN 37635 PHONE BiS4SS4iU about suggest buy control lines bulk somebody like Bear Manufac iuring noticed among new AMA rules proposals theres possibility going 021s Fast Slow along 40-size en gines FAI guys will just love FAI noise rule goes effect 1990 World Champs good part civilized world isnt going put up engines noise might quiet Nine ties Ive always felt use muffler need really puts people disadvan tage local meets using muffler rule have planes set up meet tougher noise limits international scene Steve Sacco sent note concerning safety thong issue point model flies across circle its gonna jerk lot harder just let handle fly loose No argument lets use wide safety thongs get someone design good us buy still think plane flying loose danger potential damage someones wrist arm least flier hurt some innocent bystander did some work Johnsons Not-So Scientific Testing Lab found can break 018 lines time good jerk difficult part trying 10 break both lines same time lines fixed solid object might harder model thered flex control system bellerank full 60 ft lines WAM Western Associated ModelersRMcM has used safety thongs decades problems Ive heard several AMA meets Ive flown required safety thongs because flown airports have pictures latest creation please send immediately can have spring gallery Combat models might also comment what think chances dur ing Combat season Ill follow-up fall dont get too carried away boasting about world-beater CL Navy Carrier/Perry Continued page 65 used OS carburetor K&B exhaust baffle swinging Rev-Up 9 x 7 prop Glenns MO-l span 375 wing area 275 sq weighed 3 lb 3 oz High speed event held Pete Ma zur 1127 mph unable finish low speed Petes 3 lb 12 oz 355 sq MO-l powered Webra Speed 61 using fuel meter carburetor exhaust slide pres sure fuel system Prop fiberglass copy Rev-Up 10 x SW Other models achieved speeds excess 90 mph powered almost mix large 60 65 cu small 41 46 cu engines four large three small equal mix large small engines throughout entries same dis tribution did exist among com pleted high-speed flights large engines successfully completed high speed over 90 mph However small engines greatly Out numbered large engines finishing high speed four large eight small larger engines usually equipped pressure fuel systems some suffered reliability problems smaller engines equipped suction fuel systems stock throttles seemed reliable Reliabilily com plex systems usually directly related amount time practice contestant can de vote event Best low speed day went author 158 sec 113 mph Glenn Simpson close behind 116 mph As Class increasing wing loading correlated very closely increas ing speed during slow flight As past dominant glow plug Fox propeller used contes tants Rev-Up popular size Pro file Class well smaller-engined Class II models 9 x 75 9 x 7 also popular Thats month As read hope well along building models next season snow will melting month two Im looking forward using vast expanse parking ramp Griffiss Air Force Base practice Argosy 1/Haught Continued page 70 paint Repeat procedures three dummy engines Too much work pro test results terrific looking Check out photos again see dont agree Fuselage Cut fuselage sides stiff sheets %-in balsa Glue plywood doublers corner blocks Cut out formers tAin plywood firewall formers C identical Wingspan 50 Area 562 sq in. Engine 40-502 cy 45-604 cy Length 45 Weight 4-4A lbs Symetrical Airfoil 4 Channel Kite Feature Machine cut B eanded parts rolled plane hardware pm-bent landing gear Check Money Order US FundsSASE InformatIon CRENSHAW AERO 423W Washington Shelbyville IN 46176 317-398-6528 M ll 400 pm ICST 176 Model Aviation PRE-FAB AIRCRAFT 4Oj65 SIZE p C Sedan Wingspan 70 Area 910 sq in. Engine 60604 cy 45-60 2 cy Length 54 Weight 6-6Y lbs Flat Bottom Wing 4 Channel SHARK 55 AN STRAIGHT SHOULDER WING SHARK ST 60SPAN TAPERED SHOULDER WING IDIWING CORD S7OSRiN 4 TOS5L5FISERGLASS COWL ALUMiNUM MAIN GEAR FLY AS TRIGEAR OR TAILDRAGGEF SALSA PRE-BUILT FUSALAGEBALSA SHEATEDILs FOAM CORE WING MACHINE CUT HAND SANDED STABLLiZER INTRODUCTORY PRICE EU 56993 5400 HANDLING MC VISA MO UPS CODA $275AMEIP b U ADDS I/% TAD IN TEXAS KINGSWAV ENTERPRISES *MPlO45O6wILDACREs SASEHOUSTON TEXAS 77072 FOR CATALOGCALLS-753-621 7782 shape differ material Select engine mount drill necessary holes firewall Add blind nuts back side engine mount drill holes fuel tank tubes used RC clunk tank fit nicely nose right up against fire wall Set up fuselage sides align formers through C over top view glue gether Check everything square dry fit fuel tank add some sheet balsa its floor ceiling block tank place wont move Cut out plywood bellcrank mount bolt three-line bellcrank onto Mount main engine temporarily route throffle pushrod between en gine bellcrank Pull tail together Make rear open formers glue place After retrieving tail assembly un der weeks accumulation dust install elevator horn make elevator link parts Make sure elevators remain paral lel other moved Care fully align tail assembly onto fuse lage glue securely Bend main pushrod fit between bellcrank elevator Before making final connections drill two strips 1/16 plywood clearance holes pushrod wire Slide onto pushrod install pushrod fuselage tabs will cemented place later act pushrod bushings prevent rather long pushrod bowing under compression linkages fitted correctly locate drill necessary holes fu selage side lead-outs After install ing lead-outs replace belicrank glue ply bellcrank mount place Trim bottom fuselage fit lower wing add tail skid assembly Sheet fuselage bottom balsa Bend two cabane strut wires solder top Cut length %-in hard balsa width fuselage interior wrap strut wires cabane wires Fit wires fuselage Before glu ing pin lower ring fuse lage insert key struts position top wing Clamp assembly together clothespins check angle loca tion cabanes should fit nicely holes drilled top center upper wing Once youre satisfied fit glue cabanes Give control sys tem final check plank top fuselage Cut carve nose blocks Make sure clearance around engine throttle linkage can travel freely Carve headrest glue position Covering final assembly finishing Seal exposed wood few coats thin dope Cover wings heavy weight silkspan using light silkspan sheet wood Brush surfaces six coats clear dope Lets assemble beast Using epoxy ID. -a asfl production p arts new American designed 060 powered helicop ter mostl ma e US house now LEGEND kits shipped worldwide daily Reception worlds top fliers has far exceeded ex pectations LEGEND revolutionary its simplistic design engineer though LEGEND mostly made steel aluminum lgtest weight helicopter its size Eight different helicopters can created LEGEND system choosing what best suits just few LEGENDS features new industry EASY TO FLY FLYBARLESS HEAD PREASSEMBLED SERVO TRAY CHOICE OF ROTOR HEADS SIMPLE TAIL BELT DRIVE PREASSEMBLED ROTOR HEAD GEARBOX OR BELTDRIVE TAIL TRIPLE BEARINGS IN EACH TAIL BLADE HOLDER AND MAIN SHAFT jor informationwrite call today 818-992-0195 FAX#81 87020117 r mmmmm mmmmmmm Mail Gorham Model Products INC 23961 Craftsman Road Calabasas CA 91302 [IYES Rush GMP flight demo video tape & catalog $2995 Add $3 postage handling/ $7 Federal Express Standard Air shipment Please indicate format[ IVHS [ IBETA ]YES Rush me.nlyGMPs illustrated color catalog $200 postpaid [IVISA lMasterCard#exp date________ enclose check/money order amount of______________________________ Name Ae1rIrp Ctv Zin super-strong joint begin fuselage lower wing Continue key struts finally upper wing Check angles check wing alignment Examine everything squareness par allelism Measure gap between trail ing edges leading edges wing should get identical figures Fi nally add interplane struts assembly setting up bend main landing gear axle overbending center bend landing gear will pre stressed soldered place giving shock-absorbing effect Slip slots bottom key struts bind cen ter lower pylon solder well Add washers vintage wheels leave adequate space axle wire travel slot Glue dummy fuel tanks upper wing chose color scheme Munsons book vivid effect Its bit under talting especially lettering volved again effort pays off purchased set dry transfer letters Placing sheet white paper used enlarging copier blow letters up sizes needed wings rud der fuselage sides bottom Once sizes wanted cut out MonoKote trim sheets appropriate col ors wire rigging can eliminated wish used some Speed wire lying about Monofilament would also work Continued page 180 March 1989 177 MK 231 OR PFM 3200 Mooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA NATS 1st PLACE WINNER 1988 NATS EXPERT PORSCHE FI7TED MOONEY Instructions Scale Spinner WAYNE SIEWERT 2837 18th Ave So MPLS MN 55407 USA 612-722-7564 RADIO 4-6 CHANNEL ENGINE 90-1082 CYCLE 120-4 CYCLE SPAN 88 AREA 9SOSQIN WEIGHT 12-15# Argosy 1/Haught Continued page 177 well basic rigging pattern shown plan final challenge run lead-outs through maze Use sharpened piece music wire hand drill necessary holes lead-outs through nacelle lead-outs prototype extend few inches beyond nacelles makes less cluttered looking model lead-out guide clamps onto last set interplane struts added flying parts making guide shown plans two long plywood strips glued together space tween Notice line hole identical both strips slots leading holes different front strip slot exits bottom back strip exits top Clamp lead-out guide wing strut line hole about 1 above lower wing flying lines individ ually slipped between strips gap spacer provides bottom side Lead wire through slots hole front back Repeat steps three lines lot easier to explain works well Still happen less vain about biplanes might elect simply glue guide place have done Add engines check thrust gles like super-reliable Cox 049s outer engines because theyre easy start manage main en gine used K&B 40 RC has enough reserve fly Argosy its own Test run engines balance model youre set flying field Twin engines lot fun Triples better Care must taken during starting procedure recommend remove dummy engines before fueling three engines giving warm up run After topping off tanks start engines sequence outboard en gine inboard very care fully main engine Before takeoff re fill running 049s using long exten sion filler plastic tubing Argosy will take off three engines set low throttle main throttle increased touch-and-goes windy conditions things certain Flying piece avi ation history lot easier trying re construct imagination Having ap proached Argosy both angles can vouch Enjoy piece 1926 surely have responding advertisers mention read about ModelAviation FF Duration/Kruse Continued page 73 rewarded return Rocket power its new form Jet-X 50-Z motor new motor seems identical old Jetex 50 Hell-Cat except its nozzle orifice has enlarged ash screen inside has omitted So too has old asbestos/paper gasket ex changed appears rubber composite well new motor performs still mat ter conjecture circles Some modelers report difficulty ignition sequence de scribed product literature others re port no problems seem very pleased motors Available thrust has also largely matter conjecture point advertising litera ture claims powerful longer running Thanks again Fritz Mueller able chart average thrust duration new motor What being shown dot ted line Figure thrust characteristic 12-in loop i/o-in rubber wound 250 turns turning 6-in plastic prop solid line average thrust new Jet-X pellet burned new motor instructions supplied Jet-X warn new fuel pellets NOT used old Jetex motors RMcM Note unlike rubber thrust curve tends decrease almost straight linear fashion Jet-X thrust curve tends increase throughout flight maximum 10 grams thrust ap proximately 12 seconds flight before dropping off burnout own experience bears Out Fritzs analysis watched sheet balsa Jet-X design start High Performance Models presants ECL IPSE Designed Henry Piorun Former Canadian National Champion Canadian Team Member Designed Specifically FAI Pattern Flying Perform Equally Well Other AMA Classes Plug WIngs rglass Belly Pan Pro-Cut Moles WIng Joiner Tubes UltraDght Honeycomb Wlngoores fort 940460 OptIonal PlastIc Fiberglass Canopy Fiberglass Fuselage molded wing Joiner tube HIGH PERFORMANCE MODELS 9556 116 North Daita British Columbia 6Z4 Canada 604-588-0605 old timer perfectly proportioned modeung Curtlss Robin 049 Engines -Channei RIC 41 Wingspan Eiectrlc Power Optiansi Oh arOt Very few full scale sicrah aa ideally suited modal flight appealing old cuntiss Robin wan born spruce linen age beausfully proportroned rubber alactric glow engines Easy fun build tralnerllke performance Flyilne Models catalog SOS Pfrunn 7031 2730503 INE MODELS INC PO Box 2136 Fairfax Virginia 22031 usA 180 Model Aviation Fiberglass Cowlings Windshield Tip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full MORE iNFO BEND SABEJ Basic Kit $15000 Pra-Built Kit $35000 ladd $1500 Sil Send Check Money Order to
Edition: Model Aviation - 1989/03
Page Numbers: 66, 67, 68, 69, 70, 71, 176, 177, 180
STANDING ON THE RAMP Chicagos OHare Airport deafened roar big jets its easy picture must have Turning calendars back 50 years takes real effort imagination suddenly complete sensory de tails scene springs mind cracks paving smell oil abun dance noise blasts wind steel fences blur grassy fields moun tains parked cars become nearby hills covered spring wheat Though im age wavers before eyes threatens fade manage hold onto Wherever wings engines dreams ghosts yesterdays wings cant far away Argosy young enthusiast must have formidable almost 20 ft tall huge white wings immense round throbbing enginesnot just two three Mammoth powerfuleven graceful look beyond uncowled engine mounts external control wires sound youve never heard roar big round engines cant fully conceive Argosy sings song sings like top forty tune evanescent wisp thats today gone tomorrow Its vintage song rich classic sound time few fans will really understand particular Argosy acquainted mainstay fledgling British linperial Airways 1926 Its job pave airways London Paris eventually Africa three 14-cylinder Siddely Jaguar LII engines eas ily carried 20 passengers two pilots journeys top speed 90 miles hour Argosy reliable steed 66 Model Aviation Top The size Argosy just right big enough handle flyable weather small enough slip car knocking out windows Above Some would call ugly crude awkward probably polish shoes day have never seen under hood cars Argosy appeals adventurous nostalgic Though soon outstripped faster denizens skies Argosy lives guise Scale model still puts lot flights its around grass field surrounded head-high corn cheered bunch young en thusiasts wilds Minnesota first flight Argosy thrill Though used main engine excitement same remembered rolled out quickly boldly con cerned family hadnt taken air over 50 years alive Thats great thing about Scale models espe cially Control Line Scale catch feel ship gathers its own speed flies command hand Firing up second third engines effect squaring cubing thethrill sound. youve stayed far itching get balsa might want check pulse Otherwise lets build Argosy own Construction Biplanes tough build bug hits youre thats Argosy tougher still building two wings seems like lot about building two wings two stabilizers three rudders two nacelles on project say foregoing discourage warn Argosy model puts together over three-day weekend Its lot workbut very well worth Study plans until can draw sleep find copy Kenneth Munsons book Airliners 1919 Present Day has good very detailed two-view drawing Argosy will help answer lot questions Tail assembly Beginning tail ideal model builder encour aged seeing some quick success Argosy dont really encounter problem excess tail weight fact March 1989 67 Left This will few Scale models youll ever build does need nose weight Wtth wing Argosy has two stabilizers such long tall moment arm smooth-flying model good solid groove Right Dale Kahier does honors hold ing model its maiden flight dummy engines have removed safety three engines running have very careful Left Dave says hopes like letter Imperial Airlines used airplanes advertising space well bright blue white Argosy eye catching Above Most fuselage formers open-box formers made strip stock plywood strip serves pushrod bushing midway between belicrank elevator Tall skid mount plate fuselage bottom visible right Above three-line belicrank located hooked up glued until fiddling done Once pushrods run throttle elevator throws adjusted lead-out holes lo cated epoxied place Right belicrank mount still loose cabane struts can adjusted right fit Note heavy thread wrapping secure wires wooden strip top struts holds right spacing top wing holes add three ounces tail make balancenot usual problem Scale model Cut out parts sheet medium-weight 3A6-in balsa Youll need two stabilizer elevator parts three rudder fin pieces Sand edges appropriately Equip stabilizers elevators favorite hinges mark fin locations top bottom other Glue rudders fins offset shown Glue fins bottom sta bilizer After checking everything straight parallel add upper stabi lizer Reglue joints admire work Any areas missed first sanding can touched up now Wing Cut out ribs tips dihe dral braces notch trailing edges Pin lower spars workbench along leading trailing edges Position ribs appropriate spacings Notice interplane struts / thick key struts thick wing built three panels shown plans After ribs dry add top spars join tip panels center sections including dihedial angles Youll notice lower wing bit longer upper Dont panic thats way its supposed Drill upper wing center rib R-l indicated angle cabane struts Attach land ing gear plate center section lower wing Reglue main joints wings adding gussets think might nec essary Carve leading edges shape give thorough sanding Add tip weight solder wire landing gear pylon place lower wing Key interplane struts key struts exactly what name implies key components system Lay out carefully accurately saw out A-in plywoodthe good five-ply type Lite Ply key struts will carry full load vibration outboard en gines must very strong Note slot wire axle land ing gear Make sure wire can travel slot easily sloppily Trim wing spars required fit key struts wings should fit just right binding warping wings Make whatever adjustments necessary proper fit youre satisfied give struts sanding smoothing leading trailing edges nice radius Cut eight interplane struts A-in plywood Sand set aside Using key struts basis begin making nacelles Youll need make both rightand left-hand nacelle Cut four sides %2-in sheet glue side side key strut Cut out A-in ply wood engine mounts drill glue front key strut Study top view nacelle cut top bot tom parts match %2-in sheet balsa Sand contour shown add other side sheet Repeat procedure other nacelle 68 Model Aviation key struts make life easy comes lining up everything nacelles built right onto struts Both right- left-hand key strut assembly required Note slot shock absorbing axle pre-assembly check helps make sure everything going work glue outboard key strut being fitted Engine Chances youre tired work ing big assemblies time would enjoy some detail work Order 42 dummy plastic engine cylinders PeckPolymers settle bit engine production work make row cylinders shown accompanying photo stripped length A-in sheet width top plastic cylinders glued cylinders strip A-in intervals cyanoacry late CyA Using razor saw cut ciamp-on iead-out guide gathers three lines last set wing struts Thread lines top through slot between sides clamp individually lead through notch small cuts guide hoislike threading sewing machine madness often method picture shows results sleepless night takes 42 dummy cylinders make three 14-cylinder radial engines translates 84 pushrodsl Its bad sounds though Two evenings brought trio together ready Install crankoases 1/64 plywood tubes glued sheet front piece Peck dummy cylinders CyAd strip balsa forms cylinder heads Y PIEL TANOS 4 BIND SSODER5 OZ r RAOIAL ENEMY \Ih1II 007 WINE RISONIG rOIWONAL TSP LNILW AXLE IVTE 0V10 I/NC PLY MOINI SUIE NEICRAWIC II LL SORAPTANK FLLWIEPLY D*ELERS V4PLY ENE MT SECTION 1 9-7 PR K JS 40 EC &ALM BWOX 4L CCX 0495 F III III rIlII 1111 F Ii ii IIIII IIII 11 N OLUMY ElM O-O 00114 WinS iN PLY CLAW -ON LESO OUT SUDE SlSSItW PUSHNOOSNCPIY H . IIK/ill SHEElNO ONrITID air 0 LW S I/NC LW FOONEM SECTiON 0 SECTION N -S/160FF SET TYP 5A6 STABS ELEVAIOM FOG RWE NOON HORN iS SHY __IIIIIiilELEVASON 1yNOm IIII C iT aioss ORES PIMIKBIN IBSB ARMSINOUO NON 7Th ARGOSY CTZTNOL LIET SCALE BY flEE ONUSIT 0I25 4 567BN10 11IIIII xi 2 5527 OF S main engine looks like its being eaten hungry fish Argosy clearly airplane three control lines exit same hole stretched utilitarian technology open cockpit exposed control wires uncowied lead-out guide youre done flying engines would make modern passenger wilt 50 ft yet known its reliability clamp-on guide can removed stored lines better appearance Lets see two stabilizers two elevators three rudders three fins yap its couid almost build two models parts Argosy Note location pushrod exit cylinder off strip leaving % top cylinder head sure make A-in heads same end of cylinders fingernail file enlisted sand flush end rounding off match plastic cylinder round file used finish off cylinder heads step repeated 42 cylinders dummy crankcases built up us ing rolled tube / plywood 1 /8 in di ameter have %-in sheet balsa end Sand balsa shape drill dum Note notch shock-absorbing axle wire axle over-bent before assembly soldered pylon strut center wires bend will support weight model Any additional pressure will taken up travel allowed slots crankcases adequate clearance model engines crankcases Lay crank case plan transfer cylinder centerlines ply lines marked F seven front-row cylinders marked R seven rear Sand bases cylinders rest neatly crankcase before gluing homemade sanding tool consisted piece sandpaper attached 1 1A-in-dia paint bottle Begin gluing operations back row seven cylinders dry cut rocker arms round toothpicks glue two cylinder point access crankcase painting around cylinders rocker arms easy light gray silver hue perfect Glue front row seven cylinders rocker arms onto crankcase Continued page 176 scale engine aii DUt conceals Ins Lox 049 nacelle plywood core inside na celle serves bushing lead-outs Cox engines give Argosy distinctive sound mostly sound main engine sufficient fly model CRADUCCASE 1/64 PLY TUBE Il/ft DISSI 3/DSHTF/R -7 CE DUMMY /42RE5D F CL DUMMY TANKS BIlE B SOLDER 6 16W HEAVY 13EADS/B SO CABANE STRUT MARE 2 IDRILL FOR CABAllED CYIJIBLER CENTER UNES UII II R-3R-Zft-Sft-Sft-SjR3 ENDUE MYS 1/4 PLY 0 REQS I/S SQ LE\ ft-S ftSftS NAOELL SISES 4 REQS 3/32 SHY .I/B STRUT GAPS ill ft5ftSft-S TOP CENTER RECOlOR ft-S ft-S SIIESRAL BRACES 3/16 SQ TOP SPARS SQ BOTTOM SPAR KEY STRUT -111fl1 S REQ SOP I\/1III MY LD WIRE 1/B PLY STRUTS ft REDS \1/ - DUMMY FUELlARKS S REQS OP BALSA iiIII I OSTIP WI2 TOP WINS PANELSft-Sft Sft-Sft-Sft-Sft-Sft-S 1/5 FORMED B NOTCHES YE ft I REQ 0 S/B SHYftS 55 REQD 3/35 SHY ft-S 4 REQS S/SD SHE ~PLY BOTTOM WINSTOP WINS DIHEDRAL BRACES S DA REQS liii ft-S ft-S ft-S ft-S Ill Ill ft-Sft-S ft-S ft-S -I ft-Hft-SR-4R-4ft-4ft-S _____ ] ft-H ft-4 1SF 3/32 SOP S/ASHT ft-S ST REQO 3/35 SHE LA PLY I7WASHSSISBGOLDER I/lB lAW BOTTOM CENTER RECTION BOTTOM WING PANELS R-6 ft-H CONTROL LINE ARSUSY-SNEET SOPS I/ftSHE TIPS PLATE R-6 4 REQS 3/32 5141 WINS TIP RETAIL S All- Balsa ARFs ZMP IN 4 SIIkHOI Su 26M 1/5th Sea/c span 68 arcaBSOsqins meter 4 stroke 120 equtr Preassustiled fuselage sheeted plug-in wings sheeted stabf & rudder 8 dia epoxy cowl texan canopy & illustrated assaibly manual see hobby dealer order direct IMPALA Masters Pattern span 66 area 800sq ins meter 4 stroke 120 60 rear Preassusisled fuselage veneered plugin wings & staba Epoxy cowl pipe cover rsaovable canopy Illustrated assembly manual MONARCH AMA Sport Pattorn span 66 area 750sqns motor 4 stroke 80 60cuin Preausustiled fuselage veneered wing shaped balsa perte texan canopy epoxy cowl illustratd assembly manual g ZIMPRO MARKETING ' P0505 5676 OAK ReGETN 37635 PHONE BiS4SS4iU about suggest buy control lines bulk somebody like Bear Manufac iuring noticed among new AMA rules proposals theres possibility going 021s Fast Slow along 40-size en gines FAI guys will just love FAI noise rule goes effect 1990 World Champs good part civilized world isnt going put up engines noise might quiet Nine ties Ive always felt use muffler need really puts people disadvan tage local meets using muffler rule have planes set up meet tougher noise limits international scene Steve Sacco sent note concerning safety thong issue point model flies across circle its gonna jerk lot harder just let handle fly loose No argument lets use wide safety thongs get someone design good us buy still think plane flying loose danger potential damage someones wrist arm least flier hurt some innocent bystander did some work Johnsons Not-So Scientific Testing Lab found can break 018 lines time good jerk difficult part trying 10 break both lines same time lines fixed solid object might harder model thered flex control system bellerank full 60 ft lines WAM Western Associated ModelersRMcM has used safety thongs decades problems Ive heard several AMA meets Ive flown required safety thongs because flown airports have pictures latest creation please send immediately can have spring gallery Combat models might also comment what think chances dur ing Combat season Ill follow-up fall dont get too carried away boasting about world-beater CL Navy Carrier/Perry Continued page 65 used OS carburetor K&B exhaust baffle swinging Rev-Up 9 x 7 prop Glenns MO-l span 375 wing area 275 sq weighed 3 lb 3 oz High speed event held Pete Ma zur 1127 mph unable finish low speed Petes 3 lb 12 oz 355 sq MO-l powered Webra Speed 61 using fuel meter carburetor exhaust slide pres sure fuel system Prop fiberglass copy Rev-Up 10 x SW Other models achieved speeds excess 90 mph powered almost mix large 60 65 cu small 41 46 cu engines four large three small equal mix large small engines throughout entries same dis tribution did exist among com pleted high-speed flights large engines successfully completed high speed over 90 mph However small engines greatly Out numbered large engines finishing high speed four large eight small larger engines usually equipped pressure fuel systems some suffered reliability problems smaller engines equipped suction fuel systems stock throttles seemed reliable Reliabilily com plex systems usually directly related amount time practice contestant can de vote event Best low speed day went author 158 sec 113 mph Glenn Simpson close behind 116 mph As Class increasing wing loading correlated very closely increas ing speed during slow flight As past dominant glow plug Fox propeller used contes tants Rev-Up popular size Pro file Class well smaller-engined Class II models 9 x 75 9 x 7 also popular Thats month As read hope well along building models next season snow will melting month two Im looking forward using vast expanse parking ramp Griffiss Air Force Base practice Argosy 1/Haught Continued page 70 paint Repeat procedures three dummy engines Too much work pro test results terrific looking Check out photos again see dont agree Fuselage Cut fuselage sides stiff sheets %-in balsa Glue plywood doublers corner blocks Cut out formers tAin plywood firewall formers C identical Wingspan 50 Area 562 sq in. Engine 40-502 cy 45-604 cy Length 45 Weight 4-4A lbs Symetrical Airfoil 4 Channel Kite Feature Machine cut B eanded parts rolled plane hardware pm-bent landing gear Check Money Order US FundsSASE InformatIon CRENSHAW AERO 423W Washington Shelbyville IN 46176 317-398-6528 M ll 400 pm ICST 176 Model Aviation PRE-FAB AIRCRAFT 4Oj65 SIZE p C Sedan Wingspan 70 Area 910 sq in. Engine 60604 cy 45-60 2 cy Length 54 Weight 6-6Y lbs Flat Bottom Wing 4 Channel SHARK 55 AN STRAIGHT SHOULDER WING SHARK ST 60SPAN TAPERED SHOULDER WING IDIWING CORD S7OSRiN 4 TOS5L5FISERGLASS COWL ALUMiNUM MAIN GEAR FLY AS TRIGEAR OR TAILDRAGGEF SALSA PRE-BUILT FUSALAGEBALSA SHEATEDILs FOAM CORE WING MACHINE CUT HAND SANDED STABLLiZER INTRODUCTORY PRICE EU 56993 5400 HANDLING MC VISA MO UPS CODA $275AMEIP b U ADDS I/% TAD IN TEXAS KINGSWAV ENTERPRISES *MPlO45O6wILDACREs SASEHOUSTON TEXAS 77072 FOR CATALOGCALLS-753-621 7782 shape differ material Select engine mount drill necessary holes firewall Add blind nuts back side engine mount drill holes fuel tank tubes used RC clunk tank fit nicely nose right up against fire wall Set up fuselage sides align formers through C over top view glue gether Check everything square dry fit fuel tank add some sheet balsa its floor ceiling block tank place wont move Cut out plywood bellcrank mount bolt three-line bellcrank onto Mount main engine temporarily route throffle pushrod between en gine bellcrank Pull tail together Make rear open formers glue place After retrieving tail assembly un der weeks accumulation dust install elevator horn make elevator link parts Make sure elevators remain paral lel other moved Care fully align tail assembly onto fuse lage glue securely Bend main pushrod fit between bellcrank elevator Before making final connections drill two strips 1/16 plywood clearance holes pushrod wire Slide onto pushrod install pushrod fuselage tabs will cemented place later act pushrod bushings prevent rather long pushrod bowing under compression linkages fitted correctly locate drill necessary holes fu selage side lead-outs After install ing lead-outs replace belicrank glue ply bellcrank mount place Trim bottom fuselage fit lower wing add tail skid assembly Sheet fuselage bottom balsa Bend two cabane strut wires solder top Cut length %-in hard balsa width fuselage interior wrap strut wires cabane wires Fit wires fuselage Before glu ing pin lower ring fuse lage insert key struts position top wing Clamp assembly together clothespins check angle loca tion cabanes should fit nicely holes drilled top center upper wing Once youre satisfied fit glue cabanes Give control sys tem final check plank top fuselage Cut carve nose blocks Make sure clearance around engine throttle linkage can travel freely Carve headrest glue position Covering final assembly finishing Seal exposed wood few coats thin dope Cover wings heavy weight silkspan using light silkspan sheet wood Brush surfaces six coats clear dope Lets assemble beast Using epoxy ID. -a asfl production p arts new American designed 060 powered helicop ter mostl ma e US house now LEGEND kits shipped worldwide daily Reception worlds top fliers has far exceeded ex pectations LEGEND revolutionary its simplistic design engineer though LEGEND mostly made steel aluminum lgtest weight helicopter its size Eight different helicopters can created LEGEND system choosing what best suits just few LEGENDS features new industry EASY TO FLY FLYBARLESS HEAD PREASSEMBLED SERVO TRAY CHOICE OF ROTOR HEADS SIMPLE TAIL BELT DRIVE PREASSEMBLED ROTOR HEAD GEARBOX OR BELTDRIVE TAIL TRIPLE BEARINGS IN EACH TAIL BLADE HOLDER AND MAIN SHAFT jor informationwrite call today 818-992-0195 FAX#81 87020117 r mmmmm mmmmmmm Mail Gorham Model Products INC 23961 Craftsman Road Calabasas CA 91302 [IYES Rush GMP flight demo video tape & catalog $2995 Add $3 postage handling/ $7 Federal Express Standard Air shipment Please indicate format[ IVHS [ IBETA ]YES Rush me.nlyGMPs illustrated color catalog $200 postpaid [IVISA lMasterCard#exp date________ enclose check/money order amount of______________________________ Name Ae1rIrp Ctv Zin super-strong joint begin fuselage lower wing Continue key struts finally upper wing Check angles check wing alignment Examine everything squareness par allelism Measure gap between trail ing edges leading edges wing should get identical figures Fi nally add interplane struts assembly setting up bend main landing gear axle overbending center bend landing gear will pre stressed soldered place giving shock-absorbing effect Slip slots bottom key struts bind cen ter lower pylon solder well Add washers vintage wheels leave adequate space axle wire travel slot Glue dummy fuel tanks upper wing chose color scheme Munsons book vivid effect Its bit under talting especially lettering volved again effort pays off purchased set dry transfer letters Placing sheet white paper used enlarging copier blow letters up sizes needed wings rud der fuselage sides bottom Once sizes wanted cut out MonoKote trim sheets appropriate col ors wire rigging can eliminated wish used some Speed wire lying about Monofilament would also work Continued page 180 March 1989 177 MK 231 OR PFM 3200 Mooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA NATS 1st PLACE WINNER 1988 NATS EXPERT PORSCHE FI7TED MOONEY Instructions Scale Spinner WAYNE SIEWERT 2837 18th Ave So MPLS MN 55407 USA 612-722-7564 RADIO 4-6 CHANNEL ENGINE 90-1082 CYCLE 120-4 CYCLE SPAN 88 AREA 9SOSQIN WEIGHT 12-15# Argosy 1/Haught Continued page 177 well basic rigging pattern shown plan final challenge run lead-outs through maze Use sharpened piece music wire hand drill necessary holes lead-outs through nacelle lead-outs prototype extend few inches beyond nacelles makes less cluttered looking model lead-out guide clamps onto last set interplane struts added flying parts making guide shown plans two long plywood strips glued together space tween Notice line hole identical both strips slots leading holes different front strip slot exits bottom back strip exits top Clamp lead-out guide wing strut line hole about 1 above lower wing flying lines individ ually slipped between strips gap spacer provides bottom side Lead wire through slots hole front back Repeat steps three lines lot easier to explain works well Still happen less vain about biplanes might elect simply glue guide place have done Add engines check thrust gles like super-reliable Cox 049s outer engines because theyre easy start manage main en gine used K&B 40 RC has enough reserve fly Argosy its own Test run engines balance model youre set flying field Twin engines lot fun Triples better Care must taken during starting procedure recommend remove dummy engines before fueling three engines giving warm up run After topping off tanks start engines sequence outboard en gine inboard very care fully main engine Before takeoff re fill running 049s using long exten sion filler plastic tubing Argosy will take off three engines set low throttle main throttle increased touch-and-goes windy conditions things certain Flying piece avi ation history lot easier trying re construct imagination Having ap proached Argosy both angles can vouch Enjoy piece 1926 surely have responding advertisers mention read about ModelAviation FF Duration/Kruse Continued page 73 rewarded return Rocket power its new form Jet-X 50-Z motor new motor seems identical old Jetex 50 Hell-Cat except its nozzle orifice has enlarged ash screen inside has omitted So too has old asbestos/paper gasket ex changed appears rubber composite well new motor performs still mat ter conjecture circles Some modelers report difficulty ignition sequence de scribed product literature others re port no problems seem very pleased motors Available thrust has also largely matter conjecture point advertising litera ture claims powerful longer running Thanks again Fritz Mueller able chart average thrust duration new motor What being shown dot ted line Figure thrust characteristic 12-in loop i/o-in rubber wound 250 turns turning 6-in plastic prop solid line average thrust new Jet-X pellet burned new motor instructions supplied Jet-X warn new fuel pellets NOT used old Jetex motors RMcM Note unlike rubber thrust curve tends decrease almost straight linear fashion Jet-X thrust curve tends increase throughout flight maximum 10 grams thrust ap proximately 12 seconds flight before dropping off burnout own experience bears Out Fritzs analysis watched sheet balsa Jet-X design start High Performance Models presants ECL IPSE Designed Henry Piorun Former Canadian National Champion Canadian Team Member Designed Specifically FAI Pattern Flying Perform Equally Well Other AMA Classes Plug WIngs rglass Belly Pan Pro-Cut Moles WIng Joiner Tubes UltraDght Honeycomb Wlngoores fort 940460 OptIonal PlastIc Fiberglass Canopy Fiberglass Fuselage molded wing Joiner tube HIGH PERFORMANCE MODELS 9556 116 North Daita British Columbia 6Z4 Canada 604-588-0605 old timer perfectly proportioned modeung Curtlss Robin 049 Engines -Channei RIC 41 Wingspan Eiectrlc Power Optiansi Oh arOt Very few full scale sicrah aa ideally suited modal flight appealing old cuntiss Robin wan born spruce linen age beausfully proportroned rubber alactric glow engines Easy fun build tralnerllke performance Flyilne Models catalog SOS Pfrunn 7031 2730503 INE MODELS INC PO Box 2136 Fairfax Virginia 22031 usA 180 Model Aviation Fiberglass Cowlings Windshield Tip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full MORE iNFO BEND SABEJ Basic Kit $15000 Pra-Built Kit $35000 ladd $1500 Sil Send Check Money Order to
Edition: Model Aviation - 1989/03
Page Numbers: 66, 67, 68, 69, 70, 71, 176, 177, 180
STANDING ON THE RAMP Chicagos OHare Airport deafened roar big jets its easy picture must have Turning calendars back 50 years takes real effort imagination suddenly complete sensory de tails scene springs mind cracks paving smell oil abun dance noise blasts wind steel fences blur grassy fields moun tains parked cars become nearby hills covered spring wheat Though im age wavers before eyes threatens fade manage hold onto Wherever wings engines dreams ghosts yesterdays wings cant far away Argosy young enthusiast must have formidable almost 20 ft tall huge white wings immense round throbbing enginesnot just two three Mammoth powerfuleven graceful look beyond uncowled engine mounts external control wires sound youve never heard roar big round engines cant fully conceive Argosy sings song sings like top forty tune evanescent wisp thats today gone tomorrow Its vintage song rich classic sound time few fans will really understand particular Argosy acquainted mainstay fledgling British linperial Airways 1926 Its job pave airways London Paris eventually Africa three 14-cylinder Siddely Jaguar LII engines eas ily carried 20 passengers two pilots journeys top speed 90 miles hour Argosy reliable steed 66 Model Aviation Top The size Argosy just right big enough handle flyable weather small enough slip car knocking out windows Above Some would call ugly crude awkward probably polish shoes day have never seen under hood cars Argosy appeals adventurous nostalgic Though soon outstripped faster denizens skies Argosy lives guise Scale model still puts lot flights its around grass field surrounded head-high corn cheered bunch young en thusiasts wilds Minnesota first flight Argosy thrill Though used main engine excitement same remembered rolled out quickly boldly con cerned family hadnt taken air over 50 years alive Thats great thing about Scale models espe cially Control Line Scale catch feel ship gathers its own speed flies command hand Firing up second third engines effect squaring cubing thethrill sound. youve stayed far itching get balsa might want check pulse Otherwise lets build Argosy own Construction Biplanes tough build bug hits youre thats Argosy tougher still building two wings seems like lot about building two wings two stabilizers three rudders two nacelles on project say foregoing discourage warn Argosy model puts together over three-day weekend Its lot workbut very well worth Study plans until can draw sleep find copy Kenneth Munsons book Airliners 1919 Present Day has good very detailed two-view drawing Argosy will help answer lot questions Tail assembly Beginning tail ideal model builder encour aged seeing some quick success Argosy dont really encounter problem excess tail weight fact March 1989 67 Left This will few Scale models youll ever build does need nose weight Wtth wing Argosy has two stabilizers such long tall moment arm smooth-flying model good solid groove Right Dale Kahier does honors hold ing model its maiden flight dummy engines have removed safety three engines running have very careful Left Dave says hopes like letter Imperial Airlines used airplanes advertising space well bright blue white Argosy eye catching Above Most fuselage formers open-box formers made strip stock plywood strip serves pushrod bushing midway between belicrank elevator Tall skid mount plate fuselage bottom visible right Above three-line belicrank located hooked up glued until fiddling done Once pushrods run throttle elevator throws adjusted lead-out holes lo cated epoxied place Right belicrank mount still loose cabane struts can adjusted right fit Note heavy thread wrapping secure wires wooden strip top struts holds right spacing top wing holes add three ounces tail make balancenot usual problem Scale model Cut out parts sheet medium-weight 3A6-in balsa Youll need two stabilizer elevator parts three rudder fin pieces Sand edges appropriately Equip stabilizers elevators favorite hinges mark fin locations top bottom other Glue rudders fins offset shown Glue fins bottom sta bilizer After checking everything straight parallel add upper stabi lizer Reglue joints admire work Any areas missed first sanding can touched up now Wing Cut out ribs tips dihe dral braces notch trailing edges Pin lower spars workbench along leading trailing edges Position ribs appropriate spacings Notice interplane struts / thick key struts thick wing built three panels shown plans After ribs dry add top spars join tip panels center sections including dihedial angles Youll notice lower wing bit longer upper Dont panic thats way its supposed Drill upper wing center rib R-l indicated angle cabane struts Attach land ing gear plate center section lower wing Reglue main joints wings adding gussets think might nec essary Carve leading edges shape give thorough sanding Add tip weight solder wire landing gear pylon place lower wing Key interplane struts key struts exactly what name implies key components system Lay out carefully accurately saw out A-in plywoodthe good five-ply type Lite Ply key struts will carry full load vibration outboard en gines must very strong Note slot wire axle land ing gear Make sure wire can travel slot easily sloppily Trim wing spars required fit key struts wings should fit just right binding warping wings Make whatever adjustments necessary proper fit youre satisfied give struts sanding smoothing leading trailing edges nice radius Cut eight interplane struts A-in plywood Sand set aside Using key struts basis begin making nacelles Youll need make both rightand left-hand nacelle Cut four sides %2-in sheet glue side side key strut Cut out A-in ply wood engine mounts drill glue front key strut Study top view nacelle cut top bot tom parts match %2-in sheet balsa Sand contour shown add other side sheet Repeat procedure other nacelle 68 Model Aviation key struts make life easy comes lining up everything nacelles built right onto struts Both right- left-hand key strut assembly required Note slot shock absorbing axle pre-assembly check helps make sure everything going work glue outboard key strut being fitted Engine Chances youre tired work ing big assemblies time would enjoy some detail work Order 42 dummy plastic engine cylinders PeckPolymers settle bit engine production work make row cylinders shown accompanying photo stripped length A-in sheet width top plastic cylinders glued cylinders strip A-in intervals cyanoacry late CyA Using razor saw cut ciamp-on iead-out guide gathers three lines last set wing struts Thread lines top through slot between sides clamp individually lead through notch small cuts guide hoislike threading sewing machine madness often method picture shows results sleepless night takes 42 dummy cylinders make three 14-cylinder radial engines translates 84 pushrodsl Its bad sounds though Two evenings brought trio together ready Install crankoases 1/64 plywood tubes glued sheet front piece Peck dummy cylinders CyAd strip balsa forms cylinder heads Y PIEL TANOS 4 BIND SSODER5 OZ r RAOIAL ENEMY \Ih1II 007 WINE RISONIG rOIWONAL TSP LNILW AXLE IVTE 0V10 I/NC PLY MOINI SUIE NEICRAWIC II LL SORAPTANK FLLWIEPLY D*ELERS V4PLY ENE MT SECTION 1 9-7 PR K JS 40 EC &ALM BWOX 4L CCX 0495 F III III rIlII 1111 F Ii ii IIIII IIII 11 N OLUMY ElM O-O 00114 WinS iN PLY CLAW -ON LESO OUT SUDE SlSSItW PUSHNOOSNCPIY H . IIK/ill SHEElNO ONrITID air 0 LW S I/NC LW FOONEM SECTiON 0 SECTION N -S/160FF SET TYP 5A6 STABS ELEVAIOM FOG RWE NOON HORN iS SHY __IIIIIiilELEVASON 1yNOm IIII C iT aioss ORES PIMIKBIN IBSB ARMSINOUO NON 7Th ARGOSY CTZTNOL LIET SCALE BY flEE ONUSIT 0I25 4 567BN10 11IIIII xi 2 5527 OF S main engine looks like its being eaten hungry fish Argosy clearly airplane three control lines exit same hole stretched utilitarian technology open cockpit exposed control wires uncowied lead-out guide youre done flying engines would make modern passenger wilt 50 ft yet known its reliability clamp-on guide can removed stored lines better appearance Lets see two stabilizers two elevators three rudders three fins yap its couid almost build two models parts Argosy Note location pushrod exit cylinder off strip leaving % top cylinder head sure make A-in heads same end of cylinders fingernail file enlisted sand flush end rounding off match plastic cylinder round file used finish off cylinder heads step repeated 42 cylinders dummy crankcases built up us ing rolled tube / plywood 1 /8 in di ameter have %-in sheet balsa end Sand balsa shape drill dum Note notch shock-absorbing axle wire axle over-bent before assembly soldered pylon strut center wires bend will support weight model Any additional pressure will taken up travel allowed slots crankcases adequate clearance model engines crankcases Lay crank case plan transfer cylinder centerlines ply lines marked F seven front-row cylinders marked R seven rear Sand bases cylinders rest neatly crankcase before gluing homemade sanding tool consisted piece sandpaper attached 1 1A-in-dia paint bottle Begin gluing operations back row seven cylinders dry cut rocker arms round toothpicks glue two cylinder point access crankcase painting around cylinders rocker arms easy light gray silver hue perfect Glue front row seven cylinders rocker arms onto crankcase Continued page 176 scale engine aii DUt conceals Ins Lox 049 nacelle plywood core inside na celle serves bushing lead-outs Cox engines give Argosy distinctive sound mostly sound main engine sufficient fly model CRADUCCASE 1/64 PLY TUBE Il/ft DISSI 3/DSHTF/R -7 CE DUMMY /42RE5D F CL DUMMY TANKS BIlE B SOLDER 6 16W HEAVY 13EADS/B SO CABANE STRUT MARE 2 IDRILL FOR CABAllED CYIJIBLER CENTER UNES UII II R-3R-Zft-Sft-Sft-SjR3 ENDUE MYS 1/4 PLY 0 REQS I/S SQ LE\ ft-S ftSftS NAOELL SISES 4 REQS 3/32 SHY .I/B STRUT GAPS ill ft5ftSft-S TOP CENTER RECOlOR ft-S ft-S SIIESRAL BRACES 3/16 SQ TOP SPARS SQ BOTTOM SPAR KEY STRUT -111fl1 S REQ SOP I\/1III MY LD WIRE 1/B PLY STRUTS ft REDS \1/ - DUMMY FUELlARKS S REQS OP BALSA iiIII I OSTIP WI2 TOP WINS PANELSft-Sft Sft-Sft-Sft-Sft-Sft-S 1/5 FORMED B NOTCHES YE ft I REQ 0 S/B SHYftS 55 REQD 3/35 SHY ft-S 4 REQS S/SD SHE ~PLY BOTTOM WINSTOP WINS DIHEDRAL BRACES S DA REQS liii ft-S ft-S ft-S ft-S Ill Ill ft-Sft-S ft-S ft-S -I ft-Hft-SR-4R-4ft-4ft-S _____ ] ft-H ft-4 1SF 3/32 SOP S/ASHT ft-S ST REQO 3/35 SHE LA PLY I7WASHSSISBGOLDER I/lB lAW BOTTOM CENTER RECTION BOTTOM WING PANELS R-6 ft-H CONTROL LINE ARSUSY-SNEET SOPS I/ftSHE TIPS PLATE R-6 4 REQS 3/32 5141 WINS TIP RETAIL S All- Balsa ARFs ZMP IN 4 SIIkHOI Su 26M 1/5th Sea/c span 68 arcaBSOsqins meter 4 stroke 120 equtr Preassustiled fuselage sheeted plug-in wings sheeted stabf & rudder 8 dia epoxy cowl texan canopy & illustrated assaibly manual see hobby dealer order direct IMPALA Masters Pattern span 66 area 800sq ins meter 4 stroke 120 60 rear Preassusisled fuselage veneered plugin wings & staba Epoxy cowl pipe cover rsaovable canopy Illustrated assembly manual MONARCH AMA Sport Pattorn span 66 area 750sqns motor 4 stroke 80 60cuin Preausustiled fuselage veneered wing shaped balsa perte texan canopy epoxy cowl illustratd assembly manual g ZIMPRO MARKETING ' P0505 5676 OAK ReGETN 37635 PHONE BiS4SS4iU about suggest buy control lines bulk somebody like Bear Manufac iuring noticed among new AMA rules proposals theres possibility going 021s Fast Slow along 40-size en gines FAI guys will just love FAI noise rule goes effect 1990 World Champs good part civilized world isnt going put up engines noise might quiet Nine ties Ive always felt use muffler need really puts people disadvan tage local meets using muffler rule have planes set up meet tougher noise limits international scene Steve Sacco sent note concerning safety thong issue point model flies across circle its gonna jerk lot harder just let handle fly loose No argument lets use wide safety thongs get someone design good us buy still think plane flying loose danger potential damage someones wrist arm least flier hurt some innocent bystander did some work Johnsons Not-So Scientific Testing Lab found can break 018 lines time good jerk difficult part trying 10 break both lines same time lines fixed solid object might harder model thered flex control system bellerank full 60 ft lines WAM Western Associated ModelersRMcM has used safety thongs decades problems Ive heard several AMA meets Ive flown required safety thongs because flown airports have pictures latest creation please send immediately can have spring gallery Combat models might also comment what think chances dur ing Combat season Ill follow-up fall dont get too carried away boasting about world-beater CL Navy Carrier/Perry Continued page 65 used OS carburetor K&B exhaust baffle swinging Rev-Up 9 x 7 prop Glenns MO-l span 375 wing area 275 sq weighed 3 lb 3 oz High speed event held Pete Ma zur 1127 mph unable finish low speed Petes 3 lb 12 oz 355 sq MO-l powered Webra Speed 61 using fuel meter carburetor exhaust slide pres sure fuel system Prop fiberglass copy Rev-Up 10 x SW Other models achieved speeds excess 90 mph powered almost mix large 60 65 cu small 41 46 cu engines four large three small equal mix large small engines throughout entries same dis tribution did exist among com pleted high-speed flights large engines successfully completed high speed over 90 mph However small engines greatly Out numbered large engines finishing high speed four large eight small larger engines usually equipped pressure fuel systems some suffered reliability problems smaller engines equipped suction fuel systems stock throttles seemed reliable Reliabilily com plex systems usually directly related amount time practice contestant can de vote event Best low speed day went author 158 sec 113 mph Glenn Simpson close behind 116 mph As Class increasing wing loading correlated very closely increas ing speed during slow flight As past dominant glow plug Fox propeller used contes tants Rev-Up popular size Pro file Class well smaller-engined Class II models 9 x 75 9 x 7 also popular Thats month As read hope well along building models next season snow will melting month two Im looking forward using vast expanse parking ramp Griffiss Air Force Base practice Argosy 1/Haught Continued page 70 paint Repeat procedures three dummy engines Too much work pro test results terrific looking Check out photos again see dont agree Fuselage Cut fuselage sides stiff sheets %-in balsa Glue plywood doublers corner blocks Cut out formers tAin plywood firewall formers C identical Wingspan 50 Area 562 sq in. Engine 40-502 cy 45-604 cy Length 45 Weight 4-4A lbs Symetrical Airfoil 4 Channel Kite Feature Machine cut B eanded parts rolled plane hardware pm-bent landing gear Check Money Order US FundsSASE InformatIon CRENSHAW AERO 423W Washington Shelbyville IN 46176 317-398-6528 M ll 400 pm ICST 176 Model Aviation PRE-FAB AIRCRAFT 4Oj65 SIZE p C Sedan Wingspan 70 Area 910 sq in. Engine 60604 cy 45-60 2 cy Length 54 Weight 6-6Y lbs Flat Bottom Wing 4 Channel SHARK 55 AN STRAIGHT SHOULDER WING SHARK ST 60SPAN TAPERED SHOULDER WING IDIWING CORD S7OSRiN 4 TOS5L5FISERGLASS COWL ALUMiNUM MAIN GEAR FLY AS TRIGEAR OR TAILDRAGGEF SALSA PRE-BUILT FUSALAGEBALSA SHEATEDILs FOAM CORE WING MACHINE CUT HAND SANDED STABLLiZER INTRODUCTORY PRICE EU 56993 5400 HANDLING MC VISA MO UPS CODA $275AMEIP b U ADDS I/% TAD IN TEXAS KINGSWAV ENTERPRISES *MPlO45O6wILDACREs SASEHOUSTON TEXAS 77072 FOR CATALOGCALLS-753-621 7782 shape differ material Select engine mount drill necessary holes firewall Add blind nuts back side engine mount drill holes fuel tank tubes used RC clunk tank fit nicely nose right up against fire wall Set up fuselage sides align formers through C over top view glue gether Check everything square dry fit fuel tank add some sheet balsa its floor ceiling block tank place wont move Cut out plywood bellcrank mount bolt three-line bellcrank onto Mount main engine temporarily route throffle pushrod between en gine bellcrank Pull tail together Make rear open formers glue place After retrieving tail assembly un der weeks accumulation dust install elevator horn make elevator link parts Make sure elevators remain paral lel other moved Care fully align tail assembly onto fuse lage glue securely Bend main pushrod fit between bellcrank elevator Before making final connections drill two strips 1/16 plywood clearance holes pushrod wire Slide onto pushrod install pushrod fuselage tabs will cemented place later act pushrod bushings prevent rather long pushrod bowing under compression linkages fitted correctly locate drill necessary holes fu selage side lead-outs After install ing lead-outs replace belicrank glue ply bellcrank mount place Trim bottom fuselage fit lower wing add tail skid assembly Sheet fuselage bottom balsa Bend two cabane strut wires solder top Cut length %-in hard balsa width fuselage interior wrap strut wires cabane wires Fit wires fuselage Before glu ing pin lower ring fuse lage insert key struts position top wing Clamp assembly together clothespins check angle loca tion cabanes should fit nicely holes drilled top center upper wing Once youre satisfied fit glue cabanes Give control sys tem final check plank top fuselage Cut carve nose blocks Make sure clearance around engine throttle linkage can travel freely Carve headrest glue position Covering final assembly finishing Seal exposed wood few coats thin dope Cover wings heavy weight silkspan using light silkspan sheet wood Brush surfaces six coats clear dope Lets assemble beast Using epoxy ID. -a asfl production p arts new American designed 060 powered helicop ter mostl ma e US house now LEGEND kits shipped worldwide daily Reception worlds top fliers has far exceeded ex pectations LEGEND revolutionary its simplistic design engineer though LEGEND mostly made steel aluminum lgtest weight helicopter its size Eight different helicopters can created LEGEND system choosing what best suits just few LEGENDS features new industry EASY TO FLY FLYBARLESS HEAD PREASSEMBLED SERVO TRAY CHOICE OF ROTOR HEADS SIMPLE TAIL BELT DRIVE PREASSEMBLED ROTOR HEAD GEARBOX OR BELTDRIVE TAIL TRIPLE BEARINGS IN EACH TAIL BLADE HOLDER AND MAIN SHAFT jor informationwrite call today 818-992-0195 FAX#81 87020117 r mmmmm mmmmmmm Mail Gorham Model Products INC 23961 Craftsman Road Calabasas CA 91302 [IYES Rush GMP flight demo video tape & catalog $2995 Add $3 postage handling/ $7 Federal Express Standard Air shipment Please indicate format[ IVHS [ IBETA ]YES Rush me.nlyGMPs illustrated color catalog $200 postpaid [IVISA lMasterCard#exp date________ enclose check/money order amount of______________________________ Name Ae1rIrp Ctv Zin super-strong joint begin fuselage lower wing Continue key struts finally upper wing Check angles check wing alignment Examine everything squareness par allelism Measure gap between trail ing edges leading edges wing should get identical figures Fi nally add interplane struts assembly setting up bend main landing gear axle overbending center bend landing gear will pre stressed soldered place giving shock-absorbing effect Slip slots bottom key struts bind cen ter lower pylon solder well Add washers vintage wheels leave adequate space axle wire travel slot Glue dummy fuel tanks upper wing chose color scheme Munsons book vivid effect Its bit under talting especially lettering volved again effort pays off purchased set dry transfer letters Placing sheet white paper used enlarging copier blow letters up sizes needed wings rud der fuselage sides bottom Once sizes wanted cut out MonoKote trim sheets appropriate col ors wire rigging can eliminated wish used some Speed wire lying about Monofilament would also work Continued page 180 March 1989 177 MK 231 OR PFM 3200 Mooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA NATS 1st PLACE WINNER 1988 NATS EXPERT PORSCHE FI7TED MOONEY Instructions Scale Spinner WAYNE SIEWERT 2837 18th Ave So MPLS MN 55407 USA 612-722-7564 RADIO 4-6 CHANNEL ENGINE 90-1082 CYCLE 120-4 CYCLE SPAN 88 AREA 9SOSQIN WEIGHT 12-15# Argosy 1/Haught Continued page 177 well basic rigging pattern shown plan final challenge run lead-outs through maze Use sharpened piece music wire hand drill necessary holes lead-outs through nacelle lead-outs prototype extend few inches beyond nacelles makes less cluttered looking model lead-out guide clamps onto last set interplane struts added flying parts making guide shown plans two long plywood strips glued together space tween Notice line hole identical both strips slots leading holes different front strip slot exits bottom back strip exits top Clamp lead-out guide wing strut line hole about 1 above lower wing flying lines individ ually slipped between strips gap spacer provides bottom side Lead wire through slots hole front back Repeat steps three lines lot easier to explain works well Still happen less vain about biplanes might elect simply glue guide place have done Add engines check thrust gles like super-reliable Cox 049s outer engines because theyre easy start manage main en gine used K&B 40 RC has enough reserve fly Argosy its own Test run engines balance model youre set flying field Twin engines lot fun Triples better Care must taken during starting procedure recommend remove dummy engines before fueling three engines giving warm up run After topping off tanks start engines sequence outboard en gine inboard very care fully main engine Before takeoff re fill running 049s using long exten sion filler plastic tubing Argosy will take off three engines set low throttle main throttle increased touch-and-goes windy conditions things certain Flying piece avi ation history lot easier trying re construct imagination Having ap proached Argosy both angles can vouch Enjoy piece 1926 surely have responding advertisers mention read about ModelAviation FF Duration/Kruse Continued page 73 rewarded return Rocket power its new form Jet-X 50-Z motor new motor seems identical old Jetex 50 Hell-Cat except its nozzle orifice has enlarged ash screen inside has omitted So too has old asbestos/paper gasket ex changed appears rubber composite well new motor performs still mat ter conjecture circles Some modelers report difficulty ignition sequence de scribed product literature others re port no problems seem very pleased motors Available thrust has also largely matter conjecture point advertising litera ture claims powerful longer running Thanks again Fritz Mueller able chart average thrust duration new motor What being shown dot ted line Figure thrust characteristic 12-in loop i/o-in rubber wound 250 turns turning 6-in plastic prop solid line average thrust new Jet-X pellet burned new motor instructions supplied Jet-X warn new fuel pellets NOT used old Jetex motors RMcM Note unlike rubber thrust curve tends decrease almost straight linear fashion Jet-X thrust curve tends increase throughout flight maximum 10 grams thrust ap proximately 12 seconds flight before dropping off burnout own experience bears Out Fritzs analysis watched sheet balsa Jet-X design start High Performance Models presants ECL IPSE Designed Henry Piorun Former Canadian National Champion Canadian Team Member Designed Specifically FAI Pattern Flying Perform Equally Well Other AMA Classes Plug WIngs rglass Belly Pan Pro-Cut Moles WIng Joiner Tubes UltraDght Honeycomb Wlngoores fort 940460 OptIonal PlastIc Fiberglass Canopy Fiberglass Fuselage molded wing Joiner tube HIGH PERFORMANCE MODELS 9556 116 North Daita British Columbia 6Z4 Canada 604-588-0605 old timer perfectly proportioned modeung Curtlss Robin 049 Engines -Channei RIC 41 Wingspan Eiectrlc Power Optiansi Oh arOt Very few full scale sicrah aa ideally suited modal flight appealing old cuntiss Robin wan born spruce linen age beausfully proportroned rubber alactric glow engines Easy fun build tralnerllke performance Flyilne Models catalog SOS Pfrunn 7031 2730503 INE MODELS INC PO Box 2136 Fairfax Virginia 22031 usA 180 Model Aviation Fiberglass Cowlings Windshield Tip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full MORE iNFO BEND SABEJ Basic Kit $15000 Pra-Built Kit $35000 ladd $1500 Sil Send Check Money Order to
Edition: Model Aviation - 1989/03
Page Numbers: 66, 67, 68, 69, 70, 71, 176, 177, 180
STANDING ON THE RAMP Chicagos OHare Airport deafened roar big jets its easy picture must have Turning calendars back 50 years takes real effort imagination suddenly complete sensory de tails scene springs mind cracks paving smell oil abun dance noise blasts wind steel fences blur grassy fields moun tains parked cars become nearby hills covered spring wheat Though im age wavers before eyes threatens fade manage hold onto Wherever wings engines dreams ghosts yesterdays wings cant far away Argosy young enthusiast must have formidable almost 20 ft tall huge white wings immense round throbbing enginesnot just two three Mammoth powerfuleven graceful look beyond uncowled engine mounts external control wires sound youve never heard roar big round engines cant fully conceive Argosy sings song sings like top forty tune evanescent wisp thats today gone tomorrow Its vintage song rich classic sound time few fans will really understand particular Argosy acquainted mainstay fledgling British linperial Airways 1926 Its job pave airways London Paris eventually Africa three 14-cylinder Siddely Jaguar LII engines eas ily carried 20 passengers two pilots journeys top speed 90 miles hour Argosy reliable steed 66 Model Aviation Top The size Argosy just right big enough handle flyable weather small enough slip car knocking out windows Above Some would call ugly crude awkward probably polish shoes day have never seen under hood cars Argosy appeals adventurous nostalgic Though soon outstripped faster denizens skies Argosy lives guise Scale model still puts lot flights its around grass field surrounded head-high corn cheered bunch young en thusiasts wilds Minnesota first flight Argosy thrill Though used main engine excitement same remembered rolled out quickly boldly con cerned family hadnt taken air over 50 years alive Thats great thing about Scale models espe cially Control Line Scale catch feel ship gathers its own speed flies command hand Firing up second third engines effect squaring cubing thethrill sound. youve stayed far itching get balsa might want check pulse Otherwise lets build Argosy own Construction Biplanes tough build bug hits youre thats Argosy tougher still building two wings seems like lot about building two wings two stabilizers three rudders two nacelles on project say foregoing discourage warn Argosy model puts together over three-day weekend Its lot workbut very well worth Study plans until can draw sleep find copy Kenneth Munsons book Airliners 1919 Present Day has good very detailed two-view drawing Argosy will help answer lot questions Tail assembly Beginning tail ideal model builder encour aged seeing some quick success Argosy dont really encounter problem excess tail weight fact March 1989 67 Left This will few Scale models youll ever build does need nose weight Wtth wing Argosy has two stabilizers such long tall moment arm smooth-flying model good solid groove Right Dale Kahier does honors hold ing model its maiden flight dummy engines have removed safety three engines running have very careful Left Dave says hopes like letter Imperial Airlines used airplanes advertising space well bright blue white Argosy eye catching Above Most fuselage formers open-box formers made strip stock plywood strip serves pushrod bushing midway between belicrank elevator Tall skid mount plate fuselage bottom visible right Above three-line belicrank located hooked up glued until fiddling done Once pushrods run throttle elevator throws adjusted lead-out holes lo cated epoxied place Right belicrank mount still loose cabane struts can adjusted right fit Note heavy thread wrapping secure wires wooden strip top struts holds right spacing top wing holes add three ounces tail make balancenot usual problem Scale model Cut out parts sheet medium-weight 3A6-in balsa Youll need two stabilizer elevator parts three rudder fin pieces Sand edges appropriately Equip stabilizers elevators favorite hinges mark fin locations top bottom other Glue rudders fins offset shown Glue fins bottom sta bilizer After checking everything straight parallel add upper stabi lizer Reglue joints admire work Any areas missed first sanding can touched up now Wing Cut out ribs tips dihe dral braces notch trailing edges Pin lower spars workbench along leading trailing edges Position ribs appropriate spacings Notice interplane struts / thick key struts thick wing built three panels shown plans After ribs dry add top spars join tip panels center sections including dihedial angles Youll notice lower wing bit longer upper Dont panic thats way its supposed Drill upper wing center rib R-l indicated angle cabane struts Attach land ing gear plate center section lower wing Reglue main joints wings adding gussets think might nec essary Carve leading edges shape give thorough sanding Add tip weight solder wire landing gear pylon place lower wing Key interplane struts key struts exactly what name implies key components system Lay out carefully accurately saw out A-in plywoodthe good five-ply type Lite Ply key struts will carry full load vibration outboard en gines must very strong Note slot wire axle land ing gear Make sure wire can travel slot easily sloppily Trim wing spars required fit key struts wings should fit just right binding warping wings Make whatever adjustments necessary proper fit youre satisfied give struts sanding smoothing leading trailing edges nice radius Cut eight interplane struts A-in plywood Sand set aside Using key struts basis begin making nacelles Youll need make both rightand left-hand nacelle Cut four sides %2-in sheet glue side side key strut Cut out A-in ply wood engine mounts drill glue front key strut Study top view nacelle cut top bot tom parts match %2-in sheet balsa Sand contour shown add other side sheet Repeat procedure other nacelle 68 Model Aviation key struts make life easy comes lining up everything nacelles built right onto struts Both right- left-hand key strut assembly required Note slot shock absorbing axle pre-assembly check helps make sure everything going work glue outboard key strut being fitted Engine Chances youre tired work ing big assemblies time would enjoy some detail work Order 42 dummy plastic engine cylinders PeckPolymers settle bit engine production work make row cylinders shown accompanying photo stripped length A-in sheet width top plastic cylinders glued cylinders strip A-in intervals cyanoacry late CyA Using razor saw cut ciamp-on iead-out guide gathers three lines last set wing struts Thread lines top through slot between sides clamp individually lead through notch small cuts guide hoislike threading sewing machine madness often method picture shows results sleepless night takes 42 dummy cylinders make three 14-cylinder radial engines translates 84 pushrodsl Its bad sounds though Two evenings brought trio together ready Install crankoases 1/64 plywood tubes glued sheet front piece Peck dummy cylinders CyAd strip balsa forms cylinder heads Y PIEL TANOS 4 BIND SSODER5 OZ r RAOIAL ENEMY \Ih1II 007 WINE RISONIG rOIWONAL TSP LNILW AXLE IVTE 0V10 I/NC PLY MOINI SUIE NEICRAWIC II LL SORAPTANK FLLWIEPLY D*ELERS V4PLY ENE MT SECTION 1 9-7 PR K JS 40 EC &ALM BWOX 4L CCX 0495 F III III rIlII 1111 F Ii ii IIIII IIII 11 N OLUMY ElM O-O 00114 WinS iN PLY CLAW -ON LESO OUT SUDE SlSSItW PUSHNOOSNCPIY H . IIK/ill SHEElNO ONrITID air 0 LW S I/NC LW FOONEM SECTiON 0 SECTION N -S/160FF SET TYP 5A6 STABS ELEVAIOM FOG RWE NOON HORN iS SHY __IIIIIiilELEVASON 1yNOm IIII C iT aioss ORES PIMIKBIN IBSB ARMSINOUO NON 7Th ARGOSY CTZTNOL LIET SCALE BY flEE ONUSIT 0I25 4 567BN10 11IIIII xi 2 5527 OF S main engine looks like its being eaten hungry fish Argosy clearly airplane three control lines exit same hole stretched utilitarian technology open cockpit exposed control wires uncowied lead-out guide youre done flying engines would make modern passenger wilt 50 ft yet known its reliability clamp-on guide can removed stored lines better appearance Lets see two stabilizers two elevators three rudders three fins yap its couid almost build two models parts Argosy Note location pushrod exit cylinder off strip leaving % top cylinder head sure make A-in heads same end of cylinders fingernail file enlisted sand flush end rounding off match plastic cylinder round file used finish off cylinder heads step repeated 42 cylinders dummy crankcases built up us ing rolled tube / plywood 1 /8 in di ameter have %-in sheet balsa end Sand balsa shape drill dum Note notch shock-absorbing axle wire axle over-bent before assembly soldered pylon strut center wires bend will support weight model Any additional pressure will taken up travel allowed slots crankcases adequate clearance model engines crankcases Lay crank case plan transfer cylinder centerlines ply lines marked F seven front-row cylinders marked R seven rear Sand bases cylinders rest neatly crankcase before gluing homemade sanding tool consisted piece sandpaper attached 1 1A-in-dia paint bottle Begin gluing operations back row seven cylinders dry cut rocker arms round toothpicks glue two cylinder point access crankcase painting around cylinders rocker arms easy light gray silver hue perfect Glue front row seven cylinders rocker arms onto crankcase Continued page 176 scale engine aii DUt conceals Ins Lox 049 nacelle plywood core inside na celle serves bushing lead-outs Cox engines give Argosy distinctive sound mostly sound main engine sufficient fly model CRADUCCASE 1/64 PLY TUBE Il/ft DISSI 3/DSHTF/R -7 CE DUMMY /42RE5D F CL DUMMY TANKS BIlE B SOLDER 6 16W HEAVY 13EADS/B SO CABANE STRUT MARE 2 IDRILL FOR CABAllED CYIJIBLER CENTER UNES UII II R-3R-Zft-Sft-Sft-SjR3 ENDUE MYS 1/4 PLY 0 REQS I/S SQ LE\ ft-S ftSftS NAOELL SISES 4 REQS 3/32 SHY .I/B STRUT GAPS ill ft5ftSft-S TOP CENTER RECOlOR ft-S ft-S SIIESRAL BRACES 3/16 SQ TOP SPARS SQ BOTTOM SPAR KEY STRUT -111fl1 S REQ SOP I\/1III MY LD WIRE 1/B PLY STRUTS ft REDS \1/ - DUMMY FUELlARKS S REQS OP BALSA iiIII I OSTIP WI2 TOP WINS PANELSft-Sft Sft-Sft-Sft-Sft-Sft-S 1/5 FORMED B NOTCHES YE ft I REQ 0 S/B SHYftS 55 REQD 3/35 SHY ft-S 4 REQS S/SD SHE ~PLY BOTTOM WINSTOP WINS DIHEDRAL BRACES S DA REQS liii ft-S ft-S ft-S ft-S Ill Ill ft-Sft-S ft-S ft-S -I ft-Hft-SR-4R-4ft-4ft-S _____ ] ft-H ft-4 1SF 3/32 SOP S/ASHT ft-S ST REQO 3/35 SHE LA PLY I7WASHSSISBGOLDER I/lB lAW BOTTOM CENTER RECTION BOTTOM WING PANELS R-6 ft-H CONTROL LINE ARSUSY-SNEET SOPS I/ftSHE TIPS PLATE R-6 4 REQS 3/32 5141 WINS TIP RETAIL S All- Balsa ARFs ZMP IN 4 SIIkHOI Su 26M 1/5th Sea/c span 68 arcaBSOsqins meter 4 stroke 120 equtr Preassustiled fuselage sheeted plug-in wings sheeted stabf & rudder 8 dia epoxy cowl texan canopy & illustrated assaibly manual see hobby dealer order direct IMPALA Masters Pattern span 66 area 800sq ins meter 4 stroke 120 60 rear Preassusisled fuselage veneered plugin wings & staba Epoxy cowl pipe cover rsaovable canopy Illustrated assembly manual MONARCH AMA Sport Pattorn span 66 area 750sqns motor 4 stroke 80 60cuin Preausustiled fuselage veneered wing shaped balsa perte texan canopy epoxy cowl illustratd assembly manual g ZIMPRO MARKETING ' P0505 5676 OAK ReGETN 37635 PHONE BiS4SS4iU about suggest buy control lines bulk somebody like Bear Manufac iuring noticed among new AMA rules proposals theres possibility going 021s Fast Slow along 40-size en gines FAI guys will just love FAI noise rule goes effect 1990 World Champs good part civilized world isnt going put up engines noise might quiet Nine ties Ive always felt use muffler need really puts people disadvan tage local meets using muffler rule have planes set up meet tougher noise limits international scene Steve Sacco sent note concerning safety thong issue point model flies across circle its gonna jerk lot harder just let handle fly loose No argument lets use wide safety thongs get someone design good us buy still think plane flying loose danger potential damage someones wrist arm least flier hurt some innocent bystander did some work Johnsons Not-So Scientific Testing Lab found can break 018 lines time good jerk difficult part trying 10 break both lines same time lines fixed solid object might harder model thered flex control system bellerank full 60 ft lines WAM Western Associated ModelersRMcM has used safety thongs decades problems Ive heard several AMA meets Ive flown required safety thongs because flown airports have pictures latest creation please send immediately can have spring gallery Combat models might also comment what think chances dur ing Combat season Ill follow-up fall dont get too carried away boasting about world-beater CL Navy Carrier/Perry Continued page 65 used OS carburetor K&B exhaust baffle swinging Rev-Up 9 x 7 prop Glenns MO-l span 375 wing area 275 sq weighed 3 lb 3 oz High speed event held Pete Ma zur 1127 mph unable finish low speed Petes 3 lb 12 oz 355 sq MO-l powered Webra Speed 61 using fuel meter carburetor exhaust slide pres sure fuel system Prop fiberglass copy Rev-Up 10 x SW Other models achieved speeds excess 90 mph powered almost mix large 60 65 cu small 41 46 cu engines four large three small equal mix large small engines throughout entries same dis tribution did exist among com pleted high-speed flights large engines successfully completed high speed over 90 mph However small engines greatly Out numbered large engines finishing high speed four large eight small larger engines usually equipped pressure fuel systems some suffered reliability problems smaller engines equipped suction fuel systems stock throttles seemed reliable Reliabilily com plex systems usually directly related amount time practice contestant can de vote event Best low speed day went author 158 sec 113 mph Glenn Simpson close behind 116 mph As Class increasing wing loading correlated very closely increas ing speed during slow flight As past dominant glow plug Fox propeller used contes tants Rev-Up popular size Pro file Class well smaller-engined Class II models 9 x 75 9 x 7 also popular Thats month As read hope well along building models next season snow will melting month two Im looking forward using vast expanse parking ramp Griffiss Air Force Base practice Argosy 1/Haught Continued page 70 paint Repeat procedures three dummy engines Too much work pro test results terrific looking Check out photos again see dont agree Fuselage Cut fuselage sides stiff sheets %-in balsa Glue plywood doublers corner blocks Cut out formers tAin plywood firewall formers C identical Wingspan 50 Area 562 sq in. Engine 40-502 cy 45-604 cy Length 45 Weight 4-4A lbs Symetrical Airfoil 4 Channel Kite Feature Machine cut B eanded parts rolled plane hardware pm-bent landing gear Check Money Order US FundsSASE InformatIon CRENSHAW AERO 423W Washington Shelbyville IN 46176 317-398-6528 M ll 400 pm ICST 176 Model Aviation PRE-FAB AIRCRAFT 4Oj65 SIZE p C Sedan Wingspan 70 Area 910 sq in. Engine 60604 cy 45-60 2 cy Length 54 Weight 6-6Y lbs Flat Bottom Wing 4 Channel SHARK 55 AN STRAIGHT SHOULDER WING SHARK ST 60SPAN TAPERED SHOULDER WING IDIWING CORD S7OSRiN 4 TOS5L5FISERGLASS COWL ALUMiNUM MAIN GEAR FLY AS TRIGEAR OR TAILDRAGGEF SALSA PRE-BUILT FUSALAGEBALSA SHEATEDILs FOAM CORE WING MACHINE CUT HAND SANDED STABLLiZER INTRODUCTORY PRICE EU 56993 5400 HANDLING MC VISA MO UPS CODA $275AMEIP b U ADDS I/% TAD IN TEXAS KINGSWAV ENTERPRISES *MPlO45O6wILDACREs SASEHOUSTON TEXAS 77072 FOR CATALOGCALLS-753-621 7782 shape differ material Select engine mount drill necessary holes firewall Add blind nuts back side engine mount drill holes fuel tank tubes used RC clunk tank fit nicely nose right up against fire wall Set up fuselage sides align formers through C over top view glue gether Check everything square dry fit fuel tank add some sheet balsa its floor ceiling block tank place wont move Cut out plywood bellcrank mount bolt three-line bellcrank onto Mount main engine temporarily route throffle pushrod between en gine bellcrank Pull tail together Make rear open formers glue place After retrieving tail assembly un der weeks accumulation dust install elevator horn make elevator link parts Make sure elevators remain paral lel other moved Care fully align tail assembly onto fuse lage glue securely Bend main pushrod fit between bellcrank elevator Before making final connections drill two strips 1/16 plywood clearance holes pushrod wire Slide onto pushrod install pushrod fuselage tabs will cemented place later act pushrod bushings prevent rather long pushrod bowing under compression linkages fitted correctly locate drill necessary holes fu selage side lead-outs After install ing lead-outs replace belicrank glue ply bellcrank mount place Trim bottom fuselage fit lower wing add tail skid assembly Sheet fuselage bottom balsa Bend two cabane strut wires solder top Cut length %-in hard balsa width fuselage interior wrap strut wires cabane wires Fit wires fuselage Before glu ing pin lower ring fuse lage insert key struts position top wing Clamp assembly together clothespins check angle loca tion cabanes should fit nicely holes drilled top center upper wing Once youre satisfied fit glue cabanes Give control sys tem final check plank top fuselage Cut carve nose blocks Make sure clearance around engine throttle linkage can travel freely Carve headrest glue position Covering final assembly finishing Seal exposed wood few coats thin dope Cover wings heavy weight silkspan using light silkspan sheet wood Brush surfaces six coats clear dope Lets assemble beast Using epoxy ID. -a asfl production p arts new American designed 060 powered helicop ter mostl ma e US house now LEGEND kits shipped worldwide daily Reception worlds top fliers has far exceeded ex pectations LEGEND revolutionary its simplistic design engineer though LEGEND mostly made steel aluminum lgtest weight helicopter its size Eight different helicopters can created LEGEND system choosing what best suits just few LEGENDS features new industry EASY TO FLY FLYBARLESS HEAD PREASSEMBLED SERVO TRAY CHOICE OF ROTOR HEADS SIMPLE TAIL BELT DRIVE PREASSEMBLED ROTOR HEAD GEARBOX OR BELTDRIVE TAIL TRIPLE BEARINGS IN EACH TAIL BLADE HOLDER AND MAIN SHAFT jor informationwrite call today 818-992-0195 FAX#81 87020117 r mmmmm mmmmmmm Mail Gorham Model Products INC 23961 Craftsman Road Calabasas CA 91302 [IYES Rush GMP flight demo video tape & catalog $2995 Add $3 postage handling/ $7 Federal Express Standard Air shipment Please indicate format[ IVHS [ IBETA ]YES Rush me.nlyGMPs illustrated color catalog $200 postpaid [IVISA lMasterCard#exp date________ enclose check/money order amount of______________________________ Name Ae1rIrp Ctv Zin super-strong joint begin fuselage lower wing Continue key struts finally upper wing Check angles check wing alignment Examine everything squareness par allelism Measure gap between trail ing edges leading edges wing should get identical figures Fi nally add interplane struts assembly setting up bend main landing gear axle overbending center bend landing gear will pre stressed soldered place giving shock-absorbing effect Slip slots bottom key struts bind cen ter lower pylon solder well Add washers vintage wheels leave adequate space axle wire travel slot Glue dummy fuel tanks upper wing chose color scheme Munsons book vivid effect Its bit under talting especially lettering volved again effort pays off purchased set dry transfer letters Placing sheet white paper used enlarging copier blow letters up sizes needed wings rud der fuselage sides bottom Once sizes wanted cut out MonoKote trim sheets appropriate col ors wire rigging can eliminated wish used some Speed wire lying about Monofilament would also work Continued page 180 March 1989 177 MK 231 OR PFM 3200 Mooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA NATS 1st PLACE WINNER 1988 NATS EXPERT PORSCHE FI7TED MOONEY Instructions Scale Spinner WAYNE SIEWERT 2837 18th Ave So MPLS MN 55407 USA 612-722-7564 RADIO 4-6 CHANNEL ENGINE 90-1082 CYCLE 120-4 CYCLE SPAN 88 AREA 9SOSQIN WEIGHT 12-15# Argosy 1/Haught Continued page 177 well basic rigging pattern shown plan final challenge run lead-outs through maze Use sharpened piece music wire hand drill necessary holes lead-outs through nacelle lead-outs prototype extend few inches beyond nacelles makes less cluttered looking model lead-out guide clamps onto last set interplane struts added flying parts making guide shown plans two long plywood strips glued together space tween Notice line hole identical both strips slots leading holes different front strip slot exits bottom back strip exits top Clamp lead-out guide wing strut line hole about 1 above lower wing flying lines individ ually slipped between strips gap spacer provides bottom side Lead wire through slots hole front back Repeat steps three lines lot easier to explain works well Still happen less vain about biplanes might elect simply glue guide place have done Add engines check thrust gles like super-reliable Cox 049s outer engines because theyre easy start manage main en gine used K&B 40 RC has enough reserve fly Argosy its own Test run engines balance model youre set flying field Twin engines lot fun Triples better Care must taken during starting procedure recommend remove dummy engines before fueling three engines giving warm up run After topping off tanks start engines sequence outboard en gine inboard very care fully main engine Before takeoff re fill running 049s using long exten sion filler plastic tubing Argosy will take off three engines set low throttle main throttle increased touch-and-goes windy conditions things certain Flying piece avi ation history lot easier trying re construct imagination Having ap proached Argosy both angles can vouch Enjoy piece 1926 surely have responding advertisers mention read about ModelAviation FF Duration/Kruse Continued page 73 rewarded return Rocket power its new form Jet-X 50-Z motor new motor seems identical old Jetex 50 Hell-Cat except its nozzle orifice has enlarged ash screen inside has omitted So too has old asbestos/paper gasket ex changed appears rubber composite well new motor performs still mat ter conjecture circles Some modelers report difficulty ignition sequence de scribed product literature others re port no problems seem very pleased motors Available thrust has also largely matter conjecture point advertising litera ture claims powerful longer running Thanks again Fritz Mueller able chart average thrust duration new motor What being shown dot ted line Figure thrust characteristic 12-in loop i/o-in rubber wound 250 turns turning 6-in plastic prop solid line average thrust new Jet-X pellet burned new motor instructions supplied Jet-X warn new fuel pellets NOT used old Jetex motors RMcM Note unlike rubber thrust curve tends decrease almost straight linear fashion Jet-X thrust curve tends increase throughout flight maximum 10 grams thrust ap proximately 12 seconds flight before dropping off burnout own experience bears Out Fritzs analysis watched sheet balsa Jet-X design start High Performance Models presants ECL IPSE Designed Henry Piorun Former Canadian National Champion Canadian Team Member Designed Specifically FAI Pattern Flying Perform Equally Well Other AMA Classes Plug WIngs rglass Belly Pan Pro-Cut Moles WIng Joiner Tubes UltraDght Honeycomb Wlngoores fort 940460 OptIonal PlastIc Fiberglass Canopy Fiberglass Fuselage molded wing Joiner tube HIGH PERFORMANCE MODELS 9556 116 North Daita British Columbia 6Z4 Canada 604-588-0605 old timer perfectly proportioned modeung Curtlss Robin 049 Engines -Channei RIC 41 Wingspan Eiectrlc Power Optiansi Oh arOt Very few full scale sicrah aa ideally suited modal flight appealing old cuntiss Robin wan born spruce linen age beausfully proportroned rubber alactric glow engines Easy fun build tralnerllke performance Flyilne Models catalog SOS Pfrunn 7031 2730503 INE MODELS INC PO Box 2136 Fairfax Virginia 22031 usA 180 Model Aviation Fiberglass Cowlings Windshield Tip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full MORE iNFO BEND SABEJ Basic Kit $15000 Pra-Built Kit $35000 ladd $1500 Sil Send Check Money Order to
Edition: Model Aviation - 1989/03
Page Numbers: 66, 67, 68, 69, 70, 71, 176, 177, 180
STANDING ON THE RAMP Chicagos OHare Airport deafened roar big jets its easy picture must have Turning calendars back 50 years takes real effort imagination suddenly complete sensory de tails scene springs mind cracks paving smell oil abun dance noise blasts wind steel fences blur grassy fields moun tains parked cars become nearby hills covered spring wheat Though im age wavers before eyes threatens fade manage hold onto Wherever wings engines dreams ghosts yesterdays wings cant far away Argosy young enthusiast must have formidable almost 20 ft tall huge white wings immense round throbbing enginesnot just two three Mammoth powerfuleven graceful look beyond uncowled engine mounts external control wires sound youve never heard roar big round engines cant fully conceive Argosy sings song sings like top forty tune evanescent wisp thats today gone tomorrow Its vintage song rich classic sound time few fans will really understand particular Argosy acquainted mainstay fledgling British linperial Airways 1926 Its job pave airways London Paris eventually Africa three 14-cylinder Siddely Jaguar LII engines eas ily carried 20 passengers two pilots journeys top speed 90 miles hour Argosy reliable steed 66 Model Aviation Top The size Argosy just right big enough handle flyable weather small enough slip car knocking out windows Above Some would call ugly crude awkward probably polish shoes day have never seen under hood cars Argosy appeals adventurous nostalgic Though soon outstripped faster denizens skies Argosy lives guise Scale model still puts lot flights its around grass field surrounded head-high corn cheered bunch young en thusiasts wilds Minnesota first flight Argosy thrill Though used main engine excitement same remembered rolled out quickly boldly con cerned family hadnt taken air over 50 years alive Thats great thing about Scale models espe cially Control Line Scale catch feel ship gathers its own speed flies command hand Firing up second third engines effect squaring cubing thethrill sound. youve stayed far itching get balsa might want check pulse Otherwise lets build Argosy own Construction Biplanes tough build bug hits youre thats Argosy tougher still building two wings seems like lot about building two wings two stabilizers three rudders two nacelles on project say foregoing discourage warn Argosy model puts together over three-day weekend Its lot workbut very well worth Study plans until can draw sleep find copy Kenneth Munsons book Airliners 1919 Present Day has good very detailed two-view drawing Argosy will help answer lot questions Tail assembly Beginning tail ideal model builder encour aged seeing some quick success Argosy dont really encounter problem excess tail weight fact March 1989 67 Left This will few Scale models youll ever build does need nose weight Wtth wing Argosy has two stabilizers such long tall moment arm smooth-flying model good solid groove Right Dale Kahier does honors hold ing model its maiden flight dummy engines have removed safety three engines running have very careful Left Dave says hopes like letter Imperial Airlines used airplanes advertising space well bright blue white Argosy eye catching Above Most fuselage formers open-box formers made strip stock plywood strip serves pushrod bushing midway between belicrank elevator Tall skid mount plate fuselage bottom visible right Above three-line belicrank located hooked up glued until fiddling done Once pushrods run throttle elevator throws adjusted lead-out holes lo cated epoxied place Right belicrank mount still loose cabane struts can adjusted right fit Note heavy thread wrapping secure wires wooden strip top struts holds right spacing top wing holes add three ounces tail make balancenot usual problem Scale model Cut out parts sheet medium-weight 3A6-in balsa Youll need two stabilizer elevator parts three rudder fin pieces Sand edges appropriately Equip stabilizers elevators favorite hinges mark fin locations top bottom other Glue rudders fins offset shown Glue fins bottom sta bilizer After checking everything straight parallel add upper stabi lizer Reglue joints admire work Any areas missed first sanding can touched up now Wing Cut out ribs tips dihe dral braces notch trailing edges Pin lower spars workbench along leading trailing edges Position ribs appropriate spacings Notice interplane struts / thick key struts thick wing built three panels shown plans After ribs dry add top spars join tip panels center sections including dihedial angles Youll notice lower wing bit longer upper Dont panic thats way its supposed Drill upper wing center rib R-l indicated angle cabane struts Attach land ing gear plate center section lower wing Reglue main joints wings adding gussets think might nec essary Carve leading edges shape give thorough sanding Add tip weight solder wire landing gear pylon place lower wing Key interplane struts key struts exactly what name implies key components system Lay out carefully accurately saw out A-in plywoodthe good five-ply type Lite Ply key struts will carry full load vibration outboard en gines must very strong Note slot wire axle land ing gear Make sure wire can travel slot easily sloppily Trim wing spars required fit key struts wings should fit just right binding warping wings Make whatever adjustments necessary proper fit youre satisfied give struts sanding smoothing leading trailing edges nice radius Cut eight interplane struts A-in plywood Sand set aside Using key struts basis begin making nacelles Youll need make both rightand left-hand nacelle Cut four sides %2-in sheet glue side side key strut Cut out A-in ply wood engine mounts drill glue front key strut Study top view nacelle cut top bot tom parts match %2-in sheet balsa Sand contour shown add other side sheet Repeat procedure other nacelle 68 Model Aviation key struts make life easy comes lining up everything nacelles built right onto struts Both right- left-hand key strut assembly required Note slot shock absorbing axle pre-assembly check helps make sure everything going work glue outboard key strut being fitted Engine Chances youre tired work ing big assemblies time would enjoy some detail work Order 42 dummy plastic engine cylinders PeckPolymers settle bit engine production work make row cylinders shown accompanying photo stripped length A-in sheet width top plastic cylinders glued cylinders strip A-in intervals cyanoacry late CyA Using razor saw cut ciamp-on iead-out guide gathers three lines last set wing struts Thread lines top through slot between sides clamp individually lead through notch small cuts guide hoislike threading sewing machine madness often method picture shows results sleepless night takes 42 dummy cylinders make three 14-cylinder radial engines translates 84 pushrodsl Its bad sounds though Two evenings brought trio together ready Install crankoases 1/64 plywood tubes glued sheet front piece Peck dummy cylinders CyAd strip balsa forms cylinder heads Y PIEL TANOS 4 BIND SSODER5 OZ r RAOIAL ENEMY \Ih1II 007 WINE RISONIG rOIWONAL TSP LNILW AXLE IVTE 0V10 I/NC PLY MOINI SUIE NEICRAWIC II LL SORAPTANK FLLWIEPLY D*ELERS V4PLY ENE MT SECTION 1 9-7 PR K JS 40 EC &ALM BWOX 4L CCX 0495 F III III rIlII 1111 F Ii ii IIIII IIII 11 N OLUMY ElM O-O 00114 WinS iN PLY CLAW -ON LESO OUT SUDE SlSSItW PUSHNOOSNCPIY H . IIK/ill SHEElNO ONrITID air 0 LW S I/NC LW FOONEM SECTiON 0 SECTION N -S/160FF SET TYP 5A6 STABS ELEVAIOM FOG RWE NOON HORN iS SHY __IIIIIiilELEVASON 1yNOm IIII C iT aioss ORES PIMIKBIN IBSB ARMSINOUO NON 7Th ARGOSY CTZTNOL LIET SCALE BY flEE ONUSIT 0I25 4 567BN10 11IIIII xi 2 5527 OF S main engine looks like its being eaten hungry fish Argosy clearly airplane three control lines exit same hole stretched utilitarian technology open cockpit exposed control wires uncowied lead-out guide youre done flying engines would make modern passenger wilt 50 ft yet known its reliability clamp-on guide can removed stored lines better appearance Lets see two stabilizers two elevators three rudders three fins yap its couid almost build two models parts Argosy Note location pushrod exit cylinder off strip leaving % top cylinder head sure make A-in heads same end of cylinders fingernail file enlisted sand flush end rounding off match plastic cylinder round file used finish off cylinder heads step repeated 42 cylinders dummy crankcases built up us ing rolled tube / plywood 1 /8 in di ameter have %-in sheet balsa end Sand balsa shape drill dum Note notch shock-absorbing axle wire axle over-bent before assembly soldered pylon strut center wires bend will support weight model Any additional pressure will taken up travel allowed slots crankcases adequate clearance model engines crankcases Lay crank case plan transfer cylinder centerlines ply lines marked F seven front-row cylinders marked R seven rear Sand bases cylinders rest neatly crankcase before gluing homemade sanding tool consisted piece sandpaper attached 1 1A-in-dia paint bottle Begin gluing operations back row seven cylinders dry cut rocker arms round toothpicks glue two cylinder point access crankcase painting around cylinders rocker arms easy light gray silver hue perfect Glue front row seven cylinders rocker arms onto crankcase Continued page 176 scale engine aii DUt conceals Ins Lox 049 nacelle plywood core inside na celle serves bushing lead-outs Cox engines give Argosy distinctive sound mostly sound main engine sufficient fly model CRADUCCASE 1/64 PLY TUBE Il/ft DISSI 3/DSHTF/R -7 CE DUMMY /42RE5D F CL DUMMY TANKS BIlE B SOLDER 6 16W HEAVY 13EADS/B SO CABANE STRUT MARE 2 IDRILL FOR CABAllED CYIJIBLER CENTER UNES UII II R-3R-Zft-Sft-Sft-SjR3 ENDUE MYS 1/4 PLY 0 REQS I/S SQ LE\ ft-S ftSftS NAOELL SISES 4 REQS 3/32 SHY .I/B STRUT GAPS ill ft5ftSft-S TOP CENTER RECOlOR ft-S ft-S SIIESRAL BRACES 3/16 SQ TOP SPARS SQ BOTTOM SPAR KEY STRUT -111fl1 S REQ SOP I\/1III MY LD WIRE 1/B PLY STRUTS ft REDS \1/ - DUMMY FUELlARKS S REQS OP BALSA iiIII I OSTIP WI2 TOP WINS PANELSft-Sft Sft-Sft-Sft-Sft-Sft-S 1/5 FORMED B NOTCHES YE ft I REQ 0 S/B SHYftS 55 REQD 3/35 SHY ft-S 4 REQS S/SD SHE ~PLY BOTTOM WINSTOP WINS DIHEDRAL BRACES S DA REQS liii ft-S ft-S ft-S ft-S Ill Ill ft-Sft-S ft-S ft-S -I ft-Hft-SR-4R-4ft-4ft-S _____ ] ft-H ft-4 1SF 3/32 SOP S/ASHT ft-S ST REQO 3/35 SHE LA PLY I7WASHSSISBGOLDER I/lB lAW BOTTOM CENTER RECTION BOTTOM WING PANELS R-6 ft-H CONTROL LINE ARSUSY-SNEET SOPS I/ftSHE TIPS PLATE R-6 4 REQS 3/32 5141 WINS TIP RETAIL S All- Balsa ARFs ZMP IN 4 SIIkHOI Su 26M 1/5th Sea/c span 68 arcaBSOsqins meter 4 stroke 120 equtr Preassustiled fuselage sheeted plug-in wings sheeted stabf & rudder 8 dia epoxy cowl texan canopy & illustrated assaibly manual see hobby dealer order direct IMPALA Masters Pattern span 66 area 800sq ins meter 4 stroke 120 60 rear Preassusisled fuselage veneered plugin wings & staba Epoxy cowl pipe cover rsaovable canopy Illustrated assembly manual MONARCH AMA Sport Pattorn span 66 area 750sqns motor 4 stroke 80 60cuin Preausustiled fuselage veneered wing shaped balsa perte texan canopy epoxy cowl illustratd assembly manual g ZIMPRO MARKETING ' P0505 5676 OAK ReGETN 37635 PHONE BiS4SS4iU about suggest buy control lines bulk somebody like Bear Manufac iuring noticed among new AMA rules proposals theres possibility going 021s Fast Slow along 40-size en gines FAI guys will just love FAI noise rule goes effect 1990 World Champs good part civilized world isnt going put up engines noise might quiet Nine ties Ive always felt use muffler need really puts people disadvan tage local meets using muffler rule have planes set up meet tougher noise limits international scene Steve Sacco sent note concerning safety thong issue point model flies across circle its gonna jerk lot harder just let handle fly loose No argument lets use wide safety thongs get someone design good us buy still think plane flying loose danger potential damage someones wrist arm least flier hurt some innocent bystander did some work Johnsons Not-So Scientific Testing Lab found can break 018 lines time good jerk difficult part trying 10 break both lines same time lines fixed solid object might harder model thered flex control system bellerank full 60 ft lines WAM Western Associated ModelersRMcM has used safety thongs decades problems Ive heard several AMA meets Ive flown required safety thongs because flown airports have pictures latest creation please send immediately can have spring gallery Combat models might also comment what think chances dur ing Combat season Ill follow-up fall dont get too carried away boasting about world-beater CL Navy Carrier/Perry Continued page 65 used OS carburetor K&B exhaust baffle swinging Rev-Up 9 x 7 prop Glenns MO-l span 375 wing area 275 sq weighed 3 lb 3 oz High speed event held Pete Ma zur 1127 mph unable finish low speed Petes 3 lb 12 oz 355 sq MO-l powered Webra Speed 61 using fuel meter carburetor exhaust slide pres sure fuel system Prop fiberglass copy Rev-Up 10 x SW Other models achieved speeds excess 90 mph powered almost mix large 60 65 cu small 41 46 cu engines four large three small equal mix large small engines throughout entries same dis tribution did exist among com pleted high-speed flights large engines successfully completed high speed over 90 mph However small engines greatly Out numbered large engines finishing high speed four large eight small larger engines usually equipped pressure fuel systems some suffered reliability problems smaller engines equipped suction fuel systems stock throttles seemed reliable Reliabilily com plex systems usually directly related amount time practice contestant can de vote event Best low speed day went author 158 sec 113 mph Glenn Simpson close behind 116 mph As Class increasing wing loading correlated very closely increas ing speed during slow flight As past dominant glow plug Fox propeller used contes tants Rev-Up popular size Pro file Class well smaller-engined Class II models 9 x 75 9 x 7 also popular Thats month As read hope well along building models next season snow will melting month two Im looking forward using vast expanse parking ramp Griffiss Air Force Base practice Argosy 1/Haught Continued page 70 paint Repeat procedures three dummy engines Too much work pro test results terrific looking Check out photos again see dont agree Fuselage Cut fuselage sides stiff sheets %-in balsa Glue plywood doublers corner blocks Cut out formers tAin plywood firewall formers C identical Wingspan 50 Area 562 sq in. Engine 40-502 cy 45-604 cy Length 45 Weight 4-4A lbs Symetrical Airfoil 4 Channel Kite Feature Machine cut B eanded parts rolled plane hardware pm-bent landing gear Check Money Order US FundsSASE InformatIon CRENSHAW AERO 423W Washington Shelbyville IN 46176 317-398-6528 M ll 400 pm ICST 176 Model Aviation PRE-FAB AIRCRAFT 4Oj65 SIZE p C Sedan Wingspan 70 Area 910 sq in. Engine 60604 cy 45-60 2 cy Length 54 Weight 6-6Y lbs Flat Bottom Wing 4 Channel SHARK 55 AN STRAIGHT SHOULDER WING SHARK ST 60SPAN TAPERED SHOULDER WING IDIWING CORD S7OSRiN 4 TOS5L5FISERGLASS COWL ALUMiNUM MAIN GEAR FLY AS TRIGEAR OR TAILDRAGGEF SALSA PRE-BUILT FUSALAGEBALSA SHEATEDILs FOAM CORE WING MACHINE CUT HAND SANDED STABLLiZER INTRODUCTORY PRICE EU 56993 5400 HANDLING MC VISA MO UPS CODA $275AMEIP b U ADDS I/% TAD IN TEXAS KINGSWAV ENTERPRISES *MPlO45O6wILDACREs SASEHOUSTON TEXAS 77072 FOR CATALOGCALLS-753-621 7782 shape differ material Select engine mount drill necessary holes firewall Add blind nuts back side engine mount drill holes fuel tank tubes used RC clunk tank fit nicely nose right up against fire wall Set up fuselage sides align formers through C over top view glue gether Check everything square dry fit fuel tank add some sheet balsa its floor ceiling block tank place wont move Cut out plywood bellcrank mount bolt three-line bellcrank onto Mount main engine temporarily route throffle pushrod between en gine bellcrank Pull tail together Make rear open formers glue place After retrieving tail assembly un der weeks accumulation dust install elevator horn make elevator link parts Make sure elevators remain paral lel other moved Care fully align tail assembly onto fuse lage glue securely Bend main pushrod fit between bellcrank elevator Before making final connections drill two strips 1/16 plywood clearance holes pushrod wire Slide onto pushrod install pushrod fuselage tabs will cemented place later act pushrod bushings prevent rather long pushrod bowing under compression linkages fitted correctly locate drill necessary holes fu selage side lead-outs After install ing lead-outs replace belicrank glue ply bellcrank mount place Trim bottom fuselage fit lower wing add tail skid assembly Sheet fuselage bottom balsa Bend two cabane strut wires solder top Cut length %-in hard balsa width fuselage interior wrap strut wires cabane wires Fit wires fuselage Before glu ing pin lower ring fuse lage insert key struts position top wing Clamp assembly together clothespins check angle loca tion cabanes should fit nicely holes drilled top center upper wing Once youre satisfied fit glue cabanes Give control sys tem final check plank top fuselage Cut carve nose blocks Make sure clearance around engine throttle linkage can travel freely Carve headrest glue position Covering final assembly finishing Seal exposed wood few coats thin dope Cover wings heavy weight silkspan using light silkspan sheet wood Brush surfaces six coats clear dope Lets assemble beast Using epoxy ID. -a asfl production p arts new American designed 060 powered helicop ter mostl ma e US house now LEGEND kits shipped worldwide daily Reception worlds top fliers has far exceeded ex pectations LEGEND revolutionary its simplistic design engineer though LEGEND mostly made steel aluminum lgtest weight helicopter its size Eight different helicopters can created LEGEND system choosing what best suits just few LEGENDS features new industry EASY TO FLY FLYBARLESS HEAD PREASSEMBLED SERVO TRAY CHOICE OF ROTOR HEADS SIMPLE TAIL BELT DRIVE PREASSEMBLED ROTOR HEAD GEARBOX OR BELTDRIVE TAIL TRIPLE BEARINGS IN EACH TAIL BLADE HOLDER AND MAIN SHAFT jor informationwrite call today 818-992-0195 FAX#81 87020117 r mmmmm mmmmmmm Mail Gorham Model Products INC 23961 Craftsman Road Calabasas CA 91302 [IYES Rush GMP flight demo video tape & catalog $2995 Add $3 postage handling/ $7 Federal Express Standard Air shipment Please indicate format[ IVHS [ IBETA ]YES Rush me.nlyGMPs illustrated color catalog $200 postpaid [IVISA lMasterCard#exp date________ enclose check/money order amount of______________________________ Name Ae1rIrp Ctv Zin super-strong joint begin fuselage lower wing Continue key struts finally upper wing Check angles check wing alignment Examine everything squareness par allelism Measure gap between trail ing edges leading edges wing should get identical figures Fi nally add interplane struts assembly setting up bend main landing gear axle overbending center bend landing gear will pre stressed soldered place giving shock-absorbing effect Slip slots bottom key struts bind cen ter lower pylon solder well Add washers vintage wheels leave adequate space axle wire travel slot Glue dummy fuel tanks upper wing chose color scheme Munsons book vivid effect Its bit under talting especially lettering volved again effort pays off purchased set dry transfer letters Placing sheet white paper used enlarging copier blow letters up sizes needed wings rud der fuselage sides bottom Once sizes wanted cut out MonoKote trim sheets appropriate col ors wire rigging can eliminated wish used some Speed wire lying about Monofilament would also work Continued page 180 March 1989 177 MK 231 OR PFM 3200 Mooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA NATS 1st PLACE WINNER 1988 NATS EXPERT PORSCHE FI7TED MOONEY Instructions Scale Spinner WAYNE SIEWERT 2837 18th Ave So MPLS MN 55407 USA 612-722-7564 RADIO 4-6 CHANNEL ENGINE 90-1082 CYCLE 120-4 CYCLE SPAN 88 AREA 9SOSQIN WEIGHT 12-15# Argosy 1/Haught Continued page 177 well basic rigging pattern shown plan final challenge run lead-outs through maze Use sharpened piece music wire hand drill necessary holes lead-outs through nacelle lead-outs prototype extend few inches beyond nacelles makes less cluttered looking model lead-out guide clamps onto last set interplane struts added flying parts making guide shown plans two long plywood strips glued together space tween Notice line hole identical both strips slots leading holes different front strip slot exits bottom back strip exits top Clamp lead-out guide wing strut line hole about 1 above lower wing flying lines individ ually slipped between strips gap spacer provides bottom side Lead wire through slots hole front back Repeat steps three lines lot easier to explain works well Still happen less vain about biplanes might elect simply glue guide place have done Add engines check thrust gles like super-reliable Cox 049s outer engines because theyre easy start manage main en gine used K&B 40 RC has enough reserve fly Argosy its own Test run engines balance model youre set flying field Twin engines lot fun Triples better Care must taken during starting procedure recommend remove dummy engines before fueling three engines giving warm up run After topping off tanks start engines sequence outboard en gine inboard very care fully main engine Before takeoff re fill running 049s using long exten sion filler plastic tubing Argosy will take off three engines set low throttle main throttle increased touch-and-goes windy conditions things certain Flying piece avi ation history lot easier trying re construct imagination Having ap proached Argosy both angles can vouch Enjoy piece 1926 surely have responding advertisers mention read about ModelAviation FF Duration/Kruse Continued page 73 rewarded return Rocket power its new form Jet-X 50-Z motor new motor seems identical old Jetex 50 Hell-Cat except its nozzle orifice has enlarged ash screen inside has omitted So too has old asbestos/paper gasket ex changed appears rubber composite well new motor performs still mat ter conjecture circles Some modelers report difficulty ignition sequence de scribed product literature others re port no problems seem very pleased motors Available thrust has also largely matter conjecture point advertising litera ture claims powerful longer running Thanks again Fritz Mueller able chart average thrust duration new motor What being shown dot ted line Figure thrust characteristic 12-in loop i/o-in rubber wound 250 turns turning 6-in plastic prop solid line average thrust new Jet-X pellet burned new motor instructions supplied Jet-X warn new fuel pellets NOT used old Jetex motors RMcM Note unlike rubber thrust curve tends decrease almost straight linear fashion Jet-X thrust curve tends increase throughout flight maximum 10 grams thrust ap proximately 12 seconds flight before dropping off burnout own experience bears Out Fritzs analysis watched sheet balsa Jet-X design start High Performance Models presants ECL IPSE Designed Henry Piorun Former Canadian National Champion Canadian Team Member Designed Specifically FAI Pattern Flying Perform Equally Well Other AMA Classes Plug WIngs rglass Belly Pan Pro-Cut Moles WIng Joiner Tubes UltraDght Honeycomb Wlngoores fort 940460 OptIonal PlastIc Fiberglass Canopy Fiberglass Fuselage molded wing Joiner tube HIGH PERFORMANCE MODELS 9556 116 North Daita British Columbia 6Z4 Canada 604-588-0605 old timer perfectly proportioned modeung Curtlss Robin 049 Engines -Channei RIC 41 Wingspan Eiectrlc Power Optiansi Oh arOt Very few full scale sicrah aa ideally suited modal flight appealing old cuntiss Robin wan born spruce linen age beausfully proportroned rubber alactric glow engines Easy fun build tralnerllke performance Flyilne Models catalog SOS Pfrunn 7031 2730503 INE MODELS INC PO Box 2136 Fairfax Virginia 22031 usA 180 Model Aviation Fiberglass Cowlings Windshield Tip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full MORE iNFO BEND SABEJ Basic Kit $15000 Pra-Built Kit $35000 ladd $1500 Sil Send Check Money Order to
Edition: Model Aviation - 1989/03
Page Numbers: 66, 67, 68, 69, 70, 71, 176, 177, 180
STANDING ON THE RAMP Chicagos OHare Airport deafened roar big jets its easy picture must have Turning calendars back 50 years takes real effort imagination suddenly complete sensory de tails scene springs mind cracks paving smell oil abun dance noise blasts wind steel fences blur grassy fields moun tains parked cars become nearby hills covered spring wheat Though im age wavers before eyes threatens fade manage hold onto Wherever wings engines dreams ghosts yesterdays wings cant far away Argosy young enthusiast must have formidable almost 20 ft tall huge white wings immense round throbbing enginesnot just two three Mammoth powerfuleven graceful look beyond uncowled engine mounts external control wires sound youve never heard roar big round engines cant fully conceive Argosy sings song sings like top forty tune evanescent wisp thats today gone tomorrow Its vintage song rich classic sound time few fans will really understand particular Argosy acquainted mainstay fledgling British linperial Airways 1926 Its job pave airways London Paris eventually Africa three 14-cylinder Siddely Jaguar LII engines eas ily carried 20 passengers two pilots journeys top speed 90 miles hour Argosy reliable steed 66 Model Aviation Top The size Argosy just right big enough handle flyable weather small enough slip car knocking out windows Above Some would call ugly crude awkward probably polish shoes day have never seen under hood cars Argosy appeals adventurous nostalgic Though soon outstripped faster denizens skies Argosy lives guise Scale model still puts lot flights its around grass field surrounded head-high corn cheered bunch young en thusiasts wilds Minnesota first flight Argosy thrill Though used main engine excitement same remembered rolled out quickly boldly con cerned family hadnt taken air over 50 years alive Thats great thing about Scale models espe cially Control Line Scale catch feel ship gathers its own speed flies command hand Firing up second third engines effect squaring cubing thethrill sound. youve stayed far itching get balsa might want check pulse Otherwise lets build Argosy own Construction Biplanes tough build bug hits youre thats Argosy tougher still building two wings seems like lot about building two wings two stabilizers three rudders two nacelles on project say foregoing discourage warn Argosy model puts together over three-day weekend Its lot workbut very well worth Study plans until can draw sleep find copy Kenneth Munsons book Airliners 1919 Present Day has good very detailed two-view drawing Argosy will help answer lot questions Tail assembly Beginning tail ideal model builder encour aged seeing some quick success Argosy dont really encounter problem excess tail weight fact March 1989 67 Left This will few Scale models youll ever build does need nose weight Wtth wing Argosy has two stabilizers such long tall moment arm smooth-flying model good solid groove Right Dale Kahier does honors hold ing model its maiden flight dummy engines have removed safety three engines running have very careful Left Dave says hopes like letter Imperial Airlines used airplanes advertising space well bright blue white Argosy eye catching Above Most fuselage formers open-box formers made strip stock plywood strip serves pushrod bushing midway between belicrank elevator Tall skid mount plate fuselage bottom visible right Above three-line belicrank located hooked up glued until fiddling done Once pushrods run throttle elevator throws adjusted lead-out holes lo cated epoxied place Right belicrank mount still loose cabane struts can adjusted right fit Note heavy thread wrapping secure wires wooden strip top struts holds right spacing top wing holes add three ounces tail make balancenot usual problem Scale model Cut out parts sheet medium-weight 3A6-in balsa Youll need two stabilizer elevator parts three rudder fin pieces Sand edges appropriately Equip stabilizers elevators favorite hinges mark fin locations top bottom other Glue rudders fins offset shown Glue fins bottom sta bilizer After checking everything straight parallel add upper stabi lizer Reglue joints admire work Any areas missed first sanding can touched up now Wing Cut out ribs tips dihe dral braces notch trailing edges Pin lower spars workbench along leading trailing edges Position ribs appropriate spacings Notice interplane struts / thick key struts thick wing built three panels shown plans After ribs dry add top spars join tip panels center sections including dihedial angles Youll notice lower wing bit longer upper Dont panic thats way its supposed Drill upper wing center rib R-l indicated angle cabane struts Attach land ing gear plate center section lower wing Reglue main joints wings adding gussets think might nec essary Carve leading edges shape give thorough sanding Add tip weight solder wire landing gear pylon place lower wing Key interplane struts key struts exactly what name implies key components system Lay out carefully accurately saw out A-in plywoodthe good five-ply type Lite Ply key struts will carry full load vibration outboard en gines must very strong Note slot wire axle land ing gear Make sure wire can travel slot easily sloppily Trim wing spars required fit key struts wings should fit just right binding warping wings Make whatever adjustments necessary proper fit youre satisfied give struts sanding smoothing leading trailing edges nice radius Cut eight interplane struts A-in plywood Sand set aside Using key struts basis begin making nacelles Youll need make both rightand left-hand nacelle Cut four sides %2-in sheet glue side side key strut Cut out A-in ply wood engine mounts drill glue front key strut Study top view nacelle cut top bot tom parts match %2-in sheet balsa Sand contour shown add other side sheet Repeat procedure other nacelle 68 Model Aviation key struts make life easy comes lining up everything nacelles built right onto struts Both right- left-hand key strut assembly required Note slot shock absorbing axle pre-assembly check helps make sure everything going work glue outboard key strut being fitted Engine Chances youre tired work ing big assemblies time would enjoy some detail work Order 42 dummy plastic engine cylinders PeckPolymers settle bit engine production work make row cylinders shown accompanying photo stripped length A-in sheet width top plastic cylinders glued cylinders strip A-in intervals cyanoacry late CyA Using razor saw cut ciamp-on iead-out guide gathers three lines last set wing struts Thread lines top through slot between sides clamp individually lead through notch small cuts guide hoislike threading sewing machine madness often method picture shows results sleepless night takes 42 dummy cylinders make three 14-cylinder radial engines translates 84 pushrodsl Its bad sounds though Two evenings brought trio together ready Install crankoases 1/64 plywood tubes glued sheet front piece Peck dummy cylinders CyAd strip balsa forms cylinder heads Y PIEL TANOS 4 BIND SSODER5 OZ r RAOIAL ENEMY \Ih1II 007 WINE RISONIG rOIWONAL TSP LNILW AXLE IVTE 0V10 I/NC PLY MOINI SUIE NEICRAWIC II LL SORAPTANK FLLWIEPLY D*ELERS V4PLY ENE MT SECTION 1 9-7 PR K JS 40 EC &ALM BWOX 4L CCX 0495 F III III rIlII 1111 F Ii ii IIIII IIII 11 N OLUMY ElM O-O 00114 WinS iN PLY CLAW -ON LESO OUT SUDE SlSSItW PUSHNOOSNCPIY H . IIK/ill SHEElNO ONrITID air 0 LW S I/NC LW FOONEM SECTiON 0 SECTION N -S/160FF SET TYP 5A6 STABS ELEVAIOM FOG RWE NOON HORN iS SHY __IIIIIiilELEVASON 1yNOm IIII C iT aioss ORES PIMIKBIN IBSB ARMSINOUO NON 7Th ARGOSY CTZTNOL LIET SCALE BY flEE ONUSIT 0I25 4 567BN10 11IIIII xi 2 5527 OF S main engine looks like its being eaten hungry fish Argosy clearly airplane three control lines exit same hole stretched utilitarian technology open cockpit exposed control wires uncowied lead-out guide youre done flying engines would make modern passenger wilt 50 ft yet known its reliability clamp-on guide can removed stored lines better appearance Lets see two stabilizers two elevators three rudders three fins yap its couid almost build two models parts Argosy Note location pushrod exit cylinder off strip leaving % top cylinder head sure make A-in heads same end of cylinders fingernail file enlisted sand flush end rounding off match plastic cylinder round file used finish off cylinder heads step repeated 42 cylinders dummy crankcases built up us ing rolled tube / plywood 1 /8 in di ameter have %-in sheet balsa end Sand balsa shape drill dum Note notch shock-absorbing axle wire axle over-bent before assembly soldered pylon strut center wires bend will support weight model Any additional pressure will taken up travel allowed slots crankcases adequate clearance model engines crankcases Lay crank case plan transfer cylinder centerlines ply lines marked F seven front-row cylinders marked R seven rear Sand bases cylinders rest neatly crankcase before gluing homemade sanding tool consisted piece sandpaper attached 1 1A-in-dia paint bottle Begin gluing operations back row seven cylinders dry cut rocker arms round toothpicks glue two cylinder point access crankcase painting around cylinders rocker arms easy light gray silver hue perfect Glue front row seven cylinders rocker arms onto crankcase Continued page 176 scale engine aii DUt conceals Ins Lox 049 nacelle plywood core inside na celle serves bushing lead-outs Cox engines give Argosy distinctive sound mostly sound main engine sufficient fly model CRADUCCASE 1/64 PLY TUBE Il/ft DISSI 3/DSHTF/R -7 CE DUMMY /42RE5D F CL DUMMY TANKS BIlE B SOLDER 6 16W HEAVY 13EADS/B SO CABANE STRUT MARE 2 IDRILL FOR CABAllED CYIJIBLER CENTER UNES UII II R-3R-Zft-Sft-Sft-SjR3 ENDUE MYS 1/4 PLY 0 REQS I/S SQ LE\ ft-S ftSftS NAOELL SISES 4 REQS 3/32 SHY .I/B STRUT GAPS ill ft5ftSft-S TOP CENTER RECOlOR ft-S ft-S SIIESRAL BRACES 3/16 SQ TOP SPARS SQ BOTTOM SPAR KEY STRUT -111fl1 S REQ SOP I\/1III MY LD WIRE 1/B PLY STRUTS ft REDS \1/ - DUMMY FUELlARKS S REQS OP BALSA iiIII I OSTIP WI2 TOP WINS PANELSft-Sft Sft-Sft-Sft-Sft-Sft-S 1/5 FORMED B NOTCHES YE ft I REQ 0 S/B SHYftS 55 REQD 3/35 SHY ft-S 4 REQS S/SD SHE ~PLY BOTTOM WINSTOP WINS DIHEDRAL BRACES S DA REQS liii ft-S ft-S ft-S ft-S Ill Ill ft-Sft-S ft-S ft-S -I ft-Hft-SR-4R-4ft-4ft-S _____ ] ft-H ft-4 1SF 3/32 SOP S/ASHT ft-S ST REQO 3/35 SHE LA PLY I7WASHSSISBGOLDER I/lB lAW BOTTOM CENTER RECTION BOTTOM WING PANELS R-6 ft-H CONTROL LINE ARSUSY-SNEET SOPS I/ftSHE TIPS PLATE R-6 4 REQS 3/32 5141 WINS TIP RETAIL S All- Balsa ARFs ZMP IN 4 SIIkHOI Su 26M 1/5th Sea/c span 68 arcaBSOsqins meter 4 stroke 120 equtr Preassustiled fuselage sheeted plug-in wings sheeted stabf & rudder 8 dia epoxy cowl texan canopy & illustrated assaibly manual see hobby dealer order direct IMPALA Masters Pattern span 66 area 800sq ins meter 4 stroke 120 60 rear Preassusisled fuselage veneered plugin wings & staba Epoxy cowl pipe cover rsaovable canopy Illustrated assembly manual MONARCH AMA Sport Pattorn span 66 area 750sqns motor 4 stroke 80 60cuin Preausustiled fuselage veneered wing shaped balsa perte texan canopy epoxy cowl illustratd assembly manual g ZIMPRO MARKETING ' P0505 5676 OAK ReGETN 37635 PHONE BiS4SS4iU about suggest buy control lines bulk somebody like Bear Manufac iuring noticed among new AMA rules proposals theres possibility going 021s Fast Slow along 40-size en gines FAI guys will just love FAI noise rule goes effect 1990 World Champs good part civilized world isnt going put up engines noise might quiet Nine ties Ive always felt use muffler need really puts people disadvan tage local meets using muffler rule have planes set up meet tougher noise limits international scene Steve Sacco sent note concerning safety thong issue point model flies across circle its gonna jerk lot harder just let handle fly loose No argument lets use wide safety thongs get someone design good us buy still think plane flying loose danger potential damage someones wrist arm least flier hurt some innocent bystander did some work Johnsons Not-So Scientific Testing Lab found can break 018 lines time good jerk difficult part trying 10 break both lines same time lines fixed solid object might harder model thered flex control system bellerank full 60 ft lines WAM Western Associated ModelersRMcM has used safety thongs decades problems Ive heard several AMA meets Ive flown required safety thongs because flown airports have pictures latest creation please send immediately can have spring gallery Combat models might also comment what think chances dur ing Combat season Ill follow-up fall dont get too carried away boasting about world-beater CL Navy Carrier/Perry Continued page 65 used OS carburetor K&B exhaust baffle swinging Rev-Up 9 x 7 prop Glenns MO-l span 375 wing area 275 sq weighed 3 lb 3 oz High speed event held Pete Ma zur 1127 mph unable finish low speed Petes 3 lb 12 oz 355 sq MO-l powered Webra Speed 61 using fuel meter carburetor exhaust slide pres sure fuel system Prop fiberglass copy Rev-Up 10 x SW Other models achieved speeds excess 90 mph powered almost mix large 60 65 cu small 41 46 cu engines four large three small equal mix large small engines throughout entries same dis tribution did exist among com pleted high-speed flights large engines successfully completed high speed over 90 mph However small engines greatly Out numbered large engines finishing high speed four large eight small larger engines usually equipped pressure fuel systems some suffered reliability problems smaller engines equipped suction fuel systems stock throttles seemed reliable Reliabilily com plex systems usually directly related amount time practice contestant can de vote event Best low speed day went author 158 sec 113 mph Glenn Simpson close behind 116 mph As Class increasing wing loading correlated very closely increas ing speed during slow flight As past dominant glow plug Fox propeller used contes tants Rev-Up popular size Pro file Class well smaller-engined Class II models 9 x 75 9 x 7 also popular Thats month As read hope well along building models next season snow will melting month two Im looking forward using vast expanse parking ramp Griffiss Air Force Base practice Argosy 1/Haught Continued page 70 paint Repeat procedures three dummy engines Too much work pro test results terrific looking Check out photos again see dont agree Fuselage Cut fuselage sides stiff sheets %-in balsa Glue plywood doublers corner blocks Cut out formers tAin plywood firewall formers C identical Wingspan 50 Area 562 sq in. Engine 40-502 cy 45-604 cy Length 45 Weight 4-4A lbs Symetrical Airfoil 4 Channel Kite Feature Machine cut B eanded parts rolled plane hardware pm-bent landing gear Check Money Order US FundsSASE InformatIon CRENSHAW AERO 423W Washington Shelbyville IN 46176 317-398-6528 M ll 400 pm ICST 176 Model Aviation PRE-FAB AIRCRAFT 4Oj65 SIZE p C Sedan Wingspan 70 Area 910 sq in. Engine 60604 cy 45-60 2 cy Length 54 Weight 6-6Y lbs Flat Bottom Wing 4 Channel SHARK 55 AN STRAIGHT SHOULDER WING SHARK ST 60SPAN TAPERED SHOULDER WING IDIWING CORD S7OSRiN 4 TOS5L5FISERGLASS COWL ALUMiNUM MAIN GEAR FLY AS TRIGEAR OR TAILDRAGGEF SALSA PRE-BUILT FUSALAGEBALSA SHEATEDILs FOAM CORE WING MACHINE CUT HAND SANDED STABLLiZER INTRODUCTORY PRICE EU 56993 5400 HANDLING MC VISA MO UPS CODA $275AMEIP b U ADDS I/% TAD IN TEXAS KINGSWAV ENTERPRISES *MPlO45O6wILDACREs SASEHOUSTON TEXAS 77072 FOR CATALOGCALLS-753-621 7782 shape differ material Select engine mount drill necessary holes firewall Add blind nuts back side engine mount drill holes fuel tank tubes used RC clunk tank fit nicely nose right up against fire wall Set up fuselage sides align formers through C over top view glue gether Check everything square dry fit fuel tank add some sheet balsa its floor ceiling block tank place wont move Cut out plywood bellcrank mount bolt three-line bellcrank onto Mount main engine temporarily route throffle pushrod between en gine bellcrank Pull tail together Make rear open formers glue place After retrieving tail assembly un der weeks accumulation dust install elevator horn make elevator link parts Make sure elevators remain paral lel other moved Care fully align tail assembly onto fuse lage glue securely Bend main pushrod fit between bellcrank elevator Before making final connections drill two strips 1/16 plywood clearance holes pushrod wire Slide onto pushrod install pushrod fuselage tabs will cemented place later act pushrod bushings prevent rather long pushrod bowing under compression linkages fitted correctly locate drill necessary holes fu selage side lead-outs After install ing lead-outs replace belicrank glue ply bellcrank mount place Trim bottom fuselage fit lower wing add tail skid assembly Sheet fuselage bottom balsa Bend two cabane strut wires solder top Cut length %-in hard balsa width fuselage interior wrap strut wires cabane wires Fit wires fuselage Before glu ing pin lower ring fuse lage insert key struts position top wing Clamp assembly together clothespins check angle loca tion cabanes should fit nicely holes drilled top center upper wing Once youre satisfied fit glue cabanes Give control sys tem final check plank top fuselage Cut carve nose blocks Make sure clearance around engine throttle linkage can travel freely Carve headrest glue position Covering final assembly finishing Seal exposed wood few coats thin dope Cover wings heavy weight silkspan using light silkspan sheet wood Brush surfaces six coats clear dope Lets assemble beast Using epoxy ID. -a asfl production p arts new American designed 060 powered helicop ter mostl ma e US house now LEGEND kits shipped worldwide daily Reception worlds top fliers has far exceeded ex pectations LEGEND revolutionary its simplistic design engineer though LEGEND mostly made steel aluminum lgtest weight helicopter its size Eight different helicopters can created LEGEND system choosing what best suits just few LEGENDS features new industry EASY TO FLY FLYBARLESS HEAD PREASSEMBLED SERVO TRAY CHOICE OF ROTOR HEADS SIMPLE TAIL BELT DRIVE PREASSEMBLED ROTOR HEAD GEARBOX OR BELTDRIVE TAIL TRIPLE BEARINGS IN EACH TAIL BLADE HOLDER AND MAIN SHAFT jor informationwrite call today 818-992-0195 FAX#81 87020117 r mmmmm mmmmmmm Mail Gorham Model Products INC 23961 Craftsman Road Calabasas CA 91302 [IYES Rush GMP flight demo video tape & catalog $2995 Add $3 postage handling/ $7 Federal Express Standard Air shipment Please indicate format[ IVHS [ IBETA ]YES Rush me.nlyGMPs illustrated color catalog $200 postpaid [IVISA lMasterCard#exp date________ enclose check/money order amount of______________________________ Name Ae1rIrp Ctv Zin super-strong joint begin fuselage lower wing Continue key struts finally upper wing Check angles check wing alignment Examine everything squareness par allelism Measure gap between trail ing edges leading edges wing should get identical figures Fi nally add interplane struts assembly setting up bend main landing gear axle overbending center bend landing gear will pre stressed soldered place giving shock-absorbing effect Slip slots bottom key struts bind cen ter lower pylon solder well Add washers vintage wheels leave adequate space axle wire travel slot Glue dummy fuel tanks upper wing chose color scheme Munsons book vivid effect Its bit under talting especially lettering volved again effort pays off purchased set dry transfer letters Placing sheet white paper used enlarging copier blow letters up sizes needed wings rud der fuselage sides bottom Once sizes wanted cut out MonoKote trim sheets appropriate col ors wire rigging can eliminated wish used some Speed wire lying about Monofilament would also work Continued page 180 March 1989 177 MK 231 OR PFM 3200 Mooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA NATS 1st PLACE WINNER 1988 NATS EXPERT PORSCHE FI7TED MOONEY Instructions Scale Spinner WAYNE SIEWERT 2837 18th Ave So MPLS MN 55407 USA 612-722-7564 RADIO 4-6 CHANNEL ENGINE 90-1082 CYCLE 120-4 CYCLE SPAN 88 AREA 9SOSQIN WEIGHT 12-15# Argosy 1/Haught Continued page 177 well basic rigging pattern shown plan final challenge run lead-outs through maze Use sharpened piece music wire hand drill necessary holes lead-outs through nacelle lead-outs prototype extend few inches beyond nacelles makes less cluttered looking model lead-out guide clamps onto last set interplane struts added flying parts making guide shown plans two long plywood strips glued together space tween Notice line hole identical both strips slots leading holes different front strip slot exits bottom back strip exits top Clamp lead-out guide wing strut line hole about 1 above lower wing flying lines individ ually slipped between strips gap spacer provides bottom side Lead wire through slots hole front back Repeat steps three lines lot easier to explain works well Still happen less vain about biplanes might elect simply glue guide place have done Add engines check thrust gles like super-reliable Cox 049s outer engines because theyre easy start manage main en gine used K&B 40 RC has enough reserve fly Argosy its own Test run engines balance model youre set flying field Twin engines lot fun Triples better Care must taken during starting procedure recommend remove dummy engines before fueling three engines giving warm up run After topping off tanks start engines sequence outboard en gine inboard very care fully main engine Before takeoff re fill running 049s using long exten sion filler plastic tubing Argosy will take off three engines set low throttle main throttle increased touch-and-goes windy conditions things certain Flying piece avi ation history lot easier trying re construct imagination Having ap proached Argosy both angles can vouch Enjoy piece 1926 surely have responding advertisers mention read about ModelAviation FF Duration/Kruse Continued page 73 rewarded return Rocket power its new form Jet-X 50-Z motor new motor seems identical old Jetex 50 Hell-Cat except its nozzle orifice has enlarged ash screen inside has omitted So too has old asbestos/paper gasket ex changed appears rubber composite well new motor performs still mat ter conjecture circles Some modelers report difficulty ignition sequence de scribed product literature others re port no problems seem very pleased motors Available thrust has also largely matter conjecture point advertising litera ture claims powerful longer running Thanks again Fritz Mueller able chart average thrust duration new motor What being shown dot ted line Figure thrust characteristic 12-in loop i/o-in rubber wound 250 turns turning 6-in plastic prop solid line average thrust new Jet-X pellet burned new motor instructions supplied Jet-X warn new fuel pellets NOT used old Jetex motors RMcM Note unlike rubber thrust curve tends decrease almost straight linear fashion Jet-X thrust curve tends increase throughout flight maximum 10 grams thrust ap proximately 12 seconds flight before dropping off burnout own experience bears Out Fritzs analysis watched sheet balsa Jet-X design start High Performance Models presants ECL IPSE Designed Henry Piorun Former Canadian National Champion Canadian Team Member Designed Specifically FAI Pattern Flying Perform Equally Well Other AMA Classes Plug WIngs rglass Belly Pan Pro-Cut Moles WIng Joiner Tubes UltraDght Honeycomb Wlngoores fort 940460 OptIonal PlastIc Fiberglass Canopy Fiberglass Fuselage molded wing Joiner tube HIGH PERFORMANCE MODELS 9556 116 North Daita British Columbia 6Z4 Canada 604-588-0605 old timer perfectly proportioned modeung Curtlss Robin 049 Engines -Channei RIC 41 Wingspan Eiectrlc Power Optiansi Oh arOt Very few full scale sicrah aa ideally suited modal flight appealing old cuntiss Robin wan born spruce linen age beausfully proportroned rubber alactric glow engines Easy fun build tralnerllke performance Flyilne Models catalog SOS Pfrunn 7031 2730503 INE MODELS INC PO Box 2136 Fairfax Virginia 22031 usA 180 Model Aviation Fiberglass Cowlings Windshield Tip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full MORE iNFO BEND SABEJ Basic Kit $15000 Pra-Built Kit $35000 ladd $1500 Sil Send Check Money Order to
Edition: Model Aviation - 1989/03
Page Numbers: 66, 67, 68, 69, 70, 71, 176, 177, 180
STANDING ON THE RAMP Chicagos OHare Airport deafened roar big jets its easy picture must have Turning calendars back 50 years takes real effort imagination suddenly complete sensory de tails scene springs mind cracks paving smell oil abun dance noise blasts wind steel fences blur grassy fields moun tains parked cars become nearby hills covered spring wheat Though im age wavers before eyes threatens fade manage hold onto Wherever wings engines dreams ghosts yesterdays wings cant far away Argosy young enthusiast must have formidable almost 20 ft tall huge white wings immense round throbbing enginesnot just two three Mammoth powerfuleven graceful look beyond uncowled engine mounts external control wires sound youve never heard roar big round engines cant fully conceive Argosy sings song sings like top forty tune evanescent wisp thats today gone tomorrow Its vintage song rich classic sound time few fans will really understand particular Argosy acquainted mainstay fledgling British linperial Airways 1926 Its job pave airways London Paris eventually Africa three 14-cylinder Siddely Jaguar LII engines eas ily carried 20 passengers two pilots journeys top speed 90 miles hour Argosy reliable steed 66 Model Aviation Top The size Argosy just right big enough handle flyable weather small enough slip car knocking out windows Above Some would call ugly crude awkward probably polish shoes day have never seen under hood cars Argosy appeals adventurous nostalgic Though soon outstripped faster denizens skies Argosy lives guise Scale model still puts lot flights its around grass field surrounded head-high corn cheered bunch young en thusiasts wilds Minnesota first flight Argosy thrill Though used main engine excitement same remembered rolled out quickly boldly con cerned family hadnt taken air over 50 years alive Thats great thing about Scale models espe cially Control Line Scale catch feel ship gathers its own speed flies command hand Firing up second third engines effect squaring cubing thethrill sound. youve stayed far itching get balsa might want check pulse Otherwise lets build Argosy own Construction Biplanes tough build bug hits youre thats Argosy tougher still building two wings seems like lot about building two wings two stabilizers three rudders two nacelles on project say foregoing discourage warn Argosy model puts together over three-day weekend Its lot workbut very well worth Study plans until can draw sleep find copy Kenneth Munsons book Airliners 1919 Present Day has good very detailed two-view drawing Argosy will help answer lot questions Tail assembly Beginning tail ideal model builder encour aged seeing some quick success Argosy dont really encounter problem excess tail weight fact March 1989 67 Left This will few Scale models youll ever build does need nose weight Wtth wing Argosy has two stabilizers such long tall moment arm smooth-flying model good solid groove Right Dale Kahier does honors hold ing model its maiden flight dummy engines have removed safety three engines running have very careful Left Dave says hopes like letter Imperial Airlines used airplanes advertising space well bright blue white Argosy eye catching Above Most fuselage formers open-box formers made strip stock plywood strip serves pushrod bushing midway between belicrank elevator Tall skid mount plate fuselage bottom visible right Above three-line belicrank located hooked up glued until fiddling done Once pushrods run throttle elevator throws adjusted lead-out holes lo cated epoxied place Right belicrank mount still loose cabane struts can adjusted right fit Note heavy thread wrapping secure wires wooden strip top struts holds right spacing top wing holes add three ounces tail make balancenot usual problem Scale model Cut out parts sheet medium-weight 3A6-in balsa Youll need two stabilizer elevator parts three rudder fin pieces Sand edges appropriately Equip stabilizers elevators favorite hinges mark fin locations top bottom other Glue rudders fins offset shown Glue fins bottom sta bilizer After checking everything straight parallel add upper stabi lizer Reglue joints admire work Any areas missed first sanding can touched up now Wing Cut out ribs tips dihe dral braces notch trailing edges Pin lower spars workbench along leading trailing edges Position ribs appropriate spacings Notice interplane struts / thick key struts thick wing built three panels shown plans After ribs dry add top spars join tip panels center sections including dihedial angles Youll notice lower wing bit longer upper Dont panic thats way its supposed Drill upper wing center rib R-l indicated angle cabane struts Attach land ing gear plate center section lower wing Reglue main joints wings adding gussets think might nec essary Carve leading edges shape give thorough sanding Add tip weight solder wire landing gear pylon place lower wing Key interplane struts key struts exactly what name implies key components system Lay out carefully accurately saw out A-in plywoodthe good five-ply type Lite Ply key struts will carry full load vibration outboard en gines must very strong Note slot wire axle land ing gear Make sure wire can travel slot easily sloppily Trim wing spars required fit key struts wings should fit just right binding warping wings Make whatever adjustments necessary proper fit youre satisfied give struts sanding smoothing leading trailing edges nice radius Cut eight interplane struts A-in plywood Sand set aside Using key struts basis begin making nacelles Youll need make both rightand left-hand nacelle Cut four sides %2-in sheet glue side side key strut Cut out A-in ply wood engine mounts drill glue front key strut Study top view nacelle cut top bot tom parts match %2-in sheet balsa Sand contour shown add other side sheet Repeat procedure other nacelle 68 Model Aviation key struts make life easy comes lining up everything nacelles built right onto struts Both right- left-hand key strut assembly required Note slot shock absorbing axle pre-assembly check helps make sure everything going work glue outboard key strut being fitted Engine Chances youre tired work ing big assemblies time would enjoy some detail work Order 42 dummy plastic engine cylinders PeckPolymers settle bit engine production work make row cylinders shown accompanying photo stripped length A-in sheet width top plastic cylinders glued cylinders strip A-in intervals cyanoacry late CyA Using razor saw cut ciamp-on iead-out guide gathers three lines last set wing struts Thread lines top through slot between sides clamp individually lead through notch small cuts guide hoislike threading sewing machine madness often method picture shows results sleepless night takes 42 dummy cylinders make three 14-cylinder radial engines translates 84 pushrodsl Its bad sounds though Two evenings brought trio together ready Install crankoases 1/64 plywood tubes glued sheet front piece Peck dummy cylinders CyAd strip balsa forms cylinder heads Y PIEL TANOS 4 BIND SSODER5 OZ r RAOIAL ENEMY \Ih1II 007 WINE RISONIG rOIWONAL TSP LNILW AXLE IVTE 0V10 I/NC PLY MOINI SUIE NEICRAWIC II LL SORAPTANK FLLWIEPLY D*ELERS V4PLY ENE MT SECTION 1 9-7 PR K JS 40 EC &ALM BWOX 4L CCX 0495 F III III rIlII 1111 F Ii ii IIIII IIII 11 N OLUMY ElM O-O 00114 WinS iN PLY CLAW -ON LESO OUT SUDE SlSSItW PUSHNOOSNCPIY H . IIK/ill SHEElNO ONrITID air 0 LW S I/NC LW FOONEM SECTiON 0 SECTION N -S/160FF SET TYP 5A6 STABS ELEVAIOM FOG RWE NOON HORN iS SHY __IIIIIiilELEVASON 1yNOm IIII C iT aioss ORES PIMIKBIN IBSB ARMSINOUO NON 7Th ARGOSY CTZTNOL LIET SCALE BY flEE ONUSIT 0I25 4 567BN10 11IIIII xi 2 5527 OF S main engine looks like its being eaten hungry fish Argosy clearly airplane three control lines exit same hole stretched utilitarian technology open cockpit exposed control wires uncowied lead-out guide youre done flying engines would make modern passenger wilt 50 ft yet known its reliability clamp-on guide can removed stored lines better appearance Lets see two stabilizers two elevators three rudders three fins yap its couid almost build two models parts Argosy Note location pushrod exit cylinder off strip leaving % top cylinder head sure make A-in heads same end of cylinders fingernail file enlisted sand flush end rounding off match plastic cylinder round file used finish off cylinder heads step repeated 42 cylinders dummy crankcases built up us ing rolled tube / plywood 1 /8 in di ameter have %-in sheet balsa end Sand balsa shape drill dum Note notch shock-absorbing axle wire axle over-bent before assembly soldered pylon strut center wires bend will support weight model Any additional pressure will taken up travel allowed slots crankcases adequate clearance model engines crankcases Lay crank case plan transfer cylinder centerlines ply lines marked F seven front-row cylinders marked R seven rear Sand bases cylinders rest neatly crankcase before gluing homemade sanding tool consisted piece sandpaper attached 1 1A-in-dia paint bottle Begin gluing operations back row seven cylinders dry cut rocker arms round toothpicks glue two cylinder point access crankcase painting around cylinders rocker arms easy light gray silver hue perfect Glue front row seven cylinders rocker arms onto crankcase Continued page 176 scale engine aii DUt conceals Ins Lox 049 nacelle plywood core inside na celle serves bushing lead-outs Cox engines give Argosy distinctive sound mostly sound main engine sufficient fly model CRADUCCASE 1/64 PLY TUBE Il/ft DISSI 3/DSHTF/R -7 CE DUMMY /42RE5D F CL DUMMY TANKS BIlE B SOLDER 6 16W HEAVY 13EADS/B SO CABANE STRUT MARE 2 IDRILL FOR CABAllED CYIJIBLER CENTER UNES UII II R-3R-Zft-Sft-Sft-SjR3 ENDUE MYS 1/4 PLY 0 REQS I/S SQ LE\ ft-S ftSftS NAOELL SISES 4 REQS 3/32 SHY .I/B STRUT GAPS ill ft5ftSft-S TOP CENTER RECOlOR ft-S ft-S SIIESRAL BRACES 3/16 SQ TOP SPARS SQ BOTTOM SPAR KEY STRUT -111fl1 S REQ SOP I\/1III MY LD WIRE 1/B PLY STRUTS ft REDS \1/ - DUMMY FUELlARKS S REQS OP BALSA iiIII I OSTIP WI2 TOP WINS PANELSft-Sft Sft-Sft-Sft-Sft-Sft-S 1/5 FORMED B NOTCHES YE ft I REQ 0 S/B SHYftS 55 REQD 3/35 SHY ft-S 4 REQS S/SD SHE ~PLY BOTTOM WINSTOP WINS DIHEDRAL BRACES S DA REQS liii ft-S ft-S ft-S ft-S Ill Ill ft-Sft-S ft-S ft-S -I ft-Hft-SR-4R-4ft-4ft-S _____ ] ft-H ft-4 1SF 3/32 SOP S/ASHT ft-S ST REQO 3/35 SHE LA PLY I7WASHSSISBGOLDER I/lB lAW BOTTOM CENTER RECTION BOTTOM WING PANELS R-6 ft-H CONTROL LINE ARSUSY-SNEET SOPS I/ftSHE TIPS PLATE R-6 4 REQS 3/32 5141 WINS TIP RETAIL S All- Balsa ARFs ZMP IN 4 SIIkHOI Su 26M 1/5th Sea/c span 68 arcaBSOsqins meter 4 stroke 120 equtr Preassustiled fuselage sheeted plug-in wings sheeted stabf & rudder 8 dia epoxy cowl texan canopy & illustrated assaibly manual see hobby dealer order direct IMPALA Masters Pattern span 66 area 800sq ins meter 4 stroke 120 60 rear Preassusisled fuselage veneered plugin wings & staba Epoxy cowl pipe cover rsaovable canopy Illustrated assembly manual MONARCH AMA Sport Pattorn span 66 area 750sqns motor 4 stroke 80 60cuin Preausustiled fuselage veneered wing shaped balsa perte texan canopy epoxy cowl illustratd assembly manual g ZIMPRO MARKETING ' P0505 5676 OAK ReGETN 37635 PHONE BiS4SS4iU about suggest buy control lines bulk somebody like Bear Manufac iuring noticed among new AMA rules proposals theres possibility going 021s Fast Slow along 40-size en gines FAI guys will just love FAI noise rule goes effect 1990 World Champs good part civilized world isnt going put up engines noise might quiet Nine ties Ive always felt use muffler need really puts people disadvan tage local meets using muffler rule have planes set up meet tougher noise limits international scene Steve Sacco sent note concerning safety thong issue point model flies across circle its gonna jerk lot harder just let handle fly loose No argument lets use wide safety thongs get someone design good us buy still think plane flying loose danger potential damage someones wrist arm least flier hurt some innocent bystander did some work Johnsons Not-So Scientific Testing Lab found can break 018 lines time good jerk difficult part trying 10 break both lines same time lines fixed solid object might harder model thered flex control system bellerank full 60 ft lines WAM Western Associated ModelersRMcM has used safety thongs decades problems Ive heard several AMA meets Ive flown required safety thongs because flown airports have pictures latest creation please send immediately can have spring gallery Combat models might also comment what think chances dur ing Combat season Ill follow-up fall dont get too carried away boasting about world-beater CL Navy Carrier/Perry Continued page 65 used OS carburetor K&B exhaust baffle swinging Rev-Up 9 x 7 prop Glenns MO-l span 375 wing area 275 sq weighed 3 lb 3 oz High speed event held Pete Ma zur 1127 mph unable finish low speed Petes 3 lb 12 oz 355 sq MO-l powered Webra Speed 61 using fuel meter carburetor exhaust slide pres sure fuel system Prop fiberglass copy Rev-Up 10 x SW Other models achieved speeds excess 90 mph powered almost mix large 60 65 cu small 41 46 cu engines four large three small equal mix large small engines throughout entries same dis tribution did exist among com pleted high-speed flights large engines successfully completed high speed over 90 mph However small engines greatly Out numbered large engines finishing high speed four large eight small larger engines usually equipped pressure fuel systems some suffered reliability problems smaller engines equipped suction fuel systems stock throttles seemed reliable Reliabilily com plex systems usually directly related amount time practice contestant can de vote event Best low speed day went author 158 sec 113 mph Glenn Simpson close behind 116 mph As Class increasing wing loading correlated very closely increas ing speed during slow flight As past dominant glow plug Fox propeller used contes tants Rev-Up popular size Pro file Class well smaller-engined Class II models 9 x 75 9 x 7 also popular Thats month As read hope well along building models next season snow will melting month two Im looking forward using vast expanse parking ramp Griffiss Air Force Base practice Argosy 1/Haught Continued page 70 paint Repeat procedures three dummy engines Too much work pro test results terrific looking Check out photos again see dont agree Fuselage Cut fuselage sides stiff sheets %-in balsa Glue plywood doublers corner blocks Cut out formers tAin plywood firewall formers C identical Wingspan 50 Area 562 sq in. Engine 40-502 cy 45-604 cy Length 45 Weight 4-4A lbs Symetrical Airfoil 4 Channel Kite Feature Machine cut B eanded parts rolled plane hardware pm-bent landing gear Check Money Order US FundsSASE InformatIon CRENSHAW AERO 423W Washington Shelbyville IN 46176 317-398-6528 M ll 400 pm ICST 176 Model Aviation PRE-FAB AIRCRAFT 4Oj65 SIZE p C Sedan Wingspan 70 Area 910 sq in. Engine 60604 cy 45-60 2 cy Length 54 Weight 6-6Y lbs Flat Bottom Wing 4 Channel SHARK 55 AN STRAIGHT SHOULDER WING SHARK ST 60SPAN TAPERED SHOULDER WING IDIWING CORD S7OSRiN 4 TOS5L5FISERGLASS COWL ALUMiNUM MAIN GEAR FLY AS TRIGEAR OR TAILDRAGGEF SALSA PRE-BUILT FUSALAGEBALSA SHEATEDILs FOAM CORE WING MACHINE CUT HAND SANDED STABLLiZER INTRODUCTORY PRICE EU 56993 5400 HANDLING MC VISA MO UPS CODA $275AMEIP b U ADDS I/% TAD IN TEXAS KINGSWAV ENTERPRISES *MPlO45O6wILDACREs SASEHOUSTON TEXAS 77072 FOR CATALOGCALLS-753-621 7782 shape differ material Select engine mount drill necessary holes firewall Add blind nuts back side engine mount drill holes fuel tank tubes used RC clunk tank fit nicely nose right up against fire wall Set up fuselage sides align formers through C over top view glue gether Check everything square dry fit fuel tank add some sheet balsa its floor ceiling block tank place wont move Cut out plywood bellcrank mount bolt three-line bellcrank onto Mount main engine temporarily route throffle pushrod between en gine bellcrank Pull tail together Make rear open formers glue place After retrieving tail assembly un der weeks accumulation dust install elevator horn make elevator link parts Make sure elevators remain paral lel other moved Care fully align tail assembly onto fuse lage glue securely Bend main pushrod fit between bellcrank elevator Before making final connections drill two strips 1/16 plywood clearance holes pushrod wire Slide onto pushrod install pushrod fuselage tabs will cemented place later act pushrod bushings prevent rather long pushrod bowing under compression linkages fitted correctly locate drill necessary holes fu selage side lead-outs After install ing lead-outs replace belicrank glue ply bellcrank mount place Trim bottom fuselage fit lower wing add tail skid assembly Sheet fuselage bottom balsa Bend two cabane strut wires solder top Cut length %-in hard balsa width fuselage interior wrap strut wires cabane wires Fit wires fuselage Before glu ing pin lower ring fuse lage insert key struts position top wing Clamp assembly together clothespins check angle loca tion cabanes should fit nicely holes drilled top center upper wing Once youre satisfied fit glue cabanes Give control sys tem final check plank top fuselage Cut carve nose blocks Make sure clearance around engine throttle linkage can travel freely Carve headrest glue position Covering final assembly finishing Seal exposed wood few coats thin dope Cover wings heavy weight silkspan using light silkspan sheet wood Brush surfaces six coats clear dope Lets assemble beast Using epoxy ID. -a asfl production p arts new American designed 060 powered helicop ter mostl ma e US house now LEGEND kits shipped worldwide daily Reception worlds top fliers has far exceeded ex pectations LEGEND revolutionary its simplistic design engineer though LEGEND mostly made steel aluminum lgtest weight helicopter its size Eight different helicopters can created LEGEND system choosing what best suits just few LEGENDS features new industry EASY TO FLY FLYBARLESS HEAD PREASSEMBLED SERVO TRAY CHOICE OF ROTOR HEADS SIMPLE TAIL BELT DRIVE PREASSEMBLED ROTOR HEAD GEARBOX OR BELTDRIVE TAIL TRIPLE BEARINGS IN EACH TAIL BLADE HOLDER AND MAIN SHAFT jor informationwrite call today 818-992-0195 FAX#81 87020117 r mmmmm mmmmmmm Mail Gorham Model Products INC 23961 Craftsman Road Calabasas CA 91302 [IYES Rush GMP flight demo video tape & catalog $2995 Add $3 postage handling/ $7 Federal Express Standard Air shipment Please indicate format[ IVHS [ IBETA ]YES Rush me.nlyGMPs illustrated color catalog $200 postpaid [IVISA lMasterCard#exp date________ enclose check/money order amount of______________________________ Name Ae1rIrp Ctv Zin super-strong joint begin fuselage lower wing Continue key struts finally upper wing Check angles check wing alignment Examine everything squareness par allelism Measure gap between trail ing edges leading edges wing should get identical figures Fi nally add interplane struts assembly setting up bend main landing gear axle overbending center bend landing gear will pre stressed soldered place giving shock-absorbing effect Slip slots bottom key struts bind cen ter lower pylon solder well Add washers vintage wheels leave adequate space axle wire travel slot Glue dummy fuel tanks upper wing chose color scheme Munsons book vivid effect Its bit under talting especially lettering volved again effort pays off purchased set dry transfer letters Placing sheet white paper used enlarging copier blow letters up sizes needed wings rud der fuselage sides bottom Once sizes wanted cut out MonoKote trim sheets appropriate col ors wire rigging can eliminated wish used some Speed wire lying about Monofilament would also work Continued page 180 March 1989 177 MK 231 OR PFM 3200 Mooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA NATS 1st PLACE WINNER 1988 NATS EXPERT PORSCHE FI7TED MOONEY Instructions Scale Spinner WAYNE SIEWERT 2837 18th Ave So MPLS MN 55407 USA 612-722-7564 RADIO 4-6 CHANNEL ENGINE 90-1082 CYCLE 120-4 CYCLE SPAN 88 AREA 9SOSQIN WEIGHT 12-15# Argosy 1/Haught Continued page 177 well basic rigging pattern shown plan final challenge run lead-outs through maze Use sharpened piece music wire hand drill necessary holes lead-outs through nacelle lead-outs prototype extend few inches beyond nacelles makes less cluttered looking model lead-out guide clamps onto last set interplane struts added flying parts making guide shown plans two long plywood strips glued together space tween Notice line hole identical both strips slots leading holes different front strip slot exits bottom back strip exits top Clamp lead-out guide wing strut line hole about 1 above lower wing flying lines individ ually slipped between strips gap spacer provides bottom side Lead wire through slots hole front back Repeat steps three lines lot easier to explain works well Still happen less vain about biplanes might elect simply glue guide place have done Add engines check thrust gles like super-reliable Cox 049s outer engines because theyre easy start manage main en gine used K&B 40 RC has enough reserve fly Argosy its own Test run engines balance model youre set flying field Twin engines lot fun Triples better Care must taken during starting procedure recommend remove dummy engines before fueling three engines giving warm up run After topping off tanks start engines sequence outboard en gine inboard very care fully main engine Before takeoff re fill running 049s using long exten sion filler plastic tubing Argosy will take off three engines set low throttle main throttle increased touch-and-goes windy conditions things certain Flying piece avi ation history lot easier trying re construct imagination Having ap proached Argosy both angles can vouch Enjoy piece 1926 surely have responding advertisers mention read about ModelAviation FF Duration/Kruse Continued page 73 rewarded return Rocket power its new form Jet-X 50-Z motor new motor seems identical old Jetex 50 Hell-Cat except its nozzle orifice has enlarged ash screen inside has omitted So too has old asbestos/paper gasket ex changed appears rubber composite well new motor performs still mat ter conjecture circles Some modelers report difficulty ignition sequence de scribed product literature others re port no problems seem very pleased motors Available thrust has also largely matter conjecture point advertising litera ture claims powerful longer running Thanks again Fritz Mueller able chart average thrust duration new motor What being shown dot ted line Figure thrust characteristic 12-in loop i/o-in rubber wound 250 turns turning 6-in plastic prop solid line average thrust new Jet-X pellet burned new motor instructions supplied Jet-X warn new fuel pellets NOT used old Jetex motors RMcM Note unlike rubber thrust curve tends decrease almost straight linear fashion Jet-X thrust curve tends increase throughout flight maximum 10 grams thrust ap proximately 12 seconds flight before dropping off burnout own experience bears Out Fritzs analysis watched sheet balsa Jet-X design start High Performance Models presants ECL IPSE Designed Henry Piorun Former Canadian National Champion Canadian Team Member Designed Specifically FAI Pattern Flying Perform Equally Well Other AMA Classes Plug WIngs rglass Belly Pan Pro-Cut Moles WIng Joiner Tubes UltraDght Honeycomb Wlngoores fort 940460 OptIonal PlastIc Fiberglass Canopy Fiberglass Fuselage molded wing Joiner tube HIGH PERFORMANCE MODELS 9556 116 North Daita British Columbia 6Z4 Canada 604-588-0605 old timer perfectly proportioned modeung Curtlss Robin 049 Engines -Channei RIC 41 Wingspan Eiectrlc Power Optiansi Oh arOt Very few full scale sicrah aa ideally suited modal flight appealing old cuntiss Robin wan born spruce linen age beausfully proportroned rubber alactric glow engines Easy fun build tralnerllke performance Flyilne Models catalog SOS Pfrunn 7031 2730503 INE MODELS INC PO Box 2136 Fairfax Virginia 22031 usA 180 Model Aviation Fiberglass Cowlings Windshield Tip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full MORE iNFO BEND SABEJ Basic Kit $15000 Pra-Built Kit $35000 ladd $1500 Sil Send Check Money Order to
Edition: Model Aviation - 1989/03
Page Numbers: 66, 67, 68, 69, 70, 71, 176, 177, 180
STANDING ON THE RAMP Chicagos OHare Airport deafened roar big jets its easy picture must have Turning calendars back 50 years takes real effort imagination suddenly complete sensory de tails scene springs mind cracks paving smell oil abun dance noise blasts wind steel fences blur grassy fields moun tains parked cars become nearby hills covered spring wheat Though im age wavers before eyes threatens fade manage hold onto Wherever wings engines dreams ghosts yesterdays wings cant far away Argosy young enthusiast must have formidable almost 20 ft tall huge white wings immense round throbbing enginesnot just two three Mammoth powerfuleven graceful look beyond uncowled engine mounts external control wires sound youve never heard roar big round engines cant fully conceive Argosy sings song sings like top forty tune evanescent wisp thats today gone tomorrow Its vintage song rich classic sound time few fans will really understand particular Argosy acquainted mainstay fledgling British linperial Airways 1926 Its job pave airways London Paris eventually Africa three 14-cylinder Siddely Jaguar LII engines eas ily carried 20 passengers two pilots journeys top speed 90 miles hour Argosy reliable steed 66 Model Aviation Top The size Argosy just right big enough handle flyable weather small enough slip car knocking out windows Above Some would call ugly crude awkward probably polish shoes day have never seen under hood cars Argosy appeals adventurous nostalgic Though soon outstripped faster denizens skies Argosy lives guise Scale model still puts lot flights its around grass field surrounded head-high corn cheered bunch young en thusiasts wilds Minnesota first flight Argosy thrill Though used main engine excitement same remembered rolled out quickly boldly con cerned family hadnt taken air over 50 years alive Thats great thing about Scale models espe cially Control Line Scale catch feel ship gathers its own speed flies command hand Firing up second third engines effect squaring cubing thethrill sound. youve stayed far itching get balsa might want check pulse Otherwise lets build Argosy own Construction Biplanes tough build bug hits youre thats Argosy tougher still building two wings seems like lot about building two wings two stabilizers three rudders two nacelles on project say foregoing discourage warn Argosy model puts together over three-day weekend Its lot workbut very well worth Study plans until can draw sleep find copy Kenneth Munsons book Airliners 1919 Present Day has good very detailed two-view drawing Argosy will help answer lot questions Tail assembly Beginning tail ideal model builder encour aged seeing some quick success Argosy dont really encounter problem excess tail weight fact March 1989 67 Left This will few Scale models youll ever build does need nose weight Wtth wing Argosy has two stabilizers such long tall moment arm smooth-flying model good solid groove Right Dale Kahier does honors hold ing model its maiden flight dummy engines have removed safety three engines running have very careful Left Dave says hopes like letter Imperial Airlines used airplanes advertising space well bright blue white Argosy eye catching Above Most fuselage formers open-box formers made strip stock plywood strip serves pushrod bushing midway between belicrank elevator Tall skid mount plate fuselage bottom visible right Above three-line belicrank located hooked up glued until fiddling done Once pushrods run throttle elevator throws adjusted lead-out holes lo cated epoxied place Right belicrank mount still loose cabane struts can adjusted right fit Note heavy thread wrapping secure wires wooden strip top struts holds right spacing top wing holes add three ounces tail make balancenot usual problem Scale model Cut out parts sheet medium-weight 3A6-in balsa Youll need two stabilizer elevator parts three rudder fin pieces Sand edges appropriately Equip stabilizers elevators favorite hinges mark fin locations top bottom other Glue rudders fins offset shown Glue fins bottom sta bilizer After checking everything straight parallel add upper stabi lizer Reglue joints admire work Any areas missed first sanding can touched up now Wing Cut out ribs tips dihe dral braces notch trailing edges Pin lower spars workbench along leading trailing edges Position ribs appropriate spacings Notice interplane struts / thick key struts thick wing built three panels shown plans After ribs dry add top spars join tip panels center sections including dihedial angles Youll notice lower wing bit longer upper Dont panic thats way its supposed Drill upper wing center rib R-l indicated angle cabane struts Attach land ing gear plate center section lower wing Reglue main joints wings adding gussets think might nec essary Carve leading edges shape give thorough sanding Add tip weight solder wire landing gear pylon place lower wing Key interplane struts key struts exactly what name implies key components system Lay out carefully accurately saw out A-in plywoodthe good five-ply type Lite Ply key struts will carry full load vibration outboard en gines must very strong Note slot wire axle land ing gear Make sure wire can travel slot easily sloppily Trim wing spars required fit key struts wings should fit just right binding warping wings Make whatever adjustments necessary proper fit youre satisfied give struts sanding smoothing leading trailing edges nice radius Cut eight interplane struts A-in plywood Sand set aside Using key struts basis begin making nacelles Youll need make both rightand left-hand nacelle Cut four sides %2-in sheet glue side side key strut Cut out A-in ply wood engine mounts drill glue front key strut Study top view nacelle cut top bot tom parts match %2-in sheet balsa Sand contour shown add other side sheet Repeat procedure other nacelle 68 Model Aviation key struts make life easy comes lining up everything nacelles built right onto struts Both right- left-hand key strut assembly required Note slot shock absorbing axle pre-assembly check helps make sure everything going work glue outboard key strut being fitted Engine Chances youre tired work ing big assemblies time would enjoy some detail work Order 42 dummy plastic engine cylinders PeckPolymers settle bit engine production work make row cylinders shown accompanying photo stripped length A-in sheet width top plastic cylinders glued cylinders strip A-in intervals cyanoacry late CyA Using razor saw cut ciamp-on iead-out guide gathers three lines last set wing struts Thread lines top through slot between sides clamp individually lead through notch small cuts guide hoislike threading sewing machine madness often method picture shows results sleepless night takes 42 dummy cylinders make three 14-cylinder radial engines translates 84 pushrodsl Its bad sounds though Two evenings brought trio together ready Install crankoases 1/64 plywood tubes glued sheet front piece Peck dummy cylinders CyAd strip balsa forms cylinder heads Y PIEL TANOS 4 BIND SSODER5 OZ r RAOIAL ENEMY \Ih1II 007 WINE RISONIG rOIWONAL TSP LNILW AXLE IVTE 0V10 I/NC PLY MOINI SUIE NEICRAWIC II LL SORAPTANK FLLWIEPLY D*ELERS V4PLY ENE MT SECTION 1 9-7 PR K JS 40 EC &ALM BWOX 4L CCX 0495 F III III rIlII 1111 F Ii ii IIIII IIII 11 N OLUMY ElM O-O 00114 WinS iN PLY CLAW -ON LESO OUT SUDE SlSSItW PUSHNOOSNCPIY H . IIK/ill SHEElNO ONrITID air 0 LW S I/NC LW FOONEM SECTiON 0 SECTION N -S/160FF SET TYP 5A6 STABS ELEVAIOM FOG RWE NOON HORN iS SHY __IIIIIiilELEVASON 1yNOm IIII C iT aioss ORES PIMIKBIN IBSB ARMSINOUO NON 7Th ARGOSY CTZTNOL LIET SCALE BY flEE ONUSIT 0I25 4 567BN10 11IIIII xi 2 5527 OF S main engine looks like its being eaten hungry fish Argosy clearly airplane three control lines exit same hole stretched utilitarian technology open cockpit exposed control wires uncowied lead-out guide youre done flying engines would make modern passenger wilt 50 ft yet known its reliability clamp-on guide can removed stored lines better appearance Lets see two stabilizers two elevators three rudders three fins yap its couid almost build two models parts Argosy Note location pushrod exit cylinder off strip leaving % top cylinder head sure make A-in heads same end of cylinders fingernail file enlisted sand flush end rounding off match plastic cylinder round file used finish off cylinder heads step repeated 42 cylinders dummy crankcases built up us ing rolled tube / plywood 1 /8 in di ameter have %-in sheet balsa end Sand balsa shape drill dum Note notch shock-absorbing axle wire axle over-bent before assembly soldered pylon strut center wires bend will support weight model Any additional pressure will taken up travel allowed slots crankcases adequate clearance model engines crankcases Lay crank case plan transfer cylinder centerlines ply lines marked F seven front-row cylinders marked R seven rear Sand bases cylinders rest neatly crankcase before gluing homemade sanding tool consisted piece sandpaper attached 1 1A-in-dia paint bottle Begin gluing operations back row seven cylinders dry cut rocker arms round toothpicks glue two cylinder point access crankcase painting around cylinders rocker arms easy light gray silver hue perfect Glue front row seven cylinders rocker arms onto crankcase Continued page 176 scale engine aii DUt conceals Ins Lox 049 nacelle plywood core inside na celle serves bushing lead-outs Cox engines give Argosy distinctive sound mostly sound main engine sufficient fly model CRADUCCASE 1/64 PLY TUBE Il/ft DISSI 3/DSHTF/R -7 CE DUMMY /42RE5D F CL DUMMY TANKS BIlE B SOLDER 6 16W HEAVY 13EADS/B SO CABANE STRUT MARE 2 IDRILL FOR CABAllED CYIJIBLER CENTER UNES UII II R-3R-Zft-Sft-Sft-SjR3 ENDUE MYS 1/4 PLY 0 REQS I/S SQ LE\ ft-S ftSftS NAOELL SISES 4 REQS 3/32 SHY .I/B STRUT GAPS ill ft5ftSft-S TOP CENTER RECOlOR ft-S ft-S SIIESRAL BRACES 3/16 SQ TOP SPARS SQ BOTTOM SPAR KEY STRUT -111fl1 S REQ SOP I\/1III MY LD WIRE 1/B PLY STRUTS ft REDS \1/ - DUMMY FUELlARKS S REQS OP BALSA iiIII I OSTIP WI2 TOP WINS PANELSft-Sft Sft-Sft-Sft-Sft-Sft-S 1/5 FORMED B NOTCHES YE ft I REQ 0 S/B SHYftS 55 REQD 3/35 SHY ft-S 4 REQS S/SD SHE ~PLY BOTTOM WINSTOP WINS DIHEDRAL BRACES S DA REQS liii ft-S ft-S ft-S ft-S Ill Ill ft-Sft-S ft-S ft-S -I ft-Hft-SR-4R-4ft-4ft-S _____ ] ft-H ft-4 1SF 3/32 SOP S/ASHT ft-S ST REQO 3/35 SHE LA PLY I7WASHSSISBGOLDER I/lB lAW BOTTOM CENTER RECTION BOTTOM WING PANELS R-6 ft-H CONTROL LINE ARSUSY-SNEET SOPS I/ftSHE TIPS PLATE R-6 4 REQS 3/32 5141 WINS TIP RETAIL S All- Balsa ARFs ZMP IN 4 SIIkHOI Su 26M 1/5th Sea/c span 68 arcaBSOsqins meter 4 stroke 120 equtr Preassustiled fuselage sheeted plug-in wings sheeted stabf & rudder 8 dia epoxy cowl texan canopy & illustrated assaibly manual see hobby dealer order direct IMPALA Masters Pattern span 66 area 800sq ins meter 4 stroke 120 60 rear Preassusisled fuselage veneered plugin wings & staba Epoxy cowl pipe cover rsaovable canopy Illustrated assembly manual MONARCH AMA Sport Pattorn span 66 area 750sqns motor 4 stroke 80 60cuin Preausustiled fuselage veneered wing shaped balsa perte texan canopy epoxy cowl illustratd assembly manual g ZIMPRO MARKETING ' P0505 5676 OAK ReGETN 37635 PHONE BiS4SS4iU about suggest buy control lines bulk somebody like Bear Manufac iuring noticed among new AMA rules proposals theres possibility going 021s Fast Slow along 40-size en gines FAI guys will just love FAI noise rule goes effect 1990 World Champs good part civilized world isnt going put up engines noise might quiet Nine ties Ive always felt use muffler need really puts people disadvan tage local meets using muffler rule have planes set up meet tougher noise limits international scene Steve Sacco sent note concerning safety thong issue point model flies across circle its gonna jerk lot harder just let handle fly loose No argument lets use wide safety thongs get someone design good us buy still think plane flying loose danger potential damage someones wrist arm least flier hurt some innocent bystander did some work Johnsons Not-So Scientific Testing Lab found can break 018 lines time good jerk difficult part trying 10 break both lines same time lines fixed solid object might harder model thered flex control system bellerank full 60 ft lines WAM Western Associated ModelersRMcM has used safety thongs decades problems Ive heard several AMA meets Ive flown required safety thongs because flown airports have pictures latest creation please send immediately can have spring gallery Combat models might also comment what think chances dur ing Combat season Ill follow-up fall dont get too carried away boasting about world-beater CL Navy Carrier/Perry Continued page 65 used OS carburetor K&B exhaust baffle swinging Rev-Up 9 x 7 prop Glenns MO-l span 375 wing area 275 sq weighed 3 lb 3 oz High speed event held Pete Ma zur 1127 mph unable finish low speed Petes 3 lb 12 oz 355 sq MO-l powered Webra Speed 61 using fuel meter carburetor exhaust slide pres sure fuel system Prop fiberglass copy Rev-Up 10 x SW Other models achieved speeds excess 90 mph powered almost mix large 60 65 cu small 41 46 cu engines four large three small equal mix large small engines throughout entries same dis tribution did exist among com pleted high-speed flights large engines successfully completed high speed over 90 mph However small engines greatly Out numbered large engines finishing high speed four large eight small larger engines usually equipped pressure fuel systems some suffered reliability problems smaller engines equipped suction fuel systems stock throttles seemed reliable Reliabilily com plex systems usually directly related amount time practice contestant can de vote event Best low speed day went author 158 sec 113 mph Glenn Simpson close behind 116 mph As Class increasing wing loading correlated very closely increas ing speed during slow flight As past dominant glow plug Fox propeller used contes tants Rev-Up popular size Pro file Class well smaller-engined Class II models 9 x 75 9 x 7 also popular Thats month As read hope well along building models next season snow will melting month two Im looking forward using vast expanse parking ramp Griffiss Air Force Base practice Argosy 1/Haught Continued page 70 paint Repeat procedures three dummy engines Too much work pro test results terrific looking Check out photos again see dont agree Fuselage Cut fuselage sides stiff sheets %-in balsa Glue plywood doublers corner blocks Cut out formers tAin plywood firewall formers C identical Wingspan 50 Area 562 sq in. Engine 40-502 cy 45-604 cy Length 45 Weight 4-4A lbs Symetrical Airfoil 4 Channel Kite Feature Machine cut B eanded parts rolled plane hardware pm-bent landing gear Check Money Order US FundsSASE InformatIon CRENSHAW AERO 423W Washington Shelbyville IN 46176 317-398-6528 M ll 400 pm ICST 176 Model Aviation PRE-FAB AIRCRAFT 4Oj65 SIZE p C Sedan Wingspan 70 Area 910 sq in. Engine 60604 cy 45-60 2 cy Length 54 Weight 6-6Y lbs Flat Bottom Wing 4 Channel SHARK 55 AN STRAIGHT SHOULDER WING SHARK ST 60SPAN TAPERED SHOULDER WING IDIWING CORD S7OSRiN 4 TOS5L5FISERGLASS COWL ALUMiNUM MAIN GEAR FLY AS TRIGEAR OR TAILDRAGGEF SALSA PRE-BUILT FUSALAGEBALSA SHEATEDILs FOAM CORE WING MACHINE CUT HAND SANDED STABLLiZER INTRODUCTORY PRICE EU 56993 5400 HANDLING MC VISA MO UPS CODA $275AMEIP b U ADDS I/% TAD IN TEXAS KINGSWAV ENTERPRISES *MPlO45O6wILDACREs SASEHOUSTON TEXAS 77072 FOR CATALOGCALLS-753-621 7782 shape differ material Select engine mount drill necessary holes firewall Add blind nuts back side engine mount drill holes fuel tank tubes used RC clunk tank fit nicely nose right up against fire wall Set up fuselage sides align formers through C over top view glue gether Check everything square dry fit fuel tank add some sheet balsa its floor ceiling block tank place wont move Cut out plywood bellcrank mount bolt three-line bellcrank onto Mount main engine temporarily route throffle pushrod between en gine bellcrank Pull tail together Make rear open formers glue place After retrieving tail assembly un der weeks accumulation dust install elevator horn make elevator link parts Make sure elevators remain paral lel other moved Care fully align tail assembly onto fuse lage glue securely Bend main pushrod fit between bellcrank elevator Before making final connections drill two strips 1/16 plywood clearance holes pushrod wire Slide onto pushrod install pushrod fuselage tabs will cemented place later act pushrod bushings prevent rather long pushrod bowing under compression linkages fitted correctly locate drill necessary holes fu selage side lead-outs After install ing lead-outs replace belicrank glue ply bellcrank mount place Trim bottom fuselage fit lower wing add tail skid assembly Sheet fuselage bottom balsa Bend two cabane strut wires solder top Cut length %-in hard balsa width fuselage interior wrap strut wires cabane wires Fit wires fuselage Before glu ing pin lower ring fuse lage insert key struts position top wing Clamp assembly together clothespins check angle loca tion cabanes should fit nicely holes drilled top center upper wing Once youre satisfied fit glue cabanes Give control sys tem final check plank top fuselage Cut carve nose blocks Make sure clearance around engine throttle linkage can travel freely Carve headrest glue position Covering final assembly finishing Seal exposed wood few coats thin dope Cover wings heavy weight silkspan using light silkspan sheet wood Brush surfaces six coats clear dope Lets assemble beast Using epoxy ID. -a asfl production p arts new American designed 060 powered helicop ter mostl ma e US house now LEGEND kits shipped worldwide daily Reception worlds top fliers has far exceeded ex pectations LEGEND revolutionary its simplistic design engineer though LEGEND mostly made steel aluminum lgtest weight helicopter its size Eight different helicopters can created LEGEND system choosing what best suits just few LEGENDS features new industry EASY TO FLY FLYBARLESS HEAD PREASSEMBLED SERVO TRAY CHOICE OF ROTOR HEADS SIMPLE TAIL BELT DRIVE PREASSEMBLED ROTOR HEAD GEARBOX OR BELTDRIVE TAIL TRIPLE BEARINGS IN EACH TAIL BLADE HOLDER AND MAIN SHAFT jor informationwrite call today 818-992-0195 FAX#81 87020117 r mmmmm mmmmmmm Mail Gorham Model Products INC 23961 Craftsman Road Calabasas CA 91302 [IYES Rush GMP flight demo video tape & catalog $2995 Add $3 postage handling/ $7 Federal Express Standard Air shipment Please indicate format[ IVHS [ IBETA ]YES Rush me.nlyGMPs illustrated color catalog $200 postpaid [IVISA lMasterCard#exp date________ enclose check/money order amount of______________________________ Name Ae1rIrp Ctv Zin super-strong joint begin fuselage lower wing Continue key struts finally upper wing Check angles check wing alignment Examine everything squareness par allelism Measure gap between trail ing edges leading edges wing should get identical figures Fi nally add interplane struts assembly setting up bend main landing gear axle overbending center bend landing gear will pre stressed soldered place giving shock-absorbing effect Slip slots bottom key struts bind cen ter lower pylon solder well Add washers vintage wheels leave adequate space axle wire travel slot Glue dummy fuel tanks upper wing chose color scheme Munsons book vivid effect Its bit under talting especially lettering volved again effort pays off purchased set dry transfer letters Placing sheet white paper used enlarging copier blow letters up sizes needed wings rud der fuselage sides bottom Once sizes wanted cut out MonoKote trim sheets appropriate col ors wire rigging can eliminated wish used some Speed wire lying about Monofilament would also work Continued page 180 March 1989 177 MK 231 OR PFM 3200 Mooney 1/5th SCALE SEMI-KIT WAYNE SIEWERT AMA NATS 1st PLACE WINNER 1988 NATS EXPERT PORSCHE FI7TED MOONEY Instructions Scale Spinner WAYNE SIEWERT 2837 18th Ave So MPLS MN 55407 USA 612-722-7564 RADIO 4-6 CHANNEL ENGINE 90-1082 CYCLE 120-4 CYCLE SPAN 88 AREA 9SOSQIN WEIGHT 12-15# Argosy 1/Haught Continued page 177 well basic rigging pattern shown plan final challenge run lead-outs through maze Use sharpened piece music wire hand drill necessary holes lead-outs through nacelle lead-outs prototype extend few inches beyond nacelles makes less cluttered looking model lead-out guide clamps onto last set interplane struts added flying parts making guide shown plans two long plywood strips glued together space tween Notice line hole identical both strips slots leading holes different front strip slot exits bottom back strip exits top Clamp lead-out guide wing strut line hole about 1 above lower wing flying lines individ ually slipped between strips gap spacer provides bottom side Lead wire through slots hole front back Repeat steps three lines lot easier to explain works well Still happen less vain about biplanes might elect simply glue guide place have done Add engines check thrust gles like super-reliable Cox 049s outer engines because theyre easy start manage main en gine used K&B 40 RC has enough reserve fly Argosy its own Test run engines balance model youre set flying field Twin engines lot fun Triples better Care must taken during starting procedure recommend remove dummy engines before fueling three engines giving warm up run After topping off tanks start engines sequence outboard en gine inboard very care fully main engine Before takeoff re fill running 049s using long exten sion filler plastic tubing Argosy will take off three engines set low throttle main throttle increased touch-and-goes windy conditions things certain Flying piece avi ation history lot easier trying re construct imagination Having ap proached Argosy both angles can vouch Enjoy piece 1926 surely have responding advertisers mention read about ModelAviation FF Duration/Kruse Continued page 73 rewarded return Rocket power its new form Jet-X 50-Z motor new motor seems identical old Jetex 50 Hell-Cat except its nozzle orifice has enlarged ash screen inside has omitted So too has old asbestos/paper gasket ex changed appears rubber composite well new motor performs still mat ter conjecture circles Some modelers report difficulty ignition sequence de scribed product literature others re port no problems seem very pleased motors Available thrust has also largely matter conjecture point advertising litera ture claims powerful longer running Thanks again Fritz Mueller able chart average thrust duration new motor What being shown dot ted line Figure thrust characteristic 12-in loop i/o-in rubber wound 250 turns turning 6-in plastic prop solid line average thrust new Jet-X pellet burned new motor instructions supplied Jet-X warn new fuel pellets NOT used old Jetex motors RMcM Note unlike rubber thrust curve tends decrease almost straight linear fashion Jet-X thrust curve tends increase throughout flight maximum 10 grams thrust ap proximately 12 seconds flight before dropping off burnout own experience bears Out Fritzs analysis watched sheet balsa Jet-X design start High Performance Models presants ECL IPSE Designed Henry Piorun Former Canadian National Champion Canadian Team Member Designed Specifically FAI Pattern Flying Perform Equally Well Other AMA Classes Plug WIngs rglass Belly Pan Pro-Cut Moles WIng Joiner Tubes UltraDght Honeycomb Wlngoores fort 940460 OptIonal PlastIc Fiberglass Canopy Fiberglass Fuselage molded wing Joiner tube HIGH PERFORMANCE MODELS 9556 116 North Daita British Columbia 6Z4 Canada 604-588-0605 old timer perfectly proportioned modeung Curtlss Robin 049 Engines -Channei RIC 41 Wingspan Eiectrlc Power Optiansi Oh arOt Very few full scale sicrah aa ideally suited modal flight appealing old cuntiss Robin wan born spruce linen age beausfully proportroned rubber alactric glow engines Easy fun build tralnerllke performance Flyilne Models catalog SOS Pfrunn 7031 2730503 INE MODELS INC PO Box 2136 Fairfax Virginia 22031 usA 180 Model Aviation Fiberglass Cowlings Windshield Tip Lenses Plastic Elevator & Rudder Surfaces Rolled Plans Scale Documentation Full MORE iNFO BEND SABEJ Basic Kit $15000 Pra-Built Kit $35000 ladd $1500 Sil Send Check Money Order to