NO OCR TEXT NO OCR TEXT model also full-size FW-1 90 handles easily ground Takeoffs exhibit no tendency ground loop tad right rudder needed keep rolling straight 190 airplane nicknamed Wurger German Butcher Bird designed around twin-row 14cylinder BMW-139 air-cooled radial en gme first prototype FW-190 VI large ducted spinner same diameter cowling system failed provide adequate cooling just beginning overheating problems plague early Focke-Wulfs fitting subse quent versions powerful BMW-801 twin-row radial conven tional spinner 12-bladed cooling fan right landing gear shown downand-locked position Pushrod Ae music wire makes straight run servo simple gear door fasteners have given no problem Williams Bros 3-in wheels thin enough fit easily wing Tall wheel mount silver soldered sheet brass screwed 3/i ply glued fuselags structure Steering via link rud der horn easier using rudder itself modelworks just well Note single coil bent tail wheel strut Left Retract servo sits inverted ahead aileron servo Ailerons driven via brass music wire torque rods Right Radio installation Battery receiver between formers F7 F9 held place #64 rubberbands music wire hooks Rubberbands also use ful keeping wire harnesses neat place Antenna routed through plastic soda straw conduit glued formers inside fuselage Left B&D retracts shown require pretty much straight push-pull arrangement servo Appropriate ribs cut out lust enough clear wheels landing gear retracted position Wheel wells lined soft sheet balsa fuel-proofed Right Original stallation aK&B 35 shows homemade sheet brass muffler J-Tec in-cowl muffler should work just well plenty room 26 Model Aviation FOCKE-WULF Fw 190-A DESIGNED BY GARY BROWN - SQ 33 X j BALSA KEEL RLS1 1x 3/8 BALSA CLEAR BUThRRTE PY K I6 BALSA CRLJrCI4 - DIR TRILLHEEL - I6 BALSA STRINGERS BALSA SHEET % PLY SA SHEET COLL RINGS 2 iLUIflINUfl SPI NNER $6/ 5OFT BALSR 325DIA WHEEL S 46 BALSA SHEET 45QSPRUCE SPAR BALSA L3E-B - BALSA SHEET tE BRISR RIBS 4x CAPSTRIP N 16 BALSA SHEET TE 16 -A BALSABALSA SI4EE-TL E ING FOR COOLING316 SOCT LINE WITH 1/16F-6POI BALSA SHEET____ / LX 74 PLYWOOD FIR EWALL 1/2 BALSA 4 PESO / 1/2 BALSA ----4 HESS 2 S COWL RINGS I/2 BALSA COWL RINGS F-S 24 4 BALSAII H ROOD 3/R BALSA SHEET rRUDDER LEADING EDGE ENGINE IS 35 TU 45SC TWO CYCLE NO THRUSTBE OFFSETS 1/2 BALSA SHEET COWL RINGS 21/2 DIA SPINNER LU M INOM FROM ACBLEY METAL PROD 7476 RIDDEWAY SRFIL BUENA PARR CA 9G620OF NOTE LAGE MARKINGS ARE FROM JASDGESCHSRASAR 54 GRUN HERD 5/31 MUG FLOOR ROBS FROM F-ID TO F-IS- I/H COCKPIT RBALSA SHEET better ducting overheating condition eventually resolved Although BF-109 remained Ger manys principal fighter throughout World War II FW- 190 became important auxiliary Luftwaffes number tac tical multirole attack aircraft Over course war Wurger equipped wide range armament 79mm MG-17 machine gun 30mm cannons 1000-lb bombs Recognizing exploiting aircrafts versatility Na zis deployed fighter fighter bomber torpedo bomber reconnais sance plane ground support plane used both all-weather night fighter wingspan 34 ft 5 takeoff weight 8000 lb Wurger lighter smaller Allied aircraft contrast P-47D wing span 40 ft 9 weighed 13500 lb takeoff wingspan takeoff weight P-51D 37 ft 10000 lb respectively FW-190 obvi ously diminutive potent bird capable maneuvering best skies over Europe interest Wurger dates trip Smithsonians aircraft restoration Above Air exit duct cowling functional V2-in-dia hole provides access glow plug wing fillet rather small made easily microballoons epoxy Right radio com partment big enough just about system Wing saddles % plywood wing mounts -in plywood clearly visible 28 Model Aviation PS I/H NALSA SECTIONS NOTE GRAIN DIRECTION JL sticks stringers plane could almost pass Comet rubber-powered kit landing gear flying surfaces being fitted before covering painting ii 1/4 BALSA GREET FIN LEASING EDGE GREEN HEARTSI Basic sub-assemblies have completely sanded and made ready covering fuselage wing stab Note vertical fin constructed directly fuselage Full-Size Plans Available. See Page 184 NOTE ALL STRINGERS ARE 3/IHI/B HARD BALSA NOTCH FORMER /5 DEEP TO ALLOW 1116SF STRINGER F-Il_____ TO SHOW ABOVE FORMER- -y--I/IA SHEETING F-br/~ nr T --4 "~-I/1A PLYWOOGI/BBALSA [SHEET I/BBALSA SHEET9 F13 STRINGER LOCATIONS F-7 1/16 PLYWOOD /R BALSA SHEETAl/H BALSA SHEET / 3/VA PLYWOOD -- COWL AIR FLOW DUCT1/4 PLYWOOD APPRUG POSITION OFI/O BALSA U REGOr- -MOUNTSI/H BALSA - SHEET WINS DOWEL DO NOTS/AA PLY CROSSWING SADDLE DOUBLERDRILL UNTIL WINO ISSECTION E SIDE OF 0 READY TO MOUNTI/H PLYWOOJCOOLING DUCT FORI/1A BALSA SHEETING ENGINE N EGHAGGYBETWEEN STRINGERS I/A PLYWOOD3/64 PLYWOOD WING MOUNTS -~ WINDSHIELD E HEADREST 3/IA 3/B BALSA IsNI IF-IA F-17 --V- I-_ /16 BALSA STRIPS ABOUND --VA BALSA GUSSETS T COCKPITFOR FIN -FUSELAGE TOP VIEW3/IA I/A BALSA -CLEARlID BALSA SHEET F-bBUTYRATEHOLLOWEDLGB4INATE JOINTS F-Il CANOPYWITH 3/HA PY 0/64 PLY3/IA 3/B BALSA KEEL EDGE F-BF-BF-ID -- F-IS BATT AREA-IAABALSA - SHEET AIRRECEIVER AREAWRITE GREN tCTSERUOSN I FI5 I/B BALSA SHEET COCKPIT3/IA BALSA STIFFENER I/IA BALSA SHEET MOUNT BETWEEN F-N H F-IS ID REUDI 3/IA BALSAF-IA F-IT 3/IA BALSA SHEET 3/H RALSA N BADGER RIBS GASSETSS/IA 3/IA BOTH SIDESWHITE 93'BALSA 3/IA BALSA -, -- --%TYUYISTAB MOANT'- CSII ' 3/A PLY-BLACK STAB CUTOUT WINS SADDLE-2 0 INCIDENCE S/IA DIA DOWELWINS INCID OP"LAM NATE FROM TWO 3/lAPLY3W N l/D FECES -MOONTTO FIT WIDTH OF 7/B DIA TEMPORARY KEEL/4 PLYI/B 3/IA BALSA3/IA 3/B BALSATAILIAHEEL REMOVE AFTERWINO MUONTSSTRINGERSCRUTCH H KEEL STRINGER INSTALLSOFT RALSA3/3D BALSA FILL BLOCHBETWEEN STRINGERS FUSELAGE SIDE VIEW NOTE LASE IS SHEETED WITH I/IA BALSA FROM F-S TO F-B BOLT PINE BLOCKS FOR HANDLES I/IA 23Z2TW BRASS 030 BRASS - TuBE SHEET TAILIAHEEL MOANT 030 BOTYRATE SHEET/ MALE MOLD'-V/ OF CABOPY PINE IIiiVBLOCKYR RED BUILDAIEOAYIOPT ARiA WITH J/ZIDGEI2WARM MOLD N OVERt DALSKSHEETsIRCALSi IN PLACE3 HEAT BATYRATE SHEET AND CARVE TO SHAPE 4 WHEN SHEELOAREPALL IAIJflGY flETAIINWIAN SR BY S SILVER SOLDER SPECIFICATIONS WINS SPAN5B LENGTHWA ENGINE35 45 D CYCLE WEIGHTS 3D 5-I/D LBS WITH RETRACTSS CHANNELS 5I2045B SHEET IOFZ MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED B DRAWN BY GARY BROWN TRACING BY JOE DEMARCO ALL RIGHTS RESERVED facilities Silver Hill MD friend George Clapp process finaliz ing set superb three-views DH-4 Id traveled him assist taking measurements recently completed ex ample aircraft time several planes undergoing restoration Japanese Nakajima Irving twin engine night fighter early Northrop flying wing FW-190 fascinated small compact size Focke Wulf design always looks much larger photographs Taking time study aircraft intimately began ap preciate its clean functional lines care ful engineering decided begin collection material FW 190 both satisfy own interest basis recreating RC model doing purpose pro duce exact Scale replica suitable Nats competition lightweight semiscale de sign retracts would capable good performance 35 40 en gine Ive flown model weighs 5 lb old K&B 35 have since sub stituted HP 40 improved performLeft Authors canopy molded 030 clear butyrate sheet says works easily Follow directions plan practice several sheets until get good Right B&D 850 retract gear shown gear doors attachments Thin -in ply piece gear door bottom holds door curved shape match airfoil section wheels retracted photographs author July 1988 29 3/IA I/IA BALSA F-BSOFINEBSEF-S BALSA 4AR /IfJJBROS 3D5 DIASMOOTH CONTOUR ance Though finished markings particular aircraft does carry JAGDESCHWADER 54 GRUNHERZ signia green heart GRUNHERZ GESCHWADER emblem shield cowl Gruppen insig nia Photographs markings both FW- 190s BF- 109s quite common aircraft history books youve ever built Old-Timer sticktype model constructing Wurger shouldnt bring unwelcome surprises Before begin however study plans thoroughly acquaint yourself design Wing Build left right panels over plans gluing ribs R-4 through R-1 1 bottom front 14-in spar rear Wing structure basically semi-symmet rical airfoil four spars sheeted LE %z brass torque tube actuates ailerons NOTE RIBS ARE ALL Si 1/16 B 1/4 3/B BALSA WINS TIPS H-H R-N B-IS______________________________ RTI -FW BLACK~ WHIT SCRAPBALSA PILL AILERON I/S BALSATTPICAL SOSSETLOCATISE 16PLY DIHEDRALFLYINS S BHACESRINSES S STEEL P1 5/16 DOWELPOINTS -ThI 3/16 50 SPRUCE I/H SO SPRLCE-SPARS SPARS TRIM SOT FORR-2 SETRACS-F 1/161 1/ISBALSA SHEETING _ ---BALSA TE R-3 COT SOT FOSI/IH BALD RETR L ~SHEET R4 -N li R-5 76-U I/IS BALDA-R-6 SHEET --R7 CAP STRIP 3/BBALSAR-8 LEASING EDGEIJZ5/163/B BALSA -R-IO 1/16 BALSA SHEETR-II3A-in ones sure spar material ar row straight Plywood ribs R-4 R-5 may need modified accept retracts other used made B&D Glue top front rear spars Glue leading edge ribs R-3 R 11 trailing edge R- 1 R-7 Add trailing edge aileron spar re lated pieces detail refer cross section rib R-8 shown plans Join left right wing panels front rear plywood dihedral braces Once glue dry add center rib R 1 ribs 2 3 Finish general wing framing adding top center-section sheeting leading trailing edge pieces per plans Youre ready install retracts servos Work out retract locations operations establish retract servo location its linkage Determine set up aileron servo location same torque tube linkage operation works satisfactorily finish undone sheeting such top bottom leading edge Line wheel wells soft Il Tail surface group Note use Robart Hinge Points Balsa blocks glued spars give hinges area adhesion Tail surface leading edges rounded give sealed joint effect Tail wheel bracket cut sheet brass silver soldered joints 30 Model Aviation Full-Size Plans Available. See Page 164 BD MECHANICAL 85 RETR4CTS NOTE 1/16 BALSA TOP SHEETING1/16 PLY-WITH 3-I/H WILLIAMS BROs SMOOTh3/BBALSA SHEET NOT SI-IOWN FOR CLARITYLEADING EDGE BHO R-5 [v32][b-1-10-1-10]]SO SO B-IS -1 TY~J EROS 7S 505 PLY DIHEDRAL3/16 50STRIPS 1/6 BALSABRACE WEBS- V ERT BAOOI S rT- SPOT SLOE SM/ ANTOPVIEWDOWEL 10 RETAIN/16 BALSA VIRBALSA TOD TORQUE ROD -SERT IDRAIN -- -Th-WY TI Ii-[YS/IC SRAR SURE EILERON TORQUE TUBES'- 2SBYJRESlICE BUSHINGSSPASER V iEE DETAIL /16 PLY T ECENTER SOLIDBALSA WESOESIIIIE~ -" SECTION-BOTTOM ONLYTO PRESET CRUOHIBA VERTICAL GRAIN t/L3BESSO SORNBE 3/36AC BAING SADDLE B FILLET BASE VR PLY REARTOREURSOBRASS 5/52 GA BRASS DIHEDRAL BRACEIL B N TSR UEPRIIS NOB AlL3/64 PLY S REQUIRED -TOPSPARTOPOPAR H-RBH-SRIORI hOER SOIXWR-OH-SH-AH-H 0/52 016- ' OMRETRACT V4SO SPRUcE FRONT VIEW WING S IA TOP 8HCPLYROOODIHEDRAL EACH LS PLY FRONTI NOT OHS NI/B BALSA DIHEDRAL BRACE ZL#L#roP--79 REAR NMO TS I/H PLYWOOD 2 REQUIRED HR-O TOP MAIB SPAR BOTTOM MAN SPAR V16 PLYWOOD 3/A PLYWOOD RETRACT MOUNT MOUNTINGBlURT WING LOCATIONS- HOLLOW OUT 1/16 PLYSLIGHTLY FOB4S.3/16 PLYWOOD LA SOOR-LG STRUT I/B PLY STIFFENERLEFT OSRUE FOR AIRFOI SRCUT GUT I1A-4L3/I6• PLY LO BOOR CURSED_ TO CONFORM WITH WING BOTTOMNOTE OTHER RETRACT SYSTEMS WILL WHEEL DOORS_____________________ ii VIFw RESGIRE DIFFERENT CUT OUTS ON MOUNTS LG MOUNTS CROSS SECTION3/16 PLY3/DD BALSA TYPICALHORN MORNS TOP BALSAI/B M WSTRIP HINGE LOCATIONI/BBAD BOTTOM SUB RIBS 3/16 3/B BALSA TRAILING EDGE WING LE 3/3D BALSA SHEET I/A A SHEET TIP SIt3B5B SHEET 2 OF 2 MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED S DRAWN BY GARY BROWN ITRACING BY JOE DEMARCO ICI tIltEllS rRPDMrfl 1/16 BALSA SHEET T F OR ATTACHMENT DETAIL 3/32 PLY DIHEDRAL BRACE ---5 9/B oS/B BALSA SPAR yE BALSA SHEET ALERON YE /16 balsa keep dirt oil wing interior Install leading edge wing dowel after covering wing Fuselage Begin assembling /16 x %-in horizontal crutch over plans Cut out formers F-S through F-16 Spot glue six seven balsa scraps across frame hold its shape add form ers sure cut notches plywood formers F-6 F-7 before gluing crutch Glue first last former dry glue remaining formers removing balsa scraps proceed Add top bottom /16 x 3A-in balsa keels Glue /16 cockpit sheeting F-9 F-b F-13 along wing saddles Determine Stringer locations using pins rubberbands secure left right top bottom stringer groups formers Once arranged sym Continued page 126 Bottom side above top side right wing center section 3A ply frame mounts retractable landing gear between two 1As ply ribs Dihedral braces 1A-ln ply BUpport center section July 1988 31 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. P-39 IRA COBRA 55 SPAN. P-51D MUSTANG 54 SPAN C202 FOLGORE 55.. FOCKE WULF 19054 SPAN. WAR II FIGHTER SERIES PHONE 815-459-0417 SHORT KI1S FICWDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED respondl.g advertisers mention read about ModelAviation WANNA RACE LtflDTUAQT AnA BEGINNER RACES r 0-500 -i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 611 528-4043 203 613-2000 beef up structure would add excess weight degrade performance Setup flying youve kept weight down FW-190 will fly very well no bad habits Takeoffs quite straight absolutely no ground looping bit corrective right rudder needed sus pect wide-spaced mains largely re sponsible its good manners ground model will rise-off-ground ROG reaches flying speed eleva tor input Once clears ground little elevator healthy 40 will give good climbout Landings easy man age also Drop gear practice ap proaches gradually slowing accepta ble landing speed Use rudder keep straight slows approach Youll find airplane will slow down nicely out threatening stall first flights followed conven tional practice pairing 10 x 6 prop 40 engine experimentation quickly taught other prop sizes work better model 12 x 4 Zinger seems give best pull 11 x 6 seems bet ter speed moral Experiment different prop diameters pitches aircraft its clean lines easygoing flying disposition FW-190 makes good choice workbench next building season too demanding build very satisfying flying field Radio Technique/Myers Continued page 33 Im ask 2-6 mixer puts flaps opposite elevator like Ukie Stunt model flaps elevator cant imagine youd want flaps going same way elevator unless take care some installation peculiarity reversing switches channels seems redundant 6-2 mixer puts neutral offset el evator channel whether flaps low ered Again strange use elevator trim flaps like trim proportional flap setting Mr Lanterman told mix ers will different soon servo construction looks pretty durable featuring 0-ring-sealed case brass-on-steel bearings critical locations splined shafts output wheels convenient size should adequate planes engines up 60 size though might too big narrrow-fuselage Sailplane like Sagitta realize getting narrowband FM seven-channel system mixing/reversing features four servos Ni-Cds neck strap charger about $165 retail think wont have much excuse hanging onto old set keep trying convert $10 Look way isnt cost radio thats important its cost repairs after crash Hinges/Michaelis Continued page 36 want free stretch Photo 10 tweezers used poke pull hinges through aileron slots Photo 11 / ply strip used ap ply wax just behind slot avoid un wanted bonding Photo 12 moment truth Zap ap plied skin loose hinge end wrapped up against waxed stick under slight tension poised quickly jam down until glue fires much tension case about / right Use sharp blade remove excess hinge material Ap ply bit Zap needed until least bonded Photo 13 aileron spread scraps along hinge line bot tom can accurately positioned glued Photo 14 Depending care mak ing good butt fit hinge line can ex tremely fine Photo 15 shows flap installation Because hinges low such ar rangement full down deflection imparts negligible tension Up flap adds little tension hinges installed sufficient allowance stretch ef fect nominal Photo 16 just include JM Glascraft P-s ls like Penetrator used tip ailerons rubber hinges 128 Model Aviation CENTURY SYSTEMS OZ QUALITY PRODUCTS FROM DOWN UNDER Features snga 04 backup nafety equipment fur RIC modem Helicopter Gyro Fixed Wing Gyro Battery Cyciar Battery Checker Lost Modet Atarm Battery Backer 4 Channai Failsafe 2 Channel Mixer Muiti Charger Field Home Charger Electronic Switch Electronic Speed Control Thermal Cut-Oft Charger Send 01 postage free catalog PO BOx 4085 Costa Mesa Ca 02826 Phone 714 082-2480 DEALERS INOUIRIES WELCOME ZMA Name Street Address City StateZip HOWW BB INTERNATIONAL INC
Edition: Model Aviation - 1988/07
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 126, 128
NO OCR TEXT NO OCR TEXT model also full-size FW-1 90 handles easily ground Takeoffs exhibit no tendency ground loop tad right rudder needed keep rolling straight 190 airplane nicknamed Wurger German Butcher Bird designed around twin-row 14cylinder BMW-139 air-cooled radial en gme first prototype FW-190 VI large ducted spinner same diameter cowling system failed provide adequate cooling just beginning overheating problems plague early Focke-Wulfs fitting subse quent versions powerful BMW-801 twin-row radial conven tional spinner 12-bladed cooling fan right landing gear shown downand-locked position Pushrod Ae music wire makes straight run servo simple gear door fasteners have given no problem Williams Bros 3-in wheels thin enough fit easily wing Tall wheel mount silver soldered sheet brass screwed 3/i ply glued fuselags structure Steering via link rud der horn easier using rudder itself modelworks just well Note single coil bent tail wheel strut Left Retract servo sits inverted ahead aileron servo Ailerons driven via brass music wire torque rods Right Radio installation Battery receiver between formers F7 F9 held place #64 rubberbands music wire hooks Rubberbands also use ful keeping wire harnesses neat place Antenna routed through plastic soda straw conduit glued formers inside fuselage Left B&D retracts shown require pretty much straight push-pull arrangement servo Appropriate ribs cut out lust enough clear wheels landing gear retracted position Wheel wells lined soft sheet balsa fuel-proofed Right Original stallation aK&B 35 shows homemade sheet brass muffler J-Tec in-cowl muffler should work just well plenty room 26 Model Aviation FOCKE-WULF Fw 190-A DESIGNED BY GARY BROWN - SQ 33 X j BALSA KEEL RLS1 1x 3/8 BALSA CLEAR BUThRRTE PY K I6 BALSA CRLJrCI4 - DIR TRILLHEEL - I6 BALSA STRINGERS BALSA SHEET % PLY SA SHEET COLL RINGS 2 iLUIflINUfl SPI NNER $6/ 5OFT BALSR 325DIA WHEEL S 46 BALSA SHEET 45QSPRUCE SPAR BALSA L3E-B - BALSA SHEET tE BRISR RIBS 4x CAPSTRIP N 16 BALSA SHEET TE 16 -A BALSABALSA SI4EE-TL E ING FOR COOLING316 SOCT LINE WITH 1/16F-6POI BALSA SHEET____ / LX 74 PLYWOOD FIR EWALL 1/2 BALSA 4 PESO / 1/2 BALSA ----4 HESS 2 S COWL RINGS I/2 BALSA COWL RINGS F-S 24 4 BALSAII H ROOD 3/R BALSA SHEET rRUDDER LEADING EDGE ENGINE IS 35 TU 45SC TWO CYCLE NO THRUSTBE OFFSETS 1/2 BALSA SHEET COWL RINGS 21/2 DIA SPINNER LU M INOM FROM ACBLEY METAL PROD 7476 RIDDEWAY SRFIL BUENA PARR CA 9G620OF NOTE LAGE MARKINGS ARE FROM JASDGESCHSRASAR 54 GRUN HERD 5/31 MUG FLOOR ROBS FROM F-ID TO F-IS- I/H COCKPIT RBALSA SHEET better ducting overheating condition eventually resolved Although BF-109 remained Ger manys principal fighter throughout World War II FW- 190 became important auxiliary Luftwaffes number tac tical multirole attack aircraft Over course war Wurger equipped wide range armament 79mm MG-17 machine gun 30mm cannons 1000-lb bombs Recognizing exploiting aircrafts versatility Na zis deployed fighter fighter bomber torpedo bomber reconnais sance plane ground support plane used both all-weather night fighter wingspan 34 ft 5 takeoff weight 8000 lb Wurger lighter smaller Allied aircraft contrast P-47D wing span 40 ft 9 weighed 13500 lb takeoff wingspan takeoff weight P-51D 37 ft 10000 lb respectively FW-190 obvi ously diminutive potent bird capable maneuvering best skies over Europe interest Wurger dates trip Smithsonians aircraft restoration Above Air exit duct cowling functional V2-in-dia hole provides access glow plug wing fillet rather small made easily microballoons epoxy Right radio com partment big enough just about system Wing saddles % plywood wing mounts -in plywood clearly visible 28 Model Aviation PS I/H NALSA SECTIONS NOTE GRAIN DIRECTION JL sticks stringers plane could almost pass Comet rubber-powered kit landing gear flying surfaces being fitted before covering painting ii 1/4 BALSA GREET FIN LEASING EDGE GREEN HEARTSI Basic sub-assemblies have completely sanded and made ready covering fuselage wing stab Note vertical fin constructed directly fuselage Full-Size Plans Available. See Page 184 NOTE ALL STRINGERS ARE 3/IHI/B HARD BALSA NOTCH FORMER /5 DEEP TO ALLOW 1116SF STRINGER F-Il_____ TO SHOW ABOVE FORMER- -y--I/IA SHEETING F-br/~ nr T --4 "~-I/1A PLYWOOGI/BBALSA [SHEET I/BBALSA SHEET9 F13 STRINGER LOCATIONS F-7 1/16 PLYWOOD /R BALSA SHEETAl/H BALSA SHEET / 3/VA PLYWOOD -- COWL AIR FLOW DUCT1/4 PLYWOOD APPRUG POSITION OFI/O BALSA U REGOr- -MOUNTSI/H BALSA - SHEET WINS DOWEL DO NOTS/AA PLY CROSSWING SADDLE DOUBLERDRILL UNTIL WINO ISSECTION E SIDE OF 0 READY TO MOUNTI/H PLYWOOJCOOLING DUCT FORI/1A BALSA SHEETING ENGINE N EGHAGGYBETWEEN STRINGERS I/A PLYWOOD3/64 PLYWOOD WING MOUNTS -~ WINDSHIELD E HEADREST 3/IA 3/B BALSA IsNI IF-IA F-17 --V- I-_ /16 BALSA STRIPS ABOUND --VA BALSA GUSSETS T COCKPITFOR FIN -FUSELAGE TOP VIEW3/IA I/A BALSA -CLEARlID BALSA SHEET F-bBUTYRATEHOLLOWEDLGB4INATE JOINTS F-Il CANOPYWITH 3/HA PY 0/64 PLY3/IA 3/B BALSA KEEL EDGE F-BF-BF-ID -- F-IS BATT AREA-IAABALSA - SHEET AIRRECEIVER AREAWRITE GREN tCTSERUOSN I FI5 I/B BALSA SHEET COCKPIT3/IA BALSA STIFFENER I/IA BALSA SHEET MOUNT BETWEEN F-N H F-IS ID REUDI 3/IA BALSAF-IA F-IT 3/IA BALSA SHEET 3/H RALSA N BADGER RIBS GASSETSS/IA 3/IA BOTH SIDESWHITE 93'BALSA 3/IA BALSA -, -- --%TYUYISTAB MOANT'- CSII ' 3/A PLY-BLACK STAB CUTOUT WINS SADDLE-2 0 INCIDENCE S/IA DIA DOWELWINS INCID OP"LAM NATE FROM TWO 3/lAPLY3W N l/D FECES -MOONTTO FIT WIDTH OF 7/B DIA TEMPORARY KEEL/4 PLYI/B 3/IA BALSA3/IA 3/B BALSATAILIAHEEL REMOVE AFTERWINO MUONTSSTRINGERSCRUTCH H KEEL STRINGER INSTALLSOFT RALSA3/3D BALSA FILL BLOCHBETWEEN STRINGERS FUSELAGE SIDE VIEW NOTE LASE IS SHEETED WITH I/IA BALSA FROM F-S TO F-B BOLT PINE BLOCKS FOR HANDLES I/IA 23Z2TW BRASS 030 BRASS - TuBE SHEET TAILIAHEEL MOANT 030 BOTYRATE SHEET/ MALE MOLD'-V/ OF CABOPY PINE IIiiVBLOCKYR RED BUILDAIEOAYIOPT ARiA WITH J/ZIDGEI2WARM MOLD N OVERt DALSKSHEETsIRCALSi IN PLACE3 HEAT BATYRATE SHEET AND CARVE TO SHAPE 4 WHEN SHEELOAREPALL IAIJflGY flETAIINWIAN SR BY S SILVER SOLDER SPECIFICATIONS WINS SPAN5B LENGTHWA ENGINE35 45 D CYCLE WEIGHTS 3D 5-I/D LBS WITH RETRACTSS CHANNELS 5I2045B SHEET IOFZ MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED B DRAWN BY GARY BROWN TRACING BY JOE DEMARCO ALL RIGHTS RESERVED facilities Silver Hill MD friend George Clapp process finaliz ing set superb three-views DH-4 Id traveled him assist taking measurements recently completed ex ample aircraft time several planes undergoing restoration Japanese Nakajima Irving twin engine night fighter early Northrop flying wing FW-190 fascinated small compact size Focke Wulf design always looks much larger photographs Taking time study aircraft intimately began ap preciate its clean functional lines care ful engineering decided begin collection material FW 190 both satisfy own interest basis recreating RC model doing purpose pro duce exact Scale replica suitable Nats competition lightweight semiscale de sign retracts would capable good performance 35 40 en gine Ive flown model weighs 5 lb old K&B 35 have since sub stituted HP 40 improved performLeft Authors canopy molded 030 clear butyrate sheet says works easily Follow directions plan practice several sheets until get good Right B&D 850 retract gear shown gear doors attachments Thin -in ply piece gear door bottom holds door curved shape match airfoil section wheels retracted photographs author July 1988 29 3/IA I/IA BALSA F-BSOFINEBSEF-S BALSA 4AR /IfJJBROS 3D5 DIASMOOTH CONTOUR ance Though finished markings particular aircraft does carry JAGDESCHWADER 54 GRUNHERZ signia green heart GRUNHERZ GESCHWADER emblem shield cowl Gruppen insig nia Photographs markings both FW- 190s BF- 109s quite common aircraft history books youve ever built Old-Timer sticktype model constructing Wurger shouldnt bring unwelcome surprises Before begin however study plans thoroughly acquaint yourself design Wing Build left right panels over plans gluing ribs R-4 through R-1 1 bottom front 14-in spar rear Wing structure basically semi-symmet rical airfoil four spars sheeted LE %z brass torque tube actuates ailerons NOTE RIBS ARE ALL Si 1/16 B 1/4 3/B BALSA WINS TIPS H-H R-N B-IS______________________________ RTI -FW BLACK~ WHIT SCRAPBALSA PILL AILERON I/S BALSATTPICAL SOSSETLOCATISE 16PLY DIHEDRALFLYINS S BHACESRINSES S STEEL P1 5/16 DOWELPOINTS -ThI 3/16 50 SPRUCE I/H SO SPRLCE-SPARS SPARS TRIM SOT FORR-2 SETRACS-F 1/161 1/ISBALSA SHEETING _ ---BALSA TE R-3 COT SOT FOSI/IH BALD RETR L ~SHEET R4 -N li R-5 76-U I/IS BALDA-R-6 SHEET --R7 CAP STRIP 3/BBALSAR-8 LEASING EDGEIJZ5/163/B BALSA -R-IO 1/16 BALSA SHEETR-II3A-in ones sure spar material ar row straight Plywood ribs R-4 R-5 may need modified accept retracts other used made B&D Glue top front rear spars Glue leading edge ribs R-3 R 11 trailing edge R- 1 R-7 Add trailing edge aileron spar re lated pieces detail refer cross section rib R-8 shown plans Join left right wing panels front rear plywood dihedral braces Once glue dry add center rib R 1 ribs 2 3 Finish general wing framing adding top center-section sheeting leading trailing edge pieces per plans Youre ready install retracts servos Work out retract locations operations establish retract servo location its linkage Determine set up aileron servo location same torque tube linkage operation works satisfactorily finish undone sheeting such top bottom leading edge Line wheel wells soft Il Tail surface group Note use Robart Hinge Points Balsa blocks glued spars give hinges area adhesion Tail surface leading edges rounded give sealed joint effect Tail wheel bracket cut sheet brass silver soldered joints 30 Model Aviation Full-Size Plans Available. See Page 164 BD MECHANICAL 85 RETR4CTS NOTE 1/16 BALSA TOP SHEETING1/16 PLY-WITH 3-I/H WILLIAMS BROs SMOOTh3/BBALSA SHEET NOT SI-IOWN FOR CLARITYLEADING EDGE BHO R-5 [v32][b-1-10-1-10]]SO SO B-IS -1 TY~J EROS 7S 505 PLY DIHEDRAL3/16 50STRIPS 1/6 BALSABRACE WEBS- V ERT BAOOI S rT- SPOT SLOE SM/ ANTOPVIEWDOWEL 10 RETAIN/16 BALSA VIRBALSA TOD TORQUE ROD -SERT IDRAIN -- -Th-WY TI Ii-[YS/IC SRAR SURE EILERON TORQUE TUBES'- 2SBYJRESlICE BUSHINGSSPASER V iEE DETAIL /16 PLY T ECENTER SOLIDBALSA WESOESIIIIE~ -" SECTION-BOTTOM ONLYTO PRESET CRUOHIBA VERTICAL GRAIN t/L3BESSO SORNBE 3/36AC BAING SADDLE B FILLET BASE VR PLY REARTOREURSOBRASS 5/52 GA BRASS DIHEDRAL BRACEIL B N TSR UEPRIIS NOB AlL3/64 PLY S REQUIRED -TOPSPARTOPOPAR H-RBH-SRIORI hOER SOIXWR-OH-SH-AH-H 0/52 016- ' OMRETRACT V4SO SPRUcE FRONT VIEW WING S IA TOP 8HCPLYROOODIHEDRAL EACH LS PLY FRONTI NOT OHS NI/B BALSA DIHEDRAL BRACE ZL#L#roP--79 REAR NMO TS I/H PLYWOOD 2 REQUIRED HR-O TOP MAIB SPAR BOTTOM MAN SPAR V16 PLYWOOD 3/A PLYWOOD RETRACT MOUNT MOUNTINGBlURT WING LOCATIONS- HOLLOW OUT 1/16 PLYSLIGHTLY FOB4S.3/16 PLYWOOD LA SOOR-LG STRUT I/B PLY STIFFENERLEFT OSRUE FOR AIRFOI SRCUT GUT I1A-4L3/I6• PLY LO BOOR CURSED_ TO CONFORM WITH WING BOTTOMNOTE OTHER RETRACT SYSTEMS WILL WHEEL DOORS_____________________ ii VIFw RESGIRE DIFFERENT CUT OUTS ON MOUNTS LG MOUNTS CROSS SECTION3/16 PLY3/DD BALSA TYPICALHORN MORNS TOP BALSAI/B M WSTRIP HINGE LOCATIONI/BBAD BOTTOM SUB RIBS 3/16 3/B BALSA TRAILING EDGE WING LE 3/3D BALSA SHEET I/A A SHEET TIP SIt3B5B SHEET 2 OF 2 MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED S DRAWN BY GARY BROWN ITRACING BY JOE DEMARCO ICI tIltEllS rRPDMrfl 1/16 BALSA SHEET T F OR ATTACHMENT DETAIL 3/32 PLY DIHEDRAL BRACE ---5 9/B oS/B BALSA SPAR yE BALSA SHEET ALERON YE /16 balsa keep dirt oil wing interior Install leading edge wing dowel after covering wing Fuselage Begin assembling /16 x %-in horizontal crutch over plans Cut out formers F-S through F-16 Spot glue six seven balsa scraps across frame hold its shape add form ers sure cut notches plywood formers F-6 F-7 before gluing crutch Glue first last former dry glue remaining formers removing balsa scraps proceed Add top bottom /16 x 3A-in balsa keels Glue /16 cockpit sheeting F-9 F-b F-13 along wing saddles Determine Stringer locations using pins rubberbands secure left right top bottom stringer groups formers Once arranged sym Continued page 126 Bottom side above top side right wing center section 3A ply frame mounts retractable landing gear between two 1As ply ribs Dihedral braces 1A-ln ply BUpport center section July 1988 31 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. P-39 IRA COBRA 55 SPAN. P-51D MUSTANG 54 SPAN C202 FOLGORE 55.. FOCKE WULF 19054 SPAN. WAR II FIGHTER SERIES PHONE 815-459-0417 SHORT KI1S FICWDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED respondl.g advertisers mention read about ModelAviation WANNA RACE LtflDTUAQT AnA BEGINNER RACES r 0-500 -i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 611 528-4043 203 613-2000 beef up structure would add excess weight degrade performance Setup flying youve kept weight down FW-190 will fly very well no bad habits Takeoffs quite straight absolutely no ground looping bit corrective right rudder needed sus pect wide-spaced mains largely re sponsible its good manners ground model will rise-off-ground ROG reaches flying speed eleva tor input Once clears ground little elevator healthy 40 will give good climbout Landings easy man age also Drop gear practice ap proaches gradually slowing accepta ble landing speed Use rudder keep straight slows approach Youll find airplane will slow down nicely out threatening stall first flights followed conven tional practice pairing 10 x 6 prop 40 engine experimentation quickly taught other prop sizes work better model 12 x 4 Zinger seems give best pull 11 x 6 seems bet ter speed moral Experiment different prop diameters pitches aircraft its clean lines easygoing flying disposition FW-190 makes good choice workbench next building season too demanding build very satisfying flying field Radio Technique/Myers Continued page 33 Im ask 2-6 mixer puts flaps opposite elevator like Ukie Stunt model flaps elevator cant imagine youd want flaps going same way elevator unless take care some installation peculiarity reversing switches channels seems redundant 6-2 mixer puts neutral offset el evator channel whether flaps low ered Again strange use elevator trim flaps like trim proportional flap setting Mr Lanterman told mix ers will different soon servo construction looks pretty durable featuring 0-ring-sealed case brass-on-steel bearings critical locations splined shafts output wheels convenient size should adequate planes engines up 60 size though might too big narrrow-fuselage Sailplane like Sagitta realize getting narrowband FM seven-channel system mixing/reversing features four servos Ni-Cds neck strap charger about $165 retail think wont have much excuse hanging onto old set keep trying convert $10 Look way isnt cost radio thats important its cost repairs after crash Hinges/Michaelis Continued page 36 want free stretch Photo 10 tweezers used poke pull hinges through aileron slots Photo 11 / ply strip used ap ply wax just behind slot avoid un wanted bonding Photo 12 moment truth Zap ap plied skin loose hinge end wrapped up against waxed stick under slight tension poised quickly jam down until glue fires much tension case about / right Use sharp blade remove excess hinge material Ap ply bit Zap needed until least bonded Photo 13 aileron spread scraps along hinge line bot tom can accurately positioned glued Photo 14 Depending care mak ing good butt fit hinge line can ex tremely fine Photo 15 shows flap installation Because hinges low such ar rangement full down deflection imparts negligible tension Up flap adds little tension hinges installed sufficient allowance stretch ef fect nominal Photo 16 just include JM Glascraft P-s ls like Penetrator used tip ailerons rubber hinges 128 Model Aviation CENTURY SYSTEMS OZ QUALITY PRODUCTS FROM DOWN UNDER Features snga 04 backup nafety equipment fur RIC modem Helicopter Gyro Fixed Wing Gyro Battery Cyciar Battery Checker Lost Modet Atarm Battery Backer 4 Channai Failsafe 2 Channel Mixer Muiti Charger Field Home Charger Electronic Switch Electronic Speed Control Thermal Cut-Oft Charger Send 01 postage free catalog PO BOx 4085 Costa Mesa Ca 02826 Phone 714 082-2480 DEALERS INOUIRIES WELCOME ZMA Name Street Address City StateZip HOWW BB INTERNATIONAL INC
Edition: Model Aviation - 1988/07
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 126, 128
NO OCR TEXT NO OCR TEXT model also full-size FW-1 90 handles easily ground Takeoffs exhibit no tendency ground loop tad right rudder needed keep rolling straight 190 airplane nicknamed Wurger German Butcher Bird designed around twin-row 14cylinder BMW-139 air-cooled radial en gme first prototype FW-190 VI large ducted spinner same diameter cowling system failed provide adequate cooling just beginning overheating problems plague early Focke-Wulfs fitting subse quent versions powerful BMW-801 twin-row radial conven tional spinner 12-bladed cooling fan right landing gear shown downand-locked position Pushrod Ae music wire makes straight run servo simple gear door fasteners have given no problem Williams Bros 3-in wheels thin enough fit easily wing Tall wheel mount silver soldered sheet brass screwed 3/i ply glued fuselags structure Steering via link rud der horn easier using rudder itself modelworks just well Note single coil bent tail wheel strut Left Retract servo sits inverted ahead aileron servo Ailerons driven via brass music wire torque rods Right Radio installation Battery receiver between formers F7 F9 held place #64 rubberbands music wire hooks Rubberbands also use ful keeping wire harnesses neat place Antenna routed through plastic soda straw conduit glued formers inside fuselage Left B&D retracts shown require pretty much straight push-pull arrangement servo Appropriate ribs cut out lust enough clear wheels landing gear retracted position Wheel wells lined soft sheet balsa fuel-proofed Right Original stallation aK&B 35 shows homemade sheet brass muffler J-Tec in-cowl muffler should work just well plenty room 26 Model Aviation FOCKE-WULF Fw 190-A DESIGNED BY GARY BROWN - SQ 33 X j BALSA KEEL RLS1 1x 3/8 BALSA CLEAR BUThRRTE PY K I6 BALSA CRLJrCI4 - DIR TRILLHEEL - I6 BALSA STRINGERS BALSA SHEET % PLY SA SHEET COLL RINGS 2 iLUIflINUfl SPI NNER $6/ 5OFT BALSR 325DIA WHEEL S 46 BALSA SHEET 45QSPRUCE SPAR BALSA L3E-B - BALSA SHEET tE BRISR RIBS 4x CAPSTRIP N 16 BALSA SHEET TE 16 -A BALSABALSA SI4EE-TL E ING FOR COOLING316 SOCT LINE WITH 1/16F-6POI BALSA SHEET____ / LX 74 PLYWOOD FIR EWALL 1/2 BALSA 4 PESO / 1/2 BALSA ----4 HESS 2 S COWL RINGS I/2 BALSA COWL RINGS F-S 24 4 BALSAII H ROOD 3/R BALSA SHEET rRUDDER LEADING EDGE ENGINE IS 35 TU 45SC TWO CYCLE NO THRUSTBE OFFSETS 1/2 BALSA SHEET COWL RINGS 21/2 DIA SPINNER LU M INOM FROM ACBLEY METAL PROD 7476 RIDDEWAY SRFIL BUENA PARR CA 9G620OF NOTE LAGE MARKINGS ARE FROM JASDGESCHSRASAR 54 GRUN HERD 5/31 MUG FLOOR ROBS FROM F-ID TO F-IS- I/H COCKPIT RBALSA SHEET better ducting overheating condition eventually resolved Although BF-109 remained Ger manys principal fighter throughout World War II FW- 190 became important auxiliary Luftwaffes number tac tical multirole attack aircraft Over course war Wurger equipped wide range armament 79mm MG-17 machine gun 30mm cannons 1000-lb bombs Recognizing exploiting aircrafts versatility Na zis deployed fighter fighter bomber torpedo bomber reconnais sance plane ground support plane used both all-weather night fighter wingspan 34 ft 5 takeoff weight 8000 lb Wurger lighter smaller Allied aircraft contrast P-47D wing span 40 ft 9 weighed 13500 lb takeoff wingspan takeoff weight P-51D 37 ft 10000 lb respectively FW-190 obvi ously diminutive potent bird capable maneuvering best skies over Europe interest Wurger dates trip Smithsonians aircraft restoration Above Air exit duct cowling functional V2-in-dia hole provides access glow plug wing fillet rather small made easily microballoons epoxy Right radio com partment big enough just about system Wing saddles % plywood wing mounts -in plywood clearly visible 28 Model Aviation PS I/H NALSA SECTIONS NOTE GRAIN DIRECTION JL sticks stringers plane could almost pass Comet rubber-powered kit landing gear flying surfaces being fitted before covering painting ii 1/4 BALSA GREET FIN LEASING EDGE GREEN HEARTSI Basic sub-assemblies have completely sanded and made ready covering fuselage wing stab Note vertical fin constructed directly fuselage Full-Size Plans Available. See Page 184 NOTE ALL STRINGERS ARE 3/IHI/B HARD BALSA NOTCH FORMER /5 DEEP TO ALLOW 1116SF STRINGER F-Il_____ TO SHOW ABOVE FORMER- -y--I/IA SHEETING F-br/~ nr T --4 "~-I/1A PLYWOOGI/BBALSA [SHEET I/BBALSA SHEET9 F13 STRINGER LOCATIONS F-7 1/16 PLYWOOD /R BALSA SHEETAl/H BALSA SHEET / 3/VA PLYWOOD -- COWL AIR FLOW DUCT1/4 PLYWOOD APPRUG POSITION OFI/O BALSA U REGOr- -MOUNTSI/H BALSA - SHEET WINS DOWEL DO NOTS/AA PLY CROSSWING SADDLE DOUBLERDRILL UNTIL WINO ISSECTION E SIDE OF 0 READY TO MOUNTI/H PLYWOOJCOOLING DUCT FORI/1A BALSA SHEETING ENGINE N EGHAGGYBETWEEN STRINGERS I/A PLYWOOD3/64 PLYWOOD WING MOUNTS -~ WINDSHIELD E HEADREST 3/IA 3/B BALSA IsNI IF-IA F-17 --V- I-_ /16 BALSA STRIPS ABOUND --VA BALSA GUSSETS T COCKPITFOR FIN -FUSELAGE TOP VIEW3/IA I/A BALSA -CLEARlID BALSA SHEET F-bBUTYRATEHOLLOWEDLGB4INATE JOINTS F-Il CANOPYWITH 3/HA PY 0/64 PLY3/IA 3/B BALSA KEEL EDGE F-BF-BF-ID -- F-IS BATT AREA-IAABALSA - SHEET AIRRECEIVER AREAWRITE GREN tCTSERUOSN I FI5 I/B BALSA SHEET COCKPIT3/IA BALSA STIFFENER I/IA BALSA SHEET MOUNT BETWEEN F-N H F-IS ID REUDI 3/IA BALSAF-IA F-IT 3/IA BALSA SHEET 3/H RALSA N BADGER RIBS GASSETSS/IA 3/IA BOTH SIDESWHITE 93'BALSA 3/IA BALSA -, -- --%TYUYISTAB MOANT'- CSII ' 3/A PLY-BLACK STAB CUTOUT WINS SADDLE-2 0 INCIDENCE S/IA DIA DOWELWINS INCID OP"LAM NATE FROM TWO 3/lAPLY3W N l/D FECES -MOONTTO FIT WIDTH OF 7/B DIA TEMPORARY KEEL/4 PLYI/B 3/IA BALSA3/IA 3/B BALSATAILIAHEEL REMOVE AFTERWINO MUONTSSTRINGERSCRUTCH H KEEL STRINGER INSTALLSOFT RALSA3/3D BALSA FILL BLOCHBETWEEN STRINGERS FUSELAGE SIDE VIEW NOTE LASE IS SHEETED WITH I/IA BALSA FROM F-S TO F-B BOLT PINE BLOCKS FOR HANDLES I/IA 23Z2TW BRASS 030 BRASS - TuBE SHEET TAILIAHEEL MOANT 030 BOTYRATE SHEET/ MALE MOLD'-V/ OF CABOPY PINE IIiiVBLOCKYR RED BUILDAIEOAYIOPT ARiA WITH J/ZIDGEI2WARM MOLD N OVERt DALSKSHEETsIRCALSi IN PLACE3 HEAT BATYRATE SHEET AND CARVE TO SHAPE 4 WHEN SHEELOAREPALL IAIJflGY flETAIINWIAN SR BY S SILVER SOLDER SPECIFICATIONS WINS SPAN5B LENGTHWA ENGINE35 45 D CYCLE WEIGHTS 3D 5-I/D LBS WITH RETRACTSS CHANNELS 5I2045B SHEET IOFZ MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED B DRAWN BY GARY BROWN TRACING BY JOE DEMARCO ALL RIGHTS RESERVED facilities Silver Hill MD friend George Clapp process finaliz ing set superb three-views DH-4 Id traveled him assist taking measurements recently completed ex ample aircraft time several planes undergoing restoration Japanese Nakajima Irving twin engine night fighter early Northrop flying wing FW-190 fascinated small compact size Focke Wulf design always looks much larger photographs Taking time study aircraft intimately began ap preciate its clean functional lines care ful engineering decided begin collection material FW 190 both satisfy own interest basis recreating RC model doing purpose pro duce exact Scale replica suitable Nats competition lightweight semiscale de sign retracts would capable good performance 35 40 en gine Ive flown model weighs 5 lb old K&B 35 have since sub stituted HP 40 improved performLeft Authors canopy molded 030 clear butyrate sheet says works easily Follow directions plan practice several sheets until get good Right B&D 850 retract gear shown gear doors attachments Thin -in ply piece gear door bottom holds door curved shape match airfoil section wheels retracted photographs author July 1988 29 3/IA I/IA BALSA F-BSOFINEBSEF-S BALSA 4AR /IfJJBROS 3D5 DIASMOOTH CONTOUR ance Though finished markings particular aircraft does carry JAGDESCHWADER 54 GRUNHERZ signia green heart GRUNHERZ GESCHWADER emblem shield cowl Gruppen insig nia Photographs markings both FW- 190s BF- 109s quite common aircraft history books youve ever built Old-Timer sticktype model constructing Wurger shouldnt bring unwelcome surprises Before begin however study plans thoroughly acquaint yourself design Wing Build left right panels over plans gluing ribs R-4 through R-1 1 bottom front 14-in spar rear Wing structure basically semi-symmet rical airfoil four spars sheeted LE %z brass torque tube actuates ailerons NOTE RIBS ARE ALL Si 1/16 B 1/4 3/B BALSA WINS TIPS H-H R-N B-IS______________________________ RTI -FW BLACK~ WHIT SCRAPBALSA PILL AILERON I/S BALSATTPICAL SOSSETLOCATISE 16PLY DIHEDRALFLYINS S BHACESRINSES S STEEL P1 5/16 DOWELPOINTS -ThI 3/16 50 SPRUCE I/H SO SPRLCE-SPARS SPARS TRIM SOT FORR-2 SETRACS-F 1/161 1/ISBALSA SHEETING _ ---BALSA TE R-3 COT SOT FOSI/IH BALD RETR L ~SHEET R4 -N li R-5 76-U I/IS BALDA-R-6 SHEET --R7 CAP STRIP 3/BBALSAR-8 LEASING EDGEIJZ5/163/B BALSA -R-IO 1/16 BALSA SHEETR-II3A-in ones sure spar material ar row straight Plywood ribs R-4 R-5 may need modified accept retracts other used made B&D Glue top front rear spars Glue leading edge ribs R-3 R 11 trailing edge R- 1 R-7 Add trailing edge aileron spar re lated pieces detail refer cross section rib R-8 shown plans Join left right wing panels front rear plywood dihedral braces Once glue dry add center rib R 1 ribs 2 3 Finish general wing framing adding top center-section sheeting leading trailing edge pieces per plans Youre ready install retracts servos Work out retract locations operations establish retract servo location its linkage Determine set up aileron servo location same torque tube linkage operation works satisfactorily finish undone sheeting such top bottom leading edge Line wheel wells soft Il Tail surface group Note use Robart Hinge Points Balsa blocks glued spars give hinges area adhesion Tail surface leading edges rounded give sealed joint effect Tail wheel bracket cut sheet brass silver soldered joints 30 Model Aviation Full-Size Plans Available. See Page 164 BD MECHANICAL 85 RETR4CTS NOTE 1/16 BALSA TOP SHEETING1/16 PLY-WITH 3-I/H WILLIAMS BROs SMOOTh3/BBALSA SHEET NOT SI-IOWN FOR CLARITYLEADING EDGE BHO R-5 [v32][b-1-10-1-10]]SO SO B-IS -1 TY~J EROS 7S 505 PLY DIHEDRAL3/16 50STRIPS 1/6 BALSABRACE WEBS- V ERT BAOOI S rT- SPOT SLOE SM/ ANTOPVIEWDOWEL 10 RETAIN/16 BALSA VIRBALSA TOD TORQUE ROD -SERT IDRAIN -- -Th-WY TI Ii-[YS/IC SRAR SURE EILERON TORQUE TUBES'- 2SBYJRESlICE BUSHINGSSPASER V iEE DETAIL /16 PLY T ECENTER SOLIDBALSA WESOESIIIIE~ -" SECTION-BOTTOM ONLYTO PRESET CRUOHIBA VERTICAL GRAIN t/L3BESSO SORNBE 3/36AC BAING SADDLE B FILLET BASE VR PLY REARTOREURSOBRASS 5/52 GA BRASS DIHEDRAL BRACEIL B N TSR UEPRIIS NOB AlL3/64 PLY S REQUIRED -TOPSPARTOPOPAR H-RBH-SRIORI hOER SOIXWR-OH-SH-AH-H 0/52 016- ' OMRETRACT V4SO SPRUcE FRONT VIEW WING S IA TOP 8HCPLYROOODIHEDRAL EACH LS PLY FRONTI NOT OHS NI/B BALSA DIHEDRAL BRACE ZL#L#roP--79 REAR NMO TS I/H PLYWOOD 2 REQUIRED HR-O TOP MAIB SPAR BOTTOM MAN SPAR V16 PLYWOOD 3/A PLYWOOD RETRACT MOUNT MOUNTINGBlURT WING LOCATIONS- HOLLOW OUT 1/16 PLYSLIGHTLY FOB4S.3/16 PLYWOOD LA SOOR-LG STRUT I/B PLY STIFFENERLEFT OSRUE FOR AIRFOI SRCUT GUT I1A-4L3/I6• PLY LO BOOR CURSED_ TO CONFORM WITH WING BOTTOMNOTE OTHER RETRACT SYSTEMS WILL WHEEL DOORS_____________________ ii VIFw RESGIRE DIFFERENT CUT OUTS ON MOUNTS LG MOUNTS CROSS SECTION3/16 PLY3/DD BALSA TYPICALHORN MORNS TOP BALSAI/B M WSTRIP HINGE LOCATIONI/BBAD BOTTOM SUB RIBS 3/16 3/B BALSA TRAILING EDGE WING LE 3/3D BALSA SHEET I/A A SHEET TIP SIt3B5B SHEET 2 OF 2 MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED S DRAWN BY GARY BROWN ITRACING BY JOE DEMARCO ICI tIltEllS rRPDMrfl 1/16 BALSA SHEET T F OR ATTACHMENT DETAIL 3/32 PLY DIHEDRAL BRACE ---5 9/B oS/B BALSA SPAR yE BALSA SHEET ALERON YE /16 balsa keep dirt oil wing interior Install leading edge wing dowel after covering wing Fuselage Begin assembling /16 x %-in horizontal crutch over plans Cut out formers F-S through F-16 Spot glue six seven balsa scraps across frame hold its shape add form ers sure cut notches plywood formers F-6 F-7 before gluing crutch Glue first last former dry glue remaining formers removing balsa scraps proceed Add top bottom /16 x 3A-in balsa keels Glue /16 cockpit sheeting F-9 F-b F-13 along wing saddles Determine Stringer locations using pins rubberbands secure left right top bottom stringer groups formers Once arranged sym Continued page 126 Bottom side above top side right wing center section 3A ply frame mounts retractable landing gear between two 1As ply ribs Dihedral braces 1A-ln ply BUpport center section July 1988 31 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. P-39 IRA COBRA 55 SPAN. P-51D MUSTANG 54 SPAN C202 FOLGORE 55.. FOCKE WULF 19054 SPAN. WAR II FIGHTER SERIES PHONE 815-459-0417 SHORT KI1S FICWDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED respondl.g advertisers mention read about ModelAviation WANNA RACE LtflDTUAQT AnA BEGINNER RACES r 0-500 -i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 611 528-4043 203 613-2000 beef up structure would add excess weight degrade performance Setup flying youve kept weight down FW-190 will fly very well no bad habits Takeoffs quite straight absolutely no ground looping bit corrective right rudder needed sus pect wide-spaced mains largely re sponsible its good manners ground model will rise-off-ground ROG reaches flying speed eleva tor input Once clears ground little elevator healthy 40 will give good climbout Landings easy man age also Drop gear practice ap proaches gradually slowing accepta ble landing speed Use rudder keep straight slows approach Youll find airplane will slow down nicely out threatening stall first flights followed conven tional practice pairing 10 x 6 prop 40 engine experimentation quickly taught other prop sizes work better model 12 x 4 Zinger seems give best pull 11 x 6 seems bet ter speed moral Experiment different prop diameters pitches aircraft its clean lines easygoing flying disposition FW-190 makes good choice workbench next building season too demanding build very satisfying flying field Radio Technique/Myers Continued page 33 Im ask 2-6 mixer puts flaps opposite elevator like Ukie Stunt model flaps elevator cant imagine youd want flaps going same way elevator unless take care some installation peculiarity reversing switches channels seems redundant 6-2 mixer puts neutral offset el evator channel whether flaps low ered Again strange use elevator trim flaps like trim proportional flap setting Mr Lanterman told mix ers will different soon servo construction looks pretty durable featuring 0-ring-sealed case brass-on-steel bearings critical locations splined shafts output wheels convenient size should adequate planes engines up 60 size though might too big narrrow-fuselage Sailplane like Sagitta realize getting narrowband FM seven-channel system mixing/reversing features four servos Ni-Cds neck strap charger about $165 retail think wont have much excuse hanging onto old set keep trying convert $10 Look way isnt cost radio thats important its cost repairs after crash Hinges/Michaelis Continued page 36 want free stretch Photo 10 tweezers used poke pull hinges through aileron slots Photo 11 / ply strip used ap ply wax just behind slot avoid un wanted bonding Photo 12 moment truth Zap ap plied skin loose hinge end wrapped up against waxed stick under slight tension poised quickly jam down until glue fires much tension case about / right Use sharp blade remove excess hinge material Ap ply bit Zap needed until least bonded Photo 13 aileron spread scraps along hinge line bot tom can accurately positioned glued Photo 14 Depending care mak ing good butt fit hinge line can ex tremely fine Photo 15 shows flap installation Because hinges low such ar rangement full down deflection imparts negligible tension Up flap adds little tension hinges installed sufficient allowance stretch ef fect nominal Photo 16 just include JM Glascraft P-s ls like Penetrator used tip ailerons rubber hinges 128 Model Aviation CENTURY SYSTEMS OZ QUALITY PRODUCTS FROM DOWN UNDER Features snga 04 backup nafety equipment fur RIC modem Helicopter Gyro Fixed Wing Gyro Battery Cyciar Battery Checker Lost Modet Atarm Battery Backer 4 Channai Failsafe 2 Channel Mixer Muiti Charger Field Home Charger Electronic Switch Electronic Speed Control Thermal Cut-Oft Charger Send 01 postage free catalog PO BOx 4085 Costa Mesa Ca 02826 Phone 714 082-2480 DEALERS INOUIRIES WELCOME ZMA Name Street Address City StateZip HOWW BB INTERNATIONAL INC
Edition: Model Aviation - 1988/07
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 126, 128
NO OCR TEXT NO OCR TEXT model also full-size FW-1 90 handles easily ground Takeoffs exhibit no tendency ground loop tad right rudder needed keep rolling straight 190 airplane nicknamed Wurger German Butcher Bird designed around twin-row 14cylinder BMW-139 air-cooled radial en gme first prototype FW-190 VI large ducted spinner same diameter cowling system failed provide adequate cooling just beginning overheating problems plague early Focke-Wulfs fitting subse quent versions powerful BMW-801 twin-row radial conven tional spinner 12-bladed cooling fan right landing gear shown downand-locked position Pushrod Ae music wire makes straight run servo simple gear door fasteners have given no problem Williams Bros 3-in wheels thin enough fit easily wing Tall wheel mount silver soldered sheet brass screwed 3/i ply glued fuselags structure Steering via link rud der horn easier using rudder itself modelworks just well Note single coil bent tail wheel strut Left Retract servo sits inverted ahead aileron servo Ailerons driven via brass music wire torque rods Right Radio installation Battery receiver between formers F7 F9 held place #64 rubberbands music wire hooks Rubberbands also use ful keeping wire harnesses neat place Antenna routed through plastic soda straw conduit glued formers inside fuselage Left B&D retracts shown require pretty much straight push-pull arrangement servo Appropriate ribs cut out lust enough clear wheels landing gear retracted position Wheel wells lined soft sheet balsa fuel-proofed Right Original stallation aK&B 35 shows homemade sheet brass muffler J-Tec in-cowl muffler should work just well plenty room 26 Model Aviation FOCKE-WULF Fw 190-A DESIGNED BY GARY BROWN - SQ 33 X j BALSA KEEL RLS1 1x 3/8 BALSA CLEAR BUThRRTE PY K I6 BALSA CRLJrCI4 - DIR TRILLHEEL - I6 BALSA STRINGERS BALSA SHEET % PLY SA SHEET COLL RINGS 2 iLUIflINUfl SPI NNER $6/ 5OFT BALSR 325DIA WHEEL S 46 BALSA SHEET 45QSPRUCE SPAR BALSA L3E-B - BALSA SHEET tE BRISR RIBS 4x CAPSTRIP N 16 BALSA SHEET TE 16 -A BALSABALSA SI4EE-TL E ING FOR COOLING316 SOCT LINE WITH 1/16F-6POI BALSA SHEET____ / LX 74 PLYWOOD FIR EWALL 1/2 BALSA 4 PESO / 1/2 BALSA ----4 HESS 2 S COWL RINGS I/2 BALSA COWL RINGS F-S 24 4 BALSAII H ROOD 3/R BALSA SHEET rRUDDER LEADING EDGE ENGINE IS 35 TU 45SC TWO CYCLE NO THRUSTBE OFFSETS 1/2 BALSA SHEET COWL RINGS 21/2 DIA SPINNER LU M INOM FROM ACBLEY METAL PROD 7476 RIDDEWAY SRFIL BUENA PARR CA 9G620OF NOTE LAGE MARKINGS ARE FROM JASDGESCHSRASAR 54 GRUN HERD 5/31 MUG FLOOR ROBS FROM F-ID TO F-IS- I/H COCKPIT RBALSA SHEET better ducting overheating condition eventually resolved Although BF-109 remained Ger manys principal fighter throughout World War II FW- 190 became important auxiliary Luftwaffes number tac tical multirole attack aircraft Over course war Wurger equipped wide range armament 79mm MG-17 machine gun 30mm cannons 1000-lb bombs Recognizing exploiting aircrafts versatility Na zis deployed fighter fighter bomber torpedo bomber reconnais sance plane ground support plane used both all-weather night fighter wingspan 34 ft 5 takeoff weight 8000 lb Wurger lighter smaller Allied aircraft contrast P-47D wing span 40 ft 9 weighed 13500 lb takeoff wingspan takeoff weight P-51D 37 ft 10000 lb respectively FW-190 obvi ously diminutive potent bird capable maneuvering best skies over Europe interest Wurger dates trip Smithsonians aircraft restoration Above Air exit duct cowling functional V2-in-dia hole provides access glow plug wing fillet rather small made easily microballoons epoxy Right radio com partment big enough just about system Wing saddles % plywood wing mounts -in plywood clearly visible 28 Model Aviation PS I/H NALSA SECTIONS NOTE GRAIN DIRECTION JL sticks stringers plane could almost pass Comet rubber-powered kit landing gear flying surfaces being fitted before covering painting ii 1/4 BALSA GREET FIN LEASING EDGE GREEN HEARTSI Basic sub-assemblies have completely sanded and made ready covering fuselage wing stab Note vertical fin constructed directly fuselage Full-Size Plans Available. See Page 184 NOTE ALL STRINGERS ARE 3/IHI/B HARD BALSA NOTCH FORMER /5 DEEP TO ALLOW 1116SF STRINGER F-Il_____ TO SHOW ABOVE FORMER- -y--I/IA SHEETING F-br/~ nr T --4 "~-I/1A PLYWOOGI/BBALSA [SHEET I/BBALSA SHEET9 F13 STRINGER LOCATIONS F-7 1/16 PLYWOOD /R BALSA SHEETAl/H BALSA SHEET / 3/VA PLYWOOD -- COWL AIR FLOW DUCT1/4 PLYWOOD APPRUG POSITION OFI/O BALSA U REGOr- -MOUNTSI/H BALSA - SHEET WINS DOWEL DO NOTS/AA PLY CROSSWING SADDLE DOUBLERDRILL UNTIL WINO ISSECTION E SIDE OF 0 READY TO MOUNTI/H PLYWOOJCOOLING DUCT FORI/1A BALSA SHEETING ENGINE N EGHAGGYBETWEEN STRINGERS I/A PLYWOOD3/64 PLYWOOD WING MOUNTS -~ WINDSHIELD E HEADREST 3/IA 3/B BALSA IsNI IF-IA F-17 --V- I-_ /16 BALSA STRIPS ABOUND --VA BALSA GUSSETS T COCKPITFOR FIN -FUSELAGE TOP VIEW3/IA I/A BALSA -CLEARlID BALSA SHEET F-bBUTYRATEHOLLOWEDLGB4INATE JOINTS F-Il CANOPYWITH 3/HA PY 0/64 PLY3/IA 3/B BALSA KEEL EDGE F-BF-BF-ID -- F-IS BATT AREA-IAABALSA - SHEET AIRRECEIVER AREAWRITE GREN tCTSERUOSN I FI5 I/B BALSA SHEET COCKPIT3/IA BALSA STIFFENER I/IA BALSA SHEET MOUNT BETWEEN F-N H F-IS ID REUDI 3/IA BALSAF-IA F-IT 3/IA BALSA SHEET 3/H RALSA N BADGER RIBS GASSETSS/IA 3/IA BOTH SIDESWHITE 93'BALSA 3/IA BALSA -, -- --%TYUYISTAB MOANT'- CSII ' 3/A PLY-BLACK STAB CUTOUT WINS SADDLE-2 0 INCIDENCE S/IA DIA DOWELWINS INCID OP"LAM NATE FROM TWO 3/lAPLY3W N l/D FECES -MOONTTO FIT WIDTH OF 7/B DIA TEMPORARY KEEL/4 PLYI/B 3/IA BALSA3/IA 3/B BALSATAILIAHEEL REMOVE AFTERWINO MUONTSSTRINGERSCRUTCH H KEEL STRINGER INSTALLSOFT RALSA3/3D BALSA FILL BLOCHBETWEEN STRINGERS FUSELAGE SIDE VIEW NOTE LASE IS SHEETED WITH I/IA BALSA FROM F-S TO F-B BOLT PINE BLOCKS FOR HANDLES I/IA 23Z2TW BRASS 030 BRASS - TuBE SHEET TAILIAHEEL MOANT 030 BOTYRATE SHEET/ MALE MOLD'-V/ OF CABOPY PINE IIiiVBLOCKYR RED BUILDAIEOAYIOPT ARiA WITH J/ZIDGEI2WARM MOLD N OVERt DALSKSHEETsIRCALSi IN PLACE3 HEAT BATYRATE SHEET AND CARVE TO SHAPE 4 WHEN SHEELOAREPALL IAIJflGY flETAIINWIAN SR BY S SILVER SOLDER SPECIFICATIONS WINS SPAN5B LENGTHWA ENGINE35 45 D CYCLE WEIGHTS 3D 5-I/D LBS WITH RETRACTSS CHANNELS 5I2045B SHEET IOFZ MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED B DRAWN BY GARY BROWN TRACING BY JOE DEMARCO ALL RIGHTS RESERVED facilities Silver Hill MD friend George Clapp process finaliz ing set superb three-views DH-4 Id traveled him assist taking measurements recently completed ex ample aircraft time several planes undergoing restoration Japanese Nakajima Irving twin engine night fighter early Northrop flying wing FW-190 fascinated small compact size Focke Wulf design always looks much larger photographs Taking time study aircraft intimately began ap preciate its clean functional lines care ful engineering decided begin collection material FW 190 both satisfy own interest basis recreating RC model doing purpose pro duce exact Scale replica suitable Nats competition lightweight semiscale de sign retracts would capable good performance 35 40 en gine Ive flown model weighs 5 lb old K&B 35 have since sub stituted HP 40 improved performLeft Authors canopy molded 030 clear butyrate sheet says works easily Follow directions plan practice several sheets until get good Right B&D 850 retract gear shown gear doors attachments Thin -in ply piece gear door bottom holds door curved shape match airfoil section wheels retracted photographs author July 1988 29 3/IA I/IA BALSA F-BSOFINEBSEF-S BALSA 4AR /IfJJBROS 3D5 DIASMOOTH CONTOUR ance Though finished markings particular aircraft does carry JAGDESCHWADER 54 GRUNHERZ signia green heart GRUNHERZ GESCHWADER emblem shield cowl Gruppen insig nia Photographs markings both FW- 190s BF- 109s quite common aircraft history books youve ever built Old-Timer sticktype model constructing Wurger shouldnt bring unwelcome surprises Before begin however study plans thoroughly acquaint yourself design Wing Build left right panels over plans gluing ribs R-4 through R-1 1 bottom front 14-in spar rear Wing structure basically semi-symmet rical airfoil four spars sheeted LE %z brass torque tube actuates ailerons NOTE RIBS ARE ALL Si 1/16 B 1/4 3/B BALSA WINS TIPS H-H R-N B-IS______________________________ RTI -FW BLACK~ WHIT SCRAPBALSA PILL AILERON I/S BALSATTPICAL SOSSETLOCATISE 16PLY DIHEDRALFLYINS S BHACESRINSES S STEEL P1 5/16 DOWELPOINTS -ThI 3/16 50 SPRUCE I/H SO SPRLCE-SPARS SPARS TRIM SOT FORR-2 SETRACS-F 1/161 1/ISBALSA SHEETING _ ---BALSA TE R-3 COT SOT FOSI/IH BALD RETR L ~SHEET R4 -N li R-5 76-U I/IS BALDA-R-6 SHEET --R7 CAP STRIP 3/BBALSAR-8 LEASING EDGEIJZ5/163/B BALSA -R-IO 1/16 BALSA SHEETR-II3A-in ones sure spar material ar row straight Plywood ribs R-4 R-5 may need modified accept retracts other used made B&D Glue top front rear spars Glue leading edge ribs R-3 R 11 trailing edge R- 1 R-7 Add trailing edge aileron spar re lated pieces detail refer cross section rib R-8 shown plans Join left right wing panels front rear plywood dihedral braces Once glue dry add center rib R 1 ribs 2 3 Finish general wing framing adding top center-section sheeting leading trailing edge pieces per plans Youre ready install retracts servos Work out retract locations operations establish retract servo location its linkage Determine set up aileron servo location same torque tube linkage operation works satisfactorily finish undone sheeting such top bottom leading edge Line wheel wells soft Il Tail surface group Note use Robart Hinge Points Balsa blocks glued spars give hinges area adhesion Tail surface leading edges rounded give sealed joint effect Tail wheel bracket cut sheet brass silver soldered joints 30 Model Aviation Full-Size Plans Available. See Page 164 BD MECHANICAL 85 RETR4CTS NOTE 1/16 BALSA TOP SHEETING1/16 PLY-WITH 3-I/H WILLIAMS BROs SMOOTh3/BBALSA SHEET NOT SI-IOWN FOR CLARITYLEADING EDGE BHO R-5 [v32][b-1-10-1-10]]SO SO B-IS -1 TY~J EROS 7S 505 PLY DIHEDRAL3/16 50STRIPS 1/6 BALSABRACE WEBS- V ERT BAOOI S rT- SPOT SLOE SM/ ANTOPVIEWDOWEL 10 RETAIN/16 BALSA VIRBALSA TOD TORQUE ROD -SERT IDRAIN -- -Th-WY TI Ii-[YS/IC SRAR SURE EILERON TORQUE TUBES'- 2SBYJRESlICE BUSHINGSSPASER V iEE DETAIL /16 PLY T ECENTER SOLIDBALSA WESOESIIIIE~ -" SECTION-BOTTOM ONLYTO PRESET CRUOHIBA VERTICAL GRAIN t/L3BESSO SORNBE 3/36AC BAING SADDLE B FILLET BASE VR PLY REARTOREURSOBRASS 5/52 GA BRASS DIHEDRAL BRACEIL B N TSR UEPRIIS NOB AlL3/64 PLY S REQUIRED -TOPSPARTOPOPAR H-RBH-SRIORI hOER SOIXWR-OH-SH-AH-H 0/52 016- ' OMRETRACT V4SO SPRUcE FRONT VIEW WING S IA TOP 8HCPLYROOODIHEDRAL EACH LS PLY FRONTI NOT OHS NI/B BALSA DIHEDRAL BRACE ZL#L#roP--79 REAR NMO TS I/H PLYWOOD 2 REQUIRED HR-O TOP MAIB SPAR BOTTOM MAN SPAR V16 PLYWOOD 3/A PLYWOOD RETRACT MOUNT MOUNTINGBlURT WING LOCATIONS- HOLLOW OUT 1/16 PLYSLIGHTLY FOB4S.3/16 PLYWOOD LA SOOR-LG STRUT I/B PLY STIFFENERLEFT OSRUE FOR AIRFOI SRCUT GUT I1A-4L3/I6• PLY LO BOOR CURSED_ TO CONFORM WITH WING BOTTOMNOTE OTHER RETRACT SYSTEMS WILL WHEEL DOORS_____________________ ii VIFw RESGIRE DIFFERENT CUT OUTS ON MOUNTS LG MOUNTS CROSS SECTION3/16 PLY3/DD BALSA TYPICALHORN MORNS TOP BALSAI/B M WSTRIP HINGE LOCATIONI/BBAD BOTTOM SUB RIBS 3/16 3/B BALSA TRAILING EDGE WING LE 3/3D BALSA SHEET I/A A SHEET TIP SIt3B5B SHEET 2 OF 2 MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED S DRAWN BY GARY BROWN ITRACING BY JOE DEMARCO ICI tIltEllS rRPDMrfl 1/16 BALSA SHEET T F OR ATTACHMENT DETAIL 3/32 PLY DIHEDRAL BRACE ---5 9/B oS/B BALSA SPAR yE BALSA SHEET ALERON YE /16 balsa keep dirt oil wing interior Install leading edge wing dowel after covering wing Fuselage Begin assembling /16 x %-in horizontal crutch over plans Cut out formers F-S through F-16 Spot glue six seven balsa scraps across frame hold its shape add form ers sure cut notches plywood formers F-6 F-7 before gluing crutch Glue first last former dry glue remaining formers removing balsa scraps proceed Add top bottom /16 x 3A-in balsa keels Glue /16 cockpit sheeting F-9 F-b F-13 along wing saddles Determine Stringer locations using pins rubberbands secure left right top bottom stringer groups formers Once arranged sym Continued page 126 Bottom side above top side right wing center section 3A ply frame mounts retractable landing gear between two 1As ply ribs Dihedral braces 1A-ln ply BUpport center section July 1988 31 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. P-39 IRA COBRA 55 SPAN. P-51D MUSTANG 54 SPAN C202 FOLGORE 55.. FOCKE WULF 19054 SPAN. WAR II FIGHTER SERIES PHONE 815-459-0417 SHORT KI1S FICWDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED respondl.g advertisers mention read about ModelAviation WANNA RACE LtflDTUAQT AnA BEGINNER RACES r 0-500 -i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 611 528-4043 203 613-2000 beef up structure would add excess weight degrade performance Setup flying youve kept weight down FW-190 will fly very well no bad habits Takeoffs quite straight absolutely no ground looping bit corrective right rudder needed sus pect wide-spaced mains largely re sponsible its good manners ground model will rise-off-ground ROG reaches flying speed eleva tor input Once clears ground little elevator healthy 40 will give good climbout Landings easy man age also Drop gear practice ap proaches gradually slowing accepta ble landing speed Use rudder keep straight slows approach Youll find airplane will slow down nicely out threatening stall first flights followed conven tional practice pairing 10 x 6 prop 40 engine experimentation quickly taught other prop sizes work better model 12 x 4 Zinger seems give best pull 11 x 6 seems bet ter speed moral Experiment different prop diameters pitches aircraft its clean lines easygoing flying disposition FW-190 makes good choice workbench next building season too demanding build very satisfying flying field Radio Technique/Myers Continued page 33 Im ask 2-6 mixer puts flaps opposite elevator like Ukie Stunt model flaps elevator cant imagine youd want flaps going same way elevator unless take care some installation peculiarity reversing switches channels seems redundant 6-2 mixer puts neutral offset el evator channel whether flaps low ered Again strange use elevator trim flaps like trim proportional flap setting Mr Lanterman told mix ers will different soon servo construction looks pretty durable featuring 0-ring-sealed case brass-on-steel bearings critical locations splined shafts output wheels convenient size should adequate planes engines up 60 size though might too big narrrow-fuselage Sailplane like Sagitta realize getting narrowband FM seven-channel system mixing/reversing features four servos Ni-Cds neck strap charger about $165 retail think wont have much excuse hanging onto old set keep trying convert $10 Look way isnt cost radio thats important its cost repairs after crash Hinges/Michaelis Continued page 36 want free stretch Photo 10 tweezers used poke pull hinges through aileron slots Photo 11 / ply strip used ap ply wax just behind slot avoid un wanted bonding Photo 12 moment truth Zap ap plied skin loose hinge end wrapped up against waxed stick under slight tension poised quickly jam down until glue fires much tension case about / right Use sharp blade remove excess hinge material Ap ply bit Zap needed until least bonded Photo 13 aileron spread scraps along hinge line bot tom can accurately positioned glued Photo 14 Depending care mak ing good butt fit hinge line can ex tremely fine Photo 15 shows flap installation Because hinges low such ar rangement full down deflection imparts negligible tension Up flap adds little tension hinges installed sufficient allowance stretch ef fect nominal Photo 16 just include JM Glascraft P-s ls like Penetrator used tip ailerons rubber hinges 128 Model Aviation CENTURY SYSTEMS OZ QUALITY PRODUCTS FROM DOWN UNDER Features snga 04 backup nafety equipment fur RIC modem Helicopter Gyro Fixed Wing Gyro Battery Cyciar Battery Checker Lost Modet Atarm Battery Backer 4 Channai Failsafe 2 Channel Mixer Muiti Charger Field Home Charger Electronic Switch Electronic Speed Control Thermal Cut-Oft Charger Send 01 postage free catalog PO BOx 4085 Costa Mesa Ca 02826 Phone 714 082-2480 DEALERS INOUIRIES WELCOME ZMA Name Street Address City StateZip HOWW BB INTERNATIONAL INC
Edition: Model Aviation - 1988/07
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 126, 128
NO OCR TEXT NO OCR TEXT model also full-size FW-1 90 handles easily ground Takeoffs exhibit no tendency ground loop tad right rudder needed keep rolling straight 190 airplane nicknamed Wurger German Butcher Bird designed around twin-row 14cylinder BMW-139 air-cooled radial en gme first prototype FW-190 VI large ducted spinner same diameter cowling system failed provide adequate cooling just beginning overheating problems plague early Focke-Wulfs fitting subse quent versions powerful BMW-801 twin-row radial conven tional spinner 12-bladed cooling fan right landing gear shown downand-locked position Pushrod Ae music wire makes straight run servo simple gear door fasteners have given no problem Williams Bros 3-in wheels thin enough fit easily wing Tall wheel mount silver soldered sheet brass screwed 3/i ply glued fuselags structure Steering via link rud der horn easier using rudder itself modelworks just well Note single coil bent tail wheel strut Left Retract servo sits inverted ahead aileron servo Ailerons driven via brass music wire torque rods Right Radio installation Battery receiver between formers F7 F9 held place #64 rubberbands music wire hooks Rubberbands also use ful keeping wire harnesses neat place Antenna routed through plastic soda straw conduit glued formers inside fuselage Left B&D retracts shown require pretty much straight push-pull arrangement servo Appropriate ribs cut out lust enough clear wheels landing gear retracted position Wheel wells lined soft sheet balsa fuel-proofed Right Original stallation aK&B 35 shows homemade sheet brass muffler J-Tec in-cowl muffler should work just well plenty room 26 Model Aviation FOCKE-WULF Fw 190-A DESIGNED BY GARY BROWN - SQ 33 X j BALSA KEEL RLS1 1x 3/8 BALSA CLEAR BUThRRTE PY K I6 BALSA CRLJrCI4 - DIR TRILLHEEL - I6 BALSA STRINGERS BALSA SHEET % PLY SA SHEET COLL RINGS 2 iLUIflINUfl SPI NNER $6/ 5OFT BALSR 325DIA WHEEL S 46 BALSA SHEET 45QSPRUCE SPAR BALSA L3E-B - BALSA SHEET tE BRISR RIBS 4x CAPSTRIP N 16 BALSA SHEET TE 16 -A BALSABALSA SI4EE-TL E ING FOR COOLING316 SOCT LINE WITH 1/16F-6POI BALSA SHEET____ / LX 74 PLYWOOD FIR EWALL 1/2 BALSA 4 PESO / 1/2 BALSA ----4 HESS 2 S COWL RINGS I/2 BALSA COWL RINGS F-S 24 4 BALSAII H ROOD 3/R BALSA SHEET rRUDDER LEADING EDGE ENGINE IS 35 TU 45SC TWO CYCLE NO THRUSTBE OFFSETS 1/2 BALSA SHEET COWL RINGS 21/2 DIA SPINNER LU M INOM FROM ACBLEY METAL PROD 7476 RIDDEWAY SRFIL BUENA PARR CA 9G620OF NOTE LAGE MARKINGS ARE FROM JASDGESCHSRASAR 54 GRUN HERD 5/31 MUG FLOOR ROBS FROM F-ID TO F-IS- I/H COCKPIT RBALSA SHEET better ducting overheating condition eventually resolved Although BF-109 remained Ger manys principal fighter throughout World War II FW- 190 became important auxiliary Luftwaffes number tac tical multirole attack aircraft Over course war Wurger equipped wide range armament 79mm MG-17 machine gun 30mm cannons 1000-lb bombs Recognizing exploiting aircrafts versatility Na zis deployed fighter fighter bomber torpedo bomber reconnais sance plane ground support plane used both all-weather night fighter wingspan 34 ft 5 takeoff weight 8000 lb Wurger lighter smaller Allied aircraft contrast P-47D wing span 40 ft 9 weighed 13500 lb takeoff wingspan takeoff weight P-51D 37 ft 10000 lb respectively FW-190 obvi ously diminutive potent bird capable maneuvering best skies over Europe interest Wurger dates trip Smithsonians aircraft restoration Above Air exit duct cowling functional V2-in-dia hole provides access glow plug wing fillet rather small made easily microballoons epoxy Right radio com partment big enough just about system Wing saddles % plywood wing mounts -in plywood clearly visible 28 Model Aviation PS I/H NALSA SECTIONS NOTE GRAIN DIRECTION JL sticks stringers plane could almost pass Comet rubber-powered kit landing gear flying surfaces being fitted before covering painting ii 1/4 BALSA GREET FIN LEASING EDGE GREEN HEARTSI Basic sub-assemblies have completely sanded and made ready covering fuselage wing stab Note vertical fin constructed directly fuselage Full-Size Plans Available. See Page 184 NOTE ALL STRINGERS ARE 3/IHI/B HARD BALSA NOTCH FORMER /5 DEEP TO ALLOW 1116SF STRINGER F-Il_____ TO SHOW ABOVE FORMER- -y--I/IA SHEETING F-br/~ nr T --4 "~-I/1A PLYWOOGI/BBALSA [SHEET I/BBALSA SHEET9 F13 STRINGER LOCATIONS F-7 1/16 PLYWOOD /R BALSA SHEETAl/H BALSA SHEET / 3/VA PLYWOOD -- COWL AIR FLOW DUCT1/4 PLYWOOD APPRUG POSITION OFI/O BALSA U REGOr- -MOUNTSI/H BALSA - SHEET WINS DOWEL DO NOTS/AA PLY CROSSWING SADDLE DOUBLERDRILL UNTIL WINO ISSECTION E SIDE OF 0 READY TO MOUNTI/H PLYWOOJCOOLING DUCT FORI/1A BALSA SHEETING ENGINE N EGHAGGYBETWEEN STRINGERS I/A PLYWOOD3/64 PLYWOOD WING MOUNTS -~ WINDSHIELD E HEADREST 3/IA 3/B BALSA IsNI IF-IA F-17 --V- I-_ /16 BALSA STRIPS ABOUND --VA BALSA GUSSETS T COCKPITFOR FIN -FUSELAGE TOP VIEW3/IA I/A BALSA -CLEARlID BALSA SHEET F-bBUTYRATEHOLLOWEDLGB4INATE JOINTS F-Il CANOPYWITH 3/HA PY 0/64 PLY3/IA 3/B BALSA KEEL EDGE F-BF-BF-ID -- F-IS BATT AREA-IAABALSA - SHEET AIRRECEIVER AREAWRITE GREN tCTSERUOSN I FI5 I/B BALSA SHEET COCKPIT3/IA BALSA STIFFENER I/IA BALSA SHEET MOUNT BETWEEN F-N H F-IS ID REUDI 3/IA BALSAF-IA F-IT 3/IA BALSA SHEET 3/H RALSA N BADGER RIBS GASSETSS/IA 3/IA BOTH SIDESWHITE 93'BALSA 3/IA BALSA -, -- --%TYUYISTAB MOANT'- CSII ' 3/A PLY-BLACK STAB CUTOUT WINS SADDLE-2 0 INCIDENCE S/IA DIA DOWELWINS INCID OP"LAM NATE FROM TWO 3/lAPLY3W N l/D FECES -MOONTTO FIT WIDTH OF 7/B DIA TEMPORARY KEEL/4 PLYI/B 3/IA BALSA3/IA 3/B BALSATAILIAHEEL REMOVE AFTERWINO MUONTSSTRINGERSCRUTCH H KEEL STRINGER INSTALLSOFT RALSA3/3D BALSA FILL BLOCHBETWEEN STRINGERS FUSELAGE SIDE VIEW NOTE LASE IS SHEETED WITH I/IA BALSA FROM F-S TO F-B BOLT PINE BLOCKS FOR HANDLES I/IA 23Z2TW BRASS 030 BRASS - TuBE SHEET TAILIAHEEL MOANT 030 BOTYRATE SHEET/ MALE MOLD'-V/ OF CABOPY PINE IIiiVBLOCKYR RED BUILDAIEOAYIOPT ARiA WITH J/ZIDGEI2WARM MOLD N OVERt DALSKSHEETsIRCALSi IN PLACE3 HEAT BATYRATE SHEET AND CARVE TO SHAPE 4 WHEN SHEELOAREPALL IAIJflGY flETAIINWIAN SR BY S SILVER SOLDER SPECIFICATIONS WINS SPAN5B LENGTHWA ENGINE35 45 D CYCLE WEIGHTS 3D 5-I/D LBS WITH RETRACTSS CHANNELS 5I2045B SHEET IOFZ MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED B DRAWN BY GARY BROWN TRACING BY JOE DEMARCO ALL RIGHTS RESERVED facilities Silver Hill MD friend George Clapp process finaliz ing set superb three-views DH-4 Id traveled him assist taking measurements recently completed ex ample aircraft time several planes undergoing restoration Japanese Nakajima Irving twin engine night fighter early Northrop flying wing FW-190 fascinated small compact size Focke Wulf design always looks much larger photographs Taking time study aircraft intimately began ap preciate its clean functional lines care ful engineering decided begin collection material FW 190 both satisfy own interest basis recreating RC model doing purpose pro duce exact Scale replica suitable Nats competition lightweight semiscale de sign retracts would capable good performance 35 40 en gine Ive flown model weighs 5 lb old K&B 35 have since sub stituted HP 40 improved performLeft Authors canopy molded 030 clear butyrate sheet says works easily Follow directions plan practice several sheets until get good Right B&D 850 retract gear shown gear doors attachments Thin -in ply piece gear door bottom holds door curved shape match airfoil section wheels retracted photographs author July 1988 29 3/IA I/IA BALSA F-BSOFINEBSEF-S BALSA 4AR /IfJJBROS 3D5 DIASMOOTH CONTOUR ance Though finished markings particular aircraft does carry JAGDESCHWADER 54 GRUNHERZ signia green heart GRUNHERZ GESCHWADER emblem shield cowl Gruppen insig nia Photographs markings both FW- 190s BF- 109s quite common aircraft history books youve ever built Old-Timer sticktype model constructing Wurger shouldnt bring unwelcome surprises Before begin however study plans thoroughly acquaint yourself design Wing Build left right panels over plans gluing ribs R-4 through R-1 1 bottom front 14-in spar rear Wing structure basically semi-symmet rical airfoil four spars sheeted LE %z brass torque tube actuates ailerons NOTE RIBS ARE ALL Si 1/16 B 1/4 3/B BALSA WINS TIPS H-H R-N B-IS______________________________ RTI -FW BLACK~ WHIT SCRAPBALSA PILL AILERON I/S BALSATTPICAL SOSSETLOCATISE 16PLY DIHEDRALFLYINS S BHACESRINSES S STEEL P1 5/16 DOWELPOINTS -ThI 3/16 50 SPRUCE I/H SO SPRLCE-SPARS SPARS TRIM SOT FORR-2 SETRACS-F 1/161 1/ISBALSA SHEETING _ ---BALSA TE R-3 COT SOT FOSI/IH BALD RETR L ~SHEET R4 -N li R-5 76-U I/IS BALDA-R-6 SHEET --R7 CAP STRIP 3/BBALSAR-8 LEASING EDGEIJZ5/163/B BALSA -R-IO 1/16 BALSA SHEETR-II3A-in ones sure spar material ar row straight Plywood ribs R-4 R-5 may need modified accept retracts other used made B&D Glue top front rear spars Glue leading edge ribs R-3 R 11 trailing edge R- 1 R-7 Add trailing edge aileron spar re lated pieces detail refer cross section rib R-8 shown plans Join left right wing panels front rear plywood dihedral braces Once glue dry add center rib R 1 ribs 2 3 Finish general wing framing adding top center-section sheeting leading trailing edge pieces per plans Youre ready install retracts servos Work out retract locations operations establish retract servo location its linkage Determine set up aileron servo location same torque tube linkage operation works satisfactorily finish undone sheeting such top bottom leading edge Line wheel wells soft Il Tail surface group Note use Robart Hinge Points Balsa blocks glued spars give hinges area adhesion Tail surface leading edges rounded give sealed joint effect Tail wheel bracket cut sheet brass silver soldered joints 30 Model Aviation Full-Size Plans Available. See Page 164 BD MECHANICAL 85 RETR4CTS NOTE 1/16 BALSA TOP SHEETING1/16 PLY-WITH 3-I/H WILLIAMS BROs SMOOTh3/BBALSA SHEET NOT SI-IOWN FOR CLARITYLEADING EDGE BHO R-5 [v32][b-1-10-1-10]]SO SO B-IS -1 TY~J EROS 7S 505 PLY DIHEDRAL3/16 50STRIPS 1/6 BALSABRACE WEBS- V ERT BAOOI S rT- SPOT SLOE SM/ ANTOPVIEWDOWEL 10 RETAIN/16 BALSA VIRBALSA TOD TORQUE ROD -SERT IDRAIN -- -Th-WY TI Ii-[YS/IC SRAR SURE EILERON TORQUE TUBES'- 2SBYJRESlICE BUSHINGSSPASER V iEE DETAIL /16 PLY T ECENTER SOLIDBALSA WESOESIIIIE~ -" SECTION-BOTTOM ONLYTO PRESET CRUOHIBA VERTICAL GRAIN t/L3BESSO SORNBE 3/36AC BAING SADDLE B FILLET BASE VR PLY REARTOREURSOBRASS 5/52 GA BRASS DIHEDRAL BRACEIL B N TSR UEPRIIS NOB AlL3/64 PLY S REQUIRED -TOPSPARTOPOPAR H-RBH-SRIORI hOER SOIXWR-OH-SH-AH-H 0/52 016- ' OMRETRACT V4SO SPRUcE FRONT VIEW WING S IA TOP 8HCPLYROOODIHEDRAL EACH LS PLY FRONTI NOT OHS NI/B BALSA DIHEDRAL BRACE ZL#L#roP--79 REAR NMO TS I/H PLYWOOD 2 REQUIRED HR-O TOP MAIB SPAR BOTTOM MAN SPAR V16 PLYWOOD 3/A PLYWOOD RETRACT MOUNT MOUNTINGBlURT WING LOCATIONS- HOLLOW OUT 1/16 PLYSLIGHTLY FOB4S.3/16 PLYWOOD LA SOOR-LG STRUT I/B PLY STIFFENERLEFT OSRUE FOR AIRFOI SRCUT GUT I1A-4L3/I6• PLY LO BOOR CURSED_ TO CONFORM WITH WING BOTTOMNOTE OTHER RETRACT SYSTEMS WILL WHEEL DOORS_____________________ ii VIFw RESGIRE DIFFERENT CUT OUTS ON MOUNTS LG MOUNTS CROSS SECTION3/16 PLY3/DD BALSA TYPICALHORN MORNS TOP BALSAI/B M WSTRIP HINGE LOCATIONI/BBAD BOTTOM SUB RIBS 3/16 3/B BALSA TRAILING EDGE WING LE 3/3D BALSA SHEET I/A A SHEET TIP SIt3B5B SHEET 2 OF 2 MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED S DRAWN BY GARY BROWN ITRACING BY JOE DEMARCO ICI tIltEllS rRPDMrfl 1/16 BALSA SHEET T F OR ATTACHMENT DETAIL 3/32 PLY DIHEDRAL BRACE ---5 9/B oS/B BALSA SPAR yE BALSA SHEET ALERON YE /16 balsa keep dirt oil wing interior Install leading edge wing dowel after covering wing Fuselage Begin assembling /16 x %-in horizontal crutch over plans Cut out formers F-S through F-16 Spot glue six seven balsa scraps across frame hold its shape add form ers sure cut notches plywood formers F-6 F-7 before gluing crutch Glue first last former dry glue remaining formers removing balsa scraps proceed Add top bottom /16 x 3A-in balsa keels Glue /16 cockpit sheeting F-9 F-b F-13 along wing saddles Determine Stringer locations using pins rubberbands secure left right top bottom stringer groups formers Once arranged sym Continued page 126 Bottom side above top side right wing center section 3A ply frame mounts retractable landing gear between two 1As ply ribs Dihedral braces 1A-ln ply BUpport center section July 1988 31 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. P-39 IRA COBRA 55 SPAN. P-51D MUSTANG 54 SPAN C202 FOLGORE 55.. FOCKE WULF 19054 SPAN. WAR II FIGHTER SERIES PHONE 815-459-0417 SHORT KI1S FICWDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED respondl.g advertisers mention read about ModelAviation WANNA RACE LtflDTUAQT AnA BEGINNER RACES r 0-500 -i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 611 528-4043 203 613-2000 beef up structure would add excess weight degrade performance Setup flying youve kept weight down FW-190 will fly very well no bad habits Takeoffs quite straight absolutely no ground looping bit corrective right rudder needed sus pect wide-spaced mains largely re sponsible its good manners ground model will rise-off-ground ROG reaches flying speed eleva tor input Once clears ground little elevator healthy 40 will give good climbout Landings easy man age also Drop gear practice ap proaches gradually slowing accepta ble landing speed Use rudder keep straight slows approach Youll find airplane will slow down nicely out threatening stall first flights followed conven tional practice pairing 10 x 6 prop 40 engine experimentation quickly taught other prop sizes work better model 12 x 4 Zinger seems give best pull 11 x 6 seems bet ter speed moral Experiment different prop diameters pitches aircraft its clean lines easygoing flying disposition FW-190 makes good choice workbench next building season too demanding build very satisfying flying field Radio Technique/Myers Continued page 33 Im ask 2-6 mixer puts flaps opposite elevator like Ukie Stunt model flaps elevator cant imagine youd want flaps going same way elevator unless take care some installation peculiarity reversing switches channels seems redundant 6-2 mixer puts neutral offset el evator channel whether flaps low ered Again strange use elevator trim flaps like trim proportional flap setting Mr Lanterman told mix ers will different soon servo construction looks pretty durable featuring 0-ring-sealed case brass-on-steel bearings critical locations splined shafts output wheels convenient size should adequate planes engines up 60 size though might too big narrrow-fuselage Sailplane like Sagitta realize getting narrowband FM seven-channel system mixing/reversing features four servos Ni-Cds neck strap charger about $165 retail think wont have much excuse hanging onto old set keep trying convert $10 Look way isnt cost radio thats important its cost repairs after crash Hinges/Michaelis Continued page 36 want free stretch Photo 10 tweezers used poke pull hinges through aileron slots Photo 11 / ply strip used ap ply wax just behind slot avoid un wanted bonding Photo 12 moment truth Zap ap plied skin loose hinge end wrapped up against waxed stick under slight tension poised quickly jam down until glue fires much tension case about / right Use sharp blade remove excess hinge material Ap ply bit Zap needed until least bonded Photo 13 aileron spread scraps along hinge line bot tom can accurately positioned glued Photo 14 Depending care mak ing good butt fit hinge line can ex tremely fine Photo 15 shows flap installation Because hinges low such ar rangement full down deflection imparts negligible tension Up flap adds little tension hinges installed sufficient allowance stretch ef fect nominal Photo 16 just include JM Glascraft P-s ls like Penetrator used tip ailerons rubber hinges 128 Model Aviation CENTURY SYSTEMS OZ QUALITY PRODUCTS FROM DOWN UNDER Features snga 04 backup nafety equipment fur RIC modem Helicopter Gyro Fixed Wing Gyro Battery Cyciar Battery Checker Lost Modet Atarm Battery Backer 4 Channai Failsafe 2 Channel Mixer Muiti Charger Field Home Charger Electronic Switch Electronic Speed Control Thermal Cut-Oft Charger Send 01 postage free catalog PO BOx 4085 Costa Mesa Ca 02826 Phone 714 082-2480 DEALERS INOUIRIES WELCOME ZMA Name Street Address City StateZip HOWW BB INTERNATIONAL INC
Edition: Model Aviation - 1988/07
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 126, 128
NO OCR TEXT NO OCR TEXT model also full-size FW-1 90 handles easily ground Takeoffs exhibit no tendency ground loop tad right rudder needed keep rolling straight 190 airplane nicknamed Wurger German Butcher Bird designed around twin-row 14cylinder BMW-139 air-cooled radial en gme first prototype FW-190 VI large ducted spinner same diameter cowling system failed provide adequate cooling just beginning overheating problems plague early Focke-Wulfs fitting subse quent versions powerful BMW-801 twin-row radial conven tional spinner 12-bladed cooling fan right landing gear shown downand-locked position Pushrod Ae music wire makes straight run servo simple gear door fasteners have given no problem Williams Bros 3-in wheels thin enough fit easily wing Tall wheel mount silver soldered sheet brass screwed 3/i ply glued fuselags structure Steering via link rud der horn easier using rudder itself modelworks just well Note single coil bent tail wheel strut Left Retract servo sits inverted ahead aileron servo Ailerons driven via brass music wire torque rods Right Radio installation Battery receiver between formers F7 F9 held place #64 rubberbands music wire hooks Rubberbands also use ful keeping wire harnesses neat place Antenna routed through plastic soda straw conduit glued formers inside fuselage Left B&D retracts shown require pretty much straight push-pull arrangement servo Appropriate ribs cut out lust enough clear wheels landing gear retracted position Wheel wells lined soft sheet balsa fuel-proofed Right Original stallation aK&B 35 shows homemade sheet brass muffler J-Tec in-cowl muffler should work just well plenty room 26 Model Aviation FOCKE-WULF Fw 190-A DESIGNED BY GARY BROWN - SQ 33 X j BALSA KEEL RLS1 1x 3/8 BALSA CLEAR BUThRRTE PY K I6 BALSA CRLJrCI4 - DIR TRILLHEEL - I6 BALSA STRINGERS BALSA SHEET % PLY SA SHEET COLL RINGS 2 iLUIflINUfl SPI NNER $6/ 5OFT BALSR 325DIA WHEEL S 46 BALSA SHEET 45QSPRUCE SPAR BALSA L3E-B - BALSA SHEET tE BRISR RIBS 4x CAPSTRIP N 16 BALSA SHEET TE 16 -A BALSABALSA SI4EE-TL E ING FOR COOLING316 SOCT LINE WITH 1/16F-6POI BALSA SHEET____ / LX 74 PLYWOOD FIR EWALL 1/2 BALSA 4 PESO / 1/2 BALSA ----4 HESS 2 S COWL RINGS I/2 BALSA COWL RINGS F-S 24 4 BALSAII H ROOD 3/R BALSA SHEET rRUDDER LEADING EDGE ENGINE IS 35 TU 45SC TWO CYCLE NO THRUSTBE OFFSETS 1/2 BALSA SHEET COWL RINGS 21/2 DIA SPINNER LU M INOM FROM ACBLEY METAL PROD 7476 RIDDEWAY SRFIL BUENA PARR CA 9G620OF NOTE LAGE MARKINGS ARE FROM JASDGESCHSRASAR 54 GRUN HERD 5/31 MUG FLOOR ROBS FROM F-ID TO F-IS- I/H COCKPIT RBALSA SHEET better ducting overheating condition eventually resolved Although BF-109 remained Ger manys principal fighter throughout World War II FW- 190 became important auxiliary Luftwaffes number tac tical multirole attack aircraft Over course war Wurger equipped wide range armament 79mm MG-17 machine gun 30mm cannons 1000-lb bombs Recognizing exploiting aircrafts versatility Na zis deployed fighter fighter bomber torpedo bomber reconnais sance plane ground support plane used both all-weather night fighter wingspan 34 ft 5 takeoff weight 8000 lb Wurger lighter smaller Allied aircraft contrast P-47D wing span 40 ft 9 weighed 13500 lb takeoff wingspan takeoff weight P-51D 37 ft 10000 lb respectively FW-190 obvi ously diminutive potent bird capable maneuvering best skies over Europe interest Wurger dates trip Smithsonians aircraft restoration Above Air exit duct cowling functional V2-in-dia hole provides access glow plug wing fillet rather small made easily microballoons epoxy Right radio com partment big enough just about system Wing saddles % plywood wing mounts -in plywood clearly visible 28 Model Aviation PS I/H NALSA SECTIONS NOTE GRAIN DIRECTION JL sticks stringers plane could almost pass Comet rubber-powered kit landing gear flying surfaces being fitted before covering painting ii 1/4 BALSA GREET FIN LEASING EDGE GREEN HEARTSI Basic sub-assemblies have completely sanded and made ready covering fuselage wing stab Note vertical fin constructed directly fuselage Full-Size Plans Available. See Page 184 NOTE ALL STRINGERS ARE 3/IHI/B HARD BALSA NOTCH FORMER /5 DEEP TO ALLOW 1116SF STRINGER F-Il_____ TO SHOW ABOVE FORMER- -y--I/IA SHEETING F-br/~ nr T --4 "~-I/1A PLYWOOGI/BBALSA [SHEET I/BBALSA SHEET9 F13 STRINGER LOCATIONS F-7 1/16 PLYWOOD /R BALSA SHEETAl/H BALSA SHEET / 3/VA PLYWOOD -- COWL AIR FLOW DUCT1/4 PLYWOOD APPRUG POSITION OFI/O BALSA U REGOr- -MOUNTSI/H BALSA - SHEET WINS DOWEL DO NOTS/AA PLY CROSSWING SADDLE DOUBLERDRILL UNTIL WINO ISSECTION E SIDE OF 0 READY TO MOUNTI/H PLYWOOJCOOLING DUCT FORI/1A BALSA SHEETING ENGINE N EGHAGGYBETWEEN STRINGERS I/A PLYWOOD3/64 PLYWOOD WING MOUNTS -~ WINDSHIELD E HEADREST 3/IA 3/B BALSA IsNI IF-IA F-17 --V- I-_ /16 BALSA STRIPS ABOUND --VA BALSA GUSSETS T COCKPITFOR FIN -FUSELAGE TOP VIEW3/IA I/A BALSA -CLEARlID BALSA SHEET F-bBUTYRATEHOLLOWEDLGB4INATE JOINTS F-Il CANOPYWITH 3/HA PY 0/64 PLY3/IA 3/B BALSA KEEL EDGE F-BF-BF-ID -- F-IS BATT AREA-IAABALSA - SHEET AIRRECEIVER AREAWRITE GREN tCTSERUOSN I FI5 I/B BALSA SHEET COCKPIT3/IA BALSA STIFFENER I/IA BALSA SHEET MOUNT BETWEEN F-N H F-IS ID REUDI 3/IA BALSAF-IA F-IT 3/IA BALSA SHEET 3/H RALSA N BADGER RIBS GASSETSS/IA 3/IA BOTH SIDESWHITE 93'BALSA 3/IA BALSA -, -- --%TYUYISTAB MOANT'- CSII ' 3/A PLY-BLACK STAB CUTOUT WINS SADDLE-2 0 INCIDENCE S/IA DIA DOWELWINS INCID OP"LAM NATE FROM TWO 3/lAPLY3W N l/D FECES -MOONTTO FIT WIDTH OF 7/B DIA TEMPORARY KEEL/4 PLYI/B 3/IA BALSA3/IA 3/B BALSATAILIAHEEL REMOVE AFTERWINO MUONTSSTRINGERSCRUTCH H KEEL STRINGER INSTALLSOFT RALSA3/3D BALSA FILL BLOCHBETWEEN STRINGERS FUSELAGE SIDE VIEW NOTE LASE IS SHEETED WITH I/IA BALSA FROM F-S TO F-B BOLT PINE BLOCKS FOR HANDLES I/IA 23Z2TW BRASS 030 BRASS - TuBE SHEET TAILIAHEEL MOANT 030 BOTYRATE SHEET/ MALE MOLD'-V/ OF CABOPY PINE IIiiVBLOCKYR RED BUILDAIEOAYIOPT ARiA WITH J/ZIDGEI2WARM MOLD N OVERt DALSKSHEETsIRCALSi IN PLACE3 HEAT BATYRATE SHEET AND CARVE TO SHAPE 4 WHEN SHEELOAREPALL IAIJflGY flETAIINWIAN SR BY S SILVER SOLDER SPECIFICATIONS WINS SPAN5B LENGTHWA ENGINE35 45 D CYCLE WEIGHTS 3D 5-I/D LBS WITH RETRACTSS CHANNELS 5I2045B SHEET IOFZ MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED B DRAWN BY GARY BROWN TRACING BY JOE DEMARCO ALL RIGHTS RESERVED facilities Silver Hill MD friend George Clapp process finaliz ing set superb three-views DH-4 Id traveled him assist taking measurements recently completed ex ample aircraft time several planes undergoing restoration Japanese Nakajima Irving twin engine night fighter early Northrop flying wing FW-190 fascinated small compact size Focke Wulf design always looks much larger photographs Taking time study aircraft intimately began ap preciate its clean functional lines care ful engineering decided begin collection material FW 190 both satisfy own interest basis recreating RC model doing purpose pro duce exact Scale replica suitable Nats competition lightweight semiscale de sign retracts would capable good performance 35 40 en gine Ive flown model weighs 5 lb old K&B 35 have since sub stituted HP 40 improved performLeft Authors canopy molded 030 clear butyrate sheet says works easily Follow directions plan practice several sheets until get good Right B&D 850 retract gear shown gear doors attachments Thin -in ply piece gear door bottom holds door curved shape match airfoil section wheels retracted photographs author July 1988 29 3/IA I/IA BALSA F-BSOFINEBSEF-S BALSA 4AR /IfJJBROS 3D5 DIASMOOTH CONTOUR ance Though finished markings particular aircraft does carry JAGDESCHWADER 54 GRUNHERZ signia green heart GRUNHERZ GESCHWADER emblem shield cowl Gruppen insig nia Photographs markings both FW- 190s BF- 109s quite common aircraft history books youve ever built Old-Timer sticktype model constructing Wurger shouldnt bring unwelcome surprises Before begin however study plans thoroughly acquaint yourself design Wing Build left right panels over plans gluing ribs R-4 through R-1 1 bottom front 14-in spar rear Wing structure basically semi-symmet rical airfoil four spars sheeted LE %z brass torque tube actuates ailerons NOTE RIBS ARE ALL Si 1/16 B 1/4 3/B BALSA WINS TIPS H-H R-N B-IS______________________________ RTI -FW BLACK~ WHIT SCRAPBALSA PILL AILERON I/S BALSATTPICAL SOSSETLOCATISE 16PLY DIHEDRALFLYINS S BHACESRINSES S STEEL P1 5/16 DOWELPOINTS -ThI 3/16 50 SPRUCE I/H SO SPRLCE-SPARS SPARS TRIM SOT FORR-2 SETRACS-F 1/161 1/ISBALSA SHEETING _ ---BALSA TE R-3 COT SOT FOSI/IH BALD RETR L ~SHEET R4 -N li R-5 76-U I/IS BALDA-R-6 SHEET --R7 CAP STRIP 3/BBALSAR-8 LEASING EDGEIJZ5/163/B BALSA -R-IO 1/16 BALSA SHEETR-II3A-in ones sure spar material ar row straight Plywood ribs R-4 R-5 may need modified accept retracts other used made B&D Glue top front rear spars Glue leading edge ribs R-3 R 11 trailing edge R- 1 R-7 Add trailing edge aileron spar re lated pieces detail refer cross section rib R-8 shown plans Join left right wing panels front rear plywood dihedral braces Once glue dry add center rib R 1 ribs 2 3 Finish general wing framing adding top center-section sheeting leading trailing edge pieces per plans Youre ready install retracts servos Work out retract locations operations establish retract servo location its linkage Determine set up aileron servo location same torque tube linkage operation works satisfactorily finish undone sheeting such top bottom leading edge Line wheel wells soft Il Tail surface group Note use Robart Hinge Points Balsa blocks glued spars give hinges area adhesion Tail surface leading edges rounded give sealed joint effect Tail wheel bracket cut sheet brass silver soldered joints 30 Model Aviation Full-Size Plans Available. See Page 164 BD MECHANICAL 85 RETR4CTS NOTE 1/16 BALSA TOP SHEETING1/16 PLY-WITH 3-I/H WILLIAMS BROs SMOOTh3/BBALSA SHEET NOT SI-IOWN FOR CLARITYLEADING EDGE BHO R-5 [v32][b-1-10-1-10]]SO SO B-IS -1 TY~J EROS 7S 505 PLY DIHEDRAL3/16 50STRIPS 1/6 BALSABRACE WEBS- V ERT BAOOI S rT- SPOT SLOE SM/ ANTOPVIEWDOWEL 10 RETAIN/16 BALSA VIRBALSA TOD TORQUE ROD -SERT IDRAIN -- -Th-WY TI Ii-[YS/IC SRAR SURE EILERON TORQUE TUBES'- 2SBYJRESlICE BUSHINGSSPASER V iEE DETAIL /16 PLY T ECENTER SOLIDBALSA WESOESIIIIE~ -" SECTION-BOTTOM ONLYTO PRESET CRUOHIBA VERTICAL GRAIN t/L3BESSO SORNBE 3/36AC BAING SADDLE B FILLET BASE VR PLY REARTOREURSOBRASS 5/52 GA BRASS DIHEDRAL BRACEIL B N TSR UEPRIIS NOB AlL3/64 PLY S REQUIRED -TOPSPARTOPOPAR H-RBH-SRIORI hOER SOIXWR-OH-SH-AH-H 0/52 016- ' OMRETRACT V4SO SPRUcE FRONT VIEW WING S IA TOP 8HCPLYROOODIHEDRAL EACH LS PLY FRONTI NOT OHS NI/B BALSA DIHEDRAL BRACE ZL#L#roP--79 REAR NMO TS I/H PLYWOOD 2 REQUIRED HR-O TOP MAIB SPAR BOTTOM MAN SPAR V16 PLYWOOD 3/A PLYWOOD RETRACT MOUNT MOUNTINGBlURT WING LOCATIONS- HOLLOW OUT 1/16 PLYSLIGHTLY FOB4S.3/16 PLYWOOD LA SOOR-LG STRUT I/B PLY STIFFENERLEFT OSRUE FOR AIRFOI SRCUT GUT I1A-4L3/I6• PLY LO BOOR CURSED_ TO CONFORM WITH WING BOTTOMNOTE OTHER RETRACT SYSTEMS WILL WHEEL DOORS_____________________ ii VIFw RESGIRE DIFFERENT CUT OUTS ON MOUNTS LG MOUNTS CROSS SECTION3/16 PLY3/DD BALSA TYPICALHORN MORNS TOP BALSAI/B M WSTRIP HINGE LOCATIONI/BBAD BOTTOM SUB RIBS 3/16 3/B BALSA TRAILING EDGE WING LE 3/3D BALSA SHEET I/A A SHEET TIP SIt3B5B SHEET 2 OF 2 MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED S DRAWN BY GARY BROWN ITRACING BY JOE DEMARCO ICI tIltEllS rRPDMrfl 1/16 BALSA SHEET T F OR ATTACHMENT DETAIL 3/32 PLY DIHEDRAL BRACE ---5 9/B oS/B BALSA SPAR yE BALSA SHEET ALERON YE /16 balsa keep dirt oil wing interior Install leading edge wing dowel after covering wing Fuselage Begin assembling /16 x %-in horizontal crutch over plans Cut out formers F-S through F-16 Spot glue six seven balsa scraps across frame hold its shape add form ers sure cut notches plywood formers F-6 F-7 before gluing crutch Glue first last former dry glue remaining formers removing balsa scraps proceed Add top bottom /16 x 3A-in balsa keels Glue /16 cockpit sheeting F-9 F-b F-13 along wing saddles Determine Stringer locations using pins rubberbands secure left right top bottom stringer groups formers Once arranged sym Continued page 126 Bottom side above top side right wing center section 3A ply frame mounts retractable landing gear between two 1As ply ribs Dihedral braces 1A-ln ply BUpport center section July 1988 31 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. P-39 IRA COBRA 55 SPAN. P-51D MUSTANG 54 SPAN C202 FOLGORE 55.. FOCKE WULF 19054 SPAN. WAR II FIGHTER SERIES PHONE 815-459-0417 SHORT KI1S FICWDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED respondl.g advertisers mention read about ModelAviation WANNA RACE LtflDTUAQT AnA BEGINNER RACES r 0-500 -i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 611 528-4043 203 613-2000 beef up structure would add excess weight degrade performance Setup flying youve kept weight down FW-190 will fly very well no bad habits Takeoffs quite straight absolutely no ground looping bit corrective right rudder needed sus pect wide-spaced mains largely re sponsible its good manners ground model will rise-off-ground ROG reaches flying speed eleva tor input Once clears ground little elevator healthy 40 will give good climbout Landings easy man age also Drop gear practice ap proaches gradually slowing accepta ble landing speed Use rudder keep straight slows approach Youll find airplane will slow down nicely out threatening stall first flights followed conven tional practice pairing 10 x 6 prop 40 engine experimentation quickly taught other prop sizes work better model 12 x 4 Zinger seems give best pull 11 x 6 seems bet ter speed moral Experiment different prop diameters pitches aircraft its clean lines easygoing flying disposition FW-190 makes good choice workbench next building season too demanding build very satisfying flying field Radio Technique/Myers Continued page 33 Im ask 2-6 mixer puts flaps opposite elevator like Ukie Stunt model flaps elevator cant imagine youd want flaps going same way elevator unless take care some installation peculiarity reversing switches channels seems redundant 6-2 mixer puts neutral offset el evator channel whether flaps low ered Again strange use elevator trim flaps like trim proportional flap setting Mr Lanterman told mix ers will different soon servo construction looks pretty durable featuring 0-ring-sealed case brass-on-steel bearings critical locations splined shafts output wheels convenient size should adequate planes engines up 60 size though might too big narrrow-fuselage Sailplane like Sagitta realize getting narrowband FM seven-channel system mixing/reversing features four servos Ni-Cds neck strap charger about $165 retail think wont have much excuse hanging onto old set keep trying convert $10 Look way isnt cost radio thats important its cost repairs after crash Hinges/Michaelis Continued page 36 want free stretch Photo 10 tweezers used poke pull hinges through aileron slots Photo 11 / ply strip used ap ply wax just behind slot avoid un wanted bonding Photo 12 moment truth Zap ap plied skin loose hinge end wrapped up against waxed stick under slight tension poised quickly jam down until glue fires much tension case about / right Use sharp blade remove excess hinge material Ap ply bit Zap needed until least bonded Photo 13 aileron spread scraps along hinge line bot tom can accurately positioned glued Photo 14 Depending care mak ing good butt fit hinge line can ex tremely fine Photo 15 shows flap installation Because hinges low such ar rangement full down deflection imparts negligible tension Up flap adds little tension hinges installed sufficient allowance stretch ef fect nominal Photo 16 just include JM Glascraft P-s ls like Penetrator used tip ailerons rubber hinges 128 Model Aviation CENTURY SYSTEMS OZ QUALITY PRODUCTS FROM DOWN UNDER Features snga 04 backup nafety equipment fur RIC modem Helicopter Gyro Fixed Wing Gyro Battery Cyciar Battery Checker Lost Modet Atarm Battery Backer 4 Channai Failsafe 2 Channel Mixer Muiti Charger Field Home Charger Electronic Switch Electronic Speed Control Thermal Cut-Oft Charger Send 01 postage free catalog PO BOx 4085 Costa Mesa Ca 02826 Phone 714 082-2480 DEALERS INOUIRIES WELCOME ZMA Name Street Address City StateZip HOWW BB INTERNATIONAL INC
Edition: Model Aviation - 1988/07
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 126, 128
NO OCR TEXT NO OCR TEXT model also full-size FW-1 90 handles easily ground Takeoffs exhibit no tendency ground loop tad right rudder needed keep rolling straight 190 airplane nicknamed Wurger German Butcher Bird designed around twin-row 14cylinder BMW-139 air-cooled radial en gme first prototype FW-190 VI large ducted spinner same diameter cowling system failed provide adequate cooling just beginning overheating problems plague early Focke-Wulfs fitting subse quent versions powerful BMW-801 twin-row radial conven tional spinner 12-bladed cooling fan right landing gear shown downand-locked position Pushrod Ae music wire makes straight run servo simple gear door fasteners have given no problem Williams Bros 3-in wheels thin enough fit easily wing Tall wheel mount silver soldered sheet brass screwed 3/i ply glued fuselags structure Steering via link rud der horn easier using rudder itself modelworks just well Note single coil bent tail wheel strut Left Retract servo sits inverted ahead aileron servo Ailerons driven via brass music wire torque rods Right Radio installation Battery receiver between formers F7 F9 held place #64 rubberbands music wire hooks Rubberbands also use ful keeping wire harnesses neat place Antenna routed through plastic soda straw conduit glued formers inside fuselage Left B&D retracts shown require pretty much straight push-pull arrangement servo Appropriate ribs cut out lust enough clear wheels landing gear retracted position Wheel wells lined soft sheet balsa fuel-proofed Right Original stallation aK&B 35 shows homemade sheet brass muffler J-Tec in-cowl muffler should work just well plenty room 26 Model Aviation FOCKE-WULF Fw 190-A DESIGNED BY GARY BROWN - SQ 33 X j BALSA KEEL RLS1 1x 3/8 BALSA CLEAR BUThRRTE PY K I6 BALSA CRLJrCI4 - DIR TRILLHEEL - I6 BALSA STRINGERS BALSA SHEET % PLY SA SHEET COLL RINGS 2 iLUIflINUfl SPI NNER $6/ 5OFT BALSR 325DIA WHEEL S 46 BALSA SHEET 45QSPRUCE SPAR BALSA L3E-B - BALSA SHEET tE BRISR RIBS 4x CAPSTRIP N 16 BALSA SHEET TE 16 -A BALSABALSA SI4EE-TL E ING FOR COOLING316 SOCT LINE WITH 1/16F-6POI BALSA SHEET____ / LX 74 PLYWOOD FIR EWALL 1/2 BALSA 4 PESO / 1/2 BALSA ----4 HESS 2 S COWL RINGS I/2 BALSA COWL RINGS F-S 24 4 BALSAII H ROOD 3/R BALSA SHEET rRUDDER LEADING EDGE ENGINE IS 35 TU 45SC TWO CYCLE NO THRUSTBE OFFSETS 1/2 BALSA SHEET COWL RINGS 21/2 DIA SPINNER LU M INOM FROM ACBLEY METAL PROD 7476 RIDDEWAY SRFIL BUENA PARR CA 9G620OF NOTE LAGE MARKINGS ARE FROM JASDGESCHSRASAR 54 GRUN HERD 5/31 MUG FLOOR ROBS FROM F-ID TO F-IS- I/H COCKPIT RBALSA SHEET better ducting overheating condition eventually resolved Although BF-109 remained Ger manys principal fighter throughout World War II FW- 190 became important auxiliary Luftwaffes number tac tical multirole attack aircraft Over course war Wurger equipped wide range armament 79mm MG-17 machine gun 30mm cannons 1000-lb bombs Recognizing exploiting aircrafts versatility Na zis deployed fighter fighter bomber torpedo bomber reconnais sance plane ground support plane used both all-weather night fighter wingspan 34 ft 5 takeoff weight 8000 lb Wurger lighter smaller Allied aircraft contrast P-47D wing span 40 ft 9 weighed 13500 lb takeoff wingspan takeoff weight P-51D 37 ft 10000 lb respectively FW-190 obvi ously diminutive potent bird capable maneuvering best skies over Europe interest Wurger dates trip Smithsonians aircraft restoration Above Air exit duct cowling functional V2-in-dia hole provides access glow plug wing fillet rather small made easily microballoons epoxy Right radio com partment big enough just about system Wing saddles % plywood wing mounts -in plywood clearly visible 28 Model Aviation PS I/H NALSA SECTIONS NOTE GRAIN DIRECTION JL sticks stringers plane could almost pass Comet rubber-powered kit landing gear flying surfaces being fitted before covering painting ii 1/4 BALSA GREET FIN LEASING EDGE GREEN HEARTSI Basic sub-assemblies have completely sanded and made ready covering fuselage wing stab Note vertical fin constructed directly fuselage Full-Size Plans Available. See Page 184 NOTE ALL STRINGERS ARE 3/IHI/B HARD BALSA NOTCH FORMER /5 DEEP TO ALLOW 1116SF STRINGER F-Il_____ TO SHOW ABOVE FORMER- -y--I/IA SHEETING F-br/~ nr T --4 "~-I/1A PLYWOOGI/BBALSA [SHEET I/BBALSA SHEET9 F13 STRINGER LOCATIONS F-7 1/16 PLYWOOD /R BALSA SHEETAl/H BALSA SHEET / 3/VA PLYWOOD -- COWL AIR FLOW DUCT1/4 PLYWOOD APPRUG POSITION OFI/O BALSA U REGOr- -MOUNTSI/H BALSA - SHEET WINS DOWEL DO NOTS/AA PLY CROSSWING SADDLE DOUBLERDRILL UNTIL WINO ISSECTION E SIDE OF 0 READY TO MOUNTI/H PLYWOOJCOOLING DUCT FORI/1A BALSA SHEETING ENGINE N EGHAGGYBETWEEN STRINGERS I/A PLYWOOD3/64 PLYWOOD WING MOUNTS -~ WINDSHIELD E HEADREST 3/IA 3/B BALSA IsNI IF-IA F-17 --V- I-_ /16 BALSA STRIPS ABOUND --VA BALSA GUSSETS T COCKPITFOR FIN -FUSELAGE TOP VIEW3/IA I/A BALSA -CLEARlID BALSA SHEET F-bBUTYRATEHOLLOWEDLGB4INATE JOINTS F-Il CANOPYWITH 3/HA PY 0/64 PLY3/IA 3/B BALSA KEEL EDGE F-BF-BF-ID -- F-IS BATT AREA-IAABALSA - SHEET AIRRECEIVER AREAWRITE GREN tCTSERUOSN I FI5 I/B BALSA SHEET COCKPIT3/IA BALSA STIFFENER I/IA BALSA SHEET MOUNT BETWEEN F-N H F-IS ID REUDI 3/IA BALSAF-IA F-IT 3/IA BALSA SHEET 3/H RALSA N BADGER RIBS GASSETSS/IA 3/IA BOTH SIDESWHITE 93'BALSA 3/IA BALSA -, -- --%TYUYISTAB MOANT'- CSII ' 3/A PLY-BLACK STAB CUTOUT WINS SADDLE-2 0 INCIDENCE S/IA DIA DOWELWINS INCID OP"LAM NATE FROM TWO 3/lAPLY3W N l/D FECES -MOONTTO FIT WIDTH OF 7/B DIA TEMPORARY KEEL/4 PLYI/B 3/IA BALSA3/IA 3/B BALSATAILIAHEEL REMOVE AFTERWINO MUONTSSTRINGERSCRUTCH H KEEL STRINGER INSTALLSOFT RALSA3/3D BALSA FILL BLOCHBETWEEN STRINGERS FUSELAGE SIDE VIEW NOTE LASE IS SHEETED WITH I/IA BALSA FROM F-S TO F-B BOLT PINE BLOCKS FOR HANDLES I/IA 23Z2TW BRASS 030 BRASS - TuBE SHEET TAILIAHEEL MOANT 030 BOTYRATE SHEET/ MALE MOLD'-V/ OF CABOPY PINE IIiiVBLOCKYR RED BUILDAIEOAYIOPT ARiA WITH J/ZIDGEI2WARM MOLD N OVERt DALSKSHEETsIRCALSi IN PLACE3 HEAT BATYRATE SHEET AND CARVE TO SHAPE 4 WHEN SHEELOAREPALL IAIJflGY flETAIINWIAN SR BY S SILVER SOLDER SPECIFICATIONS WINS SPAN5B LENGTHWA ENGINE35 45 D CYCLE WEIGHTS 3D 5-I/D LBS WITH RETRACTSS CHANNELS 5I2045B SHEET IOFZ MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED B DRAWN BY GARY BROWN TRACING BY JOE DEMARCO ALL RIGHTS RESERVED facilities Silver Hill MD friend George Clapp process finaliz ing set superb three-views DH-4 Id traveled him assist taking measurements recently completed ex ample aircraft time several planes undergoing restoration Japanese Nakajima Irving twin engine night fighter early Northrop flying wing FW-190 fascinated small compact size Focke Wulf design always looks much larger photographs Taking time study aircraft intimately began ap preciate its clean functional lines care ful engineering decided begin collection material FW 190 both satisfy own interest basis recreating RC model doing purpose pro duce exact Scale replica suitable Nats competition lightweight semiscale de sign retracts would capable good performance 35 40 en gine Ive flown model weighs 5 lb old K&B 35 have since sub stituted HP 40 improved performLeft Authors canopy molded 030 clear butyrate sheet says works easily Follow directions plan practice several sheets until get good Right B&D 850 retract gear shown gear doors attachments Thin -in ply piece gear door bottom holds door curved shape match airfoil section wheels retracted photographs author July 1988 29 3/IA I/IA BALSA F-BSOFINEBSEF-S BALSA 4AR /IfJJBROS 3D5 DIASMOOTH CONTOUR ance Though finished markings particular aircraft does carry JAGDESCHWADER 54 GRUNHERZ signia green heart GRUNHERZ GESCHWADER emblem shield cowl Gruppen insig nia Photographs markings both FW- 190s BF- 109s quite common aircraft history books youve ever built Old-Timer sticktype model constructing Wurger shouldnt bring unwelcome surprises Before begin however study plans thoroughly acquaint yourself design Wing Build left right panels over plans gluing ribs R-4 through R-1 1 bottom front 14-in spar rear Wing structure basically semi-symmet rical airfoil four spars sheeted LE %z brass torque tube actuates ailerons NOTE RIBS ARE ALL Si 1/16 B 1/4 3/B BALSA WINS TIPS H-H R-N B-IS______________________________ RTI -FW BLACK~ WHIT SCRAPBALSA PILL AILERON I/S BALSATTPICAL SOSSETLOCATISE 16PLY DIHEDRALFLYINS S BHACESRINSES S STEEL P1 5/16 DOWELPOINTS -ThI 3/16 50 SPRUCE I/H SO SPRLCE-SPARS SPARS TRIM SOT FORR-2 SETRACS-F 1/161 1/ISBALSA SHEETING _ ---BALSA TE R-3 COT SOT FOSI/IH BALD RETR L ~SHEET R4 -N li R-5 76-U I/IS BALDA-R-6 SHEET --R7 CAP STRIP 3/BBALSAR-8 LEASING EDGEIJZ5/163/B BALSA -R-IO 1/16 BALSA SHEETR-II3A-in ones sure spar material ar row straight Plywood ribs R-4 R-5 may need modified accept retracts other used made B&D Glue top front rear spars Glue leading edge ribs R-3 R 11 trailing edge R- 1 R-7 Add trailing edge aileron spar re lated pieces detail refer cross section rib R-8 shown plans Join left right wing panels front rear plywood dihedral braces Once glue dry add center rib R 1 ribs 2 3 Finish general wing framing adding top center-section sheeting leading trailing edge pieces per plans Youre ready install retracts servos Work out retract locations operations establish retract servo location its linkage Determine set up aileron servo location same torque tube linkage operation works satisfactorily finish undone sheeting such top bottom leading edge Line wheel wells soft Il Tail surface group Note use Robart Hinge Points Balsa blocks glued spars give hinges area adhesion Tail surface leading edges rounded give sealed joint effect Tail wheel bracket cut sheet brass silver soldered joints 30 Model Aviation Full-Size Plans Available. See Page 164 BD MECHANICAL 85 RETR4CTS NOTE 1/16 BALSA TOP SHEETING1/16 PLY-WITH 3-I/H WILLIAMS BROs SMOOTh3/BBALSA SHEET NOT SI-IOWN FOR CLARITYLEADING EDGE BHO R-5 [v32][b-1-10-1-10]]SO SO B-IS -1 TY~J EROS 7S 505 PLY DIHEDRAL3/16 50STRIPS 1/6 BALSABRACE WEBS- V ERT BAOOI S rT- SPOT SLOE SM/ ANTOPVIEWDOWEL 10 RETAIN/16 BALSA VIRBALSA TOD TORQUE ROD -SERT IDRAIN -- -Th-WY TI Ii-[YS/IC SRAR SURE EILERON TORQUE TUBES'- 2SBYJRESlICE BUSHINGSSPASER V iEE DETAIL /16 PLY T ECENTER SOLIDBALSA WESOESIIIIE~ -" SECTION-BOTTOM ONLYTO PRESET CRUOHIBA VERTICAL GRAIN t/L3BESSO SORNBE 3/36AC BAING SADDLE B FILLET BASE VR PLY REARTOREURSOBRASS 5/52 GA BRASS DIHEDRAL BRACEIL B N TSR UEPRIIS NOB AlL3/64 PLY S REQUIRED -TOPSPARTOPOPAR H-RBH-SRIORI hOER SOIXWR-OH-SH-AH-H 0/52 016- ' OMRETRACT V4SO SPRUcE FRONT VIEW WING S IA TOP 8HCPLYROOODIHEDRAL EACH LS PLY FRONTI NOT OHS NI/B BALSA DIHEDRAL BRACE ZL#L#roP--79 REAR NMO TS I/H PLYWOOD 2 REQUIRED HR-O TOP MAIB SPAR BOTTOM MAN SPAR V16 PLYWOOD 3/A PLYWOOD RETRACT MOUNT MOUNTINGBlURT WING LOCATIONS- HOLLOW OUT 1/16 PLYSLIGHTLY FOB4S.3/16 PLYWOOD LA SOOR-LG STRUT I/B PLY STIFFENERLEFT OSRUE FOR AIRFOI SRCUT GUT I1A-4L3/I6• PLY LO BOOR CURSED_ TO CONFORM WITH WING BOTTOMNOTE OTHER RETRACT SYSTEMS WILL WHEEL DOORS_____________________ ii VIFw RESGIRE DIFFERENT CUT OUTS ON MOUNTS LG MOUNTS CROSS SECTION3/16 PLY3/DD BALSA TYPICALHORN MORNS TOP BALSAI/B M WSTRIP HINGE LOCATIONI/BBAD BOTTOM SUB RIBS 3/16 3/B BALSA TRAILING EDGE WING LE 3/3D BALSA SHEET I/A A SHEET TIP SIt3B5B SHEET 2 OF 2 MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED S DRAWN BY GARY BROWN ITRACING BY JOE DEMARCO ICI tIltEllS rRPDMrfl 1/16 BALSA SHEET T F OR ATTACHMENT DETAIL 3/32 PLY DIHEDRAL BRACE ---5 9/B oS/B BALSA SPAR yE BALSA SHEET ALERON YE /16 balsa keep dirt oil wing interior Install leading edge wing dowel after covering wing Fuselage Begin assembling /16 x %-in horizontal crutch over plans Cut out formers F-S through F-16 Spot glue six seven balsa scraps across frame hold its shape add form ers sure cut notches plywood formers F-6 F-7 before gluing crutch Glue first last former dry glue remaining formers removing balsa scraps proceed Add top bottom /16 x 3A-in balsa keels Glue /16 cockpit sheeting F-9 F-b F-13 along wing saddles Determine Stringer locations using pins rubberbands secure left right top bottom stringer groups formers Once arranged sym Continued page 126 Bottom side above top side right wing center section 3A ply frame mounts retractable landing gear between two 1As ply ribs Dihedral braces 1A-ln ply BUpport center section July 1988 31 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. P-39 IRA COBRA 55 SPAN. P-51D MUSTANG 54 SPAN C202 FOLGORE 55.. FOCKE WULF 19054 SPAN. WAR II FIGHTER SERIES PHONE 815-459-0417 SHORT KI1S FICWDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED respondl.g advertisers mention read about ModelAviation WANNA RACE LtflDTUAQT AnA BEGINNER RACES r 0-500 -i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 611 528-4043 203 613-2000 beef up structure would add excess weight degrade performance Setup flying youve kept weight down FW-190 will fly very well no bad habits Takeoffs quite straight absolutely no ground looping bit corrective right rudder needed sus pect wide-spaced mains largely re sponsible its good manners ground model will rise-off-ground ROG reaches flying speed eleva tor input Once clears ground little elevator healthy 40 will give good climbout Landings easy man age also Drop gear practice ap proaches gradually slowing accepta ble landing speed Use rudder keep straight slows approach Youll find airplane will slow down nicely out threatening stall first flights followed conven tional practice pairing 10 x 6 prop 40 engine experimentation quickly taught other prop sizes work better model 12 x 4 Zinger seems give best pull 11 x 6 seems bet ter speed moral Experiment different prop diameters pitches aircraft its clean lines easygoing flying disposition FW-190 makes good choice workbench next building season too demanding build very satisfying flying field Radio Technique/Myers Continued page 33 Im ask 2-6 mixer puts flaps opposite elevator like Ukie Stunt model flaps elevator cant imagine youd want flaps going same way elevator unless take care some installation peculiarity reversing switches channels seems redundant 6-2 mixer puts neutral offset el evator channel whether flaps low ered Again strange use elevator trim flaps like trim proportional flap setting Mr Lanterman told mix ers will different soon servo construction looks pretty durable featuring 0-ring-sealed case brass-on-steel bearings critical locations splined shafts output wheels convenient size should adequate planes engines up 60 size though might too big narrrow-fuselage Sailplane like Sagitta realize getting narrowband FM seven-channel system mixing/reversing features four servos Ni-Cds neck strap charger about $165 retail think wont have much excuse hanging onto old set keep trying convert $10 Look way isnt cost radio thats important its cost repairs after crash Hinges/Michaelis Continued page 36 want free stretch Photo 10 tweezers used poke pull hinges through aileron slots Photo 11 / ply strip used ap ply wax just behind slot avoid un wanted bonding Photo 12 moment truth Zap ap plied skin loose hinge end wrapped up against waxed stick under slight tension poised quickly jam down until glue fires much tension case about / right Use sharp blade remove excess hinge material Ap ply bit Zap needed until least bonded Photo 13 aileron spread scraps along hinge line bot tom can accurately positioned glued Photo 14 Depending care mak ing good butt fit hinge line can ex tremely fine Photo 15 shows flap installation Because hinges low such ar rangement full down deflection imparts negligible tension Up flap adds little tension hinges installed sufficient allowance stretch ef fect nominal Photo 16 just include JM Glascraft P-s ls like Penetrator used tip ailerons rubber hinges 128 Model Aviation CENTURY SYSTEMS OZ QUALITY PRODUCTS FROM DOWN UNDER Features snga 04 backup nafety equipment fur RIC modem Helicopter Gyro Fixed Wing Gyro Battery Cyciar Battery Checker Lost Modet Atarm Battery Backer 4 Channai Failsafe 2 Channel Mixer Muiti Charger Field Home Charger Electronic Switch Electronic Speed Control Thermal Cut-Oft Charger Send 01 postage free catalog PO BOx 4085 Costa Mesa Ca 02826 Phone 714 082-2480 DEALERS INOUIRIES WELCOME ZMA Name Street Address City StateZip HOWW BB INTERNATIONAL INC
Edition: Model Aviation - 1988/07
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 126, 128
NO OCR TEXT NO OCR TEXT model also full-size FW-1 90 handles easily ground Takeoffs exhibit no tendency ground loop tad right rudder needed keep rolling straight 190 airplane nicknamed Wurger German Butcher Bird designed around twin-row 14cylinder BMW-139 air-cooled radial en gme first prototype FW-190 VI large ducted spinner same diameter cowling system failed provide adequate cooling just beginning overheating problems plague early Focke-Wulfs fitting subse quent versions powerful BMW-801 twin-row radial conven tional spinner 12-bladed cooling fan right landing gear shown downand-locked position Pushrod Ae music wire makes straight run servo simple gear door fasteners have given no problem Williams Bros 3-in wheels thin enough fit easily wing Tall wheel mount silver soldered sheet brass screwed 3/i ply glued fuselags structure Steering via link rud der horn easier using rudder itself modelworks just well Note single coil bent tail wheel strut Left Retract servo sits inverted ahead aileron servo Ailerons driven via brass music wire torque rods Right Radio installation Battery receiver between formers F7 F9 held place #64 rubberbands music wire hooks Rubberbands also use ful keeping wire harnesses neat place Antenna routed through plastic soda straw conduit glued formers inside fuselage Left B&D retracts shown require pretty much straight push-pull arrangement servo Appropriate ribs cut out lust enough clear wheels landing gear retracted position Wheel wells lined soft sheet balsa fuel-proofed Right Original stallation aK&B 35 shows homemade sheet brass muffler J-Tec in-cowl muffler should work just well plenty room 26 Model Aviation FOCKE-WULF Fw 190-A DESIGNED BY GARY BROWN - SQ 33 X j BALSA KEEL RLS1 1x 3/8 BALSA CLEAR BUThRRTE PY K I6 BALSA CRLJrCI4 - DIR TRILLHEEL - I6 BALSA STRINGERS BALSA SHEET % PLY SA SHEET COLL RINGS 2 iLUIflINUfl SPI NNER $6/ 5OFT BALSR 325DIA WHEEL S 46 BALSA SHEET 45QSPRUCE SPAR BALSA L3E-B - BALSA SHEET tE BRISR RIBS 4x CAPSTRIP N 16 BALSA SHEET TE 16 -A BALSABALSA SI4EE-TL E ING FOR COOLING316 SOCT LINE WITH 1/16F-6POI BALSA SHEET____ / LX 74 PLYWOOD FIR EWALL 1/2 BALSA 4 PESO / 1/2 BALSA ----4 HESS 2 S COWL RINGS I/2 BALSA COWL RINGS F-S 24 4 BALSAII H ROOD 3/R BALSA SHEET rRUDDER LEADING EDGE ENGINE IS 35 TU 45SC TWO CYCLE NO THRUSTBE OFFSETS 1/2 BALSA SHEET COWL RINGS 21/2 DIA SPINNER LU M INOM FROM ACBLEY METAL PROD 7476 RIDDEWAY SRFIL BUENA PARR CA 9G620OF NOTE LAGE MARKINGS ARE FROM JASDGESCHSRASAR 54 GRUN HERD 5/31 MUG FLOOR ROBS FROM F-ID TO F-IS- I/H COCKPIT RBALSA SHEET better ducting overheating condition eventually resolved Although BF-109 remained Ger manys principal fighter throughout World War II FW- 190 became important auxiliary Luftwaffes number tac tical multirole attack aircraft Over course war Wurger equipped wide range armament 79mm MG-17 machine gun 30mm cannons 1000-lb bombs Recognizing exploiting aircrafts versatility Na zis deployed fighter fighter bomber torpedo bomber reconnais sance plane ground support plane used both all-weather night fighter wingspan 34 ft 5 takeoff weight 8000 lb Wurger lighter smaller Allied aircraft contrast P-47D wing span 40 ft 9 weighed 13500 lb takeoff wingspan takeoff weight P-51D 37 ft 10000 lb respectively FW-190 obvi ously diminutive potent bird capable maneuvering best skies over Europe interest Wurger dates trip Smithsonians aircraft restoration Above Air exit duct cowling functional V2-in-dia hole provides access glow plug wing fillet rather small made easily microballoons epoxy Right radio com partment big enough just about system Wing saddles % plywood wing mounts -in plywood clearly visible 28 Model Aviation PS I/H NALSA SECTIONS NOTE GRAIN DIRECTION JL sticks stringers plane could almost pass Comet rubber-powered kit landing gear flying surfaces being fitted before covering painting ii 1/4 BALSA GREET FIN LEASING EDGE GREEN HEARTSI Basic sub-assemblies have completely sanded and made ready covering fuselage wing stab Note vertical fin constructed directly fuselage Full-Size Plans Available. See Page 184 NOTE ALL STRINGERS ARE 3/IHI/B HARD BALSA NOTCH FORMER /5 DEEP TO ALLOW 1116SF STRINGER F-Il_____ TO SHOW ABOVE FORMER- -y--I/IA SHEETING F-br/~ nr T --4 "~-I/1A PLYWOOGI/BBALSA [SHEET I/BBALSA SHEET9 F13 STRINGER LOCATIONS F-7 1/16 PLYWOOD /R BALSA SHEETAl/H BALSA SHEET / 3/VA PLYWOOD -- COWL AIR FLOW DUCT1/4 PLYWOOD APPRUG POSITION OFI/O BALSA U REGOr- -MOUNTSI/H BALSA - SHEET WINS DOWEL DO NOTS/AA PLY CROSSWING SADDLE DOUBLERDRILL UNTIL WINO ISSECTION E SIDE OF 0 READY TO MOUNTI/H PLYWOOJCOOLING DUCT FORI/1A BALSA SHEETING ENGINE N EGHAGGYBETWEEN STRINGERS I/A PLYWOOD3/64 PLYWOOD WING MOUNTS -~ WINDSHIELD E HEADREST 3/IA 3/B BALSA IsNI IF-IA F-17 --V- I-_ /16 BALSA STRIPS ABOUND --VA BALSA GUSSETS T COCKPITFOR FIN -FUSELAGE TOP VIEW3/IA I/A BALSA -CLEARlID BALSA SHEET F-bBUTYRATEHOLLOWEDLGB4INATE JOINTS F-Il CANOPYWITH 3/HA PY 0/64 PLY3/IA 3/B BALSA KEEL EDGE F-BF-BF-ID -- F-IS BATT AREA-IAABALSA - SHEET AIRRECEIVER AREAWRITE GREN tCTSERUOSN I FI5 I/B BALSA SHEET COCKPIT3/IA BALSA STIFFENER I/IA BALSA SHEET MOUNT BETWEEN F-N H F-IS ID REUDI 3/IA BALSAF-IA F-IT 3/IA BALSA SHEET 3/H RALSA N BADGER RIBS GASSETSS/IA 3/IA BOTH SIDESWHITE 93'BALSA 3/IA BALSA -, -- --%TYUYISTAB MOANT'- CSII ' 3/A PLY-BLACK STAB CUTOUT WINS SADDLE-2 0 INCIDENCE S/IA DIA DOWELWINS INCID OP"LAM NATE FROM TWO 3/lAPLY3W N l/D FECES -MOONTTO FIT WIDTH OF 7/B DIA TEMPORARY KEEL/4 PLYI/B 3/IA BALSA3/IA 3/B BALSATAILIAHEEL REMOVE AFTERWINO MUONTSSTRINGERSCRUTCH H KEEL STRINGER INSTALLSOFT RALSA3/3D BALSA FILL BLOCHBETWEEN STRINGERS FUSELAGE SIDE VIEW NOTE LASE IS SHEETED WITH I/IA BALSA FROM F-S TO F-B BOLT PINE BLOCKS FOR HANDLES I/IA 23Z2TW BRASS 030 BRASS - TuBE SHEET TAILIAHEEL MOANT 030 BOTYRATE SHEET/ MALE MOLD'-V/ OF CABOPY PINE IIiiVBLOCKYR RED BUILDAIEOAYIOPT ARiA WITH J/ZIDGEI2WARM MOLD N OVERt DALSKSHEETsIRCALSi IN PLACE3 HEAT BATYRATE SHEET AND CARVE TO SHAPE 4 WHEN SHEELOAREPALL IAIJflGY flETAIINWIAN SR BY S SILVER SOLDER SPECIFICATIONS WINS SPAN5B LENGTHWA ENGINE35 45 D CYCLE WEIGHTS 3D 5-I/D LBS WITH RETRACTSS CHANNELS 5I2045B SHEET IOFZ MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED B DRAWN BY GARY BROWN TRACING BY JOE DEMARCO ALL RIGHTS RESERVED facilities Silver Hill MD friend George Clapp process finaliz ing set superb three-views DH-4 Id traveled him assist taking measurements recently completed ex ample aircraft time several planes undergoing restoration Japanese Nakajima Irving twin engine night fighter early Northrop flying wing FW-190 fascinated small compact size Focke Wulf design always looks much larger photographs Taking time study aircraft intimately began ap preciate its clean functional lines care ful engineering decided begin collection material FW 190 both satisfy own interest basis recreating RC model doing purpose pro duce exact Scale replica suitable Nats competition lightweight semiscale de sign retracts would capable good performance 35 40 en gine Ive flown model weighs 5 lb old K&B 35 have since sub stituted HP 40 improved performLeft Authors canopy molded 030 clear butyrate sheet says works easily Follow directions plan practice several sheets until get good Right B&D 850 retract gear shown gear doors attachments Thin -in ply piece gear door bottom holds door curved shape match airfoil section wheels retracted photographs author July 1988 29 3/IA I/IA BALSA F-BSOFINEBSEF-S BALSA 4AR /IfJJBROS 3D5 DIASMOOTH CONTOUR ance Though finished markings particular aircraft does carry JAGDESCHWADER 54 GRUNHERZ signia green heart GRUNHERZ GESCHWADER emblem shield cowl Gruppen insig nia Photographs markings both FW- 190s BF- 109s quite common aircraft history books youve ever built Old-Timer sticktype model constructing Wurger shouldnt bring unwelcome surprises Before begin however study plans thoroughly acquaint yourself design Wing Build left right panels over plans gluing ribs R-4 through R-1 1 bottom front 14-in spar rear Wing structure basically semi-symmet rical airfoil four spars sheeted LE %z brass torque tube actuates ailerons NOTE RIBS ARE ALL Si 1/16 B 1/4 3/B BALSA WINS TIPS H-H R-N B-IS______________________________ RTI -FW BLACK~ WHIT SCRAPBALSA PILL AILERON I/S BALSATTPICAL SOSSETLOCATISE 16PLY DIHEDRALFLYINS S BHACESRINSES S STEEL P1 5/16 DOWELPOINTS -ThI 3/16 50 SPRUCE I/H SO SPRLCE-SPARS SPARS TRIM SOT FORR-2 SETRACS-F 1/161 1/ISBALSA SHEETING _ ---BALSA TE R-3 COT SOT FOSI/IH BALD RETR L ~SHEET R4 -N li R-5 76-U I/IS BALDA-R-6 SHEET --R7 CAP STRIP 3/BBALSAR-8 LEASING EDGEIJZ5/163/B BALSA -R-IO 1/16 BALSA SHEETR-II3A-in ones sure spar material ar row straight Plywood ribs R-4 R-5 may need modified accept retracts other used made B&D Glue top front rear spars Glue leading edge ribs R-3 R 11 trailing edge R- 1 R-7 Add trailing edge aileron spar re lated pieces detail refer cross section rib R-8 shown plans Join left right wing panels front rear plywood dihedral braces Once glue dry add center rib R 1 ribs 2 3 Finish general wing framing adding top center-section sheeting leading trailing edge pieces per plans Youre ready install retracts servos Work out retract locations operations establish retract servo location its linkage Determine set up aileron servo location same torque tube linkage operation works satisfactorily finish undone sheeting such top bottom leading edge Line wheel wells soft Il Tail surface group Note use Robart Hinge Points Balsa blocks glued spars give hinges area adhesion Tail surface leading edges rounded give sealed joint effect Tail wheel bracket cut sheet brass silver soldered joints 30 Model Aviation Full-Size Plans Available. See Page 164 BD MECHANICAL 85 RETR4CTS NOTE 1/16 BALSA TOP SHEETING1/16 PLY-WITH 3-I/H WILLIAMS BROs SMOOTh3/BBALSA SHEET NOT SI-IOWN FOR CLARITYLEADING EDGE BHO R-5 [v32][b-1-10-1-10]]SO SO B-IS -1 TY~J EROS 7S 505 PLY DIHEDRAL3/16 50STRIPS 1/6 BALSABRACE WEBS- V ERT BAOOI S rT- SPOT SLOE SM/ ANTOPVIEWDOWEL 10 RETAIN/16 BALSA VIRBALSA TOD TORQUE ROD -SERT IDRAIN -- -Th-WY TI Ii-[YS/IC SRAR SURE EILERON TORQUE TUBES'- 2SBYJRESlICE BUSHINGSSPASER V iEE DETAIL /16 PLY T ECENTER SOLIDBALSA WESOESIIIIE~ -" SECTION-BOTTOM ONLYTO PRESET CRUOHIBA VERTICAL GRAIN t/L3BESSO SORNBE 3/36AC BAING SADDLE B FILLET BASE VR PLY REARTOREURSOBRASS 5/52 GA BRASS DIHEDRAL BRACEIL B N TSR UEPRIIS NOB AlL3/64 PLY S REQUIRED -TOPSPARTOPOPAR H-RBH-SRIORI hOER SOIXWR-OH-SH-AH-H 0/52 016- ' OMRETRACT V4SO SPRUcE FRONT VIEW WING S IA TOP 8HCPLYROOODIHEDRAL EACH LS PLY FRONTI NOT OHS NI/B BALSA DIHEDRAL BRACE ZL#L#roP--79 REAR NMO TS I/H PLYWOOD 2 REQUIRED HR-O TOP MAIB SPAR BOTTOM MAN SPAR V16 PLYWOOD 3/A PLYWOOD RETRACT MOUNT MOUNTINGBlURT WING LOCATIONS- HOLLOW OUT 1/16 PLYSLIGHTLY FOB4S.3/16 PLYWOOD LA SOOR-LG STRUT I/B PLY STIFFENERLEFT OSRUE FOR AIRFOI SRCUT GUT I1A-4L3/I6• PLY LO BOOR CURSED_ TO CONFORM WITH WING BOTTOMNOTE OTHER RETRACT SYSTEMS WILL WHEEL DOORS_____________________ ii VIFw RESGIRE DIFFERENT CUT OUTS ON MOUNTS LG MOUNTS CROSS SECTION3/16 PLY3/DD BALSA TYPICALHORN MORNS TOP BALSAI/B M WSTRIP HINGE LOCATIONI/BBAD BOTTOM SUB RIBS 3/16 3/B BALSA TRAILING EDGE WING LE 3/3D BALSA SHEET I/A A SHEET TIP SIt3B5B SHEET 2 OF 2 MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED S DRAWN BY GARY BROWN ITRACING BY JOE DEMARCO ICI tIltEllS rRPDMrfl 1/16 BALSA SHEET T F OR ATTACHMENT DETAIL 3/32 PLY DIHEDRAL BRACE ---5 9/B oS/B BALSA SPAR yE BALSA SHEET ALERON YE /16 balsa keep dirt oil wing interior Install leading edge wing dowel after covering wing Fuselage Begin assembling /16 x %-in horizontal crutch over plans Cut out formers F-S through F-16 Spot glue six seven balsa scraps across frame hold its shape add form ers sure cut notches plywood formers F-6 F-7 before gluing crutch Glue first last former dry glue remaining formers removing balsa scraps proceed Add top bottom /16 x 3A-in balsa keels Glue /16 cockpit sheeting F-9 F-b F-13 along wing saddles Determine Stringer locations using pins rubberbands secure left right top bottom stringer groups formers Once arranged sym Continued page 126 Bottom side above top side right wing center section 3A ply frame mounts retractable landing gear between two 1As ply ribs Dihedral braces 1A-ln ply BUpport center section July 1988 31 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. P-39 IRA COBRA 55 SPAN. P-51D MUSTANG 54 SPAN C202 FOLGORE 55.. FOCKE WULF 19054 SPAN. WAR II FIGHTER SERIES PHONE 815-459-0417 SHORT KI1S FICWDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED respondl.g advertisers mention read about ModelAviation WANNA RACE LtflDTUAQT AnA BEGINNER RACES r 0-500 -i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 611 528-4043 203 613-2000 beef up structure would add excess weight degrade performance Setup flying youve kept weight down FW-190 will fly very well no bad habits Takeoffs quite straight absolutely no ground looping bit corrective right rudder needed sus pect wide-spaced mains largely re sponsible its good manners ground model will rise-off-ground ROG reaches flying speed eleva tor input Once clears ground little elevator healthy 40 will give good climbout Landings easy man age also Drop gear practice ap proaches gradually slowing accepta ble landing speed Use rudder keep straight slows approach Youll find airplane will slow down nicely out threatening stall first flights followed conven tional practice pairing 10 x 6 prop 40 engine experimentation quickly taught other prop sizes work better model 12 x 4 Zinger seems give best pull 11 x 6 seems bet ter speed moral Experiment different prop diameters pitches aircraft its clean lines easygoing flying disposition FW-190 makes good choice workbench next building season too demanding build very satisfying flying field Radio Technique/Myers Continued page 33 Im ask 2-6 mixer puts flaps opposite elevator like Ukie Stunt model flaps elevator cant imagine youd want flaps going same way elevator unless take care some installation peculiarity reversing switches channels seems redundant 6-2 mixer puts neutral offset el evator channel whether flaps low ered Again strange use elevator trim flaps like trim proportional flap setting Mr Lanterman told mix ers will different soon servo construction looks pretty durable featuring 0-ring-sealed case brass-on-steel bearings critical locations splined shafts output wheels convenient size should adequate planes engines up 60 size though might too big narrrow-fuselage Sailplane like Sagitta realize getting narrowband FM seven-channel system mixing/reversing features four servos Ni-Cds neck strap charger about $165 retail think wont have much excuse hanging onto old set keep trying convert $10 Look way isnt cost radio thats important its cost repairs after crash Hinges/Michaelis Continued page 36 want free stretch Photo 10 tweezers used poke pull hinges through aileron slots Photo 11 / ply strip used ap ply wax just behind slot avoid un wanted bonding Photo 12 moment truth Zap ap plied skin loose hinge end wrapped up against waxed stick under slight tension poised quickly jam down until glue fires much tension case about / right Use sharp blade remove excess hinge material Ap ply bit Zap needed until least bonded Photo 13 aileron spread scraps along hinge line bot tom can accurately positioned glued Photo 14 Depending care mak ing good butt fit hinge line can ex tremely fine Photo 15 shows flap installation Because hinges low such ar rangement full down deflection imparts negligible tension Up flap adds little tension hinges installed sufficient allowance stretch ef fect nominal Photo 16 just include JM Glascraft P-s ls like Penetrator used tip ailerons rubber hinges 128 Model Aviation CENTURY SYSTEMS OZ QUALITY PRODUCTS FROM DOWN UNDER Features snga 04 backup nafety equipment fur RIC modem Helicopter Gyro Fixed Wing Gyro Battery Cyciar Battery Checker Lost Modet Atarm Battery Backer 4 Channai Failsafe 2 Channel Mixer Muiti Charger Field Home Charger Electronic Switch Electronic Speed Control Thermal Cut-Oft Charger Send 01 postage free catalog PO BOx 4085 Costa Mesa Ca 02826 Phone 714 082-2480 DEALERS INOUIRIES WELCOME ZMA Name Street Address City StateZip HOWW BB INTERNATIONAL INC
Edition: Model Aviation - 1988/07
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 126, 128
NO OCR TEXT NO OCR TEXT model also full-size FW-1 90 handles easily ground Takeoffs exhibit no tendency ground loop tad right rudder needed keep rolling straight 190 airplane nicknamed Wurger German Butcher Bird designed around twin-row 14cylinder BMW-139 air-cooled radial en gme first prototype FW-190 VI large ducted spinner same diameter cowling system failed provide adequate cooling just beginning overheating problems plague early Focke-Wulfs fitting subse quent versions powerful BMW-801 twin-row radial conven tional spinner 12-bladed cooling fan right landing gear shown downand-locked position Pushrod Ae music wire makes straight run servo simple gear door fasteners have given no problem Williams Bros 3-in wheels thin enough fit easily wing Tall wheel mount silver soldered sheet brass screwed 3/i ply glued fuselags structure Steering via link rud der horn easier using rudder itself modelworks just well Note single coil bent tail wheel strut Left Retract servo sits inverted ahead aileron servo Ailerons driven via brass music wire torque rods Right Radio installation Battery receiver between formers F7 F9 held place #64 rubberbands music wire hooks Rubberbands also use ful keeping wire harnesses neat place Antenna routed through plastic soda straw conduit glued formers inside fuselage Left B&D retracts shown require pretty much straight push-pull arrangement servo Appropriate ribs cut out lust enough clear wheels landing gear retracted position Wheel wells lined soft sheet balsa fuel-proofed Right Original stallation aK&B 35 shows homemade sheet brass muffler J-Tec in-cowl muffler should work just well plenty room 26 Model Aviation FOCKE-WULF Fw 190-A DESIGNED BY GARY BROWN - SQ 33 X j BALSA KEEL RLS1 1x 3/8 BALSA CLEAR BUThRRTE PY K I6 BALSA CRLJrCI4 - DIR TRILLHEEL - I6 BALSA STRINGERS BALSA SHEET % PLY SA SHEET COLL RINGS 2 iLUIflINUfl SPI NNER $6/ 5OFT BALSR 325DIA WHEEL S 46 BALSA SHEET 45QSPRUCE SPAR BALSA L3E-B - BALSA SHEET tE BRISR RIBS 4x CAPSTRIP N 16 BALSA SHEET TE 16 -A BALSABALSA SI4EE-TL E ING FOR COOLING316 SOCT LINE WITH 1/16F-6POI BALSA SHEET____ / LX 74 PLYWOOD FIR EWALL 1/2 BALSA 4 PESO / 1/2 BALSA ----4 HESS 2 S COWL RINGS I/2 BALSA COWL RINGS F-S 24 4 BALSAII H ROOD 3/R BALSA SHEET rRUDDER LEADING EDGE ENGINE IS 35 TU 45SC TWO CYCLE NO THRUSTBE OFFSETS 1/2 BALSA SHEET COWL RINGS 21/2 DIA SPINNER LU M INOM FROM ACBLEY METAL PROD 7476 RIDDEWAY SRFIL BUENA PARR CA 9G620OF NOTE LAGE MARKINGS ARE FROM JASDGESCHSRASAR 54 GRUN HERD 5/31 MUG FLOOR ROBS FROM F-ID TO F-IS- I/H COCKPIT RBALSA SHEET better ducting overheating condition eventually resolved Although BF-109 remained Ger manys principal fighter throughout World War II FW- 190 became important auxiliary Luftwaffes number tac tical multirole attack aircraft Over course war Wurger equipped wide range armament 79mm MG-17 machine gun 30mm cannons 1000-lb bombs Recognizing exploiting aircrafts versatility Na zis deployed fighter fighter bomber torpedo bomber reconnais sance plane ground support plane used both all-weather night fighter wingspan 34 ft 5 takeoff weight 8000 lb Wurger lighter smaller Allied aircraft contrast P-47D wing span 40 ft 9 weighed 13500 lb takeoff wingspan takeoff weight P-51D 37 ft 10000 lb respectively FW-190 obvi ously diminutive potent bird capable maneuvering best skies over Europe interest Wurger dates trip Smithsonians aircraft restoration Above Air exit duct cowling functional V2-in-dia hole provides access glow plug wing fillet rather small made easily microballoons epoxy Right radio com partment big enough just about system Wing saddles % plywood wing mounts -in plywood clearly visible 28 Model Aviation PS I/H NALSA SECTIONS NOTE GRAIN DIRECTION JL sticks stringers plane could almost pass Comet rubber-powered kit landing gear flying surfaces being fitted before covering painting ii 1/4 BALSA GREET FIN LEASING EDGE GREEN HEARTSI Basic sub-assemblies have completely sanded and made ready covering fuselage wing stab Note vertical fin constructed directly fuselage Full-Size Plans Available. See Page 184 NOTE ALL STRINGERS ARE 3/IHI/B HARD BALSA NOTCH FORMER /5 DEEP TO ALLOW 1116SF STRINGER F-Il_____ TO SHOW ABOVE FORMER- -y--I/IA SHEETING F-br/~ nr T --4 "~-I/1A PLYWOOGI/BBALSA [SHEET I/BBALSA SHEET9 F13 STRINGER LOCATIONS F-7 1/16 PLYWOOD /R BALSA SHEETAl/H BALSA SHEET / 3/VA PLYWOOD -- COWL AIR FLOW DUCT1/4 PLYWOOD APPRUG POSITION OFI/O BALSA U REGOr- -MOUNTSI/H BALSA - SHEET WINS DOWEL DO NOTS/AA PLY CROSSWING SADDLE DOUBLERDRILL UNTIL WINO ISSECTION E SIDE OF 0 READY TO MOUNTI/H PLYWOOJCOOLING DUCT FORI/1A BALSA SHEETING ENGINE N EGHAGGYBETWEEN STRINGERS I/A PLYWOOD3/64 PLYWOOD WING MOUNTS -~ WINDSHIELD E HEADREST 3/IA 3/B BALSA IsNI IF-IA F-17 --V- I-_ /16 BALSA STRIPS ABOUND --VA BALSA GUSSETS T COCKPITFOR FIN -FUSELAGE TOP VIEW3/IA I/A BALSA -CLEARlID BALSA SHEET F-bBUTYRATEHOLLOWEDLGB4INATE JOINTS F-Il CANOPYWITH 3/HA PY 0/64 PLY3/IA 3/B BALSA KEEL EDGE F-BF-BF-ID -- F-IS BATT AREA-IAABALSA - SHEET AIRRECEIVER AREAWRITE GREN tCTSERUOSN I FI5 I/B BALSA SHEET COCKPIT3/IA BALSA STIFFENER I/IA BALSA SHEET MOUNT BETWEEN F-N H F-IS ID REUDI 3/IA BALSAF-IA F-IT 3/IA BALSA SHEET 3/H RALSA N BADGER RIBS GASSETSS/IA 3/IA BOTH SIDESWHITE 93'BALSA 3/IA BALSA -, -- --%TYUYISTAB MOANT'- CSII ' 3/A PLY-BLACK STAB CUTOUT WINS SADDLE-2 0 INCIDENCE S/IA DIA DOWELWINS INCID OP"LAM NATE FROM TWO 3/lAPLY3W N l/D FECES -MOONTTO FIT WIDTH OF 7/B DIA TEMPORARY KEEL/4 PLYI/B 3/IA BALSA3/IA 3/B BALSATAILIAHEEL REMOVE AFTERWINO MUONTSSTRINGERSCRUTCH H KEEL STRINGER INSTALLSOFT RALSA3/3D BALSA FILL BLOCHBETWEEN STRINGERS FUSELAGE SIDE VIEW NOTE LASE IS SHEETED WITH I/IA BALSA FROM F-S TO F-B BOLT PINE BLOCKS FOR HANDLES I/IA 23Z2TW BRASS 030 BRASS - TuBE SHEET TAILIAHEEL MOANT 030 BOTYRATE SHEET/ MALE MOLD'-V/ OF CABOPY PINE IIiiVBLOCKYR RED BUILDAIEOAYIOPT ARiA WITH J/ZIDGEI2WARM MOLD N OVERt DALSKSHEETsIRCALSi IN PLACE3 HEAT BATYRATE SHEET AND CARVE TO SHAPE 4 WHEN SHEELOAREPALL IAIJflGY flETAIINWIAN SR BY S SILVER SOLDER SPECIFICATIONS WINS SPAN5B LENGTHWA ENGINE35 45 D CYCLE WEIGHTS 3D 5-I/D LBS WITH RETRACTSS CHANNELS 5I2045B SHEET IOFZ MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED B DRAWN BY GARY BROWN TRACING BY JOE DEMARCO ALL RIGHTS RESERVED facilities Silver Hill MD friend George Clapp process finaliz ing set superb three-views DH-4 Id traveled him assist taking measurements recently completed ex ample aircraft time several planes undergoing restoration Japanese Nakajima Irving twin engine night fighter early Northrop flying wing FW-190 fascinated small compact size Focke Wulf design always looks much larger photographs Taking time study aircraft intimately began ap preciate its clean functional lines care ful engineering decided begin collection material FW 190 both satisfy own interest basis recreating RC model doing purpose pro duce exact Scale replica suitable Nats competition lightweight semiscale de sign retracts would capable good performance 35 40 en gine Ive flown model weighs 5 lb old K&B 35 have since sub stituted HP 40 improved performLeft Authors canopy molded 030 clear butyrate sheet says works easily Follow directions plan practice several sheets until get good Right B&D 850 retract gear shown gear doors attachments Thin -in ply piece gear door bottom holds door curved shape match airfoil section wheels retracted photographs author July 1988 29 3/IA I/IA BALSA F-BSOFINEBSEF-S BALSA 4AR /IfJJBROS 3D5 DIASMOOTH CONTOUR ance Though finished markings particular aircraft does carry JAGDESCHWADER 54 GRUNHERZ signia green heart GRUNHERZ GESCHWADER emblem shield cowl Gruppen insig nia Photographs markings both FW- 190s BF- 109s quite common aircraft history books youve ever built Old-Timer sticktype model constructing Wurger shouldnt bring unwelcome surprises Before begin however study plans thoroughly acquaint yourself design Wing Build left right panels over plans gluing ribs R-4 through R-1 1 bottom front 14-in spar rear Wing structure basically semi-symmet rical airfoil four spars sheeted LE %z brass torque tube actuates ailerons NOTE RIBS ARE ALL Si 1/16 B 1/4 3/B BALSA WINS TIPS H-H R-N B-IS______________________________ RTI -FW BLACK~ WHIT SCRAPBALSA PILL AILERON I/S BALSATTPICAL SOSSETLOCATISE 16PLY DIHEDRALFLYINS S BHACESRINSES S STEEL P1 5/16 DOWELPOINTS -ThI 3/16 50 SPRUCE I/H SO SPRLCE-SPARS SPARS TRIM SOT FORR-2 SETRACS-F 1/161 1/ISBALSA SHEETING _ ---BALSA TE R-3 COT SOT FOSI/IH BALD RETR L ~SHEET R4 -N li R-5 76-U I/IS BALDA-R-6 SHEET --R7 CAP STRIP 3/BBALSAR-8 LEASING EDGEIJZ5/163/B BALSA -R-IO 1/16 BALSA SHEETR-II3A-in ones sure spar material ar row straight Plywood ribs R-4 R-5 may need modified accept retracts other used made B&D Glue top front rear spars Glue leading edge ribs R-3 R 11 trailing edge R- 1 R-7 Add trailing edge aileron spar re lated pieces detail refer cross section rib R-8 shown plans Join left right wing panels front rear plywood dihedral braces Once glue dry add center rib R 1 ribs 2 3 Finish general wing framing adding top center-section sheeting leading trailing edge pieces per plans Youre ready install retracts servos Work out retract locations operations establish retract servo location its linkage Determine set up aileron servo location same torque tube linkage operation works satisfactorily finish undone sheeting such top bottom leading edge Line wheel wells soft Il Tail surface group Note use Robart Hinge Points Balsa blocks glued spars give hinges area adhesion Tail surface leading edges rounded give sealed joint effect Tail wheel bracket cut sheet brass silver soldered joints 30 Model Aviation Full-Size Plans Available. See Page 164 BD MECHANICAL 85 RETR4CTS NOTE 1/16 BALSA TOP SHEETING1/16 PLY-WITH 3-I/H WILLIAMS BROs SMOOTh3/BBALSA SHEET NOT SI-IOWN FOR CLARITYLEADING EDGE BHO R-5 [v32][b-1-10-1-10]]SO SO B-IS -1 TY~J EROS 7S 505 PLY DIHEDRAL3/16 50STRIPS 1/6 BALSABRACE WEBS- V ERT BAOOI S rT- SPOT SLOE SM/ ANTOPVIEWDOWEL 10 RETAIN/16 BALSA VIRBALSA TOD TORQUE ROD -SERT IDRAIN -- -Th-WY TI Ii-[YS/IC SRAR SURE EILERON TORQUE TUBES'- 2SBYJRESlICE BUSHINGSSPASER V iEE DETAIL /16 PLY T ECENTER SOLIDBALSA WESOESIIIIE~ -" SECTION-BOTTOM ONLYTO PRESET CRUOHIBA VERTICAL GRAIN t/L3BESSO SORNBE 3/36AC BAING SADDLE B FILLET BASE VR PLY REARTOREURSOBRASS 5/52 GA BRASS DIHEDRAL BRACEIL B N TSR UEPRIIS NOB AlL3/64 PLY S REQUIRED -TOPSPARTOPOPAR H-RBH-SRIORI hOER SOIXWR-OH-SH-AH-H 0/52 016- ' OMRETRACT V4SO SPRUcE FRONT VIEW WING S IA TOP 8HCPLYROOODIHEDRAL EACH LS PLY FRONTI NOT OHS NI/B BALSA DIHEDRAL BRACE ZL#L#roP--79 REAR NMO TS I/H PLYWOOD 2 REQUIRED HR-O TOP MAIB SPAR BOTTOM MAN SPAR V16 PLYWOOD 3/A PLYWOOD RETRACT MOUNT MOUNTINGBlURT WING LOCATIONS- HOLLOW OUT 1/16 PLYSLIGHTLY FOB4S.3/16 PLYWOOD LA SOOR-LG STRUT I/B PLY STIFFENERLEFT OSRUE FOR AIRFOI SRCUT GUT I1A-4L3/I6• PLY LO BOOR CURSED_ TO CONFORM WITH WING BOTTOMNOTE OTHER RETRACT SYSTEMS WILL WHEEL DOORS_____________________ ii VIFw RESGIRE DIFFERENT CUT OUTS ON MOUNTS LG MOUNTS CROSS SECTION3/16 PLY3/DD BALSA TYPICALHORN MORNS TOP BALSAI/B M WSTRIP HINGE LOCATIONI/BBAD BOTTOM SUB RIBS 3/16 3/B BALSA TRAILING EDGE WING LE 3/3D BALSA SHEET I/A A SHEET TIP SIt3B5B SHEET 2 OF 2 MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED S DRAWN BY GARY BROWN ITRACING BY JOE DEMARCO ICI tIltEllS rRPDMrfl 1/16 BALSA SHEET T F OR ATTACHMENT DETAIL 3/32 PLY DIHEDRAL BRACE ---5 9/B oS/B BALSA SPAR yE BALSA SHEET ALERON YE /16 balsa keep dirt oil wing interior Install leading edge wing dowel after covering wing Fuselage Begin assembling /16 x %-in horizontal crutch over plans Cut out formers F-S through F-16 Spot glue six seven balsa scraps across frame hold its shape add form ers sure cut notches plywood formers F-6 F-7 before gluing crutch Glue first last former dry glue remaining formers removing balsa scraps proceed Add top bottom /16 x 3A-in balsa keels Glue /16 cockpit sheeting F-9 F-b F-13 along wing saddles Determine Stringer locations using pins rubberbands secure left right top bottom stringer groups formers Once arranged sym Continued page 126 Bottom side above top side right wing center section 3A ply frame mounts retractable landing gear between two 1As ply ribs Dihedral braces 1A-ln ply BUpport center section July 1988 31 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. P-39 IRA COBRA 55 SPAN. P-51D MUSTANG 54 SPAN C202 FOLGORE 55.. FOCKE WULF 19054 SPAN. WAR II FIGHTER SERIES PHONE 815-459-0417 SHORT KI1S FICWDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED respondl.g advertisers mention read about ModelAviation WANNA RACE LtflDTUAQT AnA BEGINNER RACES r 0-500 -i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 611 528-4043 203 613-2000 beef up structure would add excess weight degrade performance Setup flying youve kept weight down FW-190 will fly very well no bad habits Takeoffs quite straight absolutely no ground looping bit corrective right rudder needed sus pect wide-spaced mains largely re sponsible its good manners ground model will rise-off-ground ROG reaches flying speed eleva tor input Once clears ground little elevator healthy 40 will give good climbout Landings easy man age also Drop gear practice ap proaches gradually slowing accepta ble landing speed Use rudder keep straight slows approach Youll find airplane will slow down nicely out threatening stall first flights followed conven tional practice pairing 10 x 6 prop 40 engine experimentation quickly taught other prop sizes work better model 12 x 4 Zinger seems give best pull 11 x 6 seems bet ter speed moral Experiment different prop diameters pitches aircraft its clean lines easygoing flying disposition FW-190 makes good choice workbench next building season too demanding build very satisfying flying field Radio Technique/Myers Continued page 33 Im ask 2-6 mixer puts flaps opposite elevator like Ukie Stunt model flaps elevator cant imagine youd want flaps going same way elevator unless take care some installation peculiarity reversing switches channels seems redundant 6-2 mixer puts neutral offset el evator channel whether flaps low ered Again strange use elevator trim flaps like trim proportional flap setting Mr Lanterman told mix ers will different soon servo construction looks pretty durable featuring 0-ring-sealed case brass-on-steel bearings critical locations splined shafts output wheels convenient size should adequate planes engines up 60 size though might too big narrrow-fuselage Sailplane like Sagitta realize getting narrowband FM seven-channel system mixing/reversing features four servos Ni-Cds neck strap charger about $165 retail think wont have much excuse hanging onto old set keep trying convert $10 Look way isnt cost radio thats important its cost repairs after crash Hinges/Michaelis Continued page 36 want free stretch Photo 10 tweezers used poke pull hinges through aileron slots Photo 11 / ply strip used ap ply wax just behind slot avoid un wanted bonding Photo 12 moment truth Zap ap plied skin loose hinge end wrapped up against waxed stick under slight tension poised quickly jam down until glue fires much tension case about / right Use sharp blade remove excess hinge material Ap ply bit Zap needed until least bonded Photo 13 aileron spread scraps along hinge line bot tom can accurately positioned glued Photo 14 Depending care mak ing good butt fit hinge line can ex tremely fine Photo 15 shows flap installation Because hinges low such ar rangement full down deflection imparts negligible tension Up flap adds little tension hinges installed sufficient allowance stretch ef fect nominal Photo 16 just include JM Glascraft P-s ls like Penetrator used tip ailerons rubber hinges 128 Model Aviation CENTURY SYSTEMS OZ QUALITY PRODUCTS FROM DOWN UNDER Features snga 04 backup nafety equipment fur RIC modem Helicopter Gyro Fixed Wing Gyro Battery Cyciar Battery Checker Lost Modet Atarm Battery Backer 4 Channai Failsafe 2 Channel Mixer Muiti Charger Field Home Charger Electronic Switch Electronic Speed Control Thermal Cut-Oft Charger Send 01 postage free catalog PO BOx 4085 Costa Mesa Ca 02826 Phone 714 082-2480 DEALERS INOUIRIES WELCOME ZMA Name Street Address City StateZip HOWW BB INTERNATIONAL INC
Edition: Model Aviation - 1988/07
Page Numbers: 24, 25, 26, 27, 28, 29, 30, 31, 126, 128
NO OCR TEXT NO OCR TEXT model also full-size FW-1 90 handles easily ground Takeoffs exhibit no tendency ground loop tad right rudder needed keep rolling straight 190 airplane nicknamed Wurger German Butcher Bird designed around twin-row 14cylinder BMW-139 air-cooled radial en gme first prototype FW-190 VI large ducted spinner same diameter cowling system failed provide adequate cooling just beginning overheating problems plague early Focke-Wulfs fitting subse quent versions powerful BMW-801 twin-row radial conven tional spinner 12-bladed cooling fan right landing gear shown downand-locked position Pushrod Ae music wire makes straight run servo simple gear door fasteners have given no problem Williams Bros 3-in wheels thin enough fit easily wing Tall wheel mount silver soldered sheet brass screwed 3/i ply glued fuselags structure Steering via link rud der horn easier using rudder itself modelworks just well Note single coil bent tail wheel strut Left Retract servo sits inverted ahead aileron servo Ailerons driven via brass music wire torque rods Right Radio installation Battery receiver between formers F7 F9 held place #64 rubberbands music wire hooks Rubberbands also use ful keeping wire harnesses neat place Antenna routed through plastic soda straw conduit glued formers inside fuselage Left B&D retracts shown require pretty much straight push-pull arrangement servo Appropriate ribs cut out lust enough clear wheels landing gear retracted position Wheel wells lined soft sheet balsa fuel-proofed Right Original stallation aK&B 35 shows homemade sheet brass muffler J-Tec in-cowl muffler should work just well plenty room 26 Model Aviation FOCKE-WULF Fw 190-A DESIGNED BY GARY BROWN - SQ 33 X j BALSA KEEL RLS1 1x 3/8 BALSA CLEAR BUThRRTE PY K I6 BALSA CRLJrCI4 - DIR TRILLHEEL - I6 BALSA STRINGERS BALSA SHEET % PLY SA SHEET COLL RINGS 2 iLUIflINUfl SPI NNER $6/ 5OFT BALSR 325DIA WHEEL S 46 BALSA SHEET 45QSPRUCE SPAR BALSA L3E-B - BALSA SHEET tE BRISR RIBS 4x CAPSTRIP N 16 BALSA SHEET TE 16 -A BALSABALSA SI4EE-TL E ING FOR COOLING316 SOCT LINE WITH 1/16F-6POI BALSA SHEET____ / LX 74 PLYWOOD FIR EWALL 1/2 BALSA 4 PESO / 1/2 BALSA ----4 HESS 2 S COWL RINGS I/2 BALSA COWL RINGS F-S 24 4 BALSAII H ROOD 3/R BALSA SHEET rRUDDER LEADING EDGE ENGINE IS 35 TU 45SC TWO CYCLE NO THRUSTBE OFFSETS 1/2 BALSA SHEET COWL RINGS 21/2 DIA SPINNER LU M INOM FROM ACBLEY METAL PROD 7476 RIDDEWAY SRFIL BUENA PARR CA 9G620OF NOTE LAGE MARKINGS ARE FROM JASDGESCHSRASAR 54 GRUN HERD 5/31 MUG FLOOR ROBS FROM F-ID TO F-IS- I/H COCKPIT RBALSA SHEET better ducting overheating condition eventually resolved Although BF-109 remained Ger manys principal fighter throughout World War II FW- 190 became important auxiliary Luftwaffes number tac tical multirole attack aircraft Over course war Wurger equipped wide range armament 79mm MG-17 machine gun 30mm cannons 1000-lb bombs Recognizing exploiting aircrafts versatility Na zis deployed fighter fighter bomber torpedo bomber reconnais sance plane ground support plane used both all-weather night fighter wingspan 34 ft 5 takeoff weight 8000 lb Wurger lighter smaller Allied aircraft contrast P-47D wing span 40 ft 9 weighed 13500 lb takeoff wingspan takeoff weight P-51D 37 ft 10000 lb respectively FW-190 obvi ously diminutive potent bird capable maneuvering best skies over Europe interest Wurger dates trip Smithsonians aircraft restoration Above Air exit duct cowling functional V2-in-dia hole provides access glow plug wing fillet rather small made easily microballoons epoxy Right radio com partment big enough just about system Wing saddles % plywood wing mounts -in plywood clearly visible 28 Model Aviation PS I/H NALSA SECTIONS NOTE GRAIN DIRECTION JL sticks stringers plane could almost pass Comet rubber-powered kit landing gear flying surfaces being fitted before covering painting ii 1/4 BALSA GREET FIN LEASING EDGE GREEN HEARTSI Basic sub-assemblies have completely sanded and made ready covering fuselage wing stab Note vertical fin constructed directly fuselage Full-Size Plans Available. See Page 184 NOTE ALL STRINGERS ARE 3/IHI/B HARD BALSA NOTCH FORMER /5 DEEP TO ALLOW 1116SF STRINGER F-Il_____ TO SHOW ABOVE FORMER- -y--I/IA SHEETING F-br/~ nr T --4 "~-I/1A PLYWOOGI/BBALSA [SHEET I/BBALSA SHEET9 F13 STRINGER LOCATIONS F-7 1/16 PLYWOOD /R BALSA SHEETAl/H BALSA SHEET / 3/VA PLYWOOD -- COWL AIR FLOW DUCT1/4 PLYWOOD APPRUG POSITION OFI/O BALSA U REGOr- -MOUNTSI/H BALSA - SHEET WINS DOWEL DO NOTS/AA PLY CROSSWING SADDLE DOUBLERDRILL UNTIL WINO ISSECTION E SIDE OF 0 READY TO MOUNTI/H PLYWOOJCOOLING DUCT FORI/1A BALSA SHEETING ENGINE N EGHAGGYBETWEEN STRINGERS I/A PLYWOOD3/64 PLYWOOD WING MOUNTS -~ WINDSHIELD E HEADREST 3/IA 3/B BALSA IsNI IF-IA F-17 --V- I-_ /16 BALSA STRIPS ABOUND --VA BALSA GUSSETS T COCKPITFOR FIN -FUSELAGE TOP VIEW3/IA I/A BALSA -CLEARlID BALSA SHEET F-bBUTYRATEHOLLOWEDLGB4INATE JOINTS F-Il CANOPYWITH 3/HA PY 0/64 PLY3/IA 3/B BALSA KEEL EDGE F-BF-BF-ID -- F-IS BATT AREA-IAABALSA - SHEET AIRRECEIVER AREAWRITE GREN tCTSERUOSN I FI5 I/B BALSA SHEET COCKPIT3/IA BALSA STIFFENER I/IA BALSA SHEET MOUNT BETWEEN F-N H F-IS ID REUDI 3/IA BALSAF-IA F-IT 3/IA BALSA SHEET 3/H RALSA N BADGER RIBS GASSETSS/IA 3/IA BOTH SIDESWHITE 93'BALSA 3/IA BALSA -, -- --%TYUYISTAB MOANT'- CSII ' 3/A PLY-BLACK STAB CUTOUT WINS SADDLE-2 0 INCIDENCE S/IA DIA DOWELWINS INCID OP"LAM NATE FROM TWO 3/lAPLY3W N l/D FECES -MOONTTO FIT WIDTH OF 7/B DIA TEMPORARY KEEL/4 PLYI/B 3/IA BALSA3/IA 3/B BALSATAILIAHEEL REMOVE AFTERWINO MUONTSSTRINGERSCRUTCH H KEEL STRINGER INSTALLSOFT RALSA3/3D BALSA FILL BLOCHBETWEEN STRINGERS FUSELAGE SIDE VIEW NOTE LASE IS SHEETED WITH I/IA BALSA FROM F-S TO F-B BOLT PINE BLOCKS FOR HANDLES I/IA 23Z2TW BRASS 030 BRASS - TuBE SHEET TAILIAHEEL MOANT 030 BOTYRATE SHEET/ MALE MOLD'-V/ OF CABOPY PINE IIiiVBLOCKYR RED BUILDAIEOAYIOPT ARiA WITH J/ZIDGEI2WARM MOLD N OVERt DALSKSHEETsIRCALSi IN PLACE3 HEAT BATYRATE SHEET AND CARVE TO SHAPE 4 WHEN SHEELOAREPALL IAIJflGY flETAIINWIAN SR BY S SILVER SOLDER SPECIFICATIONS WINS SPAN5B LENGTHWA ENGINE35 45 D CYCLE WEIGHTS 3D 5-I/D LBS WITH RETRACTSS CHANNELS 5I2045B SHEET IOFZ MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED B DRAWN BY GARY BROWN TRACING BY JOE DEMARCO ALL RIGHTS RESERVED facilities Silver Hill MD friend George Clapp process finaliz ing set superb three-views DH-4 Id traveled him assist taking measurements recently completed ex ample aircraft time several planes undergoing restoration Japanese Nakajima Irving twin engine night fighter early Northrop flying wing FW-190 fascinated small compact size Focke Wulf design always looks much larger photographs Taking time study aircraft intimately began ap preciate its clean functional lines care ful engineering decided begin collection material FW 190 both satisfy own interest basis recreating RC model doing purpose pro duce exact Scale replica suitable Nats competition lightweight semiscale de sign retracts would capable good performance 35 40 en gine Ive flown model weighs 5 lb old K&B 35 have since sub stituted HP 40 improved performLeft Authors canopy molded 030 clear butyrate sheet says works easily Follow directions plan practice several sheets until get good Right B&D 850 retract gear shown gear doors attachments Thin -in ply piece gear door bottom holds door curved shape match airfoil section wheels retracted photographs author July 1988 29 3/IA I/IA BALSA F-BSOFINEBSEF-S BALSA 4AR /IfJJBROS 3D5 DIASMOOTH CONTOUR ance Though finished markings particular aircraft does carry JAGDESCHWADER 54 GRUNHERZ signia green heart GRUNHERZ GESCHWADER emblem shield cowl Gruppen insig nia Photographs markings both FW- 190s BF- 109s quite common aircraft history books youve ever built Old-Timer sticktype model constructing Wurger shouldnt bring unwelcome surprises Before begin however study plans thoroughly acquaint yourself design Wing Build left right panels over plans gluing ribs R-4 through R-1 1 bottom front 14-in spar rear Wing structure basically semi-symmet rical airfoil four spars sheeted LE %z brass torque tube actuates ailerons NOTE RIBS ARE ALL Si 1/16 B 1/4 3/B BALSA WINS TIPS H-H R-N B-IS______________________________ RTI -FW BLACK~ WHIT SCRAPBALSA PILL AILERON I/S BALSATTPICAL SOSSETLOCATISE 16PLY DIHEDRALFLYINS S BHACESRINSES S STEEL P1 5/16 DOWELPOINTS -ThI 3/16 50 SPRUCE I/H SO SPRLCE-SPARS SPARS TRIM SOT FORR-2 SETRACS-F 1/161 1/ISBALSA SHEETING _ ---BALSA TE R-3 COT SOT FOSI/IH BALD RETR L ~SHEET R4 -N li R-5 76-U I/IS BALDA-R-6 SHEET --R7 CAP STRIP 3/BBALSAR-8 LEASING EDGEIJZ5/163/B BALSA -R-IO 1/16 BALSA SHEETR-II3A-in ones sure spar material ar row straight Plywood ribs R-4 R-5 may need modified accept retracts other used made B&D Glue top front rear spars Glue leading edge ribs R-3 R 11 trailing edge R- 1 R-7 Add trailing edge aileron spar re lated pieces detail refer cross section rib R-8 shown plans Join left right wing panels front rear plywood dihedral braces Once glue dry add center rib R 1 ribs 2 3 Finish general wing framing adding top center-section sheeting leading trailing edge pieces per plans Youre ready install retracts servos Work out retract locations operations establish retract servo location its linkage Determine set up aileron servo location same torque tube linkage operation works satisfactorily finish undone sheeting such top bottom leading edge Line wheel wells soft Il Tail surface group Note use Robart Hinge Points Balsa blocks glued spars give hinges area adhesion Tail surface leading edges rounded give sealed joint effect Tail wheel bracket cut sheet brass silver soldered joints 30 Model Aviation Full-Size Plans Available. See Page 164 BD MECHANICAL 85 RETR4CTS NOTE 1/16 BALSA TOP SHEETING1/16 PLY-WITH 3-I/H WILLIAMS BROs SMOOTh3/BBALSA SHEET NOT SI-IOWN FOR CLARITYLEADING EDGE BHO R-5 [v32][b-1-10-1-10]]SO SO B-IS -1 TY~J EROS 7S 505 PLY DIHEDRAL3/16 50STRIPS 1/6 BALSABRACE WEBS- V ERT BAOOI S rT- SPOT SLOE SM/ ANTOPVIEWDOWEL 10 RETAIN/16 BALSA VIRBALSA TOD TORQUE ROD -SERT IDRAIN -- -Th-WY TI Ii-[YS/IC SRAR SURE EILERON TORQUE TUBES'- 2SBYJRESlICE BUSHINGSSPASER V iEE DETAIL /16 PLY T ECENTER SOLIDBALSA WESOESIIIIE~ -" SECTION-BOTTOM ONLYTO PRESET CRUOHIBA VERTICAL GRAIN t/L3BESSO SORNBE 3/36AC BAING SADDLE B FILLET BASE VR PLY REARTOREURSOBRASS 5/52 GA BRASS DIHEDRAL BRACEIL B N TSR UEPRIIS NOB AlL3/64 PLY S REQUIRED -TOPSPARTOPOPAR H-RBH-SRIORI hOER SOIXWR-OH-SH-AH-H 0/52 016- ' OMRETRACT V4SO SPRUcE FRONT VIEW WING S IA TOP 8HCPLYROOODIHEDRAL EACH LS PLY FRONTI NOT OHS NI/B BALSA DIHEDRAL BRACE ZL#L#roP--79 REAR NMO TS I/H PLYWOOD 2 REQUIRED HR-O TOP MAIB SPAR BOTTOM MAN SPAR V16 PLYWOOD 3/A PLYWOOD RETRACT MOUNT MOUNTINGBlURT WING LOCATIONS- HOLLOW OUT 1/16 PLYSLIGHTLY FOB4S.3/16 PLYWOOD LA SOOR-LG STRUT I/B PLY STIFFENERLEFT OSRUE FOR AIRFOI SRCUT GUT I1A-4L3/I6• PLY LO BOOR CURSED_ TO CONFORM WITH WING BOTTOMNOTE OTHER RETRACT SYSTEMS WILL WHEEL DOORS_____________________ ii VIFw RESGIRE DIFFERENT CUT OUTS ON MOUNTS LG MOUNTS CROSS SECTION3/16 PLY3/DD BALSA TYPICALHORN MORNS TOP BALSAI/B M WSTRIP HINGE LOCATIONI/BBAD BOTTOM SUB RIBS 3/16 3/B BALSA TRAILING EDGE WING LE 3/3D BALSA SHEET I/A A SHEET TIP SIt3B5B SHEET 2 OF 2 MODEL AVIATION FOCKE-WULF Fw 190-A DESIGNED S DRAWN BY GARY BROWN ITRACING BY JOE DEMARCO ICI tIltEllS rRPDMrfl 1/16 BALSA SHEET T F OR ATTACHMENT DETAIL 3/32 PLY DIHEDRAL BRACE ---5 9/B oS/B BALSA SPAR yE BALSA SHEET ALERON YE /16 balsa keep dirt oil wing interior Install leading edge wing dowel after covering wing Fuselage Begin assembling /16 x %-in horizontal crutch over plans Cut out formers F-S through F-16 Spot glue six seven balsa scraps across frame hold its shape add form ers sure cut notches plywood formers F-6 F-7 before gluing crutch Glue first last former dry glue remaining formers removing balsa scraps proceed Add top bottom /16 x 3A-in balsa keels Glue /16 cockpit sheeting F-9 F-b F-13 along wing saddles Determine Stringer locations using pins rubberbands secure left right top bottom stringer groups formers Once arranged sym Continued page 126 Bottom side above top side right wing center section 3A ply frame mounts retractable landing gear between two 1As ply ribs Dihedral braces 1A-ln ply BUpport center section July 1988 31 8$444 MEG RADIO CONTROL SHORT KITS FOR 25 TO 45 ENGINES VISIT OUR OUTLET STORE AT 15 MORGAN STREET IN CRYSTAL LAKE IL QUALITY PRODUCTS SINCE 1q64 THESE TWINS HAVE BEEN DESIGNED BY NATIONALS CHAMPION HAL PARENII AND REFLECT HIGH CALIBER OF MODEL ENGINEERING THAT/S HARD TO BEAT AS WITH ALL OF OUR SHORT KITS THEY ARE BUILTAROUND FOAM CORE WING AND BOX FRAME FUSELAGE FOR SIMPLE BUT STURDY CONSTRUCTION THE SPECIALLY DESIGNED AIRFOILS AND GENEROUS TAIL AREAS GIVE THEM OUTSTANDING FLIGHTPERFORMANCE THROUGH OUT THE ENTIRE SPEED RANGE NEW P-33 LIGHTNING TWIN 706495 A-26 INVADER TWIN 685495 ORDERINGSENDCHECKORMONEYORDERFORREOUIREDAMOUNT PLUS450 PER KIT CANADIANS ADD 650 TO WING MEG PO BOX 33 CRYSTAL LAKE 1L60014 ILLINOIS RESIDENTS ADD 64% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND 350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM WING CORES ACCESSORIES KITS TOOLS AND MUCH MORE Safety/Preston Continued page 22 mended advisable maintain relative humidity 55% working environment Upon checking relative humidity elec tronics assembly area pirint found below between 30% 40% Installation hu midifiers enabled operStives continue work ssme materials further skin complaints Reports skin irritation resulting use cyanoacrylate glue build models appear fewer reports irritation respira tory tract could mean two things Either likelihood experiencing skin irrita tion due CyA vapors small model ers work environment over 55% rel ative humidity see two messages Contact Dermatitis article should aware First have experienced itching skin try raising relative humidity work shop Second habit tack glu ing components CyA prior making sol der joint avoid breathing fumes result apply soldering iron Ive seen number articles received sev eral letters hinted cyanide gas may present vapor results CyA polym erizes Some suggested use baking soda fill poorly made joint can cause release cyanide gas reports false Similarly allegations CyA may carcin ogen also groundless Studies have con ducted cyanoacrylate orally adminis tered albino rats establish its toxicity showed considered toxic substance defined requirements Federal Hazard ous Substances Act other words despite fact may cause temporary irritation respiratory tract cyanoacrylate appears less hazard health number other materials use pursuit hobby Use common sense shouldnt experience problems FW-1 90/Brown Continued page 31 metrical evenly spaced pattern mark stringer location former remov ing stringers notch formers formers notched begin glu ing stringers alternating sides pre vent warping structure Add cowl ing rings forward fuselage sheeting sure include cooling duct scale location right side fuselage exits hot air cowl also provides outlet muffler ex haust wing fillets FW-190 rather modest makes easier job formed epoxy microbal loons rear wing bolt mounts A-in plywood drilled threaded fit standard A-in nylon wing bolts Epoxy wing saddles former F- 11 final framework consists stabi lizer fin rudder simple structures built over plans covered glued hinged place excep tion fin constructed right fuselage after former F-16 attached woodworking done before covering like trial fit hard ware engine tank radio servos landing gear movable surfaces etc Once know everything fits properly model ready covering Forming canopy very simply done stretching heated 030 butyrate over male mold canopy Follow direc tions plans buy four five sheets material practice really difficult operation Im sure youll pleased results Robart hinge points used hinging easier use provide scalelike hinge joint addition being better looking gapless hinges said effective com parison some other models does seem true As flying surface movements start following dimen sions Ailerons % up /i6 down eleva tor % up /6 down rudder right balance point shown plans add / up trim elevator first flights addition above movements mount engine first screw Kraft-type mount attach muffler bolt entire assembly firewall 4-40 bolts blind nuts engine mount will fit easily through front cowl eliminating need hatch muffler in-cowl type fabricated sheet brass silver solder ing pieces together dont care home-brew mufflers J-Tec in-cowl muf flers should work very well plenty room inside cowling Dont forget fuel proof usual areas before covering did cowling inte rior engine compartment rear firewall fuel tank area engine cooling duct Thinned epoxy glue poly ester resin works well prefer install landing gear re tracts standard off-the-shelf fixed-wire gear grooved wood blocks can substi tuted Just remember mount blocks /iS plywood ribs As noted plans used B&D mechanical retracts conjunction Futaba FPS-8 retract servo combination makes strong reliable system Smooth contour wheels 3 A-in dia Williams Bros nar row enough fit inside wing proper landing gear angle covering Wurger dictum Keep light goes thing else model As long choice covering material yours used Super MonoKote both cov ering markings Epoxy paint used nose model should weigh about five pounds ready fly Dont tempted 126 Model Aviation AGM2 ZERO 54 SPAN P-40 TOMA HA WK 55 SPAN. P-39 IRA COBRA 55 SPAN. P-51D MUSTANG 54 SPAN C202 FOLGORE 55.. FOCKE WULF 19054 SPAN. WAR II FIGHTER SERIES PHONE 815-459-0417 SHORT KI1S FICWDE WING CORES CANOPIES COWLS PLANS ENGINE MOUNTS FIRE WALLS MOLDED MISC PARTS SHORT HARDWARE PACKAGE AND MATERIALS LIST FOR ADDITIONAL BALSA AND HARDWARE NEEDED respondl.g advertisers mention read about ModelAviation WANNA RACE LtflDTUAQT AnA BEGINNER RACES r 0-500 -i * FAI Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION 119 DEAN AVEFRANKLIN MASS 02038 Tel 611 528-4043 203 613-2000 beef up structure would add excess weight degrade performance Setup flying youve kept weight down FW-190 will fly very well no bad habits Takeoffs quite straight absolutely no ground looping bit corrective right rudder needed sus pect wide-spaced mains largely re sponsible its good manners ground model will rise-off-ground ROG reaches flying speed eleva tor input Once clears ground little elevator healthy 40 will give good climbout Landings easy man age also Drop gear practice ap proaches gradually slowing accepta ble landing speed Use rudder keep straight slows approach Youll find airplane will slow down nicely out threatening stall first flights followed conven tional practice pairing 10 x 6 prop 40 engine experimentation quickly taught other prop sizes work better model 12 x 4 Zinger seems give best pull 11 x 6 seems bet ter speed moral Experiment different prop diameters pitches aircraft its clean lines easygoing flying disposition FW-190 makes good choice workbench next building season too demanding build very satisfying flying field Radio Technique/Myers Continued page 33 Im ask 2-6 mixer puts flaps opposite elevator like Ukie Stunt model flaps elevator cant imagine youd want flaps going same way elevator unless take care some installation peculiarity reversing switches channels seems redundant 6-2 mixer puts neutral offset el evator channel whether flaps low ered Again strange use elevator trim flaps like trim proportional flap setting Mr Lanterman told mix ers will different soon servo construction looks pretty durable featuring 0-ring-sealed case brass-on-steel bearings critical locations splined shafts output wheels convenient size should adequate planes engines up 60 size though might too big narrrow-fuselage Sailplane like Sagitta realize getting narrowband FM seven-channel system mixing/reversing features four servos Ni-Cds neck strap charger about $165 retail think wont have much excuse hanging onto old set keep trying convert $10 Look way isnt cost radio thats important its cost repairs after crash Hinges/Michaelis Continued page 36 want free stretch Photo 10 tweezers used poke pull hinges through aileron slots Photo 11 / ply strip used ap ply wax just behind slot avoid un wanted bonding Photo 12 moment truth Zap ap plied skin loose hinge end wrapped up against waxed stick under slight tension poised quickly jam down until glue fires much tension case about / right Use sharp blade remove excess hinge material Ap ply bit Zap needed until least bonded Photo 13 aileron spread scraps along hinge line bot tom can accurately positioned glued Photo 14 Depending care mak ing good butt fit hinge line can ex tremely fine Photo 15 shows flap installation Because hinges low such ar rangement full down deflection imparts negligible tension Up flap adds little tension hinges installed sufficient allowance stretch ef fect nominal Photo 16 just include JM Glascraft P-s ls like Penetrator used tip ailerons rubber hinges 128 Model Aviation CENTURY SYSTEMS OZ QUALITY PRODUCTS FROM DOWN UNDER Features snga 04 backup nafety equipment fur RIC modem Helicopter Gyro Fixed Wing Gyro Battery Cyciar Battery Checker Lost Modet Atarm Battery Backer 4 Channai Failsafe 2 Channel Mixer Muiti Charger Field Home Charger Electronic Switch Electronic Speed Control Thermal Cut-Oft Charger Send 01 postage free catalog PO BOx 4085 Costa Mesa Ca 02826 Phone 714 082-2480 DEALERS INOUIRIES WELCOME ZMA Name Street Address City StateZip HOWW BB INTERNATIONAL INC