Big picture author hand-launches test flight plane flies large left-hand circles averaging 40 sec 12 strands 3/16In rubber Flight adjustments easyto make thrust line can altered placing balsa acraps behind thrust plate Above two MB-7s built compete 1921 1922 Pulitzer Prize races particular modeled raced 1922 Number 7 Influenced early 1920s racing era models unique wing short fuselage combine make delightful Jumbo Scale rubber-powered project Flight qual ities outstanding U Bill Noonan itaoie ii isr-servic wasscau am4oiiar second i ne i nomas-Morse comp come intrigued exp ostensible successes British Martin syde company Alula wing principle decided incorporate design MB-7 Thomas maintained curious humved ion design butriy 19 thickness chord therebyower oh substantial change basic concept first MB-7 showed promise achiev- ing recorded speed 180 mph before conspi Left This view reveais modeis nice proportions adequate nose/tail moment arms Right simulated wing radiators made patches painted coarse silk cloth Aiieron elevator separations can indicated inked lines airbrushing immediately front cockpit being widest part fuselage Tem porarily clamp tail post together cement crosspieces place Cut remaining crosspieces confirming length checking top view plans Cement crosspieces place aft cockpit checking symmetry go End up cementing tail posts together Carefully cut upper lower lon gerons station front cockpit fine-tooth saw will ease operation Cement front fuselage frames back place noting taper toward nose top view plans Cement crosspieces finish part operation cementing circular nose Bulkhead place top cowl decking carved soft balsa hollowed-out about -in wall thickness makes peculiar transi tion absolutely round nose flat turtleback behind cockpit elements gives MIB-7 its character pays work slowly helpful have side Formers B through E cut out can used check top decking fairs-in nicely fuselage sides Make neces sary modifications Remember sides covered 1/32 sheet balsa back rear wing strut make al lowances fitting side formers Carefully cut cockpit opening top decking maintaining elliptical symme try Cut 1/32 sheet balsa cowl sides slightly oversize Trim fit holding place against fuselage confirm ac curate shape dimensions Cyanoacry late CyA glue works good advantage making final fit Wetting outside 1/32 sheet ammoniaand-water solution makes wood mal leable easier form Cut valve cover assemblies light balsa made carving unit single piece wood separating trailing fairing shown coneshaped leading fairing cut separately grain running vertically along centerline Exhaust collectors cut -in sheet balsa sanded streamline shape cross-over between valve covers soft -in sheet also faired streamline shape Add hard balsa breather pipe top carburetor intake under unit Before adding solid balsa lower cowl ing bend landing gear legs 1/32 wire care can bent single unit Bind crosspieces fuselage wire thread apply cement Rein forcing gussets applied crosspieces contact longerons help resist landing gear shock Cut apiece 045 wire about 7 long spreader bar Solder Vs landing gear legs spreader bar 86 Model Aviation Although short-coupled model exhibits excellent stabIlity tong ianaing gear aiiowa easy ROG launches Stabilizer incidence easily changed shim inserted between fuselage mount stab underside its excellent Jumbo Scale subject ns loca POIHI pIupaI ier maae oy laminating plywood over pitch block Birch dowel hubs Insert spinners brass boss Pins lock blades Lj ccIq 0 flOO Cuq jooiooo b0 sftco~rng rpoket z oc Co __ Cd bLaTHOMASMORSE MB7 oeooow,vIN Full-Size Plans Available. See Page 164 fairing built-up like small wing cemented place over wire Fit -in sheet balsa streamline leg fairings place both ends fit neatly respective contact surfaces 334-in-dia wheels may turned -in balsa two pieces -in sheet laminated right angles purchased commercially streamlined teardrop fairing juncture rear landing gear leg wing strut added after model covered prop unit freewheeling con tained inside hollowed-out balsa spinner Blades two pieces 1/64 ply laminated over pitch block have found type propeller improvement over carved ones main advantages ease replacement broken blades broad latitude pitch selection wellcarved balsa prop better looking may have aerodyamic edge think advantages cited outweigh factors prop boss -in ID brass drilled center accept 1/1 6-in-dia shaft spinner made laminating six pieces hard -in sheet balsa together right angles make 2 x 2 x 1-in cube will allow accurately drill drill press table tunnel brass boss will slip later Drill -in-dia hole through 1in-dimension centerline Insert birch dowel allowing about 2 protrude out side will become back spinner can chucked drill press hand drill spinner can turned lathe Rough-cutting circular shape before turning saves wear tear sandpaper makes operation safer turning sure hole drilled boss large end spinner finished cut off surplus birch dowel carefully cut through spin ner separate disc surrounds boss tube bullet-shaped nose portion Hollow-out nose accom modate freewheeling clutch Insert brass boss tube balsa disc cement place 1/64 circular plywood doubler back unit makes stronger part Bend 1/16-in wire prop shaft accept either bobbin Crockett rubber hook have good luck bobbin utilizing safety latch model powered 12 strands 3/16-in rubber becomes quite handful 900 turns winder bobbin facilitates transfer rubber Left close look Indexing block bobbin full load rubber 900 turns can hard handle bobbin has worked well helping transfer rubber winder prop shaft Right Wings easily removed fixed center section tongue pocket used alignment Rubberbands stretched between hooks wings underside hold panels place October 1985 87 Ii Left The disassembled model easy store transport Wings designed resist damage case OT impact tail sur faces can adjusted easily Right Lightening holes wing ribs lightness key ingredient model fly well can put punching tools made brass tubing Grind sharp cutting edge end tube rotate against wing rib together 1/64 plywood Joiner F Mark off rib positions spar slip ribs place Dont apply cement yet File notches ribs front rear spars leading edge Carefully force sparts place checking assembly symmetrical alignment everything OK apply CyA glue joints Cut trailing edge 3/16 sheet balsa cement place going make wings removable will necessary make tongue pocket parts index wing panels center section pocket made cutting two pieces hard 1/16 sheet balsa framing three edges inserting 3/32 sheet has reduced thickness almost 1/16 just enough oversize allow easy passage 1/16 balsa tongue projects wing panels Cement pockets place shown plans having first determined accurate position slot root rib may prefer cut slot both rib its 1/64 plywood doubler before final installa tion pocket 1/16-in ID aluminum tube set about ling edge allows insertion 1/16in OD allgnment pin keep wing panel correctly aligned center section Cut cabane strut mounts winder prop shaft prop shaft passes through 1/16 ply circular thrust plate right behind spinner assembly accommodates both thrust bearing indexing block cemented back fits snugly rectagular aperture Bulkhead Bend shaft 900 angle front brass boss after slipping small spring serves disengage clutch once rubber unwound Cement hollow spinner back place sure freewheeler works OK Add soft balsa headrest cement plywood tail skid slotted blocjc tail post Drill holes top decking receive bamboo cabane struts have sanded oval cross section cement struts place time Leaving until later facilitates centersection incidence adjustments Wing difficult part unusual Alula wing center section Start cutting ribs Slot receive main spar leave slotting smaller spars until later Make center-section main spar hard 1/16 x -in balsa four pieces make bridge-like part held hard 3/32 sheet balsa drill receive struts Note pieces cemented between Ribs 2 Add small blocks balsa about de Rib 4 along bottom provide base cement wing struts later after model covered strength wing comes primarily 1/32 sheet balsa leading edge carefully bent around airfoil Start cementing straight-grained balsa 1/20 x -in upper spar between Ribs 1 3 Apply solution ammonia water outside sheet draw around ribs same time using CyA glue rib sheet coypring finally cemented lower spar Trim away excess wood Repeat pro cess between Ribs 3 4 Fair sheet ribs produce unbroken airfoil outer wing panels utilize hard 1/16 sheet main spar tapers 11/16 atthe rootto b 9 Markoff rib stations slip ribs place File notches leading edge spars insert place Slip notched trailing edge place Check panel correct alignment sure root ribs panels mate center section proper dihedral Apply CyA joints Continued page 162 88 Model Aviation ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX K AMA Membership143 Ace Radio Control49 Airtronics82-83 Astro Flight1 28 B. Line22 B&B Custom Built Models158 Balsa USA13 Beercan Bombers128 Bergeron Enterprises146 Byron Originals47 CaRa Products152 Carolina-Taffinder156 Johnnie Casburn Mfg138 Chicago Model & Hobby Show145 Cleveland Model & Supply Co151 Eric Clutton163 Condor Trading Co120 Consumers Guide125 Coverite157 Cox Hobbies142 D&D Engineering159 DGA Designs154 Jim Denaro Model Products51 Dougs Hobby Shop148-149 Larry Dodge Aero Inc135 Du-Bro Products Inc11 FAI Model Supply129 FHS Supply Inc4 Fiberglass Master139 Flyline Models157 Fourmost Products146 Fox Mfg53 Futaba Corp America2 Gas Model Products162 Gator RC Products138 Carl Goldberg Models7 Golden Gate Hobbiess3 Gorham Model Products9 Great Planes Model Mfg Co1 1/5-scale B-25 Mitchell bombers squad ron A6M5 Zero fighters P-47 Thunder bolts P-si Mustangs F4U Corsair Stir together add couple manned 1/25-scale M-4 Sherman tanks sea son indescribable pyrotechnics yield extravaganza called Striking Back Jet Rally 85 unqualified success terms exhibiting ducted-fan airplanes modelers public alike equip ment evolving third generation fan units realistic jet performance Historic Aviation21 Hobby Barn122-123 Hobby Capitol Distributors156 Hobby Horn49 Hobby Lobby International150 Hobby World Imports152 Hobbypoxy160 Holleys Silent Flight155 Ikon Northwest Co146 Indy RC Sales Inc130-132 Jeffla Corp147 Jomar125 163 K&BMfg156 K&S Engineering121 Kin Craft159 Knights Air120163 Kraft Systems Inc23 Kustom Kraftsmanship133 L&L Model Products128 Lindsey Micro Products1 Se Lone Star Models43 MACS Products152 Mammoth Scale Plans129 Master Kit144 McDaniel RC Service20 Jim Messers Quality Model Prod142 Micro Mark141 Micro Model Engineering146 Model Magic Products154 Model Rectifier CorpCovers 2 3 Morley USA158 Mutchlers Hobbies126-127 National Soaring Society158 Nor-Ray Products Inc20 North Products149 Nowlen Aero140 Off Ground Models155 PK Products144 Pacer Technology161 levels now achievable Current devel opments directed improving opera bility simplifring usage average RC modeler Ducted-fan technology has matured evidence wide variety models seen future bright can look forward continued events type promote new dimension RC powered flight sincere thanks extended Byron Godbersen able staff worked long hard provide setting hospitality memorable Hal Payne Enterprises152 Peck-Polymers138 Penn Valley Hobby Center158 Pica Products12 Polks Model Craft Hobby24-25 RC Buyers Guide147 RC Novelties22 RC Video Magazine144 R&D Engineering160 RJL Industries142 Radio South135 Repla-Tech International135 RoushMfg134162 SR Batteries139 SachsbyTG140 Sailplanes World124 Satellite City77 Scale Model Research135 Schlueter Free Flight Models162 Shamrock Competition Imports129 Sheldons Hobby Shop8136-137 Sig Mfg Co14-15 159 Simcoe RC Aircraft Co74 Specialty Hardware Co140 St Croix Models20 Standale Aircraft1 34 T&D Fiberglass Specialties124 John Tatone Model Eng Access22 Tatone Products Co121 Texxon Precision Products45 Top Flite Models Inc124 Tower Hobbies153 WE Technical Services6 Williams Bros139 Wilshire Model Center149 Windsor Propeller Co51 Workshop Concepts119 World Hobbies157 World EnginesCover 4 Zenith Aviation PublicationsS events modeling history missed interested please note Jet Rally 86 has already scheduled June 21-22 1986 Ida Grove IA Plan now attend look forward seeing MB-7/Noonan Continued page 88 wing tips made laminating three pieces 1/32 x wood around cardboard form Join part Super sport flier turnaround pattern Balsa & ply construction 70 span 927 sq area 7A -BS lbs$1 j 7612 cu Dealer Inquiry Invited 1728 Sywood SE Canton OH 44707 Send $1 far Catalog 216 484681O RoUSH MFG 162 Model Aviation r Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 02 $995 Giant Kwik Set 6 Minute16 oz$1395 Half FastlOMinutelOoz$895 GMP AIRCRAFT INSTRUMENTS 80in31161143/81/2$ 149 40 3/4 inch $ 149 EASY OFF PULLER proper tool removing drive washersand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OM 45239 513 385-7398 oat dealer ord drect Pout dd $150 [I Schlueter Free Flight Models 3508 Poinsettia Ave Manhattan Beach Co 90266 Dealer Inquiries Invited S PACIFIC ACE BLACK BULLET PARTIAL KITS pIans&printedvod PACIF ACE o SLACIS BULLET 2OS32S30 70 40t665 ADD 5200 SHLPP5G FOR EACH KIT ORDERCA RES ADO 6/ TAX leading edge 1/20 x 3/16 part Cut wing indexing tongues hard 1/16 sheet balsa Hold temporarily place fitting panel against center section checking alignment proper dihedral Cement tongues place Apply 1/32 sheet balsa leading edge same manner done center section will necessary fabricate 1/32 sheet leading edge tip outboard Rib 9 independent unit pinched around laminated part cemented place Add root gusset 1/16 sheet collar surrounding sim ulated control horn horn cemented place after wing covered Trim trailing edge laminated tip fair-in smoothly airfoil After wing covered bend two sets retainer hooks wing set mounted spar other trailing edge underside stretched rubberband holds panels place allows wing give case impact Tail surfaces Both rudder stabil izer built using sprung rib meth od provides lightweight surface very strong Prepare cardboard form 1/16 smaller stabilizer fin used bend two pieces 1/32 x straight-grained basswood forms outlines Soak basswood am monia-water solution about 15 mm rinse thoroughly Apply thin bead white glue between laminations secure two pieces against edges cardboard form Waxing edges parafin childs crayon will make easy remove dry part Allow dry overnight Construction procedure same tail parts Secure laminated frame position over plans Cut position trailing edges Cut fit lower part ribs medium-hard 1/32 sheet balsa parts -in wide lies flat building surface Apply cement parts abut leading trailing edges Cut th spars position ribs over plans Apply cement contact ribs framework Now repeat rib-cutting process top rib parts Carefully position part place Apply CyA glue first trailing edge forcing part down over spars contact point leading edge final result streamline cross section horizontal stab built piece will necessary make tissue tracing half left stab align fuselage centerline upside down get right side horizontal stab has 1/32 sheet center section both top bottom bottom part rests against two 1/16 sheet stabilizer mount parts cemented top longeron entire tail assembly held place rubberbands stretched between 020 wire hooks retainers hooks KNIGHTS AIR y SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping cemented stab spars project down fuselage bottom ends rubberbands drawn through holes wedge-shaped balsa forms tail skid mount Slip bamboo retainer sliv ers place hold rubberbands method mounting tail surfaces allows convenient removal incidence changes Miscellaneous wing struts cut medium grade alsa sanded streamline shape Wire pins end reinforce mounting struts finally cemented place brace wires between struts may made black carpet thread covered model white tissue Peck-Polymers no parGIANT SCALE RETRACTS Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working olco struts Precision machined metal lightweight construction Air/hydraulic controls 13/ 16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $22000 shipping Wheels sold separately ORDER DIRECT ONLY William M Hawke 7148 Lasting Light Way Columbia MD 21045 _______________________301 730-5596 ticularly difficult areas comes covering MB-7 Note underside wing airfoil makes transi tion cambered section center semi-symmetrical tip sure cement tissue cambered portion Shrink covering light mist water alcohol Follow two coats clear nitrate dope diluted 50% October 1985 163 P-51 r P47 4 PAW DIESELS Englands Finest 049 35 RIC STD Suid $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 Circle numbers plans wish order 193 326 426 442 453 462 469 476 483 239 332 430 444 454 463 470 477 484 262 358 433 445 456 464 471 478 485 299 386 437 446 457 465 472 479 486 302 398 438 447 458 466 473 480 487 310 414 440 449 460 467 474 481 488 314 422 441 452 461 468 475 482 489 Plan price includes first class postage US delvery Air Man over 300 miles I For orders outside US e add $250 Air Mail $1 25 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ NAME STREET CITYI STATE ____________________________________________________________[v32][b953312299300]]ZIP ____________________________________________________________[v32][b163231279200]] thinner final coat should have silver powder added about much might held metal ferrule common pencil eraser ounce clear dope An airbrush will needed operation silver powder tends streak brushed-on Add details such fuselage numerals rudder stripes may painted cut tissue doped-on rudder numbers made rub-off transfers Aileron stab separation outlines inked airbrushed Paint engine rocker-arm covers flat black exhaust pipes can same adding slight spray silver black paint still wet adds realistic mottled look Rubbing parts powdered graphite heightens metallic simulation Add cooling louvers fuselage sides fake wing radiators top wing center section between Ribs 2 3 merely cut pieces coarse silk painted dirty brass color before cementing place giving pretty good illusion radiator texture pilot sculptured light balsa given couple coats sanding sealer Acrylic artists paints used final coloring scarf white tissue Flying 12 strands 3/16-in rubber used power model should about 36 long have tried both Sig FAI rubber find much different power curve between two Sig seems tolerate winds given length torque constant during usable power run FAI has aggressive torque right beginning drops off appreciably toward middle power run may wish experiment Balance model front strut incidence shown plans good starting point can easily add take out stab incidence necessary good starting point 20 downthrust about 30 right add field twig thrust plate get little downthrust during initial testing model haved perfectly Naturally replaced improvised part neat piece balsa got home next time flew it stalled again should have glued twig place Thomas-Morse MB-7 unusual subject Dont let novel arrangement wing stubby fuselage put off remarkably stable delight air would like propose competition class Pulitzer Schneider James Gor don Bennett other early racers Theres wealth nifty designs just wait ing built first block try model developed information three-views photos contained Thomas Foxworths superb book Speed Seekers well worth hunting though may out print 164 Model Aviation FULL SIZE PLANS No 487 Cap 21$1000 RC Scale Aerobatic plane 40-size engine Two sheets Wingspan 62 No 488 MB-$ 500 FF Jumbo Rubber Scale Thomas-Morse Scout spans 37 No 489 Undertaker$ 500 CL Foam-winged AMA Combat plane 36 engine pane 451A 47 No 193Stihtta CL Stunt model IMoOrmaldI winner 197819801 982 FAI Worn champ$ 375 No 239DIes Erda 110 Ken willards formation plane 4-channel 1 0power$ 375 Plo 212Crashmautar ci crasfrproof trainer two sizesI 5-30- 3540-power . $ 125 Ne 299Bee lee Sr Spartater nc %ocale Haffke 91 power Prototype span 30 ft Two-and-a-han sheets$1175 No 302Mliii FIS ac Sarpolos 049 docte fans oil flier 2-channel Balsa wings tail lose structure$ 275 No 3101530 Float Olpiam RC Sport Scale fer 35-40 4-channel Wingopan 56 4 scale Two sheets$ 625 Plo 314Drake t nc Kon Willards fling boat 3-channel 15-power Fly trom land removable gear$ 375 321Taylor Ceic Rc Don Srulls Schoolyard-Scale 049s 2-3 channel Spans 50 in$ 350 No 332Zephyr nc Small 2-channel glider hand-launch tow thermal slope souring$ 200 No 358floces FF lodnor Easy B Robber-power contest-winner W Van Gorder$100 No 306Liner 200 no Sport Scale replica championship Aerohatic flier Uses 40 power 4-5 channel Two sheets$1075 Ne 391Boo Bee 01 no Haffkes latest %-scale spans 75 weighs 15 lb flies 90 larger Four sheets Inn docf$2225 Ne 414ElectrIc Spetky 110 electric-powered fan flier 05 motor 3-channel 11015 scaled spi 939 rubber-power favorite$ 850 No 422Scoater 110 Two-Meter Sailplane has won Nato event 1982 1983 plus other contests$ 550 426OMna CDpper RO Fabulous 74-In-span Sport Scale flying bout bar 10-size engines 4-channel Three sheets 100 docf$2000 No430irmuldo RC Zippy little sportoterfor 10-15 powerand 3-channel 110$ 400 433 Watts Uto 110 Electric-powered glider 2-3 channels 035 motor spons 52 . $ 450 No437 KIogDatur CL Profile Carrier plane spans 40/ sues 35 engine$ 600 Ito 438debar FF Embryo Endurance rubber-power fuo ship has big-model characteristics$ 200 No 440CaneOar 110 Old-Timer-lIke new design has hage wing slow easy flights 35 power 3 channels Two sheets$1 725 No441 WIt FF Hot small lightweight competition ship 15 power designer Harry Murphy$ 475 No442Lazy Duck 110 ttig canard sport fIler AA-09 power 2 channels Uses team beard parts$ 650 No444Fbalielt 110 pusher canard sporolpattem uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 445No11th Cougar CL Scale model popular hmnebuilt won Hats Uses 21 engine spans 41 is$ 925 No 446La Crate 110 Electric-powered sport flier 05 motors 3-channels Two versions parasol cabin$ 550 No447WA Usa Aalertea 110 Old-Timer AA Texaco model 049 glow 2-channels$ 650 No 440Settee Cl SportlSluot plane 40-size 4-stroke engine builds foot easy$ 600 No452gee Seal 110 Quarter-scale spans 71% in. uses 90 power Four sheets$1600 No453 Sioeothia ProSe CL Profile rendition Bob Palmers soper-Stunter early Fifties 35 power$ 550 No454 swoat P-3D FF Neat stick-and-f boo Outdoor Rubber P30-class model contest-winner$ 200 No456 lit-Tech 2001 110 Ducted-fan futuristic-lookIng canard 25-size engines Built-up construction Threw sheets$1175 No457 Dttactra 110 Electric-power 05-size motor uses 3 different wings sport souring eerohahcs$ 700 No 458 Deoetlees CL Profile Carrier 1 5-power events Two sheets$ 57S No460 440110 Shoulder-wing sport flier 4-cycle 40-size engIne 4 channels$ 650 No461 Trlater Saneatermar CL Famous unflapped Stunter late Forties Uses 35 engine$ 650 No462 PeolNo P6 FF Jumbo Rubber Scale WW Italian obuervation plane$ 400 No 463 Ptefyhulmtathes Vk 110 IA Pylon racer uses lots life ply haiti-up structare strength lightaeas$ 475 No414 5oodeecer 01 hA sport flier io all-sheet-halsa can use Too Dee 049$ 325 Ne 465 ltoo Mast 110 Foo-fly oportuter 40-size engines spans 52 Lightweight structure$ 700 No466 cempotlter CL Stunter 60 power has 850 ng wing area$ 575 Na 467 Mu Spelt FF Rubber Scale design won 83 Nuts designer Don Srull Wingspan ls 26 in$ 250 No468 Smoother CL Stunter 29/35 powor Design bused hybrid SmoothielNobler$ 675 No 469 Doe Ittohet 110 Sport Scale rendering Polish homebuiti pusher Spans 75 sues 40-size 4-cycle engine Four sheets$2075 No470 Strakor 110 Mid-wing sportister uses 40/45 four-stroke engine spans 50% tail-dragger$ 650 No471 Mogan Aeon CL Profile Stunt trainer spans 54 in. uses 35/40 engine Flapped wing$ 575 No472 Parocreft 110 Craft has flexible poraf oil wing uses 3110 channels 60 engine$ 550 No473 Tunane 110 Sport scale turboprop trainer spans 66 sons 60/75 engines Three sheets$1250 No 474 Pacer 15 FF Nordic A-i Towline Glider woo 1983 World champs$ 500 No 475Beeptaynleuk ci Slow Combat model uses geodetic wing construction 36 engIne Two-sheet plan has ports pattems$ 400 No 476Mania 250 FF competition hA plane has manta-ray-shaped wing spans 43 in$ 500 No 477Maudads CL Sport Stunter uses sport 15 engine spans 35 -$ 325 No478Outternup 110 Cute elfin sportuter uses micro 2-ch 110 poise-redder Spans 27 tor 020-035 power$ 300 No479Four-Stroke boater 110 SportfAnrobutics ship haul 920s styling uses 90 4-stroke engine spaou 85 2 sheets$1100 No460Ildtcutoun OL Fabulous compelitbon Slonter has 550 sq wing area flies TO 0491051 spans 47% in$ 600 No 461deropa 110 Sailplane FAI competitise has fiberglass fuselage foam wings wing tiapa stabilator tail Spans 110 in$ 700 No402Beidee-Agor 110 Sport/Aerokatic model looks likes Golden Age sportuter 60 engians spans 62 in$ 750 No483dOS Hawk Uitralght FF Outdoor Gas Scale plane uses 00-2 power spans 29 $ 300 No 484Aerosol K 110 Osarter-Scale 305 lighlplane spans 9 ft. uses 12 co 0 2-cyl. 4-stroke engine weighs 11% lb Three sheets$1 975 No 455Hawker Nunter CL Fan-scale firitish let fighter has 1 8h-ln foam wing axes %A power$ 175 Na 456Mtles-Atwead Speclat 110 Sport-Scale Golden Age air-racer uses 21 engine spans 45 in$ 825 Os Os Co5 0 0 c 0 -Os oscr cc zo or0 0 - 00 sum su C - so 0 -c flb cs- sum 0 00 05 Os m C V coOs m C- 0 V mm 0su 0 Gm U or eec 0 Em a so N IL I I I I
Edition: Model Aviation - 1985/10
Page Numbers: 84, 85, 86, 87, 88, 162, 163, 164
Big picture author hand-launches test flight plane flies large left-hand circles averaging 40 sec 12 strands 3/16In rubber Flight adjustments easyto make thrust line can altered placing balsa acraps behind thrust plate Above two MB-7s built compete 1921 1922 Pulitzer Prize races particular modeled raced 1922 Number 7 Influenced early 1920s racing era models unique wing short fuselage combine make delightful Jumbo Scale rubber-powered project Flight qual ities outstanding U Bill Noonan itaoie ii isr-servic wasscau am4oiiar second i ne i nomas-Morse comp come intrigued exp ostensible successes British Martin syde company Alula wing principle decided incorporate design MB-7 Thomas maintained curious humved ion design butriy 19 thickness chord therebyower oh substantial change basic concept first MB-7 showed promise achiev- ing recorded speed 180 mph before conspi Left This view reveais modeis nice proportions adequate nose/tail moment arms Right simulated wing radiators made patches painted coarse silk cloth Aiieron elevator separations can indicated inked lines airbrushing immediately front cockpit being widest part fuselage Tem porarily clamp tail post together cement crosspieces place Cut remaining crosspieces confirming length checking top view plans Cement crosspieces place aft cockpit checking symmetry go End up cementing tail posts together Carefully cut upper lower lon gerons station front cockpit fine-tooth saw will ease operation Cement front fuselage frames back place noting taper toward nose top view plans Cement crosspieces finish part operation cementing circular nose Bulkhead place top cowl decking carved soft balsa hollowed-out about -in wall thickness makes peculiar transi tion absolutely round nose flat turtleback behind cockpit elements gives MIB-7 its character pays work slowly helpful have side Formers B through E cut out can used check top decking fairs-in nicely fuselage sides Make neces sary modifications Remember sides covered 1/32 sheet balsa back rear wing strut make al lowances fitting side formers Carefully cut cockpit opening top decking maintaining elliptical symme try Cut 1/32 sheet balsa cowl sides slightly oversize Trim fit holding place against fuselage confirm ac curate shape dimensions Cyanoacry late CyA glue works good advantage making final fit Wetting outside 1/32 sheet ammoniaand-water solution makes wood mal leable easier form Cut valve cover assemblies light balsa made carving unit single piece wood separating trailing fairing shown coneshaped leading fairing cut separately grain running vertically along centerline Exhaust collectors cut -in sheet balsa sanded streamline shape cross-over between valve covers soft -in sheet also faired streamline shape Add hard balsa breather pipe top carburetor intake under unit Before adding solid balsa lower cowl ing bend landing gear legs 1/32 wire care can bent single unit Bind crosspieces fuselage wire thread apply cement Rein forcing gussets applied crosspieces contact longerons help resist landing gear shock Cut apiece 045 wire about 7 long spreader bar Solder Vs landing gear legs spreader bar 86 Model Aviation Although short-coupled model exhibits excellent stabIlity tong ianaing gear aiiowa easy ROG launches Stabilizer incidence easily changed shim inserted between fuselage mount stab underside its excellent Jumbo Scale subject ns loca POIHI pIupaI ier maae oy laminating plywood over pitch block Birch dowel hubs Insert spinners brass boss Pins lock blades Lj ccIq 0 flOO Cuq jooiooo b0 sftco~rng rpoket z oc Co __ Cd bLaTHOMASMORSE MB7 oeooow,vIN Full-Size Plans Available. See Page 164 fairing built-up like small wing cemented place over wire Fit -in sheet balsa streamline leg fairings place both ends fit neatly respective contact surfaces 334-in-dia wheels may turned -in balsa two pieces -in sheet laminated right angles purchased commercially streamlined teardrop fairing juncture rear landing gear leg wing strut added after model covered prop unit freewheeling con tained inside hollowed-out balsa spinner Blades two pieces 1/64 ply laminated over pitch block have found type propeller improvement over carved ones main advantages ease replacement broken blades broad latitude pitch selection wellcarved balsa prop better looking may have aerodyamic edge think advantages cited outweigh factors prop boss -in ID brass drilled center accept 1/1 6-in-dia shaft spinner made laminating six pieces hard -in sheet balsa together right angles make 2 x 2 x 1-in cube will allow accurately drill drill press table tunnel brass boss will slip later Drill -in-dia hole through 1in-dimension centerline Insert birch dowel allowing about 2 protrude out side will become back spinner can chucked drill press hand drill spinner can turned lathe Rough-cutting circular shape before turning saves wear tear sandpaper makes operation safer turning sure hole drilled boss large end spinner finished cut off surplus birch dowel carefully cut through spin ner separate disc surrounds boss tube bullet-shaped nose portion Hollow-out nose accom modate freewheeling clutch Insert brass boss tube balsa disc cement place 1/64 circular plywood doubler back unit makes stronger part Bend 1/16-in wire prop shaft accept either bobbin Crockett rubber hook have good luck bobbin utilizing safety latch model powered 12 strands 3/16-in rubber becomes quite handful 900 turns winder bobbin facilitates transfer rubber Left close look Indexing block bobbin full load rubber 900 turns can hard handle bobbin has worked well helping transfer rubber winder prop shaft Right Wings easily removed fixed center section tongue pocket used alignment Rubberbands stretched between hooks wings underside hold panels place October 1985 87 Ii Left The disassembled model easy store transport Wings designed resist damage case OT impact tail sur faces can adjusted easily Right Lightening holes wing ribs lightness key ingredient model fly well can put punching tools made brass tubing Grind sharp cutting edge end tube rotate against wing rib together 1/64 plywood Joiner F Mark off rib positions spar slip ribs place Dont apply cement yet File notches ribs front rear spars leading edge Carefully force sparts place checking assembly symmetrical alignment everything OK apply CyA glue joints Cut trailing edge 3/16 sheet balsa cement place going make wings removable will necessary make tongue pocket parts index wing panels center section pocket made cutting two pieces hard 1/16 sheet balsa framing three edges inserting 3/32 sheet has reduced thickness almost 1/16 just enough oversize allow easy passage 1/16 balsa tongue projects wing panels Cement pockets place shown plans having first determined accurate position slot root rib may prefer cut slot both rib its 1/64 plywood doubler before final installa tion pocket 1/16-in ID aluminum tube set about ling edge allows insertion 1/16in OD allgnment pin keep wing panel correctly aligned center section Cut cabane strut mounts winder prop shaft prop shaft passes through 1/16 ply circular thrust plate right behind spinner assembly accommodates both thrust bearing indexing block cemented back fits snugly rectagular aperture Bulkhead Bend shaft 900 angle front brass boss after slipping small spring serves disengage clutch once rubber unwound Cement hollow spinner back place sure freewheeler works OK Add soft balsa headrest cement plywood tail skid slotted blocjc tail post Drill holes top decking receive bamboo cabane struts have sanded oval cross section cement struts place time Leaving until later facilitates centersection incidence adjustments Wing difficult part unusual Alula wing center section Start cutting ribs Slot receive main spar leave slotting smaller spars until later Make center-section main spar hard 1/16 x -in balsa four pieces make bridge-like part held hard 3/32 sheet balsa drill receive struts Note pieces cemented between Ribs 2 Add small blocks balsa about de Rib 4 along bottom provide base cement wing struts later after model covered strength wing comes primarily 1/32 sheet balsa leading edge carefully bent around airfoil Start cementing straight-grained balsa 1/20 x -in upper spar between Ribs 1 3 Apply solution ammonia water outside sheet draw around ribs same time using CyA glue rib sheet coypring finally cemented lower spar Trim away excess wood Repeat pro cess between Ribs 3 4 Fair sheet ribs produce unbroken airfoil outer wing panels utilize hard 1/16 sheet main spar tapers 11/16 atthe rootto b 9 Markoff rib stations slip ribs place File notches leading edge spars insert place Slip notched trailing edge place Check panel correct alignment sure root ribs panels mate center section proper dihedral Apply CyA joints Continued page 162 88 Model Aviation ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX K AMA Membership143 Ace Radio Control49 Airtronics82-83 Astro Flight1 28 B. Line22 B&B Custom Built Models158 Balsa USA13 Beercan Bombers128 Bergeron Enterprises146 Byron Originals47 CaRa Products152 Carolina-Taffinder156 Johnnie Casburn Mfg138 Chicago Model & Hobby Show145 Cleveland Model & Supply Co151 Eric Clutton163 Condor Trading Co120 Consumers Guide125 Coverite157 Cox Hobbies142 D&D Engineering159 DGA Designs154 Jim Denaro Model Products51 Dougs Hobby Shop148-149 Larry Dodge Aero Inc135 Du-Bro Products Inc11 FAI Model Supply129 FHS Supply Inc4 Fiberglass Master139 Flyline Models157 Fourmost Products146 Fox Mfg53 Futaba Corp America2 Gas Model Products162 Gator RC Products138 Carl Goldberg Models7 Golden Gate Hobbiess3 Gorham Model Products9 Great Planes Model Mfg Co1 1/5-scale B-25 Mitchell bombers squad ron A6M5 Zero fighters P-47 Thunder bolts P-si Mustangs F4U Corsair Stir together add couple manned 1/25-scale M-4 Sherman tanks sea son indescribable pyrotechnics yield extravaganza called Striking Back Jet Rally 85 unqualified success terms exhibiting ducted-fan airplanes modelers public alike equip ment evolving third generation fan units realistic jet performance Historic Aviation21 Hobby Barn122-123 Hobby Capitol Distributors156 Hobby Horn49 Hobby Lobby International150 Hobby World Imports152 Hobbypoxy160 Holleys Silent Flight155 Ikon Northwest Co146 Indy RC Sales Inc130-132 Jeffla Corp147 Jomar125 163 K&BMfg156 K&S Engineering121 Kin Craft159 Knights Air120163 Kraft Systems Inc23 Kustom Kraftsmanship133 L&L Model Products128 Lindsey Micro Products1 Se Lone Star Models43 MACS Products152 Mammoth Scale Plans129 Master Kit144 McDaniel RC Service20 Jim Messers Quality Model Prod142 Micro Mark141 Micro Model Engineering146 Model Magic Products154 Model Rectifier CorpCovers 2 3 Morley USA158 Mutchlers Hobbies126-127 National Soaring Society158 Nor-Ray Products Inc20 North Products149 Nowlen Aero140 Off Ground Models155 PK Products144 Pacer Technology161 levels now achievable Current devel opments directed improving opera bility simplifring usage average RC modeler Ducted-fan technology has matured evidence wide variety models seen future bright can look forward continued events type promote new dimension RC powered flight sincere thanks extended Byron Godbersen able staff worked long hard provide setting hospitality memorable Hal Payne Enterprises152 Peck-Polymers138 Penn Valley Hobby Center158 Pica Products12 Polks Model Craft Hobby24-25 RC Buyers Guide147 RC Novelties22 RC Video Magazine144 R&D Engineering160 RJL Industries142 Radio South135 Repla-Tech International135 RoushMfg134162 SR Batteries139 SachsbyTG140 Sailplanes World124 Satellite City77 Scale Model Research135 Schlueter Free Flight Models162 Shamrock Competition Imports129 Sheldons Hobby Shop8136-137 Sig Mfg Co14-15 159 Simcoe RC Aircraft Co74 Specialty Hardware Co140 St Croix Models20 Standale Aircraft1 34 T&D Fiberglass Specialties124 John Tatone Model Eng Access22 Tatone Products Co121 Texxon Precision Products45 Top Flite Models Inc124 Tower Hobbies153 WE Technical Services6 Williams Bros139 Wilshire Model Center149 Windsor Propeller Co51 Workshop Concepts119 World Hobbies157 World EnginesCover 4 Zenith Aviation PublicationsS events modeling history missed interested please note Jet Rally 86 has already scheduled June 21-22 1986 Ida Grove IA Plan now attend look forward seeing MB-7/Noonan Continued page 88 wing tips made laminating three pieces 1/32 x wood around cardboard form Join part Super sport flier turnaround pattern Balsa & ply construction 70 span 927 sq area 7A -BS lbs$1 j 7612 cu Dealer Inquiry Invited 1728 Sywood SE Canton OH 44707 Send $1 far Catalog 216 484681O RoUSH MFG 162 Model Aviation r Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 02 $995 Giant Kwik Set 6 Minute16 oz$1395 Half FastlOMinutelOoz$895 GMP AIRCRAFT INSTRUMENTS 80in31161143/81/2$ 149 40 3/4 inch $ 149 EASY OFF PULLER proper tool removing drive washersand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OM 45239 513 385-7398 oat dealer ord drect Pout dd $150 [I Schlueter Free Flight Models 3508 Poinsettia Ave Manhattan Beach Co 90266 Dealer Inquiries Invited S PACIFIC ACE BLACK BULLET PARTIAL KITS pIans&printedvod PACIF ACE o SLACIS BULLET 2OS32S30 70 40t665 ADD 5200 SHLPP5G FOR EACH KIT ORDERCA RES ADO 6/ TAX leading edge 1/20 x 3/16 part Cut wing indexing tongues hard 1/16 sheet balsa Hold temporarily place fitting panel against center section checking alignment proper dihedral Cement tongues place Apply 1/32 sheet balsa leading edge same manner done center section will necessary fabricate 1/32 sheet leading edge tip outboard Rib 9 independent unit pinched around laminated part cemented place Add root gusset 1/16 sheet collar surrounding sim ulated control horn horn cemented place after wing covered Trim trailing edge laminated tip fair-in smoothly airfoil After wing covered bend two sets retainer hooks wing set mounted spar other trailing edge underside stretched rubberband holds panels place allows wing give case impact Tail surfaces Both rudder stabil izer built using sprung rib meth od provides lightweight surface very strong Prepare cardboard form 1/16 smaller stabilizer fin used bend two pieces 1/32 x straight-grained basswood forms outlines Soak basswood am monia-water solution about 15 mm rinse thoroughly Apply thin bead white glue between laminations secure two pieces against edges cardboard form Waxing edges parafin childs crayon will make easy remove dry part Allow dry overnight Construction procedure same tail parts Secure laminated frame position over plans Cut position trailing edges Cut fit lower part ribs medium-hard 1/32 sheet balsa parts -in wide lies flat building surface Apply cement parts abut leading trailing edges Cut th spars position ribs over plans Apply cement contact ribs framework Now repeat rib-cutting process top rib parts Carefully position part place Apply CyA glue first trailing edge forcing part down over spars contact point leading edge final result streamline cross section horizontal stab built piece will necessary make tissue tracing half left stab align fuselage centerline upside down get right side horizontal stab has 1/32 sheet center section both top bottom bottom part rests against two 1/16 sheet stabilizer mount parts cemented top longeron entire tail assembly held place rubberbands stretched between 020 wire hooks retainers hooks KNIGHTS AIR y SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping cemented stab spars project down fuselage bottom ends rubberbands drawn through holes wedge-shaped balsa forms tail skid mount Slip bamboo retainer sliv ers place hold rubberbands method mounting tail surfaces allows convenient removal incidence changes Miscellaneous wing struts cut medium grade alsa sanded streamline shape Wire pins end reinforce mounting struts finally cemented place brace wires between struts may made black carpet thread covered model white tissue Peck-Polymers no parGIANT SCALE RETRACTS Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working olco struts Precision machined metal lightweight construction Air/hydraulic controls 13/ 16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $22000 shipping Wheels sold separately ORDER DIRECT ONLY William M Hawke 7148 Lasting Light Way Columbia MD 21045 _______________________301 730-5596 ticularly difficult areas comes covering MB-7 Note underside wing airfoil makes transi tion cambered section center semi-symmetrical tip sure cement tissue cambered portion Shrink covering light mist water alcohol Follow two coats clear nitrate dope diluted 50% October 1985 163 P-51 r P47 4 PAW DIESELS Englands Finest 049 35 RIC STD Suid $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 Circle numbers plans wish order 193 326 426 442 453 462 469 476 483 239 332 430 444 454 463 470 477 484 262 358 433 445 456 464 471 478 485 299 386 437 446 457 465 472 479 486 302 398 438 447 458 466 473 480 487 310 414 440 449 460 467 474 481 488 314 422 441 452 461 468 475 482 489 Plan price includes first class postage US delvery Air Man over 300 miles I For orders outside US e add $250 Air Mail $1 25 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ NAME STREET CITYI STATE ____________________________________________________________[v32][b953312299300]]ZIP ____________________________________________________________[v32][b163231279200]] thinner final coat should have silver powder added about much might held metal ferrule common pencil eraser ounce clear dope An airbrush will needed operation silver powder tends streak brushed-on Add details such fuselage numerals rudder stripes may painted cut tissue doped-on rudder numbers made rub-off transfers Aileron stab separation outlines inked airbrushed Paint engine rocker-arm covers flat black exhaust pipes can same adding slight spray silver black paint still wet adds realistic mottled look Rubbing parts powdered graphite heightens metallic simulation Add cooling louvers fuselage sides fake wing radiators top wing center section between Ribs 2 3 merely cut pieces coarse silk painted dirty brass color before cementing place giving pretty good illusion radiator texture pilot sculptured light balsa given couple coats sanding sealer Acrylic artists paints used final coloring scarf white tissue Flying 12 strands 3/16-in rubber used power model should about 36 long have tried both Sig FAI rubber find much different power curve between two Sig seems tolerate winds given length torque constant during usable power run FAI has aggressive torque right beginning drops off appreciably toward middle power run may wish experiment Balance model front strut incidence shown plans good starting point can easily add take out stab incidence necessary good starting point 20 downthrust about 30 right add field twig thrust plate get little downthrust during initial testing model haved perfectly Naturally replaced improvised part neat piece balsa got home next time flew it stalled again should have glued twig place Thomas-Morse MB-7 unusual subject Dont let novel arrangement wing stubby fuselage put off remarkably stable delight air would like propose competition class Pulitzer Schneider James Gor don Bennett other early racers Theres wealth nifty designs just wait ing built first block try model developed information three-views photos contained Thomas Foxworths superb book Speed Seekers well worth hunting though may out print 164 Model Aviation FULL SIZE PLANS No 487 Cap 21$1000 RC Scale Aerobatic plane 40-size engine Two sheets Wingspan 62 No 488 MB-$ 500 FF Jumbo Rubber Scale Thomas-Morse Scout spans 37 No 489 Undertaker$ 500 CL Foam-winged AMA Combat plane 36 engine pane 451A 47 No 193Stihtta CL Stunt model IMoOrmaldI winner 197819801 982 FAI Worn champ$ 375 No 239DIes Erda 110 Ken willards formation plane 4-channel 1 0power$ 375 Plo 212Crashmautar ci crasfrproof trainer two sizesI 5-30- 3540-power . $ 125 Ne 299Bee lee Sr Spartater nc %ocale Haffke 91 power Prototype span 30 ft Two-and-a-han sheets$1175 No 302Mliii FIS ac Sarpolos 049 docte fans oil flier 2-channel Balsa wings tail lose structure$ 275 No 3101530 Float Olpiam RC Sport Scale fer 35-40 4-channel Wingopan 56 4 scale Two sheets$ 625 Plo 314Drake t nc Kon Willards fling boat 3-channel 15-power Fly trom land removable gear$ 375 321Taylor Ceic Rc Don Srulls Schoolyard-Scale 049s 2-3 channel Spans 50 in$ 350 No 332Zephyr nc Small 2-channel glider hand-launch tow thermal slope souring$ 200 No 358floces FF lodnor Easy B Robber-power contest-winner W Van Gorder$100 No 306Liner 200 no Sport Scale replica championship Aerohatic flier Uses 40 power 4-5 channel Two sheets$1075 Ne 391Boo Bee 01 no Haffkes latest %-scale spans 75 weighs 15 lb flies 90 larger Four sheets Inn docf$2225 Ne 414ElectrIc Spetky 110 electric-powered fan flier 05 motor 3-channel 11015 scaled spi 939 rubber-power favorite$ 850 No 422Scoater 110 Two-Meter Sailplane has won Nato event 1982 1983 plus other contests$ 550 426OMna CDpper RO Fabulous 74-In-span Sport Scale flying bout bar 10-size engines 4-channel Three sheets 100 docf$2000 No430irmuldo RC Zippy little sportoterfor 10-15 powerand 3-channel 110$ 400 433 Watts Uto 110 Electric-powered glider 2-3 channels 035 motor spons 52 . $ 450 No437 KIogDatur CL Profile Carrier plane spans 40/ sues 35 engine$ 600 Ito 438debar FF Embryo Endurance rubber-power fuo ship has big-model characteristics$ 200 No 440CaneOar 110 Old-Timer-lIke new design has hage wing slow easy flights 35 power 3 channels Two sheets$1 725 No441 WIt FF Hot small lightweight competition ship 15 power designer Harry Murphy$ 475 No442Lazy Duck 110 ttig canard sport fIler AA-09 power 2 channels Uses team beard parts$ 650 No444Fbalielt 110 pusher canard sporolpattem uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 445No11th Cougar CL Scale model popular hmnebuilt won Hats Uses 21 engine spans 41 is$ 925 No 446La Crate 110 Electric-powered sport flier 05 motors 3-channels Two versions parasol cabin$ 550 No447WA Usa Aalertea 110 Old-Timer AA Texaco model 049 glow 2-channels$ 650 No 440Settee Cl SportlSluot plane 40-size 4-stroke engine builds foot easy$ 600 No452gee Seal 110 Quarter-scale spans 71% in. uses 90 power Four sheets$1600 No453 Sioeothia ProSe CL Profile rendition Bob Palmers soper-Stunter early Fifties 35 power$ 550 No454 swoat P-3D FF Neat stick-and-f boo Outdoor Rubber P30-class model contest-winner$ 200 No456 lit-Tech 2001 110 Ducted-fan futuristic-lookIng canard 25-size engines Built-up construction Threw sheets$1175 No457 Dttactra 110 Electric-power 05-size motor uses 3 different wings sport souring eerohahcs$ 700 No 458 Deoetlees CL Profile Carrier 1 5-power events Two sheets$ 57S No460 440110 Shoulder-wing sport flier 4-cycle 40-size engIne 4 channels$ 650 No461 Trlater Saneatermar CL Famous unflapped Stunter late Forties Uses 35 engine$ 650 No462 PeolNo P6 FF Jumbo Rubber Scale WW Italian obuervation plane$ 400 No 463 Ptefyhulmtathes Vk 110 IA Pylon racer uses lots life ply haiti-up structare strength lightaeas$ 475 No414 5oodeecer 01 hA sport flier io all-sheet-halsa can use Too Dee 049$ 325 Ne 465 ltoo Mast 110 Foo-fly oportuter 40-size engines spans 52 Lightweight structure$ 700 No466 cempotlter CL Stunter 60 power has 850 ng wing area$ 575 Na 467 Mu Spelt FF Rubber Scale design won 83 Nuts designer Don Srull Wingspan ls 26 in$ 250 No468 Smoother CL Stunter 29/35 powor Design bused hybrid SmoothielNobler$ 675 No 469 Doe Ittohet 110 Sport Scale rendering Polish homebuiti pusher Spans 75 sues 40-size 4-cycle engine Four sheets$2075 No470 Strakor 110 Mid-wing sportister uses 40/45 four-stroke engine spans 50% tail-dragger$ 650 No471 Mogan Aeon CL Profile Stunt trainer spans 54 in. uses 35/40 engine Flapped wing$ 575 No472 Parocreft 110 Craft has flexible poraf oil wing uses 3110 channels 60 engine$ 550 No473 Tunane 110 Sport scale turboprop trainer spans 66 sons 60/75 engines Three sheets$1250 No 474 Pacer 15 FF Nordic A-i Towline Glider woo 1983 World champs$ 500 No 475Beeptaynleuk ci Slow Combat model uses geodetic wing construction 36 engIne Two-sheet plan has ports pattems$ 400 No 476Mania 250 FF competition hA plane has manta-ray-shaped wing spans 43 in$ 500 No 477Maudads CL Sport Stunter uses sport 15 engine spans 35 -$ 325 No478Outternup 110 Cute elfin sportuter uses micro 2-ch 110 poise-redder Spans 27 tor 020-035 power$ 300 No479Four-Stroke boater 110 SportfAnrobutics ship haul 920s styling uses 90 4-stroke engine spaou 85 2 sheets$1100 No460Ildtcutoun OL Fabulous compelitbon Slonter has 550 sq wing area flies TO 0491051 spans 47% in$ 600 No 461deropa 110 Sailplane FAI competitise has fiberglass fuselage foam wings wing tiapa stabilator tail Spans 110 in$ 700 No402Beidee-Agor 110 Sport/Aerokatic model looks likes Golden Age sportuter 60 engians spans 62 in$ 750 No483dOS Hawk Uitralght FF Outdoor Gas Scale plane uses 00-2 power spans 29 $ 300 No 484Aerosol K 110 Osarter-Scale 305 lighlplane spans 9 ft. uses 12 co 0 2-cyl. 4-stroke engine weighs 11% lb Three sheets$1 975 No 455Hawker Nunter CL Fan-scale firitish let fighter has 1 8h-ln foam wing axes %A power$ 175 Na 456Mtles-Atwead Speclat 110 Sport-Scale Golden Age air-racer uses 21 engine spans 45 in$ 825 Os Os Co5 0 0 c 0 -Os oscr cc zo or0 0 - 00 sum su C - so 0 -c flb cs- sum 0 00 05 Os m C V coOs m C- 0 V mm 0su 0 Gm U or eec 0 Em a so N IL I I I I
Edition: Model Aviation - 1985/10
Page Numbers: 84, 85, 86, 87, 88, 162, 163, 164
Big picture author hand-launches test flight plane flies large left-hand circles averaging 40 sec 12 strands 3/16In rubber Flight adjustments easyto make thrust line can altered placing balsa acraps behind thrust plate Above two MB-7s built compete 1921 1922 Pulitzer Prize races particular modeled raced 1922 Number 7 Influenced early 1920s racing era models unique wing short fuselage combine make delightful Jumbo Scale rubber-powered project Flight qual ities outstanding U Bill Noonan itaoie ii isr-servic wasscau am4oiiar second i ne i nomas-Morse comp come intrigued exp ostensible successes British Martin syde company Alula wing principle decided incorporate design MB-7 Thomas maintained curious humved ion design butriy 19 thickness chord therebyower oh substantial change basic concept first MB-7 showed promise achiev- ing recorded speed 180 mph before conspi Left This view reveais modeis nice proportions adequate nose/tail moment arms Right simulated wing radiators made patches painted coarse silk cloth Aiieron elevator separations can indicated inked lines airbrushing immediately front cockpit being widest part fuselage Tem porarily clamp tail post together cement crosspieces place Cut remaining crosspieces confirming length checking top view plans Cement crosspieces place aft cockpit checking symmetry go End up cementing tail posts together Carefully cut upper lower lon gerons station front cockpit fine-tooth saw will ease operation Cement front fuselage frames back place noting taper toward nose top view plans Cement crosspieces finish part operation cementing circular nose Bulkhead place top cowl decking carved soft balsa hollowed-out about -in wall thickness makes peculiar transi tion absolutely round nose flat turtleback behind cockpit elements gives MIB-7 its character pays work slowly helpful have side Formers B through E cut out can used check top decking fairs-in nicely fuselage sides Make neces sary modifications Remember sides covered 1/32 sheet balsa back rear wing strut make al lowances fitting side formers Carefully cut cockpit opening top decking maintaining elliptical symme try Cut 1/32 sheet balsa cowl sides slightly oversize Trim fit holding place against fuselage confirm ac curate shape dimensions Cyanoacry late CyA glue works good advantage making final fit Wetting outside 1/32 sheet ammoniaand-water solution makes wood mal leable easier form Cut valve cover assemblies light balsa made carving unit single piece wood separating trailing fairing shown coneshaped leading fairing cut separately grain running vertically along centerline Exhaust collectors cut -in sheet balsa sanded streamline shape cross-over between valve covers soft -in sheet also faired streamline shape Add hard balsa breather pipe top carburetor intake under unit Before adding solid balsa lower cowl ing bend landing gear legs 1/32 wire care can bent single unit Bind crosspieces fuselage wire thread apply cement Rein forcing gussets applied crosspieces contact longerons help resist landing gear shock Cut apiece 045 wire about 7 long spreader bar Solder Vs landing gear legs spreader bar 86 Model Aviation Although short-coupled model exhibits excellent stabIlity tong ianaing gear aiiowa easy ROG launches Stabilizer incidence easily changed shim inserted between fuselage mount stab underside its excellent Jumbo Scale subject ns loca POIHI pIupaI ier maae oy laminating plywood over pitch block Birch dowel hubs Insert spinners brass boss Pins lock blades Lj ccIq 0 flOO Cuq jooiooo b0 sftco~rng rpoket z oc Co __ Cd bLaTHOMASMORSE MB7 oeooow,vIN Full-Size Plans Available. See Page 164 fairing built-up like small wing cemented place over wire Fit -in sheet balsa streamline leg fairings place both ends fit neatly respective contact surfaces 334-in-dia wheels may turned -in balsa two pieces -in sheet laminated right angles purchased commercially streamlined teardrop fairing juncture rear landing gear leg wing strut added after model covered prop unit freewheeling con tained inside hollowed-out balsa spinner Blades two pieces 1/64 ply laminated over pitch block have found type propeller improvement over carved ones main advantages ease replacement broken blades broad latitude pitch selection wellcarved balsa prop better looking may have aerodyamic edge think advantages cited outweigh factors prop boss -in ID brass drilled center accept 1/1 6-in-dia shaft spinner made laminating six pieces hard -in sheet balsa together right angles make 2 x 2 x 1-in cube will allow accurately drill drill press table tunnel brass boss will slip later Drill -in-dia hole through 1in-dimension centerline Insert birch dowel allowing about 2 protrude out side will become back spinner can chucked drill press hand drill spinner can turned lathe Rough-cutting circular shape before turning saves wear tear sandpaper makes operation safer turning sure hole drilled boss large end spinner finished cut off surplus birch dowel carefully cut through spin ner separate disc surrounds boss tube bullet-shaped nose portion Hollow-out nose accom modate freewheeling clutch Insert brass boss tube balsa disc cement place 1/64 circular plywood doubler back unit makes stronger part Bend 1/16-in wire prop shaft accept either bobbin Crockett rubber hook have good luck bobbin utilizing safety latch model powered 12 strands 3/16-in rubber becomes quite handful 900 turns winder bobbin facilitates transfer rubber Left close look Indexing block bobbin full load rubber 900 turns can hard handle bobbin has worked well helping transfer rubber winder prop shaft Right Wings easily removed fixed center section tongue pocket used alignment Rubberbands stretched between hooks wings underside hold panels place October 1985 87 Ii Left The disassembled model easy store transport Wings designed resist damage case OT impact tail sur faces can adjusted easily Right Lightening holes wing ribs lightness key ingredient model fly well can put punching tools made brass tubing Grind sharp cutting edge end tube rotate against wing rib together 1/64 plywood Joiner F Mark off rib positions spar slip ribs place Dont apply cement yet File notches ribs front rear spars leading edge Carefully force sparts place checking assembly symmetrical alignment everything OK apply CyA glue joints Cut trailing edge 3/16 sheet balsa cement place going make wings removable will necessary make tongue pocket parts index wing panels center section pocket made cutting two pieces hard 1/16 sheet balsa framing three edges inserting 3/32 sheet has reduced thickness almost 1/16 just enough oversize allow easy passage 1/16 balsa tongue projects wing panels Cement pockets place shown plans having first determined accurate position slot root rib may prefer cut slot both rib its 1/64 plywood doubler before final installa tion pocket 1/16-in ID aluminum tube set about ling edge allows insertion 1/16in OD allgnment pin keep wing panel correctly aligned center section Cut cabane strut mounts winder prop shaft prop shaft passes through 1/16 ply circular thrust plate right behind spinner assembly accommodates both thrust bearing indexing block cemented back fits snugly rectagular aperture Bulkhead Bend shaft 900 angle front brass boss after slipping small spring serves disengage clutch once rubber unwound Cement hollow spinner back place sure freewheeler works OK Add soft balsa headrest cement plywood tail skid slotted blocjc tail post Drill holes top decking receive bamboo cabane struts have sanded oval cross section cement struts place time Leaving until later facilitates centersection incidence adjustments Wing difficult part unusual Alula wing center section Start cutting ribs Slot receive main spar leave slotting smaller spars until later Make center-section main spar hard 1/16 x -in balsa four pieces make bridge-like part held hard 3/32 sheet balsa drill receive struts Note pieces cemented between Ribs 2 Add small blocks balsa about de Rib 4 along bottom provide base cement wing struts later after model covered strength wing comes primarily 1/32 sheet balsa leading edge carefully bent around airfoil Start cementing straight-grained balsa 1/20 x -in upper spar between Ribs 1 3 Apply solution ammonia water outside sheet draw around ribs same time using CyA glue rib sheet coypring finally cemented lower spar Trim away excess wood Repeat pro cess between Ribs 3 4 Fair sheet ribs produce unbroken airfoil outer wing panels utilize hard 1/16 sheet main spar tapers 11/16 atthe rootto b 9 Markoff rib stations slip ribs place File notches leading edge spars insert place Slip notched trailing edge place Check panel correct alignment sure root ribs panels mate center section proper dihedral Apply CyA joints Continued page 162 88 Model Aviation ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX K AMA Membership143 Ace Radio Control49 Airtronics82-83 Astro Flight1 28 B. Line22 B&B Custom Built Models158 Balsa USA13 Beercan Bombers128 Bergeron Enterprises146 Byron Originals47 CaRa Products152 Carolina-Taffinder156 Johnnie Casburn Mfg138 Chicago Model & Hobby Show145 Cleveland Model & Supply Co151 Eric Clutton163 Condor Trading Co120 Consumers Guide125 Coverite157 Cox Hobbies142 D&D Engineering159 DGA Designs154 Jim Denaro Model Products51 Dougs Hobby Shop148-149 Larry Dodge Aero Inc135 Du-Bro Products Inc11 FAI Model Supply129 FHS Supply Inc4 Fiberglass Master139 Flyline Models157 Fourmost Products146 Fox Mfg53 Futaba Corp America2 Gas Model Products162 Gator RC Products138 Carl Goldberg Models7 Golden Gate Hobbiess3 Gorham Model Products9 Great Planes Model Mfg Co1 1/5-scale B-25 Mitchell bombers squad ron A6M5 Zero fighters P-47 Thunder bolts P-si Mustangs F4U Corsair Stir together add couple manned 1/25-scale M-4 Sherman tanks sea son indescribable pyrotechnics yield extravaganza called Striking Back Jet Rally 85 unqualified success terms exhibiting ducted-fan airplanes modelers public alike equip ment evolving third generation fan units realistic jet performance Historic Aviation21 Hobby Barn122-123 Hobby Capitol Distributors156 Hobby Horn49 Hobby Lobby International150 Hobby World Imports152 Hobbypoxy160 Holleys Silent Flight155 Ikon Northwest Co146 Indy RC Sales Inc130-132 Jeffla Corp147 Jomar125 163 K&BMfg156 K&S Engineering121 Kin Craft159 Knights Air120163 Kraft Systems Inc23 Kustom Kraftsmanship133 L&L Model Products128 Lindsey Micro Products1 Se Lone Star Models43 MACS Products152 Mammoth Scale Plans129 Master Kit144 McDaniel RC Service20 Jim Messers Quality Model Prod142 Micro Mark141 Micro Model Engineering146 Model Magic Products154 Model Rectifier CorpCovers 2 3 Morley USA158 Mutchlers Hobbies126-127 National Soaring Society158 Nor-Ray Products Inc20 North Products149 Nowlen Aero140 Off Ground Models155 PK Products144 Pacer Technology161 levels now achievable Current devel opments directed improving opera bility simplifring usage average RC modeler Ducted-fan technology has matured evidence wide variety models seen future bright can look forward continued events type promote new dimension RC powered flight sincere thanks extended Byron Godbersen able staff worked long hard provide setting hospitality memorable Hal Payne Enterprises152 Peck-Polymers138 Penn Valley Hobby Center158 Pica Products12 Polks Model Craft Hobby24-25 RC Buyers Guide147 RC Novelties22 RC Video Magazine144 R&D Engineering160 RJL Industries142 Radio South135 Repla-Tech International135 RoushMfg134162 SR Batteries139 SachsbyTG140 Sailplanes World124 Satellite City77 Scale Model Research135 Schlueter Free Flight Models162 Shamrock Competition Imports129 Sheldons Hobby Shop8136-137 Sig Mfg Co14-15 159 Simcoe RC Aircraft Co74 Specialty Hardware Co140 St Croix Models20 Standale Aircraft1 34 T&D Fiberglass Specialties124 John Tatone Model Eng Access22 Tatone Products Co121 Texxon Precision Products45 Top Flite Models Inc124 Tower Hobbies153 WE Technical Services6 Williams Bros139 Wilshire Model Center149 Windsor Propeller Co51 Workshop Concepts119 World Hobbies157 World EnginesCover 4 Zenith Aviation PublicationsS events modeling history missed interested please note Jet Rally 86 has already scheduled June 21-22 1986 Ida Grove IA Plan now attend look forward seeing MB-7/Noonan Continued page 88 wing tips made laminating three pieces 1/32 x wood around cardboard form Join part Super sport flier turnaround pattern Balsa & ply construction 70 span 927 sq area 7A -BS lbs$1 j 7612 cu Dealer Inquiry Invited 1728 Sywood SE Canton OH 44707 Send $1 far Catalog 216 484681O RoUSH MFG 162 Model Aviation r Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 02 $995 Giant Kwik Set 6 Minute16 oz$1395 Half FastlOMinutelOoz$895 GMP AIRCRAFT INSTRUMENTS 80in31161143/81/2$ 149 40 3/4 inch $ 149 EASY OFF PULLER proper tool removing drive washersand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OM 45239 513 385-7398 oat dealer ord drect Pout dd $150 [I Schlueter Free Flight Models 3508 Poinsettia Ave Manhattan Beach Co 90266 Dealer Inquiries Invited S PACIFIC ACE BLACK BULLET PARTIAL KITS pIans&printedvod PACIF ACE o SLACIS BULLET 2OS32S30 70 40t665 ADD 5200 SHLPP5G FOR EACH KIT ORDERCA RES ADO 6/ TAX leading edge 1/20 x 3/16 part Cut wing indexing tongues hard 1/16 sheet balsa Hold temporarily place fitting panel against center section checking alignment proper dihedral Cement tongues place Apply 1/32 sheet balsa leading edge same manner done center section will necessary fabricate 1/32 sheet leading edge tip outboard Rib 9 independent unit pinched around laminated part cemented place Add root gusset 1/16 sheet collar surrounding sim ulated control horn horn cemented place after wing covered Trim trailing edge laminated tip fair-in smoothly airfoil After wing covered bend two sets retainer hooks wing set mounted spar other trailing edge underside stretched rubberband holds panels place allows wing give case impact Tail surfaces Both rudder stabil izer built using sprung rib meth od provides lightweight surface very strong Prepare cardboard form 1/16 smaller stabilizer fin used bend two pieces 1/32 x straight-grained basswood forms outlines Soak basswood am monia-water solution about 15 mm rinse thoroughly Apply thin bead white glue between laminations secure two pieces against edges cardboard form Waxing edges parafin childs crayon will make easy remove dry part Allow dry overnight Construction procedure same tail parts Secure laminated frame position over plans Cut position trailing edges Cut fit lower part ribs medium-hard 1/32 sheet balsa parts -in wide lies flat building surface Apply cement parts abut leading trailing edges Cut th spars position ribs over plans Apply cement contact ribs framework Now repeat rib-cutting process top rib parts Carefully position part place Apply CyA glue first trailing edge forcing part down over spars contact point leading edge final result streamline cross section horizontal stab built piece will necessary make tissue tracing half left stab align fuselage centerline upside down get right side horizontal stab has 1/32 sheet center section both top bottom bottom part rests against two 1/16 sheet stabilizer mount parts cemented top longeron entire tail assembly held place rubberbands stretched between 020 wire hooks retainers hooks KNIGHTS AIR y SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping cemented stab spars project down fuselage bottom ends rubberbands drawn through holes wedge-shaped balsa forms tail skid mount Slip bamboo retainer sliv ers place hold rubberbands method mounting tail surfaces allows convenient removal incidence changes Miscellaneous wing struts cut medium grade alsa sanded streamline shape Wire pins end reinforce mounting struts finally cemented place brace wires between struts may made black carpet thread covered model white tissue Peck-Polymers no parGIANT SCALE RETRACTS Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working olco struts Precision machined metal lightweight construction Air/hydraulic controls 13/ 16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $22000 shipping Wheels sold separately ORDER DIRECT ONLY William M Hawke 7148 Lasting Light Way Columbia MD 21045 _______________________301 730-5596 ticularly difficult areas comes covering MB-7 Note underside wing airfoil makes transi tion cambered section center semi-symmetrical tip sure cement tissue cambered portion Shrink covering light mist water alcohol Follow two coats clear nitrate dope diluted 50% October 1985 163 P-51 r P47 4 PAW DIESELS Englands Finest 049 35 RIC STD Suid $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 Circle numbers plans wish order 193 326 426 442 453 462 469 476 483 239 332 430 444 454 463 470 477 484 262 358 433 445 456 464 471 478 485 299 386 437 446 457 465 472 479 486 302 398 438 447 458 466 473 480 487 310 414 440 449 460 467 474 481 488 314 422 441 452 461 468 475 482 489 Plan price includes first class postage US delvery Air Man over 300 miles I For orders outside US e add $250 Air Mail $1 25 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ NAME STREET CITYI STATE ____________________________________________________________[v32][b953312299300]]ZIP ____________________________________________________________[v32][b163231279200]] thinner final coat should have silver powder added about much might held metal ferrule common pencil eraser ounce clear dope An airbrush will needed operation silver powder tends streak brushed-on Add details such fuselage numerals rudder stripes may painted cut tissue doped-on rudder numbers made rub-off transfers Aileron stab separation outlines inked airbrushed Paint engine rocker-arm covers flat black exhaust pipes can same adding slight spray silver black paint still wet adds realistic mottled look Rubbing parts powdered graphite heightens metallic simulation Add cooling louvers fuselage sides fake wing radiators top wing center section between Ribs 2 3 merely cut pieces coarse silk painted dirty brass color before cementing place giving pretty good illusion radiator texture pilot sculptured light balsa given couple coats sanding sealer Acrylic artists paints used final coloring scarf white tissue Flying 12 strands 3/16-in rubber used power model should about 36 long have tried both Sig FAI rubber find much different power curve between two Sig seems tolerate winds given length torque constant during usable power run FAI has aggressive torque right beginning drops off appreciably toward middle power run may wish experiment Balance model front strut incidence shown plans good starting point can easily add take out stab incidence necessary good starting point 20 downthrust about 30 right add field twig thrust plate get little downthrust during initial testing model haved perfectly Naturally replaced improvised part neat piece balsa got home next time flew it stalled again should have glued twig place Thomas-Morse MB-7 unusual subject Dont let novel arrangement wing stubby fuselage put off remarkably stable delight air would like propose competition class Pulitzer Schneider James Gor don Bennett other early racers Theres wealth nifty designs just wait ing built first block try model developed information three-views photos contained Thomas Foxworths superb book Speed Seekers well worth hunting though may out print 164 Model Aviation FULL SIZE PLANS No 487 Cap 21$1000 RC Scale Aerobatic plane 40-size engine Two sheets Wingspan 62 No 488 MB-$ 500 FF Jumbo Rubber Scale Thomas-Morse Scout spans 37 No 489 Undertaker$ 500 CL Foam-winged AMA Combat plane 36 engine pane 451A 47 No 193Stihtta CL Stunt model IMoOrmaldI winner 197819801 982 FAI Worn champ$ 375 No 239DIes Erda 110 Ken willards formation plane 4-channel 1 0power$ 375 Plo 212Crashmautar ci crasfrproof trainer two sizesI 5-30- 3540-power . $ 125 Ne 299Bee lee Sr Spartater nc %ocale Haffke 91 power Prototype span 30 ft Two-and-a-han sheets$1175 No 302Mliii FIS ac Sarpolos 049 docte fans oil flier 2-channel Balsa wings tail lose structure$ 275 No 3101530 Float Olpiam RC Sport Scale fer 35-40 4-channel Wingopan 56 4 scale Two sheets$ 625 Plo 314Drake t nc Kon Willards fling boat 3-channel 15-power Fly trom land removable gear$ 375 321Taylor Ceic Rc Don Srulls Schoolyard-Scale 049s 2-3 channel Spans 50 in$ 350 No 332Zephyr nc Small 2-channel glider hand-launch tow thermal slope souring$ 200 No 358floces FF lodnor Easy B Robber-power contest-winner W Van Gorder$100 No 306Liner 200 no Sport Scale replica championship Aerohatic flier Uses 40 power 4-5 channel Two sheets$1075 Ne 391Boo Bee 01 no Haffkes latest %-scale spans 75 weighs 15 lb flies 90 larger Four sheets Inn docf$2225 Ne 414ElectrIc Spetky 110 electric-powered fan flier 05 motor 3-channel 11015 scaled spi 939 rubber-power favorite$ 850 No 422Scoater 110 Two-Meter Sailplane has won Nato event 1982 1983 plus other contests$ 550 426OMna CDpper RO Fabulous 74-In-span Sport Scale flying bout bar 10-size engines 4-channel Three sheets 100 docf$2000 No430irmuldo RC Zippy little sportoterfor 10-15 powerand 3-channel 110$ 400 433 Watts Uto 110 Electric-powered glider 2-3 channels 035 motor spons 52 . $ 450 No437 KIogDatur CL Profile Carrier plane spans 40/ sues 35 engine$ 600 Ito 438debar FF Embryo Endurance rubber-power fuo ship has big-model characteristics$ 200 No 440CaneOar 110 Old-Timer-lIke new design has hage wing slow easy flights 35 power 3 channels Two sheets$1 725 No441 WIt FF Hot small lightweight competition ship 15 power designer Harry Murphy$ 475 No442Lazy Duck 110 ttig canard sport fIler AA-09 power 2 channels Uses team beard parts$ 650 No444Fbalielt 110 pusher canard sporolpattem uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 445No11th Cougar CL Scale model popular hmnebuilt won Hats Uses 21 engine spans 41 is$ 925 No 446La Crate 110 Electric-powered sport flier 05 motors 3-channels Two versions parasol cabin$ 550 No447WA Usa Aalertea 110 Old-Timer AA Texaco model 049 glow 2-channels$ 650 No 440Settee Cl SportlSluot plane 40-size 4-stroke engine builds foot easy$ 600 No452gee Seal 110 Quarter-scale spans 71% in. uses 90 power Four sheets$1600 No453 Sioeothia ProSe CL Profile rendition Bob Palmers soper-Stunter early Fifties 35 power$ 550 No454 swoat P-3D FF Neat stick-and-f boo Outdoor Rubber P30-class model contest-winner$ 200 No456 lit-Tech 2001 110 Ducted-fan futuristic-lookIng canard 25-size engines Built-up construction Threw sheets$1175 No457 Dttactra 110 Electric-power 05-size motor uses 3 different wings sport souring eerohahcs$ 700 No 458 Deoetlees CL Profile Carrier 1 5-power events Two sheets$ 57S No460 440110 Shoulder-wing sport flier 4-cycle 40-size engIne 4 channels$ 650 No461 Trlater Saneatermar CL Famous unflapped Stunter late Forties Uses 35 engine$ 650 No462 PeolNo P6 FF Jumbo Rubber Scale WW Italian obuervation plane$ 400 No 463 Ptefyhulmtathes Vk 110 IA Pylon racer uses lots life ply haiti-up structare strength lightaeas$ 475 No414 5oodeecer 01 hA sport flier io all-sheet-halsa can use Too Dee 049$ 325 Ne 465 ltoo Mast 110 Foo-fly oportuter 40-size engines spans 52 Lightweight structure$ 700 No466 cempotlter CL Stunter 60 power has 850 ng wing area$ 575 Na 467 Mu Spelt FF Rubber Scale design won 83 Nuts designer Don Srull Wingspan ls 26 in$ 250 No468 Smoother CL Stunter 29/35 powor Design bused hybrid SmoothielNobler$ 675 No 469 Doe Ittohet 110 Sport Scale rendering Polish homebuiti pusher Spans 75 sues 40-size 4-cycle engine Four sheets$2075 No470 Strakor 110 Mid-wing sportister uses 40/45 four-stroke engine spans 50% tail-dragger$ 650 No471 Mogan Aeon CL Profile Stunt trainer spans 54 in. uses 35/40 engine Flapped wing$ 575 No472 Parocreft 110 Craft has flexible poraf oil wing uses 3110 channels 60 engine$ 550 No473 Tunane 110 Sport scale turboprop trainer spans 66 sons 60/75 engines Three sheets$1250 No 474 Pacer 15 FF Nordic A-i Towline Glider woo 1983 World champs$ 500 No 475Beeptaynleuk ci Slow Combat model uses geodetic wing construction 36 engIne Two-sheet plan has ports pattems$ 400 No 476Mania 250 FF competition hA plane has manta-ray-shaped wing spans 43 in$ 500 No 477Maudads CL Sport Stunter uses sport 15 engine spans 35 -$ 325 No478Outternup 110 Cute elfin sportuter uses micro 2-ch 110 poise-redder Spans 27 tor 020-035 power$ 300 No479Four-Stroke boater 110 SportfAnrobutics ship haul 920s styling uses 90 4-stroke engine spaou 85 2 sheets$1100 No460Ildtcutoun OL Fabulous compelitbon Slonter has 550 sq wing area flies TO 0491051 spans 47% in$ 600 No 461deropa 110 Sailplane FAI competitise has fiberglass fuselage foam wings wing tiapa stabilator tail Spans 110 in$ 700 No402Beidee-Agor 110 Sport/Aerokatic model looks likes Golden Age sportuter 60 engians spans 62 in$ 750 No483dOS Hawk Uitralght FF Outdoor Gas Scale plane uses 00-2 power spans 29 $ 300 No 484Aerosol K 110 Osarter-Scale 305 lighlplane spans 9 ft. uses 12 co 0 2-cyl. 4-stroke engine weighs 11% lb Three sheets$1 975 No 455Hawker Nunter CL Fan-scale firitish let fighter has 1 8h-ln foam wing axes %A power$ 175 Na 456Mtles-Atwead Speclat 110 Sport-Scale Golden Age air-racer uses 21 engine spans 45 in$ 825 Os Os Co5 0 0 c 0 -Os oscr cc zo or0 0 - 00 sum su C - so 0 -c flb cs- sum 0 00 05 Os m C V coOs m C- 0 V mm 0su 0 Gm U or eec 0 Em a so N IL I I I I
Edition: Model Aviation - 1985/10
Page Numbers: 84, 85, 86, 87, 88, 162, 163, 164
Big picture author hand-launches test flight plane flies large left-hand circles averaging 40 sec 12 strands 3/16In rubber Flight adjustments easyto make thrust line can altered placing balsa acraps behind thrust plate Above two MB-7s built compete 1921 1922 Pulitzer Prize races particular modeled raced 1922 Number 7 Influenced early 1920s racing era models unique wing short fuselage combine make delightful Jumbo Scale rubber-powered project Flight qual ities outstanding U Bill Noonan itaoie ii isr-servic wasscau am4oiiar second i ne i nomas-Morse comp come intrigued exp ostensible successes British Martin syde company Alula wing principle decided incorporate design MB-7 Thomas maintained curious humved ion design butriy 19 thickness chord therebyower oh substantial change basic concept first MB-7 showed promise achiev- ing recorded speed 180 mph before conspi Left This view reveais modeis nice proportions adequate nose/tail moment arms Right simulated wing radiators made patches painted coarse silk cloth Aiieron elevator separations can indicated inked lines airbrushing immediately front cockpit being widest part fuselage Tem porarily clamp tail post together cement crosspieces place Cut remaining crosspieces confirming length checking top view plans Cement crosspieces place aft cockpit checking symmetry go End up cementing tail posts together Carefully cut upper lower lon gerons station front cockpit fine-tooth saw will ease operation Cement front fuselage frames back place noting taper toward nose top view plans Cement crosspieces finish part operation cementing circular nose Bulkhead place top cowl decking carved soft balsa hollowed-out about -in wall thickness makes peculiar transi tion absolutely round nose flat turtleback behind cockpit elements gives MIB-7 its character pays work slowly helpful have side Formers B through E cut out can used check top decking fairs-in nicely fuselage sides Make neces sary modifications Remember sides covered 1/32 sheet balsa back rear wing strut make al lowances fitting side formers Carefully cut cockpit opening top decking maintaining elliptical symme try Cut 1/32 sheet balsa cowl sides slightly oversize Trim fit holding place against fuselage confirm ac curate shape dimensions Cyanoacry late CyA glue works good advantage making final fit Wetting outside 1/32 sheet ammoniaand-water solution makes wood mal leable easier form Cut valve cover assemblies light balsa made carving unit single piece wood separating trailing fairing shown coneshaped leading fairing cut separately grain running vertically along centerline Exhaust collectors cut -in sheet balsa sanded streamline shape cross-over between valve covers soft -in sheet also faired streamline shape Add hard balsa breather pipe top carburetor intake under unit Before adding solid balsa lower cowl ing bend landing gear legs 1/32 wire care can bent single unit Bind crosspieces fuselage wire thread apply cement Rein forcing gussets applied crosspieces contact longerons help resist landing gear shock Cut apiece 045 wire about 7 long spreader bar Solder Vs landing gear legs spreader bar 86 Model Aviation Although short-coupled model exhibits excellent stabIlity tong ianaing gear aiiowa easy ROG launches Stabilizer incidence easily changed shim inserted between fuselage mount stab underside its excellent Jumbo Scale subject ns loca POIHI pIupaI ier maae oy laminating plywood over pitch block Birch dowel hubs Insert spinners brass boss Pins lock blades Lj ccIq 0 flOO Cuq jooiooo b0 sftco~rng rpoket z oc Co __ Cd bLaTHOMASMORSE MB7 oeooow,vIN Full-Size Plans Available. See Page 164 fairing built-up like small wing cemented place over wire Fit -in sheet balsa streamline leg fairings place both ends fit neatly respective contact surfaces 334-in-dia wheels may turned -in balsa two pieces -in sheet laminated right angles purchased commercially streamlined teardrop fairing juncture rear landing gear leg wing strut added after model covered prop unit freewheeling con tained inside hollowed-out balsa spinner Blades two pieces 1/64 ply laminated over pitch block have found type propeller improvement over carved ones main advantages ease replacement broken blades broad latitude pitch selection wellcarved balsa prop better looking may have aerodyamic edge think advantages cited outweigh factors prop boss -in ID brass drilled center accept 1/1 6-in-dia shaft spinner made laminating six pieces hard -in sheet balsa together right angles make 2 x 2 x 1-in cube will allow accurately drill drill press table tunnel brass boss will slip later Drill -in-dia hole through 1in-dimension centerline Insert birch dowel allowing about 2 protrude out side will become back spinner can chucked drill press hand drill spinner can turned lathe Rough-cutting circular shape before turning saves wear tear sandpaper makes operation safer turning sure hole drilled boss large end spinner finished cut off surplus birch dowel carefully cut through spin ner separate disc surrounds boss tube bullet-shaped nose portion Hollow-out nose accom modate freewheeling clutch Insert brass boss tube balsa disc cement place 1/64 circular plywood doubler back unit makes stronger part Bend 1/16-in wire prop shaft accept either bobbin Crockett rubber hook have good luck bobbin utilizing safety latch model powered 12 strands 3/16-in rubber becomes quite handful 900 turns winder bobbin facilitates transfer rubber Left close look Indexing block bobbin full load rubber 900 turns can hard handle bobbin has worked well helping transfer rubber winder prop shaft Right Wings easily removed fixed center section tongue pocket used alignment Rubberbands stretched between hooks wings underside hold panels place October 1985 87 Ii Left The disassembled model easy store transport Wings designed resist damage case OT impact tail sur faces can adjusted easily Right Lightening holes wing ribs lightness key ingredient model fly well can put punching tools made brass tubing Grind sharp cutting edge end tube rotate against wing rib together 1/64 plywood Joiner F Mark off rib positions spar slip ribs place Dont apply cement yet File notches ribs front rear spars leading edge Carefully force sparts place checking assembly symmetrical alignment everything OK apply CyA glue joints Cut trailing edge 3/16 sheet balsa cement place going make wings removable will necessary make tongue pocket parts index wing panels center section pocket made cutting two pieces hard 1/16 sheet balsa framing three edges inserting 3/32 sheet has reduced thickness almost 1/16 just enough oversize allow easy passage 1/16 balsa tongue projects wing panels Cement pockets place shown plans having first determined accurate position slot root rib may prefer cut slot both rib its 1/64 plywood doubler before final installa tion pocket 1/16-in ID aluminum tube set about ling edge allows insertion 1/16in OD allgnment pin keep wing panel correctly aligned center section Cut cabane strut mounts winder prop shaft prop shaft passes through 1/16 ply circular thrust plate right behind spinner assembly accommodates both thrust bearing indexing block cemented back fits snugly rectagular aperture Bulkhead Bend shaft 900 angle front brass boss after slipping small spring serves disengage clutch once rubber unwound Cement hollow spinner back place sure freewheeler works OK Add soft balsa headrest cement plywood tail skid slotted blocjc tail post Drill holes top decking receive bamboo cabane struts have sanded oval cross section cement struts place time Leaving until later facilitates centersection incidence adjustments Wing difficult part unusual Alula wing center section Start cutting ribs Slot receive main spar leave slotting smaller spars until later Make center-section main spar hard 1/16 x -in balsa four pieces make bridge-like part held hard 3/32 sheet balsa drill receive struts Note pieces cemented between Ribs 2 Add small blocks balsa about de Rib 4 along bottom provide base cement wing struts later after model covered strength wing comes primarily 1/32 sheet balsa leading edge carefully bent around airfoil Start cementing straight-grained balsa 1/20 x -in upper spar between Ribs 1 3 Apply solution ammonia water outside sheet draw around ribs same time using CyA glue rib sheet coypring finally cemented lower spar Trim away excess wood Repeat pro cess between Ribs 3 4 Fair sheet ribs produce unbroken airfoil outer wing panels utilize hard 1/16 sheet main spar tapers 11/16 atthe rootto b 9 Markoff rib stations slip ribs place File notches leading edge spars insert place Slip notched trailing edge place Check panel correct alignment sure root ribs panels mate center section proper dihedral Apply CyA joints Continued page 162 88 Model Aviation ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX K AMA Membership143 Ace Radio Control49 Airtronics82-83 Astro Flight1 28 B. Line22 B&B Custom Built Models158 Balsa USA13 Beercan Bombers128 Bergeron Enterprises146 Byron Originals47 CaRa Products152 Carolina-Taffinder156 Johnnie Casburn Mfg138 Chicago Model & Hobby Show145 Cleveland Model & Supply Co151 Eric Clutton163 Condor Trading Co120 Consumers Guide125 Coverite157 Cox Hobbies142 D&D Engineering159 DGA Designs154 Jim Denaro Model Products51 Dougs Hobby Shop148-149 Larry Dodge Aero Inc135 Du-Bro Products Inc11 FAI Model Supply129 FHS Supply Inc4 Fiberglass Master139 Flyline Models157 Fourmost Products146 Fox Mfg53 Futaba Corp America2 Gas Model Products162 Gator RC Products138 Carl Goldberg Models7 Golden Gate Hobbiess3 Gorham Model Products9 Great Planes Model Mfg Co1 1/5-scale B-25 Mitchell bombers squad ron A6M5 Zero fighters P-47 Thunder bolts P-si Mustangs F4U Corsair Stir together add couple manned 1/25-scale M-4 Sherman tanks sea son indescribable pyrotechnics yield extravaganza called Striking Back Jet Rally 85 unqualified success terms exhibiting ducted-fan airplanes modelers public alike equip ment evolving third generation fan units realistic jet performance Historic Aviation21 Hobby Barn122-123 Hobby Capitol Distributors156 Hobby Horn49 Hobby Lobby International150 Hobby World Imports152 Hobbypoxy160 Holleys Silent Flight155 Ikon Northwest Co146 Indy RC Sales Inc130-132 Jeffla Corp147 Jomar125 163 K&BMfg156 K&S Engineering121 Kin Craft159 Knights Air120163 Kraft Systems Inc23 Kustom Kraftsmanship133 L&L Model Products128 Lindsey Micro Products1 Se Lone Star Models43 MACS Products152 Mammoth Scale Plans129 Master Kit144 McDaniel RC Service20 Jim Messers Quality Model Prod142 Micro Mark141 Micro Model Engineering146 Model Magic Products154 Model Rectifier CorpCovers 2 3 Morley USA158 Mutchlers Hobbies126-127 National Soaring Society158 Nor-Ray Products Inc20 North Products149 Nowlen Aero140 Off Ground Models155 PK Products144 Pacer Technology161 levels now achievable Current devel opments directed improving opera bility simplifring usage average RC modeler Ducted-fan technology has matured evidence wide variety models seen future bright can look forward continued events type promote new dimension RC powered flight sincere thanks extended Byron Godbersen able staff worked long hard provide setting hospitality memorable Hal Payne Enterprises152 Peck-Polymers138 Penn Valley Hobby Center158 Pica Products12 Polks Model Craft Hobby24-25 RC Buyers Guide147 RC Novelties22 RC Video Magazine144 R&D Engineering160 RJL Industries142 Radio South135 Repla-Tech International135 RoushMfg134162 SR Batteries139 SachsbyTG140 Sailplanes World124 Satellite City77 Scale Model Research135 Schlueter Free Flight Models162 Shamrock Competition Imports129 Sheldons Hobby Shop8136-137 Sig Mfg Co14-15 159 Simcoe RC Aircraft Co74 Specialty Hardware Co140 St Croix Models20 Standale Aircraft1 34 T&D Fiberglass Specialties124 John Tatone Model Eng Access22 Tatone Products Co121 Texxon Precision Products45 Top Flite Models Inc124 Tower Hobbies153 WE Technical Services6 Williams Bros139 Wilshire Model Center149 Windsor Propeller Co51 Workshop Concepts119 World Hobbies157 World EnginesCover 4 Zenith Aviation PublicationsS events modeling history missed interested please note Jet Rally 86 has already scheduled June 21-22 1986 Ida Grove IA Plan now attend look forward seeing MB-7/Noonan Continued page 88 wing tips made laminating three pieces 1/32 x wood around cardboard form Join part Super sport flier turnaround pattern Balsa & ply construction 70 span 927 sq area 7A -BS lbs$1 j 7612 cu Dealer Inquiry Invited 1728 Sywood SE Canton OH 44707 Send $1 far Catalog 216 484681O RoUSH MFG 162 Model Aviation r Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 02 $995 Giant Kwik Set 6 Minute16 oz$1395 Half FastlOMinutelOoz$895 GMP AIRCRAFT INSTRUMENTS 80in31161143/81/2$ 149 40 3/4 inch $ 149 EASY OFF PULLER proper tool removing drive washersand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OM 45239 513 385-7398 oat dealer ord drect Pout dd $150 [I Schlueter Free Flight Models 3508 Poinsettia Ave Manhattan Beach Co 90266 Dealer Inquiries Invited S PACIFIC ACE BLACK BULLET PARTIAL KITS pIans&printedvod PACIF ACE o SLACIS BULLET 2OS32S30 70 40t665 ADD 5200 SHLPP5G FOR EACH KIT ORDERCA RES ADO 6/ TAX leading edge 1/20 x 3/16 part Cut wing indexing tongues hard 1/16 sheet balsa Hold temporarily place fitting panel against center section checking alignment proper dihedral Cement tongues place Apply 1/32 sheet balsa leading edge same manner done center section will necessary fabricate 1/32 sheet leading edge tip outboard Rib 9 independent unit pinched around laminated part cemented place Add root gusset 1/16 sheet collar surrounding sim ulated control horn horn cemented place after wing covered Trim trailing edge laminated tip fair-in smoothly airfoil After wing covered bend two sets retainer hooks wing set mounted spar other trailing edge underside stretched rubberband holds panels place allows wing give case impact Tail surfaces Both rudder stabil izer built using sprung rib meth od provides lightweight surface very strong Prepare cardboard form 1/16 smaller stabilizer fin used bend two pieces 1/32 x straight-grained basswood forms outlines Soak basswood am monia-water solution about 15 mm rinse thoroughly Apply thin bead white glue between laminations secure two pieces against edges cardboard form Waxing edges parafin childs crayon will make easy remove dry part Allow dry overnight Construction procedure same tail parts Secure laminated frame position over plans Cut position trailing edges Cut fit lower part ribs medium-hard 1/32 sheet balsa parts -in wide lies flat building surface Apply cement parts abut leading trailing edges Cut th spars position ribs over plans Apply cement contact ribs framework Now repeat rib-cutting process top rib parts Carefully position part place Apply CyA glue first trailing edge forcing part down over spars contact point leading edge final result streamline cross section horizontal stab built piece will necessary make tissue tracing half left stab align fuselage centerline upside down get right side horizontal stab has 1/32 sheet center section both top bottom bottom part rests against two 1/16 sheet stabilizer mount parts cemented top longeron entire tail assembly held place rubberbands stretched between 020 wire hooks retainers hooks KNIGHTS AIR y SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping cemented stab spars project down fuselage bottom ends rubberbands drawn through holes wedge-shaped balsa forms tail skid mount Slip bamboo retainer sliv ers place hold rubberbands method mounting tail surfaces allows convenient removal incidence changes Miscellaneous wing struts cut medium grade alsa sanded streamline shape Wire pins end reinforce mounting struts finally cemented place brace wires between struts may made black carpet thread covered model white tissue Peck-Polymers no parGIANT SCALE RETRACTS Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working olco struts Precision machined metal lightweight construction Air/hydraulic controls 13/ 16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $22000 shipping Wheels sold separately ORDER DIRECT ONLY William M Hawke 7148 Lasting Light Way Columbia MD 21045 _______________________301 730-5596 ticularly difficult areas comes covering MB-7 Note underside wing airfoil makes transi tion cambered section center semi-symmetrical tip sure cement tissue cambered portion Shrink covering light mist water alcohol Follow two coats clear nitrate dope diluted 50% October 1985 163 P-51 r P47 4 PAW DIESELS Englands Finest 049 35 RIC STD Suid $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 Circle numbers plans wish order 193 326 426 442 453 462 469 476 483 239 332 430 444 454 463 470 477 484 262 358 433 445 456 464 471 478 485 299 386 437 446 457 465 472 479 486 302 398 438 447 458 466 473 480 487 310 414 440 449 460 467 474 481 488 314 422 441 452 461 468 475 482 489 Plan price includes first class postage US delvery Air Man over 300 miles I For orders outside US e add $250 Air Mail $1 25 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ NAME STREET CITYI STATE ____________________________________________________________[v32][b953312299300]]ZIP ____________________________________________________________[v32][b163231279200]] thinner final coat should have silver powder added about much might held metal ferrule common pencil eraser ounce clear dope An airbrush will needed operation silver powder tends streak brushed-on Add details such fuselage numerals rudder stripes may painted cut tissue doped-on rudder numbers made rub-off transfers Aileron stab separation outlines inked airbrushed Paint engine rocker-arm covers flat black exhaust pipes can same adding slight spray silver black paint still wet adds realistic mottled look Rubbing parts powdered graphite heightens metallic simulation Add cooling louvers fuselage sides fake wing radiators top wing center section between Ribs 2 3 merely cut pieces coarse silk painted dirty brass color before cementing place giving pretty good illusion radiator texture pilot sculptured light balsa given couple coats sanding sealer Acrylic artists paints used final coloring scarf white tissue Flying 12 strands 3/16-in rubber used power model should about 36 long have tried both Sig FAI rubber find much different power curve between two Sig seems tolerate winds given length torque constant during usable power run FAI has aggressive torque right beginning drops off appreciably toward middle power run may wish experiment Balance model front strut incidence shown plans good starting point can easily add take out stab incidence necessary good starting point 20 downthrust about 30 right add field twig thrust plate get little downthrust during initial testing model haved perfectly Naturally replaced improvised part neat piece balsa got home next time flew it stalled again should have glued twig place Thomas-Morse MB-7 unusual subject Dont let novel arrangement wing stubby fuselage put off remarkably stable delight air would like propose competition class Pulitzer Schneider James Gor don Bennett other early racers Theres wealth nifty designs just wait ing built first block try model developed information three-views photos contained Thomas Foxworths superb book Speed Seekers well worth hunting though may out print 164 Model Aviation FULL SIZE PLANS No 487 Cap 21$1000 RC Scale Aerobatic plane 40-size engine Two sheets Wingspan 62 No 488 MB-$ 500 FF Jumbo Rubber Scale Thomas-Morse Scout spans 37 No 489 Undertaker$ 500 CL Foam-winged AMA Combat plane 36 engine pane 451A 47 No 193Stihtta CL Stunt model IMoOrmaldI winner 197819801 982 FAI Worn champ$ 375 No 239DIes Erda 110 Ken willards formation plane 4-channel 1 0power$ 375 Plo 212Crashmautar ci crasfrproof trainer two sizesI 5-30- 3540-power . $ 125 Ne 299Bee lee Sr Spartater nc %ocale Haffke 91 power Prototype span 30 ft Two-and-a-han sheets$1175 No 302Mliii FIS ac Sarpolos 049 docte fans oil flier 2-channel Balsa wings tail lose structure$ 275 No 3101530 Float Olpiam RC Sport Scale fer 35-40 4-channel Wingopan 56 4 scale Two sheets$ 625 Plo 314Drake t nc Kon Willards fling boat 3-channel 15-power Fly trom land removable gear$ 375 321Taylor Ceic Rc Don Srulls Schoolyard-Scale 049s 2-3 channel Spans 50 in$ 350 No 332Zephyr nc Small 2-channel glider hand-launch tow thermal slope souring$ 200 No 358floces FF lodnor Easy B Robber-power contest-winner W Van Gorder$100 No 306Liner 200 no Sport Scale replica championship Aerohatic flier Uses 40 power 4-5 channel Two sheets$1075 Ne 391Boo Bee 01 no Haffkes latest %-scale spans 75 weighs 15 lb flies 90 larger Four sheets Inn docf$2225 Ne 414ElectrIc Spetky 110 electric-powered fan flier 05 motor 3-channel 11015 scaled spi 939 rubber-power favorite$ 850 No 422Scoater 110 Two-Meter Sailplane has won Nato event 1982 1983 plus other contests$ 550 426OMna CDpper RO Fabulous 74-In-span Sport Scale flying bout bar 10-size engines 4-channel Three sheets 100 docf$2000 No430irmuldo RC Zippy little sportoterfor 10-15 powerand 3-channel 110$ 400 433 Watts Uto 110 Electric-powered glider 2-3 channels 035 motor spons 52 . $ 450 No437 KIogDatur CL Profile Carrier plane spans 40/ sues 35 engine$ 600 Ito 438debar FF Embryo Endurance rubber-power fuo ship has big-model characteristics$ 200 No 440CaneOar 110 Old-Timer-lIke new design has hage wing slow easy flights 35 power 3 channels Two sheets$1 725 No441 WIt FF Hot small lightweight competition ship 15 power designer Harry Murphy$ 475 No442Lazy Duck 110 ttig canard sport fIler AA-09 power 2 channels Uses team beard parts$ 650 No444Fbalielt 110 pusher canard sporolpattem uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 445No11th Cougar CL Scale model popular hmnebuilt won Hats Uses 21 engine spans 41 is$ 925 No 446La Crate 110 Electric-powered sport flier 05 motors 3-channels Two versions parasol cabin$ 550 No447WA Usa Aalertea 110 Old-Timer AA Texaco model 049 glow 2-channels$ 650 No 440Settee Cl SportlSluot plane 40-size 4-stroke engine builds foot easy$ 600 No452gee Seal 110 Quarter-scale spans 71% in. uses 90 power Four sheets$1600 No453 Sioeothia ProSe CL Profile rendition Bob Palmers soper-Stunter early Fifties 35 power$ 550 No454 swoat P-3D FF Neat stick-and-f boo Outdoor Rubber P30-class model contest-winner$ 200 No456 lit-Tech 2001 110 Ducted-fan futuristic-lookIng canard 25-size engines Built-up construction Threw sheets$1175 No457 Dttactra 110 Electric-power 05-size motor uses 3 different wings sport souring eerohahcs$ 700 No 458 Deoetlees CL Profile Carrier 1 5-power events Two sheets$ 57S No460 440110 Shoulder-wing sport flier 4-cycle 40-size engIne 4 channels$ 650 No461 Trlater Saneatermar CL Famous unflapped Stunter late Forties Uses 35 engine$ 650 No462 PeolNo P6 FF Jumbo Rubber Scale WW Italian obuervation plane$ 400 No 463 Ptefyhulmtathes Vk 110 IA Pylon racer uses lots life ply haiti-up structare strength lightaeas$ 475 No414 5oodeecer 01 hA sport flier io all-sheet-halsa can use Too Dee 049$ 325 Ne 465 ltoo Mast 110 Foo-fly oportuter 40-size engines spans 52 Lightweight structure$ 700 No466 cempotlter CL Stunter 60 power has 850 ng wing area$ 575 Na 467 Mu Spelt FF Rubber Scale design won 83 Nuts designer Don Srull Wingspan ls 26 in$ 250 No468 Smoother CL Stunter 29/35 powor Design bused hybrid SmoothielNobler$ 675 No 469 Doe Ittohet 110 Sport Scale rendering Polish homebuiti pusher Spans 75 sues 40-size 4-cycle engine Four sheets$2075 No470 Strakor 110 Mid-wing sportister uses 40/45 four-stroke engine spans 50% tail-dragger$ 650 No471 Mogan Aeon CL Profile Stunt trainer spans 54 in. uses 35/40 engine Flapped wing$ 575 No472 Parocreft 110 Craft has flexible poraf oil wing uses 3110 channels 60 engine$ 550 No473 Tunane 110 Sport scale turboprop trainer spans 66 sons 60/75 engines Three sheets$1250 No 474 Pacer 15 FF Nordic A-i Towline Glider woo 1983 World champs$ 500 No 475Beeptaynleuk ci Slow Combat model uses geodetic wing construction 36 engIne Two-sheet plan has ports pattems$ 400 No 476Mania 250 FF competition hA plane has manta-ray-shaped wing spans 43 in$ 500 No 477Maudads CL Sport Stunter uses sport 15 engine spans 35 -$ 325 No478Outternup 110 Cute elfin sportuter uses micro 2-ch 110 poise-redder Spans 27 tor 020-035 power$ 300 No479Four-Stroke boater 110 SportfAnrobutics ship haul 920s styling uses 90 4-stroke engine spaou 85 2 sheets$1100 No460Ildtcutoun OL Fabulous compelitbon Slonter has 550 sq wing area flies TO 0491051 spans 47% in$ 600 No 461deropa 110 Sailplane FAI competitise has fiberglass fuselage foam wings wing tiapa stabilator tail Spans 110 in$ 700 No402Beidee-Agor 110 Sport/Aerokatic model looks likes Golden Age sportuter 60 engians spans 62 in$ 750 No483dOS Hawk Uitralght FF Outdoor Gas Scale plane uses 00-2 power spans 29 $ 300 No 484Aerosol K 110 Osarter-Scale 305 lighlplane spans 9 ft. uses 12 co 0 2-cyl. 4-stroke engine weighs 11% lb Three sheets$1 975 No 455Hawker Nunter CL Fan-scale firitish let fighter has 1 8h-ln foam wing axes %A power$ 175 Na 456Mtles-Atwead Speclat 110 Sport-Scale Golden Age air-racer uses 21 engine spans 45 in$ 825 Os Os Co5 0 0 c 0 -Os oscr cc zo or0 0 - 00 sum su C - so 0 -c flb cs- sum 0 00 05 Os m C V coOs m C- 0 V mm 0su 0 Gm U or eec 0 Em a so N IL I I I I
Edition: Model Aviation - 1985/10
Page Numbers: 84, 85, 86, 87, 88, 162, 163, 164
Big picture author hand-launches test flight plane flies large left-hand circles averaging 40 sec 12 strands 3/16In rubber Flight adjustments easyto make thrust line can altered placing balsa acraps behind thrust plate Above two MB-7s built compete 1921 1922 Pulitzer Prize races particular modeled raced 1922 Number 7 Influenced early 1920s racing era models unique wing short fuselage combine make delightful Jumbo Scale rubber-powered project Flight qual ities outstanding U Bill Noonan itaoie ii isr-servic wasscau am4oiiar second i ne i nomas-Morse comp come intrigued exp ostensible successes British Martin syde company Alula wing principle decided incorporate design MB-7 Thomas maintained curious humved ion design butriy 19 thickness chord therebyower oh substantial change basic concept first MB-7 showed promise achiev- ing recorded speed 180 mph before conspi Left This view reveais modeis nice proportions adequate nose/tail moment arms Right simulated wing radiators made patches painted coarse silk cloth Aiieron elevator separations can indicated inked lines airbrushing immediately front cockpit being widest part fuselage Tem porarily clamp tail post together cement crosspieces place Cut remaining crosspieces confirming length checking top view plans Cement crosspieces place aft cockpit checking symmetry go End up cementing tail posts together Carefully cut upper lower lon gerons station front cockpit fine-tooth saw will ease operation Cement front fuselage frames back place noting taper toward nose top view plans Cement crosspieces finish part operation cementing circular nose Bulkhead place top cowl decking carved soft balsa hollowed-out about -in wall thickness makes peculiar transi tion absolutely round nose flat turtleback behind cockpit elements gives MIB-7 its character pays work slowly helpful have side Formers B through E cut out can used check top decking fairs-in nicely fuselage sides Make neces sary modifications Remember sides covered 1/32 sheet balsa back rear wing strut make al lowances fitting side formers Carefully cut cockpit opening top decking maintaining elliptical symme try Cut 1/32 sheet balsa cowl sides slightly oversize Trim fit holding place against fuselage confirm ac curate shape dimensions Cyanoacry late CyA glue works good advantage making final fit Wetting outside 1/32 sheet ammoniaand-water solution makes wood mal leable easier form Cut valve cover assemblies light balsa made carving unit single piece wood separating trailing fairing shown coneshaped leading fairing cut separately grain running vertically along centerline Exhaust collectors cut -in sheet balsa sanded streamline shape cross-over between valve covers soft -in sheet also faired streamline shape Add hard balsa breather pipe top carburetor intake under unit Before adding solid balsa lower cowl ing bend landing gear legs 1/32 wire care can bent single unit Bind crosspieces fuselage wire thread apply cement Rein forcing gussets applied crosspieces contact longerons help resist landing gear shock Cut apiece 045 wire about 7 long spreader bar Solder Vs landing gear legs spreader bar 86 Model Aviation Although short-coupled model exhibits excellent stabIlity tong ianaing gear aiiowa easy ROG launches Stabilizer incidence easily changed shim inserted between fuselage mount stab underside its excellent Jumbo Scale subject ns loca POIHI pIupaI ier maae oy laminating plywood over pitch block Birch dowel hubs Insert spinners brass boss Pins lock blades Lj ccIq 0 flOO Cuq jooiooo b0 sftco~rng rpoket z oc Co __ Cd bLaTHOMASMORSE MB7 oeooow,vIN Full-Size Plans Available. See Page 164 fairing built-up like small wing cemented place over wire Fit -in sheet balsa streamline leg fairings place both ends fit neatly respective contact surfaces 334-in-dia wheels may turned -in balsa two pieces -in sheet laminated right angles purchased commercially streamlined teardrop fairing juncture rear landing gear leg wing strut added after model covered prop unit freewheeling con tained inside hollowed-out balsa spinner Blades two pieces 1/64 ply laminated over pitch block have found type propeller improvement over carved ones main advantages ease replacement broken blades broad latitude pitch selection wellcarved balsa prop better looking may have aerodyamic edge think advantages cited outweigh factors prop boss -in ID brass drilled center accept 1/1 6-in-dia shaft spinner made laminating six pieces hard -in sheet balsa together right angles make 2 x 2 x 1-in cube will allow accurately drill drill press table tunnel brass boss will slip later Drill -in-dia hole through 1in-dimension centerline Insert birch dowel allowing about 2 protrude out side will become back spinner can chucked drill press hand drill spinner can turned lathe Rough-cutting circular shape before turning saves wear tear sandpaper makes operation safer turning sure hole drilled boss large end spinner finished cut off surplus birch dowel carefully cut through spin ner separate disc surrounds boss tube bullet-shaped nose portion Hollow-out nose accom modate freewheeling clutch Insert brass boss tube balsa disc cement place 1/64 circular plywood doubler back unit makes stronger part Bend 1/16-in wire prop shaft accept either bobbin Crockett rubber hook have good luck bobbin utilizing safety latch model powered 12 strands 3/16-in rubber becomes quite handful 900 turns winder bobbin facilitates transfer rubber Left close look Indexing block bobbin full load rubber 900 turns can hard handle bobbin has worked well helping transfer rubber winder prop shaft Right Wings easily removed fixed center section tongue pocket used alignment Rubberbands stretched between hooks wings underside hold panels place October 1985 87 Ii Left The disassembled model easy store transport Wings designed resist damage case OT impact tail sur faces can adjusted easily Right Lightening holes wing ribs lightness key ingredient model fly well can put punching tools made brass tubing Grind sharp cutting edge end tube rotate against wing rib together 1/64 plywood Joiner F Mark off rib positions spar slip ribs place Dont apply cement yet File notches ribs front rear spars leading edge Carefully force sparts place checking assembly symmetrical alignment everything OK apply CyA glue joints Cut trailing edge 3/16 sheet balsa cement place going make wings removable will necessary make tongue pocket parts index wing panels center section pocket made cutting two pieces hard 1/16 sheet balsa framing three edges inserting 3/32 sheet has reduced thickness almost 1/16 just enough oversize allow easy passage 1/16 balsa tongue projects wing panels Cement pockets place shown plans having first determined accurate position slot root rib may prefer cut slot both rib its 1/64 plywood doubler before final installa tion pocket 1/16-in ID aluminum tube set about ling edge allows insertion 1/16in OD allgnment pin keep wing panel correctly aligned center section Cut cabane strut mounts winder prop shaft prop shaft passes through 1/16 ply circular thrust plate right behind spinner assembly accommodates both thrust bearing indexing block cemented back fits snugly rectagular aperture Bulkhead Bend shaft 900 angle front brass boss after slipping small spring serves disengage clutch once rubber unwound Cement hollow spinner back place sure freewheeler works OK Add soft balsa headrest cement plywood tail skid slotted blocjc tail post Drill holes top decking receive bamboo cabane struts have sanded oval cross section cement struts place time Leaving until later facilitates centersection incidence adjustments Wing difficult part unusual Alula wing center section Start cutting ribs Slot receive main spar leave slotting smaller spars until later Make center-section main spar hard 1/16 x -in balsa four pieces make bridge-like part held hard 3/32 sheet balsa drill receive struts Note pieces cemented between Ribs 2 Add small blocks balsa about de Rib 4 along bottom provide base cement wing struts later after model covered strength wing comes primarily 1/32 sheet balsa leading edge carefully bent around airfoil Start cementing straight-grained balsa 1/20 x -in upper spar between Ribs 1 3 Apply solution ammonia water outside sheet draw around ribs same time using CyA glue rib sheet coypring finally cemented lower spar Trim away excess wood Repeat pro cess between Ribs 3 4 Fair sheet ribs produce unbroken airfoil outer wing panels utilize hard 1/16 sheet main spar tapers 11/16 atthe rootto b 9 Markoff rib stations slip ribs place File notches leading edge spars insert place Slip notched trailing edge place Check panel correct alignment sure root ribs panels mate center section proper dihedral Apply CyA joints Continued page 162 88 Model Aviation ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX K AMA Membership143 Ace Radio Control49 Airtronics82-83 Astro Flight1 28 B. Line22 B&B Custom Built Models158 Balsa USA13 Beercan Bombers128 Bergeron Enterprises146 Byron Originals47 CaRa Products152 Carolina-Taffinder156 Johnnie Casburn Mfg138 Chicago Model & Hobby Show145 Cleveland Model & Supply Co151 Eric Clutton163 Condor Trading Co120 Consumers Guide125 Coverite157 Cox Hobbies142 D&D Engineering159 DGA Designs154 Jim Denaro Model Products51 Dougs Hobby Shop148-149 Larry Dodge Aero Inc135 Du-Bro Products Inc11 FAI Model Supply129 FHS Supply Inc4 Fiberglass Master139 Flyline Models157 Fourmost Products146 Fox Mfg53 Futaba Corp America2 Gas Model Products162 Gator RC Products138 Carl Goldberg Models7 Golden Gate Hobbiess3 Gorham Model Products9 Great Planes Model Mfg Co1 1/5-scale B-25 Mitchell bombers squad ron A6M5 Zero fighters P-47 Thunder bolts P-si Mustangs F4U Corsair Stir together add couple manned 1/25-scale M-4 Sherman tanks sea son indescribable pyrotechnics yield extravaganza called Striking Back Jet Rally 85 unqualified success terms exhibiting ducted-fan airplanes modelers public alike equip ment evolving third generation fan units realistic jet performance Historic Aviation21 Hobby Barn122-123 Hobby Capitol Distributors156 Hobby Horn49 Hobby Lobby International150 Hobby World Imports152 Hobbypoxy160 Holleys Silent Flight155 Ikon Northwest Co146 Indy RC Sales Inc130-132 Jeffla Corp147 Jomar125 163 K&BMfg156 K&S Engineering121 Kin Craft159 Knights Air120163 Kraft Systems Inc23 Kustom Kraftsmanship133 L&L Model Products128 Lindsey Micro Products1 Se Lone Star Models43 MACS Products152 Mammoth Scale Plans129 Master Kit144 McDaniel RC Service20 Jim Messers Quality Model Prod142 Micro Mark141 Micro Model Engineering146 Model Magic Products154 Model Rectifier CorpCovers 2 3 Morley USA158 Mutchlers Hobbies126-127 National Soaring Society158 Nor-Ray Products Inc20 North Products149 Nowlen Aero140 Off Ground Models155 PK Products144 Pacer Technology161 levels now achievable Current devel opments directed improving opera bility simplifring usage average RC modeler Ducted-fan technology has matured evidence wide variety models seen future bright can look forward continued events type promote new dimension RC powered flight sincere thanks extended Byron Godbersen able staff worked long hard provide setting hospitality memorable Hal Payne Enterprises152 Peck-Polymers138 Penn Valley Hobby Center158 Pica Products12 Polks Model Craft Hobby24-25 RC Buyers Guide147 RC Novelties22 RC Video Magazine144 R&D Engineering160 RJL Industries142 Radio South135 Repla-Tech International135 RoushMfg134162 SR Batteries139 SachsbyTG140 Sailplanes World124 Satellite City77 Scale Model Research135 Schlueter Free Flight Models162 Shamrock Competition Imports129 Sheldons Hobby Shop8136-137 Sig Mfg Co14-15 159 Simcoe RC Aircraft Co74 Specialty Hardware Co140 St Croix Models20 Standale Aircraft1 34 T&D Fiberglass Specialties124 John Tatone Model Eng Access22 Tatone Products Co121 Texxon Precision Products45 Top Flite Models Inc124 Tower Hobbies153 WE Technical Services6 Williams Bros139 Wilshire Model Center149 Windsor Propeller Co51 Workshop Concepts119 World Hobbies157 World EnginesCover 4 Zenith Aviation PublicationsS events modeling history missed interested please note Jet Rally 86 has already scheduled June 21-22 1986 Ida Grove IA Plan now attend look forward seeing MB-7/Noonan Continued page 88 wing tips made laminating three pieces 1/32 x wood around cardboard form Join part Super sport flier turnaround pattern Balsa & ply construction 70 span 927 sq area 7A -BS lbs$1 j 7612 cu Dealer Inquiry Invited 1728 Sywood SE Canton OH 44707 Send $1 far Catalog 216 484681O RoUSH MFG 162 Model Aviation r Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 02 $995 Giant Kwik Set 6 Minute16 oz$1395 Half FastlOMinutelOoz$895 GMP AIRCRAFT INSTRUMENTS 80in31161143/81/2$ 149 40 3/4 inch $ 149 EASY OFF PULLER proper tool removing drive washersand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OM 45239 513 385-7398 oat dealer ord drect Pout dd $150 [I Schlueter Free Flight Models 3508 Poinsettia Ave Manhattan Beach Co 90266 Dealer Inquiries Invited S PACIFIC ACE BLACK BULLET PARTIAL KITS pIans&printedvod PACIF ACE o SLACIS BULLET 2OS32S30 70 40t665 ADD 5200 SHLPP5G FOR EACH KIT ORDERCA RES ADO 6/ TAX leading edge 1/20 x 3/16 part Cut wing indexing tongues hard 1/16 sheet balsa Hold temporarily place fitting panel against center section checking alignment proper dihedral Cement tongues place Apply 1/32 sheet balsa leading edge same manner done center section will necessary fabricate 1/32 sheet leading edge tip outboard Rib 9 independent unit pinched around laminated part cemented place Add root gusset 1/16 sheet collar surrounding sim ulated control horn horn cemented place after wing covered Trim trailing edge laminated tip fair-in smoothly airfoil After wing covered bend two sets retainer hooks wing set mounted spar other trailing edge underside stretched rubberband holds panels place allows wing give case impact Tail surfaces Both rudder stabil izer built using sprung rib meth od provides lightweight surface very strong Prepare cardboard form 1/16 smaller stabilizer fin used bend two pieces 1/32 x straight-grained basswood forms outlines Soak basswood am monia-water solution about 15 mm rinse thoroughly Apply thin bead white glue between laminations secure two pieces against edges cardboard form Waxing edges parafin childs crayon will make easy remove dry part Allow dry overnight Construction procedure same tail parts Secure laminated frame position over plans Cut position trailing edges Cut fit lower part ribs medium-hard 1/32 sheet balsa parts -in wide lies flat building surface Apply cement parts abut leading trailing edges Cut th spars position ribs over plans Apply cement contact ribs framework Now repeat rib-cutting process top rib parts Carefully position part place Apply CyA glue first trailing edge forcing part down over spars contact point leading edge final result streamline cross section horizontal stab built piece will necessary make tissue tracing half left stab align fuselage centerline upside down get right side horizontal stab has 1/32 sheet center section both top bottom bottom part rests against two 1/16 sheet stabilizer mount parts cemented top longeron entire tail assembly held place rubberbands stretched between 020 wire hooks retainers hooks KNIGHTS AIR y SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping cemented stab spars project down fuselage bottom ends rubberbands drawn through holes wedge-shaped balsa forms tail skid mount Slip bamboo retainer sliv ers place hold rubberbands method mounting tail surfaces allows convenient removal incidence changes Miscellaneous wing struts cut medium grade alsa sanded streamline shape Wire pins end reinforce mounting struts finally cemented place brace wires between struts may made black carpet thread covered model white tissue Peck-Polymers no parGIANT SCALE RETRACTS Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working olco struts Precision machined metal lightweight construction Air/hydraulic controls 13/ 16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $22000 shipping Wheels sold separately ORDER DIRECT ONLY William M Hawke 7148 Lasting Light Way Columbia MD 21045 _______________________301 730-5596 ticularly difficult areas comes covering MB-7 Note underside wing airfoil makes transi tion cambered section center semi-symmetrical tip sure cement tissue cambered portion Shrink covering light mist water alcohol Follow two coats clear nitrate dope diluted 50% October 1985 163 P-51 r P47 4 PAW DIESELS Englands Finest 049 35 RIC STD Suid $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 Circle numbers plans wish order 193 326 426 442 453 462 469 476 483 239 332 430 444 454 463 470 477 484 262 358 433 445 456 464 471 478 485 299 386 437 446 457 465 472 479 486 302 398 438 447 458 466 473 480 487 310 414 440 449 460 467 474 481 488 314 422 441 452 461 468 475 482 489 Plan price includes first class postage US delvery Air Man over 300 miles I For orders outside US e add $250 Air Mail $1 25 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ NAME STREET CITYI STATE ____________________________________________________________[v32][b953312299300]]ZIP ____________________________________________________________[v32][b163231279200]] thinner final coat should have silver powder added about much might held metal ferrule common pencil eraser ounce clear dope An airbrush will needed operation silver powder tends streak brushed-on Add details such fuselage numerals rudder stripes may painted cut tissue doped-on rudder numbers made rub-off transfers Aileron stab separation outlines inked airbrushed Paint engine rocker-arm covers flat black exhaust pipes can same adding slight spray silver black paint still wet adds realistic mottled look Rubbing parts powdered graphite heightens metallic simulation Add cooling louvers fuselage sides fake wing radiators top wing center section between Ribs 2 3 merely cut pieces coarse silk painted dirty brass color before cementing place giving pretty good illusion radiator texture pilot sculptured light balsa given couple coats sanding sealer Acrylic artists paints used final coloring scarf white tissue Flying 12 strands 3/16-in rubber used power model should about 36 long have tried both Sig FAI rubber find much different power curve between two Sig seems tolerate winds given length torque constant during usable power run FAI has aggressive torque right beginning drops off appreciably toward middle power run may wish experiment Balance model front strut incidence shown plans good starting point can easily add take out stab incidence necessary good starting point 20 downthrust about 30 right add field twig thrust plate get little downthrust during initial testing model haved perfectly Naturally replaced improvised part neat piece balsa got home next time flew it stalled again should have glued twig place Thomas-Morse MB-7 unusual subject Dont let novel arrangement wing stubby fuselage put off remarkably stable delight air would like propose competition class Pulitzer Schneider James Gor don Bennett other early racers Theres wealth nifty designs just wait ing built first block try model developed information three-views photos contained Thomas Foxworths superb book Speed Seekers well worth hunting though may out print 164 Model Aviation FULL SIZE PLANS No 487 Cap 21$1000 RC Scale Aerobatic plane 40-size engine Two sheets Wingspan 62 No 488 MB-$ 500 FF Jumbo Rubber Scale Thomas-Morse Scout spans 37 No 489 Undertaker$ 500 CL Foam-winged AMA Combat plane 36 engine pane 451A 47 No 193Stihtta CL Stunt model IMoOrmaldI winner 197819801 982 FAI Worn champ$ 375 No 239DIes Erda 110 Ken willards formation plane 4-channel 1 0power$ 375 Plo 212Crashmautar ci crasfrproof trainer two sizesI 5-30- 3540-power . $ 125 Ne 299Bee lee Sr Spartater nc %ocale Haffke 91 power Prototype span 30 ft Two-and-a-han sheets$1175 No 302Mliii FIS ac Sarpolos 049 docte fans oil flier 2-channel Balsa wings tail lose structure$ 275 No 3101530 Float Olpiam RC Sport Scale fer 35-40 4-channel Wingopan 56 4 scale Two sheets$ 625 Plo 314Drake t nc Kon Willards fling boat 3-channel 15-power Fly trom land removable gear$ 375 321Taylor Ceic Rc Don Srulls Schoolyard-Scale 049s 2-3 channel Spans 50 in$ 350 No 332Zephyr nc Small 2-channel glider hand-launch tow thermal slope souring$ 200 No 358floces FF lodnor Easy B Robber-power contest-winner W Van Gorder$100 No 306Liner 200 no Sport Scale replica championship Aerohatic flier Uses 40 power 4-5 channel Two sheets$1075 Ne 391Boo Bee 01 no Haffkes latest %-scale spans 75 weighs 15 lb flies 90 larger Four sheets Inn docf$2225 Ne 414ElectrIc Spetky 110 electric-powered fan flier 05 motor 3-channel 11015 scaled spi 939 rubber-power favorite$ 850 No 422Scoater 110 Two-Meter Sailplane has won Nato event 1982 1983 plus other contests$ 550 426OMna CDpper RO Fabulous 74-In-span Sport Scale flying bout bar 10-size engines 4-channel Three sheets 100 docf$2000 No430irmuldo RC Zippy little sportoterfor 10-15 powerand 3-channel 110$ 400 433 Watts Uto 110 Electric-powered glider 2-3 channels 035 motor spons 52 . $ 450 No437 KIogDatur CL Profile Carrier plane spans 40/ sues 35 engine$ 600 Ito 438debar FF Embryo Endurance rubber-power fuo ship has big-model characteristics$ 200 No 440CaneOar 110 Old-Timer-lIke new design has hage wing slow easy flights 35 power 3 channels Two sheets$1 725 No441 WIt FF Hot small lightweight competition ship 15 power designer Harry Murphy$ 475 No442Lazy Duck 110 ttig canard sport fIler AA-09 power 2 channels Uses team beard parts$ 650 No444Fbalielt 110 pusher canard sporolpattem uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 445No11th Cougar CL Scale model popular hmnebuilt won Hats Uses 21 engine spans 41 is$ 925 No 446La Crate 110 Electric-powered sport flier 05 motors 3-channels Two versions parasol cabin$ 550 No447WA Usa Aalertea 110 Old-Timer AA Texaco model 049 glow 2-channels$ 650 No 440Settee Cl SportlSluot plane 40-size 4-stroke engine builds foot easy$ 600 No452gee Seal 110 Quarter-scale spans 71% in. uses 90 power Four sheets$1600 No453 Sioeothia ProSe CL Profile rendition Bob Palmers soper-Stunter early Fifties 35 power$ 550 No454 swoat P-3D FF Neat stick-and-f boo Outdoor Rubber P30-class model contest-winner$ 200 No456 lit-Tech 2001 110 Ducted-fan futuristic-lookIng canard 25-size engines Built-up construction Threw sheets$1175 No457 Dttactra 110 Electric-power 05-size motor uses 3 different wings sport souring eerohahcs$ 700 No 458 Deoetlees CL Profile Carrier 1 5-power events Two sheets$ 57S No460 440110 Shoulder-wing sport flier 4-cycle 40-size engIne 4 channels$ 650 No461 Trlater Saneatermar CL Famous unflapped Stunter late Forties Uses 35 engine$ 650 No462 PeolNo P6 FF Jumbo Rubber Scale WW Italian obuervation plane$ 400 No 463 Ptefyhulmtathes Vk 110 IA Pylon racer uses lots life ply haiti-up structare strength lightaeas$ 475 No414 5oodeecer 01 hA sport flier io all-sheet-halsa can use Too Dee 049$ 325 Ne 465 ltoo Mast 110 Foo-fly oportuter 40-size engines spans 52 Lightweight structure$ 700 No466 cempotlter CL Stunter 60 power has 850 ng wing area$ 575 Na 467 Mu Spelt FF Rubber Scale design won 83 Nuts designer Don Srull Wingspan ls 26 in$ 250 No468 Smoother CL Stunter 29/35 powor Design bused hybrid SmoothielNobler$ 675 No 469 Doe Ittohet 110 Sport Scale rendering Polish homebuiti pusher Spans 75 sues 40-size 4-cycle engine Four sheets$2075 No470 Strakor 110 Mid-wing sportister uses 40/45 four-stroke engine spans 50% tail-dragger$ 650 No471 Mogan Aeon CL Profile Stunt trainer spans 54 in. uses 35/40 engine Flapped wing$ 575 No472 Parocreft 110 Craft has flexible poraf oil wing uses 3110 channels 60 engine$ 550 No473 Tunane 110 Sport scale turboprop trainer spans 66 sons 60/75 engines Three sheets$1250 No 474 Pacer 15 FF Nordic A-i Towline Glider woo 1983 World champs$ 500 No 475Beeptaynleuk ci Slow Combat model uses geodetic wing construction 36 engIne Two-sheet plan has ports pattems$ 400 No 476Mania 250 FF competition hA plane has manta-ray-shaped wing spans 43 in$ 500 No 477Maudads CL Sport Stunter uses sport 15 engine spans 35 -$ 325 No478Outternup 110 Cute elfin sportuter uses micro 2-ch 110 poise-redder Spans 27 tor 020-035 power$ 300 No479Four-Stroke boater 110 SportfAnrobutics ship haul 920s styling uses 90 4-stroke engine spaou 85 2 sheets$1100 No460Ildtcutoun OL Fabulous compelitbon Slonter has 550 sq wing area flies TO 0491051 spans 47% in$ 600 No 461deropa 110 Sailplane FAI competitise has fiberglass fuselage foam wings wing tiapa stabilator tail Spans 110 in$ 700 No402Beidee-Agor 110 Sport/Aerokatic model looks likes Golden Age sportuter 60 engians spans 62 in$ 750 No483dOS Hawk Uitralght FF Outdoor Gas Scale plane uses 00-2 power spans 29 $ 300 No 484Aerosol K 110 Osarter-Scale 305 lighlplane spans 9 ft. uses 12 co 0 2-cyl. 4-stroke engine weighs 11% lb Three sheets$1 975 No 455Hawker Nunter CL Fan-scale firitish let fighter has 1 8h-ln foam wing axes %A power$ 175 Na 456Mtles-Atwead Speclat 110 Sport-Scale Golden Age air-racer uses 21 engine spans 45 in$ 825 Os Os Co5 0 0 c 0 -Os oscr cc zo or0 0 - 00 sum su C - so 0 -c flb cs- sum 0 00 05 Os m C V coOs m C- 0 V mm 0su 0 Gm U or eec 0 Em a so N IL I I I I
Edition: Model Aviation - 1985/10
Page Numbers: 84, 85, 86, 87, 88, 162, 163, 164
Big picture author hand-launches test flight plane flies large left-hand circles averaging 40 sec 12 strands 3/16In rubber Flight adjustments easyto make thrust line can altered placing balsa acraps behind thrust plate Above two MB-7s built compete 1921 1922 Pulitzer Prize races particular modeled raced 1922 Number 7 Influenced early 1920s racing era models unique wing short fuselage combine make delightful Jumbo Scale rubber-powered project Flight qual ities outstanding U Bill Noonan itaoie ii isr-servic wasscau am4oiiar second i ne i nomas-Morse comp come intrigued exp ostensible successes British Martin syde company Alula wing principle decided incorporate design MB-7 Thomas maintained curious humved ion design butriy 19 thickness chord therebyower oh substantial change basic concept first MB-7 showed promise achiev- ing recorded speed 180 mph before conspi Left This view reveais modeis nice proportions adequate nose/tail moment arms Right simulated wing radiators made patches painted coarse silk cloth Aiieron elevator separations can indicated inked lines airbrushing immediately front cockpit being widest part fuselage Tem porarily clamp tail post together cement crosspieces place Cut remaining crosspieces confirming length checking top view plans Cement crosspieces place aft cockpit checking symmetry go End up cementing tail posts together Carefully cut upper lower lon gerons station front cockpit fine-tooth saw will ease operation Cement front fuselage frames back place noting taper toward nose top view plans Cement crosspieces finish part operation cementing circular nose Bulkhead place top cowl decking carved soft balsa hollowed-out about -in wall thickness makes peculiar transi tion absolutely round nose flat turtleback behind cockpit elements gives MIB-7 its character pays work slowly helpful have side Formers B through E cut out can used check top decking fairs-in nicely fuselage sides Make neces sary modifications Remember sides covered 1/32 sheet balsa back rear wing strut make al lowances fitting side formers Carefully cut cockpit opening top decking maintaining elliptical symme try Cut 1/32 sheet balsa cowl sides slightly oversize Trim fit holding place against fuselage confirm ac curate shape dimensions Cyanoacry late CyA glue works good advantage making final fit Wetting outside 1/32 sheet ammoniaand-water solution makes wood mal leable easier form Cut valve cover assemblies light balsa made carving unit single piece wood separating trailing fairing shown coneshaped leading fairing cut separately grain running vertically along centerline Exhaust collectors cut -in sheet balsa sanded streamline shape cross-over between valve covers soft -in sheet also faired streamline shape Add hard balsa breather pipe top carburetor intake under unit Before adding solid balsa lower cowl ing bend landing gear legs 1/32 wire care can bent single unit Bind crosspieces fuselage wire thread apply cement Rein forcing gussets applied crosspieces contact longerons help resist landing gear shock Cut apiece 045 wire about 7 long spreader bar Solder Vs landing gear legs spreader bar 86 Model Aviation Although short-coupled model exhibits excellent stabIlity tong ianaing gear aiiowa easy ROG launches Stabilizer incidence easily changed shim inserted between fuselage mount stab underside its excellent Jumbo Scale subject ns loca POIHI pIupaI ier maae oy laminating plywood over pitch block Birch dowel hubs Insert spinners brass boss Pins lock blades Lj ccIq 0 flOO Cuq jooiooo b0 sftco~rng rpoket z oc Co __ Cd bLaTHOMASMORSE MB7 oeooow,vIN Full-Size Plans Available. See Page 164 fairing built-up like small wing cemented place over wire Fit -in sheet balsa streamline leg fairings place both ends fit neatly respective contact surfaces 334-in-dia wheels may turned -in balsa two pieces -in sheet laminated right angles purchased commercially streamlined teardrop fairing juncture rear landing gear leg wing strut added after model covered prop unit freewheeling con tained inside hollowed-out balsa spinner Blades two pieces 1/64 ply laminated over pitch block have found type propeller improvement over carved ones main advantages ease replacement broken blades broad latitude pitch selection wellcarved balsa prop better looking may have aerodyamic edge think advantages cited outweigh factors prop boss -in ID brass drilled center accept 1/1 6-in-dia shaft spinner made laminating six pieces hard -in sheet balsa together right angles make 2 x 2 x 1-in cube will allow accurately drill drill press table tunnel brass boss will slip later Drill -in-dia hole through 1in-dimension centerline Insert birch dowel allowing about 2 protrude out side will become back spinner can chucked drill press hand drill spinner can turned lathe Rough-cutting circular shape before turning saves wear tear sandpaper makes operation safer turning sure hole drilled boss large end spinner finished cut off surplus birch dowel carefully cut through spin ner separate disc surrounds boss tube bullet-shaped nose portion Hollow-out nose accom modate freewheeling clutch Insert brass boss tube balsa disc cement place 1/64 circular plywood doubler back unit makes stronger part Bend 1/16-in wire prop shaft accept either bobbin Crockett rubber hook have good luck bobbin utilizing safety latch model powered 12 strands 3/16-in rubber becomes quite handful 900 turns winder bobbin facilitates transfer rubber Left close look Indexing block bobbin full load rubber 900 turns can hard handle bobbin has worked well helping transfer rubber winder prop shaft Right Wings easily removed fixed center section tongue pocket used alignment Rubberbands stretched between hooks wings underside hold panels place October 1985 87 Ii Left The disassembled model easy store transport Wings designed resist damage case OT impact tail sur faces can adjusted easily Right Lightening holes wing ribs lightness key ingredient model fly well can put punching tools made brass tubing Grind sharp cutting edge end tube rotate against wing rib together 1/64 plywood Joiner F Mark off rib positions spar slip ribs place Dont apply cement yet File notches ribs front rear spars leading edge Carefully force sparts place checking assembly symmetrical alignment everything OK apply CyA glue joints Cut trailing edge 3/16 sheet balsa cement place going make wings removable will necessary make tongue pocket parts index wing panels center section pocket made cutting two pieces hard 1/16 sheet balsa framing three edges inserting 3/32 sheet has reduced thickness almost 1/16 just enough oversize allow easy passage 1/16 balsa tongue projects wing panels Cement pockets place shown plans having first determined accurate position slot root rib may prefer cut slot both rib its 1/64 plywood doubler before final installa tion pocket 1/16-in ID aluminum tube set about ling edge allows insertion 1/16in OD allgnment pin keep wing panel correctly aligned center section Cut cabane strut mounts winder prop shaft prop shaft passes through 1/16 ply circular thrust plate right behind spinner assembly accommodates both thrust bearing indexing block cemented back fits snugly rectagular aperture Bulkhead Bend shaft 900 angle front brass boss after slipping small spring serves disengage clutch once rubber unwound Cement hollow spinner back place sure freewheeler works OK Add soft balsa headrest cement plywood tail skid slotted blocjc tail post Drill holes top decking receive bamboo cabane struts have sanded oval cross section cement struts place time Leaving until later facilitates centersection incidence adjustments Wing difficult part unusual Alula wing center section Start cutting ribs Slot receive main spar leave slotting smaller spars until later Make center-section main spar hard 1/16 x -in balsa four pieces make bridge-like part held hard 3/32 sheet balsa drill receive struts Note pieces cemented between Ribs 2 Add small blocks balsa about de Rib 4 along bottom provide base cement wing struts later after model covered strength wing comes primarily 1/32 sheet balsa leading edge carefully bent around airfoil Start cementing straight-grained balsa 1/20 x -in upper spar between Ribs 1 3 Apply solution ammonia water outside sheet draw around ribs same time using CyA glue rib sheet coypring finally cemented lower spar Trim away excess wood Repeat pro cess between Ribs 3 4 Fair sheet ribs produce unbroken airfoil outer wing panels utilize hard 1/16 sheet main spar tapers 11/16 atthe rootto b 9 Markoff rib stations slip ribs place File notches leading edge spars insert place Slip notched trailing edge place Check panel correct alignment sure root ribs panels mate center section proper dihedral Apply CyA joints Continued page 162 88 Model Aviation ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX K AMA Membership143 Ace Radio Control49 Airtronics82-83 Astro Flight1 28 B. Line22 B&B Custom Built Models158 Balsa USA13 Beercan Bombers128 Bergeron Enterprises146 Byron Originals47 CaRa Products152 Carolina-Taffinder156 Johnnie Casburn Mfg138 Chicago Model & Hobby Show145 Cleveland Model & Supply Co151 Eric Clutton163 Condor Trading Co120 Consumers Guide125 Coverite157 Cox Hobbies142 D&D Engineering159 DGA Designs154 Jim Denaro Model Products51 Dougs Hobby Shop148-149 Larry Dodge Aero Inc135 Du-Bro Products Inc11 FAI Model Supply129 FHS Supply Inc4 Fiberglass Master139 Flyline Models157 Fourmost Products146 Fox Mfg53 Futaba Corp America2 Gas Model Products162 Gator RC Products138 Carl Goldberg Models7 Golden Gate Hobbiess3 Gorham Model Products9 Great Planes Model Mfg Co1 1/5-scale B-25 Mitchell bombers squad ron A6M5 Zero fighters P-47 Thunder bolts P-si Mustangs F4U Corsair Stir together add couple manned 1/25-scale M-4 Sherman tanks sea son indescribable pyrotechnics yield extravaganza called Striking Back Jet Rally 85 unqualified success terms exhibiting ducted-fan airplanes modelers public alike equip ment evolving third generation fan units realistic jet performance Historic Aviation21 Hobby Barn122-123 Hobby Capitol Distributors156 Hobby Horn49 Hobby Lobby International150 Hobby World Imports152 Hobbypoxy160 Holleys Silent Flight155 Ikon Northwest Co146 Indy RC Sales Inc130-132 Jeffla Corp147 Jomar125 163 K&BMfg156 K&S Engineering121 Kin Craft159 Knights Air120163 Kraft Systems Inc23 Kustom Kraftsmanship133 L&L Model Products128 Lindsey Micro Products1 Se Lone Star Models43 MACS Products152 Mammoth Scale Plans129 Master Kit144 McDaniel RC Service20 Jim Messers Quality Model Prod142 Micro Mark141 Micro Model Engineering146 Model Magic Products154 Model Rectifier CorpCovers 2 3 Morley USA158 Mutchlers Hobbies126-127 National Soaring Society158 Nor-Ray Products Inc20 North Products149 Nowlen Aero140 Off Ground Models155 PK Products144 Pacer Technology161 levels now achievable Current devel opments directed improving opera bility simplifring usage average RC modeler Ducted-fan technology has matured evidence wide variety models seen future bright can look forward continued events type promote new dimension RC powered flight sincere thanks extended Byron Godbersen able staff worked long hard provide setting hospitality memorable Hal Payne Enterprises152 Peck-Polymers138 Penn Valley Hobby Center158 Pica Products12 Polks Model Craft Hobby24-25 RC Buyers Guide147 RC Novelties22 RC Video Magazine144 R&D Engineering160 RJL Industries142 Radio South135 Repla-Tech International135 RoushMfg134162 SR Batteries139 SachsbyTG140 Sailplanes World124 Satellite City77 Scale Model Research135 Schlueter Free Flight Models162 Shamrock Competition Imports129 Sheldons Hobby Shop8136-137 Sig Mfg Co14-15 159 Simcoe RC Aircraft Co74 Specialty Hardware Co140 St Croix Models20 Standale Aircraft1 34 T&D Fiberglass Specialties124 John Tatone Model Eng Access22 Tatone Products Co121 Texxon Precision Products45 Top Flite Models Inc124 Tower Hobbies153 WE Technical Services6 Williams Bros139 Wilshire Model Center149 Windsor Propeller Co51 Workshop Concepts119 World Hobbies157 World EnginesCover 4 Zenith Aviation PublicationsS events modeling history missed interested please note Jet Rally 86 has already scheduled June 21-22 1986 Ida Grove IA Plan now attend look forward seeing MB-7/Noonan Continued page 88 wing tips made laminating three pieces 1/32 x wood around cardboard form Join part Super sport flier turnaround pattern Balsa & ply construction 70 span 927 sq area 7A -BS lbs$1 j 7612 cu Dealer Inquiry Invited 1728 Sywood SE Canton OH 44707 Send $1 far Catalog 216 484681O RoUSH MFG 162 Model Aviation r Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 02 $995 Giant Kwik Set 6 Minute16 oz$1395 Half FastlOMinutelOoz$895 GMP AIRCRAFT INSTRUMENTS 80in31161143/81/2$ 149 40 3/4 inch $ 149 EASY OFF PULLER proper tool removing drive washersand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OM 45239 513 385-7398 oat dealer ord drect Pout dd $150 [I Schlueter Free Flight Models 3508 Poinsettia Ave Manhattan Beach Co 90266 Dealer Inquiries Invited S PACIFIC ACE BLACK BULLET PARTIAL KITS pIans&printedvod PACIF ACE o SLACIS BULLET 2OS32S30 70 40t665 ADD 5200 SHLPP5G FOR EACH KIT ORDERCA RES ADO 6/ TAX leading edge 1/20 x 3/16 part Cut wing indexing tongues hard 1/16 sheet balsa Hold temporarily place fitting panel against center section checking alignment proper dihedral Cement tongues place Apply 1/32 sheet balsa leading edge same manner done center section will necessary fabricate 1/32 sheet leading edge tip outboard Rib 9 independent unit pinched around laminated part cemented place Add root gusset 1/16 sheet collar surrounding sim ulated control horn horn cemented place after wing covered Trim trailing edge laminated tip fair-in smoothly airfoil After wing covered bend two sets retainer hooks wing set mounted spar other trailing edge underside stretched rubberband holds panels place allows wing give case impact Tail surfaces Both rudder stabil izer built using sprung rib meth od provides lightweight surface very strong Prepare cardboard form 1/16 smaller stabilizer fin used bend two pieces 1/32 x straight-grained basswood forms outlines Soak basswood am monia-water solution about 15 mm rinse thoroughly Apply thin bead white glue between laminations secure two pieces against edges cardboard form Waxing edges parafin childs crayon will make easy remove dry part Allow dry overnight Construction procedure same tail parts Secure laminated frame position over plans Cut position trailing edges Cut fit lower part ribs medium-hard 1/32 sheet balsa parts -in wide lies flat building surface Apply cement parts abut leading trailing edges Cut th spars position ribs over plans Apply cement contact ribs framework Now repeat rib-cutting process top rib parts Carefully position part place Apply CyA glue first trailing edge forcing part down over spars contact point leading edge final result streamline cross section horizontal stab built piece will necessary make tissue tracing half left stab align fuselage centerline upside down get right side horizontal stab has 1/32 sheet center section both top bottom bottom part rests against two 1/16 sheet stabilizer mount parts cemented top longeron entire tail assembly held place rubberbands stretched between 020 wire hooks retainers hooks KNIGHTS AIR y SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping cemented stab spars project down fuselage bottom ends rubberbands drawn through holes wedge-shaped balsa forms tail skid mount Slip bamboo retainer sliv ers place hold rubberbands method mounting tail surfaces allows convenient removal incidence changes Miscellaneous wing struts cut medium grade alsa sanded streamline shape Wire pins end reinforce mounting struts finally cemented place brace wires between struts may made black carpet thread covered model white tissue Peck-Polymers no parGIANT SCALE RETRACTS Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working olco struts Precision machined metal lightweight construction Air/hydraulic controls 13/ 16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $22000 shipping Wheels sold separately ORDER DIRECT ONLY William M Hawke 7148 Lasting Light Way Columbia MD 21045 _______________________301 730-5596 ticularly difficult areas comes covering MB-7 Note underside wing airfoil makes transi tion cambered section center semi-symmetrical tip sure cement tissue cambered portion Shrink covering light mist water alcohol Follow two coats clear nitrate dope diluted 50% October 1985 163 P-51 r P47 4 PAW DIESELS Englands Finest 049 35 RIC STD Suid $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 Circle numbers plans wish order 193 326 426 442 453 462 469 476 483 239 332 430 444 454 463 470 477 484 262 358 433 445 456 464 471 478 485 299 386 437 446 457 465 472 479 486 302 398 438 447 458 466 473 480 487 310 414 440 449 460 467 474 481 488 314 422 441 452 461 468 475 482 489 Plan price includes first class postage US delvery Air Man over 300 miles I For orders outside US e add $250 Air Mail $1 25 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ NAME STREET CITYI STATE ____________________________________________________________[v32][b953312299300]]ZIP ____________________________________________________________[v32][b163231279200]] thinner final coat should have silver powder added about much might held metal ferrule common pencil eraser ounce clear dope An airbrush will needed operation silver powder tends streak brushed-on Add details such fuselage numerals rudder stripes may painted cut tissue doped-on rudder numbers made rub-off transfers Aileron stab separation outlines inked airbrushed Paint engine rocker-arm covers flat black exhaust pipes can same adding slight spray silver black paint still wet adds realistic mottled look Rubbing parts powdered graphite heightens metallic simulation Add cooling louvers fuselage sides fake wing radiators top wing center section between Ribs 2 3 merely cut pieces coarse silk painted dirty brass color before cementing place giving pretty good illusion radiator texture pilot sculptured light balsa given couple coats sanding sealer Acrylic artists paints used final coloring scarf white tissue Flying 12 strands 3/16-in rubber used power model should about 36 long have tried both Sig FAI rubber find much different power curve between two Sig seems tolerate winds given length torque constant during usable power run FAI has aggressive torque right beginning drops off appreciably toward middle power run may wish experiment Balance model front strut incidence shown plans good starting point can easily add take out stab incidence necessary good starting point 20 downthrust about 30 right add field twig thrust plate get little downthrust during initial testing model haved perfectly Naturally replaced improvised part neat piece balsa got home next time flew it stalled again should have glued twig place Thomas-Morse MB-7 unusual subject Dont let novel arrangement wing stubby fuselage put off remarkably stable delight air would like propose competition class Pulitzer Schneider James Gor don Bennett other early racers Theres wealth nifty designs just wait ing built first block try model developed information three-views photos contained Thomas Foxworths superb book Speed Seekers well worth hunting though may out print 164 Model Aviation FULL SIZE PLANS No 487 Cap 21$1000 RC Scale Aerobatic plane 40-size engine Two sheets Wingspan 62 No 488 MB-$ 500 FF Jumbo Rubber Scale Thomas-Morse Scout spans 37 No 489 Undertaker$ 500 CL Foam-winged AMA Combat plane 36 engine pane 451A 47 No 193Stihtta CL Stunt model IMoOrmaldI winner 197819801 982 FAI Worn champ$ 375 No 239DIes Erda 110 Ken willards formation plane 4-channel 1 0power$ 375 Plo 212Crashmautar ci crasfrproof trainer two sizesI 5-30- 3540-power . $ 125 Ne 299Bee lee Sr Spartater nc %ocale Haffke 91 power Prototype span 30 ft Two-and-a-han sheets$1175 No 302Mliii FIS ac Sarpolos 049 docte fans oil flier 2-channel Balsa wings tail lose structure$ 275 No 3101530 Float Olpiam RC Sport Scale fer 35-40 4-channel Wingopan 56 4 scale Two sheets$ 625 Plo 314Drake t nc Kon Willards fling boat 3-channel 15-power Fly trom land removable gear$ 375 321Taylor Ceic Rc Don Srulls Schoolyard-Scale 049s 2-3 channel Spans 50 in$ 350 No 332Zephyr nc Small 2-channel glider hand-launch tow thermal slope souring$ 200 No 358floces FF lodnor Easy B Robber-power contest-winner W Van Gorder$100 No 306Liner 200 no Sport Scale replica championship Aerohatic flier Uses 40 power 4-5 channel Two sheets$1075 Ne 391Boo Bee 01 no Haffkes latest %-scale spans 75 weighs 15 lb flies 90 larger Four sheets Inn docf$2225 Ne 414ElectrIc Spetky 110 electric-powered fan flier 05 motor 3-channel 11015 scaled spi 939 rubber-power favorite$ 850 No 422Scoater 110 Two-Meter Sailplane has won Nato event 1982 1983 plus other contests$ 550 426OMna CDpper RO Fabulous 74-In-span Sport Scale flying bout bar 10-size engines 4-channel Three sheets 100 docf$2000 No430irmuldo RC Zippy little sportoterfor 10-15 powerand 3-channel 110$ 400 433 Watts Uto 110 Electric-powered glider 2-3 channels 035 motor spons 52 . $ 450 No437 KIogDatur CL Profile Carrier plane spans 40/ sues 35 engine$ 600 Ito 438debar FF Embryo Endurance rubber-power fuo ship has big-model characteristics$ 200 No 440CaneOar 110 Old-Timer-lIke new design has hage wing slow easy flights 35 power 3 channels Two sheets$1 725 No441 WIt FF Hot small lightweight competition ship 15 power designer Harry Murphy$ 475 No442Lazy Duck 110 ttig canard sport fIler AA-09 power 2 channels Uses team beard parts$ 650 No444Fbalielt 110 pusher canard sporolpattem uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 445No11th Cougar CL Scale model popular hmnebuilt won Hats Uses 21 engine spans 41 is$ 925 No 446La Crate 110 Electric-powered sport flier 05 motors 3-channels Two versions parasol cabin$ 550 No447WA Usa Aalertea 110 Old-Timer AA Texaco model 049 glow 2-channels$ 650 No 440Settee Cl SportlSluot plane 40-size 4-stroke engine builds foot easy$ 600 No452gee Seal 110 Quarter-scale spans 71% in. uses 90 power Four sheets$1600 No453 Sioeothia ProSe CL Profile rendition Bob Palmers soper-Stunter early Fifties 35 power$ 550 No454 swoat P-3D FF Neat stick-and-f boo Outdoor Rubber P30-class model contest-winner$ 200 No456 lit-Tech 2001 110 Ducted-fan futuristic-lookIng canard 25-size engines Built-up construction Threw sheets$1175 No457 Dttactra 110 Electric-power 05-size motor uses 3 different wings sport souring eerohahcs$ 700 No 458 Deoetlees CL Profile Carrier 1 5-power events Two sheets$ 57S No460 440110 Shoulder-wing sport flier 4-cycle 40-size engIne 4 channels$ 650 No461 Trlater Saneatermar CL Famous unflapped Stunter late Forties Uses 35 engine$ 650 No462 PeolNo P6 FF Jumbo Rubber Scale WW Italian obuervation plane$ 400 No 463 Ptefyhulmtathes Vk 110 IA Pylon racer uses lots life ply haiti-up structare strength lightaeas$ 475 No414 5oodeecer 01 hA sport flier io all-sheet-halsa can use Too Dee 049$ 325 Ne 465 ltoo Mast 110 Foo-fly oportuter 40-size engines spans 52 Lightweight structure$ 700 No466 cempotlter CL Stunter 60 power has 850 ng wing area$ 575 Na 467 Mu Spelt FF Rubber Scale design won 83 Nuts designer Don Srull Wingspan ls 26 in$ 250 No468 Smoother CL Stunter 29/35 powor Design bused hybrid SmoothielNobler$ 675 No 469 Doe Ittohet 110 Sport Scale rendering Polish homebuiti pusher Spans 75 sues 40-size 4-cycle engine Four sheets$2075 No470 Strakor 110 Mid-wing sportister uses 40/45 four-stroke engine spans 50% tail-dragger$ 650 No471 Mogan Aeon CL Profile Stunt trainer spans 54 in. uses 35/40 engine Flapped wing$ 575 No472 Parocreft 110 Craft has flexible poraf oil wing uses 3110 channels 60 engine$ 550 No473 Tunane 110 Sport scale turboprop trainer spans 66 sons 60/75 engines Three sheets$1250 No 474 Pacer 15 FF Nordic A-i Towline Glider woo 1983 World champs$ 500 No 475Beeptaynleuk ci Slow Combat model uses geodetic wing construction 36 engIne Two-sheet plan has ports pattems$ 400 No 476Mania 250 FF competition hA plane has manta-ray-shaped wing spans 43 in$ 500 No 477Maudads CL Sport Stunter uses sport 15 engine spans 35 -$ 325 No478Outternup 110 Cute elfin sportuter uses micro 2-ch 110 poise-redder Spans 27 tor 020-035 power$ 300 No479Four-Stroke boater 110 SportfAnrobutics ship haul 920s styling uses 90 4-stroke engine spaou 85 2 sheets$1100 No460Ildtcutoun OL Fabulous compelitbon Slonter has 550 sq wing area flies TO 0491051 spans 47% in$ 600 No 461deropa 110 Sailplane FAI competitise has fiberglass fuselage foam wings wing tiapa stabilator tail Spans 110 in$ 700 No402Beidee-Agor 110 Sport/Aerokatic model looks likes Golden Age sportuter 60 engians spans 62 in$ 750 No483dOS Hawk Uitralght FF Outdoor Gas Scale plane uses 00-2 power spans 29 $ 300 No 484Aerosol K 110 Osarter-Scale 305 lighlplane spans 9 ft. uses 12 co 0 2-cyl. 4-stroke engine weighs 11% lb Three sheets$1 975 No 455Hawker Nunter CL Fan-scale firitish let fighter has 1 8h-ln foam wing axes %A power$ 175 Na 456Mtles-Atwead Speclat 110 Sport-Scale Golden Age air-racer uses 21 engine spans 45 in$ 825 Os Os Co5 0 0 c 0 -Os oscr cc zo or0 0 - 00 sum su C - so 0 -c flb cs- sum 0 00 05 Os m C V coOs m C- 0 V mm 0su 0 Gm U or eec 0 Em a so N IL I I I I
Edition: Model Aviation - 1985/10
Page Numbers: 84, 85, 86, 87, 88, 162, 163, 164
Big picture author hand-launches test flight plane flies large left-hand circles averaging 40 sec 12 strands 3/16In rubber Flight adjustments easyto make thrust line can altered placing balsa acraps behind thrust plate Above two MB-7s built compete 1921 1922 Pulitzer Prize races particular modeled raced 1922 Number 7 Influenced early 1920s racing era models unique wing short fuselage combine make delightful Jumbo Scale rubber-powered project Flight qual ities outstanding U Bill Noonan itaoie ii isr-servic wasscau am4oiiar second i ne i nomas-Morse comp come intrigued exp ostensible successes British Martin syde company Alula wing principle decided incorporate design MB-7 Thomas maintained curious humved ion design butriy 19 thickness chord therebyower oh substantial change basic concept first MB-7 showed promise achiev- ing recorded speed 180 mph before conspi Left This view reveais modeis nice proportions adequate nose/tail moment arms Right simulated wing radiators made patches painted coarse silk cloth Aiieron elevator separations can indicated inked lines airbrushing immediately front cockpit being widest part fuselage Tem porarily clamp tail post together cement crosspieces place Cut remaining crosspieces confirming length checking top view plans Cement crosspieces place aft cockpit checking symmetry go End up cementing tail posts together Carefully cut upper lower lon gerons station front cockpit fine-tooth saw will ease operation Cement front fuselage frames back place noting taper toward nose top view plans Cement crosspieces finish part operation cementing circular nose Bulkhead place top cowl decking carved soft balsa hollowed-out about -in wall thickness makes peculiar transi tion absolutely round nose flat turtleback behind cockpit elements gives MIB-7 its character pays work slowly helpful have side Formers B through E cut out can used check top decking fairs-in nicely fuselage sides Make neces sary modifications Remember sides covered 1/32 sheet balsa back rear wing strut make al lowances fitting side formers Carefully cut cockpit opening top decking maintaining elliptical symme try Cut 1/32 sheet balsa cowl sides slightly oversize Trim fit holding place against fuselage confirm ac curate shape dimensions Cyanoacry late CyA glue works good advantage making final fit Wetting outside 1/32 sheet ammoniaand-water solution makes wood mal leable easier form Cut valve cover assemblies light balsa made carving unit single piece wood separating trailing fairing shown coneshaped leading fairing cut separately grain running vertically along centerline Exhaust collectors cut -in sheet balsa sanded streamline shape cross-over between valve covers soft -in sheet also faired streamline shape Add hard balsa breather pipe top carburetor intake under unit Before adding solid balsa lower cowl ing bend landing gear legs 1/32 wire care can bent single unit Bind crosspieces fuselage wire thread apply cement Rein forcing gussets applied crosspieces contact longerons help resist landing gear shock Cut apiece 045 wire about 7 long spreader bar Solder Vs landing gear legs spreader bar 86 Model Aviation Although short-coupled model exhibits excellent stabIlity tong ianaing gear aiiowa easy ROG launches Stabilizer incidence easily changed shim inserted between fuselage mount stab underside its excellent Jumbo Scale subject ns loca POIHI pIupaI ier maae oy laminating plywood over pitch block Birch dowel hubs Insert spinners brass boss Pins lock blades Lj ccIq 0 flOO Cuq jooiooo b0 sftco~rng rpoket z oc Co __ Cd bLaTHOMASMORSE MB7 oeooow,vIN Full-Size Plans Available. See Page 164 fairing built-up like small wing cemented place over wire Fit -in sheet balsa streamline leg fairings place both ends fit neatly respective contact surfaces 334-in-dia wheels may turned -in balsa two pieces -in sheet laminated right angles purchased commercially streamlined teardrop fairing juncture rear landing gear leg wing strut added after model covered prop unit freewheeling con tained inside hollowed-out balsa spinner Blades two pieces 1/64 ply laminated over pitch block have found type propeller improvement over carved ones main advantages ease replacement broken blades broad latitude pitch selection wellcarved balsa prop better looking may have aerodyamic edge think advantages cited outweigh factors prop boss -in ID brass drilled center accept 1/1 6-in-dia shaft spinner made laminating six pieces hard -in sheet balsa together right angles make 2 x 2 x 1-in cube will allow accurately drill drill press table tunnel brass boss will slip later Drill -in-dia hole through 1in-dimension centerline Insert birch dowel allowing about 2 protrude out side will become back spinner can chucked drill press hand drill spinner can turned lathe Rough-cutting circular shape before turning saves wear tear sandpaper makes operation safer turning sure hole drilled boss large end spinner finished cut off surplus birch dowel carefully cut through spin ner separate disc surrounds boss tube bullet-shaped nose portion Hollow-out nose accom modate freewheeling clutch Insert brass boss tube balsa disc cement place 1/64 circular plywood doubler back unit makes stronger part Bend 1/16-in wire prop shaft accept either bobbin Crockett rubber hook have good luck bobbin utilizing safety latch model powered 12 strands 3/16-in rubber becomes quite handful 900 turns winder bobbin facilitates transfer rubber Left close look Indexing block bobbin full load rubber 900 turns can hard handle bobbin has worked well helping transfer rubber winder prop shaft Right Wings easily removed fixed center section tongue pocket used alignment Rubberbands stretched between hooks wings underside hold panels place October 1985 87 Ii Left The disassembled model easy store transport Wings designed resist damage case OT impact tail sur faces can adjusted easily Right Lightening holes wing ribs lightness key ingredient model fly well can put punching tools made brass tubing Grind sharp cutting edge end tube rotate against wing rib together 1/64 plywood Joiner F Mark off rib positions spar slip ribs place Dont apply cement yet File notches ribs front rear spars leading edge Carefully force sparts place checking assembly symmetrical alignment everything OK apply CyA glue joints Cut trailing edge 3/16 sheet balsa cement place going make wings removable will necessary make tongue pocket parts index wing panels center section pocket made cutting two pieces hard 1/16 sheet balsa framing three edges inserting 3/32 sheet has reduced thickness almost 1/16 just enough oversize allow easy passage 1/16 balsa tongue projects wing panels Cement pockets place shown plans having first determined accurate position slot root rib may prefer cut slot both rib its 1/64 plywood doubler before final installa tion pocket 1/16-in ID aluminum tube set about ling edge allows insertion 1/16in OD allgnment pin keep wing panel correctly aligned center section Cut cabane strut mounts winder prop shaft prop shaft passes through 1/16 ply circular thrust plate right behind spinner assembly accommodates both thrust bearing indexing block cemented back fits snugly rectagular aperture Bulkhead Bend shaft 900 angle front brass boss after slipping small spring serves disengage clutch once rubber unwound Cement hollow spinner back place sure freewheeler works OK Add soft balsa headrest cement plywood tail skid slotted blocjc tail post Drill holes top decking receive bamboo cabane struts have sanded oval cross section cement struts place time Leaving until later facilitates centersection incidence adjustments Wing difficult part unusual Alula wing center section Start cutting ribs Slot receive main spar leave slotting smaller spars until later Make center-section main spar hard 1/16 x -in balsa four pieces make bridge-like part held hard 3/32 sheet balsa drill receive struts Note pieces cemented between Ribs 2 Add small blocks balsa about de Rib 4 along bottom provide base cement wing struts later after model covered strength wing comes primarily 1/32 sheet balsa leading edge carefully bent around airfoil Start cementing straight-grained balsa 1/20 x -in upper spar between Ribs 1 3 Apply solution ammonia water outside sheet draw around ribs same time using CyA glue rib sheet coypring finally cemented lower spar Trim away excess wood Repeat pro cess between Ribs 3 4 Fair sheet ribs produce unbroken airfoil outer wing panels utilize hard 1/16 sheet main spar tapers 11/16 atthe rootto b 9 Markoff rib stations slip ribs place File notches leading edge spars insert place Slip notched trailing edge place Check panel correct alignment sure root ribs panels mate center section proper dihedral Apply CyA joints Continued page 162 88 Model Aviation ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX K AMA Membership143 Ace Radio Control49 Airtronics82-83 Astro Flight1 28 B. Line22 B&B Custom Built Models158 Balsa USA13 Beercan Bombers128 Bergeron Enterprises146 Byron Originals47 CaRa Products152 Carolina-Taffinder156 Johnnie Casburn Mfg138 Chicago Model & Hobby Show145 Cleveland Model & Supply Co151 Eric Clutton163 Condor Trading Co120 Consumers Guide125 Coverite157 Cox Hobbies142 D&D Engineering159 DGA Designs154 Jim Denaro Model Products51 Dougs Hobby Shop148-149 Larry Dodge Aero Inc135 Du-Bro Products Inc11 FAI Model Supply129 FHS Supply Inc4 Fiberglass Master139 Flyline Models157 Fourmost Products146 Fox Mfg53 Futaba Corp America2 Gas Model Products162 Gator RC Products138 Carl Goldberg Models7 Golden Gate Hobbiess3 Gorham Model Products9 Great Planes Model Mfg Co1 1/5-scale B-25 Mitchell bombers squad ron A6M5 Zero fighters P-47 Thunder bolts P-si Mustangs F4U Corsair Stir together add couple manned 1/25-scale M-4 Sherman tanks sea son indescribable pyrotechnics yield extravaganza called Striking Back Jet Rally 85 unqualified success terms exhibiting ducted-fan airplanes modelers public alike equip ment evolving third generation fan units realistic jet performance Historic Aviation21 Hobby Barn122-123 Hobby Capitol Distributors156 Hobby Horn49 Hobby Lobby International150 Hobby World Imports152 Hobbypoxy160 Holleys Silent Flight155 Ikon Northwest Co146 Indy RC Sales Inc130-132 Jeffla Corp147 Jomar125 163 K&BMfg156 K&S Engineering121 Kin Craft159 Knights Air120163 Kraft Systems Inc23 Kustom Kraftsmanship133 L&L Model Products128 Lindsey Micro Products1 Se Lone Star Models43 MACS Products152 Mammoth Scale Plans129 Master Kit144 McDaniel RC Service20 Jim Messers Quality Model Prod142 Micro Mark141 Micro Model Engineering146 Model Magic Products154 Model Rectifier CorpCovers 2 3 Morley USA158 Mutchlers Hobbies126-127 National Soaring Society158 Nor-Ray Products Inc20 North Products149 Nowlen Aero140 Off Ground Models155 PK Products144 Pacer Technology161 levels now achievable Current devel opments directed improving opera bility simplifring usage average RC modeler Ducted-fan technology has matured evidence wide variety models seen future bright can look forward continued events type promote new dimension RC powered flight sincere thanks extended Byron Godbersen able staff worked long hard provide setting hospitality memorable Hal Payne Enterprises152 Peck-Polymers138 Penn Valley Hobby Center158 Pica Products12 Polks Model Craft Hobby24-25 RC Buyers Guide147 RC Novelties22 RC Video Magazine144 R&D Engineering160 RJL Industries142 Radio South135 Repla-Tech International135 RoushMfg134162 SR Batteries139 SachsbyTG140 Sailplanes World124 Satellite City77 Scale Model Research135 Schlueter Free Flight Models162 Shamrock Competition Imports129 Sheldons Hobby Shop8136-137 Sig Mfg Co14-15 159 Simcoe RC Aircraft Co74 Specialty Hardware Co140 St Croix Models20 Standale Aircraft1 34 T&D Fiberglass Specialties124 John Tatone Model Eng Access22 Tatone Products Co121 Texxon Precision Products45 Top Flite Models Inc124 Tower Hobbies153 WE Technical Services6 Williams Bros139 Wilshire Model Center149 Windsor Propeller Co51 Workshop Concepts119 World Hobbies157 World EnginesCover 4 Zenith Aviation PublicationsS events modeling history missed interested please note Jet Rally 86 has already scheduled June 21-22 1986 Ida Grove IA Plan now attend look forward seeing MB-7/Noonan Continued page 88 wing tips made laminating three pieces 1/32 x wood around cardboard form Join part Super sport flier turnaround pattern Balsa & ply construction 70 span 927 sq area 7A -BS lbs$1 j 7612 cu Dealer Inquiry Invited 1728 Sywood SE Canton OH 44707 Send $1 far Catalog 216 484681O RoUSH MFG 162 Model Aviation r Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 02 $995 Giant Kwik Set 6 Minute16 oz$1395 Half FastlOMinutelOoz$895 GMP AIRCRAFT INSTRUMENTS 80in31161143/81/2$ 149 40 3/4 inch $ 149 EASY OFF PULLER proper tool removing drive washersand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OM 45239 513 385-7398 oat dealer ord drect Pout dd $150 [I Schlueter Free Flight Models 3508 Poinsettia Ave Manhattan Beach Co 90266 Dealer Inquiries Invited S PACIFIC ACE BLACK BULLET PARTIAL KITS pIans&printedvod PACIF ACE o SLACIS BULLET 2OS32S30 70 40t665 ADD 5200 SHLPP5G FOR EACH KIT ORDERCA RES ADO 6/ TAX leading edge 1/20 x 3/16 part Cut wing indexing tongues hard 1/16 sheet balsa Hold temporarily place fitting panel against center section checking alignment proper dihedral Cement tongues place Apply 1/32 sheet balsa leading edge same manner done center section will necessary fabricate 1/32 sheet leading edge tip outboard Rib 9 independent unit pinched around laminated part cemented place Add root gusset 1/16 sheet collar surrounding sim ulated control horn horn cemented place after wing covered Trim trailing edge laminated tip fair-in smoothly airfoil After wing covered bend two sets retainer hooks wing set mounted spar other trailing edge underside stretched rubberband holds panels place allows wing give case impact Tail surfaces Both rudder stabil izer built using sprung rib meth od provides lightweight surface very strong Prepare cardboard form 1/16 smaller stabilizer fin used bend two pieces 1/32 x straight-grained basswood forms outlines Soak basswood am monia-water solution about 15 mm rinse thoroughly Apply thin bead white glue between laminations secure two pieces against edges cardboard form Waxing edges parafin childs crayon will make easy remove dry part Allow dry overnight Construction procedure same tail parts Secure laminated frame position over plans Cut position trailing edges Cut fit lower part ribs medium-hard 1/32 sheet balsa parts -in wide lies flat building surface Apply cement parts abut leading trailing edges Cut th spars position ribs over plans Apply cement contact ribs framework Now repeat rib-cutting process top rib parts Carefully position part place Apply CyA glue first trailing edge forcing part down over spars contact point leading edge final result streamline cross section horizontal stab built piece will necessary make tissue tracing half left stab align fuselage centerline upside down get right side horizontal stab has 1/32 sheet center section both top bottom bottom part rests against two 1/16 sheet stabilizer mount parts cemented top longeron entire tail assembly held place rubberbands stretched between 020 wire hooks retainers hooks KNIGHTS AIR y SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping cemented stab spars project down fuselage bottom ends rubberbands drawn through holes wedge-shaped balsa forms tail skid mount Slip bamboo retainer sliv ers place hold rubberbands method mounting tail surfaces allows convenient removal incidence changes Miscellaneous wing struts cut medium grade alsa sanded streamline shape Wire pins end reinforce mounting struts finally cemented place brace wires between struts may made black carpet thread covered model white tissue Peck-Polymers no parGIANT SCALE RETRACTS Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working olco struts Precision machined metal lightweight construction Air/hydraulic controls 13/ 16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $22000 shipping Wheels sold separately ORDER DIRECT ONLY William M Hawke 7148 Lasting Light Way Columbia MD 21045 _______________________301 730-5596 ticularly difficult areas comes covering MB-7 Note underside wing airfoil makes transi tion cambered section center semi-symmetrical tip sure cement tissue cambered portion Shrink covering light mist water alcohol Follow two coats clear nitrate dope diluted 50% October 1985 163 P-51 r P47 4 PAW DIESELS Englands Finest 049 35 RIC STD Suid $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 Circle numbers plans wish order 193 326 426 442 453 462 469 476 483 239 332 430 444 454 463 470 477 484 262 358 433 445 456 464 471 478 485 299 386 437 446 457 465 472 479 486 302 398 438 447 458 466 473 480 487 310 414 440 449 460 467 474 481 488 314 422 441 452 461 468 475 482 489 Plan price includes first class postage US delvery Air Man over 300 miles I For orders outside US e add $250 Air Mail $1 25 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ NAME STREET CITYI STATE ____________________________________________________________[v32][b953312299300]]ZIP ____________________________________________________________[v32][b163231279200]] thinner final coat should have silver powder added about much might held metal ferrule common pencil eraser ounce clear dope An airbrush will needed operation silver powder tends streak brushed-on Add details such fuselage numerals rudder stripes may painted cut tissue doped-on rudder numbers made rub-off transfers Aileron stab separation outlines inked airbrushed Paint engine rocker-arm covers flat black exhaust pipes can same adding slight spray silver black paint still wet adds realistic mottled look Rubbing parts powdered graphite heightens metallic simulation Add cooling louvers fuselage sides fake wing radiators top wing center section between Ribs 2 3 merely cut pieces coarse silk painted dirty brass color before cementing place giving pretty good illusion radiator texture pilot sculptured light balsa given couple coats sanding sealer Acrylic artists paints used final coloring scarf white tissue Flying 12 strands 3/16-in rubber used power model should about 36 long have tried both Sig FAI rubber find much different power curve between two Sig seems tolerate winds given length torque constant during usable power run FAI has aggressive torque right beginning drops off appreciably toward middle power run may wish experiment Balance model front strut incidence shown plans good starting point can easily add take out stab incidence necessary good starting point 20 downthrust about 30 right add field twig thrust plate get little downthrust during initial testing model haved perfectly Naturally replaced improvised part neat piece balsa got home next time flew it stalled again should have glued twig place Thomas-Morse MB-7 unusual subject Dont let novel arrangement wing stubby fuselage put off remarkably stable delight air would like propose competition class Pulitzer Schneider James Gor don Bennett other early racers Theres wealth nifty designs just wait ing built first block try model developed information three-views photos contained Thomas Foxworths superb book Speed Seekers well worth hunting though may out print 164 Model Aviation FULL SIZE PLANS No 487 Cap 21$1000 RC Scale Aerobatic plane 40-size engine Two sheets Wingspan 62 No 488 MB-$ 500 FF Jumbo Rubber Scale Thomas-Morse Scout spans 37 No 489 Undertaker$ 500 CL Foam-winged AMA Combat plane 36 engine pane 451A 47 No 193Stihtta CL Stunt model IMoOrmaldI winner 197819801 982 FAI Worn champ$ 375 No 239DIes Erda 110 Ken willards formation plane 4-channel 1 0power$ 375 Plo 212Crashmautar ci crasfrproof trainer two sizesI 5-30- 3540-power . $ 125 Ne 299Bee lee Sr Spartater nc %ocale Haffke 91 power Prototype span 30 ft Two-and-a-han sheets$1175 No 302Mliii FIS ac Sarpolos 049 docte fans oil flier 2-channel Balsa wings tail lose structure$ 275 No 3101530 Float Olpiam RC Sport Scale fer 35-40 4-channel Wingopan 56 4 scale Two sheets$ 625 Plo 314Drake t nc Kon Willards fling boat 3-channel 15-power Fly trom land removable gear$ 375 321Taylor Ceic Rc Don Srulls Schoolyard-Scale 049s 2-3 channel Spans 50 in$ 350 No 332Zephyr nc Small 2-channel glider hand-launch tow thermal slope souring$ 200 No 358floces FF lodnor Easy B Robber-power contest-winner W Van Gorder$100 No 306Liner 200 no Sport Scale replica championship Aerohatic flier Uses 40 power 4-5 channel Two sheets$1075 Ne 391Boo Bee 01 no Haffkes latest %-scale spans 75 weighs 15 lb flies 90 larger Four sheets Inn docf$2225 Ne 414ElectrIc Spetky 110 electric-powered fan flier 05 motor 3-channel 11015 scaled spi 939 rubber-power favorite$ 850 No 422Scoater 110 Two-Meter Sailplane has won Nato event 1982 1983 plus other contests$ 550 426OMna CDpper RO Fabulous 74-In-span Sport Scale flying bout bar 10-size engines 4-channel Three sheets 100 docf$2000 No430irmuldo RC Zippy little sportoterfor 10-15 powerand 3-channel 110$ 400 433 Watts Uto 110 Electric-powered glider 2-3 channels 035 motor spons 52 . $ 450 No437 KIogDatur CL Profile Carrier plane spans 40/ sues 35 engine$ 600 Ito 438debar FF Embryo Endurance rubber-power fuo ship has big-model characteristics$ 200 No 440CaneOar 110 Old-Timer-lIke new design has hage wing slow easy flights 35 power 3 channels Two sheets$1 725 No441 WIt FF Hot small lightweight competition ship 15 power designer Harry Murphy$ 475 No442Lazy Duck 110 ttig canard sport fIler AA-09 power 2 channels Uses team beard parts$ 650 No444Fbalielt 110 pusher canard sporolpattem uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 445No11th Cougar CL Scale model popular hmnebuilt won Hats Uses 21 engine spans 41 is$ 925 No 446La Crate 110 Electric-powered sport flier 05 motors 3-channels Two versions parasol cabin$ 550 No447WA Usa Aalertea 110 Old-Timer AA Texaco model 049 glow 2-channels$ 650 No 440Settee Cl SportlSluot plane 40-size 4-stroke engine builds foot easy$ 600 No452gee Seal 110 Quarter-scale spans 71% in. uses 90 power Four sheets$1600 No453 Sioeothia ProSe CL Profile rendition Bob Palmers soper-Stunter early Fifties 35 power$ 550 No454 swoat P-3D FF Neat stick-and-f boo Outdoor Rubber P30-class model contest-winner$ 200 No456 lit-Tech 2001 110 Ducted-fan futuristic-lookIng canard 25-size engines Built-up construction Threw sheets$1175 No457 Dttactra 110 Electric-power 05-size motor uses 3 different wings sport souring eerohahcs$ 700 No 458 Deoetlees CL Profile Carrier 1 5-power events Two sheets$ 57S No460 440110 Shoulder-wing sport flier 4-cycle 40-size engIne 4 channels$ 650 No461 Trlater Saneatermar CL Famous unflapped Stunter late Forties Uses 35 engine$ 650 No462 PeolNo P6 FF Jumbo Rubber Scale WW Italian obuervation plane$ 400 No 463 Ptefyhulmtathes Vk 110 IA Pylon racer uses lots life ply haiti-up structare strength lightaeas$ 475 No414 5oodeecer 01 hA sport flier io all-sheet-halsa can use Too Dee 049$ 325 Ne 465 ltoo Mast 110 Foo-fly oportuter 40-size engines spans 52 Lightweight structure$ 700 No466 cempotlter CL Stunter 60 power has 850 ng wing area$ 575 Na 467 Mu Spelt FF Rubber Scale design won 83 Nuts designer Don Srull Wingspan ls 26 in$ 250 No468 Smoother CL Stunter 29/35 powor Design bused hybrid SmoothielNobler$ 675 No 469 Doe Ittohet 110 Sport Scale rendering Polish homebuiti pusher Spans 75 sues 40-size 4-cycle engine Four sheets$2075 No470 Strakor 110 Mid-wing sportister uses 40/45 four-stroke engine spans 50% tail-dragger$ 650 No471 Mogan Aeon CL Profile Stunt trainer spans 54 in. uses 35/40 engine Flapped wing$ 575 No472 Parocreft 110 Craft has flexible poraf oil wing uses 3110 channels 60 engine$ 550 No473 Tunane 110 Sport scale turboprop trainer spans 66 sons 60/75 engines Three sheets$1250 No 474 Pacer 15 FF Nordic A-i Towline Glider woo 1983 World champs$ 500 No 475Beeptaynleuk ci Slow Combat model uses geodetic wing construction 36 engIne Two-sheet plan has ports pattems$ 400 No 476Mania 250 FF competition hA plane has manta-ray-shaped wing spans 43 in$ 500 No 477Maudads CL Sport Stunter uses sport 15 engine spans 35 -$ 325 No478Outternup 110 Cute elfin sportuter uses micro 2-ch 110 poise-redder Spans 27 tor 020-035 power$ 300 No479Four-Stroke boater 110 SportfAnrobutics ship haul 920s styling uses 90 4-stroke engine spaou 85 2 sheets$1100 No460Ildtcutoun OL Fabulous compelitbon Slonter has 550 sq wing area flies TO 0491051 spans 47% in$ 600 No 461deropa 110 Sailplane FAI competitise has fiberglass fuselage foam wings wing tiapa stabilator tail Spans 110 in$ 700 No402Beidee-Agor 110 Sport/Aerokatic model looks likes Golden Age sportuter 60 engians spans 62 in$ 750 No483dOS Hawk Uitralght FF Outdoor Gas Scale plane uses 00-2 power spans 29 $ 300 No 484Aerosol K 110 Osarter-Scale 305 lighlplane spans 9 ft. uses 12 co 0 2-cyl. 4-stroke engine weighs 11% lb Three sheets$1 975 No 455Hawker Nunter CL Fan-scale firitish let fighter has 1 8h-ln foam wing axes %A power$ 175 Na 456Mtles-Atwead Speclat 110 Sport-Scale Golden Age air-racer uses 21 engine spans 45 in$ 825 Os Os Co5 0 0 c 0 -Os oscr cc zo or0 0 - 00 sum su C - so 0 -c flb cs- sum 0 00 05 Os m C V coOs m C- 0 V mm 0su 0 Gm U or eec 0 Em a so N IL I I I I
Edition: Model Aviation - 1985/10
Page Numbers: 84, 85, 86, 87, 88, 162, 163, 164
Big picture author hand-launches test flight plane flies large left-hand circles averaging 40 sec 12 strands 3/16In rubber Flight adjustments easyto make thrust line can altered placing balsa acraps behind thrust plate Above two MB-7s built compete 1921 1922 Pulitzer Prize races particular modeled raced 1922 Number 7 Influenced early 1920s racing era models unique wing short fuselage combine make delightful Jumbo Scale rubber-powered project Flight qual ities outstanding U Bill Noonan itaoie ii isr-servic wasscau am4oiiar second i ne i nomas-Morse comp come intrigued exp ostensible successes British Martin syde company Alula wing principle decided incorporate design MB-7 Thomas maintained curious humved ion design butriy 19 thickness chord therebyower oh substantial change basic concept first MB-7 showed promise achiev- ing recorded speed 180 mph before conspi Left This view reveais modeis nice proportions adequate nose/tail moment arms Right simulated wing radiators made patches painted coarse silk cloth Aiieron elevator separations can indicated inked lines airbrushing immediately front cockpit being widest part fuselage Tem porarily clamp tail post together cement crosspieces place Cut remaining crosspieces confirming length checking top view plans Cement crosspieces place aft cockpit checking symmetry go End up cementing tail posts together Carefully cut upper lower lon gerons station front cockpit fine-tooth saw will ease operation Cement front fuselage frames back place noting taper toward nose top view plans Cement crosspieces finish part operation cementing circular nose Bulkhead place top cowl decking carved soft balsa hollowed-out about -in wall thickness makes peculiar transi tion absolutely round nose flat turtleback behind cockpit elements gives MIB-7 its character pays work slowly helpful have side Formers B through E cut out can used check top decking fairs-in nicely fuselage sides Make neces sary modifications Remember sides covered 1/32 sheet balsa back rear wing strut make al lowances fitting side formers Carefully cut cockpit opening top decking maintaining elliptical symme try Cut 1/32 sheet balsa cowl sides slightly oversize Trim fit holding place against fuselage confirm ac curate shape dimensions Cyanoacry late CyA glue works good advantage making final fit Wetting outside 1/32 sheet ammoniaand-water solution makes wood mal leable easier form Cut valve cover assemblies light balsa made carving unit single piece wood separating trailing fairing shown coneshaped leading fairing cut separately grain running vertically along centerline Exhaust collectors cut -in sheet balsa sanded streamline shape cross-over between valve covers soft -in sheet also faired streamline shape Add hard balsa breather pipe top carburetor intake under unit Before adding solid balsa lower cowl ing bend landing gear legs 1/32 wire care can bent single unit Bind crosspieces fuselage wire thread apply cement Rein forcing gussets applied crosspieces contact longerons help resist landing gear shock Cut apiece 045 wire about 7 long spreader bar Solder Vs landing gear legs spreader bar 86 Model Aviation Although short-coupled model exhibits excellent stabIlity tong ianaing gear aiiowa easy ROG launches Stabilizer incidence easily changed shim inserted between fuselage mount stab underside its excellent Jumbo Scale subject ns loca POIHI pIupaI ier maae oy laminating plywood over pitch block Birch dowel hubs Insert spinners brass boss Pins lock blades Lj ccIq 0 flOO Cuq jooiooo b0 sftco~rng rpoket z oc Co __ Cd bLaTHOMASMORSE MB7 oeooow,vIN Full-Size Plans Available. See Page 164 fairing built-up like small wing cemented place over wire Fit -in sheet balsa streamline leg fairings place both ends fit neatly respective contact surfaces 334-in-dia wheels may turned -in balsa two pieces -in sheet laminated right angles purchased commercially streamlined teardrop fairing juncture rear landing gear leg wing strut added after model covered prop unit freewheeling con tained inside hollowed-out balsa spinner Blades two pieces 1/64 ply laminated over pitch block have found type propeller improvement over carved ones main advantages ease replacement broken blades broad latitude pitch selection wellcarved balsa prop better looking may have aerodyamic edge think advantages cited outweigh factors prop boss -in ID brass drilled center accept 1/1 6-in-dia shaft spinner made laminating six pieces hard -in sheet balsa together right angles make 2 x 2 x 1-in cube will allow accurately drill drill press table tunnel brass boss will slip later Drill -in-dia hole through 1in-dimension centerline Insert birch dowel allowing about 2 protrude out side will become back spinner can chucked drill press hand drill spinner can turned lathe Rough-cutting circular shape before turning saves wear tear sandpaper makes operation safer turning sure hole drilled boss large end spinner finished cut off surplus birch dowel carefully cut through spin ner separate disc surrounds boss tube bullet-shaped nose portion Hollow-out nose accom modate freewheeling clutch Insert brass boss tube balsa disc cement place 1/64 circular plywood doubler back unit makes stronger part Bend 1/16-in wire prop shaft accept either bobbin Crockett rubber hook have good luck bobbin utilizing safety latch model powered 12 strands 3/16-in rubber becomes quite handful 900 turns winder bobbin facilitates transfer rubber Left close look Indexing block bobbin full load rubber 900 turns can hard handle bobbin has worked well helping transfer rubber winder prop shaft Right Wings easily removed fixed center section tongue pocket used alignment Rubberbands stretched between hooks wings underside hold panels place October 1985 87 Ii Left The disassembled model easy store transport Wings designed resist damage case OT impact tail sur faces can adjusted easily Right Lightening holes wing ribs lightness key ingredient model fly well can put punching tools made brass tubing Grind sharp cutting edge end tube rotate against wing rib together 1/64 plywood Joiner F Mark off rib positions spar slip ribs place Dont apply cement yet File notches ribs front rear spars leading edge Carefully force sparts place checking assembly symmetrical alignment everything OK apply CyA glue joints Cut trailing edge 3/16 sheet balsa cement place going make wings removable will necessary make tongue pocket parts index wing panels center section pocket made cutting two pieces hard 1/16 sheet balsa framing three edges inserting 3/32 sheet has reduced thickness almost 1/16 just enough oversize allow easy passage 1/16 balsa tongue projects wing panels Cement pockets place shown plans having first determined accurate position slot root rib may prefer cut slot both rib its 1/64 plywood doubler before final installa tion pocket 1/16-in ID aluminum tube set about ling edge allows insertion 1/16in OD allgnment pin keep wing panel correctly aligned center section Cut cabane strut mounts winder prop shaft prop shaft passes through 1/16 ply circular thrust plate right behind spinner assembly accommodates both thrust bearing indexing block cemented back fits snugly rectagular aperture Bulkhead Bend shaft 900 angle front brass boss after slipping small spring serves disengage clutch once rubber unwound Cement hollow spinner back place sure freewheeler works OK Add soft balsa headrest cement plywood tail skid slotted blocjc tail post Drill holes top decking receive bamboo cabane struts have sanded oval cross section cement struts place time Leaving until later facilitates centersection incidence adjustments Wing difficult part unusual Alula wing center section Start cutting ribs Slot receive main spar leave slotting smaller spars until later Make center-section main spar hard 1/16 x -in balsa four pieces make bridge-like part held hard 3/32 sheet balsa drill receive struts Note pieces cemented between Ribs 2 Add small blocks balsa about de Rib 4 along bottom provide base cement wing struts later after model covered strength wing comes primarily 1/32 sheet balsa leading edge carefully bent around airfoil Start cementing straight-grained balsa 1/20 x -in upper spar between Ribs 1 3 Apply solution ammonia water outside sheet draw around ribs same time using CyA glue rib sheet coypring finally cemented lower spar Trim away excess wood Repeat pro cess between Ribs 3 4 Fair sheet ribs produce unbroken airfoil outer wing panels utilize hard 1/16 sheet main spar tapers 11/16 atthe rootto b 9 Markoff rib stations slip ribs place File notches leading edge spars insert place Slip notched trailing edge place Check panel correct alignment sure root ribs panels mate center section proper dihedral Apply CyA joints Continued page 162 88 Model Aviation ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX K AMA Membership143 Ace Radio Control49 Airtronics82-83 Astro Flight1 28 B. Line22 B&B Custom Built Models158 Balsa USA13 Beercan Bombers128 Bergeron Enterprises146 Byron Originals47 CaRa Products152 Carolina-Taffinder156 Johnnie Casburn Mfg138 Chicago Model & Hobby Show145 Cleveland Model & Supply Co151 Eric Clutton163 Condor Trading Co120 Consumers Guide125 Coverite157 Cox Hobbies142 D&D Engineering159 DGA Designs154 Jim Denaro Model Products51 Dougs Hobby Shop148-149 Larry Dodge Aero Inc135 Du-Bro Products Inc11 FAI Model Supply129 FHS Supply Inc4 Fiberglass Master139 Flyline Models157 Fourmost Products146 Fox Mfg53 Futaba Corp America2 Gas Model Products162 Gator RC Products138 Carl Goldberg Models7 Golden Gate Hobbiess3 Gorham Model Products9 Great Planes Model Mfg Co1 1/5-scale B-25 Mitchell bombers squad ron A6M5 Zero fighters P-47 Thunder bolts P-si Mustangs F4U Corsair Stir together add couple manned 1/25-scale M-4 Sherman tanks sea son indescribable pyrotechnics yield extravaganza called Striking Back Jet Rally 85 unqualified success terms exhibiting ducted-fan airplanes modelers public alike equip ment evolving third generation fan units realistic jet performance Historic Aviation21 Hobby Barn122-123 Hobby Capitol Distributors156 Hobby Horn49 Hobby Lobby International150 Hobby World Imports152 Hobbypoxy160 Holleys Silent Flight155 Ikon Northwest Co146 Indy RC Sales Inc130-132 Jeffla Corp147 Jomar125 163 K&BMfg156 K&S Engineering121 Kin Craft159 Knights Air120163 Kraft Systems Inc23 Kustom Kraftsmanship133 L&L Model Products128 Lindsey Micro Products1 Se Lone Star Models43 MACS Products152 Mammoth Scale Plans129 Master Kit144 McDaniel RC Service20 Jim Messers Quality Model Prod142 Micro Mark141 Micro Model Engineering146 Model Magic Products154 Model Rectifier CorpCovers 2 3 Morley USA158 Mutchlers Hobbies126-127 National Soaring Society158 Nor-Ray Products Inc20 North Products149 Nowlen Aero140 Off Ground Models155 PK Products144 Pacer Technology161 levels now achievable Current devel opments directed improving opera bility simplifring usage average RC modeler Ducted-fan technology has matured evidence wide variety models seen future bright can look forward continued events type promote new dimension RC powered flight sincere thanks extended Byron Godbersen able staff worked long hard provide setting hospitality memorable Hal Payne Enterprises152 Peck-Polymers138 Penn Valley Hobby Center158 Pica Products12 Polks Model Craft Hobby24-25 RC Buyers Guide147 RC Novelties22 RC Video Magazine144 R&D Engineering160 RJL Industries142 Radio South135 Repla-Tech International135 RoushMfg134162 SR Batteries139 SachsbyTG140 Sailplanes World124 Satellite City77 Scale Model Research135 Schlueter Free Flight Models162 Shamrock Competition Imports129 Sheldons Hobby Shop8136-137 Sig Mfg Co14-15 159 Simcoe RC Aircraft Co74 Specialty Hardware Co140 St Croix Models20 Standale Aircraft1 34 T&D Fiberglass Specialties124 John Tatone Model Eng Access22 Tatone Products Co121 Texxon Precision Products45 Top Flite Models Inc124 Tower Hobbies153 WE Technical Services6 Williams Bros139 Wilshire Model Center149 Windsor Propeller Co51 Workshop Concepts119 World Hobbies157 World EnginesCover 4 Zenith Aviation PublicationsS events modeling history missed interested please note Jet Rally 86 has already scheduled June 21-22 1986 Ida Grove IA Plan now attend look forward seeing MB-7/Noonan Continued page 88 wing tips made laminating three pieces 1/32 x wood around cardboard form Join part Super sport flier turnaround pattern Balsa & ply construction 70 span 927 sq area 7A -BS lbs$1 j 7612 cu Dealer Inquiry Invited 1728 Sywood SE Canton OH 44707 Send $1 far Catalog 216 484681O RoUSH MFG 162 Model Aviation r Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 02 $995 Giant Kwik Set 6 Minute16 oz$1395 Half FastlOMinutelOoz$895 GMP AIRCRAFT INSTRUMENTS 80in31161143/81/2$ 149 40 3/4 inch $ 149 EASY OFF PULLER proper tool removing drive washersand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OM 45239 513 385-7398 oat dealer ord drect Pout dd $150 [I Schlueter Free Flight Models 3508 Poinsettia Ave Manhattan Beach Co 90266 Dealer Inquiries Invited S PACIFIC ACE BLACK BULLET PARTIAL KITS pIans&printedvod PACIF ACE o SLACIS BULLET 2OS32S30 70 40t665 ADD 5200 SHLPP5G FOR EACH KIT ORDERCA RES ADO 6/ TAX leading edge 1/20 x 3/16 part Cut wing indexing tongues hard 1/16 sheet balsa Hold temporarily place fitting panel against center section checking alignment proper dihedral Cement tongues place Apply 1/32 sheet balsa leading edge same manner done center section will necessary fabricate 1/32 sheet leading edge tip outboard Rib 9 independent unit pinched around laminated part cemented place Add root gusset 1/16 sheet collar surrounding sim ulated control horn horn cemented place after wing covered Trim trailing edge laminated tip fair-in smoothly airfoil After wing covered bend two sets retainer hooks wing set mounted spar other trailing edge underside stretched rubberband holds panels place allows wing give case impact Tail surfaces Both rudder stabil izer built using sprung rib meth od provides lightweight surface very strong Prepare cardboard form 1/16 smaller stabilizer fin used bend two pieces 1/32 x straight-grained basswood forms outlines Soak basswood am monia-water solution about 15 mm rinse thoroughly Apply thin bead white glue between laminations secure two pieces against edges cardboard form Waxing edges parafin childs crayon will make easy remove dry part Allow dry overnight Construction procedure same tail parts Secure laminated frame position over plans Cut position trailing edges Cut fit lower part ribs medium-hard 1/32 sheet balsa parts -in wide lies flat building surface Apply cement parts abut leading trailing edges Cut th spars position ribs over plans Apply cement contact ribs framework Now repeat rib-cutting process top rib parts Carefully position part place Apply CyA glue first trailing edge forcing part down over spars contact point leading edge final result streamline cross section horizontal stab built piece will necessary make tissue tracing half left stab align fuselage centerline upside down get right side horizontal stab has 1/32 sheet center section both top bottom bottom part rests against two 1/16 sheet stabilizer mount parts cemented top longeron entire tail assembly held place rubberbands stretched between 020 wire hooks retainers hooks KNIGHTS AIR y SCALE WHEELS Real rubber tire cast aluminum hubs True scale appearance 65 diameter Pair mains 0 shipping cemented stab spars project down fuselage bottom ends rubberbands drawn through holes wedge-shaped balsa forms tail skid mount Slip bamboo retainer sliv ers place hold rubberbands method mounting tail surfaces allows convenient removal incidence changes Miscellaneous wing struts cut medium grade alsa sanded streamline shape Wire pins end reinforce mounting struts finally cemented place brace wires between struts may made black carpet thread covered model white tissue Peck-Polymers no parGIANT SCALE RETRACTS Formerly Annco Mfg Co True scale appearance Will support models up 50 lbs Positive locking up down working olco struts Precision machined metal lightweight construction Air/hydraulic controls 13/ 16 air cylinder bore Gear leg length 11 pivot axle Installation drawings instructions air tank included Perfect fit Nosen kits RETRACT GEAR $22000 shipping Wheels sold separately ORDER DIRECT ONLY William M Hawke 7148 Lasting Light Way Columbia MD 21045 _______________________301 730-5596 ticularly difficult areas comes covering MB-7 Note underside wing airfoil makes transi tion cambered section center semi-symmetrical tip sure cement tissue cambered portion Shrink covering light mist water alcohol Follow two coats clear nitrate dope diluted 50% October 1985 163 P-51 r P47 4 PAW DIESELS Englands Finest 049 35 RIC STD Suid $100 list Eric Clutton 913 Cedar Lane Tullahoma Tenn 37388 Circle numbers plans wish order 193 326 426 442 453 462 469 476 483 239 332 430 444 454 463 470 477 484 262 358 433 445 456 464 471 478 485 299 386 437 446 457 465 472 479 486 302 398 438 447 458 466 473 480 487 310 414 440 449 460 467 474 481 488 314 422 441 452 461 468 475 482 489 Plan price includes first class postage US delvery Air Man over 300 miles I For orders outside US e add $250 Air Mail $1 25 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ NAME STREET CITYI STATE ____________________________________________________________[v32][b953312299300]]ZIP ____________________________________________________________[v32][b163231279200]] thinner final coat should have silver powder added about much might held metal ferrule common pencil eraser ounce clear dope An airbrush will needed operation silver powder tends streak brushed-on Add details such fuselage numerals rudder stripes may painted cut tissue doped-on rudder numbers made rub-off transfers Aileron stab separation outlines inked airbrushed Paint engine rocker-arm covers flat black exhaust pipes can same adding slight spray silver black paint still wet adds realistic mottled look Rubbing parts powdered graphite heightens metallic simulation Add cooling louvers fuselage sides fake wing radiators top wing center section between Ribs 2 3 merely cut pieces coarse silk painted dirty brass color before cementing place giving pretty good illusion radiator texture pilot sculptured light balsa given couple coats sanding sealer Acrylic artists paints used final coloring scarf white tissue Flying 12 strands 3/16-in rubber used power model should about 36 long have tried both Sig FAI rubber find much different power curve between two Sig seems tolerate winds given length torque constant during usable power run FAI has aggressive torque right beginning drops off appreciably toward middle power run may wish experiment Balance model front strut incidence shown plans good starting point can easily add take out stab incidence necessary good starting point 20 downthrust about 30 right add field twig thrust plate get little downthrust during initial testing model haved perfectly Naturally replaced improvised part neat piece balsa got home next time flew it stalled again should have glued twig place Thomas-Morse MB-7 unusual subject Dont let novel arrangement wing stubby fuselage put off remarkably stable delight air would like propose competition class Pulitzer Schneider James Gor don Bennett other early racers Theres wealth nifty designs just wait ing built first block try model developed information three-views photos contained Thomas Foxworths superb book Speed Seekers well worth hunting though may out print 164 Model Aviation FULL SIZE PLANS No 487 Cap 21$1000 RC Scale Aerobatic plane 40-size engine Two sheets Wingspan 62 No 488 MB-$ 500 FF Jumbo Rubber Scale Thomas-Morse Scout spans 37 No 489 Undertaker$ 500 CL Foam-winged AMA Combat plane 36 engine pane 451A 47 No 193Stihtta CL Stunt model IMoOrmaldI winner 197819801 982 FAI Worn champ$ 375 No 239DIes Erda 110 Ken willards formation plane 4-channel 1 0power$ 375 Plo 212Crashmautar ci crasfrproof trainer two sizesI 5-30- 3540-power . $ 125 Ne 299Bee lee Sr Spartater nc %ocale Haffke 91 power Prototype span 30 ft Two-and-a-han sheets$1175 No 302Mliii FIS ac Sarpolos 049 docte fans oil flier 2-channel Balsa wings tail lose structure$ 275 No 3101530 Float Olpiam RC Sport Scale fer 35-40 4-channel Wingopan 56 4 scale Two sheets$ 625 Plo 314Drake t nc Kon Willards fling boat 3-channel 15-power Fly trom land removable gear$ 375 321Taylor Ceic Rc Don Srulls Schoolyard-Scale 049s 2-3 channel Spans 50 in$ 350 No 332Zephyr nc Small 2-channel glider hand-launch tow thermal slope souring$ 200 No 358floces FF lodnor Easy B Robber-power contest-winner W Van Gorder$100 No 306Liner 200 no Sport Scale replica championship Aerohatic flier Uses 40 power 4-5 channel Two sheets$1075 Ne 391Boo Bee 01 no Haffkes latest %-scale spans 75 weighs 15 lb flies 90 larger Four sheets Inn docf$2225 Ne 414ElectrIc Spetky 110 electric-powered fan flier 05 motor 3-channel 11015 scaled spi 939 rubber-power favorite$ 850 No 422Scoater 110 Two-Meter Sailplane has won Nato event 1982 1983 plus other contests$ 550 426OMna CDpper RO Fabulous 74-In-span Sport Scale flying bout bar 10-size engines 4-channel Three sheets 100 docf$2000 No430irmuldo RC Zippy little sportoterfor 10-15 powerand 3-channel 110$ 400 433 Watts Uto 110 Electric-powered glider 2-3 channels 035 motor spons 52 . $ 450 No437 KIogDatur CL Profile Carrier plane spans 40/ sues 35 engine$ 600 Ito 438debar FF Embryo Endurance rubber-power fuo ship has big-model characteristics$ 200 No 440CaneOar 110 Old-Timer-lIke new design has hage wing slow easy flights 35 power 3 channels Two sheets$1 725 No441 WIt FF Hot small lightweight competition ship 15 power designer Harry Murphy$ 475 No442Lazy Duck 110 ttig canard sport fIler AA-09 power 2 channels Uses team beard parts$ 650 No444Fbalielt 110 pusher canard sporolpattem uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 445No11th Cougar CL Scale model popular hmnebuilt won Hats Uses 21 engine spans 41 is$ 925 No 446La Crate 110 Electric-powered sport flier 05 motors 3-channels Two versions parasol cabin$ 550 No447WA Usa Aalertea 110 Old-Timer AA Texaco model 049 glow 2-channels$ 650 No 440Settee Cl SportlSluot plane 40-size 4-stroke engine builds foot easy$ 600 No452gee Seal 110 Quarter-scale spans 71% in. uses 90 power Four sheets$1600 No453 Sioeothia ProSe CL Profile rendition Bob Palmers soper-Stunter early Fifties 35 power$ 550 No454 swoat P-3D FF Neat stick-and-f boo Outdoor Rubber P30-class model contest-winner$ 200 No456 lit-Tech 2001 110 Ducted-fan futuristic-lookIng canard 25-size engines Built-up construction Threw sheets$1175 No457 Dttactra 110 Electric-power 05-size motor uses 3 different wings sport souring eerohahcs$ 700 No 458 Deoetlees CL Profile Carrier 1 5-power events Two sheets$ 57S No460 440110 Shoulder-wing sport flier 4-cycle 40-size engIne 4 channels$ 650 No461 Trlater Saneatermar CL Famous unflapped Stunter late Forties Uses 35 engine$ 650 No462 PeolNo P6 FF Jumbo Rubber Scale WW Italian obuervation plane$ 400 No 463 Ptefyhulmtathes Vk 110 IA Pylon racer uses lots life ply haiti-up structare strength lightaeas$ 475 No414 5oodeecer 01 hA sport flier io all-sheet-halsa can use Too Dee 049$ 325 Ne 465 ltoo Mast 110 Foo-fly oportuter 40-size engines spans 52 Lightweight structure$ 700 No466 cempotlter CL Stunter 60 power has 850 ng wing area$ 575 Na 467 Mu Spelt FF Rubber Scale design won 83 Nuts designer Don Srull Wingspan ls 26 in$ 250 No468 Smoother CL Stunter 29/35 powor Design bused hybrid SmoothielNobler$ 675 No 469 Doe Ittohet 110 Sport Scale rendering Polish homebuiti pusher Spans 75 sues 40-size 4-cycle engine Four sheets$2075 No470 Strakor 110 Mid-wing sportister uses 40/45 four-stroke engine spans 50% tail-dragger$ 650 No471 Mogan Aeon CL Profile Stunt trainer spans 54 in. uses 35/40 engine Flapped wing$ 575 No472 Parocreft 110 Craft has flexible poraf oil wing uses 3110 channels 60 engine$ 550 No473 Tunane 110 Sport scale turboprop trainer spans 66 sons 60/75 engines Three sheets$1250 No 474 Pacer 15 FF Nordic A-i Towline Glider woo 1983 World champs$ 500 No 475Beeptaynleuk ci Slow Combat model uses geodetic wing construction 36 engIne Two-sheet plan has ports pattems$ 400 No 476Mania 250 FF competition hA plane has manta-ray-shaped wing spans 43 in$ 500 No 477Maudads CL Sport Stunter uses sport 15 engine spans 35 -$ 325 No478Outternup 110 Cute elfin sportuter uses micro 2-ch 110 poise-redder Spans 27 tor 020-035 power$ 300 No479Four-Stroke boater 110 SportfAnrobutics ship haul 920s styling uses 90 4-stroke engine spaou 85 2 sheets$1100 No460Ildtcutoun OL Fabulous compelitbon Slonter has 550 sq wing area flies TO 0491051 spans 47% in$ 600 No 461deropa 110 Sailplane FAI competitise has fiberglass fuselage foam wings wing tiapa stabilator tail Spans 110 in$ 700 No402Beidee-Agor 110 Sport/Aerokatic model looks likes Golden Age sportuter 60 engians spans 62 in$ 750 No483dOS Hawk Uitralght FF Outdoor Gas Scale plane uses 00-2 power spans 29 $ 300 No 484Aerosol K 110 Osarter-Scale 305 lighlplane spans 9 ft. uses 12 co 0 2-cyl. 4-stroke engine weighs 11% lb Three sheets$1 975 No 455Hawker Nunter CL Fan-scale firitish let fighter has 1 8h-ln foam wing axes %A power$ 175 Na 456Mtles-Atwead Speclat 110 Sport-Scale Golden Age air-racer uses 21 engine spans 45 in$ 825 Os Os Co5 0 0 c 0 -Os oscr cc zo or0 0 - 00 sum su C - so 0 -c flb cs- sum 0 00 05 Os m C V coOs m C- 0 V mm 0su 0 Gm U or eec 0 Em a so N IL I I I I