It This PB mIMI e s prac subn Jonathi tNUAJIY 1942 whi y wiiter r ir Middle iggest 0 square miles uc Vickers Welk ig range bomber yes Ethiopia - Base near Baudad night Iraqi forces ie e deserts fighting imel 1 edge thi ors Rear gunn qias starbo imagine e get back ng desert iii though thai efore would upied Europe d air war fi acco tougher bus woi assuming eli prospe manding No squadron 26-hr air-refu author no d war through floe Islands Lad ill writer e ularIy iowever q tnient tei 1e head KA 15 Marshal wouia give c n squadi n rnoer called well service aLan ur NO OCR TEXT Let vvmtn outer wing panels removed Boston ready transported flying field course landing gear will also retracted red wing ends give protection flap aileron rods protrude Right underside plane including landing gear doors painted light blue camouflage doors held closed position rubberbands arms push open 90 Model Aviation flight new type airplane makes adrenalin flow swiftly Boston no exception Having clearance control towera nice change desert flyingI moved off gingerly trying out foot-operated brake pedals throttle re sponses first thing notice about airplane tricycle gear very new 1942 much easier nicer old way can see exactly going can position ship safely accurately Full marks brilliant man first thought upa milestone aviation development now take granted takeoff dead straight down dotted lineand pronto No hanging about wheels came up quickly flying dream No bad habits no worries no prob lems engines purred like pussycats felt like king particularly airspeed indicator showing cruising along easy 275 mph hot ship go war 100 mph faster anything previously experienced return runway touchdown followed fast fair Clearly needed learn new tricks Continued page 172 Left The model original 12-6 wood propellers Extended air intakes carburetors seen other picturesfor dust sand filters hadnt installed pic taken Right Handy cradle made polystyrene Enya 40-4C engines being trial-fitted proud owner some snaps made show grandchildren later Guns blisters werent really necessary thinks hidden two quite enough An RAF idea says changes throttle setting compensate wind Full-stall prop-hanging low-speed flight requires practice proficient Smooth precise control throttle necessary An extension throttle control arm will allow full control range G-S bellcrank used will improve engine speed control avoid yaw oscillations transitioning through stall should accomplished smoothly throttle bursts Should oscillations occur easiest way stop recover level flight increase speed improve line tension increase rudder effectiveness hope enjoy Kingfisher much have May landings 100-pointers Boston/Pelly-Fry Continued page 90 tricycles fast landings avoided porpoising does take long Boston taught yourself second landing onward whole business joy Almost first thing happened joining 88 Sqdn apart attack Luftwaffe upon arrival arrange fly somewhere back formations learn what game about As became proficient moved up easy stages closer front Excellent training indeed cannot lead anything life properly until have first started bottom ladder Finally promoted ourselves being lead aircraft Easy com manding officerbut also carry heavy responsibility no short cuts business operations Spitfire pilots happy because escorting fast bomber force could fly efficient speeds fear being jumped Luftwaffe Me109s FW 190s Meeting-up cotrectly escorting Spitfire squadrons course still its problems order get smooth rendezvousand under 200 ft altitude keep out enemy radar systemwe aimed arrive precisely over designated meeting point en route target timing error no 15 seconds Jock navigator never missed trick everybody happy However smiled day message came through Fighter Command Hq asking Boston force slow down out ward journey across English Channel because Spitfires burning too much fuel Quite change earlier times settled nice easy 240 mph sea level until just short enemy coast fine everybody Fine 12 Bostonssometimes moreand up 150 Spitfires same mission Quite armada come think about used call Balbo after prewar Italian air general clearly thought big beautiful fascinating impression out ward bound wave-top height seeing close escort Spitfires looking world like model airplanes Thank heaven real definitely aeromodeling time Bostons making notable contribution war effort last losses beginning come down began completing missions mostly daylight aircraft returningmaybe holes got back Things look ing up say 1948 No 88 Squadron moved France support Allied armies job A-20 designed writer moved heavy bomber business Yorkshire operated four-engine Handley Page Halifax good tough re liable airplane Although night bomber supporting complimentary US 8th Air Force day practice BUILDERS Get off better start season using Dealer mud Dintnbetor Inquinies Invited Custom Cut Cloth Any Length Kin-Craft Mt g Rt 2 Box 481 E Ashland KY 41101 606 978-4763 . 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around some 3000 acres parkland together good fishing lake once home Anne Boleyn married King Henry VIIIthone eight wives Eventually Allies won war Europe things began get better Could resume aeromodeling yet Overseas assignments again Australia East Africa Iran NATO France However managed couple Free Flight planes Australia later nice Power job small diesel engine Teheran air tache commitments allowed flew well de spite 5000-ft altitude summer heat About time thoughts began turn Radio Control new look aeromodeling Apart trainer visions RC Boston Pure dreaming maybe what harm never became reality wonderful ruminate about Clearly Douglas air plane left its mark memory some 70 different kinds flying machines recorded pilots log books rated Boston top three As much wanted begin model took time opportunity before practical action could taken RC Boston After around 1958 some years later heard twin-engine bomber scale form operated remote control ground Meanwhile best thing collect data model publishers possible go contests see what others doingthe look listen learn formula What would practical starting point no Scale experience very little powered flight experiencezero radio know-how best way collect data Boston relate such theoretical knowledge could acquire Already 1978 least succeeded making powered Sailplane just over 9-ft wing span flew wellto great satisfac tion Boston project con cerned model publishers London came up excellent drawings bush telegraph told Bob Wischer far-off Wisconsin constructed flown Douglas A-20G Both John Alcorn California John drawn up orig inal A-20 drawings sent off fat envelopes across Atlantic full data pics drawings etc helpful people Douglas Aircraft came up mate rial Clearly passed stage could chicken out Yes sir trapped game Darn John Alcorns drawings specified No 88 Squadron first step examine factors available materials various reasonsprobably guesswork calculationit seemed scale onetenth starting point easy work out conversions scale wingspan would just over 73 good size construction equipment acApril 1984 173 flies good looks Major Components Molded Urethane Foam 63375 Wingspan 60 Engine8 lbs Complete Ust Price $28500 Factory Direct $22800AT-6 SNI-HARVARD IMi chigan residents add 4% sales tax Great Lakes Model Company SeediureWelcomPO Box 308 Tawas City Ml 48763517 362-6078 j commodation transportation general appearance curious fact emerged upon reading data blush admit awful lot technical design items Boston frankly knew nothing about common pi lots wonder us know such essential thingsto aeromodeleras wing section What about wing washout Location center gravity Wing loading Thrust line Rigging angle wing stabilizer Control throws list long concluded Scale model ers need much better informed pilots Coupled starting point onetenth scale two important decisions awaited solution choice engines choice landing gear Having decided use fourstroke engines settled new Enya 40-4C well-made compact engine power output close ould almost fit inside 6-in cowlings Boston lIlA A-20C model having forward-extended carburetor ramair intakes would accommodate Enya rocker gear vertical engine mounting Provided engines delivered power all-up weight high 13 lb choice seemed sound Perhaps passing interest ob servation writer gets impression too model airplanes overpowered exception specifically de signed aerobatics landing gear NEW BUSY PEOPLE KITS BRIA STINSON L5 CESSNA 16 INCH ALL BALSA -FAB PROFILE FLYING MODELS $695 RUBBER POWER LOG $150 best choice seemed use Rom Air units Brooklyn An American-made product heard very good American airplane made sense came run snags No Enya 40-4C engines become available United Kingdom time Rhom folks certainly did 1980 make main gear retracts backward engine nacelle guess twin-engine Scale models aft-retracting main gear rare birds Fortunately both snags sorted out fairly quickly able get engines through valuable help Bud Voss lives Tokyo champion aeromodeler Japan operates much speed disappointment happened end British Post Office decided send precious package way back Tokyo saying insufficiently stamped second time round world like astronaut engines showed up taken hand David Parker great engine expert lives nearby rolls own speak having made own-design engines including excellent steam job powers models After breaking-in Enyas ran sweetly quietly producing 8000 rpm bench 12 x 6 propeller Its wonderful hear turning over realistically Work began RC Boston earnest * * * *WANDITTM * PT PEN * Dealers Invited * * loIre year warranty Wet Dry10 ft CORD * Stick Abrasives * *A Keen Machine gives exceptional *sandng control excellent finish * * 899 Basic mcI 1 flat Wand 1 * its *108~ Builder Special mcI 2 flat 1 half- * and wand 5 6 grits *12995 Deluxe includes 3 flat 2 half * nd wands huff wands * 6 grits * *Additional Wands Abrasixes available * local hubby shop *ADD IS ELMORE Exe No 1214 288 5785 -C * ox 266 uite Teous 75149- * First working drawings scaled up John Alcorns hardware hand Rom-Air retracts modified suit Boston operated beautifully could physically relate paper design components example lower part nacelles would have made removable access maintenance pleasure draw up design full model size great care taken get subtle curves just right final product really breathe realism just have work Once drawings complete three elevations satisfaction three basic re quirements needed examined First transportation considerations Second air frame design type structure em ploy Third installation hardware would think three factors easy satisfy seemed take weeks getting wrong before everything clicked place now know never before operative word compromise have reconcile what want what possible solution introduces fresh problems unconnected first compromise brings another need make concessions plan first three require ments make outer sections wing removable leaving main part model completely piece gave Continued page 176 RADIO 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ClO 442-4C3C r-~ WIWf7fW5UWor t519 BOX 2498 -MA ESA CA 92041 muffler designed upright mounted engines round oval cowls Perfect Waco others similar size design Three sizes availablesmall 15 -25 medium 29 40 large 45 80 Send ASAE exact dimensions Tuned Pipe Adapter Boat Mufflers Super Expansion FAI Competition main unit manageable avoided hassle complete assembly dis assembly applies especially hard ware electronic items vital safe flight best left alone semi-permanently position except maintenance outer panels joined just ailerons begin using steelstrip-in-sleeve method Once wing panel slid position simple connect clevis aileron fit restraining rubber loops simple assembly needed flying field thus keep ing errors minimum second requirement airframe de sign type construction settled known proven methods materials marine three-ply spruce balsa nylon material new thin fiber glass molded engine cowlings basic fuselage structure box inner wall /M three-ply Finland make soft balsa outer skin glued thick planks shaped afterwards As center part fuselagethe fat partis constant sec tion female template used Later pleasant sit out garden whittle sand away stroke more weight removed thats what Glenn Curtiss used call add ing lightness wing tail units standard spar rib construction mostly balsa thin balsa skin nylon covering Pitts Pitts Jr Super Flo Thru Exhaust Manifolds third item hardware installation proved complex expected landing gear just positioned such way main wheels lowered correctly located way could see extend some part wing downward forward find right spot space beef up structure take load job finished looked real smart functional trouble darn thing collapsed during taxi trials Back stress depart ment landing gear doors symmetrical identical shape worked out fine nacelles built like hull planked boat split half like chocolate Easter egg lower part being removable Provision made engine have its servo just behind carburetor access tuning type size fuel tank tricky order get tanks correctly positioned short fuel line space immediately behind front wing spar far back main spar wanted tank size six fluid ounces 170cc After trying com mercial product just little too long put together pair metal tanks Hatch covers quick-release /4-turn pins completed setup tricky element surprising such fuselage ample proportions position ing radio gear Bearing mind need put far forward possible balance purposes too items clashed others repositioned because pushrods control surfaces either no unobstructed line travel access adjusting control throws insufficient six channels nine servos ugh locate fascinating jigsaw puzzle took time solve suppose would have boring otherwise due course simplistic way saying two-and-a-half years 2000 man hours later give take odd hundred twin-engined radio-controlled onetenth-scale flying model Douglas A-20C Boston 11 IA Royal Air Force colors insignia No 88 Squadron carried wartime identity letters RH-A commanding officers personal airplane Additionally emblem wing commanders pennant showed just pilots cockpit port side critical eye looked great flying weight usual tell crept up 12 lb 12 oz would hot ship wing loading 44 oz/sq ft After careful engine checks throttle response synchronism peak rpmand thorough check radio associated functions correctness operationthe model taken sports ground ground handling taxi trials obtain correct balance positionas Continued page 178 Call 71211543930 FAST C0D orders MasterCsrdlYlsa Phone hrs Sam Deeler Inquires /Forsls orders welcome ROOKIE Super beginner kit 60 wing span $2799 CITABRIA65 wing span 25-40 power $3399 SCALE KITS CHAMPION CITABRIA 9 wing span 60 pwr & up $6499 BUD NOSEN TRAINIR 102 wing span 60 pwr-up $5599 PIPER CUP J-3 9 wing span 60 power & up $7588 P51-D 102wing span quadra power $10899 P5kD 102wingspan quadrapuwer $10899 o 1933 GERE SPORT 8 wing span 60 power & up $8999 o CESSNA 310 TWIN 10 wing span twin 60 pwr $12299 MR MULLIGAN 9 wing epan 60 power $8499 Other kits ssories available Catalog $200 D Inc High performance model engine connecting rods Dealer inqUiries invited connecting rode made best materials available designed give long service snd eliminate rod breakage modern hlghPerf manca modal engines Used loading aircraft boon car racers hobbyists Rods available popular model engines Look RPM new innovative products proven performance records Richardson Precision Machining Inc 5070 Golden Dr. San Jose CA 9512914081257-7058 176 Model Aviation mud uuvltupuu JJFr Semco 125 Manor Avenue Oaklyn NJ 08107 215 457-3120 GONTIOLINI TIED PROFILECOMBA 7RA T WIDE & NARROW WEDGE -- 6 oz Capacities LOW & TIIDD Custom DimiA lulls Ingredients Pa detailed bochuieSOC stamps/check nail CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts. SC 29418 803-663-7169 QQ SEE HOT STUFFTMVIDEO-TIPS VHS CASSETTES #S and2 CLIP THIS COUPON SEND $5500 check MO GET BOTH VHS TAPES PLUS 1 EA 2 oz HOT STUFF 2 oz SUPER T 3 OZ HOT SHOT OFFER GOOD IN US ONLY THRU JUNE 84 P0 BOX 836 SIMI CA 93062 805 522-0062 usual seemsrequired addition 6 oz lead nose Later some modifications repositioning radio reduced 3 oz model size weight thats too bad engines running sweetly quietly looked very nice indeed moving across short grass steerable nose wheel func tioning correctly So far good next time out using big playing fields Navy base Yeoviltonwhere Sea Harriers come fromI ex pert test pilot David Parker transmit ter Unfortunately runways available model aircraft Theres no prize guessing Harriers fly ing seven days per week However managed some fast runs playing field some producing small lift-off good final run startled saw Boston 20 feet above ground 20 inches Remember Air India advert Fly nowpray later thats way too Soon after Wright brothers hops able use other Navy field nearby Merryfield Present David Parker Handley Page Harrow twinengine bomber UK champion Briap Taylor Mosquito good company weather suitable set maiden flight good omen USAF used Merryfield WW II Boston soon made ready fueled up checked out checked out again No silly mistakes today date August 7 1982 moment truth arrived After short flight Harrow Da vid said get reflexes work ing Boston fired up engines turned sweetly responded com mands final check systems go moved off impressively turned wind along runway Throttles opened engines full rpm acceleration briskno swingno hesitationno problem After about 250 feet run slight rotation daylight showed under three wheels airborne Boston climbed around 150 feet en gines throttled back little gear disappeared Magic about 70% power setting traveling fast downwind looking sounding tremendousso realistic fact breathtaking usual test flight procedures car ried out Checks made control re sponse stability general handling slow fly ing safe height flap operation flaps set give maximum 35 degrees down prototype gave unwanted drag model can Lowering flaps gave slight nose-up change trimas big test pilots comments no problems consequence minor ones gear up center gravity just little too far back Coming Soon r[t 1/5 SCALE R/G MODEL 62 SPAN e 48 ENGINE 4-5 CHANNEL fl/C FOR ADVANCE INFO WRITE TO ST CROIX OF PARK FALLS LTD PO Box 2790 Park Falls WI 54552 aileron response could improvedwhat pundits call authority general flying 50-60% power seemed unexpectedly good Da vid made couple passes visual spection picture taking eventu ally called 15 minutes said would position landing light breeze blowing settled flaps-up configuration first touchdown throt tling back nice approach runway landed right opposite three us fast positive just like prototype end landing run familiar tall fin rudder seen turn Nosewheel steering certainly worked well Boston taxied back parking apron memorable exciting first flight pulse rate began return nor mal 1942 1982 40 years As far concerned time stood still back 88 Squadron climbing out fine Boston soon get back Blick ling Hall Norfolk delicious bacon eggs coffee maybe cigarette Thank Mr Donald Douglas makes em better Desperado/Evans Continued oaoe 94 outside skin provides hard pro tective shield inner core serves shock absorber fuselage built flat surface utilizing box construction triangu lar stock cornersproviding enough material rounding streamlining following sequence suggested Glue aliphatic works nicely pin 1/8 balsa leading a trailing edges foam cores keep cores free curves bends Set aside dry Cut out fuselage parts Pin fuselage bottom front piece flat sur face Glue pin left right sides fuselage bottom sides rest top flush edge front bottom Pin outside fuselage Slide rear fuselage bottom piece ATTENTION ERS 178 Model Aviation Power Soar New Heights 0 Electric Motor 01 CU ifl equivelent gas engine displacement Send self-addressed stamped envelope catalog ap 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