NO OCR TEXT NO OCR TEXT -AEiT WAS NEASUD hV FS GRATEfUL 7AASS ARE OLE TO MR Tf STORE WNO ALSO MADE AIdAILABLE RECONSTRUCTION DRAMNGS MR ALEX NENSMAW I0 SCPFLIED DETAILS V8 7CA77ONS LW PERCIVAL SE O-OPERA71ON WAS INDISPENSABLE BLAO PITOT TUBE VARIATIONS E TiNES GIVEN SCALE RATIER TRADE MARK S TINE S GIVEN SCALE 6AN RACES 1937 KINGS WPREE SELECTION RACING M9mDqs SIS NOT COMPLETE APEFL 193 R71GI CIJP RACE VEN77LAT7ON EAG0 LEFT SIDE CAIV LVRANGED IRDII 1935 A7FAVS CLP ESSEX AERD REMOVED AFTER CAPE fLIGHT CI6ACf-SCf-I IT 1/ 7/ BLLE RED WHITE \CAPE ILIGMT OALV / \ I o_L-AEXF Ij YSIXR ROPELLER OMSSNAL CAIV DECKING RETAINED RAI7ER ELLER fITTED UNTIL AFTER MAN RACES WINGSRAN94 3OVERALL LENGTH WING AREASB ft2 STABILIZER -- --74 V WHEEL TiACK5- oWITH Dh LLER-*OU EPATV hC 0936 - fl5Q RA77ERy* PROPELLER SENLESINGER -LOADED 4CDNT3E- S1Ib WITH GIPSYSIX ft- 0939- -9h t93Owl WITH GiPS sIXS DR ELLER LANDING AR SNEWH UNDER NO LOAD IN ALL WEWS FOR 1935 KiNGS OL OLED LEGS STRAPPED UP WIIH MIGN-TENSILE CABLE SITENEO BYAPPROI 3 REAR BLADES IS MATT BLACK ESTIMATED FIGURES QQ81 OVERALL fINISMWHITI ZSAMN REGISTRATION NAMES ON COWIJNG GAOcT REGaTRATIce IBRITISM WI14STAB1LIZER TiPS WNG NUNBER___ WCKPITINTERIOR4M77 LIGHTS PROPELLERS SPIIINER -- ISHEDOUP 5BR1775M RACING WDIe LV DARK OfTEN APPEARS BLAt OCOOVAt ASVA*AT UfT ROOVENOP PlACE SKYJURO IVAL EMBLEM DII FIN 01 THREETWELVE TIMES GIVEN SCALE FRAMES ARE CR4 NNELS REAR CLV CF3A Cf Si1 RATlER ELECTRICDR*p PROPELLER ELLER1935 ATNGS CUP 1939 CAPE IL IGMT -SECTION Cf-I- BLACKRRI TANK/COOLER CGAAINTEO OIL 4 r GIPSY 501 SERIES 2V AL 64 Model Aviation 1937 ISLE MAN RACES SPAR PLAM 144SE %6 JAB EDGES RIB P4P1 ItAP RIBS BRIGS OER flAPS ma pgyioo SPAR WEBS NOSE RIBS GUSSETS RING c~F RUDDER MASS BAL.,4 BRAKE CABLEFLEL TANK WING SECT/ONATAIBt 211 frau D 4 THICKNESS vs. MAX CAMBER AT o7 APPRO AILERON HINGE 7ZZZ7 DURAL SHROUD WING SECtION ATRIB II 29kdowV frsi tip aKIRD 34 THICANESS P1367. NAC CAMBER AT 377 LAID OUT WITH TIP CHORD ATa 77lICKPS OI 57 DHEORAL IN PLANE 0 CHORD IS 3j AT 307. 11MB SEC77OIG ARE TWICE GIVEN SCALE EATENDED 05177ON ACTABLE VENTURI A t41l~ VTLINES ARE ~iflAfr RASH-PADS& aVG IN-RETRACTABLE VENTUI DE COCA WITARE BLACK1937 & THEREAFTER WE TRIM CONTROL WI-PEEL DETALS ABOVE ARE THREE TINES GIVEN SCALE OU 7XED BEHIND ICCTANWR XJT OUT IN COWL F- TTT AILERON MASS BALANCE BALA1CE DETALS ARE TWICE GIVEN SCALE STRIPS RIVETED TO 77NBER IWANES 7WILAR INTFRN4L SUPPOA7S SUPIBLIAC NAWGA77ON LIGH7S I7TTED FOR SCHLESINGER RACE ONLV / QELEVATOR TRIM HORN .77E lINES GIVEN SC4LE IIIB7NLIMENTOR PANELCOA9SE TWICE GIVEN SCALE21 BLACK OVERAW NEEDLE MARKINGS IN WIWTTHROTTLE LALTITUDE K SKID PIIIDT POSE COWL ELLER 7 ELEVATIOM PLANS FRONT VIEW Fl-POW VERSION WITH RA77ER ELLER IOR l9 SChLESINGER RACE NVER7rD PLAN WITH ASSCCM7rD HOSE E7ILS SHOwS G-AEXFAS FLOWN WITH FAIRE V-REED flXED -MTEH ROPEL LEA I* 3 4 a*lOft MODEL AVIATION SCALE LLLi PERCIVAL E211 / I~I MEW GULL uary 1981 65 RUDDER HORN flIRING INTERNAL DETAIL APROPG D FUEL TANKS COOLING OIL BAtTLE ii3F-S - -6F-F-BF-p / III THE Mew Gull waits its stark white wings fuselage gleaming clear English sun Minutes go minutes still other airplanes flagged off Around long pylon-marked course rush piling up laps Mew Gull waits Finally after impossibly long time starter faces Mew Gulls pilot raises little green flag snaps smartly down Mew Gull accelerates briskly along neatly clipped grass runway skips couple times eases air begin its chase slower airplanes typical English handicap race latest long wait has ended its throttle familiar position allthe-way-forward sleek wooden airplane its 210-hp deHavilland Gipsy Queen straightsix charges over gentle countryside low air traffic rules common sense will allow time passes Austers Chip munks Cessnas Tiger Moths taken off minutes before Little little makes up time lost slower airplanes got carefully calculated starting advantages As last few laps long American standards pylon course pass beneath its slim tapered wings Mew Gull steadily moves up leader no few hundred yards race left passes alongside storms first place finish line comes view Now down hedge-hopping height Mew Gull its element streaking better 200 mph across aerodrome leaving ordinary airplanes its slipstream Its yet another win Percival Mew Gull G-AEXF Yet another chapter story began 1936 interrupted war some crashes just seems keep going story worlds senior racing airplanes quite possibly senior worlds engine-driven racing machinery what race car boat motorcycle has action 43 years still can win As race-planes go hardly famous Granville brothers GeeBees two famous heaps rubble barely year after first flew Mew Gull same sort screaming speed demon GeeBee its famous rivals yet some 200 hp could manage 250 mph straight level Mew Gull sure meant different kind racing short-course pylon events GeeBees excelled during brief lives Racing Europe 1 930s two kinds long-distance handicap though often combined first events like 1934 Robertson Race England Australia latter form pylon race over long courses great variety types airplanes once continues today differences speed balanced out handicapped starts races 30s ranged several laps 20-mile course round Britain races 1000 miles both types races Mew Gull all-time best British avia tion enthusiast remains airplanes brings forth great waves emotion like Spitfire Mosquito like two classic flying machines outstand ing its special line work among beautiful airplanes air Moreover first appeared Mew Gull faster active RAF fighter close prototype monoplanes would soon make news like Hawker Hurricane six Percival P6 Mew Gulls built firstG-ACNDflew March 22 1934 average 191 mph 800-mi Kings Cup Race less four months later piloted designer Edgar W Percival other race before being written off wrecked October much improved proto type followed also called G-ACND July 1935 won 1000-mi race Deauville France Cannes back average speed 188 mph 180-hp Regnier engine Edgar Percival flew 1935 Kings Cup Race won race London Cardiff Wales 218 mph Only three months after its first race second Mew Gull lost during Michelin Cup Race France its pilot got lost fog over mountains wisely bailed out first production Mew GullG-AEKL Continued page 116 66 Model Aviation Evenj airplane belongs air Despite great historical significance Mew Gull its rarity flown regularly air displays handicap pylon races long sleek nose Mew Gull houses 200-hp 6-cylinder Gipsy engine much like hummed smoothly entire 12000 miles South Africa back 1g39 hours Curing will slow because evaporation restricted entirely dry carefully separate lami nate form inner layer damaged should now have light strong piece has raw edges strips glue squeeze-out occurred Fine sandpaperplaced face-up apiece plate ass makes convenient truing surface care alignment lay-up -in strips will yield finished 7/16-in piece slicing least two identical parts way divide curved stock set up razor saw spacer blocks shown pictures cut individual identical bows laminate procedure much simpler easier practice description makes appear Safe Flying No Accident Mew Gull/Berliner Continued page 66 made its debut 1936 Kings Cup Race placing 4th 206 mph 200-hp Gipsy Six engine continued race great success rachmg its peak 1937 Kings Cup Charles Gardner flew first place 234 mph second 1938 Kings Cup Race went storage along lot other unwarlike craft start Second World War German bombing raid Lympne Aero drome June 1940 speeded end Mew Gull third production airplaneG-AEMO appeared ZS-AHO Baragwanath Schle singer Race England South Africa September 1936 Capt S S Halse flew hard led far Salisbury Rhodesia overturned after hitting ant hill landing airplane badly damaged last reported around 1951 terrible condition Johannesburg South Africa last Mew Gulls G-AFAA raced great speed limited compe titive success form 1937 1939 Its best per formance 1937 Kings Cup Race Edgar Percival placed third 239 mph Shortly after end war burned cinders makers movie needed simulate accident Luton Airport north London brings us second production Percival Mew Gull G-AEXF ZS AHM Golden City also began its career Schlesinger Race September 1936 unlike its less fortunate brothers has simply refused quit Its first race far historic suffered engine damage refueled low-grade gasoline quit Belgrade Yugo slavia sold William Humble soon passed Alex Henshaw shining lights British pre-war air racing hands Henshaw EXF made headlines history 1937 Henshaw raced Mew Gull seven times never averaging less 200 mph though won race 1938 Henshaw Mew rare combination second 200-mile race London Isle Man 248 mph third Manx Air Derby relatively short-course race 239 mph period extensive modifications made Jack Cross aimed upping its speed stretching its range canopy lowered spats wheel pants tightened cowl spinner streamlined aid extended crankshaft variable-pitch pro peller added first really major achievement Henshaw Mew Gull came Hatfield Aerodrome just north London July 2 1938 won Kings Cup Race 2363 mph winning speed has yet topped winning British airplane some later races Mew powered 225-hp Gipsy engine taken famous deHavilland Comet racers Grosvenor House short races really what Mew Gull designed win spacious cockpit good stability handling characteris tics large fuel capacity meant longdistance races record attempts 1939 showed its stuff February 5 Alex Henshaw took off Gravesend along Thames River east London headed south fuel load 104 US gallons range about 2000 miles 205-hp Gipsy engine Fuel stops made Algeria Mali Gabon Angola racer streaked down east coast Africa day after took off England Henshaw landed Mew Gull Wingfield Aerodrome Cape Town South Africa having flown almost 6000 miles 39 hours 25 minutes including stops very next day headed north arriving back Gravesend February 9 after 39-hour 36-minute trip single-engine single-seat airplane flown almost 12000 miles four days major problem record airplane just much home race course has yet broken After race London Isle Man spring 1939 Alex Henshaw became too busy testing Spitfires Vickers forced sell beloved Mew Gull Victor Vermorel took home France time German invasion airplane 116 Model Aviation secretof success Mew Gull anytruly efficientairplane isthe great attention paid streamlining detail work such fairings close control fits dismantled hidden under potato sacks some new Villefranche-sur-Saone through war Germans searched Germans finally chased back belonged Mew Gull recovered surprisingly good condition Vermorel put back together flew briefly before being killed crash another airplane Ownership passed Jean Drapier moved Lyon France 1947 did little else July 1950 found Hugh Scrope executive Vickers talked late Doug Bianchi Englands great airplane builders restorers characters getting back home Bianchi some associates put flying condition whereupon Scrope somehow flew back across channel despite limited flying experience confusion about way propeller pitch lever moved prevented Scrope making trip airplane completely overhauled Bianchis Personal Plane Services short order entered Daily Express Race same summer though its performance cant found records nextyear entered Kings Cup Race combination bad weather government red tape resulted race being cancelled August 195 1 Scrope put Mew Gull ditch Shoreham Airport during practice race did extensive damage wasnt until 1953 Mew Gull re appeared racing twice year no great success sold experienced racepilot Fred Dunkerly proceeded still modificaitons once-classic lines airplane bubble canopy improve visibility Henshaw sacrificed speed Peter Clifford raced once 1954 several times 1955which first full season EXF since 1938 Clifford won two heats Society British Aircraft Constructors SBAC Cup 192 mph 196 mph Baginton Aerodrome near Coventry won 1955 Kings Cup Race 2135 mph 17 years since Alex Henshaw done same since Mew Gull gone through war several accidents modifications paid off despite amazing odds old champion made comeback After sitting Out 1956 season Clifford Mew returned action winning Norton Griffiths Trophy 201 mph placing fourth 1957 Kings Cup Race 216 mph though speed better won Kings Cup two years before couldnt win time because handicappers caught up him forced him wait longer starting line Thats way handicap racing show em fast respond increasing handicap 1958 Peter Clifford flew Mew Gull National Air Races winning Air League Challenge Trophy 203 mph its reputation re-earned airplane vanished competition next seven years until May 1965 seen again placing well down list starters Manx Air Derby About three months later during practice another race Mew Gull ejected connecting rod through side its engine badly damaged forced landing followed passed through several owners during late 1 960s finally being acquired socalled restoration expert sawed off its wings preparation who-knows-what 1969 seen author terrible shape Mew Gull yours truly little pile junk sitting puddle water hangar seemed little chance NORTHERN CALIFORNIAS LARGESTN DISCOUNT HOBBY SHOPI I well FUELyoU increased power engine lifeI Highest quality ingredients Deteroent action cut varnish I II II II II II II II II II II II HOURS Monday thru Wednesday 930-630 Thursday & Friday 930-800I 3m inm Saturday 930-600 Sunday 1200-500J QUICK N EASY4/ PATTERN PLANS Can Cut & Assembled Evening No Measuring NeadadlI TOOLS NEEDED TO BUILD Jig SawTrace DrillCut HammerAssemble DESIGNED TO HOLD Fuel tank s Starter Battery Fuse Hold adjl Tools etc Legs Removable 21 x 12 x 39 -up Flight Box $398 Send SELECT A - PRODUCTS 550 E Lincoln Pomona Calif 91767 NO MORE SORE BACKS OR KNEESIII Rising Star Giant Scale Engines $ 189~ Shipping Paid Pre-paid Orders f i Chrome Moly Crank Rod * Ball Bearings throughout Enqines avail immed del ROUSH MFG PO Box 251 Sandyville OH 44671 866-9462 484-4374 February 1981 117 Kb ritz 1 YEAR WARRANTY WARRANTY OR SERVICE WORK CAN BE DONE BY ROUSH MFO OR BY YOUR NEAREST ECHO-KIORITZ PRODUCTS DEALER * 244 Cu inch disp r 32 horsepower * Weight 65 lb DEALER INQUIRIES WELCOME once-proud craft would ever again look like airplane let alone fly should never underestimate ambi tion blind optimism vintage airplane fan 1972 remaines Mew Gull purchased Formula race-pilot/builder Tom Storey Martin Barraclough long expensive process making something out almost nothing begun hard draw distinct line between restoring wreck ends building entirely new airplane begins project must surely have straddled such line six years worked replacing rotten old wood strong new wood replacing cracked discolored plexiglass clear new panels installing new controls instruments other parts make new Mew Gull look like first raced last April 16 1978 Mew Gull took off Redhill Aerodrome home Tiger Club first time 13 years Percival Mew Gull English skies Two months later Mew Gull performed Old Warden showing off its famous lines thousands appreciative fans zoomed just few feet above grass runway roared through steeply banked pylon turns No longer did lovers old-time racing have use imaginations reading Mew Gulls exploits look listen past become present wasnt jut nostalgia Later season Thruxton Tom Storey climbed roomy cockpit buckled up waited starter swing little green flag race time again Forty-one years after Alex Henshaw first raced EXF Kings Cup Tom Storey did same didnt win could because handicapper good memory amazing speeds airplane clocked Kings Cup Races long ago Mew Gull raced again. will race yet again what Edgar Percival meant words late Doug Bianchi just goes show aeroplane comes good family properly brought up have good chance getting home piece Mew Gull G-AEXF once piece lovely piece sincere thanks priceless research Maurice Marsh Air Racing Specialist Air Britain International Society Aviation Historians Super Voodoo/Jo Continued page 42 control Trim line rake Proper line rake has computed via formula flight-adjusted minimum aircraft speed 90 mph build line rake 120-mph speeds will suffer decreased line tension soon plane lifts off streamer full streamer can slow down Fast Combat plane almost 10 mph build excessive line rake will waste engine efficiency directing power outwards Proper line rake computed 90-mph minimum Combat speed because observa tions five Nationals date varying contest locales observed under average atmospheric conditions top Combat fliers usually turning 90-100 mph Under ideal atmospheric conditions same fliers upped speeds 100-110 mph region Poor atmospheric conditions dropped speeds 80-90 mph range flights full streamer flights accurately timed data little interpolation can see selected 90 mph minimum Combat speed compute line rake Before go next area trim heres tip use find true air speed Combat plane flying absolutely level Step 1 Note angle between lines ground Step 2 Look up cosine angle multiply apparent speed plane get true speed Example clocked plane flying 45 degrees planes apparent speed 100 mph speed charts assume plane remains level during clocking case plane wasnt level its chart speed true speed apparent speed get true speed multiply cosine angle plane flying cosine 45 degrees 707 apparent speed 100 mph l00times 707 equals 707 mph true speed plane flying 25 degrees cosine 25 degrees 906 true air speed would 100 times 906 906 mph cosine values used examples two popular angles Combat pilots cruise planes waiting opponents become airborne cosine values 45- 25-degree angles can rounded off 7 9 respectively easy multiplica tion less 1% error true air speed Memorization two angles values could future use contest field Trim wing offset Because outboard wing travels faster inboard wing lift center Control Line aircraft same its geometric center proper amount wing offset trim needed Super Voodoo precisely calculated found 118 Mode Aviation
Edition: Model Aviation - 1981/02
Page Numbers: 62, 63, 64, 65, 66, 116, 117, 118
NO OCR TEXT NO OCR TEXT -AEiT WAS NEASUD hV FS GRATEfUL 7AASS ARE OLE TO MR Tf STORE WNO ALSO MADE AIdAILABLE RECONSTRUCTION DRAMNGS MR ALEX NENSMAW I0 SCPFLIED DETAILS V8 7CA77ONS LW PERCIVAL SE O-OPERA71ON WAS INDISPENSABLE BLAO PITOT TUBE VARIATIONS E TiNES GIVEN SCALE RATIER TRADE MARK S TINE S GIVEN SCALE 6AN RACES 1937 KINGS WPREE SELECTION RACING M9mDqs SIS NOT COMPLETE APEFL 193 R71GI CIJP RACE VEN77LAT7ON EAG0 LEFT SIDE CAIV LVRANGED IRDII 1935 A7FAVS CLP ESSEX AERD REMOVED AFTER CAPE fLIGHT CI6ACf-SCf-I IT 1/ 7/ BLLE RED WHITE \CAPE ILIGMT OALV / \ I o_L-AEXF Ij YSIXR ROPELLER OMSSNAL CAIV DECKING RETAINED RAI7ER ELLER fITTED UNTIL AFTER MAN RACES WINGSRAN94 3OVERALL LENGTH WING AREASB ft2 STABILIZER -- --74 V WHEEL TiACK5- oWITH Dh LLER-*OU EPATV hC 0936 - fl5Q RA77ERy* PROPELLER SENLESINGER -LOADED 4CDNT3E- S1Ib WITH GIPSYSIX ft- 0939- -9h t93Owl WITH GiPS sIXS DR ELLER LANDING AR SNEWH UNDER NO LOAD IN ALL WEWS FOR 1935 KiNGS OL OLED LEGS STRAPPED UP WIIH MIGN-TENSILE CABLE SITENEO BYAPPROI 3 REAR BLADES IS MATT BLACK ESTIMATED FIGURES QQ81 OVERALL fINISMWHITI ZSAMN REGISTRATION NAMES ON COWIJNG GAOcT REGaTRATIce IBRITISM WI14STAB1LIZER TiPS WNG NUNBER___ WCKPITINTERIOR4M77 LIGHTS PROPELLERS SPIIINER -- ISHEDOUP 5BR1775M RACING WDIe LV DARK OfTEN APPEARS BLAt OCOOVAt ASVA*AT UfT ROOVENOP PlACE SKYJURO IVAL EMBLEM DII FIN 01 THREETWELVE TIMES GIVEN SCALE FRAMES ARE CR4 NNELS REAR CLV CF3A Cf Si1 RATlER ELECTRICDR*p PROPELLER ELLER1935 ATNGS CUP 1939 CAPE IL IGMT -SECTION Cf-I- BLACKRRI TANK/COOLER CGAAINTEO OIL 4 r GIPSY 501 SERIES 2V AL 64 Model Aviation 1937 ISLE MAN RACES SPAR PLAM 144SE %6 JAB EDGES RIB P4P1 ItAP RIBS BRIGS OER flAPS ma pgyioo SPAR WEBS NOSE RIBS GUSSETS RING c~F RUDDER MASS BAL.,4 BRAKE CABLEFLEL TANK WING SECT/ONATAIBt 211 frau D 4 THICKNESS vs. MAX CAMBER AT o7 APPRO AILERON HINGE 7ZZZ7 DURAL SHROUD WING SECtION ATRIB II 29kdowV frsi tip aKIRD 34 THICANESS P1367. NAC CAMBER AT 377 LAID OUT WITH TIP CHORD ATa 77lICKPS OI 57 DHEORAL IN PLANE 0 CHORD IS 3j AT 307. 11MB SEC77OIG ARE TWICE GIVEN SCALE EATENDED 05177ON ACTABLE VENTURI A t41l~ VTLINES ARE ~iflAfr RASH-PADS& aVG IN-RETRACTABLE VENTUI DE COCA WITARE BLACK1937 & THEREAFTER WE TRIM CONTROL WI-PEEL DETALS ABOVE ARE THREE TINES GIVEN SCALE OU 7XED BEHIND ICCTANWR XJT OUT IN COWL F- TTT AILERON MASS BALANCE BALA1CE DETALS ARE TWICE GIVEN SCALE STRIPS RIVETED TO 77NBER IWANES 7WILAR INTFRN4L SUPPOA7S SUPIBLIAC NAWGA77ON LIGH7S I7TTED FOR SCHLESINGER RACE ONLV / QELEVATOR TRIM HORN .77E lINES GIVEN SC4LE IIIB7NLIMENTOR PANELCOA9SE TWICE GIVEN SCALE21 BLACK OVERAW NEEDLE MARKINGS IN WIWTTHROTTLE LALTITUDE K SKID PIIIDT POSE COWL ELLER 7 ELEVATIOM PLANS FRONT VIEW Fl-POW VERSION WITH RA77ER ELLER IOR l9 SChLESINGER RACE NVER7rD PLAN WITH ASSCCM7rD HOSE E7ILS SHOwS G-AEXFAS FLOWN WITH FAIRE V-REED flXED -MTEH ROPEL LEA I* 3 4 a*lOft MODEL AVIATION SCALE LLLi PERCIVAL E211 / I~I MEW GULL uary 1981 65 RUDDER HORN flIRING INTERNAL DETAIL APROPG D FUEL TANKS COOLING OIL BAtTLE ii3F-S - -6F-F-BF-p / III THE Mew Gull waits its stark white wings fuselage gleaming clear English sun Minutes go minutes still other airplanes flagged off Around long pylon-marked course rush piling up laps Mew Gull waits Finally after impossibly long time starter faces Mew Gulls pilot raises little green flag snaps smartly down Mew Gull accelerates briskly along neatly clipped grass runway skips couple times eases air begin its chase slower airplanes typical English handicap race latest long wait has ended its throttle familiar position allthe-way-forward sleek wooden airplane its 210-hp deHavilland Gipsy Queen straightsix charges over gentle countryside low air traffic rules common sense will allow time passes Austers Chip munks Cessnas Tiger Moths taken off minutes before Little little makes up time lost slower airplanes got carefully calculated starting advantages As last few laps long American standards pylon course pass beneath its slim tapered wings Mew Gull steadily moves up leader no few hundred yards race left passes alongside storms first place finish line comes view Now down hedge-hopping height Mew Gull its element streaking better 200 mph across aerodrome leaving ordinary airplanes its slipstream Its yet another win Percival Mew Gull G-AEXF Yet another chapter story began 1936 interrupted war some crashes just seems keep going story worlds senior racing airplanes quite possibly senior worlds engine-driven racing machinery what race car boat motorcycle has action 43 years still can win As race-planes go hardly famous Granville brothers GeeBees two famous heaps rubble barely year after first flew Mew Gull same sort screaming speed demon GeeBee its famous rivals yet some 200 hp could manage 250 mph straight level Mew Gull sure meant different kind racing short-course pylon events GeeBees excelled during brief lives Racing Europe 1 930s two kinds long-distance handicap though often combined first events like 1934 Robertson Race England Australia latter form pylon race over long courses great variety types airplanes once continues today differences speed balanced out handicapped starts races 30s ranged several laps 20-mile course round Britain races 1000 miles both types races Mew Gull all-time best British avia tion enthusiast remains airplanes brings forth great waves emotion like Spitfire Mosquito like two classic flying machines outstand ing its special line work among beautiful airplanes air Moreover first appeared Mew Gull faster active RAF fighter close prototype monoplanes would soon make news like Hawker Hurricane six Percival P6 Mew Gulls built firstG-ACNDflew March 22 1934 average 191 mph 800-mi Kings Cup Race less four months later piloted designer Edgar W Percival other race before being written off wrecked October much improved proto type followed also called G-ACND July 1935 won 1000-mi race Deauville France Cannes back average speed 188 mph 180-hp Regnier engine Edgar Percival flew 1935 Kings Cup Race won race London Cardiff Wales 218 mph Only three months after its first race second Mew Gull lost during Michelin Cup Race France its pilot got lost fog over mountains wisely bailed out first production Mew GullG-AEKL Continued page 116 66 Model Aviation Evenj airplane belongs air Despite great historical significance Mew Gull its rarity flown regularly air displays handicap pylon races long sleek nose Mew Gull houses 200-hp 6-cylinder Gipsy engine much like hummed smoothly entire 12000 miles South Africa back 1g39 hours Curing will slow because evaporation restricted entirely dry carefully separate lami nate form inner layer damaged should now have light strong piece has raw edges strips glue squeeze-out occurred Fine sandpaperplaced face-up apiece plate ass makes convenient truing surface care alignment lay-up -in strips will yield finished 7/16-in piece slicing least two identical parts way divide curved stock set up razor saw spacer blocks shown pictures cut individual identical bows laminate procedure much simpler easier practice description makes appear Safe Flying No Accident Mew Gull/Berliner Continued page 66 made its debut 1936 Kings Cup Race placing 4th 206 mph 200-hp Gipsy Six engine continued race great success rachmg its peak 1937 Kings Cup Charles Gardner flew first place 234 mph second 1938 Kings Cup Race went storage along lot other unwarlike craft start Second World War German bombing raid Lympne Aero drome June 1940 speeded end Mew Gull third production airplaneG-AEMO appeared ZS-AHO Baragwanath Schle singer Race England South Africa September 1936 Capt S S Halse flew hard led far Salisbury Rhodesia overturned after hitting ant hill landing airplane badly damaged last reported around 1951 terrible condition Johannesburg South Africa last Mew Gulls G-AFAA raced great speed limited compe titive success form 1937 1939 Its best per formance 1937 Kings Cup Race Edgar Percival placed third 239 mph Shortly after end war burned cinders makers movie needed simulate accident Luton Airport north London brings us second production Percival Mew Gull G-AEXF ZS AHM Golden City also began its career Schlesinger Race September 1936 unlike its less fortunate brothers has simply refused quit Its first race far historic suffered engine damage refueled low-grade gasoline quit Belgrade Yugo slavia sold William Humble soon passed Alex Henshaw shining lights British pre-war air racing hands Henshaw EXF made headlines history 1937 Henshaw raced Mew Gull seven times never averaging less 200 mph though won race 1938 Henshaw Mew rare combination second 200-mile race London Isle Man 248 mph third Manx Air Derby relatively short-course race 239 mph period extensive modifications made Jack Cross aimed upping its speed stretching its range canopy lowered spats wheel pants tightened cowl spinner streamlined aid extended crankshaft variable-pitch pro peller added first really major achievement Henshaw Mew Gull came Hatfield Aerodrome just north London July 2 1938 won Kings Cup Race 2363 mph winning speed has yet topped winning British airplane some later races Mew powered 225-hp Gipsy engine taken famous deHavilland Comet racers Grosvenor House short races really what Mew Gull designed win spacious cockpit good stability handling characteris tics large fuel capacity meant longdistance races record attempts 1939 showed its stuff February 5 Alex Henshaw took off Gravesend along Thames River east London headed south fuel load 104 US gallons range about 2000 miles 205-hp Gipsy engine Fuel stops made Algeria Mali Gabon Angola racer streaked down east coast Africa day after took off England Henshaw landed Mew Gull Wingfield Aerodrome Cape Town South Africa having flown almost 6000 miles 39 hours 25 minutes including stops very next day headed north arriving back Gravesend February 9 after 39-hour 36-minute trip single-engine single-seat airplane flown almost 12000 miles four days major problem record airplane just much home race course has yet broken After race London Isle Man spring 1939 Alex Henshaw became too busy testing Spitfires Vickers forced sell beloved Mew Gull Victor Vermorel took home France time German invasion airplane 116 Model Aviation secretof success Mew Gull anytruly efficientairplane isthe great attention paid streamlining detail work such fairings close control fits dismantled hidden under potato sacks some new Villefranche-sur-Saone through war Germans searched Germans finally chased back belonged Mew Gull recovered surprisingly good condition Vermorel put back together flew briefly before being killed crash another airplane Ownership passed Jean Drapier moved Lyon France 1947 did little else July 1950 found Hugh Scrope executive Vickers talked late Doug Bianchi Englands great airplane builders restorers characters getting back home Bianchi some associates put flying condition whereupon Scrope somehow flew back across channel despite limited flying experience confusion about way propeller pitch lever moved prevented Scrope making trip airplane completely overhauled Bianchis Personal Plane Services short order entered Daily Express Race same summer though its performance cant found records nextyear entered Kings Cup Race combination bad weather government red tape resulted race being cancelled August 195 1 Scrope put Mew Gull ditch Shoreham Airport during practice race did extensive damage wasnt until 1953 Mew Gull re appeared racing twice year no great success sold experienced racepilot Fred Dunkerly proceeded still modificaitons once-classic lines airplane bubble canopy improve visibility Henshaw sacrificed speed Peter Clifford raced once 1954 several times 1955which first full season EXF since 1938 Clifford won two heats Society British Aircraft Constructors SBAC Cup 192 mph 196 mph Baginton Aerodrome near Coventry won 1955 Kings Cup Race 2135 mph 17 years since Alex Henshaw done same since Mew Gull gone through war several accidents modifications paid off despite amazing odds old champion made comeback After sitting Out 1956 season Clifford Mew returned action winning Norton Griffiths Trophy 201 mph placing fourth 1957 Kings Cup Race 216 mph though speed better won Kings Cup two years before couldnt win time because handicappers caught up him forced him wait longer starting line Thats way handicap racing show em fast respond increasing handicap 1958 Peter Clifford flew Mew Gull National Air Races winning Air League Challenge Trophy 203 mph its reputation re-earned airplane vanished competition next seven years until May 1965 seen again placing well down list starters Manx Air Derby About three months later during practice another race Mew Gull ejected connecting rod through side its engine badly damaged forced landing followed passed through several owners during late 1 960s finally being acquired socalled restoration expert sawed off its wings preparation who-knows-what 1969 seen author terrible shape Mew Gull yours truly little pile junk sitting puddle water hangar seemed little chance NORTHERN CALIFORNIAS LARGESTN DISCOUNT HOBBY SHOPI I well FUELyoU increased power engine lifeI Highest quality ingredients Deteroent action cut varnish I II II II II II II II II II II II HOURS Monday thru Wednesday 930-630 Thursday & Friday 930-800I 3m inm Saturday 930-600 Sunday 1200-500J QUICK N EASY4/ PATTERN PLANS Can Cut & Assembled Evening No Measuring NeadadlI TOOLS NEEDED TO BUILD Jig SawTrace DrillCut HammerAssemble DESIGNED TO HOLD Fuel tank s Starter Battery Fuse Hold adjl Tools etc Legs Removable 21 x 12 x 39 -up Flight Box $398 Send SELECT A - PRODUCTS 550 E Lincoln Pomona Calif 91767 NO MORE SORE BACKS OR KNEESIII Rising Star Giant Scale Engines $ 189~ Shipping Paid Pre-paid Orders f i Chrome Moly Crank Rod * Ball Bearings throughout Enqines avail immed del ROUSH MFG PO Box 251 Sandyville OH 44671 866-9462 484-4374 February 1981 117 Kb ritz 1 YEAR WARRANTY WARRANTY OR SERVICE WORK CAN BE DONE BY ROUSH MFO OR BY YOUR NEAREST ECHO-KIORITZ PRODUCTS DEALER * 244 Cu inch disp r 32 horsepower * Weight 65 lb DEALER INQUIRIES WELCOME once-proud craft would ever again look like airplane let alone fly should never underestimate ambi tion blind optimism vintage airplane fan 1972 remaines Mew Gull purchased Formula race-pilot/builder Tom Storey Martin Barraclough long expensive process making something out almost nothing begun hard draw distinct line between restoring wreck ends building entirely new airplane begins project must surely have straddled such line six years worked replacing rotten old wood strong new wood replacing cracked discolored plexiglass clear new panels installing new controls instruments other parts make new Mew Gull look like first raced last April 16 1978 Mew Gull took off Redhill Aerodrome home Tiger Club first time 13 years Percival Mew Gull English skies Two months later Mew Gull performed Old Warden showing off its famous lines thousands appreciative fans zoomed just few feet above grass runway roared through steeply banked pylon turns No longer did lovers old-time racing have use imaginations reading Mew Gulls exploits look listen past become present wasnt jut nostalgia Later season Thruxton Tom Storey climbed roomy cockpit buckled up waited starter swing little green flag race time again Forty-one years after Alex Henshaw first raced EXF Kings Cup Tom Storey did same didnt win could because handicapper good memory amazing speeds airplane clocked Kings Cup Races long ago Mew Gull raced again. will race yet again what Edgar Percival meant words late Doug Bianchi just goes show aeroplane comes good family properly brought up have good chance getting home piece Mew Gull G-AEXF once piece lovely piece sincere thanks priceless research Maurice Marsh Air Racing Specialist Air Britain International Society Aviation Historians Super Voodoo/Jo Continued page 42 control Trim line rake Proper line rake has computed via formula flight-adjusted minimum aircraft speed 90 mph build line rake 120-mph speeds will suffer decreased line tension soon plane lifts off streamer full streamer can slow down Fast Combat plane almost 10 mph build excessive line rake will waste engine efficiency directing power outwards Proper line rake computed 90-mph minimum Combat speed because observa tions five Nationals date varying contest locales observed under average atmospheric conditions top Combat fliers usually turning 90-100 mph Under ideal atmospheric conditions same fliers upped speeds 100-110 mph region Poor atmospheric conditions dropped speeds 80-90 mph range flights full streamer flights accurately timed data little interpolation can see selected 90 mph minimum Combat speed compute line rake Before go next area trim heres tip use find true air speed Combat plane flying absolutely level Step 1 Note angle between lines ground Step 2 Look up cosine angle multiply apparent speed plane get true speed Example clocked plane flying 45 degrees planes apparent speed 100 mph speed charts assume plane remains level during clocking case plane wasnt level its chart speed true speed apparent speed get true speed multiply cosine angle plane flying cosine 45 degrees 707 apparent speed 100 mph l00times 707 equals 707 mph true speed plane flying 25 degrees cosine 25 degrees 906 true air speed would 100 times 906 906 mph cosine values used examples two popular angles Combat pilots cruise planes waiting opponents become airborne cosine values 45- 25-degree angles can rounded off 7 9 respectively easy multiplica tion less 1% error true air speed Memorization two angles values could future use contest field Trim wing offset Because outboard wing travels faster inboard wing lift center Control Line aircraft same its geometric center proper amount wing offset trim needed Super Voodoo precisely calculated found 118 Mode Aviation
Edition: Model Aviation - 1981/02
Page Numbers: 62, 63, 64, 65, 66, 116, 117, 118
NO OCR TEXT NO OCR TEXT -AEiT WAS NEASUD hV FS GRATEfUL 7AASS ARE OLE TO MR Tf STORE WNO ALSO MADE AIdAILABLE RECONSTRUCTION DRAMNGS MR ALEX NENSMAW I0 SCPFLIED DETAILS V8 7CA77ONS LW PERCIVAL SE O-OPERA71ON WAS INDISPENSABLE BLAO PITOT TUBE VARIATIONS E TiNES GIVEN SCALE RATIER TRADE MARK S TINE S GIVEN SCALE 6AN RACES 1937 KINGS WPREE SELECTION RACING M9mDqs SIS NOT COMPLETE APEFL 193 R71GI CIJP RACE VEN77LAT7ON EAG0 LEFT SIDE CAIV LVRANGED IRDII 1935 A7FAVS CLP ESSEX AERD REMOVED AFTER CAPE fLIGHT CI6ACf-SCf-I IT 1/ 7/ BLLE RED WHITE \CAPE ILIGMT OALV / \ I o_L-AEXF Ij YSIXR ROPELLER OMSSNAL CAIV DECKING RETAINED RAI7ER ELLER fITTED UNTIL AFTER MAN RACES WINGSRAN94 3OVERALL LENGTH WING AREASB ft2 STABILIZER -- --74 V WHEEL TiACK5- oWITH Dh LLER-*OU EPATV hC 0936 - fl5Q RA77ERy* PROPELLER SENLESINGER -LOADED 4CDNT3E- S1Ib WITH GIPSYSIX ft- 0939- -9h t93Owl WITH GiPS sIXS DR ELLER LANDING AR SNEWH UNDER NO LOAD IN ALL WEWS FOR 1935 KiNGS OL OLED LEGS STRAPPED UP WIIH MIGN-TENSILE CABLE SITENEO BYAPPROI 3 REAR BLADES IS MATT BLACK ESTIMATED FIGURES QQ81 OVERALL fINISMWHITI ZSAMN REGISTRATION NAMES ON COWIJNG GAOcT REGaTRATIce IBRITISM WI14STAB1LIZER TiPS WNG NUNBER___ WCKPITINTERIOR4M77 LIGHTS PROPELLERS SPIIINER -- ISHEDOUP 5BR1775M RACING WDIe LV DARK OfTEN APPEARS BLAt OCOOVAt ASVA*AT UfT ROOVENOP PlACE SKYJURO IVAL EMBLEM DII FIN 01 THREETWELVE TIMES GIVEN SCALE FRAMES ARE CR4 NNELS REAR CLV CF3A Cf Si1 RATlER ELECTRICDR*p PROPELLER ELLER1935 ATNGS CUP 1939 CAPE IL IGMT -SECTION Cf-I- BLACKRRI TANK/COOLER CGAAINTEO OIL 4 r GIPSY 501 SERIES 2V AL 64 Model Aviation 1937 ISLE MAN RACES SPAR PLAM 144SE %6 JAB EDGES RIB P4P1 ItAP RIBS BRIGS OER flAPS ma pgyioo SPAR WEBS NOSE RIBS GUSSETS RING c~F RUDDER MASS BAL.,4 BRAKE CABLEFLEL TANK WING SECT/ONATAIBt 211 frau D 4 THICKNESS vs. MAX CAMBER AT o7 APPRO AILERON HINGE 7ZZZ7 DURAL SHROUD WING SECtION ATRIB II 29kdowV frsi tip aKIRD 34 THICANESS P1367. NAC CAMBER AT 377 LAID OUT WITH TIP CHORD ATa 77lICKPS OI 57 DHEORAL IN PLANE 0 CHORD IS 3j AT 307. 11MB SEC77OIG ARE TWICE GIVEN SCALE EATENDED 05177ON ACTABLE VENTURI A t41l~ VTLINES ARE ~iflAfr RASH-PADS& aVG IN-RETRACTABLE VENTUI DE COCA WITARE BLACK1937 & THEREAFTER WE TRIM CONTROL WI-PEEL DETALS ABOVE ARE THREE TINES GIVEN SCALE OU 7XED BEHIND ICCTANWR XJT OUT IN COWL F- TTT AILERON MASS BALANCE BALA1CE DETALS ARE TWICE GIVEN SCALE STRIPS RIVETED TO 77NBER IWANES 7WILAR INTFRN4L SUPPOA7S SUPIBLIAC NAWGA77ON LIGH7S I7TTED FOR SCHLESINGER RACE ONLV / QELEVATOR TRIM HORN .77E lINES GIVEN SC4LE IIIB7NLIMENTOR PANELCOA9SE TWICE GIVEN SCALE21 BLACK OVERAW NEEDLE MARKINGS IN WIWTTHROTTLE LALTITUDE K SKID PIIIDT POSE COWL ELLER 7 ELEVATIOM PLANS FRONT VIEW Fl-POW VERSION WITH RA77ER ELLER IOR l9 SChLESINGER RACE NVER7rD PLAN WITH ASSCCM7rD HOSE E7ILS SHOwS G-AEXFAS FLOWN WITH FAIRE V-REED flXED -MTEH ROPEL LEA I* 3 4 a*lOft MODEL AVIATION SCALE LLLi PERCIVAL E211 / I~I MEW GULL uary 1981 65 RUDDER HORN flIRING INTERNAL DETAIL APROPG D FUEL TANKS COOLING OIL BAtTLE ii3F-S - -6F-F-BF-p / III THE Mew Gull waits its stark white wings fuselage gleaming clear English sun Minutes go minutes still other airplanes flagged off Around long pylon-marked course rush piling up laps Mew Gull waits Finally after impossibly long time starter faces Mew Gulls pilot raises little green flag snaps smartly down Mew Gull accelerates briskly along neatly clipped grass runway skips couple times eases air begin its chase slower airplanes typical English handicap race latest long wait has ended its throttle familiar position allthe-way-forward sleek wooden airplane its 210-hp deHavilland Gipsy Queen straightsix charges over gentle countryside low air traffic rules common sense will allow time passes Austers Chip munks Cessnas Tiger Moths taken off minutes before Little little makes up time lost slower airplanes got carefully calculated starting advantages As last few laps long American standards pylon course pass beneath its slim tapered wings Mew Gull steadily moves up leader no few hundred yards race left passes alongside storms first place finish line comes view Now down hedge-hopping height Mew Gull its element streaking better 200 mph across aerodrome leaving ordinary airplanes its slipstream Its yet another win Percival Mew Gull G-AEXF Yet another chapter story began 1936 interrupted war some crashes just seems keep going story worlds senior racing airplanes quite possibly senior worlds engine-driven racing machinery what race car boat motorcycle has action 43 years still can win As race-planes go hardly famous Granville brothers GeeBees two famous heaps rubble barely year after first flew Mew Gull same sort screaming speed demon GeeBee its famous rivals yet some 200 hp could manage 250 mph straight level Mew Gull sure meant different kind racing short-course pylon events GeeBees excelled during brief lives Racing Europe 1 930s two kinds long-distance handicap though often combined first events like 1934 Robertson Race England Australia latter form pylon race over long courses great variety types airplanes once continues today differences speed balanced out handicapped starts races 30s ranged several laps 20-mile course round Britain races 1000 miles both types races Mew Gull all-time best British avia tion enthusiast remains airplanes brings forth great waves emotion like Spitfire Mosquito like two classic flying machines outstand ing its special line work among beautiful airplanes air Moreover first appeared Mew Gull faster active RAF fighter close prototype monoplanes would soon make news like Hawker Hurricane six Percival P6 Mew Gulls built firstG-ACNDflew March 22 1934 average 191 mph 800-mi Kings Cup Race less four months later piloted designer Edgar W Percival other race before being written off wrecked October much improved proto type followed also called G-ACND July 1935 won 1000-mi race Deauville France Cannes back average speed 188 mph 180-hp Regnier engine Edgar Percival flew 1935 Kings Cup Race won race London Cardiff Wales 218 mph Only three months after its first race second Mew Gull lost during Michelin Cup Race France its pilot got lost fog over mountains wisely bailed out first production Mew GullG-AEKL Continued page 116 66 Model Aviation Evenj airplane belongs air Despite great historical significance Mew Gull its rarity flown regularly air displays handicap pylon races long sleek nose Mew Gull houses 200-hp 6-cylinder Gipsy engine much like hummed smoothly entire 12000 miles South Africa back 1g39 hours Curing will slow because evaporation restricted entirely dry carefully separate lami nate form inner layer damaged should now have light strong piece has raw edges strips glue squeeze-out occurred Fine sandpaperplaced face-up apiece plate ass makes convenient truing surface care alignment lay-up -in strips will yield finished 7/16-in piece slicing least two identical parts way divide curved stock set up razor saw spacer blocks shown pictures cut individual identical bows laminate procedure much simpler easier practice description makes appear Safe Flying No Accident Mew Gull/Berliner Continued page 66 made its debut 1936 Kings Cup Race placing 4th 206 mph 200-hp Gipsy Six engine continued race great success rachmg its peak 1937 Kings Cup Charles Gardner flew first place 234 mph second 1938 Kings Cup Race went storage along lot other unwarlike craft start Second World War German bombing raid Lympne Aero drome June 1940 speeded end Mew Gull third production airplaneG-AEMO appeared ZS-AHO Baragwanath Schle singer Race England South Africa September 1936 Capt S S Halse flew hard led far Salisbury Rhodesia overturned after hitting ant hill landing airplane badly damaged last reported around 1951 terrible condition Johannesburg South Africa last Mew Gulls G-AFAA raced great speed limited compe titive success form 1937 1939 Its best per formance 1937 Kings Cup Race Edgar Percival placed third 239 mph Shortly after end war burned cinders makers movie needed simulate accident Luton Airport north London brings us second production Percival Mew Gull G-AEXF ZS AHM Golden City also began its career Schlesinger Race September 1936 unlike its less fortunate brothers has simply refused quit Its first race far historic suffered engine damage refueled low-grade gasoline quit Belgrade Yugo slavia sold William Humble soon passed Alex Henshaw shining lights British pre-war air racing hands Henshaw EXF made headlines history 1937 Henshaw raced Mew Gull seven times never averaging less 200 mph though won race 1938 Henshaw Mew rare combination second 200-mile race London Isle Man 248 mph third Manx Air Derby relatively short-course race 239 mph period extensive modifications made Jack Cross aimed upping its speed stretching its range canopy lowered spats wheel pants tightened cowl spinner streamlined aid extended crankshaft variable-pitch pro peller added first really major achievement Henshaw Mew Gull came Hatfield Aerodrome just north London July 2 1938 won Kings Cup Race 2363 mph winning speed has yet topped winning British airplane some later races Mew powered 225-hp Gipsy engine taken famous deHavilland Comet racers Grosvenor House short races really what Mew Gull designed win spacious cockpit good stability handling characteris tics large fuel capacity meant longdistance races record attempts 1939 showed its stuff February 5 Alex Henshaw took off Gravesend along Thames River east London headed south fuel load 104 US gallons range about 2000 miles 205-hp Gipsy engine Fuel stops made Algeria Mali Gabon Angola racer streaked down east coast Africa day after took off England Henshaw landed Mew Gull Wingfield Aerodrome Cape Town South Africa having flown almost 6000 miles 39 hours 25 minutes including stops very next day headed north arriving back Gravesend February 9 after 39-hour 36-minute trip single-engine single-seat airplane flown almost 12000 miles four days major problem record airplane just much home race course has yet broken After race London Isle Man spring 1939 Alex Henshaw became too busy testing Spitfires Vickers forced sell beloved Mew Gull Victor Vermorel took home France time German invasion airplane 116 Model Aviation secretof success Mew Gull anytruly efficientairplane isthe great attention paid streamlining detail work such fairings close control fits dismantled hidden under potato sacks some new Villefranche-sur-Saone through war Germans searched Germans finally chased back belonged Mew Gull recovered surprisingly good condition Vermorel put back together flew briefly before being killed crash another airplane Ownership passed Jean Drapier moved Lyon France 1947 did little else July 1950 found Hugh Scrope executive Vickers talked late Doug Bianchi Englands great airplane builders restorers characters getting back home Bianchi some associates put flying condition whereupon Scrope somehow flew back across channel despite limited flying experience confusion about way propeller pitch lever moved prevented Scrope making trip airplane completely overhauled Bianchis Personal Plane Services short order entered Daily Express Race same summer though its performance cant found records nextyear entered Kings Cup Race combination bad weather government red tape resulted race being cancelled August 195 1 Scrope put Mew Gull ditch Shoreham Airport during practice race did extensive damage wasnt until 1953 Mew Gull re appeared racing twice year no great success sold experienced racepilot Fred Dunkerly proceeded still modificaitons once-classic lines airplane bubble canopy improve visibility Henshaw sacrificed speed Peter Clifford raced once 1954 several times 1955which first full season EXF since 1938 Clifford won two heats Society British Aircraft Constructors SBAC Cup 192 mph 196 mph Baginton Aerodrome near Coventry won 1955 Kings Cup Race 2135 mph 17 years since Alex Henshaw done same since Mew Gull gone through war several accidents modifications paid off despite amazing odds old champion made comeback After sitting Out 1956 season Clifford Mew returned action winning Norton Griffiths Trophy 201 mph placing fourth 1957 Kings Cup Race 216 mph though speed better won Kings Cup two years before couldnt win time because handicappers caught up him forced him wait longer starting line Thats way handicap racing show em fast respond increasing handicap 1958 Peter Clifford flew Mew Gull National Air Races winning Air League Challenge Trophy 203 mph its reputation re-earned airplane vanished competition next seven years until May 1965 seen again placing well down list starters Manx Air Derby About three months later during practice another race Mew Gull ejected connecting rod through side its engine badly damaged forced landing followed passed through several owners during late 1 960s finally being acquired socalled restoration expert sawed off its wings preparation who-knows-what 1969 seen author terrible shape Mew Gull yours truly little pile junk sitting puddle water hangar seemed little chance NORTHERN CALIFORNIAS LARGESTN DISCOUNT HOBBY SHOPI I well FUELyoU increased power engine lifeI Highest quality ingredients Deteroent action cut varnish I II II II II II II II II II II II HOURS Monday thru Wednesday 930-630 Thursday & Friday 930-800I 3m inm Saturday 930-600 Sunday 1200-500J QUICK N EASY4/ PATTERN PLANS Can Cut & Assembled Evening No Measuring NeadadlI TOOLS NEEDED TO BUILD Jig SawTrace DrillCut HammerAssemble DESIGNED TO HOLD Fuel tank s Starter Battery Fuse Hold adjl Tools etc Legs Removable 21 x 12 x 39 -up Flight Box $398 Send SELECT A - PRODUCTS 550 E Lincoln Pomona Calif 91767 NO MORE SORE BACKS OR KNEESIII Rising Star Giant Scale Engines $ 189~ Shipping Paid Pre-paid Orders f i Chrome Moly Crank Rod * Ball Bearings throughout Enqines avail immed del ROUSH MFG PO Box 251 Sandyville OH 44671 866-9462 484-4374 February 1981 117 Kb ritz 1 YEAR WARRANTY WARRANTY OR SERVICE WORK CAN BE DONE BY ROUSH MFO OR BY YOUR NEAREST ECHO-KIORITZ PRODUCTS DEALER * 244 Cu inch disp r 32 horsepower * Weight 65 lb DEALER INQUIRIES WELCOME once-proud craft would ever again look like airplane let alone fly should never underestimate ambi tion blind optimism vintage airplane fan 1972 remaines Mew Gull purchased Formula race-pilot/builder Tom Storey Martin Barraclough long expensive process making something out almost nothing begun hard draw distinct line between restoring wreck ends building entirely new airplane begins project must surely have straddled such line six years worked replacing rotten old wood strong new wood replacing cracked discolored plexiglass clear new panels installing new controls instruments other parts make new Mew Gull look like first raced last April 16 1978 Mew Gull took off Redhill Aerodrome home Tiger Club first time 13 years Percival Mew Gull English skies Two months later Mew Gull performed Old Warden showing off its famous lines thousands appreciative fans zoomed just few feet above grass runway roared through steeply banked pylon turns No longer did lovers old-time racing have use imaginations reading Mew Gulls exploits look listen past become present wasnt jut nostalgia Later season Thruxton Tom Storey climbed roomy cockpit buckled up waited starter swing little green flag race time again Forty-one years after Alex Henshaw first raced EXF Kings Cup Tom Storey did same didnt win could because handicapper good memory amazing speeds airplane clocked Kings Cup Races long ago Mew Gull raced again. will race yet again what Edgar Percival meant words late Doug Bianchi just goes show aeroplane comes good family properly brought up have good chance getting home piece Mew Gull G-AEXF once piece lovely piece sincere thanks priceless research Maurice Marsh Air Racing Specialist Air Britain International Society Aviation Historians Super Voodoo/Jo Continued page 42 control Trim line rake Proper line rake has computed via formula flight-adjusted minimum aircraft speed 90 mph build line rake 120-mph speeds will suffer decreased line tension soon plane lifts off streamer full streamer can slow down Fast Combat plane almost 10 mph build excessive line rake will waste engine efficiency directing power outwards Proper line rake computed 90-mph minimum Combat speed because observa tions five Nationals date varying contest locales observed under average atmospheric conditions top Combat fliers usually turning 90-100 mph Under ideal atmospheric conditions same fliers upped speeds 100-110 mph region Poor atmospheric conditions dropped speeds 80-90 mph range flights full streamer flights accurately timed data little interpolation can see selected 90 mph minimum Combat speed compute line rake Before go next area trim heres tip use find true air speed Combat plane flying absolutely level Step 1 Note angle between lines ground Step 2 Look up cosine angle multiply apparent speed plane get true speed Example clocked plane flying 45 degrees planes apparent speed 100 mph speed charts assume plane remains level during clocking case plane wasnt level its chart speed true speed apparent speed get true speed multiply cosine angle plane flying cosine 45 degrees 707 apparent speed 100 mph l00times 707 equals 707 mph true speed plane flying 25 degrees cosine 25 degrees 906 true air speed would 100 times 906 906 mph cosine values used examples two popular angles Combat pilots cruise planes waiting opponents become airborne cosine values 45- 25-degree angles can rounded off 7 9 respectively easy multiplica tion less 1% error true air speed Memorization two angles values could future use contest field Trim wing offset Because outboard wing travels faster inboard wing lift center Control Line aircraft same its geometric center proper amount wing offset trim needed Super Voodoo precisely calculated found 118 Mode Aviation
Edition: Model Aviation - 1981/02
Page Numbers: 62, 63, 64, 65, 66, 116, 117, 118
NO OCR TEXT NO OCR TEXT -AEiT WAS NEASUD hV FS GRATEfUL 7AASS ARE OLE TO MR Tf STORE WNO ALSO MADE AIdAILABLE RECONSTRUCTION DRAMNGS MR ALEX NENSMAW I0 SCPFLIED DETAILS V8 7CA77ONS LW PERCIVAL SE O-OPERA71ON WAS INDISPENSABLE BLAO PITOT TUBE VARIATIONS E TiNES GIVEN SCALE RATIER TRADE MARK S TINE S GIVEN SCALE 6AN RACES 1937 KINGS WPREE SELECTION RACING M9mDqs SIS NOT COMPLETE APEFL 193 R71GI CIJP RACE VEN77LAT7ON EAG0 LEFT SIDE CAIV LVRANGED IRDII 1935 A7FAVS CLP ESSEX AERD REMOVED AFTER CAPE fLIGHT CI6ACf-SCf-I IT 1/ 7/ BLLE RED WHITE \CAPE ILIGMT OALV / \ I o_L-AEXF Ij YSIXR ROPELLER OMSSNAL CAIV DECKING RETAINED RAI7ER ELLER fITTED UNTIL AFTER MAN RACES WINGSRAN94 3OVERALL LENGTH WING AREASB ft2 STABILIZER -- --74 V WHEEL TiACK5- oWITH Dh LLER-*OU EPATV hC 0936 - fl5Q RA77ERy* PROPELLER SENLESINGER -LOADED 4CDNT3E- S1Ib WITH GIPSYSIX ft- 0939- -9h t93Owl WITH GiPS sIXS DR ELLER LANDING AR SNEWH UNDER NO LOAD IN ALL WEWS FOR 1935 KiNGS OL OLED LEGS STRAPPED UP WIIH MIGN-TENSILE CABLE SITENEO BYAPPROI 3 REAR BLADES IS MATT BLACK ESTIMATED FIGURES QQ81 OVERALL fINISMWHITI ZSAMN REGISTRATION NAMES ON COWIJNG GAOcT REGaTRATIce IBRITISM WI14STAB1LIZER TiPS WNG NUNBER___ WCKPITINTERIOR4M77 LIGHTS PROPELLERS SPIIINER -- ISHEDOUP 5BR1775M RACING WDIe LV DARK OfTEN APPEARS BLAt OCOOVAt ASVA*AT UfT ROOVENOP PlACE SKYJURO IVAL EMBLEM DII FIN 01 THREETWELVE TIMES GIVEN SCALE FRAMES ARE CR4 NNELS REAR CLV CF3A Cf Si1 RATlER ELECTRICDR*p PROPELLER ELLER1935 ATNGS CUP 1939 CAPE IL IGMT -SECTION Cf-I- BLACKRRI TANK/COOLER CGAAINTEO OIL 4 r GIPSY 501 SERIES 2V AL 64 Model Aviation 1937 ISLE MAN RACES SPAR PLAM 144SE %6 JAB EDGES RIB P4P1 ItAP RIBS BRIGS OER flAPS ma pgyioo SPAR WEBS NOSE RIBS GUSSETS RING c~F RUDDER MASS BAL.,4 BRAKE CABLEFLEL TANK WING SECT/ONATAIBt 211 frau D 4 THICKNESS vs. MAX CAMBER AT o7 APPRO AILERON HINGE 7ZZZ7 DURAL SHROUD WING SECtION ATRIB II 29kdowV frsi tip aKIRD 34 THICANESS P1367. NAC CAMBER AT 377 LAID OUT WITH TIP CHORD ATa 77lICKPS OI 57 DHEORAL IN PLANE 0 CHORD IS 3j AT 307. 11MB SEC77OIG ARE TWICE GIVEN SCALE EATENDED 05177ON ACTABLE VENTURI A t41l~ VTLINES ARE ~iflAfr RASH-PADS& aVG IN-RETRACTABLE VENTUI DE COCA WITARE BLACK1937 & THEREAFTER WE TRIM CONTROL WI-PEEL DETALS ABOVE ARE THREE TINES GIVEN SCALE OU 7XED BEHIND ICCTANWR XJT OUT IN COWL F- TTT AILERON MASS BALANCE BALA1CE DETALS ARE TWICE GIVEN SCALE STRIPS RIVETED TO 77NBER IWANES 7WILAR INTFRN4L SUPPOA7S SUPIBLIAC NAWGA77ON LIGH7S I7TTED FOR SCHLESINGER RACE ONLV / QELEVATOR TRIM HORN .77E lINES GIVEN SC4LE IIIB7NLIMENTOR PANELCOA9SE TWICE GIVEN SCALE21 BLACK OVERAW NEEDLE MARKINGS IN WIWTTHROTTLE LALTITUDE K SKID PIIIDT POSE COWL ELLER 7 ELEVATIOM PLANS FRONT VIEW Fl-POW VERSION WITH RA77ER ELLER IOR l9 SChLESINGER RACE NVER7rD PLAN WITH ASSCCM7rD HOSE E7ILS SHOwS G-AEXFAS FLOWN WITH FAIRE V-REED flXED -MTEH ROPEL LEA I* 3 4 a*lOft MODEL AVIATION SCALE LLLi PERCIVAL E211 / I~I MEW GULL uary 1981 65 RUDDER HORN flIRING INTERNAL DETAIL APROPG D FUEL TANKS COOLING OIL BAtTLE ii3F-S - -6F-F-BF-p / III THE Mew Gull waits its stark white wings fuselage gleaming clear English sun Minutes go minutes still other airplanes flagged off Around long pylon-marked course rush piling up laps Mew Gull waits Finally after impossibly long time starter faces Mew Gulls pilot raises little green flag snaps smartly down Mew Gull accelerates briskly along neatly clipped grass runway skips couple times eases air begin its chase slower airplanes typical English handicap race latest long wait has ended its throttle familiar position allthe-way-forward sleek wooden airplane its 210-hp deHavilland Gipsy Queen straightsix charges over gentle countryside low air traffic rules common sense will allow time passes Austers Chip munks Cessnas Tiger Moths taken off minutes before Little little makes up time lost slower airplanes got carefully calculated starting advantages As last few laps long American standards pylon course pass beneath its slim tapered wings Mew Gull steadily moves up leader no few hundred yards race left passes alongside storms first place finish line comes view Now down hedge-hopping height Mew Gull its element streaking better 200 mph across aerodrome leaving ordinary airplanes its slipstream Its yet another win Percival Mew Gull G-AEXF Yet another chapter story began 1936 interrupted war some crashes just seems keep going story worlds senior racing airplanes quite possibly senior worlds engine-driven racing machinery what race car boat motorcycle has action 43 years still can win As race-planes go hardly famous Granville brothers GeeBees two famous heaps rubble barely year after first flew Mew Gull same sort screaming speed demon GeeBee its famous rivals yet some 200 hp could manage 250 mph straight level Mew Gull sure meant different kind racing short-course pylon events GeeBees excelled during brief lives Racing Europe 1 930s two kinds long-distance handicap though often combined first events like 1934 Robertson Race England Australia latter form pylon race over long courses great variety types airplanes once continues today differences speed balanced out handicapped starts races 30s ranged several laps 20-mile course round Britain races 1000 miles both types races Mew Gull all-time best British avia tion enthusiast remains airplanes brings forth great waves emotion like Spitfire Mosquito like two classic flying machines outstand ing its special line work among beautiful airplanes air Moreover first appeared Mew Gull faster active RAF fighter close prototype monoplanes would soon make news like Hawker Hurricane six Percival P6 Mew Gulls built firstG-ACNDflew March 22 1934 average 191 mph 800-mi Kings Cup Race less four months later piloted designer Edgar W Percival other race before being written off wrecked October much improved proto type followed also called G-ACND July 1935 won 1000-mi race Deauville France Cannes back average speed 188 mph 180-hp Regnier engine Edgar Percival flew 1935 Kings Cup Race won race London Cardiff Wales 218 mph Only three months after its first race second Mew Gull lost during Michelin Cup Race France its pilot got lost fog over mountains wisely bailed out first production Mew GullG-AEKL Continued page 116 66 Model Aviation Evenj airplane belongs air Despite great historical significance Mew Gull its rarity flown regularly air displays handicap pylon races long sleek nose Mew Gull houses 200-hp 6-cylinder Gipsy engine much like hummed smoothly entire 12000 miles South Africa back 1g39 hours Curing will slow because evaporation restricted entirely dry carefully separate lami nate form inner layer damaged should now have light strong piece has raw edges strips glue squeeze-out occurred Fine sandpaperplaced face-up apiece plate ass makes convenient truing surface care alignment lay-up -in strips will yield finished 7/16-in piece slicing least two identical parts way divide curved stock set up razor saw spacer blocks shown pictures cut individual identical bows laminate procedure much simpler easier practice description makes appear Safe Flying No Accident Mew Gull/Berliner Continued page 66 made its debut 1936 Kings Cup Race placing 4th 206 mph 200-hp Gipsy Six engine continued race great success rachmg its peak 1937 Kings Cup Charles Gardner flew first place 234 mph second 1938 Kings Cup Race went storage along lot other unwarlike craft start Second World War German bombing raid Lympne Aero drome June 1940 speeded end Mew Gull third production airplaneG-AEMO appeared ZS-AHO Baragwanath Schle singer Race England South Africa September 1936 Capt S S Halse flew hard led far Salisbury Rhodesia overturned after hitting ant hill landing airplane badly damaged last reported around 1951 terrible condition Johannesburg South Africa last Mew Gulls G-AFAA raced great speed limited compe titive success form 1937 1939 Its best per formance 1937 Kings Cup Race Edgar Percival placed third 239 mph Shortly after end war burned cinders makers movie needed simulate accident Luton Airport north London brings us second production Percival Mew Gull G-AEXF ZS AHM Golden City also began its career Schlesinger Race September 1936 unlike its less fortunate brothers has simply refused quit Its first race far historic suffered engine damage refueled low-grade gasoline quit Belgrade Yugo slavia sold William Humble soon passed Alex Henshaw shining lights British pre-war air racing hands Henshaw EXF made headlines history 1937 Henshaw raced Mew Gull seven times never averaging less 200 mph though won race 1938 Henshaw Mew rare combination second 200-mile race London Isle Man 248 mph third Manx Air Derby relatively short-course race 239 mph period extensive modifications made Jack Cross aimed upping its speed stretching its range canopy lowered spats wheel pants tightened cowl spinner streamlined aid extended crankshaft variable-pitch pro peller added first really major achievement Henshaw Mew Gull came Hatfield Aerodrome just north London July 2 1938 won Kings Cup Race 2363 mph winning speed has yet topped winning British airplane some later races Mew powered 225-hp Gipsy engine taken famous deHavilland Comet racers Grosvenor House short races really what Mew Gull designed win spacious cockpit good stability handling characteris tics large fuel capacity meant longdistance races record attempts 1939 showed its stuff February 5 Alex Henshaw took off Gravesend along Thames River east London headed south fuel load 104 US gallons range about 2000 miles 205-hp Gipsy engine Fuel stops made Algeria Mali Gabon Angola racer streaked down east coast Africa day after took off England Henshaw landed Mew Gull Wingfield Aerodrome Cape Town South Africa having flown almost 6000 miles 39 hours 25 minutes including stops very next day headed north arriving back Gravesend February 9 after 39-hour 36-minute trip single-engine single-seat airplane flown almost 12000 miles four days major problem record airplane just much home race course has yet broken After race London Isle Man spring 1939 Alex Henshaw became too busy testing Spitfires Vickers forced sell beloved Mew Gull Victor Vermorel took home France time German invasion airplane 116 Model Aviation secretof success Mew Gull anytruly efficientairplane isthe great attention paid streamlining detail work such fairings close control fits dismantled hidden under potato sacks some new Villefranche-sur-Saone through war Germans searched Germans finally chased back belonged Mew Gull recovered surprisingly good condition Vermorel put back together flew briefly before being killed crash another airplane Ownership passed Jean Drapier moved Lyon France 1947 did little else July 1950 found Hugh Scrope executive Vickers talked late Doug Bianchi Englands great airplane builders restorers characters getting back home Bianchi some associates put flying condition whereupon Scrope somehow flew back across channel despite limited flying experience confusion about way propeller pitch lever moved prevented Scrope making trip airplane completely overhauled Bianchis Personal Plane Services short order entered Daily Express Race same summer though its performance cant found records nextyear entered Kings Cup Race combination bad weather government red tape resulted race being cancelled August 195 1 Scrope put Mew Gull ditch Shoreham Airport during practice race did extensive damage wasnt until 1953 Mew Gull re appeared racing twice year no great success sold experienced racepilot Fred Dunkerly proceeded still modificaitons once-classic lines airplane bubble canopy improve visibility Henshaw sacrificed speed Peter Clifford raced once 1954 several times 1955which first full season EXF since 1938 Clifford won two heats Society British Aircraft Constructors SBAC Cup 192 mph 196 mph Baginton Aerodrome near Coventry won 1955 Kings Cup Race 2135 mph 17 years since Alex Henshaw done same since Mew Gull gone through war several accidents modifications paid off despite amazing odds old champion made comeback After sitting Out 1956 season Clifford Mew returned action winning Norton Griffiths Trophy 201 mph placing fourth 1957 Kings Cup Race 216 mph though speed better won Kings Cup two years before couldnt win time because handicappers caught up him forced him wait longer starting line Thats way handicap racing show em fast respond increasing handicap 1958 Peter Clifford flew Mew Gull National Air Races winning Air League Challenge Trophy 203 mph its reputation re-earned airplane vanished competition next seven years until May 1965 seen again placing well down list starters Manx Air Derby About three months later during practice another race Mew Gull ejected connecting rod through side its engine badly damaged forced landing followed passed through several owners during late 1 960s finally being acquired socalled restoration expert sawed off its wings preparation who-knows-what 1969 seen author terrible shape Mew Gull yours truly little pile junk sitting puddle water hangar seemed little chance NORTHERN CALIFORNIAS LARGESTN DISCOUNT HOBBY SHOPI I well FUELyoU increased power engine lifeI Highest quality ingredients Deteroent action cut varnish I II II II II II II II II II II II HOURS Monday thru Wednesday 930-630 Thursday & Friday 930-800I 3m inm Saturday 930-600 Sunday 1200-500J QUICK N EASY4/ PATTERN PLANS Can Cut & Assembled Evening No Measuring NeadadlI TOOLS NEEDED TO BUILD Jig SawTrace DrillCut HammerAssemble DESIGNED TO HOLD Fuel tank s Starter Battery Fuse Hold adjl Tools etc Legs Removable 21 x 12 x 39 -up Flight Box $398 Send SELECT A - PRODUCTS 550 E Lincoln Pomona Calif 91767 NO MORE SORE BACKS OR KNEESIII Rising Star Giant Scale Engines $ 189~ Shipping Paid Pre-paid Orders f i Chrome Moly Crank Rod * Ball Bearings throughout Enqines avail immed del ROUSH MFG PO Box 251 Sandyville OH 44671 866-9462 484-4374 February 1981 117 Kb ritz 1 YEAR WARRANTY WARRANTY OR SERVICE WORK CAN BE DONE BY ROUSH MFO OR BY YOUR NEAREST ECHO-KIORITZ PRODUCTS DEALER * 244 Cu inch disp r 32 horsepower * Weight 65 lb DEALER INQUIRIES WELCOME once-proud craft would ever again look like airplane let alone fly should never underestimate ambi tion blind optimism vintage airplane fan 1972 remaines Mew Gull purchased Formula race-pilot/builder Tom Storey Martin Barraclough long expensive process making something out almost nothing begun hard draw distinct line between restoring wreck ends building entirely new airplane begins project must surely have straddled such line six years worked replacing rotten old wood strong new wood replacing cracked discolored plexiglass clear new panels installing new controls instruments other parts make new Mew Gull look like first raced last April 16 1978 Mew Gull took off Redhill Aerodrome home Tiger Club first time 13 years Percival Mew Gull English skies Two months later Mew Gull performed Old Warden showing off its famous lines thousands appreciative fans zoomed just few feet above grass runway roared through steeply banked pylon turns No longer did lovers old-time racing have use imaginations reading Mew Gulls exploits look listen past become present wasnt jut nostalgia Later season Thruxton Tom Storey climbed roomy cockpit buckled up waited starter swing little green flag race time again Forty-one years after Alex Henshaw first raced EXF Kings Cup Tom Storey did same didnt win could because handicapper good memory amazing speeds airplane clocked Kings Cup Races long ago Mew Gull raced again. will race yet again what Edgar Percival meant words late Doug Bianchi just goes show aeroplane comes good family properly brought up have good chance getting home piece Mew Gull G-AEXF once piece lovely piece sincere thanks priceless research Maurice Marsh Air Racing Specialist Air Britain International Society Aviation Historians Super Voodoo/Jo Continued page 42 control Trim line rake Proper line rake has computed via formula flight-adjusted minimum aircraft speed 90 mph build line rake 120-mph speeds will suffer decreased line tension soon plane lifts off streamer full streamer can slow down Fast Combat plane almost 10 mph build excessive line rake will waste engine efficiency directing power outwards Proper line rake computed 90-mph minimum Combat speed because observa tions five Nationals date varying contest locales observed under average atmospheric conditions top Combat fliers usually turning 90-100 mph Under ideal atmospheric conditions same fliers upped speeds 100-110 mph region Poor atmospheric conditions dropped speeds 80-90 mph range flights full streamer flights accurately timed data little interpolation can see selected 90 mph minimum Combat speed compute line rake Before go next area trim heres tip use find true air speed Combat plane flying absolutely level Step 1 Note angle between lines ground Step 2 Look up cosine angle multiply apparent speed plane get true speed Example clocked plane flying 45 degrees planes apparent speed 100 mph speed charts assume plane remains level during clocking case plane wasnt level its chart speed true speed apparent speed get true speed multiply cosine angle plane flying cosine 45 degrees 707 apparent speed 100 mph l00times 707 equals 707 mph true speed plane flying 25 degrees cosine 25 degrees 906 true air speed would 100 times 906 906 mph cosine values used examples two popular angles Combat pilots cruise planes waiting opponents become airborne cosine values 45- 25-degree angles can rounded off 7 9 respectively easy multiplica tion less 1% error true air speed Memorization two angles values could future use contest field Trim wing offset Because outboard wing travels faster inboard wing lift center Control Line aircraft same its geometric center proper amount wing offset trim needed Super Voodoo precisely calculated found 118 Mode Aviation
Edition: Model Aviation - 1981/02
Page Numbers: 62, 63, 64, 65, 66, 116, 117, 118
NO OCR TEXT NO OCR TEXT -AEiT WAS NEASUD hV FS GRATEfUL 7AASS ARE OLE TO MR Tf STORE WNO ALSO MADE AIdAILABLE RECONSTRUCTION DRAMNGS MR ALEX NENSMAW I0 SCPFLIED DETAILS V8 7CA77ONS LW PERCIVAL SE O-OPERA71ON WAS INDISPENSABLE BLAO PITOT TUBE VARIATIONS E TiNES GIVEN SCALE RATIER TRADE MARK S TINE S GIVEN SCALE 6AN RACES 1937 KINGS WPREE SELECTION RACING M9mDqs SIS NOT COMPLETE APEFL 193 R71GI CIJP RACE VEN77LAT7ON EAG0 LEFT SIDE CAIV LVRANGED IRDII 1935 A7FAVS CLP ESSEX AERD REMOVED AFTER CAPE fLIGHT CI6ACf-SCf-I IT 1/ 7/ BLLE RED WHITE \CAPE ILIGMT OALV / \ I o_L-AEXF Ij YSIXR ROPELLER OMSSNAL CAIV DECKING RETAINED RAI7ER ELLER fITTED UNTIL AFTER MAN RACES WINGSRAN94 3OVERALL LENGTH WING AREASB ft2 STABILIZER -- --74 V WHEEL TiACK5- oWITH Dh LLER-*OU EPATV hC 0936 - fl5Q RA77ERy* PROPELLER SENLESINGER -LOADED 4CDNT3E- S1Ib WITH GIPSYSIX ft- 0939- -9h t93Owl WITH GiPS sIXS DR ELLER LANDING AR SNEWH UNDER NO LOAD IN ALL WEWS FOR 1935 KiNGS OL OLED LEGS STRAPPED UP WIIH MIGN-TENSILE CABLE SITENEO BYAPPROI 3 REAR BLADES IS MATT BLACK ESTIMATED FIGURES QQ81 OVERALL fINISMWHITI ZSAMN REGISTRATION NAMES ON COWIJNG GAOcT REGaTRATIce IBRITISM WI14STAB1LIZER TiPS WNG NUNBER___ WCKPITINTERIOR4M77 LIGHTS PROPELLERS SPIIINER -- ISHEDOUP 5BR1775M RACING WDIe LV DARK OfTEN APPEARS BLAt OCOOVAt ASVA*AT UfT ROOVENOP PlACE SKYJURO IVAL EMBLEM DII FIN 01 THREETWELVE TIMES GIVEN SCALE FRAMES ARE CR4 NNELS REAR CLV CF3A Cf Si1 RATlER ELECTRICDR*p PROPELLER ELLER1935 ATNGS CUP 1939 CAPE IL IGMT -SECTION Cf-I- BLACKRRI TANK/COOLER CGAAINTEO OIL 4 r GIPSY 501 SERIES 2V AL 64 Model Aviation 1937 ISLE MAN RACES SPAR PLAM 144SE %6 JAB EDGES RIB P4P1 ItAP RIBS BRIGS OER flAPS ma pgyioo SPAR WEBS NOSE RIBS GUSSETS RING c~F RUDDER MASS BAL.,4 BRAKE CABLEFLEL TANK WING SECT/ONATAIBt 211 frau D 4 THICKNESS vs. MAX CAMBER AT o7 APPRO AILERON HINGE 7ZZZ7 DURAL SHROUD WING SECtION ATRIB II 29kdowV frsi tip aKIRD 34 THICANESS P1367. NAC CAMBER AT 377 LAID OUT WITH TIP CHORD ATa 77lICKPS OI 57 DHEORAL IN PLANE 0 CHORD IS 3j AT 307. 11MB SEC77OIG ARE TWICE GIVEN SCALE EATENDED 05177ON ACTABLE VENTURI A t41l~ VTLINES ARE ~iflAfr RASH-PADS& aVG IN-RETRACTABLE VENTUI DE COCA WITARE BLACK1937 & THEREAFTER WE TRIM CONTROL WI-PEEL DETALS ABOVE ARE THREE TINES GIVEN SCALE OU 7XED BEHIND ICCTANWR XJT OUT IN COWL F- TTT AILERON MASS BALANCE BALA1CE DETALS ARE TWICE GIVEN SCALE STRIPS RIVETED TO 77NBER IWANES 7WILAR INTFRN4L SUPPOA7S SUPIBLIAC NAWGA77ON LIGH7S I7TTED FOR SCHLESINGER RACE ONLV / QELEVATOR TRIM HORN .77E lINES GIVEN SC4LE IIIB7NLIMENTOR PANELCOA9SE TWICE GIVEN SCALE21 BLACK OVERAW NEEDLE MARKINGS IN WIWTTHROTTLE LALTITUDE K SKID PIIIDT POSE COWL ELLER 7 ELEVATIOM PLANS FRONT VIEW Fl-POW VERSION WITH RA77ER ELLER IOR l9 SChLESINGER RACE NVER7rD PLAN WITH ASSCCM7rD HOSE E7ILS SHOwS G-AEXFAS FLOWN WITH FAIRE V-REED flXED -MTEH ROPEL LEA I* 3 4 a*lOft MODEL AVIATION SCALE LLLi PERCIVAL E211 / I~I MEW GULL uary 1981 65 RUDDER HORN flIRING INTERNAL DETAIL APROPG D FUEL TANKS COOLING OIL BAtTLE ii3F-S - -6F-F-BF-p / III THE Mew Gull waits its stark white wings fuselage gleaming clear English sun Minutes go minutes still other airplanes flagged off Around long pylon-marked course rush piling up laps Mew Gull waits Finally after impossibly long time starter faces Mew Gulls pilot raises little green flag snaps smartly down Mew Gull accelerates briskly along neatly clipped grass runway skips couple times eases air begin its chase slower airplanes typical English handicap race latest long wait has ended its throttle familiar position allthe-way-forward sleek wooden airplane its 210-hp deHavilland Gipsy Queen straightsix charges over gentle countryside low air traffic rules common sense will allow time passes Austers Chip munks Cessnas Tiger Moths taken off minutes before Little little makes up time lost slower airplanes got carefully calculated starting advantages As last few laps long American standards pylon course pass beneath its slim tapered wings Mew Gull steadily moves up leader no few hundred yards race left passes alongside storms first place finish line comes view Now down hedge-hopping height Mew Gull its element streaking better 200 mph across aerodrome leaving ordinary airplanes its slipstream Its yet another win Percival Mew Gull G-AEXF Yet another chapter story began 1936 interrupted war some crashes just seems keep going story worlds senior racing airplanes quite possibly senior worlds engine-driven racing machinery what race car boat motorcycle has action 43 years still can win As race-planes go hardly famous Granville brothers GeeBees two famous heaps rubble barely year after first flew Mew Gull same sort screaming speed demon GeeBee its famous rivals yet some 200 hp could manage 250 mph straight level Mew Gull sure meant different kind racing short-course pylon events GeeBees excelled during brief lives Racing Europe 1 930s two kinds long-distance handicap though often combined first events like 1934 Robertson Race England Australia latter form pylon race over long courses great variety types airplanes once continues today differences speed balanced out handicapped starts races 30s ranged several laps 20-mile course round Britain races 1000 miles both types races Mew Gull all-time best British avia tion enthusiast remains airplanes brings forth great waves emotion like Spitfire Mosquito like two classic flying machines outstand ing its special line work among beautiful airplanes air Moreover first appeared Mew Gull faster active RAF fighter close prototype monoplanes would soon make news like Hawker Hurricane six Percival P6 Mew Gulls built firstG-ACNDflew March 22 1934 average 191 mph 800-mi Kings Cup Race less four months later piloted designer Edgar W Percival other race before being written off wrecked October much improved proto type followed also called G-ACND July 1935 won 1000-mi race Deauville France Cannes back average speed 188 mph 180-hp Regnier engine Edgar Percival flew 1935 Kings Cup Race won race London Cardiff Wales 218 mph Only three months after its first race second Mew Gull lost during Michelin Cup Race France its pilot got lost fog over mountains wisely bailed out first production Mew GullG-AEKL Continued page 116 66 Model Aviation Evenj airplane belongs air Despite great historical significance Mew Gull its rarity flown regularly air displays handicap pylon races long sleek nose Mew Gull houses 200-hp 6-cylinder Gipsy engine much like hummed smoothly entire 12000 miles South Africa back 1g39 hours Curing will slow because evaporation restricted entirely dry carefully separate lami nate form inner layer damaged should now have light strong piece has raw edges strips glue squeeze-out occurred Fine sandpaperplaced face-up apiece plate ass makes convenient truing surface care alignment lay-up -in strips will yield finished 7/16-in piece slicing least two identical parts way divide curved stock set up razor saw spacer blocks shown pictures cut individual identical bows laminate procedure much simpler easier practice description makes appear Safe Flying No Accident Mew Gull/Berliner Continued page 66 made its debut 1936 Kings Cup Race placing 4th 206 mph 200-hp Gipsy Six engine continued race great success rachmg its peak 1937 Kings Cup Charles Gardner flew first place 234 mph second 1938 Kings Cup Race went storage along lot other unwarlike craft start Second World War German bombing raid Lympne Aero drome June 1940 speeded end Mew Gull third production airplaneG-AEMO appeared ZS-AHO Baragwanath Schle singer Race England South Africa September 1936 Capt S S Halse flew hard led far Salisbury Rhodesia overturned after hitting ant hill landing airplane badly damaged last reported around 1951 terrible condition Johannesburg South Africa last Mew Gulls G-AFAA raced great speed limited compe titive success form 1937 1939 Its best per formance 1937 Kings Cup Race Edgar Percival placed third 239 mph Shortly after end war burned cinders makers movie needed simulate accident Luton Airport north London brings us second production Percival Mew Gull G-AEXF ZS AHM Golden City also began its career Schlesinger Race September 1936 unlike its less fortunate brothers has simply refused quit Its first race far historic suffered engine damage refueled low-grade gasoline quit Belgrade Yugo slavia sold William Humble soon passed Alex Henshaw shining lights British pre-war air racing hands Henshaw EXF made headlines history 1937 Henshaw raced Mew Gull seven times never averaging less 200 mph though won race 1938 Henshaw Mew rare combination second 200-mile race London Isle Man 248 mph third Manx Air Derby relatively short-course race 239 mph period extensive modifications made Jack Cross aimed upping its speed stretching its range canopy lowered spats wheel pants tightened cowl spinner streamlined aid extended crankshaft variable-pitch pro peller added first really major achievement Henshaw Mew Gull came Hatfield Aerodrome just north London July 2 1938 won Kings Cup Race 2363 mph winning speed has yet topped winning British airplane some later races Mew powered 225-hp Gipsy engine taken famous deHavilland Comet racers Grosvenor House short races really what Mew Gull designed win spacious cockpit good stability handling characteris tics large fuel capacity meant longdistance races record attempts 1939 showed its stuff February 5 Alex Henshaw took off Gravesend along Thames River east London headed south fuel load 104 US gallons range about 2000 miles 205-hp Gipsy engine Fuel stops made Algeria Mali Gabon Angola racer streaked down east coast Africa day after took off England Henshaw landed Mew Gull Wingfield Aerodrome Cape Town South Africa having flown almost 6000 miles 39 hours 25 minutes including stops very next day headed north arriving back Gravesend February 9 after 39-hour 36-minute trip single-engine single-seat airplane flown almost 12000 miles four days major problem record airplane just much home race course has yet broken After race London Isle Man spring 1939 Alex Henshaw became too busy testing Spitfires Vickers forced sell beloved Mew Gull Victor Vermorel took home France time German invasion airplane 116 Model Aviation secretof success Mew Gull anytruly efficientairplane isthe great attention paid streamlining detail work such fairings close control fits dismantled hidden under potato sacks some new Villefranche-sur-Saone through war Germans searched Germans finally chased back belonged Mew Gull recovered surprisingly good condition Vermorel put back together flew briefly before being killed crash another airplane Ownership passed Jean Drapier moved Lyon France 1947 did little else July 1950 found Hugh Scrope executive Vickers talked late Doug Bianchi Englands great airplane builders restorers characters getting back home Bianchi some associates put flying condition whereupon Scrope somehow flew back across channel despite limited flying experience confusion about way propeller pitch lever moved prevented Scrope making trip airplane completely overhauled Bianchis Personal Plane Services short order entered Daily Express Race same summer though its performance cant found records nextyear entered Kings Cup Race combination bad weather government red tape resulted race being cancelled August 195 1 Scrope put Mew Gull ditch Shoreham Airport during practice race did extensive damage wasnt until 1953 Mew Gull re appeared racing twice year no great success sold experienced racepilot Fred Dunkerly proceeded still modificaitons once-classic lines airplane bubble canopy improve visibility Henshaw sacrificed speed Peter Clifford raced once 1954 several times 1955which first full season EXF since 1938 Clifford won two heats Society British Aircraft Constructors SBAC Cup 192 mph 196 mph Baginton Aerodrome near Coventry won 1955 Kings Cup Race 2135 mph 17 years since Alex Henshaw done same since Mew Gull gone through war several accidents modifications paid off despite amazing odds old champion made comeback After sitting Out 1956 season Clifford Mew returned action winning Norton Griffiths Trophy 201 mph placing fourth 1957 Kings Cup Race 216 mph though speed better won Kings Cup two years before couldnt win time because handicappers caught up him forced him wait longer starting line Thats way handicap racing show em fast respond increasing handicap 1958 Peter Clifford flew Mew Gull National Air Races winning Air League Challenge Trophy 203 mph its reputation re-earned airplane vanished competition next seven years until May 1965 seen again placing well down list starters Manx Air Derby About three months later during practice another race Mew Gull ejected connecting rod through side its engine badly damaged forced landing followed passed through several owners during late 1 960s finally being acquired socalled restoration expert sawed off its wings preparation who-knows-what 1969 seen author terrible shape Mew Gull yours truly little pile junk sitting puddle water hangar seemed little chance NORTHERN CALIFORNIAS LARGESTN DISCOUNT HOBBY SHOPI I well FUELyoU increased power engine lifeI Highest quality ingredients Deteroent action cut varnish I II II II II II II II II II II II HOURS Monday thru Wednesday 930-630 Thursday & Friday 930-800I 3m inm Saturday 930-600 Sunday 1200-500J QUICK N EASY4/ PATTERN PLANS Can Cut & Assembled Evening No Measuring NeadadlI TOOLS NEEDED TO BUILD Jig SawTrace DrillCut HammerAssemble DESIGNED TO HOLD Fuel tank s Starter Battery Fuse Hold adjl Tools etc Legs Removable 21 x 12 x 39 -up Flight Box $398 Send SELECT A - PRODUCTS 550 E Lincoln Pomona Calif 91767 NO MORE SORE BACKS OR KNEESIII Rising Star Giant Scale Engines $ 189~ Shipping Paid Pre-paid Orders f i Chrome Moly Crank Rod * Ball Bearings throughout Enqines avail immed del ROUSH MFG PO Box 251 Sandyville OH 44671 866-9462 484-4374 February 1981 117 Kb ritz 1 YEAR WARRANTY WARRANTY OR SERVICE WORK CAN BE DONE BY ROUSH MFO OR BY YOUR NEAREST ECHO-KIORITZ PRODUCTS DEALER * 244 Cu inch disp r 32 horsepower * Weight 65 lb DEALER INQUIRIES WELCOME once-proud craft would ever again look like airplane let alone fly should never underestimate ambi tion blind optimism vintage airplane fan 1972 remaines Mew Gull purchased Formula race-pilot/builder Tom Storey Martin Barraclough long expensive process making something out almost nothing begun hard draw distinct line between restoring wreck ends building entirely new airplane begins project must surely have straddled such line six years worked replacing rotten old wood strong new wood replacing cracked discolored plexiglass clear new panels installing new controls instruments other parts make new Mew Gull look like first raced last April 16 1978 Mew Gull took off Redhill Aerodrome home Tiger Club first time 13 years Percival Mew Gull English skies Two months later Mew Gull performed Old Warden showing off its famous lines thousands appreciative fans zoomed just few feet above grass runway roared through steeply banked pylon turns No longer did lovers old-time racing have use imaginations reading Mew Gulls exploits look listen past become present wasnt jut nostalgia Later season Thruxton Tom Storey climbed roomy cockpit buckled up waited starter swing little green flag race time again Forty-one years after Alex Henshaw first raced EXF Kings Cup Tom Storey did same didnt win could because handicapper good memory amazing speeds airplane clocked Kings Cup Races long ago Mew Gull raced again. will race yet again what Edgar Percival meant words late Doug Bianchi just goes show aeroplane comes good family properly brought up have good chance getting home piece Mew Gull G-AEXF once piece lovely piece sincere thanks priceless research Maurice Marsh Air Racing Specialist Air Britain International Society Aviation Historians Super Voodoo/Jo Continued page 42 control Trim line rake Proper line rake has computed via formula flight-adjusted minimum aircraft speed 90 mph build line rake 120-mph speeds will suffer decreased line tension soon plane lifts off streamer full streamer can slow down Fast Combat plane almost 10 mph build excessive line rake will waste engine efficiency directing power outwards Proper line rake computed 90-mph minimum Combat speed because observa tions five Nationals date varying contest locales observed under average atmospheric conditions top Combat fliers usually turning 90-100 mph Under ideal atmospheric conditions same fliers upped speeds 100-110 mph region Poor atmospheric conditions dropped speeds 80-90 mph range flights full streamer flights accurately timed data little interpolation can see selected 90 mph minimum Combat speed compute line rake Before go next area trim heres tip use find true air speed Combat plane flying absolutely level Step 1 Note angle between lines ground Step 2 Look up cosine angle multiply apparent speed plane get true speed Example clocked plane flying 45 degrees planes apparent speed 100 mph speed charts assume plane remains level during clocking case plane wasnt level its chart speed true speed apparent speed get true speed multiply cosine angle plane flying cosine 45 degrees 707 apparent speed 100 mph l00times 707 equals 707 mph true speed plane flying 25 degrees cosine 25 degrees 906 true air speed would 100 times 906 906 mph cosine values used examples two popular angles Combat pilots cruise planes waiting opponents become airborne cosine values 45- 25-degree angles can rounded off 7 9 respectively easy multiplica tion less 1% error true air speed Memorization two angles values could future use contest field Trim wing offset Because outboard wing travels faster inboard wing lift center Control Line aircraft same its geometric center proper amount wing offset trim needed Super Voodoo precisely calculated found 118 Mode Aviation
Edition: Model Aviation - 1981/02
Page Numbers: 62, 63, 64, 65, 66, 116, 117, 118
NO OCR TEXT NO OCR TEXT -AEiT WAS NEASUD hV FS GRATEfUL 7AASS ARE OLE TO MR Tf STORE WNO ALSO MADE AIdAILABLE RECONSTRUCTION DRAMNGS MR ALEX NENSMAW I0 SCPFLIED DETAILS V8 7CA77ONS LW PERCIVAL SE O-OPERA71ON WAS INDISPENSABLE BLAO PITOT TUBE VARIATIONS E TiNES GIVEN SCALE RATIER TRADE MARK S TINE S GIVEN SCALE 6AN RACES 1937 KINGS WPREE SELECTION RACING M9mDqs SIS NOT COMPLETE APEFL 193 R71GI CIJP RACE VEN77LAT7ON EAG0 LEFT SIDE CAIV LVRANGED IRDII 1935 A7FAVS CLP ESSEX AERD REMOVED AFTER CAPE fLIGHT CI6ACf-SCf-I IT 1/ 7/ BLLE RED WHITE \CAPE ILIGMT OALV / \ I o_L-AEXF Ij YSIXR ROPELLER OMSSNAL CAIV DECKING RETAINED RAI7ER ELLER fITTED UNTIL AFTER MAN RACES WINGSRAN94 3OVERALL LENGTH WING AREASB ft2 STABILIZER -- --74 V WHEEL TiACK5- oWITH Dh LLER-*OU EPATV hC 0936 - fl5Q RA77ERy* PROPELLER SENLESINGER -LOADED 4CDNT3E- S1Ib WITH GIPSYSIX ft- 0939- -9h t93Owl WITH GiPS sIXS DR ELLER LANDING AR SNEWH UNDER NO LOAD IN ALL WEWS FOR 1935 KiNGS OL OLED LEGS STRAPPED UP WIIH MIGN-TENSILE CABLE SITENEO BYAPPROI 3 REAR BLADES IS MATT BLACK ESTIMATED FIGURES QQ81 OVERALL fINISMWHITI ZSAMN REGISTRATION NAMES ON COWIJNG GAOcT REGaTRATIce IBRITISM WI14STAB1LIZER TiPS WNG NUNBER___ WCKPITINTERIOR4M77 LIGHTS PROPELLERS SPIIINER -- ISHEDOUP 5BR1775M RACING WDIe LV DARK OfTEN APPEARS BLAt OCOOVAt ASVA*AT UfT ROOVENOP PlACE SKYJURO IVAL EMBLEM DII FIN 01 THREETWELVE TIMES GIVEN SCALE FRAMES ARE CR4 NNELS REAR CLV CF3A Cf Si1 RATlER ELECTRICDR*p PROPELLER ELLER1935 ATNGS CUP 1939 CAPE IL IGMT -SECTION Cf-I- BLACKRRI TANK/COOLER CGAAINTEO OIL 4 r GIPSY 501 SERIES 2V AL 64 Model Aviation 1937 ISLE MAN RACES SPAR PLAM 144SE %6 JAB EDGES RIB P4P1 ItAP RIBS BRIGS OER flAPS ma pgyioo SPAR WEBS NOSE RIBS GUSSETS RING c~F RUDDER MASS BAL.,4 BRAKE CABLEFLEL TANK WING SECT/ONATAIBt 211 frau D 4 THICKNESS vs. MAX CAMBER AT o7 APPRO AILERON HINGE 7ZZZ7 DURAL SHROUD WING SECtION ATRIB II 29kdowV frsi tip aKIRD 34 THICANESS P1367. NAC CAMBER AT 377 LAID OUT WITH TIP CHORD ATa 77lICKPS OI 57 DHEORAL IN PLANE 0 CHORD IS 3j AT 307. 11MB SEC77OIG ARE TWICE GIVEN SCALE EATENDED 05177ON ACTABLE VENTURI A t41l~ VTLINES ARE ~iflAfr RASH-PADS& aVG IN-RETRACTABLE VENTUI DE COCA WITARE BLACK1937 & THEREAFTER WE TRIM CONTROL WI-PEEL DETALS ABOVE ARE THREE TINES GIVEN SCALE OU 7XED BEHIND ICCTANWR XJT OUT IN COWL F- TTT AILERON MASS BALANCE BALA1CE DETALS ARE TWICE GIVEN SCALE STRIPS RIVETED TO 77NBER IWANES 7WILAR INTFRN4L SUPPOA7S SUPIBLIAC NAWGA77ON LIGH7S I7TTED FOR SCHLESINGER RACE ONLV / QELEVATOR TRIM HORN .77E lINES GIVEN SC4LE IIIB7NLIMENTOR PANELCOA9SE TWICE GIVEN SCALE21 BLACK OVERAW NEEDLE MARKINGS IN WIWTTHROTTLE LALTITUDE K SKID PIIIDT POSE COWL ELLER 7 ELEVATIOM PLANS FRONT VIEW Fl-POW VERSION WITH RA77ER ELLER IOR l9 SChLESINGER RACE NVER7rD PLAN WITH ASSCCM7rD HOSE E7ILS SHOwS G-AEXFAS FLOWN WITH FAIRE V-REED flXED -MTEH ROPEL LEA I* 3 4 a*lOft MODEL AVIATION SCALE LLLi PERCIVAL E211 / I~I MEW GULL uary 1981 65 RUDDER HORN flIRING INTERNAL DETAIL APROPG D FUEL TANKS COOLING OIL BAtTLE ii3F-S - -6F-F-BF-p / III THE Mew Gull waits its stark white wings fuselage gleaming clear English sun Minutes go minutes still other airplanes flagged off Around long pylon-marked course rush piling up laps Mew Gull waits Finally after impossibly long time starter faces Mew Gulls pilot raises little green flag snaps smartly down Mew Gull accelerates briskly along neatly clipped grass runway skips couple times eases air begin its chase slower airplanes typical English handicap race latest long wait has ended its throttle familiar position allthe-way-forward sleek wooden airplane its 210-hp deHavilland Gipsy Queen straightsix charges over gentle countryside low air traffic rules common sense will allow time passes Austers Chip munks Cessnas Tiger Moths taken off minutes before Little little makes up time lost slower airplanes got carefully calculated starting advantages As last few laps long American standards pylon course pass beneath its slim tapered wings Mew Gull steadily moves up leader no few hundred yards race left passes alongside storms first place finish line comes view Now down hedge-hopping height Mew Gull its element streaking better 200 mph across aerodrome leaving ordinary airplanes its slipstream Its yet another win Percival Mew Gull G-AEXF Yet another chapter story began 1936 interrupted war some crashes just seems keep going story worlds senior racing airplanes quite possibly senior worlds engine-driven racing machinery what race car boat motorcycle has action 43 years still can win As race-planes go hardly famous Granville brothers GeeBees two famous heaps rubble barely year after first flew Mew Gull same sort screaming speed demon GeeBee its famous rivals yet some 200 hp could manage 250 mph straight level Mew Gull sure meant different kind racing short-course pylon events GeeBees excelled during brief lives Racing Europe 1 930s two kinds long-distance handicap though often combined first events like 1934 Robertson Race England Australia latter form pylon race over long courses great variety types airplanes once continues today differences speed balanced out handicapped starts races 30s ranged several laps 20-mile course round Britain races 1000 miles both types races Mew Gull all-time best British avia tion enthusiast remains airplanes brings forth great waves emotion like Spitfire Mosquito like two classic flying machines outstand ing its special line work among beautiful airplanes air Moreover first appeared Mew Gull faster active RAF fighter close prototype monoplanes would soon make news like Hawker Hurricane six Percival P6 Mew Gulls built firstG-ACNDflew March 22 1934 average 191 mph 800-mi Kings Cup Race less four months later piloted designer Edgar W Percival other race before being written off wrecked October much improved proto type followed also called G-ACND July 1935 won 1000-mi race Deauville France Cannes back average speed 188 mph 180-hp Regnier engine Edgar Percival flew 1935 Kings Cup Race won race London Cardiff Wales 218 mph Only three months after its first race second Mew Gull lost during Michelin Cup Race France its pilot got lost fog over mountains wisely bailed out first production Mew GullG-AEKL Continued page 116 66 Model Aviation Evenj airplane belongs air Despite great historical significance Mew Gull its rarity flown regularly air displays handicap pylon races long sleek nose Mew Gull houses 200-hp 6-cylinder Gipsy engine much like hummed smoothly entire 12000 miles South Africa back 1g39 hours Curing will slow because evaporation restricted entirely dry carefully separate lami nate form inner layer damaged should now have light strong piece has raw edges strips glue squeeze-out occurred Fine sandpaperplaced face-up apiece plate ass makes convenient truing surface care alignment lay-up -in strips will yield finished 7/16-in piece slicing least two identical parts way divide curved stock set up razor saw spacer blocks shown pictures cut individual identical bows laminate procedure much simpler easier practice description makes appear Safe Flying No Accident Mew Gull/Berliner Continued page 66 made its debut 1936 Kings Cup Race placing 4th 206 mph 200-hp Gipsy Six engine continued race great success rachmg its peak 1937 Kings Cup Charles Gardner flew first place 234 mph second 1938 Kings Cup Race went storage along lot other unwarlike craft start Second World War German bombing raid Lympne Aero drome June 1940 speeded end Mew Gull third production airplaneG-AEMO appeared ZS-AHO Baragwanath Schle singer Race England South Africa September 1936 Capt S S Halse flew hard led far Salisbury Rhodesia overturned after hitting ant hill landing airplane badly damaged last reported around 1951 terrible condition Johannesburg South Africa last Mew Gulls G-AFAA raced great speed limited compe titive success form 1937 1939 Its best per formance 1937 Kings Cup Race Edgar Percival placed third 239 mph Shortly after end war burned cinders makers movie needed simulate accident Luton Airport north London brings us second production Percival Mew Gull G-AEXF ZS AHM Golden City also began its career Schlesinger Race September 1936 unlike its less fortunate brothers has simply refused quit Its first race far historic suffered engine damage refueled low-grade gasoline quit Belgrade Yugo slavia sold William Humble soon passed Alex Henshaw shining lights British pre-war air racing hands Henshaw EXF made headlines history 1937 Henshaw raced Mew Gull seven times never averaging less 200 mph though won race 1938 Henshaw Mew rare combination second 200-mile race London Isle Man 248 mph third Manx Air Derby relatively short-course race 239 mph period extensive modifications made Jack Cross aimed upping its speed stretching its range canopy lowered spats wheel pants tightened cowl spinner streamlined aid extended crankshaft variable-pitch pro peller added first really major achievement Henshaw Mew Gull came Hatfield Aerodrome just north London July 2 1938 won Kings Cup Race 2363 mph winning speed has yet topped winning British airplane some later races Mew powered 225-hp Gipsy engine taken famous deHavilland Comet racers Grosvenor House short races really what Mew Gull designed win spacious cockpit good stability handling characteris tics large fuel capacity meant longdistance races record attempts 1939 showed its stuff February 5 Alex Henshaw took off Gravesend along Thames River east London headed south fuel load 104 US gallons range about 2000 miles 205-hp Gipsy engine Fuel stops made Algeria Mali Gabon Angola racer streaked down east coast Africa day after took off England Henshaw landed Mew Gull Wingfield Aerodrome Cape Town South Africa having flown almost 6000 miles 39 hours 25 minutes including stops very next day headed north arriving back Gravesend February 9 after 39-hour 36-minute trip single-engine single-seat airplane flown almost 12000 miles four days major problem record airplane just much home race course has yet broken After race London Isle Man spring 1939 Alex Henshaw became too busy testing Spitfires Vickers forced sell beloved Mew Gull Victor Vermorel took home France time German invasion airplane 116 Model Aviation secretof success Mew Gull anytruly efficientairplane isthe great attention paid streamlining detail work such fairings close control fits dismantled hidden under potato sacks some new Villefranche-sur-Saone through war Germans searched Germans finally chased back belonged Mew Gull recovered surprisingly good condition Vermorel put back together flew briefly before being killed crash another airplane Ownership passed Jean Drapier moved Lyon France 1947 did little else July 1950 found Hugh Scrope executive Vickers talked late Doug Bianchi Englands great airplane builders restorers characters getting back home Bianchi some associates put flying condition whereupon Scrope somehow flew back across channel despite limited flying experience confusion about way propeller pitch lever moved prevented Scrope making trip airplane completely overhauled Bianchis Personal Plane Services short order entered Daily Express Race same summer though its performance cant found records nextyear entered Kings Cup Race combination bad weather government red tape resulted race being cancelled August 195 1 Scrope put Mew Gull ditch Shoreham Airport during practice race did extensive damage wasnt until 1953 Mew Gull re appeared racing twice year no great success sold experienced racepilot Fred Dunkerly proceeded still modificaitons once-classic lines airplane bubble canopy improve visibility Henshaw sacrificed speed Peter Clifford raced once 1954 several times 1955which first full season EXF since 1938 Clifford won two heats Society British Aircraft Constructors SBAC Cup 192 mph 196 mph Baginton Aerodrome near Coventry won 1955 Kings Cup Race 2135 mph 17 years since Alex Henshaw done same since Mew Gull gone through war several accidents modifications paid off despite amazing odds old champion made comeback After sitting Out 1956 season Clifford Mew returned action winning Norton Griffiths Trophy 201 mph placing fourth 1957 Kings Cup Race 216 mph though speed better won Kings Cup two years before couldnt win time because handicappers caught up him forced him wait longer starting line Thats way handicap racing show em fast respond increasing handicap 1958 Peter Clifford flew Mew Gull National Air Races winning Air League Challenge Trophy 203 mph its reputation re-earned airplane vanished competition next seven years until May 1965 seen again placing well down list starters Manx Air Derby About three months later during practice another race Mew Gull ejected connecting rod through side its engine badly damaged forced landing followed passed through several owners during late 1 960s finally being acquired socalled restoration expert sawed off its wings preparation who-knows-what 1969 seen author terrible shape Mew Gull yours truly little pile junk sitting puddle water hangar seemed little chance NORTHERN CALIFORNIAS LARGESTN DISCOUNT HOBBY SHOPI I well FUELyoU increased power engine lifeI Highest quality ingredients Deteroent action cut varnish I II II II II II II II II II II II HOURS Monday thru Wednesday 930-630 Thursday & Friday 930-800I 3m inm Saturday 930-600 Sunday 1200-500J QUICK N EASY4/ PATTERN PLANS Can Cut & Assembled Evening No Measuring NeadadlI TOOLS NEEDED TO BUILD Jig SawTrace DrillCut HammerAssemble DESIGNED TO HOLD Fuel tank s Starter Battery Fuse Hold adjl Tools etc Legs Removable 21 x 12 x 39 -up Flight Box $398 Send SELECT A - PRODUCTS 550 E Lincoln Pomona Calif 91767 NO MORE SORE BACKS OR KNEESIII Rising Star Giant Scale Engines $ 189~ Shipping Paid Pre-paid Orders f i Chrome Moly Crank Rod * Ball Bearings throughout Enqines avail immed del ROUSH MFG PO Box 251 Sandyville OH 44671 866-9462 484-4374 February 1981 117 Kb ritz 1 YEAR WARRANTY WARRANTY OR SERVICE WORK CAN BE DONE BY ROUSH MFO OR BY YOUR NEAREST ECHO-KIORITZ PRODUCTS DEALER * 244 Cu inch disp r 32 horsepower * Weight 65 lb DEALER INQUIRIES WELCOME once-proud craft would ever again look like airplane let alone fly should never underestimate ambi tion blind optimism vintage airplane fan 1972 remaines Mew Gull purchased Formula race-pilot/builder Tom Storey Martin Barraclough long expensive process making something out almost nothing begun hard draw distinct line between restoring wreck ends building entirely new airplane begins project must surely have straddled such line six years worked replacing rotten old wood strong new wood replacing cracked discolored plexiglass clear new panels installing new controls instruments other parts make new Mew Gull look like first raced last April 16 1978 Mew Gull took off Redhill Aerodrome home Tiger Club first time 13 years Percival Mew Gull English skies Two months later Mew Gull performed Old Warden showing off its famous lines thousands appreciative fans zoomed just few feet above grass runway roared through steeply banked pylon turns No longer did lovers old-time racing have use imaginations reading Mew Gulls exploits look listen past become present wasnt jut nostalgia Later season Thruxton Tom Storey climbed roomy cockpit buckled up waited starter swing little green flag race time again Forty-one years after Alex Henshaw first raced EXF Kings Cup Tom Storey did same didnt win could because handicapper good memory amazing speeds airplane clocked Kings Cup Races long ago Mew Gull raced again. will race yet again what Edgar Percival meant words late Doug Bianchi just goes show aeroplane comes good family properly brought up have good chance getting home piece Mew Gull G-AEXF once piece lovely piece sincere thanks priceless research Maurice Marsh Air Racing Specialist Air Britain International Society Aviation Historians Super Voodoo/Jo Continued page 42 control Trim line rake Proper line rake has computed via formula flight-adjusted minimum aircraft speed 90 mph build line rake 120-mph speeds will suffer decreased line tension soon plane lifts off streamer full streamer can slow down Fast Combat plane almost 10 mph build excessive line rake will waste engine efficiency directing power outwards Proper line rake computed 90-mph minimum Combat speed because observa tions five Nationals date varying contest locales observed under average atmospheric conditions top Combat fliers usually turning 90-100 mph Under ideal atmospheric conditions same fliers upped speeds 100-110 mph region Poor atmospheric conditions dropped speeds 80-90 mph range flights full streamer flights accurately timed data little interpolation can see selected 90 mph minimum Combat speed compute line rake Before go next area trim heres tip use find true air speed Combat plane flying absolutely level Step 1 Note angle between lines ground Step 2 Look up cosine angle multiply apparent speed plane get true speed Example clocked plane flying 45 degrees planes apparent speed 100 mph speed charts assume plane remains level during clocking case plane wasnt level its chart speed true speed apparent speed get true speed multiply cosine angle plane flying cosine 45 degrees 707 apparent speed 100 mph l00times 707 equals 707 mph true speed plane flying 25 degrees cosine 25 degrees 906 true air speed would 100 times 906 906 mph cosine values used examples two popular angles Combat pilots cruise planes waiting opponents become airborne cosine values 45- 25-degree angles can rounded off 7 9 respectively easy multiplica tion less 1% error true air speed Memorization two angles values could future use contest field Trim wing offset Because outboard wing travels faster inboard wing lift center Control Line aircraft same its geometric center proper amount wing offset trim needed Super Voodoo precisely calculated found 118 Mode Aviation
Edition: Model Aviation - 1981/02
Page Numbers: 62, 63, 64, 65, 66, 116, 117, 118
NO OCR TEXT NO OCR TEXT -AEiT WAS NEASUD hV FS GRATEfUL 7AASS ARE OLE TO MR Tf STORE WNO ALSO MADE AIdAILABLE RECONSTRUCTION DRAMNGS MR ALEX NENSMAW I0 SCPFLIED DETAILS V8 7CA77ONS LW PERCIVAL SE O-OPERA71ON WAS INDISPENSABLE BLAO PITOT TUBE VARIATIONS E TiNES GIVEN SCALE RATIER TRADE MARK S TINE S GIVEN SCALE 6AN RACES 1937 KINGS WPREE SELECTION RACING M9mDqs SIS NOT COMPLETE APEFL 193 R71GI CIJP RACE VEN77LAT7ON EAG0 LEFT SIDE CAIV LVRANGED IRDII 1935 A7FAVS CLP ESSEX AERD REMOVED AFTER CAPE fLIGHT CI6ACf-SCf-I IT 1/ 7/ BLLE RED WHITE \CAPE ILIGMT OALV / \ I o_L-AEXF Ij YSIXR ROPELLER OMSSNAL CAIV DECKING RETAINED RAI7ER ELLER fITTED UNTIL AFTER MAN RACES WINGSRAN94 3OVERALL LENGTH WING AREASB ft2 STABILIZER -- --74 V WHEEL TiACK5- oWITH Dh LLER-*OU EPATV hC 0936 - fl5Q RA77ERy* PROPELLER SENLESINGER -LOADED 4CDNT3E- S1Ib WITH GIPSYSIX ft- 0939- -9h t93Owl WITH GiPS sIXS DR ELLER LANDING AR SNEWH UNDER NO LOAD IN ALL WEWS FOR 1935 KiNGS OL OLED LEGS STRAPPED UP WIIH MIGN-TENSILE CABLE SITENEO BYAPPROI 3 REAR BLADES IS MATT BLACK ESTIMATED FIGURES QQ81 OVERALL fINISMWHITI ZSAMN REGISTRATION NAMES ON COWIJNG GAOcT REGaTRATIce IBRITISM WI14STAB1LIZER TiPS WNG NUNBER___ WCKPITINTERIOR4M77 LIGHTS PROPELLERS SPIIINER -- ISHEDOUP 5BR1775M RACING WDIe LV DARK OfTEN APPEARS BLAt OCOOVAt ASVA*AT UfT ROOVENOP PlACE SKYJURO IVAL EMBLEM DII FIN 01 THREETWELVE TIMES GIVEN SCALE FRAMES ARE CR4 NNELS REAR CLV CF3A Cf Si1 RATlER ELECTRICDR*p PROPELLER ELLER1935 ATNGS CUP 1939 CAPE IL IGMT -SECTION Cf-I- BLACKRRI TANK/COOLER CGAAINTEO OIL 4 r GIPSY 501 SERIES 2V AL 64 Model Aviation 1937 ISLE MAN RACES SPAR PLAM 144SE %6 JAB EDGES RIB P4P1 ItAP RIBS BRIGS OER flAPS ma pgyioo SPAR WEBS NOSE RIBS GUSSETS RING c~F RUDDER MASS BAL.,4 BRAKE CABLEFLEL TANK WING SECT/ONATAIBt 211 frau D 4 THICKNESS vs. MAX CAMBER AT o7 APPRO AILERON HINGE 7ZZZ7 DURAL SHROUD WING SECtION ATRIB II 29kdowV frsi tip aKIRD 34 THICANESS P1367. NAC CAMBER AT 377 LAID OUT WITH TIP CHORD ATa 77lICKPS OI 57 DHEORAL IN PLANE 0 CHORD IS 3j AT 307. 11MB SEC77OIG ARE TWICE GIVEN SCALE EATENDED 05177ON ACTABLE VENTURI A t41l~ VTLINES ARE ~iflAfr RASH-PADS& aVG IN-RETRACTABLE VENTUI DE COCA WITARE BLACK1937 & THEREAFTER WE TRIM CONTROL WI-PEEL DETALS ABOVE ARE THREE TINES GIVEN SCALE OU 7XED BEHIND ICCTANWR XJT OUT IN COWL F- TTT AILERON MASS BALANCE BALA1CE DETALS ARE TWICE GIVEN SCALE STRIPS RIVETED TO 77NBER IWANES 7WILAR INTFRN4L SUPPOA7S SUPIBLIAC NAWGA77ON LIGH7S I7TTED FOR SCHLESINGER RACE ONLV / QELEVATOR TRIM HORN .77E lINES GIVEN SC4LE IIIB7NLIMENTOR PANELCOA9SE TWICE GIVEN SCALE21 BLACK OVERAW NEEDLE MARKINGS IN WIWTTHROTTLE LALTITUDE K SKID PIIIDT POSE COWL ELLER 7 ELEVATIOM PLANS FRONT VIEW Fl-POW VERSION WITH RA77ER ELLER IOR l9 SChLESINGER RACE NVER7rD PLAN WITH ASSCCM7rD HOSE E7ILS SHOwS G-AEXFAS FLOWN WITH FAIRE V-REED flXED -MTEH ROPEL LEA I* 3 4 a*lOft MODEL AVIATION SCALE LLLi PERCIVAL E211 / I~I MEW GULL uary 1981 65 RUDDER HORN flIRING INTERNAL DETAIL APROPG D FUEL TANKS COOLING OIL BAtTLE ii3F-S - -6F-F-BF-p / III THE Mew Gull waits its stark white wings fuselage gleaming clear English sun Minutes go minutes still other airplanes flagged off Around long pylon-marked course rush piling up laps Mew Gull waits Finally after impossibly long time starter faces Mew Gulls pilot raises little green flag snaps smartly down Mew Gull accelerates briskly along neatly clipped grass runway skips couple times eases air begin its chase slower airplanes typical English handicap race latest long wait has ended its throttle familiar position allthe-way-forward sleek wooden airplane its 210-hp deHavilland Gipsy Queen straightsix charges over gentle countryside low air traffic rules common sense will allow time passes Austers Chip munks Cessnas Tiger Moths taken off minutes before Little little makes up time lost slower airplanes got carefully calculated starting advantages As last few laps long American standards pylon course pass beneath its slim tapered wings Mew Gull steadily moves up leader no few hundred yards race left passes alongside storms first place finish line comes view Now down hedge-hopping height Mew Gull its element streaking better 200 mph across aerodrome leaving ordinary airplanes its slipstream Its yet another win Percival Mew Gull G-AEXF Yet another chapter story began 1936 interrupted war some crashes just seems keep going story worlds senior racing airplanes quite possibly senior worlds engine-driven racing machinery what race car boat motorcycle has action 43 years still can win As race-planes go hardly famous Granville brothers GeeBees two famous heaps rubble barely year after first flew Mew Gull same sort screaming speed demon GeeBee its famous rivals yet some 200 hp could manage 250 mph straight level Mew Gull sure meant different kind racing short-course pylon events GeeBees excelled during brief lives Racing Europe 1 930s two kinds long-distance handicap though often combined first events like 1934 Robertson Race England Australia latter form pylon race over long courses great variety types airplanes once continues today differences speed balanced out handicapped starts races 30s ranged several laps 20-mile course round Britain races 1000 miles both types races Mew Gull all-time best British avia tion enthusiast remains airplanes brings forth great waves emotion like Spitfire Mosquito like two classic flying machines outstand ing its special line work among beautiful airplanes air Moreover first appeared Mew Gull faster active RAF fighter close prototype monoplanes would soon make news like Hawker Hurricane six Percival P6 Mew Gulls built firstG-ACNDflew March 22 1934 average 191 mph 800-mi Kings Cup Race less four months later piloted designer Edgar W Percival other race before being written off wrecked October much improved proto type followed also called G-ACND July 1935 won 1000-mi race Deauville France Cannes back average speed 188 mph 180-hp Regnier engine Edgar Percival flew 1935 Kings Cup Race won race London Cardiff Wales 218 mph Only three months after its first race second Mew Gull lost during Michelin Cup Race France its pilot got lost fog over mountains wisely bailed out first production Mew GullG-AEKL Continued page 116 66 Model Aviation Evenj airplane belongs air Despite great historical significance Mew Gull its rarity flown regularly air displays handicap pylon races long sleek nose Mew Gull houses 200-hp 6-cylinder Gipsy engine much like hummed smoothly entire 12000 miles South Africa back 1g39 hours Curing will slow because evaporation restricted entirely dry carefully separate lami nate form inner layer damaged should now have light strong piece has raw edges strips glue squeeze-out occurred Fine sandpaperplaced face-up apiece plate ass makes convenient truing surface care alignment lay-up -in strips will yield finished 7/16-in piece slicing least two identical parts way divide curved stock set up razor saw spacer blocks shown pictures cut individual identical bows laminate procedure much simpler easier practice description makes appear Safe Flying No Accident Mew Gull/Berliner Continued page 66 made its debut 1936 Kings Cup Race placing 4th 206 mph 200-hp Gipsy Six engine continued race great success rachmg its peak 1937 Kings Cup Charles Gardner flew first place 234 mph second 1938 Kings Cup Race went storage along lot other unwarlike craft start Second World War German bombing raid Lympne Aero drome June 1940 speeded end Mew Gull third production airplaneG-AEMO appeared ZS-AHO Baragwanath Schle singer Race England South Africa September 1936 Capt S S Halse flew hard led far Salisbury Rhodesia overturned after hitting ant hill landing airplane badly damaged last reported around 1951 terrible condition Johannesburg South Africa last Mew Gulls G-AFAA raced great speed limited compe titive success form 1937 1939 Its best per formance 1937 Kings Cup Race Edgar Percival placed third 239 mph Shortly after end war burned cinders makers movie needed simulate accident Luton Airport north London brings us second production Percival Mew Gull G-AEXF ZS AHM Golden City also began its career Schlesinger Race September 1936 unlike its less fortunate brothers has simply refused quit Its first race far historic suffered engine damage refueled low-grade gasoline quit Belgrade Yugo slavia sold William Humble soon passed Alex Henshaw shining lights British pre-war air racing hands Henshaw EXF made headlines history 1937 Henshaw raced Mew Gull seven times never averaging less 200 mph though won race 1938 Henshaw Mew rare combination second 200-mile race London Isle Man 248 mph third Manx Air Derby relatively short-course race 239 mph period extensive modifications made Jack Cross aimed upping its speed stretching its range canopy lowered spats wheel pants tightened cowl spinner streamlined aid extended crankshaft variable-pitch pro peller added first really major achievement Henshaw Mew Gull came Hatfield Aerodrome just north London July 2 1938 won Kings Cup Race 2363 mph winning speed has yet topped winning British airplane some later races Mew powered 225-hp Gipsy engine taken famous deHavilland Comet racers Grosvenor House short races really what Mew Gull designed win spacious cockpit good stability handling characteris tics large fuel capacity meant longdistance races record attempts 1939 showed its stuff February 5 Alex Henshaw took off Gravesend along Thames River east London headed south fuel load 104 US gallons range about 2000 miles 205-hp Gipsy engine Fuel stops made Algeria Mali Gabon Angola racer streaked down east coast Africa day after took off England Henshaw landed Mew Gull Wingfield Aerodrome Cape Town South Africa having flown almost 6000 miles 39 hours 25 minutes including stops very next day headed north arriving back Gravesend February 9 after 39-hour 36-minute trip single-engine single-seat airplane flown almost 12000 miles four days major problem record airplane just much home race course has yet broken After race London Isle Man spring 1939 Alex Henshaw became too busy testing Spitfires Vickers forced sell beloved Mew Gull Victor Vermorel took home France time German invasion airplane 116 Model Aviation secretof success Mew Gull anytruly efficientairplane isthe great attention paid streamlining detail work such fairings close control fits dismantled hidden under potato sacks some new Villefranche-sur-Saone through war Germans searched Germans finally chased back belonged Mew Gull recovered surprisingly good condition Vermorel put back together flew briefly before being killed crash another airplane Ownership passed Jean Drapier moved Lyon France 1947 did little else July 1950 found Hugh Scrope executive Vickers talked late Doug Bianchi Englands great airplane builders restorers characters getting back home Bianchi some associates put flying condition whereupon Scrope somehow flew back across channel despite limited flying experience confusion about way propeller pitch lever moved prevented Scrope making trip airplane completely overhauled Bianchis Personal Plane Services short order entered Daily Express Race same summer though its performance cant found records nextyear entered Kings Cup Race combination bad weather government red tape resulted race being cancelled August 195 1 Scrope put Mew Gull ditch Shoreham Airport during practice race did extensive damage wasnt until 1953 Mew Gull re appeared racing twice year no great success sold experienced racepilot Fred Dunkerly proceeded still modificaitons once-classic lines airplane bubble canopy improve visibility Henshaw sacrificed speed Peter Clifford raced once 1954 several times 1955which first full season EXF since 1938 Clifford won two heats Society British Aircraft Constructors SBAC Cup 192 mph 196 mph Baginton Aerodrome near Coventry won 1955 Kings Cup Race 2135 mph 17 years since Alex Henshaw done same since Mew Gull gone through war several accidents modifications paid off despite amazing odds old champion made comeback After sitting Out 1956 season Clifford Mew returned action winning Norton Griffiths Trophy 201 mph placing fourth 1957 Kings Cup Race 216 mph though speed better won Kings Cup two years before couldnt win time because handicappers caught up him forced him wait longer starting line Thats way handicap racing show em fast respond increasing handicap 1958 Peter Clifford flew Mew Gull National Air Races winning Air League Challenge Trophy 203 mph its reputation re-earned airplane vanished competition next seven years until May 1965 seen again placing well down list starters Manx Air Derby About three months later during practice another race Mew Gull ejected connecting rod through side its engine badly damaged forced landing followed passed through several owners during late 1 960s finally being acquired socalled restoration expert sawed off its wings preparation who-knows-what 1969 seen author terrible shape Mew Gull yours truly little pile junk sitting puddle water hangar seemed little chance NORTHERN CALIFORNIAS LARGESTN DISCOUNT HOBBY SHOPI I well FUELyoU increased power engine lifeI Highest quality ingredients Deteroent action cut varnish I II II II II II II II II II II II HOURS Monday thru Wednesday 930-630 Thursday & Friday 930-800I 3m inm Saturday 930-600 Sunday 1200-500J QUICK N EASY4/ PATTERN PLANS Can Cut & Assembled Evening No Measuring NeadadlI TOOLS NEEDED TO BUILD Jig SawTrace DrillCut HammerAssemble DESIGNED TO HOLD Fuel tank s Starter Battery Fuse Hold adjl Tools etc Legs Removable 21 x 12 x 39 -up Flight Box $398 Send SELECT A - PRODUCTS 550 E Lincoln Pomona Calif 91767 NO MORE SORE BACKS OR KNEESIII Rising Star Giant Scale Engines $ 189~ Shipping Paid Pre-paid Orders f i Chrome Moly Crank Rod * Ball Bearings throughout Enqines avail immed del ROUSH MFG PO Box 251 Sandyville OH 44671 866-9462 484-4374 February 1981 117 Kb ritz 1 YEAR WARRANTY WARRANTY OR SERVICE WORK CAN BE DONE BY ROUSH MFO OR BY YOUR NEAREST ECHO-KIORITZ PRODUCTS DEALER * 244 Cu inch disp r 32 horsepower * Weight 65 lb DEALER INQUIRIES WELCOME once-proud craft would ever again look like airplane let alone fly should never underestimate ambi tion blind optimism vintage airplane fan 1972 remaines Mew Gull purchased Formula race-pilot/builder Tom Storey Martin Barraclough long expensive process making something out almost nothing begun hard draw distinct line between restoring wreck ends building entirely new airplane begins project must surely have straddled such line six years worked replacing rotten old wood strong new wood replacing cracked discolored plexiglass clear new panels installing new controls instruments other parts make new Mew Gull look like first raced last April 16 1978 Mew Gull took off Redhill Aerodrome home Tiger Club first time 13 years Percival Mew Gull English skies Two months later Mew Gull performed Old Warden showing off its famous lines thousands appreciative fans zoomed just few feet above grass runway roared through steeply banked pylon turns No longer did lovers old-time racing have use imaginations reading Mew Gulls exploits look listen past become present wasnt jut nostalgia Later season Thruxton Tom Storey climbed roomy cockpit buckled up waited starter swing little green flag race time again Forty-one years after Alex Henshaw first raced EXF Kings Cup Tom Storey did same didnt win could because handicapper good memory amazing speeds airplane clocked Kings Cup Races long ago Mew Gull raced again. will race yet again what Edgar Percival meant words late Doug Bianchi just goes show aeroplane comes good family properly brought up have good chance getting home piece Mew Gull G-AEXF once piece lovely piece sincere thanks priceless research Maurice Marsh Air Racing Specialist Air Britain International Society Aviation Historians Super Voodoo/Jo Continued page 42 control Trim line rake Proper line rake has computed via formula flight-adjusted minimum aircraft speed 90 mph build line rake 120-mph speeds will suffer decreased line tension soon plane lifts off streamer full streamer can slow down Fast Combat plane almost 10 mph build excessive line rake will waste engine efficiency directing power outwards Proper line rake computed 90-mph minimum Combat speed because observa tions five Nationals date varying contest locales observed under average atmospheric conditions top Combat fliers usually turning 90-100 mph Under ideal atmospheric conditions same fliers upped speeds 100-110 mph region Poor atmospheric conditions dropped speeds 80-90 mph range flights full streamer flights accurately timed data little interpolation can see selected 90 mph minimum Combat speed compute line rake Before go next area trim heres tip use find true air speed Combat plane flying absolutely level Step 1 Note angle between lines ground Step 2 Look up cosine angle multiply apparent speed plane get true speed Example clocked plane flying 45 degrees planes apparent speed 100 mph speed charts assume plane remains level during clocking case plane wasnt level its chart speed true speed apparent speed get true speed multiply cosine angle plane flying cosine 45 degrees 707 apparent speed 100 mph l00times 707 equals 707 mph true speed plane flying 25 degrees cosine 25 degrees 906 true air speed would 100 times 906 906 mph cosine values used examples two popular angles Combat pilots cruise planes waiting opponents become airborne cosine values 45- 25-degree angles can rounded off 7 9 respectively easy multiplica tion less 1% error true air speed Memorization two angles values could future use contest field Trim wing offset Because outboard wing travels faster inboard wing lift center Control Line aircraft same its geometric center proper amount wing offset trim needed Super Voodoo precisely calculated found 118 Mode Aviation
Edition: Model Aviation - 1981/02
Page Numbers: 62, 63, 64, 65, 66, 116, 117, 118
NO OCR TEXT NO OCR TEXT -AEiT WAS NEASUD hV FS GRATEfUL 7AASS ARE OLE TO MR Tf STORE WNO ALSO MADE AIdAILABLE RECONSTRUCTION DRAMNGS MR ALEX NENSMAW I0 SCPFLIED DETAILS V8 7CA77ONS LW PERCIVAL SE O-OPERA71ON WAS INDISPENSABLE BLAO PITOT TUBE VARIATIONS E TiNES GIVEN SCALE RATIER TRADE MARK S TINE S GIVEN SCALE 6AN RACES 1937 KINGS WPREE SELECTION RACING M9mDqs SIS NOT COMPLETE APEFL 193 R71GI CIJP RACE VEN77LAT7ON EAG0 LEFT SIDE CAIV LVRANGED IRDII 1935 A7FAVS CLP ESSEX AERD REMOVED AFTER CAPE fLIGHT CI6ACf-SCf-I IT 1/ 7/ BLLE RED WHITE \CAPE ILIGMT OALV / \ I o_L-AEXF Ij YSIXR ROPELLER OMSSNAL CAIV DECKING RETAINED RAI7ER ELLER fITTED UNTIL AFTER MAN RACES WINGSRAN94 3OVERALL LENGTH WING AREASB ft2 STABILIZER -- --74 V WHEEL TiACK5- oWITH Dh LLER-*OU EPATV hC 0936 - fl5Q RA77ERy* PROPELLER SENLESINGER -LOADED 4CDNT3E- S1Ib WITH GIPSYSIX ft- 0939- -9h t93Owl WITH GiPS sIXS DR ELLER LANDING AR SNEWH UNDER NO LOAD IN ALL WEWS FOR 1935 KiNGS OL OLED LEGS STRAPPED UP WIIH MIGN-TENSILE CABLE SITENEO BYAPPROI 3 REAR BLADES IS MATT BLACK ESTIMATED FIGURES QQ81 OVERALL fINISMWHITI ZSAMN REGISTRATION NAMES ON COWIJNG GAOcT REGaTRATIce IBRITISM WI14STAB1LIZER TiPS WNG NUNBER___ WCKPITINTERIOR4M77 LIGHTS PROPELLERS SPIIINER -- ISHEDOUP 5BR1775M RACING WDIe LV DARK OfTEN APPEARS BLAt OCOOVAt ASVA*AT UfT ROOVENOP PlACE SKYJURO IVAL EMBLEM DII FIN 01 THREETWELVE TIMES GIVEN SCALE FRAMES ARE CR4 NNELS REAR CLV CF3A Cf Si1 RATlER ELECTRICDR*p PROPELLER ELLER1935 ATNGS CUP 1939 CAPE IL IGMT -SECTION Cf-I- BLACKRRI TANK/COOLER CGAAINTEO OIL 4 r GIPSY 501 SERIES 2V AL 64 Model Aviation 1937 ISLE MAN RACES SPAR PLAM 144SE %6 JAB EDGES RIB P4P1 ItAP RIBS BRIGS OER flAPS ma pgyioo SPAR WEBS NOSE RIBS GUSSETS RING c~F RUDDER MASS BAL.,4 BRAKE CABLEFLEL TANK WING SECT/ONATAIBt 211 frau D 4 THICKNESS vs. MAX CAMBER AT o7 APPRO AILERON HINGE 7ZZZ7 DURAL SHROUD WING SECtION ATRIB II 29kdowV frsi tip aKIRD 34 THICANESS P1367. NAC CAMBER AT 377 LAID OUT WITH TIP CHORD ATa 77lICKPS OI 57 DHEORAL IN PLANE 0 CHORD IS 3j AT 307. 11MB SEC77OIG ARE TWICE GIVEN SCALE EATENDED 05177ON ACTABLE VENTURI A t41l~ VTLINES ARE ~iflAfr RASH-PADS& aVG IN-RETRACTABLE VENTUI DE COCA WITARE BLACK1937 & THEREAFTER WE TRIM CONTROL WI-PEEL DETALS ABOVE ARE THREE TINES GIVEN SCALE OU 7XED BEHIND ICCTANWR XJT OUT IN COWL F- TTT AILERON MASS BALANCE BALA1CE DETALS ARE TWICE GIVEN SCALE STRIPS RIVETED TO 77NBER IWANES 7WILAR INTFRN4L SUPPOA7S SUPIBLIAC NAWGA77ON LIGH7S I7TTED FOR SCHLESINGER RACE ONLV / QELEVATOR TRIM HORN .77E lINES GIVEN SC4LE IIIB7NLIMENTOR PANELCOA9SE TWICE GIVEN SCALE21 BLACK OVERAW NEEDLE MARKINGS IN WIWTTHROTTLE LALTITUDE K SKID PIIIDT POSE COWL ELLER 7 ELEVATIOM PLANS FRONT VIEW Fl-POW VERSION WITH RA77ER ELLER IOR l9 SChLESINGER RACE NVER7rD PLAN WITH ASSCCM7rD HOSE E7ILS SHOwS G-AEXFAS FLOWN WITH FAIRE V-REED flXED -MTEH ROPEL LEA I* 3 4 a*lOft MODEL AVIATION SCALE LLLi PERCIVAL E211 / I~I MEW GULL uary 1981 65 RUDDER HORN flIRING INTERNAL DETAIL APROPG D FUEL TANKS COOLING OIL BAtTLE ii3F-S - -6F-F-BF-p / III THE Mew Gull waits its stark white wings fuselage gleaming clear English sun Minutes go minutes still other airplanes flagged off Around long pylon-marked course rush piling up laps Mew Gull waits Finally after impossibly long time starter faces Mew Gulls pilot raises little green flag snaps smartly down Mew Gull accelerates briskly along neatly clipped grass runway skips couple times eases air begin its chase slower airplanes typical English handicap race latest long wait has ended its throttle familiar position allthe-way-forward sleek wooden airplane its 210-hp deHavilland Gipsy Queen straightsix charges over gentle countryside low air traffic rules common sense will allow time passes Austers Chip munks Cessnas Tiger Moths taken off minutes before Little little makes up time lost slower airplanes got carefully calculated starting advantages As last few laps long American standards pylon course pass beneath its slim tapered wings Mew Gull steadily moves up leader no few hundred yards race left passes alongside storms first place finish line comes view Now down hedge-hopping height Mew Gull its element streaking better 200 mph across aerodrome leaving ordinary airplanes its slipstream Its yet another win Percival Mew Gull G-AEXF Yet another chapter story began 1936 interrupted war some crashes just seems keep going story worlds senior racing airplanes quite possibly senior worlds engine-driven racing machinery what race car boat motorcycle has action 43 years still can win As race-planes go hardly famous Granville brothers GeeBees two famous heaps rubble barely year after first flew Mew Gull same sort screaming speed demon GeeBee its famous rivals yet some 200 hp could manage 250 mph straight level Mew Gull sure meant different kind racing short-course pylon events GeeBees excelled during brief lives Racing Europe 1 930s two kinds long-distance handicap though often combined first events like 1934 Robertson Race England Australia latter form pylon race over long courses great variety types airplanes once continues today differences speed balanced out handicapped starts races 30s ranged several laps 20-mile course round Britain races 1000 miles both types races Mew Gull all-time best British avia tion enthusiast remains airplanes brings forth great waves emotion like Spitfire Mosquito like two classic flying machines outstand ing its special line work among beautiful airplanes air Moreover first appeared Mew Gull faster active RAF fighter close prototype monoplanes would soon make news like Hawker Hurricane six Percival P6 Mew Gulls built firstG-ACNDflew March 22 1934 average 191 mph 800-mi Kings Cup Race less four months later piloted designer Edgar W Percival other race before being written off wrecked October much improved proto type followed also called G-ACND July 1935 won 1000-mi race Deauville France Cannes back average speed 188 mph 180-hp Regnier engine Edgar Percival flew 1935 Kings Cup Race won race London Cardiff Wales 218 mph Only three months after its first race second Mew Gull lost during Michelin Cup Race France its pilot got lost fog over mountains wisely bailed out first production Mew GullG-AEKL Continued page 116 66 Model Aviation Evenj airplane belongs air Despite great historical significance Mew Gull its rarity flown regularly air displays handicap pylon races long sleek nose Mew Gull houses 200-hp 6-cylinder Gipsy engine much like hummed smoothly entire 12000 miles South Africa back 1g39 hours Curing will slow because evaporation restricted entirely dry carefully separate lami nate form inner layer damaged should now have light strong piece has raw edges strips glue squeeze-out occurred Fine sandpaperplaced face-up apiece plate ass makes convenient truing surface care alignment lay-up -in strips will yield finished 7/16-in piece slicing least two identical parts way divide curved stock set up razor saw spacer blocks shown pictures cut individual identical bows laminate procedure much simpler easier practice description makes appear Safe Flying No Accident Mew Gull/Berliner Continued page 66 made its debut 1936 Kings Cup Race placing 4th 206 mph 200-hp Gipsy Six engine continued race great success rachmg its peak 1937 Kings Cup Charles Gardner flew first place 234 mph second 1938 Kings Cup Race went storage along lot other unwarlike craft start Second World War German bombing raid Lympne Aero drome June 1940 speeded end Mew Gull third production airplaneG-AEMO appeared ZS-AHO Baragwanath Schle singer Race England South Africa September 1936 Capt S S Halse flew hard led far Salisbury Rhodesia overturned after hitting ant hill landing airplane badly damaged last reported around 1951 terrible condition Johannesburg South Africa last Mew Gulls G-AFAA raced great speed limited compe titive success form 1937 1939 Its best per formance 1937 Kings Cup Race Edgar Percival placed third 239 mph Shortly after end war burned cinders makers movie needed simulate accident Luton Airport north London brings us second production Percival Mew Gull G-AEXF ZS AHM Golden City also began its career Schlesinger Race September 1936 unlike its less fortunate brothers has simply refused quit Its first race far historic suffered engine damage refueled low-grade gasoline quit Belgrade Yugo slavia sold William Humble soon passed Alex Henshaw shining lights British pre-war air racing hands Henshaw EXF made headlines history 1937 Henshaw raced Mew Gull seven times never averaging less 200 mph though won race 1938 Henshaw Mew rare combination second 200-mile race London Isle Man 248 mph third Manx Air Derby relatively short-course race 239 mph period extensive modifications made Jack Cross aimed upping its speed stretching its range canopy lowered spats wheel pants tightened cowl spinner streamlined aid extended crankshaft variable-pitch pro peller added first really major achievement Henshaw Mew Gull came Hatfield Aerodrome just north London July 2 1938 won Kings Cup Race 2363 mph winning speed has yet topped winning British airplane some later races Mew powered 225-hp Gipsy engine taken famous deHavilland Comet racers Grosvenor House short races really what Mew Gull designed win spacious cockpit good stability handling characteris tics large fuel capacity meant longdistance races record attempts 1939 showed its stuff February 5 Alex Henshaw took off Gravesend along Thames River east London headed south fuel load 104 US gallons range about 2000 miles 205-hp Gipsy engine Fuel stops made Algeria Mali Gabon Angola racer streaked down east coast Africa day after took off England Henshaw landed Mew Gull Wingfield Aerodrome Cape Town South Africa having flown almost 6000 miles 39 hours 25 minutes including stops very next day headed north arriving back Gravesend February 9 after 39-hour 36-minute trip single-engine single-seat airplane flown almost 12000 miles four days major problem record airplane just much home race course has yet broken After race London Isle Man spring 1939 Alex Henshaw became too busy testing Spitfires Vickers forced sell beloved Mew Gull Victor Vermorel took home France time German invasion airplane 116 Model Aviation secretof success Mew Gull anytruly efficientairplane isthe great attention paid streamlining detail work such fairings close control fits dismantled hidden under potato sacks some new Villefranche-sur-Saone through war Germans searched Germans finally chased back belonged Mew Gull recovered surprisingly good condition Vermorel put back together flew briefly before being killed crash another airplane Ownership passed Jean Drapier moved Lyon France 1947 did little else July 1950 found Hugh Scrope executive Vickers talked late Doug Bianchi Englands great airplane builders restorers characters getting back home Bianchi some associates put flying condition whereupon Scrope somehow flew back across channel despite limited flying experience confusion about way propeller pitch lever moved prevented Scrope making trip airplane completely overhauled Bianchis Personal Plane Services short order entered Daily Express Race same summer though its performance cant found records nextyear entered Kings Cup Race combination bad weather government red tape resulted race being cancelled August 195 1 Scrope put Mew Gull ditch Shoreham Airport during practice race did extensive damage wasnt until 1953 Mew Gull re appeared racing twice year no great success sold experienced racepilot Fred Dunkerly proceeded still modificaitons once-classic lines airplane bubble canopy improve visibility Henshaw sacrificed speed Peter Clifford raced once 1954 several times 1955which first full season EXF since 1938 Clifford won two heats Society British Aircraft Constructors SBAC Cup 192 mph 196 mph Baginton Aerodrome near Coventry won 1955 Kings Cup Race 2135 mph 17 years since Alex Henshaw done same since Mew Gull gone through war several accidents modifications paid off despite amazing odds old champion made comeback After sitting Out 1956 season Clifford Mew returned action winning Norton Griffiths Trophy 201 mph placing fourth 1957 Kings Cup Race 216 mph though speed better won Kings Cup two years before couldnt win time because handicappers caught up him forced him wait longer starting line Thats way handicap racing show em fast respond increasing handicap 1958 Peter Clifford flew Mew Gull National Air Races winning Air League Challenge Trophy 203 mph its reputation re-earned airplane vanished competition next seven years until May 1965 seen again placing well down list starters Manx Air Derby About three months later during practice another race Mew Gull ejected connecting rod through side its engine badly damaged forced landing followed passed through several owners during late 1 960s finally being acquired socalled restoration expert sawed off its wings preparation who-knows-what 1969 seen author terrible shape Mew Gull yours truly little pile junk sitting puddle water hangar seemed little chance NORTHERN CALIFORNIAS LARGESTN DISCOUNT HOBBY SHOPI I well FUELyoU increased power engine lifeI Highest quality ingredients Deteroent action cut varnish I II II II II II II II II II II II HOURS Monday thru Wednesday 930-630 Thursday & Friday 930-800I 3m inm Saturday 930-600 Sunday 1200-500J QUICK N EASY4/ PATTERN PLANS Can Cut & Assembled Evening No Measuring NeadadlI TOOLS NEEDED TO BUILD Jig SawTrace DrillCut HammerAssemble DESIGNED TO HOLD Fuel tank s Starter Battery Fuse Hold adjl Tools etc Legs Removable 21 x 12 x 39 -up Flight Box $398 Send SELECT A - PRODUCTS 550 E Lincoln Pomona Calif 91767 NO MORE SORE BACKS OR KNEESIII Rising Star Giant Scale Engines $ 189~ Shipping Paid Pre-paid Orders f i Chrome Moly Crank Rod * Ball Bearings throughout Enqines avail immed del ROUSH MFG PO Box 251 Sandyville OH 44671 866-9462 484-4374 February 1981 117 Kb ritz 1 YEAR WARRANTY WARRANTY OR SERVICE WORK CAN BE DONE BY ROUSH MFO OR BY YOUR NEAREST ECHO-KIORITZ PRODUCTS DEALER * 244 Cu inch disp r 32 horsepower * Weight 65 lb DEALER INQUIRIES WELCOME once-proud craft would ever again look like airplane let alone fly should never underestimate ambi tion blind optimism vintage airplane fan 1972 remaines Mew Gull purchased Formula race-pilot/builder Tom Storey Martin Barraclough long expensive process making something out almost nothing begun hard draw distinct line between restoring wreck ends building entirely new airplane begins project must surely have straddled such line six years worked replacing rotten old wood strong new wood replacing cracked discolored plexiglass clear new panels installing new controls instruments other parts make new Mew Gull look like first raced last April 16 1978 Mew Gull took off Redhill Aerodrome home Tiger Club first time 13 years Percival Mew Gull English skies Two months later Mew Gull performed Old Warden showing off its famous lines thousands appreciative fans zoomed just few feet above grass runway roared through steeply banked pylon turns No longer did lovers old-time racing have use imaginations reading Mew Gulls exploits look listen past become present wasnt jut nostalgia Later season Thruxton Tom Storey climbed roomy cockpit buckled up waited starter swing little green flag race time again Forty-one years after Alex Henshaw first raced EXF Kings Cup Tom Storey did same didnt win could because handicapper good memory amazing speeds airplane clocked Kings Cup Races long ago Mew Gull raced again. will race yet again what Edgar Percival meant words late Doug Bianchi just goes show aeroplane comes good family properly brought up have good chance getting home piece Mew Gull G-AEXF once piece lovely piece sincere thanks priceless research Maurice Marsh Air Racing Specialist Air Britain International Society Aviation Historians Super Voodoo/Jo Continued page 42 control Trim line rake Proper line rake has computed via formula flight-adjusted minimum aircraft speed 90 mph build line rake 120-mph speeds will suffer decreased line tension soon plane lifts off streamer full streamer can slow down Fast Combat plane almost 10 mph build excessive line rake will waste engine efficiency directing power outwards Proper line rake computed 90-mph minimum Combat speed because observa tions five Nationals date varying contest locales observed under average atmospheric conditions top Combat fliers usually turning 90-100 mph Under ideal atmospheric conditions same fliers upped speeds 100-110 mph region Poor atmospheric conditions dropped speeds 80-90 mph range flights full streamer flights accurately timed data little interpolation can see selected 90 mph minimum Combat speed compute line rake Before go next area trim heres tip use find true air speed Combat plane flying absolutely level Step 1 Note angle between lines ground Step 2 Look up cosine angle multiply apparent speed plane get true speed Example clocked plane flying 45 degrees planes apparent speed 100 mph speed charts assume plane remains level during clocking case plane wasnt level its chart speed true speed apparent speed get true speed multiply cosine angle plane flying cosine 45 degrees 707 apparent speed 100 mph l00times 707 equals 707 mph true speed plane flying 25 degrees cosine 25 degrees 906 true air speed would 100 times 906 906 mph cosine values used examples two popular angles Combat pilots cruise planes waiting opponents become airborne cosine values 45- 25-degree angles can rounded off 7 9 respectively easy multiplica tion less 1% error true air speed Memorization two angles values could future use contest field Trim wing offset Because outboard wing travels faster inboard wing lift center Control Line aircraft same its geometric center proper amount wing offset trim needed Super Voodoo precisely calculated found 118 Mode Aviation