With good setup laminating curves wing stabilizer tips rudders formers isnt tough alland results look better stronger CURVED OUTLINES rudders wing tips former rings can laminated easily good laminated wing tip bow will look better add strength wing save weight isnt hard go right fact going right important principles task youre going build models regularly should tool-up make laminated curved parts investment time materials small compared building speed quality will continue derive tooling Gluing done Titebond Sig bond equal first requirement good form An ordi nary scrap -in board -in ply will just fine After tracing wing tip rudder what ever onto cardboard pattern mark second 38 Model Aviation parts cut out U Ned Kragness great variety shapes can laminated method course new form needs made contour wanted Forms quickly made jigsaw sanding block Drawing showsthe authors laminating setup minus vise hold form weightto pull free end aluminum striptight againstthe multi layered glued laminate Shape form marked tip actual shape part made less thickness laminate Everything together before laminating beginsfinished form alumi num strip balsa strips size aliphatic resin glue Balsa strips soaked water before glue applied prior laminating line inside outer curve allow thickness finished laminate 1/12thscale models 3/16-in about right allowing six seven strips 1/32 balsa Include part cardboard pattern overrun continuation tip curve leading trailing edges allow some laminated stock joining conventional structure Cement pattern piece -in thicker scrap wood jigsaw just outside inner pattern line leaving enough extra wood allow sanding smooth contour Now leaving much tip contour overrun can pilot-drill 3/16-in wood screw strip retainer will need -in wide flexible metal strips wood sheet metal screws metal strips made aluminum clothes-dryer duct section ducts inexpensive avail able everywhere easy cut material very flexible takes cut strips smoothly old X-Acto blade industrial knife metal yardstick crimped end folded edge duct cut away first leaving curved plain sheet Cut half sheet -in strips repeated passes blade along straightedge other side sheet shows definite raised bead along line fold back forth until strip breaks away Fold end back itself about inch drill through doubled end either 3/16- -in Continued page 112 February 1981 39 Clothes-dryer ducting good material aluminum strip holds laminate shape glue drying metal yardstick X-Acto knife used cut strips wide form thickness left authors setup applying 15-20 lbs pull free end aluminum strip keep thin balsa strips ot laminate place until glue dries Note supplemental rubberbands Mostworkshops have something can used dothe job Right laminate comes off form before finishing Record vital data store forms re-use want build second third model Heres good way cutthe laminate after truing edges two identical pans Uses razer-saw blocked-up proper height clamped convenient base instance piece cut moved against saw instead other way around ~514E NEW FOURMOST PRODUCTS Fuselage Fixture TI. FOURMOST FUSELAGE FIXTURE designed Aof.oftIIy abgn fuselage structures built strings measuring eyeballing Simply slide four centering brack ets track until align firewall tail joint two bulkheads Clamp fuuelsge together lightly rubber bands structure will straight track oonmodoOraota. ap atf. Bomb Release yeurscnst Soteb Its necha nitec tiotple ligheweipht ideal far fly eceeta tbe isis tour plane provided attach sprite latch thread connect throttle roddee servo Corrotios prohiew acm scolded ef nylon end g tewinleet tot UNit werOnt Ip,ce FOURMOST PRODUCTS 503 357-2732 4040 24th Ave Forest Grove OR 97116 990 sq 688 sq ft weight would have 5-to 7lb range 12 17 oz per sq ft would built-up light order fly slowly would much prefer use one-piece wing barely transportable seven feet have attachment mess two panels Other things would include inverted engine glow plug batery dummy cylinders dual aileron servos etc Questions 1 think size right engine 2 What weight wing loading range best type scale 3 have other suggestions about project Some early four-stroke engines problem keeping valve clearances adjusted As result always equal task carrying aloft 7-or 8-lb model understanding materials being used today changed avoid problem memory serves correctly soft rocker antis have seen engines recently being used fly models 8-lb range consistently good results need readjustment valve clearances type flight indicated little no wind 7-lb weight 17 oz per sq ft loading would acceptable real problem would keeping weight down figure could done careful selection materials using lightweight finish covering heavy paint job can really add pounds on-board glow plug battery may weighty luxury could omitted have never seen Piper Cub model one-piece wing could considered scale-like appearance because wind shield such prominent feature full windshield used one-piece wing becomes vulnerable damage one-piece wing may desirable small model because difficulty getting hands inside fuselage fastening would required two-piece construction real advantage one-piece wing use single servo center section pushrods extending ailerons size suggested think two-piece wing preferable especially since mentioned dual servos would employed assume means servo wing suggestion would two wing halves functional struts prototype wings plugged slots fuselage single machine screw fastening half have seen done Pipers past know successful method preserves scale appearance possible consider tipping engine away vertical inverted mounting100 would sufficientto avoid problems starting due drowned glow plug common sight model meets see two-man team holding model inverted get engine started Flipping model over engine running always seems hazardous slight angle tends place wet fuel away plug flooded engine Very likely will using muffler because four-stroke engines inherently quiet Should muffler needed angle mounting helps concealing muffler inside cowl Another solution model Super Cub rather J-3 has full cowl engine can sidemounted cowl weighs bit compensated omission dummy cylinders January 80 column photo Super Cub model Bob Dolly Wischer Rt 1 S-221 Lapham Peak Road Delafleld WI 53018 Laminate Curves/Kragness Continued page 39 Find wood screw sheet metal screw attach strap overrun part wooden form Let strap have -in freedom screw shank under head whatever thick ness laminated piece will need make arrangement put 10-15 pounds pull free end strap clamp form bench vise hang weights strap Make setup before proceeding laminate also cover form edge cellophane tapeor masking tapeto allow separating cured laminate form individual laminate strips should same width form block thickness slightly over-length Balsa should straightgrain quarter-sawed Also can softer stock youd like finished part because adhesive will penetrate partially saturate wood fibersadding strength hardness strips spare two prepared aliphatic resin glue hand Sigbond Titebond etc soak strips water mop excess water away apply glue make up stack Check surfaces coated over voids wanted Get layers aligned well Place stack form end near screw slowly pull strap around form considerable tension coming down progressively glued stack Apply ten sioning arrangement let glue set 24 Continued page 116 112 Model Aviation Tatone Makes Easy Established 1956 Tatone has invented de signed over 300 specialized model airplane ac cessories often imitated never equalled q Watch new itwns Tatone products available leading hobby shops See dealer first convenient R DIRECT Send SOC illustrated price information COD VISA MASTER CHARGE gJ II SD 1 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
Edition: Model Aviation - 1981/02
Page Numbers: 38, 39, 112, 116
Edition: Model Aviation - 1981/02
Page Numbers: 38, 39, 112, 116
With good setup laminating curves wing stabilizer tips rudders formers isnt tough alland results look better stronger CURVED OUTLINES rudders wing tips former rings can laminated easily good laminated wing tip bow will look better add strength wing save weight isnt hard go right fact going right important principles task youre going build models regularly should tool-up make laminated curved parts investment time materials small compared building speed quality will continue derive tooling Gluing done Titebond Sig bond equal first requirement good form An ordi nary scrap -in board -in ply will just fine After tracing wing tip rudder what ever onto cardboard pattern mark second 38 Model Aviation parts cut out U Ned Kragness great variety shapes can laminated method course new form needs made contour wanted Forms quickly made jigsaw sanding block Drawing showsthe authors laminating setup minus vise hold form weightto pull free end aluminum striptight againstthe multi layered glued laminate Shape form marked tip actual shape part made less thickness laminate Everything together before laminating beginsfinished form alumi num strip balsa strips size aliphatic resin glue Balsa strips soaked water before glue applied prior laminating line inside outer curve allow thickness finished laminate 1/12thscale models 3/16-in about right allowing six seven strips 1/32 balsa Include part cardboard pattern overrun continuation tip curve leading trailing edges allow some laminated stock joining conventional structure Cement pattern piece -in thicker scrap wood jigsaw just outside inner pattern line leaving enough extra wood allow sanding smooth contour Now leaving much tip contour overrun can pilot-drill 3/16-in wood screw strip retainer will need -in wide flexible metal strips wood sheet metal screws metal strips made aluminum clothes-dryer duct section ducts inexpensive avail able everywhere easy cut material very flexible takes cut strips smoothly old X-Acto blade industrial knife metal yardstick crimped end folded edge duct cut away first leaving curved plain sheet Cut half sheet -in strips repeated passes blade along straightedge other side sheet shows definite raised bead along line fold back forth until strip breaks away Fold end back itself about inch drill through doubled end either 3/16- -in Continued page 112 February 1981 39 Clothes-dryer ducting good material aluminum strip holds laminate shape glue drying metal yardstick X-Acto knife used cut strips wide form thickness left authors setup applying 15-20 lbs pull free end aluminum strip keep thin balsa strips ot laminate place until glue dries Note supplemental rubberbands Mostworkshops have something can used dothe job Right laminate comes off form before finishing Record vital data store forms re-use want build second third model Heres good way cutthe laminate after truing edges two identical pans Uses razer-saw blocked-up proper height clamped convenient base instance piece cut moved against saw instead other way around ~514E NEW FOURMOST PRODUCTS Fuselage Fixture TI. FOURMOST FUSELAGE FIXTURE designed Aof.oftIIy abgn fuselage structures built strings measuring eyeballing Simply slide four centering brack ets track until align firewall tail joint two bulkheads Clamp fuuelsge together lightly rubber bands structure will straight track oonmodoOraota. ap atf. Bomb Release yeurscnst Soteb Its necha nitec tiotple ligheweipht ideal far fly eceeta tbe isis tour plane provided attach sprite latch thread connect throttle roddee servo Corrotios prohiew acm scolded ef nylon end g tewinleet tot UNit werOnt Ip,ce FOURMOST PRODUCTS 503 357-2732 4040 24th Ave Forest Grove OR 97116 990 sq 688 sq ft weight would have 5-to 7lb range 12 17 oz per sq ft would built-up light order fly slowly would much prefer use one-piece wing barely transportable seven feet have attachment mess two panels Other things would include inverted engine glow plug batery dummy cylinders dual aileron servos etc Questions 1 think size right engine 2 What weight wing loading range best type scale 3 have other suggestions about project Some early four-stroke engines problem keeping valve clearances adjusted As result always equal task carrying aloft 7-or 8-lb model understanding materials being used today changed avoid problem memory serves correctly soft rocker antis have seen engines recently being used fly models 8-lb range consistently good results need readjustment valve clearances type flight indicated little no wind 7-lb weight 17 oz per sq ft loading would acceptable real problem would keeping weight down figure could done careful selection materials using lightweight finish covering heavy paint job can really add pounds on-board glow plug battery may weighty luxury could omitted have never seen Piper Cub model one-piece wing could considered scale-like appearance because wind shield such prominent feature full windshield used one-piece wing becomes vulnerable damage one-piece wing may desirable small model because difficulty getting hands inside fuselage fastening would required two-piece construction real advantage one-piece wing use single servo center section pushrods extending ailerons size suggested think two-piece wing preferable especially since mentioned dual servos would employed assume means servo wing suggestion would two wing halves functional struts prototype wings plugged slots fuselage single machine screw fastening half have seen done Pipers past know successful method preserves scale appearance possible consider tipping engine away vertical inverted mounting100 would sufficientto avoid problems starting due drowned glow plug common sight model meets see two-man team holding model inverted get engine started Flipping model over engine running always seems hazardous slight angle tends place wet fuel away plug flooded engine Very likely will using muffler because four-stroke engines inherently quiet Should muffler needed angle mounting helps concealing muffler inside cowl Another solution model Super Cub rather J-3 has full cowl engine can sidemounted cowl weighs bit compensated omission dummy cylinders January 80 column photo Super Cub model Bob Dolly Wischer Rt 1 S-221 Lapham Peak Road Delafleld WI 53018 Laminate Curves/Kragness Continued page 39 Find wood screw sheet metal screw attach strap overrun part wooden form Let strap have -in freedom screw shank under head whatever thick ness laminated piece will need make arrangement put 10-15 pounds pull free end strap clamp form bench vise hang weights strap Make setup before proceeding laminate also cover form edge cellophane tapeor masking tapeto allow separating cured laminate form individual laminate strips should same width form block thickness slightly over-length Balsa should straightgrain quarter-sawed Also can softer stock youd like finished part because adhesive will penetrate partially saturate wood fibersadding strength hardness strips spare two prepared aliphatic resin glue hand Sigbond Titebond etc soak strips water mop excess water away apply glue make up stack Check surfaces coated over voids wanted Get layers aligned well Place stack form end near screw slowly pull strap around form considerable tension coming down progressively glued stack Apply ten sioning arrangement let glue set 24 Continued page 116 112 Model Aviation Tatone Makes Easy Established 1956 Tatone has invented de signed over 300 specialized model airplane ac cessories often imitated never equalled q Watch new itwns Tatone products available leading hobby shops See dealer first convenient R DIRECT Send SOC illustrated price information COD VISA MASTER CHARGE gJ II SD 1 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
Edition: Model Aviation - 1981/02
Page Numbers: 38, 39, 112, 116
With good setup laminating curves wing stabilizer tips rudders formers isnt tough alland results look better stronger CURVED OUTLINES rudders wing tips former rings can laminated easily good laminated wing tip bow will look better add strength wing save weight isnt hard go right fact going right important principles task youre going build models regularly should tool-up make laminated curved parts investment time materials small compared building speed quality will continue derive tooling Gluing done Titebond Sig bond equal first requirement good form An ordi nary scrap -in board -in ply will just fine After tracing wing tip rudder what ever onto cardboard pattern mark second 38 Model Aviation parts cut out U Ned Kragness great variety shapes can laminated method course new form needs made contour wanted Forms quickly made jigsaw sanding block Drawing showsthe authors laminating setup minus vise hold form weightto pull free end aluminum striptight againstthe multi layered glued laminate Shape form marked tip actual shape part made less thickness laminate Everything together before laminating beginsfinished form alumi num strip balsa strips size aliphatic resin glue Balsa strips soaked water before glue applied prior laminating line inside outer curve allow thickness finished laminate 1/12thscale models 3/16-in about right allowing six seven strips 1/32 balsa Include part cardboard pattern overrun continuation tip curve leading trailing edges allow some laminated stock joining conventional structure Cement pattern piece -in thicker scrap wood jigsaw just outside inner pattern line leaving enough extra wood allow sanding smooth contour Now leaving much tip contour overrun can pilot-drill 3/16-in wood screw strip retainer will need -in wide flexible metal strips wood sheet metal screws metal strips made aluminum clothes-dryer duct section ducts inexpensive avail able everywhere easy cut material very flexible takes cut strips smoothly old X-Acto blade industrial knife metal yardstick crimped end folded edge duct cut away first leaving curved plain sheet Cut half sheet -in strips repeated passes blade along straightedge other side sheet shows definite raised bead along line fold back forth until strip breaks away Fold end back itself about inch drill through doubled end either 3/16- -in Continued page 112 February 1981 39 Clothes-dryer ducting good material aluminum strip holds laminate shape glue drying metal yardstick X-Acto knife used cut strips wide form thickness left authors setup applying 15-20 lbs pull free end aluminum strip keep thin balsa strips ot laminate place until glue dries Note supplemental rubberbands Mostworkshops have something can used dothe job Right laminate comes off form before finishing Record vital data store forms re-use want build second third model Heres good way cutthe laminate after truing edges two identical pans Uses razer-saw blocked-up proper height clamped convenient base instance piece cut moved against saw instead other way around ~514E NEW FOURMOST PRODUCTS Fuselage Fixture TI. FOURMOST FUSELAGE FIXTURE designed Aof.oftIIy abgn fuselage structures built strings measuring eyeballing Simply slide four centering brack ets track until align firewall tail joint two bulkheads Clamp fuuelsge together lightly rubber bands structure will straight track oonmodoOraota. ap atf. Bomb Release yeurscnst Soteb Its necha nitec tiotple ligheweipht ideal far fly eceeta tbe isis tour plane provided attach sprite latch thread connect throttle roddee servo Corrotios prohiew acm scolded ef nylon end g tewinleet tot UNit werOnt Ip,ce FOURMOST PRODUCTS 503 357-2732 4040 24th Ave Forest Grove OR 97116 990 sq 688 sq ft weight would have 5-to 7lb range 12 17 oz per sq ft would built-up light order fly slowly would much prefer use one-piece wing barely transportable seven feet have attachment mess two panels Other things would include inverted engine glow plug batery dummy cylinders dual aileron servos etc Questions 1 think size right engine 2 What weight wing loading range best type scale 3 have other suggestions about project Some early four-stroke engines problem keeping valve clearances adjusted As result always equal task carrying aloft 7-or 8-lb model understanding materials being used today changed avoid problem memory serves correctly soft rocker antis have seen engines recently being used fly models 8-lb range consistently good results need readjustment valve clearances type flight indicated little no wind 7-lb weight 17 oz per sq ft loading would acceptable real problem would keeping weight down figure could done careful selection materials using lightweight finish covering heavy paint job can really add pounds on-board glow plug battery may weighty luxury could omitted have never seen Piper Cub model one-piece wing could considered scale-like appearance because wind shield such prominent feature full windshield used one-piece wing becomes vulnerable damage one-piece wing may desirable small model because difficulty getting hands inside fuselage fastening would required two-piece construction real advantage one-piece wing use single servo center section pushrods extending ailerons size suggested think two-piece wing preferable especially since mentioned dual servos would employed assume means servo wing suggestion would two wing halves functional struts prototype wings plugged slots fuselage single machine screw fastening half have seen done Pipers past know successful method preserves scale appearance possible consider tipping engine away vertical inverted mounting100 would sufficientto avoid problems starting due drowned glow plug common sight model meets see two-man team holding model inverted get engine started Flipping model over engine running always seems hazardous slight angle tends place wet fuel away plug flooded engine Very likely will using muffler because four-stroke engines inherently quiet Should muffler needed angle mounting helps concealing muffler inside cowl Another solution model Super Cub rather J-3 has full cowl engine can sidemounted cowl weighs bit compensated omission dummy cylinders January 80 column photo Super Cub model Bob Dolly Wischer Rt 1 S-221 Lapham Peak Road Delafleld WI 53018 Laminate Curves/Kragness Continued page 39 Find wood screw sheet metal screw attach strap overrun part wooden form Let strap have -in freedom screw shank under head whatever thick ness laminated piece will need make arrangement put 10-15 pounds pull free end strap clamp form bench vise hang weights strap Make setup before proceeding laminate also cover form edge cellophane tapeor masking tapeto allow separating cured laminate form individual laminate strips should same width form block thickness slightly over-length Balsa should straightgrain quarter-sawed Also can softer stock youd like finished part because adhesive will penetrate partially saturate wood fibersadding strength hardness strips spare two prepared aliphatic resin glue hand Sigbond Titebond etc soak strips water mop excess water away apply glue make up stack Check surfaces coated over voids wanted Get layers aligned well Place stack form end near screw slowly pull strap around form considerable tension coming down progressively glued stack Apply ten sioning arrangement let glue set 24 Continued page 116 112 Model Aviation Tatone Makes Easy Established 1956 Tatone has invented de signed over 300 specialized model airplane ac cessories often imitated never equalled q Watch new itwns Tatone products available leading hobby shops See dealer first convenient R DIRECT Send SOC illustrated price information COD VISA MASTER CHARGE gJ II SD 1 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
Edition: Model Aviation - 1981/02
Page Numbers: 38, 39, 112, 116
With good setup laminating curves wing stabilizer tips rudders formers isnt tough alland results look better stronger CURVED OUTLINES rudders wing tips former rings can laminated easily good laminated wing tip bow will look better add strength wing save weight isnt hard go right fact going right important principles task youre going build models regularly should tool-up make laminated curved parts investment time materials small compared building speed quality will continue derive tooling Gluing done Titebond Sig bond equal first requirement good form An ordi nary scrap -in board -in ply will just fine After tracing wing tip rudder what ever onto cardboard pattern mark second 38 Model Aviation parts cut out U Ned Kragness great variety shapes can laminated method course new form needs made contour wanted Forms quickly made jigsaw sanding block Drawing showsthe authors laminating setup minus vise hold form weightto pull free end aluminum striptight againstthe multi layered glued laminate Shape form marked tip actual shape part made less thickness laminate Everything together before laminating beginsfinished form alumi num strip balsa strips size aliphatic resin glue Balsa strips soaked water before glue applied prior laminating line inside outer curve allow thickness finished laminate 1/12thscale models 3/16-in about right allowing six seven strips 1/32 balsa Include part cardboard pattern overrun continuation tip curve leading trailing edges allow some laminated stock joining conventional structure Cement pattern piece -in thicker scrap wood jigsaw just outside inner pattern line leaving enough extra wood allow sanding smooth contour Now leaving much tip contour overrun can pilot-drill 3/16-in wood screw strip retainer will need -in wide flexible metal strips wood sheet metal screws metal strips made aluminum clothes-dryer duct section ducts inexpensive avail able everywhere easy cut material very flexible takes cut strips smoothly old X-Acto blade industrial knife metal yardstick crimped end folded edge duct cut away first leaving curved plain sheet Cut half sheet -in strips repeated passes blade along straightedge other side sheet shows definite raised bead along line fold back forth until strip breaks away Fold end back itself about inch drill through doubled end either 3/16- -in Continued page 112 February 1981 39 Clothes-dryer ducting good material aluminum strip holds laminate shape glue drying metal yardstick X-Acto knife used cut strips wide form thickness left authors setup applying 15-20 lbs pull free end aluminum strip keep thin balsa strips ot laminate place until glue dries Note supplemental rubberbands Mostworkshops have something can used dothe job Right laminate comes off form before finishing Record vital data store forms re-use want build second third model Heres good way cutthe laminate after truing edges two identical pans Uses razer-saw blocked-up proper height clamped convenient base instance piece cut moved against saw instead other way around ~514E NEW FOURMOST PRODUCTS Fuselage Fixture TI. FOURMOST FUSELAGE FIXTURE designed Aof.oftIIy abgn fuselage structures built strings measuring eyeballing Simply slide four centering brack ets track until align firewall tail joint two bulkheads Clamp fuuelsge together lightly rubber bands structure will straight track oonmodoOraota. ap atf. Bomb Release yeurscnst Soteb Its necha nitec tiotple ligheweipht ideal far fly eceeta tbe isis tour plane provided attach sprite latch thread connect throttle roddee servo Corrotios prohiew acm scolded ef nylon end g tewinleet tot UNit werOnt Ip,ce FOURMOST PRODUCTS 503 357-2732 4040 24th Ave Forest Grove OR 97116 990 sq 688 sq ft weight would have 5-to 7lb range 12 17 oz per sq ft would built-up light order fly slowly would much prefer use one-piece wing barely transportable seven feet have attachment mess two panels Other things would include inverted engine glow plug batery dummy cylinders dual aileron servos etc Questions 1 think size right engine 2 What weight wing loading range best type scale 3 have other suggestions about project Some early four-stroke engines problem keeping valve clearances adjusted As result always equal task carrying aloft 7-or 8-lb model understanding materials being used today changed avoid problem memory serves correctly soft rocker antis have seen engines recently being used fly models 8-lb range consistently good results need readjustment valve clearances type flight indicated little no wind 7-lb weight 17 oz per sq ft loading would acceptable real problem would keeping weight down figure could done careful selection materials using lightweight finish covering heavy paint job can really add pounds on-board glow plug battery may weighty luxury could omitted have never seen Piper Cub model one-piece wing could considered scale-like appearance because wind shield such prominent feature full windshield used one-piece wing becomes vulnerable damage one-piece wing may desirable small model because difficulty getting hands inside fuselage fastening would required two-piece construction real advantage one-piece wing use single servo center section pushrods extending ailerons size suggested think two-piece wing preferable especially since mentioned dual servos would employed assume means servo wing suggestion would two wing halves functional struts prototype wings plugged slots fuselage single machine screw fastening half have seen done Pipers past know successful method preserves scale appearance possible consider tipping engine away vertical inverted mounting100 would sufficientto avoid problems starting due drowned glow plug common sight model meets see two-man team holding model inverted get engine started Flipping model over engine running always seems hazardous slight angle tends place wet fuel away plug flooded engine Very likely will using muffler because four-stroke engines inherently quiet Should muffler needed angle mounting helps concealing muffler inside cowl Another solution model Super Cub rather J-3 has full cowl engine can sidemounted cowl weighs bit compensated omission dummy cylinders January 80 column photo Super Cub model Bob Dolly Wischer Rt 1 S-221 Lapham Peak Road Delafleld WI 53018 Laminate Curves/Kragness Continued page 39 Find wood screw sheet metal screw attach strap overrun part wooden form Let strap have -in freedom screw shank under head whatever thick ness laminated piece will need make arrangement put 10-15 pounds pull free end strap clamp form bench vise hang weights strap Make setup before proceeding laminate also cover form edge cellophane tapeor masking tapeto allow separating cured laminate form individual laminate strips should same width form block thickness slightly over-length Balsa should straightgrain quarter-sawed Also can softer stock youd like finished part because adhesive will penetrate partially saturate wood fibersadding strength hardness strips spare two prepared aliphatic resin glue hand Sigbond Titebond etc soak strips water mop excess water away apply glue make up stack Check surfaces coated over voids wanted Get layers aligned well Place stack form end near screw slowly pull strap around form considerable tension coming down progressively glued stack Apply ten sioning arrangement let glue set 24 Continued page 116 112 Model Aviation Tatone Makes Easy Established 1956 Tatone has invented de signed over 300 specialized model airplane ac cessories often imitated never equalled q Watch new itwns Tatone products available leading hobby shops See dealer first convenient R DIRECT Send SOC illustrated price information COD VISA MASTER CHARGE gJ II SD 1 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
