MJ2 TEMPETE realistic flying Control Line version famous French light-plane shoots delightful touch-and-goes Stand-off Scale about 25 power Peter Dominic de Gale Miller THE MJ2 TEMPETE designed late 1950s Marcel Jurca Ruman ian living France prolific de signers achievements recognized Governors Award work light aircraft design 1968 EAA Conven tion designs have being built United States quite possible Tempetes US registrations modelers point view Tempete ideal subject has simple yet attractive lines no dihedral plenty tail area large wheels placed well forward fuselage flat bottomed needs two small areas planking cowl nice roomy Both cowls shown plan have used deeper used muffler can hidden inside trouble model Stand-Off Scale few slight alterations have made easier construction better performance outline model accurate wing section has made flat bottomed give added lift improve landing characteristics fin has made sheet simplicity has meant mak ing fuselage slightly thinner tail stabilizer also has made sheet Some small details have omitted get knocked off operation model designed fly just show piece Scale 1 1 ft gives wingspan 35 Fox 25 RC ideal power unit model 9x4 prop scale diameter Inverted mounting chosen thrust line too near top cowling permit side-winder mounting Construction have built stunt ship will have no problems model although some methods used slightly un usual Glue F-l F-2 ngine bearers epoxy fuselage sides should medium-soft wood have fairly sharp bend just aft F-2 should flexible Glue sides bearer assembly epoxy joint has set dampen sides just behind F-2 bend until rear ends meet Hold front heater until sides take up permanent set Now glue rear ends together add remaining formers /4 sq spine deck D Next build tank box between F-l F-2 system tank mounting split seam does mean fuel soaked interior hacking model pieces get tank out Thetop fuselage now completed Fit /8 sheet top between F-I F-2 F-2 instrument panel 22 Model Aviation vvneeis piaceo wen Torward guard against nose-avers Model has landed stopped taken off three consecutive laps Tempete extremely attractive airplane modification flat-bottom airfoil Radio types would scale up could use semi-symmetrical airfoilRc flight would acceptable good maneuvers sheet should same width cock pit Now plank corners back far F-3 Ax strips rear portion turtle deck covered 1/16 sheet will conform formers splitting dry trim fit t stab mounts drying cut out fin blocks glue together Contact glue works well saves time Shape side blocks roughly fuselage dry tack cement fin place shape match fuselage much easier shaping before stab fitted Cut out stab elevators fit Sig horn assemble elevators stab Use favorite hinges Solder rear half pushrod horn glue stab fin model rudder should fitted stage tailskid mounts cut /8xV6 ply glued place wing built flat board Ail erons have included can cause tip stall high angles attack however want fit hinge line paint line shown plan An /s sheet spar fitted side line would accurate no shrouds Friese extensions Tem pete ailerons fitted should set bank model slightly out circle lower spar pinned plan packed up 1/16 scrap balsa Next pin down sheet trailing edge must cut very hard wood Now fit ribs except R-5 followed top spar leading edge assembly has set remove board add cut rib pieces RNB tip ribs drying cut landing gear mounting plates ply bend up landing gear legs diameter wire fit plates using J-bolts nylon saddles Return wing should dry now shape leading edge conform rib shape tips Fit lower leading edges sheeting glue sheeting down beyond end R-3 stage setting make up bellcrank mount fit bellcrank using Roberts unit cut bellcrank down 2 use homemade version developed fellow countryman Mick Reeves mainly because cheaper dont rear-quarter view model reflects jaunty look distinctive its fulIscale counterpart Rudder offset outside flying circle helps maintain line tension have wait post deliver Editors Note plans show G-S 3-line control system Bend connect throttle front half elevator pushrods cycle spokes just right job attach Sullivan leadout wires Make two holes lower leading edge sheeting take LG legs epoxy place together RNA rib pieces Fit bellcrank mount thread ing leadouts through holes wing may necessary cut away top spar clear bellcrank does seriously weaken completed wing Check leadouts free holes holes line up can opened up required direction piece sharpened tube Epoxy place leadout tubes tip weight Fit top sheeting center section sheet again glue leading edge sheet beyond end R-3 glue has set previous stage tips can formed Cut series slits R-3 top about 3A apart see sketch plan Glue pin down first strip pull next strip down trim good fit beside first glue pin down Repeat strip until wing tip finished same rest tips Damp ening wood outer surface will help prevent cracking Note center section sheeting extends out R-2 August1976 23 Tank engine baya Fox 25 inverted scraps around tank wedge position cowl locating dowel keeps moving ward Dont use wedge tankone shown has modifiedbecause engine will quit standingas during stop-and-goes fuel level below half-tank level MJ2 Tempete left wing right wing extends about nd R-l Under neath ends flush outer R- 1 After glue has set sandpaper wing over now will seen tips can sanded smooth contour wing can now fitted fuse lage Cut slot F-4 up pushrod hole Slide throttle rod through hole F-l slide elevator pushrod up slot F-4 Check rods free move glue wing place ensuring bottom wing parallel engine bearers Connect two halves elevator pushrod short length brass tube solder mak ing sure bellcrank elevators neutral after bottom fuselage can sheeted in~i/o sheet front wing 1/16 behind grain running across fuselage cowling built soft t method shown clearly plan gives strong unit no hits likely break off use Accessi bility outstanding fixed portion gives tremendous rigidity engine bearers long screw can made cutting normal screw half solder ing two parts length brass tube Before fitting top cowl blocks drill engine mounting bolt holes fit bolts solder piece wire across heads stop turning cockpit now can finished masked off left until painting com plete windscreen made curved acetate sheet rear canopy cut Sig canopy whole canopy can molded instrument panel made artists scraper board thin black card can scratched give white line Use dividers make cir cles sharp pin scratch figures needles etc use commercial brand scale instruments seat shown im itation ejector seat fitted Tempete will vary machine machine model covered light Silkspan over sheeted areas heavy Silkspan wings Give three coats clear dope followed three coats sanding sealer sheeted areas rubbing down tween coat own spray gun use Aerosol spray paints sold touching up cars method up individual Colors orange white dividing line between orange top wing white under surface slopes down fuselage about Fuel-proof model paying particular attention tank bay engine area fuel tank shown works well Ac tually tank will fit tank bay may used filler pipes extended use wedge stunt tank using throttle engine will cut ground tank less half full steel lines rearward balance point forward mounting big wheels mean model will take off grass land nosing over first thing will noticed flight model seems flying nose down illusion due shape fuselage soon gets used first few laps desire apply up elevator model very easy fly will fly very slowly hav ing use much up trim Touch-and-goes dream normally take several flights get accustomed handling charac teristics model Tempete SULLIVAN LEAD-SOT WIRE Ri Final assembly can now done Fit tank engine connect up throttle linkage check full free travel Fit rudder strips tin epoxied gives adjustable rudder trim ming tail skid strip dural steel packing strip held mount two small wood screws makes easy replacement Before flying model check balances front point shown plan rudder offset 3A turn model out circle Ground run engine get slow run ning right fly model 50-ft light SHEET iTUCK GOWN TO SPAR WHEN DRY iLIT ANi FORM TIPi AS PLANKING ALL RIBi I/B BALSA WING FENCE RIBS 3/16 BALiA BOTTOM OF LEFT WINO TOP OF RIGHT WING SI WHITE ORANGE FLAGH ANO TOP S WING BLACK ANTI-DAZZLE PANEL WINS FENCE FROM 1/32 PLT EPOGT TANS INTO ENIFE SLITS ON NIB AFTER COVERING TANK BOG FROM I/B SHEET NETWEEN FIN PD\ FT AND D\ 1 Fl N P2 I/B PLY PS TO I/B BALSA D D RAII TED P5 IF BALSA 510KG TO INST PANELTHIS LEE IIrIr ILJiiZz ENSUE OFFSE 2 L -p. ft N IL FUEL TANK SEE TEST Q INSTRE GB WISC FRON INST PANE TOP EXPLODED VIEW OP COWL ---h-1 4.c-1L ALTERNATIVE-4..., COWL DASHED POD IA SHOW NI/N SHEET I/IN SHEET I/H SAL SIDE OF II/i SNEE-T-------I INTAKE/ ALTENNATIVE COWL IN SAME PLACE QDS SCALE IN INCHES 24 Model Aviation EAOWLT IOMTSHEETNG BDJ Ni ~ZYTOP SPAR ENDS FORM TOP SHEET AT BOTTOM S TIPS NT SLITTING PROM R4 SEE SKETCH I/N BOWEL 7 SlEET LINE 14RS AlL ERG I able land stop take off three successive laps taxi back line park walking parallel model tail dragger grass really something final word Tempete As designer am naturally biased fellow club members extremely impressed coming real compliment Cowl removed shows four keying dowelsthe between filler pipes retains tank ward movement Note metal-formed channel channels exhaust exterior Also note carving block two air channels its rear WING FENCEI/H PLY LO MOOfIJ ON THS R B\3GSO LEASING ED EDGERETAIN LOW TMSO TO1f16 SHEETING 1 14HSDLIII 4 SS~7----IUiREYiRi RNII ~~1 A--- ---=- --_L__L___ 44k IiTSP SHEET IS TRISRIBI LEFT ONLT ______II---- -- WING WALKV II R3R3RDRII/ RIRtIR3R3 /BELLCRAIA BOTTOMIPLATFORM _____SHEET ENDS ON THIS--------IiI RIBI _ --4_ ----i-- --TEIHARD BALSA A-S 3LINE CONTROLSYSTEM - UiTFTF9E~- ii -ti-iii_ II II\IJ -- ----I4-----i F2INST PANELFO F3AF4FOFRF7SKID P LAY FO RH MJ2TEMPETEANCHOR NOT ON I/DOG 5/4 FT StoA oIl tool CotoI Line MoARIHARDWOOD CROSS Fo IS Co 290 Eogiroos DESIGNED BY PETER DOMINIC MILLKRMEMBER --SCALE RIB PSOITIONS 5/1H DOWELS TO AUSHOWN DASHED 00 SLOE TOLOWER PART COWL F COWLIN HINGE TO ADJOSTRSDDER -4 SO\\\[OFFSKT S-3116 SHEET N OR ALOMINRJMFIN BODDER SHAUST DGCT PANEL USE BEAR OF DIG tIJRVEDCANOPYH 1/41/4SPINE o-------___ S SHEET EACH——IISOFT FFN IIiir----II IIII______ __________ ___ ___________________/ BOHEETH_________ FSABFT III -I iLI 4rZh/RKET DISKS TO SOLID IIJNES/3/32 WIREIj INST I_____~I/B PLYjhI 1MMEk\I ii4II OKE__ 7 lB PLY ______ I I OTTOM I/lB GREETI/1B T.I/4W CROSS BRAINSCREW TO FLYSTEEL OR DBRAL // SIDE -PLATFOGH 2 l/tIN WHEELS__________________________ LEFT DDE LG LEO0I/4 SHEET STAB B ELEVATOR I/HDA W RE_____ SHT5so LEO VER---,-ocwo. . August1976 25
Edition: Model Aviation - 1976/08
Page Numbers: 22, 23, 24, 25
MJ2 TEMPETE realistic flying Control Line version famous French light-plane shoots delightful touch-and-goes Stand-off Scale about 25 power Peter Dominic de Gale Miller THE MJ2 TEMPETE designed late 1950s Marcel Jurca Ruman ian living France prolific de signers achievements recognized Governors Award work light aircraft design 1968 EAA Conven tion designs have being built United States quite possible Tempetes US registrations modelers point view Tempete ideal subject has simple yet attractive lines no dihedral plenty tail area large wheels placed well forward fuselage flat bottomed needs two small areas planking cowl nice roomy Both cowls shown plan have used deeper used muffler can hidden inside trouble model Stand-Off Scale few slight alterations have made easier construction better performance outline model accurate wing section has made flat bottomed give added lift improve landing characteristics fin has made sheet simplicity has meant mak ing fuselage slightly thinner tail stabilizer also has made sheet Some small details have omitted get knocked off operation model designed fly just show piece Scale 1 1 ft gives wingspan 35 Fox 25 RC ideal power unit model 9x4 prop scale diameter Inverted mounting chosen thrust line too near top cowling permit side-winder mounting Construction have built stunt ship will have no problems model although some methods used slightly un usual Glue F-l F-2 ngine bearers epoxy fuselage sides should medium-soft wood have fairly sharp bend just aft F-2 should flexible Glue sides bearer assembly epoxy joint has set dampen sides just behind F-2 bend until rear ends meet Hold front heater until sides take up permanent set Now glue rear ends together add remaining formers /4 sq spine deck D Next build tank box between F-l F-2 system tank mounting split seam does mean fuel soaked interior hacking model pieces get tank out Thetop fuselage now completed Fit /8 sheet top between F-I F-2 F-2 instrument panel 22 Model Aviation vvneeis piaceo wen Torward guard against nose-avers Model has landed stopped taken off three consecutive laps Tempete extremely attractive airplane modification flat-bottom airfoil Radio types would scale up could use semi-symmetrical airfoilRc flight would acceptable good maneuvers sheet should same width cock pit Now plank corners back far F-3 Ax strips rear portion turtle deck covered 1/16 sheet will conform formers splitting dry trim fit t stab mounts drying cut out fin blocks glue together Contact glue works well saves time Shape side blocks roughly fuselage dry tack cement fin place shape match fuselage much easier shaping before stab fitted Cut out stab elevators fit Sig horn assemble elevators stab Use favorite hinges Solder rear half pushrod horn glue stab fin model rudder should fitted stage tailskid mounts cut /8xV6 ply glued place wing built flat board Ail erons have included can cause tip stall high angles attack however want fit hinge line paint line shown plan An /s sheet spar fitted side line would accurate no shrouds Friese extensions Tem pete ailerons fitted should set bank model slightly out circle lower spar pinned plan packed up 1/16 scrap balsa Next pin down sheet trailing edge must cut very hard wood Now fit ribs except R-5 followed top spar leading edge assembly has set remove board add cut rib pieces RNB tip ribs drying cut landing gear mounting plates ply bend up landing gear legs diameter wire fit plates using J-bolts nylon saddles Return wing should dry now shape leading edge conform rib shape tips Fit lower leading edges sheeting glue sheeting down beyond end R-3 stage setting make up bellcrank mount fit bellcrank using Roberts unit cut bellcrank down 2 use homemade version developed fellow countryman Mick Reeves mainly because cheaper dont rear-quarter view model reflects jaunty look distinctive its fulIscale counterpart Rudder offset outside flying circle helps maintain line tension have wait post deliver Editors Note plans show G-S 3-line control system Bend connect throttle front half elevator pushrods cycle spokes just right job attach Sullivan leadout wires Make two holes lower leading edge sheeting take LG legs epoxy place together RNA rib pieces Fit bellcrank mount thread ing leadouts through holes wing may necessary cut away top spar clear bellcrank does seriously weaken completed wing Check leadouts free holes holes line up can opened up required direction piece sharpened tube Epoxy place leadout tubes tip weight Fit top sheeting center section sheet again glue leading edge sheet beyond end R-3 glue has set previous stage tips can formed Cut series slits R-3 top about 3A apart see sketch plan Glue pin down first strip pull next strip down trim good fit beside first glue pin down Repeat strip until wing tip finished same rest tips Damp ening wood outer surface will help prevent cracking Note center section sheeting extends out R-2 August1976 23 Tank engine baya Fox 25 inverted scraps around tank wedge position cowl locating dowel keeps moving ward Dont use wedge tankone shown has modifiedbecause engine will quit standingas during stop-and-goes fuel level below half-tank level MJ2 Tempete left wing right wing extends about nd R-l Under neath ends flush outer R- 1 After glue has set sandpaper wing over now will seen tips can sanded smooth contour wing can now fitted fuse lage Cut slot F-4 up pushrod hole Slide throttle rod through hole F-l slide elevator pushrod up slot F-4 Check rods free move glue wing place ensuring bottom wing parallel engine bearers Connect two halves elevator pushrod short length brass tube solder mak ing sure bellcrank elevators neutral after bottom fuselage can sheeted in~i/o sheet front wing 1/16 behind grain running across fuselage cowling built soft t method shown clearly plan gives strong unit no hits likely break off use Accessi bility outstanding fixed portion gives tremendous rigidity engine bearers long screw can made cutting normal screw half solder ing two parts length brass tube Before fitting top cowl blocks drill engine mounting bolt holes fit bolts solder piece wire across heads stop turning cockpit now can finished masked off left until painting com plete windscreen made curved acetate sheet rear canopy cut Sig canopy whole canopy can molded instrument panel made artists scraper board thin black card can scratched give white line Use dividers make cir cles sharp pin scratch figures needles etc use commercial brand scale instruments seat shown im itation ejector seat fitted Tempete will vary machine machine model covered light Silkspan over sheeted areas heavy Silkspan wings Give three coats clear dope followed three coats sanding sealer sheeted areas rubbing down tween coat own spray gun use Aerosol spray paints sold touching up cars method up individual Colors orange white dividing line between orange top wing white under surface slopes down fuselage about Fuel-proof model paying particular attention tank bay engine area fuel tank shown works well Ac tually tank will fit tank bay may used filler pipes extended use wedge stunt tank using throttle engine will cut ground tank less half full steel lines rearward balance point forward mounting big wheels mean model will take off grass land nosing over first thing will noticed flight model seems flying nose down illusion due shape fuselage soon gets used first few laps desire apply up elevator model very easy fly will fly very slowly hav ing use much up trim Touch-and-goes dream normally take several flights get accustomed handling charac teristics model Tempete SULLIVAN LEAD-SOT WIRE Ri Final assembly can now done Fit tank engine connect up throttle linkage check full free travel Fit rudder strips tin epoxied gives adjustable rudder trim ming tail skid strip dural steel packing strip held mount two small wood screws makes easy replacement Before flying model check balances front point shown plan rudder offset 3A turn model out circle Ground run engine get slow run ning right fly model 50-ft light SHEET iTUCK GOWN TO SPAR WHEN DRY iLIT ANi FORM TIPi AS PLANKING ALL RIBi I/B BALSA WING FENCE RIBS 3/16 BALiA BOTTOM OF LEFT WINO TOP OF RIGHT WING SI WHITE ORANGE FLAGH ANO TOP S WING BLACK ANTI-DAZZLE PANEL WINS FENCE FROM 1/32 PLT EPOGT TANS INTO ENIFE SLITS ON NIB AFTER COVERING TANK BOG FROM I/B SHEET NETWEEN FIN PD\ FT AND D\ 1 Fl N P2 I/B PLY PS TO I/B BALSA D D RAII TED P5 IF BALSA 510KG TO INST PANELTHIS LEE IIrIr ILJiiZz ENSUE OFFSE 2 L -p. ft N IL FUEL TANK SEE TEST Q INSTRE GB WISC FRON INST PANE TOP EXPLODED VIEW OP COWL ---h-1 4.c-1L ALTERNATIVE-4..., COWL DASHED POD IA SHOW NI/N SHEET I/IN SHEET I/H SAL SIDE OF II/i SNEE-T-------I INTAKE/ ALTENNATIVE COWL IN SAME PLACE QDS SCALE IN INCHES 24 Model Aviation EAOWLT IOMTSHEETNG BDJ Ni ~ZYTOP SPAR ENDS FORM TOP SHEET AT BOTTOM S TIPS NT SLITTING PROM R4 SEE SKETCH I/N BOWEL 7 SlEET LINE 14RS AlL ERG I able land stop take off three successive laps taxi back line park walking parallel model tail dragger grass really something final word Tempete As designer am naturally biased fellow club members extremely impressed coming real compliment Cowl removed shows four keying dowelsthe between filler pipes retains tank ward movement Note metal-formed channel channels exhaust exterior Also note carving block two air channels its rear WING FENCEI/H PLY LO MOOfIJ ON THS R B\3GSO LEASING ED EDGERETAIN LOW TMSO TO1f16 SHEETING 1 14HSDLIII 4 SS~7----IUiREYiRi RNII ~~1 A--- ---=- --_L__L___ 44k IiTSP SHEET IS TRISRIBI LEFT ONLT ______II---- -- WING WALKV II R3R3RDRII/ RIRtIR3R3 /BELLCRAIA BOTTOMIPLATFORM _____SHEET ENDS ON THIS--------IiI RIBI _ --4_ ----i-- --TEIHARD BALSA A-S 3LINE CONTROLSYSTEM - UiTFTF9E~- ii -ti-iii_ II II\IJ -- ----I4-----i F2INST PANELFO F3AF4FOFRF7SKID P LAY FO RH MJ2TEMPETEANCHOR NOT ON I/DOG 5/4 FT StoA oIl tool CotoI Line MoARIHARDWOOD CROSS Fo IS Co 290 Eogiroos DESIGNED BY PETER DOMINIC MILLKRMEMBER --SCALE RIB PSOITIONS 5/1H DOWELS TO AUSHOWN DASHED 00 SLOE TOLOWER PART COWL F COWLIN HINGE TO ADJOSTRSDDER -4 SO\\\[OFFSKT S-3116 SHEET N OR ALOMINRJMFIN BODDER SHAUST DGCT PANEL USE BEAR OF DIG tIJRVEDCANOPYH 1/41/4SPINE o-------___ S SHEET EACH——IISOFT FFN IIiir----II IIII______ __________ ___ ___________________/ BOHEETH_________ FSABFT III -I iLI 4rZh/RKET DISKS TO SOLID IIJNES/3/32 WIREIj INST I_____~I/B PLYjhI 1MMEk\I ii4II OKE__ 7 lB PLY ______ I I OTTOM I/lB GREETI/1B T.I/4W CROSS BRAINSCREW TO FLYSTEEL OR DBRAL // SIDE -PLATFOGH 2 l/tIN WHEELS__________________________ LEFT DDE LG LEO0I/4 SHEET STAB B ELEVATOR I/HDA W RE_____ SHT5so LEO VER---,-ocwo. . August1976 25
Edition: Model Aviation - 1976/08
Page Numbers: 22, 23, 24, 25
MJ2 TEMPETE realistic flying Control Line version famous French light-plane shoots delightful touch-and-goes Stand-off Scale about 25 power Peter Dominic de Gale Miller THE MJ2 TEMPETE designed late 1950s Marcel Jurca Ruman ian living France prolific de signers achievements recognized Governors Award work light aircraft design 1968 EAA Conven tion designs have being built United States quite possible Tempetes US registrations modelers point view Tempete ideal subject has simple yet attractive lines no dihedral plenty tail area large wheels placed well forward fuselage flat bottomed needs two small areas planking cowl nice roomy Both cowls shown plan have used deeper used muffler can hidden inside trouble model Stand-Off Scale few slight alterations have made easier construction better performance outline model accurate wing section has made flat bottomed give added lift improve landing characteristics fin has made sheet simplicity has meant mak ing fuselage slightly thinner tail stabilizer also has made sheet Some small details have omitted get knocked off operation model designed fly just show piece Scale 1 1 ft gives wingspan 35 Fox 25 RC ideal power unit model 9x4 prop scale diameter Inverted mounting chosen thrust line too near top cowling permit side-winder mounting Construction have built stunt ship will have no problems model although some methods used slightly un usual Glue F-l F-2 ngine bearers epoxy fuselage sides should medium-soft wood have fairly sharp bend just aft F-2 should flexible Glue sides bearer assembly epoxy joint has set dampen sides just behind F-2 bend until rear ends meet Hold front heater until sides take up permanent set Now glue rear ends together add remaining formers /4 sq spine deck D Next build tank box between F-l F-2 system tank mounting split seam does mean fuel soaked interior hacking model pieces get tank out Thetop fuselage now completed Fit /8 sheet top between F-I F-2 F-2 instrument panel 22 Model Aviation vvneeis piaceo wen Torward guard against nose-avers Model has landed stopped taken off three consecutive laps Tempete extremely attractive airplane modification flat-bottom airfoil Radio types would scale up could use semi-symmetrical airfoilRc flight would acceptable good maneuvers sheet should same width cock pit Now plank corners back far F-3 Ax strips rear portion turtle deck covered 1/16 sheet will conform formers splitting dry trim fit t stab mounts drying cut out fin blocks glue together Contact glue works well saves time Shape side blocks roughly fuselage dry tack cement fin place shape match fuselage much easier shaping before stab fitted Cut out stab elevators fit Sig horn assemble elevators stab Use favorite hinges Solder rear half pushrod horn glue stab fin model rudder should fitted stage tailskid mounts cut /8xV6 ply glued place wing built flat board Ail erons have included can cause tip stall high angles attack however want fit hinge line paint line shown plan An /s sheet spar fitted side line would accurate no shrouds Friese extensions Tem pete ailerons fitted should set bank model slightly out circle lower spar pinned plan packed up 1/16 scrap balsa Next pin down sheet trailing edge must cut very hard wood Now fit ribs except R-5 followed top spar leading edge assembly has set remove board add cut rib pieces RNB tip ribs drying cut landing gear mounting plates ply bend up landing gear legs diameter wire fit plates using J-bolts nylon saddles Return wing should dry now shape leading edge conform rib shape tips Fit lower leading edges sheeting glue sheeting down beyond end R-3 stage setting make up bellcrank mount fit bellcrank using Roberts unit cut bellcrank down 2 use homemade version developed fellow countryman Mick Reeves mainly because cheaper dont rear-quarter view model reflects jaunty look distinctive its fulIscale counterpart Rudder offset outside flying circle helps maintain line tension have wait post deliver Editors Note plans show G-S 3-line control system Bend connect throttle front half elevator pushrods cycle spokes just right job attach Sullivan leadout wires Make two holes lower leading edge sheeting take LG legs epoxy place together RNA rib pieces Fit bellcrank mount thread ing leadouts through holes wing may necessary cut away top spar clear bellcrank does seriously weaken completed wing Check leadouts free holes holes line up can opened up required direction piece sharpened tube Epoxy place leadout tubes tip weight Fit top sheeting center section sheet again glue leading edge sheet beyond end R-3 glue has set previous stage tips can formed Cut series slits R-3 top about 3A apart see sketch plan Glue pin down first strip pull next strip down trim good fit beside first glue pin down Repeat strip until wing tip finished same rest tips Damp ening wood outer surface will help prevent cracking Note center section sheeting extends out R-2 August1976 23 Tank engine baya Fox 25 inverted scraps around tank wedge position cowl locating dowel keeps moving ward Dont use wedge tankone shown has modifiedbecause engine will quit standingas during stop-and-goes fuel level below half-tank level MJ2 Tempete left wing right wing extends about nd R-l Under neath ends flush outer R- 1 After glue has set sandpaper wing over now will seen tips can sanded smooth contour wing can now fitted fuse lage Cut slot F-4 up pushrod hole Slide throttle rod through hole F-l slide elevator pushrod up slot F-4 Check rods free move glue wing place ensuring bottom wing parallel engine bearers Connect two halves elevator pushrod short length brass tube solder mak ing sure bellcrank elevators neutral after bottom fuselage can sheeted in~i/o sheet front wing 1/16 behind grain running across fuselage cowling built soft t method shown clearly plan gives strong unit no hits likely break off use Accessi bility outstanding fixed portion gives tremendous rigidity engine bearers long screw can made cutting normal screw half solder ing two parts length brass tube Before fitting top cowl blocks drill engine mounting bolt holes fit bolts solder piece wire across heads stop turning cockpit now can finished masked off left until painting com plete windscreen made curved acetate sheet rear canopy cut Sig canopy whole canopy can molded instrument panel made artists scraper board thin black card can scratched give white line Use dividers make cir cles sharp pin scratch figures needles etc use commercial brand scale instruments seat shown im itation ejector seat fitted Tempete will vary machine machine model covered light Silkspan over sheeted areas heavy Silkspan wings Give three coats clear dope followed three coats sanding sealer sheeted areas rubbing down tween coat own spray gun use Aerosol spray paints sold touching up cars method up individual Colors orange white dividing line between orange top wing white under surface slopes down fuselage about Fuel-proof model paying particular attention tank bay engine area fuel tank shown works well Ac tually tank will fit tank bay may used filler pipes extended use wedge stunt tank using throttle engine will cut ground tank less half full steel lines rearward balance point forward mounting big wheels mean model will take off grass land nosing over first thing will noticed flight model seems flying nose down illusion due shape fuselage soon gets used first few laps desire apply up elevator model very easy fly will fly very slowly hav ing use much up trim Touch-and-goes dream normally take several flights get accustomed handling charac teristics model Tempete SULLIVAN LEAD-SOT WIRE Ri Final assembly can now done Fit tank engine connect up throttle linkage check full free travel Fit rudder strips tin epoxied gives adjustable rudder trim ming tail skid strip dural steel packing strip held mount two small wood screws makes easy replacement Before flying model check balances front point shown plan rudder offset 3A turn model out circle Ground run engine get slow run ning right fly model 50-ft light SHEET iTUCK GOWN TO SPAR WHEN DRY iLIT ANi FORM TIPi AS PLANKING ALL RIBi I/B BALSA WING FENCE RIBS 3/16 BALiA BOTTOM OF LEFT WINO TOP OF RIGHT WING SI WHITE ORANGE FLAGH ANO TOP S WING BLACK ANTI-DAZZLE PANEL WINS FENCE FROM 1/32 PLT EPOGT TANS INTO ENIFE SLITS ON NIB AFTER COVERING TANK BOG FROM I/B SHEET NETWEEN FIN PD\ FT AND D\ 1 Fl N P2 I/B PLY PS TO I/B BALSA D D RAII TED P5 IF BALSA 510KG TO INST PANELTHIS LEE IIrIr ILJiiZz ENSUE OFFSE 2 L -p. ft N IL FUEL TANK SEE TEST Q INSTRE GB WISC FRON INST PANE TOP EXPLODED VIEW OP COWL ---h-1 4.c-1L ALTERNATIVE-4..., COWL DASHED POD IA SHOW NI/N SHEET I/IN SHEET I/H SAL SIDE OF II/i SNEE-T-------I INTAKE/ ALTENNATIVE COWL IN SAME PLACE QDS SCALE IN INCHES 24 Model Aviation EAOWLT IOMTSHEETNG BDJ Ni ~ZYTOP SPAR ENDS FORM TOP SHEET AT BOTTOM S TIPS NT SLITTING PROM R4 SEE SKETCH I/N BOWEL 7 SlEET LINE 14RS AlL ERG I able land stop take off three successive laps taxi back line park walking parallel model tail dragger grass really something final word Tempete As designer am naturally biased fellow club members extremely impressed coming real compliment Cowl removed shows four keying dowelsthe between filler pipes retains tank ward movement Note metal-formed channel channels exhaust exterior Also note carving block two air channels its rear WING FENCEI/H PLY LO MOOfIJ ON THS R B\3GSO LEASING ED EDGERETAIN LOW TMSO TO1f16 SHEETING 1 14HSDLIII 4 SS~7----IUiREYiRi RNII ~~1 A--- ---=- --_L__L___ 44k IiTSP SHEET IS TRISRIBI LEFT ONLT ______II---- -- WING WALKV II R3R3RDRII/ RIRtIR3R3 /BELLCRAIA BOTTOMIPLATFORM _____SHEET ENDS ON THIS--------IiI RIBI _ --4_ ----i-- --TEIHARD BALSA A-S 3LINE CONTROLSYSTEM - UiTFTF9E~- ii -ti-iii_ II II\IJ -- ----I4-----i F2INST PANELFO F3AF4FOFRF7SKID P LAY FO RH MJ2TEMPETEANCHOR NOT ON I/DOG 5/4 FT StoA oIl tool CotoI Line MoARIHARDWOOD CROSS Fo IS Co 290 Eogiroos DESIGNED BY PETER DOMINIC MILLKRMEMBER --SCALE RIB PSOITIONS 5/1H DOWELS TO AUSHOWN DASHED 00 SLOE TOLOWER PART COWL F COWLIN HINGE TO ADJOSTRSDDER -4 SO\\\[OFFSKT S-3116 SHEET N OR ALOMINRJMFIN BODDER SHAUST DGCT PANEL USE BEAR OF DIG tIJRVEDCANOPYH 1/41/4SPINE o-------___ S SHEET EACH——IISOFT FFN IIiir----II IIII______ __________ ___ ___________________/ BOHEETH_________ FSABFT III -I iLI 4rZh/RKET DISKS TO SOLID IIJNES/3/32 WIREIj INST I_____~I/B PLYjhI 1MMEk\I ii4II OKE__ 7 lB PLY ______ I I OTTOM I/lB GREETI/1B T.I/4W CROSS BRAINSCREW TO FLYSTEEL OR DBRAL // SIDE -PLATFOGH 2 l/tIN WHEELS__________________________ LEFT DDE LG LEO0I/4 SHEET STAB B ELEVATOR I/HDA W RE_____ SHT5so LEO VER---,-ocwo. . August1976 25
Edition: Model Aviation - 1976/08
Page Numbers: 22, 23, 24, 25
MJ2 TEMPETE realistic flying Control Line version famous French light-plane shoots delightful touch-and-goes Stand-off Scale about 25 power Peter Dominic de Gale Miller THE MJ2 TEMPETE designed late 1950s Marcel Jurca Ruman ian living France prolific de signers achievements recognized Governors Award work light aircraft design 1968 EAA Conven tion designs have being built United States quite possible Tempetes US registrations modelers point view Tempete ideal subject has simple yet attractive lines no dihedral plenty tail area large wheels placed well forward fuselage flat bottomed needs two small areas planking cowl nice roomy Both cowls shown plan have used deeper used muffler can hidden inside trouble model Stand-Off Scale few slight alterations have made easier construction better performance outline model accurate wing section has made flat bottomed give added lift improve landing characteristics fin has made sheet simplicity has meant mak ing fuselage slightly thinner tail stabilizer also has made sheet Some small details have omitted get knocked off operation model designed fly just show piece Scale 1 1 ft gives wingspan 35 Fox 25 RC ideal power unit model 9x4 prop scale diameter Inverted mounting chosen thrust line too near top cowling permit side-winder mounting Construction have built stunt ship will have no problems model although some methods used slightly un usual Glue F-l F-2 ngine bearers epoxy fuselage sides should medium-soft wood have fairly sharp bend just aft F-2 should flexible Glue sides bearer assembly epoxy joint has set dampen sides just behind F-2 bend until rear ends meet Hold front heater until sides take up permanent set Now glue rear ends together add remaining formers /4 sq spine deck D Next build tank box between F-l F-2 system tank mounting split seam does mean fuel soaked interior hacking model pieces get tank out Thetop fuselage now completed Fit /8 sheet top between F-I F-2 F-2 instrument panel 22 Model Aviation vvneeis piaceo wen Torward guard against nose-avers Model has landed stopped taken off three consecutive laps Tempete extremely attractive airplane modification flat-bottom airfoil Radio types would scale up could use semi-symmetrical airfoilRc flight would acceptable good maneuvers sheet should same width cock pit Now plank corners back far F-3 Ax strips rear portion turtle deck covered 1/16 sheet will conform formers splitting dry trim fit t stab mounts drying cut out fin blocks glue together Contact glue works well saves time Shape side blocks roughly fuselage dry tack cement fin place shape match fuselage much easier shaping before stab fitted Cut out stab elevators fit Sig horn assemble elevators stab Use favorite hinges Solder rear half pushrod horn glue stab fin model rudder should fitted stage tailskid mounts cut /8xV6 ply glued place wing built flat board Ail erons have included can cause tip stall high angles attack however want fit hinge line paint line shown plan An /s sheet spar fitted side line would accurate no shrouds Friese extensions Tem pete ailerons fitted should set bank model slightly out circle lower spar pinned plan packed up 1/16 scrap balsa Next pin down sheet trailing edge must cut very hard wood Now fit ribs except R-5 followed top spar leading edge assembly has set remove board add cut rib pieces RNB tip ribs drying cut landing gear mounting plates ply bend up landing gear legs diameter wire fit plates using J-bolts nylon saddles Return wing should dry now shape leading edge conform rib shape tips Fit lower leading edges sheeting glue sheeting down beyond end R-3 stage setting make up bellcrank mount fit bellcrank using Roberts unit cut bellcrank down 2 use homemade version developed fellow countryman Mick Reeves mainly because cheaper dont rear-quarter view model reflects jaunty look distinctive its fulIscale counterpart Rudder offset outside flying circle helps maintain line tension have wait post deliver Editors Note plans show G-S 3-line control system Bend connect throttle front half elevator pushrods cycle spokes just right job attach Sullivan leadout wires Make two holes lower leading edge sheeting take LG legs epoxy place together RNA rib pieces Fit bellcrank mount thread ing leadouts through holes wing may necessary cut away top spar clear bellcrank does seriously weaken completed wing Check leadouts free holes holes line up can opened up required direction piece sharpened tube Epoxy place leadout tubes tip weight Fit top sheeting center section sheet again glue leading edge sheet beyond end R-3 glue has set previous stage tips can formed Cut series slits R-3 top about 3A apart see sketch plan Glue pin down first strip pull next strip down trim good fit beside first glue pin down Repeat strip until wing tip finished same rest tips Damp ening wood outer surface will help prevent cracking Note center section sheeting extends out R-2 August1976 23 Tank engine baya Fox 25 inverted scraps around tank wedge position cowl locating dowel keeps moving ward Dont use wedge tankone shown has modifiedbecause engine will quit standingas during stop-and-goes fuel level below half-tank level MJ2 Tempete left wing right wing extends about nd R-l Under neath ends flush outer R- 1 After glue has set sandpaper wing over now will seen tips can sanded smooth contour wing can now fitted fuse lage Cut slot F-4 up pushrod hole Slide throttle rod through hole F-l slide elevator pushrod up slot F-4 Check rods free move glue wing place ensuring bottom wing parallel engine bearers Connect two halves elevator pushrod short length brass tube solder mak ing sure bellcrank elevators neutral after bottom fuselage can sheeted in~i/o sheet front wing 1/16 behind grain running across fuselage cowling built soft t method shown clearly plan gives strong unit no hits likely break off use Accessi bility outstanding fixed portion gives tremendous rigidity engine bearers long screw can made cutting normal screw half solder ing two parts length brass tube Before fitting top cowl blocks drill engine mounting bolt holes fit bolts solder piece wire across heads stop turning cockpit now can finished masked off left until painting com plete windscreen made curved acetate sheet rear canopy cut Sig canopy whole canopy can molded instrument panel made artists scraper board thin black card can scratched give white line Use dividers make cir cles sharp pin scratch figures needles etc use commercial brand scale instruments seat shown im itation ejector seat fitted Tempete will vary machine machine model covered light Silkspan over sheeted areas heavy Silkspan wings Give three coats clear dope followed three coats sanding sealer sheeted areas rubbing down tween coat own spray gun use Aerosol spray paints sold touching up cars method up individual Colors orange white dividing line between orange top wing white under surface slopes down fuselage about Fuel-proof model paying particular attention tank bay engine area fuel tank shown works well Ac tually tank will fit tank bay may used filler pipes extended use wedge stunt tank using throttle engine will cut ground tank less half full steel lines rearward balance point forward mounting big wheels mean model will take off grass land nosing over first thing will noticed flight model seems flying nose down illusion due shape fuselage soon gets used first few laps desire apply up elevator model very easy fly will fly very slowly hav ing use much up trim Touch-and-goes dream normally take several flights get accustomed handling charac teristics model Tempete SULLIVAN LEAD-SOT WIRE Ri Final assembly can now done Fit tank engine connect up throttle linkage check full free travel Fit rudder strips tin epoxied gives adjustable rudder trim ming tail skid strip dural steel packing strip held mount two small wood screws makes easy replacement Before flying model check balances front point shown plan rudder offset 3A turn model out circle Ground run engine get slow run ning right fly model 50-ft light SHEET iTUCK GOWN TO SPAR WHEN DRY iLIT ANi FORM TIPi AS PLANKING ALL RIBi I/B BALSA WING FENCE RIBS 3/16 BALiA BOTTOM OF LEFT WINO TOP OF RIGHT WING SI WHITE ORANGE FLAGH ANO TOP S WING BLACK ANTI-DAZZLE PANEL WINS FENCE FROM 1/32 PLT EPOGT TANS INTO ENIFE SLITS ON NIB AFTER COVERING TANK BOG FROM I/B SHEET NETWEEN FIN PD\ FT AND D\ 1 Fl N P2 I/B PLY PS TO I/B BALSA D D RAII TED P5 IF BALSA 510KG TO INST PANELTHIS LEE IIrIr ILJiiZz ENSUE OFFSE 2 L -p. ft N IL FUEL TANK SEE TEST Q INSTRE GB WISC FRON INST PANE TOP EXPLODED VIEW OP COWL ---h-1 4.c-1L ALTERNATIVE-4..., COWL DASHED POD IA SHOW NI/N SHEET I/IN SHEET I/H SAL SIDE OF II/i SNEE-T-------I INTAKE/ ALTENNATIVE COWL IN SAME PLACE QDS SCALE IN INCHES 24 Model Aviation EAOWLT IOMTSHEETNG BDJ Ni ~ZYTOP SPAR ENDS FORM TOP SHEET AT BOTTOM S TIPS NT SLITTING PROM R4 SEE SKETCH I/N BOWEL 7 SlEET LINE 14RS AlL ERG I able land stop take off three successive laps taxi back line park walking parallel model tail dragger grass really something final word Tempete As designer am naturally biased fellow club members extremely impressed coming real compliment Cowl removed shows four keying dowelsthe between filler pipes retains tank ward movement Note metal-formed channel channels exhaust exterior Also note carving block two air channels its rear WING FENCEI/H PLY LO MOOfIJ ON THS R B\3GSO LEASING ED EDGERETAIN LOW TMSO TO1f16 SHEETING 1 14HSDLIII 4 SS~7----IUiREYiRi RNII ~~1 A--- ---=- --_L__L___ 44k IiTSP SHEET IS TRISRIBI LEFT ONLT ______II---- -- WING WALKV II R3R3RDRII/ RIRtIR3R3 /BELLCRAIA BOTTOMIPLATFORM _____SHEET ENDS ON THIS--------IiI RIBI _ --4_ ----i-- --TEIHARD BALSA A-S 3LINE CONTROLSYSTEM - UiTFTF9E~- ii -ti-iii_ II II\IJ -- ----I4-----i F2INST PANELFO F3AF4FOFRF7SKID P LAY FO RH MJ2TEMPETEANCHOR NOT ON I/DOG 5/4 FT StoA oIl tool CotoI Line MoARIHARDWOOD CROSS Fo IS Co 290 Eogiroos DESIGNED BY PETER DOMINIC MILLKRMEMBER --SCALE RIB PSOITIONS 5/1H DOWELS TO AUSHOWN DASHED 00 SLOE TOLOWER PART COWL F COWLIN HINGE TO ADJOSTRSDDER -4 SO\\\[OFFSKT S-3116 SHEET N OR ALOMINRJMFIN BODDER SHAUST DGCT PANEL USE BEAR OF DIG tIJRVEDCANOPYH 1/41/4SPINE o-------___ S SHEET EACH——IISOFT FFN IIiir----II IIII______ __________ ___ ___________________/ BOHEETH_________ FSABFT III -I iLI 4rZh/RKET DISKS TO SOLID IIJNES/3/32 WIREIj INST I_____~I/B PLYjhI 1MMEk\I ii4II OKE__ 7 lB PLY ______ I I OTTOM I/lB GREETI/1B T.I/4W CROSS BRAINSCREW TO FLYSTEEL OR DBRAL // SIDE -PLATFOGH 2 l/tIN WHEELS__________________________ LEFT DDE LG LEO0I/4 SHEET STAB B ELEVATOR I/HDA W RE_____ SHT5so LEO VER---,-ocwo. . 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