I muy uuum 019 Tor incnooiyara TIYIfl DaKota tirande docile enough handle small tielis very well Putting ailerons both wings makes capable acrobatic flight As can count low steady fly-bys solid touch-and-goes Kids Dakota-crazy Fifties little FF critters just flew like mad new 1/2As Fond memories Dakotas have inspired RC 60-powered big brother present flies just beautifully originals fun @ Randy Wrisley 20 Model Aviation family portrait Dakotas Ernie Wrisleys .. c~i ight anss Tfle engine room simple accessible Just about Inverted muffler manifold could Square off jaw bit could Bill Winter looking out Dakotas windshield Seems used shown Tatone Pitts-styie appropriate since Bill suggested project author November1981 21 I WAY BACK 1950 Henry Engineering intro duced ajaunty little Free Flight biplane product line Dakota designed Joe Wagner intended then-new 1A power plants father built around 1957 As kid would spend hours cranking inverted Atwood 049 its snout wellworn motor started would run fast launch model skyward Next came long chase old Dakota would fly forever Clarence Haught enlarged Joes design 25% back 1978 built RC version Editor Haughts FF Dakota 049 enlarged 25% available MA Plan No 242 $275 major change made convert back inverted engine mount remembered weli What got money finest flying schoolyard-size model lever UrU CPU iigrn U110 Sirung liftS wvuryning uncoverea lOOKS cute Wifl9 flaives unouma 81100 JOiNSO attn same time ensure else Note tall-wheel bracket made strip dihedral angels come out same 60 power allows strong heavy structure aileron hardware 22 Model Aviation Landing gear attached nylon straps Wheels forward Ca puts weight tall wheel Improve ground handling Its notso much radlocompartmentasltisaradloroom old-style push-pull servos could fit herewith room spare Sinceyourflngers can get easily theres no excuse sloppy InstallatIons bottom wing shows neat InstallatIon Turns very scale-ilke throw could easliy cranked Dakota doesnt need much elevatortravel tall-wheel bracket made strip aileron hardware tall wheel one-inch diameter oo HO ThN -Tm3 DOWEL 4 USED BALSA aOCK AS WINOSHEILD CAP F /4 PLYWOOD FIREWALL/ 1 2 BALSA BLflCK NOSE OOWLING FOX EAGLE 60 I/BSADDLE REINFI/8BALSA WEBS BETWEEN IF28 F3 I/4PLYWOOD 1/2 BALSA TRIANGLE LITE -PLY SIDESSECTiONS MOIJITED UNDER NOSE TO TAL OSV4- PLYWOOD BLOCKSUPPER AND LOWER SPARS BOTh WINGS 1/4 BALSA NOSE DOUBLER TO FIRENALL WILLIAMS 155 WHEELSIiBBALSA SHEET ALL RIBSV2X 3/4 BALSA LEADING EDGE 1/4 X 1/2 BALSA LBDGE TAILWHEEL SPRING /4 SHEET CENTERWIRED INTO RUDDER ROST I/8LITE PLY FORALLBULI-EAj5 AILERON BELLCRANK ON V8PLVWOOO GUSSET &16X 1/4 REAR SRAR TOP AND BOT1DM OF BOTH WINGS BALSA FILLER IN SIR ALONG AILERON N I/4X I/2SPRUCE UPPER 8 IDA/ER MAIN SPARS BOTH WINGS owned growing interest giant scale models giant Dakota Dakota Grande 2l times size original What once chubby cute sud denly became rather large rotund Friends neighbors Ive built whole models weighed less Dakotas wheels 7 square feet wing area play 7- 9-lb flying weight unreasonable Mine weighs 7 lb dry overpowered its Fox Eagie 60 Being enlarged Free Flight models natural tendency climb power applied design intended realistic rumble down memory laneat scale speed idea fun flying around V throttle making low fly-bys down runway wheel 24 Model Aviation landings sunset airplane Roll up shirt sleeves dig Construction nothing difficult about building bird however lot build chose build fuselage lite ply Lumberyards sell door skins also work well wings tall conventional balsa spruce plywood construction stuck inverted engine preserve character models nose After living awhile wont hold against you mount motor upright Rather giving lengthy detailed step-bystep construction treatise Ill just cover high points try help over rough spots Besides youre old enough remember Continued page 26 firewall braced rearwith triangle stock after engine mount bolted Views ot center section bOtfl wingS uuiia tne wings inc same tIme its easier make sure have same dihedral way Wing tip constructIon simpie i-alec nan-riDs save lIme Trounle ana balsa cross braces keep structure strong cabin top Note installation top block wing hold-down dowel Light ply fuse sides lots gussets make strong ship view fuselage top shows off hefty construction loads gussets wing saddle reinforcements topbrow block Landing gear construction straignitorwara Over-and -under wings ailow easy access radio compartment Heres fuselage sides look inside Dontfeei too bad built two identical sides instead right left just build another Dakota makers popular PLUGDRIVER t & easy startingRCa Ai Lightsjglow plugs adj twin plug-s Bright plugs 12v battery sags 7voltsl Nodroppingresistors $4250 Kit&N $5000 Assem IORDER PHONE -.J203 333-1717 r ease sendDRIVER PANEL Kits $4250 I_____DRIVER PANEL 5 Assembled $5000 eachPlease Print Address Clearly I Include $150 P&H Name _____________________________________________ Add $150 C 0 D Address___________________________________ Ct Res add sales tax City State Zip__________ banana plugs wirecaae hardware refund Northeast Engineering RO Box 6201A Bridgeport Ct 06606 original model wont have too much trouble Fuselage Cut two identical sides lite ply mark former locations inside Cement doublers 1 through 4 place using formers help line things up x ce cabin stiffener goes next along square balsa edging aft cabin Pre-drill gussets wing dowels before stick m Now moment truth Check sides see whether built both left right youll just have build matched pair Dakotas Join sides cementing formers 2 3 4 place flat surface check alignment carefully Once glue dries add rest formers aft cabin Bolt motor mount firewall reinforce slow-cure epoxy triangle stock goes now built landing gear blocks up 3/16 plywood could use hardwood have router cut grooves Epoxy com pleted blocks place making sure left leg leads Bend legs 3/16-in music wire weight model goes up much over might consider 7/32 -in music wire Once chore completed slip legs place slide wheels Set fuselage bench admire minute before continue Plank bottom ahead lower wing lite ply Everything else gets planked firm balsa applied cross-grain Cut cabin top block shape Carve slot wing dowel before epoxy place Mount motor install fuel tank before epoxy cowl block place Fiberglass motor com partment add some cloth around edges dont think can build firewall too strong some sanding now catch other little things may have forgotten Tail surfaces Built strong light bent tall wheel gear 3/32-in music wire Use strip aileron bearing tail wheel bracket Sand surfaces set fuselage until need Wings Using trusty template cut out 20 main ribs Cut six centersectlon ribs four tip ribs 24 false ribs Pin leading edge trailing edge spruce bottom spars down plan trailing edge must laminated since cant find 5/32 1-in balsa strip stock Cut tip parts both wings same time ensure uniformity Cement tips place plank bottom center section area Now can start sticking ribs As drawn plywood dihedral braces 1 too long cut 12-in sheet ply cheated cut shorter stock Once panels dry raise tip 2 off board epoxy dihedral braces place Doing time will help ensure panels equal built ailerons top wing oaly As designed bank aircraft scale-like manner snappier performance desired could build ailerons bottom wing well Now time cement top spars place shear webs next followed center section planking diagonals Use block plane shape leading trailing edges Before cover completed wings imbed piece 1/16-in music wire center section trailing edge protect against rubberband cuts Continued page 68 26 Model Aviation Iof NORTHERN CALIFORNIA S LARGESTU IDISCOUNT HOBBY SHOPI IF well FUELyou New high film strength lubricantU increased power engine lifeI Highest quality ingredientsI IJ Deteroent action cut varnish I I II II II II II II II II II IHOURS ,U inursoay CT rnooy YU-OUUI L m m 8 Model Aviation Astros new 05 turns 6 x 4 Cox 13000 8-to 9-mm flights 7 x 4 11000perfect 6-ft sailplane hot-wind featuring special ball bearing 6-cell 12 amp battery Miscellany Doug Pratt video tape crazy play Prince Valiant adventures through color TV guys go ape have no idea what see after session gab between guys flying fascinating overheard conversa tions Video will animate club think clubs should have least buddy box system rate learning fantastic Confidence comes quickly good pilot better can sharpen up can believeeven maneuvers think impossible Local show team has Tartan Cub act plagued take-off engine failures As said two months ago smoke does always mean engine rich chaps tached engine opened valve three turns rpm came up 1000to 7000 think engine should tached max rpm rich side backed off tadand mon sters need held nose-up lean test Bill Winter 433OAlta Vista Dr Fairfaz VA 22030 Dakota Grande/Wrisley Continued page 26 Final assembly Mount radio route pushrods before cover fuselage Dont epoxy wing hold down dowels until after cover Install windows windshield after no longer need reach through holes used Williams Brothers 3-in pilot added realism Now time get critical Does balance everything aligned properly surfaces move freely right directions wiggle rudder does pushrod flex Does engine idle properly flying Mere words cant describe feeling gets before test flight such magnitude Go slowly Make some fast taxi runs before ease model air Once airborne will pleasantly surprised Ive found can fly rudder alone Control climb power Trim model tad nose heavy control float final ap proach Until get feel flying bird make wheel landings As little sister Grandes forte fly-by Time time again will find yourself flying down runway low slow drinking character true classic Write care editor send picture Dakota Grande Nats General Continued page 29 shifting Nats activities San Antonio area tremendously aided availability another club closer Se gum Tn-Cities RC Flyers under leadership Russ Bear Snyder normally flew weekends Seguin better position San Antonio ARCS coordinate Nats matters Air Force physically assist Nats prepara tions Russ together other key Tn-Cities Club leadersKai Jensen Jack Matlock Kelso Barnettdid bulk pre-Nats work also during Nats end however area clubs contributed significantly Tn-Cities ARCS San Antonio Continued page 103 Giant Scale 1911 BLE RIOT Xl BUILDS FAST LIKE TRAINER Wingspan 108 Engine 6015 Weight 11 lbs MA I1 LKAI- Rt 3 Box 201 Hillsboro OR 97123 648 -4888
Edition: Model Aviation - 1981/11
Page Numbers: 20, 21, 22, 23, 24, 26, 68
I muy uuum 019 Tor incnooiyara TIYIfl DaKota tirande docile enough handle small tielis very well Putting ailerons both wings makes capable acrobatic flight As can count low steady fly-bys solid touch-and-goes Kids Dakota-crazy Fifties little FF critters just flew like mad new 1/2As Fond memories Dakotas have inspired RC 60-powered big brother present flies just beautifully originals fun @ Randy Wrisley 20 Model Aviation family portrait Dakotas Ernie Wrisleys .. c~i ight anss Tfle engine room simple accessible Just about Inverted muffler manifold could Square off jaw bit could Bill Winter looking out Dakotas windshield Seems used shown Tatone Pitts-styie appropriate since Bill suggested project author November1981 21 I WAY BACK 1950 Henry Engineering intro duced ajaunty little Free Flight biplane product line Dakota designed Joe Wagner intended then-new 1A power plants father built around 1957 As kid would spend hours cranking inverted Atwood 049 its snout wellworn motor started would run fast launch model skyward Next came long chase old Dakota would fly forever Clarence Haught enlarged Joes design 25% back 1978 built RC version Editor Haughts FF Dakota 049 enlarged 25% available MA Plan No 242 $275 major change made convert back inverted engine mount remembered weli What got money finest flying schoolyard-size model lever UrU CPU iigrn U110 Sirung liftS wvuryning uncoverea lOOKS cute Wifl9 flaives unouma 81100 JOiNSO attn same time ensure else Note tall-wheel bracket made strip dihedral angels come out same 60 power allows strong heavy structure aileron hardware 22 Model Aviation Landing gear attached nylon straps Wheels forward Ca puts weight tall wheel Improve ground handling Its notso much radlocompartmentasltisaradloroom old-style push-pull servos could fit herewith room spare Sinceyourflngers can get easily theres no excuse sloppy InstallatIons bottom wing shows neat InstallatIon Turns very scale-ilke throw could easliy cranked Dakota doesnt need much elevatortravel tall-wheel bracket made strip aileron hardware tall wheel one-inch diameter oo HO ThN -Tm3 DOWEL 4 USED BALSA aOCK AS WINOSHEILD CAP F /4 PLYWOOD FIREWALL/ 1 2 BALSA BLflCK NOSE OOWLING FOX EAGLE 60 I/BSADDLE REINFI/8BALSA WEBS BETWEEN IF28 F3 I/4PLYWOOD 1/2 BALSA TRIANGLE LITE -PLY SIDESSECTiONS MOIJITED UNDER NOSE TO TAL OSV4- PLYWOOD BLOCKSUPPER AND LOWER SPARS BOTh WINGS 1/4 BALSA NOSE DOUBLER TO FIRENALL WILLIAMS 155 WHEELSIiBBALSA SHEET ALL RIBSV2X 3/4 BALSA LEADING EDGE 1/4 X 1/2 BALSA LBDGE TAILWHEEL SPRING /4 SHEET CENTERWIRED INTO RUDDER ROST I/8LITE PLY FORALLBULI-EAj5 AILERON BELLCRANK ON V8PLVWOOO GUSSET &16X 1/4 REAR SRAR TOP AND BOT1DM OF BOTH WINGS BALSA FILLER IN SIR ALONG AILERON N I/4X I/2SPRUCE UPPER 8 IDA/ER MAIN SPARS BOTH WINGS owned growing interest giant scale models giant Dakota Dakota Grande 2l times size original What once chubby cute sud denly became rather large rotund Friends neighbors Ive built whole models weighed less Dakotas wheels 7 square feet wing area play 7- 9-lb flying weight unreasonable Mine weighs 7 lb dry overpowered its Fox Eagie 60 Being enlarged Free Flight models natural tendency climb power applied design intended realistic rumble down memory laneat scale speed idea fun flying around V throttle making low fly-bys down runway wheel 24 Model Aviation landings sunset airplane Roll up shirt sleeves dig Construction nothing difficult about building bird however lot build chose build fuselage lite ply Lumberyards sell door skins also work well wings tall conventional balsa spruce plywood construction stuck inverted engine preserve character models nose After living awhile wont hold against you mount motor upright Rather giving lengthy detailed step-bystep construction treatise Ill just cover high points try help over rough spots Besides youre old enough remember Continued page 26 firewall braced rearwith triangle stock after engine mount bolted Views ot center section bOtfl wingS uuiia tne wings inc same tIme its easier make sure have same dihedral way Wing tip constructIon simpie i-alec nan-riDs save lIme Trounle ana balsa cross braces keep structure strong cabin top Note installation top block wing hold-down dowel Light ply fuse sides lots gussets make strong ship view fuselage top shows off hefty construction loads gussets wing saddle reinforcements topbrow block Landing gear construction straignitorwara Over-and -under wings ailow easy access radio compartment Heres fuselage sides look inside Dontfeei too bad built two identical sides instead right left just build another Dakota makers popular PLUGDRIVER t & easy startingRCa Ai Lightsjglow plugs adj twin plug-s Bright plugs 12v battery sags 7voltsl Nodroppingresistors $4250 Kit&N $5000 Assem IORDER PHONE -.J203 333-1717 r ease sendDRIVER PANEL Kits $4250 I_____DRIVER PANEL 5 Assembled $5000 eachPlease Print Address Clearly I Include $150 P&H Name _____________________________________________ Add $150 C 0 D Address___________________________________ Ct Res add sales tax City State Zip__________ banana plugs wirecaae hardware refund Northeast Engineering RO Box 6201A Bridgeport Ct 06606 original model wont have too much trouble Fuselage Cut two identical sides lite ply mark former locations inside Cement doublers 1 through 4 place using formers help line things up x ce cabin stiffener goes next along square balsa edging aft cabin Pre-drill gussets wing dowels before stick m Now moment truth Check sides see whether built both left right youll just have build matched pair Dakotas Join sides cementing formers 2 3 4 place flat surface check alignment carefully Once glue dries add rest formers aft cabin Bolt motor mount firewall reinforce slow-cure epoxy triangle stock goes now built landing gear blocks up 3/16 plywood could use hardwood have router cut grooves Epoxy com pleted blocks place making sure left leg leads Bend legs 3/16-in music wire weight model goes up much over might consider 7/32 -in music wire Once chore completed slip legs place slide wheels Set fuselage bench admire minute before continue Plank bottom ahead lower wing lite ply Everything else gets planked firm balsa applied cross-grain Cut cabin top block shape Carve slot wing dowel before epoxy place Mount motor install fuel tank before epoxy cowl block place Fiberglass motor com partment add some cloth around edges dont think can build firewall too strong some sanding now catch other little things may have forgotten Tail surfaces Built strong light bent tall wheel gear 3/32-in music wire Use strip aileron bearing tail wheel bracket Sand surfaces set fuselage until need Wings Using trusty template cut out 20 main ribs Cut six centersectlon ribs four tip ribs 24 false ribs Pin leading edge trailing edge spruce bottom spars down plan trailing edge must laminated since cant find 5/32 1-in balsa strip stock Cut tip parts both wings same time ensure uniformity Cement tips place plank bottom center section area Now can start sticking ribs As drawn plywood dihedral braces 1 too long cut 12-in sheet ply cheated cut shorter stock Once panels dry raise tip 2 off board epoxy dihedral braces place Doing time will help ensure panels equal built ailerons top wing oaly As designed bank aircraft scale-like manner snappier performance desired could build ailerons bottom wing well Now time cement top spars place shear webs next followed center section planking diagonals Use block plane shape leading trailing edges Before cover completed wings imbed piece 1/16-in music wire center section trailing edge protect against rubberband cuts Continued page 68 26 Model Aviation Iof NORTHERN CALIFORNIA S LARGESTU IDISCOUNT HOBBY SHOPI IF well FUELyou New high film strength lubricantU increased power engine lifeI Highest quality ingredientsI IJ Deteroent action cut varnish I I II II II II II II II II II IHOURS ,U inursoay CT rnooy YU-OUUI L m m 8 Model Aviation Astros new 05 turns 6 x 4 Cox 13000 8-to 9-mm flights 7 x 4 11000perfect 6-ft sailplane hot-wind featuring special ball bearing 6-cell 12 amp battery Miscellany Doug Pratt video tape crazy play Prince Valiant adventures through color TV guys go ape have no idea what see after session gab between guys flying fascinating overheard conversa tions Video will animate club think clubs should have least buddy box system rate learning fantastic Confidence comes quickly good pilot better can sharpen up can believeeven maneuvers think impossible Local show team has Tartan Cub act plagued take-off engine failures As said two months ago smoke does always mean engine rich chaps tached engine opened valve three turns rpm came up 1000to 7000 think engine should tached max rpm rich side backed off tadand mon sters need held nose-up lean test Bill Winter 433OAlta Vista Dr Fairfaz VA 22030 Dakota Grande/Wrisley Continued page 26 Final assembly Mount radio route pushrods before cover fuselage Dont epoxy wing hold down dowels until after cover Install windows windshield after no longer need reach through holes used Williams Brothers 3-in pilot added realism Now time get critical Does balance everything aligned properly surfaces move freely right directions wiggle rudder does pushrod flex Does engine idle properly flying Mere words cant describe feeling gets before test flight such magnitude Go slowly Make some fast taxi runs before ease model air Once airborne will pleasantly surprised Ive found can fly rudder alone Control climb power Trim model tad nose heavy control float final ap proach Until get feel flying bird make wheel landings As little sister Grandes forte fly-by Time time again will find yourself flying down runway low slow drinking character true classic Write care editor send picture Dakota Grande Nats General Continued page 29 shifting Nats activities San Antonio area tremendously aided availability another club closer Se gum Tn-Cities RC Flyers under leadership Russ Bear Snyder normally flew weekends Seguin better position San Antonio ARCS coordinate Nats matters Air Force physically assist Nats prepara tions Russ together other key Tn-Cities Club leadersKai Jensen Jack Matlock Kelso Barnettdid bulk pre-Nats work also during Nats end however area clubs contributed significantly Tn-Cities ARCS San Antonio Continued page 103 Giant Scale 1911 BLE RIOT Xl BUILDS FAST LIKE TRAINER Wingspan 108 Engine 6015 Weight 11 lbs MA I1 LKAI- Rt 3 Box 201 Hillsboro OR 97123 648 -4888
Edition: Model Aviation - 1981/11
Page Numbers: 20, 21, 22, 23, 24, 26, 68
I muy uuum 019 Tor incnooiyara TIYIfl DaKota tirande docile enough handle small tielis very well Putting ailerons both wings makes capable acrobatic flight As can count low steady fly-bys solid touch-and-goes Kids Dakota-crazy Fifties little FF critters just flew like mad new 1/2As Fond memories Dakotas have inspired RC 60-powered big brother present flies just beautifully originals fun @ Randy Wrisley 20 Model Aviation family portrait Dakotas Ernie Wrisleys .. c~i ight anss Tfle engine room simple accessible Just about Inverted muffler manifold could Square off jaw bit could Bill Winter looking out Dakotas windshield Seems used shown Tatone Pitts-styie appropriate since Bill suggested project author November1981 21 I WAY BACK 1950 Henry Engineering intro duced ajaunty little Free Flight biplane product line Dakota designed Joe Wagner intended then-new 1A power plants father built around 1957 As kid would spend hours cranking inverted Atwood 049 its snout wellworn motor started would run fast launch model skyward Next came long chase old Dakota would fly forever Clarence Haught enlarged Joes design 25% back 1978 built RC version Editor Haughts FF Dakota 049 enlarged 25% available MA Plan No 242 $275 major change made convert back inverted engine mount remembered weli What got money finest flying schoolyard-size model lever UrU CPU iigrn U110 Sirung liftS wvuryning uncoverea lOOKS cute Wifl9 flaives unouma 81100 JOiNSO attn same time ensure else Note tall-wheel bracket made strip dihedral angels come out same 60 power allows strong heavy structure aileron hardware 22 Model Aviation Landing gear attached nylon straps Wheels forward Ca puts weight tall wheel Improve ground handling Its notso much radlocompartmentasltisaradloroom old-style push-pull servos could fit herewith room spare Sinceyourflngers can get easily theres no excuse sloppy InstallatIons bottom wing shows neat InstallatIon Turns very scale-ilke throw could easliy cranked Dakota doesnt need much elevatortravel tall-wheel bracket made strip aileron hardware tall wheel one-inch diameter oo HO ThN -Tm3 DOWEL 4 USED BALSA aOCK AS WINOSHEILD CAP F /4 PLYWOOD FIREWALL/ 1 2 BALSA BLflCK NOSE OOWLING FOX EAGLE 60 I/BSADDLE REINFI/8BALSA WEBS BETWEEN IF28 F3 I/4PLYWOOD 1/2 BALSA TRIANGLE LITE -PLY SIDESSECTiONS MOIJITED UNDER NOSE TO TAL OSV4- PLYWOOD BLOCKSUPPER AND LOWER SPARS BOTh WINGS 1/4 BALSA NOSE DOUBLER TO FIRENALL WILLIAMS 155 WHEELSIiBBALSA SHEET ALL RIBSV2X 3/4 BALSA LEADING EDGE 1/4 X 1/2 BALSA LBDGE TAILWHEEL SPRING /4 SHEET CENTERWIRED INTO RUDDER ROST I/8LITE PLY FORALLBULI-EAj5 AILERON BELLCRANK ON V8PLVWOOO GUSSET &16X 1/4 REAR SRAR TOP AND BOT1DM OF BOTH WINGS BALSA FILLER IN SIR ALONG AILERON N I/4X I/2SPRUCE UPPER 8 IDA/ER MAIN SPARS BOTH WINGS owned growing interest giant scale models giant Dakota Dakota Grande 2l times size original What once chubby cute sud denly became rather large rotund Friends neighbors Ive built whole models weighed less Dakotas wheels 7 square feet wing area play 7- 9-lb flying weight unreasonable Mine weighs 7 lb dry overpowered its Fox Eagie 60 Being enlarged Free Flight models natural tendency climb power applied design intended realistic rumble down memory laneat scale speed idea fun flying around V throttle making low fly-bys down runway wheel 24 Model Aviation landings sunset airplane Roll up shirt sleeves dig Construction nothing difficult about building bird however lot build chose build fuselage lite ply Lumberyards sell door skins also work well wings tall conventional balsa spruce plywood construction stuck inverted engine preserve character models nose After living awhile wont hold against you mount motor upright Rather giving lengthy detailed step-bystep construction treatise Ill just cover high points try help over rough spots Besides youre old enough remember Continued page 26 firewall braced rearwith triangle stock after engine mount bolted Views ot center section bOtfl wingS uuiia tne wings inc same tIme its easier make sure have same dihedral way Wing tip constructIon simpie i-alec nan-riDs save lIme Trounle ana balsa cross braces keep structure strong cabin top Note installation top block wing hold-down dowel Light ply fuse sides lots gussets make strong ship view fuselage top shows off hefty construction loads gussets wing saddle reinforcements topbrow block Landing gear construction straignitorwara Over-and -under wings ailow easy access radio compartment Heres fuselage sides look inside Dontfeei too bad built two identical sides instead right left just build another Dakota makers popular PLUGDRIVER t & easy startingRCa Ai Lightsjglow plugs adj twin plug-s Bright plugs 12v battery sags 7voltsl Nodroppingresistors $4250 Kit&N $5000 Assem IORDER PHONE -.J203 333-1717 r ease sendDRIVER PANEL Kits $4250 I_____DRIVER PANEL 5 Assembled $5000 eachPlease Print Address Clearly I Include $150 P&H Name _____________________________________________ Add $150 C 0 D Address___________________________________ Ct Res add sales tax City State Zip__________ banana plugs wirecaae hardware refund Northeast Engineering RO Box 6201A Bridgeport Ct 06606 original model wont have too much trouble Fuselage Cut two identical sides lite ply mark former locations inside Cement doublers 1 through 4 place using formers help line things up x ce cabin stiffener goes next along square balsa edging aft cabin Pre-drill gussets wing dowels before stick m Now moment truth Check sides see whether built both left right youll just have build matched pair Dakotas Join sides cementing formers 2 3 4 place flat surface check alignment carefully Once glue dries add rest formers aft cabin Bolt motor mount firewall reinforce slow-cure epoxy triangle stock goes now built landing gear blocks up 3/16 plywood could use hardwood have router cut grooves Epoxy com pleted blocks place making sure left leg leads Bend legs 3/16-in music wire weight model goes up much over might consider 7/32 -in music wire Once chore completed slip legs place slide wheels Set fuselage bench admire minute before continue Plank bottom ahead lower wing lite ply Everything else gets planked firm balsa applied cross-grain Cut cabin top block shape Carve slot wing dowel before epoxy place Mount motor install fuel tank before epoxy cowl block place Fiberglass motor com partment add some cloth around edges dont think can build firewall too strong some sanding now catch other little things may have forgotten Tail surfaces Built strong light bent tall wheel gear 3/32-in music wire Use strip aileron bearing tail wheel bracket Sand surfaces set fuselage until need Wings Using trusty template cut out 20 main ribs Cut six centersectlon ribs four tip ribs 24 false ribs Pin leading edge trailing edge spruce bottom spars down plan trailing edge must laminated since cant find 5/32 1-in balsa strip stock Cut tip parts both wings same time ensure uniformity Cement tips place plank bottom center section area Now can start sticking ribs As drawn plywood dihedral braces 1 too long cut 12-in sheet ply cheated cut shorter stock Once panels dry raise tip 2 off board epoxy dihedral braces place Doing time will help ensure panels equal built ailerons top wing oaly As designed bank aircraft scale-like manner snappier performance desired could build ailerons bottom wing well Now time cement top spars place shear webs next followed center section planking diagonals Use block plane shape leading trailing edges Before cover completed wings imbed piece 1/16-in music wire center section trailing edge protect against rubberband cuts Continued page 68 26 Model Aviation Iof NORTHERN CALIFORNIA S LARGESTU IDISCOUNT HOBBY SHOPI IF well FUELyou New high film strength lubricantU increased power engine lifeI Highest quality ingredientsI IJ Deteroent action cut varnish I I II II II II II II II II II IHOURS ,U inursoay CT rnooy YU-OUUI L m m 8 Model Aviation Astros new 05 turns 6 x 4 Cox 13000 8-to 9-mm flights 7 x 4 11000perfect 6-ft sailplane hot-wind featuring special ball bearing 6-cell 12 amp battery Miscellany Doug Pratt video tape crazy play Prince Valiant adventures through color TV guys go ape have no idea what see after session gab between guys flying fascinating overheard conversa tions Video will animate club think clubs should have least buddy box system rate learning fantastic Confidence comes quickly good pilot better can sharpen up can believeeven maneuvers think impossible Local show team has Tartan Cub act plagued take-off engine failures As said two months ago smoke does always mean engine rich chaps tached engine opened valve three turns rpm came up 1000to 7000 think engine should tached max rpm rich side backed off tadand mon sters need held nose-up lean test Bill Winter 433OAlta Vista Dr Fairfaz VA 22030 Dakota Grande/Wrisley Continued page 26 Final assembly Mount radio route pushrods before cover fuselage Dont epoxy wing hold down dowels until after cover Install windows windshield after no longer need reach through holes used Williams Brothers 3-in pilot added realism Now time get critical Does balance everything aligned properly surfaces move freely right directions wiggle rudder does pushrod flex Does engine idle properly flying Mere words cant describe feeling gets before test flight such magnitude Go slowly Make some fast taxi runs before ease model air Once airborne will pleasantly surprised Ive found can fly rudder alone Control climb power Trim model tad nose heavy control float final ap proach Until get feel flying bird make wheel landings As little sister Grandes forte fly-by Time time again will find yourself flying down runway low slow drinking character true classic Write care editor send picture Dakota Grande Nats General Continued page 29 shifting Nats activities San Antonio area tremendously aided availability another club closer Se gum Tn-Cities RC Flyers under leadership Russ Bear Snyder normally flew weekends Seguin better position San Antonio ARCS coordinate Nats matters Air Force physically assist Nats prepara tions Russ together other key Tn-Cities Club leadersKai Jensen Jack Matlock Kelso Barnettdid bulk pre-Nats work also during Nats end however area clubs contributed significantly Tn-Cities ARCS San Antonio Continued page 103 Giant Scale 1911 BLE RIOT Xl BUILDS FAST LIKE TRAINER Wingspan 108 Engine 6015 Weight 11 lbs MA I1 LKAI- Rt 3 Box 201 Hillsboro OR 97123 648 -4888
Edition: Model Aviation - 1981/11
Page Numbers: 20, 21, 22, 23, 24, 26, 68
I muy uuum 019 Tor incnooiyara TIYIfl DaKota tirande docile enough handle small tielis very well Putting ailerons both wings makes capable acrobatic flight As can count low steady fly-bys solid touch-and-goes Kids Dakota-crazy Fifties little FF critters just flew like mad new 1/2As Fond memories Dakotas have inspired RC 60-powered big brother present flies just beautifully originals fun @ Randy Wrisley 20 Model Aviation family portrait Dakotas Ernie Wrisleys .. c~i ight anss Tfle engine room simple accessible Just about Inverted muffler manifold could Square off jaw bit could Bill Winter looking out Dakotas windshield Seems used shown Tatone Pitts-styie appropriate since Bill suggested project author November1981 21 I WAY BACK 1950 Henry Engineering intro duced ajaunty little Free Flight biplane product line Dakota designed Joe Wagner intended then-new 1A power plants father built around 1957 As kid would spend hours cranking inverted Atwood 049 its snout wellworn motor started would run fast launch model skyward Next came long chase old Dakota would fly forever Clarence Haught enlarged Joes design 25% back 1978 built RC version Editor Haughts FF Dakota 049 enlarged 25% available MA Plan No 242 $275 major change made convert back inverted engine mount remembered weli What got money finest flying schoolyard-size model lever UrU CPU iigrn U110 Sirung liftS wvuryning uncoverea lOOKS cute Wifl9 flaives unouma 81100 JOiNSO attn same time ensure else Note tall-wheel bracket made strip dihedral angels come out same 60 power allows strong heavy structure aileron hardware 22 Model Aviation Landing gear attached nylon straps Wheels forward Ca puts weight tall wheel Improve ground handling Its notso much radlocompartmentasltisaradloroom old-style push-pull servos could fit herewith room spare Sinceyourflngers can get easily theres no excuse sloppy InstallatIons bottom wing shows neat InstallatIon Turns very scale-ilke throw could easliy cranked Dakota doesnt need much elevatortravel tall-wheel bracket made strip aileron hardware tall wheel one-inch diameter oo HO ThN -Tm3 DOWEL 4 USED BALSA aOCK AS WINOSHEILD CAP F /4 PLYWOOD FIREWALL/ 1 2 BALSA BLflCK NOSE OOWLING FOX EAGLE 60 I/BSADDLE REINFI/8BALSA WEBS BETWEEN IF28 F3 I/4PLYWOOD 1/2 BALSA TRIANGLE LITE -PLY SIDESSECTiONS MOIJITED UNDER NOSE TO TAL OSV4- PLYWOOD BLOCKSUPPER AND LOWER SPARS BOTh WINGS 1/4 BALSA NOSE DOUBLER TO FIRENALL WILLIAMS 155 WHEELSIiBBALSA SHEET ALL RIBSV2X 3/4 BALSA LEADING EDGE 1/4 X 1/2 BALSA LBDGE TAILWHEEL SPRING /4 SHEET CENTERWIRED INTO RUDDER ROST I/8LITE PLY FORALLBULI-EAj5 AILERON BELLCRANK ON V8PLVWOOO GUSSET &16X 1/4 REAR SRAR TOP AND BOT1DM OF BOTH WINGS BALSA FILLER IN SIR ALONG AILERON N I/4X I/2SPRUCE UPPER 8 IDA/ER MAIN SPARS BOTH WINGS owned growing interest giant scale models giant Dakota Dakota Grande 2l times size original What once chubby cute sud denly became rather large rotund Friends neighbors Ive built whole models weighed less Dakotas wheels 7 square feet wing area play 7- 9-lb flying weight unreasonable Mine weighs 7 lb dry overpowered its Fox Eagie 60 Being enlarged Free Flight models natural tendency climb power applied design intended realistic rumble down memory laneat scale speed idea fun flying around V throttle making low fly-bys down runway wheel 24 Model Aviation landings sunset airplane Roll up shirt sleeves dig Construction nothing difficult about building bird however lot build chose build fuselage lite ply Lumberyards sell door skins also work well wings tall conventional balsa spruce plywood construction stuck inverted engine preserve character models nose After living awhile wont hold against you mount motor upright Rather giving lengthy detailed step-bystep construction treatise Ill just cover high points try help over rough spots Besides youre old enough remember Continued page 26 firewall braced rearwith triangle stock after engine mount bolted Views ot center section bOtfl wingS uuiia tne wings inc same tIme its easier make sure have same dihedral way Wing tip constructIon simpie i-alec nan-riDs save lIme Trounle ana balsa cross braces keep structure strong cabin top Note installation top block wing hold-down dowel Light ply fuse sides lots gussets make strong ship view fuselage top shows off hefty construction loads gussets wing saddle reinforcements topbrow block Landing gear construction straignitorwara Over-and -under wings ailow easy access radio compartment Heres fuselage sides look inside Dontfeei too bad built two identical sides instead right left just build another Dakota makers popular PLUGDRIVER t & easy startingRCa Ai Lightsjglow plugs adj twin plug-s Bright plugs 12v battery sags 7voltsl Nodroppingresistors $4250 Kit&N $5000 Assem IORDER PHONE -.J203 333-1717 r ease sendDRIVER PANEL Kits $4250 I_____DRIVER PANEL 5 Assembled $5000 eachPlease Print Address Clearly I Include $150 P&H Name _____________________________________________ Add $150 C 0 D Address___________________________________ Ct Res add sales tax City State Zip__________ banana plugs wirecaae hardware refund Northeast Engineering RO Box 6201A Bridgeport Ct 06606 original model wont have too much trouble Fuselage Cut two identical sides lite ply mark former locations inside Cement doublers 1 through 4 place using formers help line things up x ce cabin stiffener goes next along square balsa edging aft cabin Pre-drill gussets wing dowels before stick m Now moment truth Check sides see whether built both left right youll just have build matched pair Dakotas Join sides cementing formers 2 3 4 place flat surface check alignment carefully Once glue dries add rest formers aft cabin Bolt motor mount firewall reinforce slow-cure epoxy triangle stock goes now built landing gear blocks up 3/16 plywood could use hardwood have router cut grooves Epoxy com pleted blocks place making sure left leg leads Bend legs 3/16-in music wire weight model goes up much over might consider 7/32 -in music wire Once chore completed slip legs place slide wheels Set fuselage bench admire minute before continue Plank bottom ahead lower wing lite ply Everything else gets planked firm balsa applied cross-grain Cut cabin top block shape Carve slot wing dowel before epoxy place Mount motor install fuel tank before epoxy cowl block place Fiberglass motor com partment add some cloth around edges dont think can build firewall too strong some sanding now catch other little things may have forgotten Tail surfaces Built strong light bent tall wheel gear 3/32-in music wire Use strip aileron bearing tail wheel bracket Sand surfaces set fuselage until need Wings Using trusty template cut out 20 main ribs Cut six centersectlon ribs four tip ribs 24 false ribs Pin leading edge trailing edge spruce bottom spars down plan trailing edge must laminated since cant find 5/32 1-in balsa strip stock Cut tip parts both wings same time ensure uniformity Cement tips place plank bottom center section area Now can start sticking ribs As drawn plywood dihedral braces 1 too long cut 12-in sheet ply cheated cut shorter stock Once panels dry raise tip 2 off board epoxy dihedral braces place Doing time will help ensure panels equal built ailerons top wing oaly As designed bank aircraft scale-like manner snappier performance desired could build ailerons bottom wing well Now time cement top spars place shear webs next followed center section planking diagonals Use block plane shape leading trailing edges Before cover completed wings imbed piece 1/16-in music wire center section trailing edge protect against rubberband cuts Continued page 68 26 Model Aviation Iof NORTHERN CALIFORNIA S LARGESTU IDISCOUNT HOBBY SHOPI IF well FUELyou New high film strength lubricantU increased power engine lifeI Highest quality ingredientsI IJ Deteroent action cut varnish I I II II II II II II II II II IHOURS ,U inursoay CT rnooy YU-OUUI L m m 8 Model Aviation Astros new 05 turns 6 x 4 Cox 13000 8-to 9-mm flights 7 x 4 11000perfect 6-ft sailplane hot-wind featuring special ball bearing 6-cell 12 amp battery Miscellany Doug Pratt video tape crazy play Prince Valiant adventures through color TV guys go ape have no idea what see after session gab between guys flying fascinating overheard conversa tions Video will animate club think clubs should have least buddy box system rate learning fantastic Confidence comes quickly good pilot better can sharpen up can believeeven maneuvers think impossible Local show team has Tartan Cub act plagued take-off engine failures As said two months ago smoke does always mean engine rich chaps tached engine opened valve three turns rpm came up 1000to 7000 think engine should tached max rpm rich side backed off tadand mon sters need held nose-up lean test Bill Winter 433OAlta Vista Dr Fairfaz VA 22030 Dakota Grande/Wrisley Continued page 26 Final assembly Mount radio route pushrods before cover fuselage Dont epoxy wing hold down dowels until after cover Install windows windshield after no longer need reach through holes used Williams Brothers 3-in pilot added realism Now time get critical Does balance everything aligned properly surfaces move freely right directions wiggle rudder does pushrod flex Does engine idle properly flying Mere words cant describe feeling gets before test flight such magnitude Go slowly Make some fast taxi runs before ease model air Once airborne will pleasantly surprised Ive found can fly rudder alone Control climb power Trim model tad nose heavy control float final ap proach Until get feel flying bird make wheel landings As little sister Grandes forte fly-by Time time again will find yourself flying down runway low slow drinking character true classic Write care editor send picture Dakota Grande Nats General Continued page 29 shifting Nats activities San Antonio area tremendously aided availability another club closer Se gum Tn-Cities RC Flyers under leadership Russ Bear Snyder normally flew weekends Seguin better position San Antonio ARCS coordinate Nats matters Air Force physically assist Nats prepara tions Russ together other key Tn-Cities Club leadersKai Jensen Jack Matlock Kelso Barnettdid bulk pre-Nats work also during Nats end however area clubs contributed significantly Tn-Cities ARCS San Antonio Continued page 103 Giant Scale 1911 BLE RIOT Xl BUILDS FAST LIKE TRAINER Wingspan 108 Engine 6015 Weight 11 lbs MA I1 LKAI- Rt 3 Box 201 Hillsboro OR 97123 648 -4888
Edition: Model Aviation - 1981/11
Page Numbers: 20, 21, 22, 23, 24, 26, 68
I muy uuum 019 Tor incnooiyara TIYIfl DaKota tirande docile enough handle small tielis very well Putting ailerons both wings makes capable acrobatic flight As can count low steady fly-bys solid touch-and-goes Kids Dakota-crazy Fifties little FF critters just flew like mad new 1/2As Fond memories Dakotas have inspired RC 60-powered big brother present flies just beautifully originals fun @ Randy Wrisley 20 Model Aviation family portrait Dakotas Ernie Wrisleys .. c~i ight anss Tfle engine room simple accessible Just about Inverted muffler manifold could Square off jaw bit could Bill Winter looking out Dakotas windshield Seems used shown Tatone Pitts-styie appropriate since Bill suggested project author November1981 21 I WAY BACK 1950 Henry Engineering intro duced ajaunty little Free Flight biplane product line Dakota designed Joe Wagner intended then-new 1A power plants father built around 1957 As kid would spend hours cranking inverted Atwood 049 its snout wellworn motor started would run fast launch model skyward Next came long chase old Dakota would fly forever Clarence Haught enlarged Joes design 25% back 1978 built RC version Editor Haughts FF Dakota 049 enlarged 25% available MA Plan No 242 $275 major change made convert back inverted engine mount remembered weli What got money finest flying schoolyard-size model lever UrU CPU iigrn U110 Sirung liftS wvuryning uncoverea lOOKS cute Wifl9 flaives unouma 81100 JOiNSO attn same time ensure else Note tall-wheel bracket made strip dihedral angels come out same 60 power allows strong heavy structure aileron hardware 22 Model Aviation Landing gear attached nylon straps Wheels forward Ca puts weight tall wheel Improve ground handling Its notso much radlocompartmentasltisaradloroom old-style push-pull servos could fit herewith room spare Sinceyourflngers can get easily theres no excuse sloppy InstallatIons bottom wing shows neat InstallatIon Turns very scale-ilke throw could easliy cranked Dakota doesnt need much elevatortravel tall-wheel bracket made strip aileron hardware tall wheel one-inch diameter oo HO ThN -Tm3 DOWEL 4 USED BALSA aOCK AS WINOSHEILD CAP F /4 PLYWOOD FIREWALL/ 1 2 BALSA BLflCK NOSE OOWLING FOX EAGLE 60 I/BSADDLE REINFI/8BALSA WEBS BETWEEN IF28 F3 I/4PLYWOOD 1/2 BALSA TRIANGLE LITE -PLY SIDESSECTiONS MOIJITED UNDER NOSE TO TAL OSV4- PLYWOOD BLOCKSUPPER AND LOWER SPARS BOTh WINGS 1/4 BALSA NOSE DOUBLER TO FIRENALL WILLIAMS 155 WHEELSIiBBALSA SHEET ALL RIBSV2X 3/4 BALSA LEADING EDGE 1/4 X 1/2 BALSA LBDGE TAILWHEEL SPRING /4 SHEET CENTERWIRED INTO RUDDER ROST I/8LITE PLY FORALLBULI-EAj5 AILERON BELLCRANK ON V8PLVWOOO GUSSET &16X 1/4 REAR SRAR TOP AND BOT1DM OF BOTH WINGS BALSA FILLER IN SIR ALONG AILERON N I/4X I/2SPRUCE UPPER 8 IDA/ER MAIN SPARS BOTH WINGS owned growing interest giant scale models giant Dakota Dakota Grande 2l times size original What once chubby cute sud denly became rather large rotund Friends neighbors Ive built whole models weighed less Dakotas wheels 7 square feet wing area play 7- 9-lb flying weight unreasonable Mine weighs 7 lb dry overpowered its Fox Eagie 60 Being enlarged Free Flight models natural tendency climb power applied design intended realistic rumble down memory laneat scale speed idea fun flying around V throttle making low fly-bys down runway wheel 24 Model Aviation landings sunset airplane Roll up shirt sleeves dig Construction nothing difficult about building bird however lot build chose build fuselage lite ply Lumberyards sell door skins also work well wings tall conventional balsa spruce plywood construction stuck inverted engine preserve character models nose After living awhile wont hold against you mount motor upright Rather giving lengthy detailed step-bystep construction treatise Ill just cover high points try help over rough spots Besides youre old enough remember Continued page 26 firewall braced rearwith triangle stock after engine mount bolted Views ot center section bOtfl wingS uuiia tne wings inc same tIme its easier make sure have same dihedral way Wing tip constructIon simpie i-alec nan-riDs save lIme Trounle ana balsa cross braces keep structure strong cabin top Note installation top block wing hold-down dowel Light ply fuse sides lots gussets make strong ship view fuselage top shows off hefty construction loads gussets wing saddle reinforcements topbrow block Landing gear construction straignitorwara Over-and -under wings ailow easy access radio compartment Heres fuselage sides look inside Dontfeei too bad built two identical sides instead right left just build another Dakota makers popular PLUGDRIVER t & easy startingRCa Ai Lightsjglow plugs adj twin plug-s Bright plugs 12v battery sags 7voltsl Nodroppingresistors $4250 Kit&N $5000 Assem IORDER PHONE -.J203 333-1717 r ease sendDRIVER PANEL Kits $4250 I_____DRIVER PANEL 5 Assembled $5000 eachPlease Print Address Clearly I Include $150 P&H Name _____________________________________________ Add $150 C 0 D Address___________________________________ Ct Res add sales tax City State Zip__________ banana plugs wirecaae hardware refund Northeast Engineering RO Box 6201A Bridgeport Ct 06606 original model wont have too much trouble Fuselage Cut two identical sides lite ply mark former locations inside Cement doublers 1 through 4 place using formers help line things up x ce cabin stiffener goes next along square balsa edging aft cabin Pre-drill gussets wing dowels before stick m Now moment truth Check sides see whether built both left right youll just have build matched pair Dakotas Join sides cementing formers 2 3 4 place flat surface check alignment carefully Once glue dries add rest formers aft cabin Bolt motor mount firewall reinforce slow-cure epoxy triangle stock goes now built landing gear blocks up 3/16 plywood could use hardwood have router cut grooves Epoxy com pleted blocks place making sure left leg leads Bend legs 3/16-in music wire weight model goes up much over might consider 7/32 -in music wire Once chore completed slip legs place slide wheels Set fuselage bench admire minute before continue Plank bottom ahead lower wing lite ply Everything else gets planked firm balsa applied cross-grain Cut cabin top block shape Carve slot wing dowel before epoxy place Mount motor install fuel tank before epoxy cowl block place Fiberglass motor com partment add some cloth around edges dont think can build firewall too strong some sanding now catch other little things may have forgotten Tail surfaces Built strong light bent tall wheel gear 3/32-in music wire Use strip aileron bearing tail wheel bracket Sand surfaces set fuselage until need Wings Using trusty template cut out 20 main ribs Cut six centersectlon ribs four tip ribs 24 false ribs Pin leading edge trailing edge spruce bottom spars down plan trailing edge must laminated since cant find 5/32 1-in balsa strip stock Cut tip parts both wings same time ensure uniformity Cement tips place plank bottom center section area Now can start sticking ribs As drawn plywood dihedral braces 1 too long cut 12-in sheet ply cheated cut shorter stock Once panels dry raise tip 2 off board epoxy dihedral braces place Doing time will help ensure panels equal built ailerons top wing oaly As designed bank aircraft scale-like manner snappier performance desired could build ailerons bottom wing well Now time cement top spars place shear webs next followed center section planking diagonals Use block plane shape leading trailing edges Before cover completed wings imbed piece 1/16-in music wire center section trailing edge protect against rubberband cuts Continued page 68 26 Model Aviation Iof NORTHERN CALIFORNIA S LARGESTU IDISCOUNT HOBBY SHOPI IF well FUELyou New high film strength lubricantU increased power engine lifeI Highest quality ingredientsI IJ Deteroent action cut varnish I I II II II II II II II II II IHOURS ,U inursoay CT rnooy YU-OUUI L m m 8 Model Aviation Astros new 05 turns 6 x 4 Cox 13000 8-to 9-mm flights 7 x 4 11000perfect 6-ft sailplane hot-wind featuring special ball bearing 6-cell 12 amp battery Miscellany Doug Pratt video tape crazy play Prince Valiant adventures through color TV guys go ape have no idea what see after session gab between guys flying fascinating overheard conversa tions Video will animate club think clubs should have least buddy box system rate learning fantastic Confidence comes quickly good pilot better can sharpen up can believeeven maneuvers think impossible Local show team has Tartan Cub act plagued take-off engine failures As said two months ago smoke does always mean engine rich chaps tached engine opened valve three turns rpm came up 1000to 7000 think engine should tached max rpm rich side backed off tadand mon sters need held nose-up lean test Bill Winter 433OAlta Vista Dr Fairfaz VA 22030 Dakota Grande/Wrisley Continued page 26 Final assembly Mount radio route pushrods before cover fuselage Dont epoxy wing hold down dowels until after cover Install windows windshield after no longer need reach through holes used Williams Brothers 3-in pilot added realism Now time get critical Does balance everything aligned properly surfaces move freely right directions wiggle rudder does pushrod flex Does engine idle properly flying Mere words cant describe feeling gets before test flight such magnitude Go slowly Make some fast taxi runs before ease model air Once airborne will pleasantly surprised Ive found can fly rudder alone Control climb power Trim model tad nose heavy control float final ap proach Until get feel flying bird make wheel landings As little sister Grandes forte fly-by Time time again will find yourself flying down runway low slow drinking character true classic Write care editor send picture Dakota Grande Nats General Continued page 29 shifting Nats activities San Antonio area tremendously aided availability another club closer Se gum Tn-Cities RC Flyers under leadership Russ Bear Snyder normally flew weekends Seguin better position San Antonio ARCS coordinate Nats matters Air Force physically assist Nats prepara tions Russ together other key Tn-Cities Club leadersKai Jensen Jack Matlock Kelso Barnettdid bulk pre-Nats work also during Nats end however area clubs contributed significantly Tn-Cities ARCS San Antonio Continued page 103 Giant Scale 1911 BLE RIOT Xl BUILDS FAST LIKE TRAINER Wingspan 108 Engine 6015 Weight 11 lbs MA I1 LKAI- Rt 3 Box 201 Hillsboro OR 97123 648 -4888
Edition: Model Aviation - 1981/11
Page Numbers: 20, 21, 22, 23, 24, 26, 68
I muy uuum 019 Tor incnooiyara TIYIfl DaKota tirande docile enough handle small tielis very well Putting ailerons both wings makes capable acrobatic flight As can count low steady fly-bys solid touch-and-goes Kids Dakota-crazy Fifties little FF critters just flew like mad new 1/2As Fond memories Dakotas have inspired RC 60-powered big brother present flies just beautifully originals fun @ Randy Wrisley 20 Model Aviation family portrait Dakotas Ernie Wrisleys .. c~i ight anss Tfle engine room simple accessible Just about Inverted muffler manifold could Square off jaw bit could Bill Winter looking out Dakotas windshield Seems used shown Tatone Pitts-styie appropriate since Bill suggested project author November1981 21 I WAY BACK 1950 Henry Engineering intro duced ajaunty little Free Flight biplane product line Dakota designed Joe Wagner intended then-new 1A power plants father built around 1957 As kid would spend hours cranking inverted Atwood 049 its snout wellworn motor started would run fast launch model skyward Next came long chase old Dakota would fly forever Clarence Haught enlarged Joes design 25% back 1978 built RC version Editor Haughts FF Dakota 049 enlarged 25% available MA Plan No 242 $275 major change made convert back inverted engine mount remembered weli What got money finest flying schoolyard-size model lever UrU CPU iigrn U110 Sirung liftS wvuryning uncoverea lOOKS cute Wifl9 flaives unouma 81100 JOiNSO attn same time ensure else Note tall-wheel bracket made strip dihedral angels come out same 60 power allows strong heavy structure aileron hardware 22 Model Aviation Landing gear attached nylon straps Wheels forward Ca puts weight tall wheel Improve ground handling Its notso much radlocompartmentasltisaradloroom old-style push-pull servos could fit herewith room spare Sinceyourflngers can get easily theres no excuse sloppy InstallatIons bottom wing shows neat InstallatIon Turns very scale-ilke throw could easliy cranked Dakota doesnt need much elevatortravel tall-wheel bracket made strip aileron hardware tall wheel one-inch diameter oo HO ThN -Tm3 DOWEL 4 USED BALSA aOCK AS WINOSHEILD CAP F /4 PLYWOOD FIREWALL/ 1 2 BALSA BLflCK NOSE OOWLING FOX EAGLE 60 I/BSADDLE REINFI/8BALSA WEBS BETWEEN IF28 F3 I/4PLYWOOD 1/2 BALSA TRIANGLE LITE -PLY SIDESSECTiONS MOIJITED UNDER NOSE TO TAL OSV4- PLYWOOD BLOCKSUPPER AND LOWER SPARS BOTh WINGS 1/4 BALSA NOSE DOUBLER TO FIRENALL WILLIAMS 155 WHEELSIiBBALSA SHEET ALL RIBSV2X 3/4 BALSA LEADING EDGE 1/4 X 1/2 BALSA LBDGE TAILWHEEL SPRING /4 SHEET CENTERWIRED INTO RUDDER ROST I/8LITE PLY FORALLBULI-EAj5 AILERON BELLCRANK ON V8PLVWOOO GUSSET &16X 1/4 REAR SRAR TOP AND BOT1DM OF BOTH WINGS BALSA FILLER IN SIR ALONG AILERON N I/4X I/2SPRUCE UPPER 8 IDA/ER MAIN SPARS BOTH WINGS owned growing interest giant scale models giant Dakota Dakota Grande 2l times size original What once chubby cute sud denly became rather large rotund Friends neighbors Ive built whole models weighed less Dakotas wheels 7 square feet wing area play 7- 9-lb flying weight unreasonable Mine weighs 7 lb dry overpowered its Fox Eagie 60 Being enlarged Free Flight models natural tendency climb power applied design intended realistic rumble down memory laneat scale speed idea fun flying around V throttle making low fly-bys down runway wheel 24 Model Aviation landings sunset airplane Roll up shirt sleeves dig Construction nothing difficult about building bird however lot build chose build fuselage lite ply Lumberyards sell door skins also work well wings tall conventional balsa spruce plywood construction stuck inverted engine preserve character models nose After living awhile wont hold against you mount motor upright Rather giving lengthy detailed step-bystep construction treatise Ill just cover high points try help over rough spots Besides youre old enough remember Continued page 26 firewall braced rearwith triangle stock after engine mount bolted Views ot center section bOtfl wingS uuiia tne wings inc same tIme its easier make sure have same dihedral way Wing tip constructIon simpie i-alec nan-riDs save lIme Trounle ana balsa cross braces keep structure strong cabin top Note installation top block wing hold-down dowel Light ply fuse sides lots gussets make strong ship view fuselage top shows off hefty construction loads gussets wing saddle reinforcements topbrow block Landing gear construction straignitorwara Over-and -under wings ailow easy access radio compartment Heres fuselage sides look inside Dontfeei too bad built two identical sides instead right left just build another Dakota makers popular PLUGDRIVER t & easy startingRCa Ai Lightsjglow plugs adj twin plug-s Bright plugs 12v battery sags 7voltsl Nodroppingresistors $4250 Kit&N $5000 Assem IORDER PHONE -.J203 333-1717 r ease sendDRIVER PANEL Kits $4250 I_____DRIVER PANEL 5 Assembled $5000 eachPlease Print Address Clearly I Include $150 P&H Name _____________________________________________ Add $150 C 0 D Address___________________________________ Ct Res add sales tax City State Zip__________ banana plugs wirecaae hardware refund Northeast Engineering RO Box 6201A Bridgeport Ct 06606 original model wont have too much trouble Fuselage Cut two identical sides lite ply mark former locations inside Cement doublers 1 through 4 place using formers help line things up x ce cabin stiffener goes next along square balsa edging aft cabin Pre-drill gussets wing dowels before stick m Now moment truth Check sides see whether built both left right youll just have build matched pair Dakotas Join sides cementing formers 2 3 4 place flat surface check alignment carefully Once glue dries add rest formers aft cabin Bolt motor mount firewall reinforce slow-cure epoxy triangle stock goes now built landing gear blocks up 3/16 plywood could use hardwood have router cut grooves Epoxy com pleted blocks place making sure left leg leads Bend legs 3/16-in music wire weight model goes up much over might consider 7/32 -in music wire Once chore completed slip legs place slide wheels Set fuselage bench admire minute before continue Plank bottom ahead lower wing lite ply Everything else gets planked firm balsa applied cross-grain Cut cabin top block shape Carve slot wing dowel before epoxy place Mount motor install fuel tank before epoxy cowl block place Fiberglass motor com partment add some cloth around edges dont think can build firewall too strong some sanding now catch other little things may have forgotten Tail surfaces Built strong light bent tall wheel gear 3/32-in music wire Use strip aileron bearing tail wheel bracket Sand surfaces set fuselage until need Wings Using trusty template cut out 20 main ribs Cut six centersectlon ribs four tip ribs 24 false ribs Pin leading edge trailing edge spruce bottom spars down plan trailing edge must laminated since cant find 5/32 1-in balsa strip stock Cut tip parts both wings same time ensure uniformity Cement tips place plank bottom center section area Now can start sticking ribs As drawn plywood dihedral braces 1 too long cut 12-in sheet ply cheated cut shorter stock Once panels dry raise tip 2 off board epoxy dihedral braces place Doing time will help ensure panels equal built ailerons top wing oaly As designed bank aircraft scale-like manner snappier performance desired could build ailerons bottom wing well Now time cement top spars place shear webs next followed center section planking diagonals Use block plane shape leading trailing edges Before cover completed wings imbed piece 1/16-in music wire center section trailing edge protect against rubberband cuts Continued page 68 26 Model Aviation Iof NORTHERN CALIFORNIA S LARGESTU IDISCOUNT HOBBY SHOPI IF well FUELyou New high film strength lubricantU increased power engine lifeI Highest quality ingredientsI IJ Deteroent action cut varnish I I II II II II II II II II II IHOURS ,U inursoay CT rnooy YU-OUUI L m m 8 Model Aviation Astros new 05 turns 6 x 4 Cox 13000 8-to 9-mm flights 7 x 4 11000perfect 6-ft sailplane hot-wind featuring special ball bearing 6-cell 12 amp battery Miscellany Doug Pratt video tape crazy play Prince Valiant adventures through color TV guys go ape have no idea what see after session gab between guys flying fascinating overheard conversa tions Video will animate club think clubs should have least buddy box system rate learning fantastic Confidence comes quickly good pilot better can sharpen up can believeeven maneuvers think impossible Local show team has Tartan Cub act plagued take-off engine failures As said two months ago smoke does always mean engine rich chaps tached engine opened valve three turns rpm came up 1000to 7000 think engine should tached max rpm rich side backed off tadand mon sters need held nose-up lean test Bill Winter 433OAlta Vista Dr Fairfaz VA 22030 Dakota Grande/Wrisley Continued page 26 Final assembly Mount radio route pushrods before cover fuselage Dont epoxy wing hold down dowels until after cover Install windows windshield after no longer need reach through holes used Williams Brothers 3-in pilot added realism Now time get critical Does balance everything aligned properly surfaces move freely right directions wiggle rudder does pushrod flex Does engine idle properly flying Mere words cant describe feeling gets before test flight such magnitude Go slowly Make some fast taxi runs before ease model air Once airborne will pleasantly surprised Ive found can fly rudder alone Control climb power Trim model tad nose heavy control float final ap proach Until get feel flying bird make wheel landings As little sister Grandes forte fly-by Time time again will find yourself flying down runway low slow drinking character true classic Write care editor send picture Dakota Grande Nats General Continued page 29 shifting Nats activities San Antonio area tremendously aided availability another club closer Se gum Tn-Cities RC Flyers under leadership Russ Bear Snyder normally flew weekends Seguin better position San Antonio ARCS coordinate Nats matters Air Force physically assist Nats prepara tions Russ together other key Tn-Cities Club leadersKai Jensen Jack Matlock Kelso Barnettdid bulk pre-Nats work also during Nats end however area clubs contributed significantly Tn-Cities ARCS San Antonio Continued page 103 Giant Scale 1911 BLE RIOT Xl BUILDS FAST LIKE TRAINER Wingspan 108 Engine 6015 Weight 11 lbs MA I1 LKAI- Rt 3 Box 201 Hillsboro OR 97123 648 -4888
Edition: Model Aviation - 1981/11
Page Numbers: 20, 21, 22, 23, 24, 26, 68
I muy uuum 019 Tor incnooiyara TIYIfl DaKota tirande docile enough handle small tielis very well Putting ailerons both wings makes capable acrobatic flight As can count low steady fly-bys solid touch-and-goes Kids Dakota-crazy Fifties little FF critters just flew like mad new 1/2As Fond memories Dakotas have inspired RC 60-powered big brother present flies just beautifully originals fun @ Randy Wrisley 20 Model Aviation family portrait Dakotas Ernie Wrisleys .. c~i ight anss Tfle engine room simple accessible Just about Inverted muffler manifold could Square off jaw bit could Bill Winter looking out Dakotas windshield Seems used shown Tatone Pitts-styie appropriate since Bill suggested project author November1981 21 I WAY BACK 1950 Henry Engineering intro duced ajaunty little Free Flight biplane product line Dakota designed Joe Wagner intended then-new 1A power plants father built around 1957 As kid would spend hours cranking inverted Atwood 049 its snout wellworn motor started would run fast launch model skyward Next came long chase old Dakota would fly forever Clarence Haught enlarged Joes design 25% back 1978 built RC version Editor Haughts FF Dakota 049 enlarged 25% available MA Plan No 242 $275 major change made convert back inverted engine mount remembered weli What got money finest flying schoolyard-size model lever UrU CPU iigrn U110 Sirung liftS wvuryning uncoverea lOOKS cute Wifl9 flaives unouma 81100 JOiNSO attn same time ensure else Note tall-wheel bracket made strip dihedral angels come out same 60 power allows strong heavy structure aileron hardware 22 Model Aviation Landing gear attached nylon straps Wheels forward Ca puts weight tall wheel Improve ground handling Its notso much radlocompartmentasltisaradloroom old-style push-pull servos could fit herewith room spare Sinceyourflngers can get easily theres no excuse sloppy InstallatIons bottom wing shows neat InstallatIon Turns very scale-ilke throw could easliy cranked Dakota doesnt need much elevatortravel tall-wheel bracket made strip aileron hardware tall wheel one-inch diameter oo HO ThN -Tm3 DOWEL 4 USED BALSA aOCK AS WINOSHEILD CAP F /4 PLYWOOD FIREWALL/ 1 2 BALSA BLflCK NOSE OOWLING FOX EAGLE 60 I/BSADDLE REINFI/8BALSA WEBS BETWEEN IF28 F3 I/4PLYWOOD 1/2 BALSA TRIANGLE LITE -PLY SIDESSECTiONS MOIJITED UNDER NOSE TO TAL OSV4- PLYWOOD BLOCKSUPPER AND LOWER SPARS BOTh WINGS 1/4 BALSA NOSE DOUBLER TO FIRENALL WILLIAMS 155 WHEELSIiBBALSA SHEET ALL RIBSV2X 3/4 BALSA LEADING EDGE 1/4 X 1/2 BALSA LBDGE TAILWHEEL SPRING /4 SHEET CENTERWIRED INTO RUDDER ROST I/8LITE PLY FORALLBULI-EAj5 AILERON BELLCRANK ON V8PLVWOOO GUSSET &16X 1/4 REAR SRAR TOP AND BOT1DM OF BOTH WINGS BALSA FILLER IN SIR ALONG AILERON N I/4X I/2SPRUCE UPPER 8 IDA/ER MAIN SPARS BOTH WINGS owned growing interest giant scale models giant Dakota Dakota Grande 2l times size original What once chubby cute sud denly became rather large rotund Friends neighbors Ive built whole models weighed less Dakotas wheels 7 square feet wing area play 7- 9-lb flying weight unreasonable Mine weighs 7 lb dry overpowered its Fox Eagie 60 Being enlarged Free Flight models natural tendency climb power applied design intended realistic rumble down memory laneat scale speed idea fun flying around V throttle making low fly-bys down runway wheel 24 Model Aviation landings sunset airplane Roll up shirt sleeves dig Construction nothing difficult about building bird however lot build chose build fuselage lite ply Lumberyards sell door skins also work well wings tall conventional balsa spruce plywood construction stuck inverted engine preserve character models nose After living awhile wont hold against you mount motor upright Rather giving lengthy detailed step-bystep construction treatise Ill just cover high points try help over rough spots Besides youre old enough remember Continued page 26 firewall braced rearwith triangle stock after engine mount bolted Views ot center section bOtfl wingS uuiia tne wings inc same tIme its easier make sure have same dihedral way Wing tip constructIon simpie i-alec nan-riDs save lIme Trounle ana balsa cross braces keep structure strong cabin top Note installation top block wing hold-down dowel Light ply fuse sides lots gussets make strong ship view fuselage top shows off hefty construction loads gussets wing saddle reinforcements topbrow block Landing gear construction straignitorwara Over-and -under wings ailow easy access radio compartment Heres fuselage sides look inside Dontfeei too bad built two identical sides instead right left just build another Dakota makers popular PLUGDRIVER t & easy startingRCa Ai Lightsjglow plugs adj twin plug-s Bright plugs 12v battery sags 7voltsl Nodroppingresistors $4250 Kit&N $5000 Assem IORDER PHONE -.J203 333-1717 r ease sendDRIVER PANEL Kits $4250 I_____DRIVER PANEL 5 Assembled $5000 eachPlease Print Address Clearly I Include $150 P&H Name _____________________________________________ Add $150 C 0 D Address___________________________________ Ct Res add sales tax City State Zip__________ banana plugs wirecaae hardware refund Northeast Engineering RO Box 6201A Bridgeport Ct 06606 original model wont have too much trouble Fuselage Cut two identical sides lite ply mark former locations inside Cement doublers 1 through 4 place using formers help line things up x ce cabin stiffener goes next along square balsa edging aft cabin Pre-drill gussets wing dowels before stick m Now moment truth Check sides see whether built both left right youll just have build matched pair Dakotas Join sides cementing formers 2 3 4 place flat surface check alignment carefully Once glue dries add rest formers aft cabin Bolt motor mount firewall reinforce slow-cure epoxy triangle stock goes now built landing gear blocks up 3/16 plywood could use hardwood have router cut grooves Epoxy com pleted blocks place making sure left leg leads Bend legs 3/16-in music wire weight model goes up much over might consider 7/32 -in music wire Once chore completed slip legs place slide wheels Set fuselage bench admire minute before continue Plank bottom ahead lower wing lite ply Everything else gets planked firm balsa applied cross-grain Cut cabin top block shape Carve slot wing dowel before epoxy place Mount motor install fuel tank before epoxy cowl block place Fiberglass motor com partment add some cloth around edges dont think can build firewall too strong some sanding now catch other little things may have forgotten Tail surfaces Built strong light bent tall wheel gear 3/32-in music wire Use strip aileron bearing tail wheel bracket Sand surfaces set fuselage until need Wings Using trusty template cut out 20 main ribs Cut six centersectlon ribs four tip ribs 24 false ribs Pin leading edge trailing edge spruce bottom spars down plan trailing edge must laminated since cant find 5/32 1-in balsa strip stock Cut tip parts both wings same time ensure uniformity Cement tips place plank bottom center section area Now can start sticking ribs As drawn plywood dihedral braces 1 too long cut 12-in sheet ply cheated cut shorter stock Once panels dry raise tip 2 off board epoxy dihedral braces place Doing time will help ensure panels equal built ailerons top wing oaly As designed bank aircraft scale-like manner snappier performance desired could build ailerons bottom wing well Now time cement top spars place shear webs next followed center section planking diagonals Use block plane shape leading trailing edges Before cover completed wings imbed piece 1/16-in music wire center section trailing edge protect against rubberband cuts Continued page 68 26 Model Aviation Iof NORTHERN CALIFORNIA S LARGESTU IDISCOUNT HOBBY SHOPI IF well FUELyou New high film strength lubricantU increased power engine lifeI Highest quality ingredientsI IJ Deteroent action cut varnish I I II II II II II II II II II IHOURS ,U inursoay CT rnooy YU-OUUI L m m 8 Model Aviation Astros new 05 turns 6 x 4 Cox 13000 8-to 9-mm flights 7 x 4 11000perfect 6-ft sailplane hot-wind featuring special ball bearing 6-cell 12 amp battery Miscellany Doug Pratt video tape crazy play Prince Valiant adventures through color TV guys go ape have no idea what see after session gab between guys flying fascinating overheard conversa tions Video will animate club think clubs should have least buddy box system rate learning fantastic Confidence comes quickly good pilot better can sharpen up can believeeven maneuvers think impossible Local show team has Tartan Cub act plagued take-off engine failures As said two months ago smoke does always mean engine rich chaps tached engine opened valve three turns rpm came up 1000to 7000 think engine should tached max rpm rich side backed off tadand mon sters need held nose-up lean test Bill Winter 433OAlta Vista Dr Fairfaz VA 22030 Dakota Grande/Wrisley Continued page 26 Final assembly Mount radio route pushrods before cover fuselage Dont epoxy wing hold down dowels until after cover Install windows windshield after no longer need reach through holes used Williams Brothers 3-in pilot added realism Now time get critical Does balance everything aligned properly surfaces move freely right directions wiggle rudder does pushrod flex Does engine idle properly flying Mere words cant describe feeling gets before test flight such magnitude Go slowly Make some fast taxi runs before ease model air Once airborne will pleasantly surprised Ive found can fly rudder alone Control climb power Trim model tad nose heavy control float final ap proach Until get feel flying bird make wheel landings As little sister Grandes forte fly-by Time time again will find yourself flying down runway low slow drinking character true classic Write care editor send picture Dakota Grande Nats General Continued page 29 shifting Nats activities San Antonio area tremendously aided availability another club closer Se gum Tn-Cities RC Flyers under leadership Russ Bear Snyder normally flew weekends Seguin better position San Antonio ARCS coordinate Nats matters Air Force physically assist Nats prepara tions Russ together other key Tn-Cities Club leadersKai Jensen Jack Matlock Kelso Barnettdid bulk pre-Nats work also during Nats end however area clubs contributed significantly Tn-Cities ARCS San Antonio Continued page 103 Giant Scale 1911 BLE RIOT Xl BUILDS FAST LIKE TRAINER Wingspan 108 Engine 6015 Weight 11 lbs MA I1 LKAI- Rt 3 Box 201 Hillsboro OR 97123 648 -4888