Electric Free Flight isnt event future its now Cheap clean noise-free has gaining greatly popularity can get good thing design has set exceeded its own records well building up impressive string Nats wins IN THE COURSE OF covering powered Free Flight Model Aviation during 1979 Lincoln Nats described Electric Power event trying find itself comment meant criticism rather positive note state-of-the-art implying Electric Power unlike other Free Flight events has refreshing amount room technical experimentation aircraft design development example among trophy winners electric power 1979 Nats 020 replica Valkyrie Bill Stroman converted Unlimited rubber Stratowake Bill Baker model presented Electric Country Boy development Bill Jenkins based Jim Clems A-A design Obviously event its embryonic stages tremendous latitude yet available originality refinement Bill Jenkins Electric Country Boy offers just such state-of-the-art commentary event eclipsed its own previous national record 1979 Nats recorded amazing 1331 first place feat repeated 1980 Dayton Nats third time 1981 Seguin Nats Electric CB began ship 1977 scaled-down version Clem craft kit carrying about 220 sq wing made comparable time small GLH Satellite small Country Boy proved bit good Bill hoped point held Cat III 2A Gas record about same time plane winning /2A contests setting records Bill decided shelve 320 sq electric ship February 1 982 49 Bill Jenkins switches Electric Country Boy Short nose moment due forward placement E Ia knflon minrk arid matnr kine wino anti rotnrlo inrnuc kia moan mneIaI flying build another fuselage small Country Boyone would accommo date 02 Astro Flight motor battery pack Building another fuselage meant trim adjustments could made fuselage touching existing wing stab Bills thinking proved right money pro ceeded prove worth new little ship setting national record April 1978 stood until August of79 shattered over 5 mm Lincoln Nats record still standing written Construction Wood selection important building model building com petition Free Flight Use good light A-grain fuselage sides C-grain wing stab ribs Spars stringers should light A-grain good resiliency Avoid overly heavy hard brittle pieces Particularly avoid wood appears excessively soft mushy fuselage employs basic framework built directly over plan fuselage sides time pylon rudder 8 x s longerons vertical members 8 sq strips rudder area assembledflat over plan cant emphasize theflat aspect too much Its way assure accuracy power pattern After fuselage framework dry use pattern cut out both right left fuselage sides Glue sheet sides both sides frame using Titebond similar glue weight assembly down until dries Again word flat comes fore will note no nose block firewall employed motor simply epoxied fuselage angles shown plan Scrap fill pieces can added either side motor give additional gluing surface on-board pattery pack fitted epoxied over hole cut pylon after basic assembly spruce front back pack additional spruce pieces used necessary wedge pack firmly place Radio Shack microswitch has two small mounting holes can held place toothpick pieces Hot Stuffed fuselage switch must mounted timer arm comes down switch lever cuts off current Keeping fingers entanglement can best handled gathering up slack wires securing fuselage sides small U-shaped pins dethermalizer system Bill has using number years Gas models As plans photos show snuffer tube bottom fuselage Notched spruce rails keep rubberbands gether away fuselage fuse doesnt go out before burning through bands limit line 6-lb monofilament tied base rudder top fuselage fastened stab rubberband stretched between back stab hooks wing stab built similar fashion flat building board Frame wing LE. TE ribs omitting spars dihedral break ribs until after dihedral polyhedral angles installed process makes important no twist built wing top bottom spars added can best ensured pinning down panel spars installed sup porting other panels blocking up avoid over-stressing previously formed joints Construction stabilizer differs wing pinning down bottom spar along leading trailing edges ribs top spars sheeted portions stab complete basic construction sequence Bill covered entire ship fuselage included Japanese tissue careful no warps pulled structure dope applied Since theres no fuel residue contend minimal amount dope can used wellthinned ample drying time between coats Nitrate dope would excellent way go ship Flying Tips surfaces should flat warp-free Any warps may have crept during finishing process course construction must steamed out prior flight testing right wing needs have 2 piece TE stock glued its bottom just inboard tip dihedral see plan location order right wing stay up during power pattern Check balance point make 50 Model Aviation stabilizer DT mode shows limit wire attaches through tube rudder Stab power/glide mode right note notches fuselage hold rubberbands near DT fuse Jenkins adjusts DT rubberband Country Boy Note fuse placement bottom fuselage FULL-SIZE PLANSAVAILABLE .SEE PAGE 140 STRIP OF T E STOCK FOR WASH IN RIGHT WING BOTTOM 7/16 TAPERED TRAILING EDGEP /a SHEET N K 1/16 GJSSET /16 SO T lIe SRER DOJBLERS R362R RI9191 N N 2-5/8 II/I6DIHEDRAL / I/B SHEEl Ikr/I6L RIBS IL/ SO I/B SO{ 1A6 SO 65R4 63 62NINI91NINI RIRINII 1/16 50 16 1/16 RIBS 7/16 TAPERED T E WING PLAN 1/16 SHE IT WEBBIN "7 Li 3/16 SO L E RS R4 LI6 SHEET R3 D-T HOOKS R2 1/16 SPAR DOUBLERS WINO RIB PATTERNS 3/32 SHEET 1/16 GUSSET I/B WING PLATFORM1/16 PLYWODO~I______ 1/16 SPAGERIC I/I6 I/B WING RUNNERSAI/B DOWEL ASTRO 020ELECTRIC COL4V7RY BOY RAIL STABILIZER CAT NO 275-OWoI23456DEVELOPED BY JIM CLEM B BILL JENKINS 1/2 SHEET SKID MICRO-SWITCH I TRACING BY JOE DEMARCO certain shown plan Add lead clay nose tail necessary Under calm conditions hand glide plane several times over tall grass shimming front stab plane stalls back stab dives Try long flat glide decided turn right Right glide can assured tilting stabilizer right top high viewed rear Electric power flights will differ bit what might used Gas job Through ex perimentation Bill has found optimum power pattern two full circles right within 25-second motor run Originally ship climbing pretty much straight away discovered ship tended hang propiust bit lesser power electric motor Putting Country Boy circular power pattern effectively uses lift provided wing seems allow plane center itself better thermal also provides extremely good transition power glide fact ground its sometimes difficult tell transition occurs Use rudder tab adjust power pattern its neither too tight nor too much wandering arc youre satisfied total flight characteristics little Country Boy take Out fly ita bunch Electric power has yet come its own either national regional level youre apt encounter hordes competitors event appears contest calendar event has shown phenomenal growth last year will continue gains exposure As nitro prices climb out sight noise pollution offends non-modelers flying fields grow smaller Electric Power event immediate future offers dependable steady power ease starting handling Electric Country Boy will put way ahead game 111/165II / 3/32 P5RS O-T 7/16 TE F Bill Bonnie Jenkins happily show off Country Boy right aftersetting National Record 1331
Edition: Model Aviation - 1982/02
Page Numbers: 49, 50, 51
Electric Free Flight isnt event future its now Cheap clean noise-free has gaining greatly popularity can get good thing design has set exceeded its own records well building up impressive string Nats wins IN THE COURSE OF covering powered Free Flight Model Aviation during 1979 Lincoln Nats described Electric Power event trying find itself comment meant criticism rather positive note state-of-the-art implying Electric Power unlike other Free Flight events has refreshing amount room technical experimentation aircraft design development example among trophy winners electric power 1979 Nats 020 replica Valkyrie Bill Stroman converted Unlimited rubber Stratowake Bill Baker model presented Electric Country Boy development Bill Jenkins based Jim Clems A-A design Obviously event its embryonic stages tremendous latitude yet available originality refinement Bill Jenkins Electric Country Boy offers just such state-of-the-art commentary event eclipsed its own previous national record 1979 Nats recorded amazing 1331 first place feat repeated 1980 Dayton Nats third time 1981 Seguin Nats Electric CB began ship 1977 scaled-down version Clem craft kit carrying about 220 sq wing made comparable time small GLH Satellite small Country Boy proved bit good Bill hoped point held Cat III 2A Gas record about same time plane winning /2A contests setting records Bill decided shelve 320 sq electric ship February 1 982 49 Bill Jenkins switches Electric Country Boy Short nose moment due forward placement E Ia knflon minrk arid matnr kine wino anti rotnrlo inrnuc kia moan mneIaI flying build another fuselage small Country Boyone would accommo date 02 Astro Flight motor battery pack Building another fuselage meant trim adjustments could made fuselage touching existing wing stab Bills thinking proved right money pro ceeded prove worth new little ship setting national record April 1978 stood until August of79 shattered over 5 mm Lincoln Nats record still standing written Construction Wood selection important building model building com petition Free Flight Use good light A-grain fuselage sides C-grain wing stab ribs Spars stringers should light A-grain good resiliency Avoid overly heavy hard brittle pieces Particularly avoid wood appears excessively soft mushy fuselage employs basic framework built directly over plan fuselage sides time pylon rudder 8 x s longerons vertical members 8 sq strips rudder area assembledflat over plan cant emphasize theflat aspect too much Its way assure accuracy power pattern After fuselage framework dry use pattern cut out both right left fuselage sides Glue sheet sides both sides frame using Titebond similar glue weight assembly down until dries Again word flat comes fore will note no nose block firewall employed motor simply epoxied fuselage angles shown plan Scrap fill pieces can added either side motor give additional gluing surface on-board pattery pack fitted epoxied over hole cut pylon after basic assembly spruce front back pack additional spruce pieces used necessary wedge pack firmly place Radio Shack microswitch has two small mounting holes can held place toothpick pieces Hot Stuffed fuselage switch must mounted timer arm comes down switch lever cuts off current Keeping fingers entanglement can best handled gathering up slack wires securing fuselage sides small U-shaped pins dethermalizer system Bill has using number years Gas models As plans photos show snuffer tube bottom fuselage Notched spruce rails keep rubberbands gether away fuselage fuse doesnt go out before burning through bands limit line 6-lb monofilament tied base rudder top fuselage fastened stab rubberband stretched between back stab hooks wing stab built similar fashion flat building board Frame wing LE. TE ribs omitting spars dihedral break ribs until after dihedral polyhedral angles installed process makes important no twist built wing top bottom spars added can best ensured pinning down panel spars installed sup porting other panels blocking up avoid over-stressing previously formed joints Construction stabilizer differs wing pinning down bottom spar along leading trailing edges ribs top spars sheeted portions stab complete basic construction sequence Bill covered entire ship fuselage included Japanese tissue careful no warps pulled structure dope applied Since theres no fuel residue contend minimal amount dope can used wellthinned ample drying time between coats Nitrate dope would excellent way go ship Flying Tips surfaces should flat warp-free Any warps may have crept during finishing process course construction must steamed out prior flight testing right wing needs have 2 piece TE stock glued its bottom just inboard tip dihedral see plan location order right wing stay up during power pattern Check balance point make 50 Model Aviation stabilizer DT mode shows limit wire attaches through tube rudder Stab power/glide mode right note notches fuselage hold rubberbands near DT fuse Jenkins adjusts DT rubberband Country Boy Note fuse placement bottom fuselage FULL-SIZE PLANSAVAILABLE .SEE PAGE 140 STRIP OF T E STOCK FOR WASH IN RIGHT WING BOTTOM 7/16 TAPERED TRAILING EDGEP /a SHEET N K 1/16 GJSSET /16 SO T lIe SRER DOJBLERS R362R RI9191 N N 2-5/8 II/I6DIHEDRAL / I/B SHEEl Ikr/I6L RIBS IL/ SO I/B SO{ 1A6 SO 65R4 63 62NINI91NINI RIRINII 1/16 50 16 1/16 RIBS 7/16 TAPERED T E WING PLAN 1/16 SHE IT WEBBIN "7 Li 3/16 SO L E RS R4 LI6 SHEET R3 D-T HOOKS R2 1/16 SPAR DOUBLERS WINO RIB PATTERNS 3/32 SHEET 1/16 GUSSET I/B WING PLATFORM1/16 PLYWODO~I______ 1/16 SPAGERIC I/I6 I/B WING RUNNERSAI/B DOWEL ASTRO 020ELECTRIC COL4V7RY BOY RAIL STABILIZER CAT NO 275-OWoI23456DEVELOPED BY JIM CLEM B BILL JENKINS 1/2 SHEET SKID MICRO-SWITCH I TRACING BY JOE DEMARCO certain shown plan Add lead clay nose tail necessary Under calm conditions hand glide plane several times over tall grass shimming front stab plane stalls back stab dives Try long flat glide decided turn right Right glide can assured tilting stabilizer right top high viewed rear Electric power flights will differ bit what might used Gas job Through ex perimentation Bill has found optimum power pattern two full circles right within 25-second motor run Originally ship climbing pretty much straight away discovered ship tended hang propiust bit lesser power electric motor Putting Country Boy circular power pattern effectively uses lift provided wing seems allow plane center itself better thermal also provides extremely good transition power glide fact ground its sometimes difficult tell transition occurs Use rudder tab adjust power pattern its neither too tight nor too much wandering arc youre satisfied total flight characteristics little Country Boy take Out fly ita bunch Electric power has yet come its own either national regional level youre apt encounter hordes competitors event appears contest calendar event has shown phenomenal growth last year will continue gains exposure As nitro prices climb out sight noise pollution offends non-modelers flying fields grow smaller Electric Power event immediate future offers dependable steady power ease starting handling Electric Country Boy will put way ahead game 111/165II / 3/32 P5RS O-T 7/16 TE F Bill Bonnie Jenkins happily show off Country Boy right aftersetting National Record 1331
Edition: Model Aviation - 1982/02
Page Numbers: 49, 50, 51
Electric Free Flight isnt event future its now Cheap clean noise-free has gaining greatly popularity can get good thing design has set exceeded its own records well building up impressive string Nats wins IN THE COURSE OF covering powered Free Flight Model Aviation during 1979 Lincoln Nats described Electric Power event trying find itself comment meant criticism rather positive note state-of-the-art implying Electric Power unlike other Free Flight events has refreshing amount room technical experimentation aircraft design development example among trophy winners electric power 1979 Nats 020 replica Valkyrie Bill Stroman converted Unlimited rubber Stratowake Bill Baker model presented Electric Country Boy development Bill Jenkins based Jim Clems A-A design Obviously event its embryonic stages tremendous latitude yet available originality refinement Bill Jenkins Electric Country Boy offers just such state-of-the-art commentary event eclipsed its own previous national record 1979 Nats recorded amazing 1331 first place feat repeated 1980 Dayton Nats third time 1981 Seguin Nats Electric CB began ship 1977 scaled-down version Clem craft kit carrying about 220 sq wing made comparable time small GLH Satellite small Country Boy proved bit good Bill hoped point held Cat III 2A Gas record about same time plane winning /2A contests setting records Bill decided shelve 320 sq electric ship February 1 982 49 Bill Jenkins switches Electric Country Boy Short nose moment due forward placement E Ia knflon minrk arid matnr kine wino anti rotnrlo inrnuc kia moan mneIaI flying build another fuselage small Country Boyone would accommo date 02 Astro Flight motor battery pack Building another fuselage meant trim adjustments could made fuselage touching existing wing stab Bills thinking proved right money pro ceeded prove worth new little ship setting national record April 1978 stood until August of79 shattered over 5 mm Lincoln Nats record still standing written Construction Wood selection important building model building com petition Free Flight Use good light A-grain fuselage sides C-grain wing stab ribs Spars stringers should light A-grain good resiliency Avoid overly heavy hard brittle pieces Particularly avoid wood appears excessively soft mushy fuselage employs basic framework built directly over plan fuselage sides time pylon rudder 8 x s longerons vertical members 8 sq strips rudder area assembledflat over plan cant emphasize theflat aspect too much Its way assure accuracy power pattern After fuselage framework dry use pattern cut out both right left fuselage sides Glue sheet sides both sides frame using Titebond similar glue weight assembly down until dries Again word flat comes fore will note no nose block firewall employed motor simply epoxied fuselage angles shown plan Scrap fill pieces can added either side motor give additional gluing surface on-board pattery pack fitted epoxied over hole cut pylon after basic assembly spruce front back pack additional spruce pieces used necessary wedge pack firmly place Radio Shack microswitch has two small mounting holes can held place toothpick pieces Hot Stuffed fuselage switch must mounted timer arm comes down switch lever cuts off current Keeping fingers entanglement can best handled gathering up slack wires securing fuselage sides small U-shaped pins dethermalizer system Bill has using number years Gas models As plans photos show snuffer tube bottom fuselage Notched spruce rails keep rubberbands gether away fuselage fuse doesnt go out before burning through bands limit line 6-lb monofilament tied base rudder top fuselage fastened stab rubberband stretched between back stab hooks wing stab built similar fashion flat building board Frame wing LE. TE ribs omitting spars dihedral break ribs until after dihedral polyhedral angles installed process makes important no twist built wing top bottom spars added can best ensured pinning down panel spars installed sup porting other panels blocking up avoid over-stressing previously formed joints Construction stabilizer differs wing pinning down bottom spar along leading trailing edges ribs top spars sheeted portions stab complete basic construction sequence Bill covered entire ship fuselage included Japanese tissue careful no warps pulled structure dope applied Since theres no fuel residue contend minimal amount dope can used wellthinned ample drying time between coats Nitrate dope would excellent way go ship Flying Tips surfaces should flat warp-free Any warps may have crept during finishing process course construction must steamed out prior flight testing right wing needs have 2 piece TE stock glued its bottom just inboard tip dihedral see plan location order right wing stay up during power pattern Check balance point make 50 Model Aviation stabilizer DT mode shows limit wire attaches through tube rudder Stab power/glide mode right note notches fuselage hold rubberbands near DT fuse Jenkins adjusts DT rubberband Country Boy Note fuse placement bottom fuselage FULL-SIZE PLANSAVAILABLE .SEE PAGE 140 STRIP OF T E STOCK FOR WASH IN RIGHT WING BOTTOM 7/16 TAPERED TRAILING EDGEP /a SHEET N K 1/16 GJSSET /16 SO T lIe SRER DOJBLERS R362R RI9191 N N 2-5/8 II/I6DIHEDRAL / I/B SHEEl Ikr/I6L RIBS IL/ SO I/B SO{ 1A6 SO 65R4 63 62NINI91NINI RIRINII 1/16 50 16 1/16 RIBS 7/16 TAPERED T E WING PLAN 1/16 SHE IT WEBBIN "7 Li 3/16 SO L E RS R4 LI6 SHEET R3 D-T HOOKS R2 1/16 SPAR DOUBLERS WINO RIB PATTERNS 3/32 SHEET 1/16 GUSSET I/B WING PLATFORM1/16 PLYWODO~I______ 1/16 SPAGERIC I/I6 I/B WING RUNNERSAI/B DOWEL ASTRO 020ELECTRIC COL4V7RY BOY RAIL STABILIZER CAT NO 275-OWoI23456DEVELOPED BY JIM CLEM B BILL JENKINS 1/2 SHEET SKID MICRO-SWITCH I TRACING BY JOE DEMARCO certain shown plan Add lead clay nose tail necessary Under calm conditions hand glide plane several times over tall grass shimming front stab plane stalls back stab dives Try long flat glide decided turn right Right glide can assured tilting stabilizer right top high viewed rear Electric power flights will differ bit what might used Gas job Through ex perimentation Bill has found optimum power pattern two full circles right within 25-second motor run Originally ship climbing pretty much straight away discovered ship tended hang propiust bit lesser power electric motor Putting Country Boy circular power pattern effectively uses lift provided wing seems allow plane center itself better thermal also provides extremely good transition power glide fact ground its sometimes difficult tell transition occurs Use rudder tab adjust power pattern its neither too tight nor too much wandering arc youre satisfied total flight characteristics little Country Boy take Out fly ita bunch Electric power has yet come its own either national regional level youre apt encounter hordes competitors event appears contest calendar event has shown phenomenal growth last year will continue gains exposure As nitro prices climb out sight noise pollution offends non-modelers flying fields grow smaller Electric Power event immediate future offers dependable steady power ease starting handling Electric Country Boy will put way ahead game 111/165II / 3/32 P5RS O-T 7/16 TE F Bill Bonnie Jenkins happily show off Country Boy right aftersetting National Record 1331