I 9ogul Iuncz dont need superpowerful engine well FF Powerthat dont tailor size weight model suit what ever engine have 420 squares 139 oz weight author found old OS Max 15 perfect match Construction U Jim Haught THIS MODEL derived form Candle Wind design pub lished April 1976 Model Aviation small 226 sq model fine competition usually disadvan tage Class 051 engine flown against its bigger brothersparticu larly flyoff situations designing Royal Lancer wanted experiment idea matching engine power airplane size principle seems ignored fliers today soon powerful engine given displacement comes out instantly bolted same size airplane its predecessor As result number airplanes contests simply cannot handle power plants erratic best Having old Max 15 hand fairly light engine compared todays 1 5s reasoned engine could ade quately fly older heavier airplane like Ramrod 432 would better slightly smaller lighter model 420 sq wing area 139 oz total weight appears Royal Lancer has achieved desired match Its ultimate Free Flight could either slightly smaller lighter good working combination gives high performance reliability built lighter though original weight likely would have increased repairs since few areas Wing Larry Conovers Lucky Lindy type construction borrowed model good tradeoff between strength weight stiffer straight-rib con struction yet heavy timeconsuming build full geodetic wing construction ribs light C-grain balsa diagonal ribs particular should cut stiff sheets must buckle under tension tissue covering Only template needed main ribs diagonals make tip diagonal ribs measure spar height rib station cut rib question proper length ribs should beveled good snug fit force-fit warps will result general stiffer heavier wood should concentrated toward center panels lighter wood tips ease construction turbulator spars put place until after dihedral installed wing fully assembled should thoroughly sanded fine sand paper 320-grit smooth glue bumps projections give light sanding 400-grit prepare covering ribs outlines given four coats clear dope thinned 50% helps moisture-proof structure give good base attaching covering structure gains good deal torsional rigidity tissue covering its very 62 Model Aviation really lightweight model can stand normal contest abuse occa sional DT onto runway corn field woods example long Taft has its obstructions structural toughness better built rather added later way models name comes Royal Lancers Kansas Citys season author Jim Haught Royal Lancer Class FF Covering Japanese tissue royal blue white mild 15 powers SIP SIMS SMAITS bINS FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 [ II 1 S32SSS wrn 332 AlAS nM SECI3IASA ______L8A155 PLACES AS SEAS mis SEWIIAA ICOST ALL SISETS YSSS*ET YIAA S4TE STOCK -- VISSA SAM TWSWISSLQSS C VASLSTESTOCC Nrprp RnyatsA MCQE DRAWN AIIM INKED NT S SNARlS CRICSSINTIOAIA US CTCPLS PLOSPASMEDARKE NXKITSSEOCI VOCALS MC B U OffASO S-S MaEN N 5MAR55-A S C I- ---- -Lit -iY TOSALESS SCIESO TOOdIN SIKEFES TIff530 SNIS VS PLS FISCOASLL VrPLMPTRJ IS SOC AOTSMA important structure tissue come contact possible points Cover wing Japanese tissue favorite high-visibility color scheme used extra layer tissue center panels cut down rips punctures Use rubbing alcohol shrink tissue dries faster water helps assure covering sticks ribs spars wing given coat clear dope thinned 50% second layer tissue attached center panels Again shrink tissue alcohol give entire wing five coats dope thinned 50% Allow dope cure least week original wing weighs three ounces Stabilizer Wood selection critical wing Lightweight stiff leading trailing edges must 1 / 16 sq diagonals should very hard gram unnecessary stabilizer weight means three four-gram penalty models nose maintain proper balance point stab must lightest structure possible will maintain original shape original stab weighs approximately 3/s oz Fuselage sides should cut long-grained sheets preferably hardest part sheet front tail-heaviness has never problem models series nothing gained having rock-hard tail section front fuselage can use extra stiffness withstand handling stress fuselage constructed such manner allow shifting pylon necessary obtain proper 80% CG adjustment has never necessary models have built pylon far forward possible giving added benefit relatively short nose March 1983 63 cunsirucuon sum -gecasuc uorrowea worn Larry tunuver 5 Lucky Lindy Center pane s double-covered strength dura bility Tip panels lightweightsingle tissue covering used nere can see now ins aesermauzer iine romeo ana anacn points stab Weight tall tine gliding trim moment pylon rudder cut stiff C-grain woodnot rock-hard good evenly-grained balsa will flex under load fuselage rudder covered tissue point couple inches beyond pylon rear model Finish five coats clear dope thinned 50% front section fuselage pylon receive four coats lacquer sanding sealer Sand 400-grit paper between coats Allow sealer cure least 48 hours add two coats colored epoxy tough fuel-proof finish finish will stand up occasional burst pacifier raw fuel spillage Preflight checkout allowable warps model slight washout wing tips usually occurs naturally during covering finishing rest structure should flat board built protection against spiral-in carve 3/32 3/4 lA sheet toatrailingedgetype shape glue blunt edge rear ward underside right main wing panel trailing edge tipmain panel joint Adjust engine slight down left thrust before flying exact amount left thrust will determined during power trimming Also check adjust wing stabilizer incidence settings again approximate shown Flying possible find some tall grass flight trimming hand-glide model add subtract incidence block stabilizer trailing edge slightly mushy right-hand circle needed point fliers worst enemy stage too little incidence leading zero-out tendency under power first power flights recommend some type quick-DT setup actuate just after engine cutoff can save model engine quits model pointing nose-up insufficient altitude recover fully used flood-off timer extension normal DT line coupled extra DT arm attached fuse lage set DT about two seconds after flood-off After first couple flights quick-DT can discarded either flood-off pinchoff type timer can used first power flights made engine running slightly rich two three-second engine run Side thrust effective point As model gains speed flying surfaces take effect rudder adjusted continue right-hand spiral climb As wing washin rudder adjustments made trailing-edge-type wood cut 1/16 x t Cut 3A-in lengths glue appropriate side rudder blunt edge rearward An effective safe power pattern will yield turn six seconds engine run glide circle diameter based conditions fly tight circles windy weather wide circles calm conditions wherever model uses 35% nitro fuel 1968 vintage Top Flite 8-4 nylon prop slimmed down Baltimores Mike Poorman Olathe Nationals year Again its Continued page 143 64 Model Aviation Relative sizes Royal lancerand authors 1/2A Candle Wind apparent view hA job has 226 sq wing area Class version Royal Lancer has 420 squares Plans Candle Wind still available MA Plan No 138 $300 Prototype equipped flood-ott timer qulck-DT ease safety after testing converted pinch-off pacifier tank Skid offers DT protection parts wont have slice op plan show lot thought especially like Supermarine Sparrow Peanut can yours two bucks postpaid list heavy round WW II types hit above beginner level war buff shoot Dave off SASE plan list Handy hints department Dick Smith Garden Grove CA has winner little tool making round balsa strip out square type drills series holes piece brass plate such might glean old trophy starting diameter begins take corners off square stick being pushed through getting smaller until push-thru last hole gives desired diameter sharp edge can easily obtained brass filing top bottom surfaces flat after drilling care fully touching up burr pushed hole Scale documentation next superscaler might easier find using Dale Willoughbys Scale Model Research service catalog goes usual dollar Dale describes what offers foto paak [sic] down quality interior-view shot Also has Xerox 3-view hell make copy Write Dale PO Box 573 Anza CA 92306 Until next time keep tight capon diesel fuel can Pirelli rubber out sunlight Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 hottest fuel newest prop its good working combination original model weighs 139 ounces ready fly could easily built lighter wouldnt worth effort doubt trim would consistent would make model fast enough potentially dangerousits plenty fast enough exact number turns climb diameter glide circle nearly important establishing trim consistent comfortable using Its important both model flier able repeat perform ances time after time model trimmed too close its performance limits will almost never win because smallest error made disaster will strike Thats simply gamble worth taking Practice model until sure what can youre ready consistent winner CL Aerobatics/Paul Continued page 65 experienced some cracking around nose fuselage sides starting come loose right rear engine-mounting holes Epoxy used glue fuselage sides doublers plywood bulkheads together Continued page 151 CAP 21*Flown Miles Reed air show IMAA Nationals Ida Grove IA 88wing span 1232 sq 16-18 lbs engine 20-31 Plans S20 CAP 20L84 wing span 1272 sq 16-18 lbs engine 20-31Plans S20 TEMPEST86 wing span 1420 sq 18-20 lbs engine 2 4-3 7Plans S25 RV-3 *86 wing span 1638 sq 17-19 lbs engine 2 0-3 1Plans S20 R C Garmhausen 2715 Maple Ave NE Canton OH 44714 *RV3 CAP 21 pre-assembled kits available write information March 1983 143 Royal Lancer/Haught Continued page 64 SAFE FLYING IS NO ACCIDENT
Edition: Model Aviation - 1983/03
Page Numbers: 62, 63, 64, 143
Edition: Model Aviation - 1983/03
Page Numbers: 62, 63, 64, 143
I 9ogul Iuncz dont need superpowerful engine well FF Powerthat dont tailor size weight model suit what ever engine have 420 squares 139 oz weight author found old OS Max 15 perfect match Construction U Jim Haught THIS MODEL derived form Candle Wind design pub lished April 1976 Model Aviation small 226 sq model fine competition usually disadvan tage Class 051 engine flown against its bigger brothersparticu larly flyoff situations designing Royal Lancer wanted experiment idea matching engine power airplane size principle seems ignored fliers today soon powerful engine given displacement comes out instantly bolted same size airplane its predecessor As result number airplanes contests simply cannot handle power plants erratic best Having old Max 15 hand fairly light engine compared todays 1 5s reasoned engine could ade quately fly older heavier airplane like Ramrod 432 would better slightly smaller lighter model 420 sq wing area 139 oz total weight appears Royal Lancer has achieved desired match Its ultimate Free Flight could either slightly smaller lighter good working combination gives high performance reliability built lighter though original weight likely would have increased repairs since few areas Wing Larry Conovers Lucky Lindy type construction borrowed model good tradeoff between strength weight stiffer straight-rib con struction yet heavy timeconsuming build full geodetic wing construction ribs light C-grain balsa diagonal ribs particular should cut stiff sheets must buckle under tension tissue covering Only template needed main ribs diagonals make tip diagonal ribs measure spar height rib station cut rib question proper length ribs should beveled good snug fit force-fit warps will result general stiffer heavier wood should concentrated toward center panels lighter wood tips ease construction turbulator spars put place until after dihedral installed wing fully assembled should thoroughly sanded fine sand paper 320-grit smooth glue bumps projections give light sanding 400-grit prepare covering ribs outlines given four coats clear dope thinned 50% helps moisture-proof structure give good base attaching covering structure gains good deal torsional rigidity tissue covering its very 62 Model Aviation really lightweight model can stand normal contest abuse occa sional DT onto runway corn field woods example long Taft has its obstructions structural toughness better built rather added later way models name comes Royal Lancers Kansas Citys season author Jim Haught Royal Lancer Class FF Covering Japanese tissue royal blue white mild 15 powers SIP SIMS SMAITS bINS FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 [ II 1 S32SSS wrn 332 AlAS nM SECI3IASA ______L8A155 PLACES AS SEAS mis SEWIIAA ICOST ALL SISETS YSSS*ET YIAA S4TE STOCK -- VISSA SAM TWSWISSLQSS C VASLSTESTOCC Nrprp RnyatsA MCQE DRAWN AIIM INKED NT S SNARlS CRICSSINTIOAIA US CTCPLS PLOSPASMEDARKE NXKITSSEOCI VOCALS MC B U OffASO S-S MaEN N 5MAR55-A S C I- ---- -Lit -iY TOSALESS SCIESO TOOdIN SIKEFES TIff530 SNIS VS PLS FISCOASLL VrPLMPTRJ IS SOC AOTSMA important structure tissue come contact possible points Cover wing Japanese tissue favorite high-visibility color scheme used extra layer tissue center panels cut down rips punctures Use rubbing alcohol shrink tissue dries faster water helps assure covering sticks ribs spars wing given coat clear dope thinned 50% second layer tissue attached center panels Again shrink tissue alcohol give entire wing five coats dope thinned 50% Allow dope cure least week original wing weighs three ounces Stabilizer Wood selection critical wing Lightweight stiff leading trailing edges must 1 / 16 sq diagonals should very hard gram unnecessary stabilizer weight means three four-gram penalty models nose maintain proper balance point stab must lightest structure possible will maintain original shape original stab weighs approximately 3/s oz Fuselage sides should cut long-grained sheets preferably hardest part sheet front tail-heaviness has never problem models series nothing gained having rock-hard tail section front fuselage can use extra stiffness withstand handling stress fuselage constructed such manner allow shifting pylon necessary obtain proper 80% CG adjustment has never necessary models have built pylon far forward possible giving added benefit relatively short nose March 1983 63 cunsirucuon sum -gecasuc uorrowea worn Larry tunuver 5 Lucky Lindy Center pane s double-covered strength dura bility Tip panels lightweightsingle tissue covering used nere can see now ins aesermauzer iine romeo ana anacn points stab Weight tall tine gliding trim moment pylon rudder cut stiff C-grain woodnot rock-hard good evenly-grained balsa will flex under load fuselage rudder covered tissue point couple inches beyond pylon rear model Finish five coats clear dope thinned 50% front section fuselage pylon receive four coats lacquer sanding sealer Sand 400-grit paper between coats Allow sealer cure least 48 hours add two coats colored epoxy tough fuel-proof finish finish will stand up occasional burst pacifier raw fuel spillage Preflight checkout allowable warps model slight washout wing tips usually occurs naturally during covering finishing rest structure should flat board built protection against spiral-in carve 3/32 3/4 lA sheet toatrailingedgetype shape glue blunt edge rear ward underside right main wing panel trailing edge tipmain panel joint Adjust engine slight down left thrust before flying exact amount left thrust will determined during power trimming Also check adjust wing stabilizer incidence settings again approximate shown Flying possible find some tall grass flight trimming hand-glide model add subtract incidence block stabilizer trailing edge slightly mushy right-hand circle needed point fliers worst enemy stage too little incidence leading zero-out tendency under power first power flights recommend some type quick-DT setup actuate just after engine cutoff can save model engine quits model pointing nose-up insufficient altitude recover fully used flood-off timer extension normal DT line coupled extra DT arm attached fuse lage set DT about two seconds after flood-off After first couple flights quick-DT can discarded either flood-off pinchoff type timer can used first power flights made engine running slightly rich two three-second engine run Side thrust effective point As model gains speed flying surfaces take effect rudder adjusted continue right-hand spiral climb As wing washin rudder adjustments made trailing-edge-type wood cut 1/16 x t Cut 3A-in lengths glue appropriate side rudder blunt edge rearward An effective safe power pattern will yield turn six seconds engine run glide circle diameter based conditions fly tight circles windy weather wide circles calm conditions wherever model uses 35% nitro fuel 1968 vintage Top Flite 8-4 nylon prop slimmed down Baltimores Mike Poorman Olathe Nationals year Again its Continued page 143 64 Model Aviation Relative sizes Royal lancerand authors 1/2A Candle Wind apparent view hA job has 226 sq wing area Class version Royal Lancer has 420 squares Plans Candle Wind still available MA Plan No 138 $300 Prototype equipped flood-ott timer qulck-DT ease safety after testing converted pinch-off pacifier tank Skid offers DT protection parts wont have slice op plan show lot thought especially like Supermarine Sparrow Peanut can yours two bucks postpaid list heavy round WW II types hit above beginner level war buff shoot Dave off SASE plan list Handy hints department Dick Smith Garden Grove CA has winner little tool making round balsa strip out square type drills series holes piece brass plate such might glean old trophy starting diameter begins take corners off square stick being pushed through getting smaller until push-thru last hole gives desired diameter sharp edge can easily obtained brass filing top bottom surfaces flat after drilling care fully touching up burr pushed hole Scale documentation next superscaler might easier find using Dale Willoughbys Scale Model Research service catalog goes usual dollar Dale describes what offers foto paak [sic] down quality interior-view shot Also has Xerox 3-view hell make copy Write Dale PO Box 573 Anza CA 92306 Until next time keep tight capon diesel fuel can Pirelli rubber out sunlight Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 hottest fuel newest prop its good working combination original model weighs 139 ounces ready fly could easily built lighter wouldnt worth effort doubt trim would consistent would make model fast enough potentially dangerousits plenty fast enough exact number turns climb diameter glide circle nearly important establishing trim consistent comfortable using Its important both model flier able repeat perform ances time after time model trimmed too close its performance limits will almost never win because smallest error made disaster will strike Thats simply gamble worth taking Practice model until sure what can youre ready consistent winner CL Aerobatics/Paul Continued page 65 experienced some cracking around nose fuselage sides starting come loose right rear engine-mounting holes Epoxy used glue fuselage sides doublers plywood bulkheads together Continued page 151 CAP 21*Flown Miles Reed air show IMAA Nationals Ida Grove IA 88wing span 1232 sq 16-18 lbs engine 20-31 Plans S20 CAP 20L84 wing span 1272 sq 16-18 lbs engine 20-31Plans S20 TEMPEST86 wing span 1420 sq 18-20 lbs engine 2 4-3 7Plans S25 RV-3 *86 wing span 1638 sq 17-19 lbs engine 2 0-3 1Plans S20 R C Garmhausen 2715 Maple Ave NE Canton OH 44714 *RV3 CAP 21 pre-assembled kits available write information March 1983 143 Royal Lancer/Haught Continued page 64 SAFE FLYING IS NO ACCIDENT
Edition: Model Aviation - 1983/03
Page Numbers: 62, 63, 64, 143
I 9ogul Iuncz dont need superpowerful engine well FF Powerthat dont tailor size weight model suit what ever engine have 420 squares 139 oz weight author found old OS Max 15 perfect match Construction U Jim Haught THIS MODEL derived form Candle Wind design pub lished April 1976 Model Aviation small 226 sq model fine competition usually disadvan tage Class 051 engine flown against its bigger brothersparticu larly flyoff situations designing Royal Lancer wanted experiment idea matching engine power airplane size principle seems ignored fliers today soon powerful engine given displacement comes out instantly bolted same size airplane its predecessor As result number airplanes contests simply cannot handle power plants erratic best Having old Max 15 hand fairly light engine compared todays 1 5s reasoned engine could ade quately fly older heavier airplane like Ramrod 432 would better slightly smaller lighter model 420 sq wing area 139 oz total weight appears Royal Lancer has achieved desired match Its ultimate Free Flight could either slightly smaller lighter good working combination gives high performance reliability built lighter though original weight likely would have increased repairs since few areas Wing Larry Conovers Lucky Lindy type construction borrowed model good tradeoff between strength weight stiffer straight-rib con struction yet heavy timeconsuming build full geodetic wing construction ribs light C-grain balsa diagonal ribs particular should cut stiff sheets must buckle under tension tissue covering Only template needed main ribs diagonals make tip diagonal ribs measure spar height rib station cut rib question proper length ribs should beveled good snug fit force-fit warps will result general stiffer heavier wood should concentrated toward center panels lighter wood tips ease construction turbulator spars put place until after dihedral installed wing fully assembled should thoroughly sanded fine sand paper 320-grit smooth glue bumps projections give light sanding 400-grit prepare covering ribs outlines given four coats clear dope thinned 50% helps moisture-proof structure give good base attaching covering structure gains good deal torsional rigidity tissue covering its very 62 Model Aviation really lightweight model can stand normal contest abuse occa sional DT onto runway corn field woods example long Taft has its obstructions structural toughness better built rather added later way models name comes Royal Lancers Kansas Citys season author Jim Haught Royal Lancer Class FF Covering Japanese tissue royal blue white mild 15 powers SIP SIMS SMAITS bINS FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 [ II 1 S32SSS wrn 332 AlAS nM SECI3IASA ______L8A155 PLACES AS SEAS mis SEWIIAA ICOST ALL SISETS YSSS*ET YIAA S4TE STOCK -- VISSA SAM TWSWISSLQSS C VASLSTESTOCC Nrprp RnyatsA MCQE DRAWN AIIM INKED NT S SNARlS CRICSSINTIOAIA US CTCPLS PLOSPASMEDARKE NXKITSSEOCI VOCALS MC B U OffASO S-S MaEN N 5MAR55-A S C I- ---- -Lit -iY TOSALESS SCIESO TOOdIN SIKEFES TIff530 SNIS VS PLS FISCOASLL VrPLMPTRJ IS SOC AOTSMA important structure tissue come contact possible points Cover wing Japanese tissue favorite high-visibility color scheme used extra layer tissue center panels cut down rips punctures Use rubbing alcohol shrink tissue dries faster water helps assure covering sticks ribs spars wing given coat clear dope thinned 50% second layer tissue attached center panels Again shrink tissue alcohol give entire wing five coats dope thinned 50% Allow dope cure least week original wing weighs three ounces Stabilizer Wood selection critical wing Lightweight stiff leading trailing edges must 1 / 16 sq diagonals should very hard gram unnecessary stabilizer weight means three four-gram penalty models nose maintain proper balance point stab must lightest structure possible will maintain original shape original stab weighs approximately 3/s oz Fuselage sides should cut long-grained sheets preferably hardest part sheet front tail-heaviness has never problem models series nothing gained having rock-hard tail section front fuselage can use extra stiffness withstand handling stress fuselage constructed such manner allow shifting pylon necessary obtain proper 80% CG adjustment has never necessary models have built pylon far forward possible giving added benefit relatively short nose March 1983 63 cunsirucuon sum -gecasuc uorrowea worn Larry tunuver 5 Lucky Lindy Center pane s double-covered strength dura bility Tip panels lightweightsingle tissue covering used nere can see now ins aesermauzer iine romeo ana anacn points stab Weight tall tine gliding trim moment pylon rudder cut stiff C-grain woodnot rock-hard good evenly-grained balsa will flex under load fuselage rudder covered tissue point couple inches beyond pylon rear model Finish five coats clear dope thinned 50% front section fuselage pylon receive four coats lacquer sanding sealer Sand 400-grit paper between coats Allow sealer cure least 48 hours add two coats colored epoxy tough fuel-proof finish finish will stand up occasional burst pacifier raw fuel spillage Preflight checkout allowable warps model slight washout wing tips usually occurs naturally during covering finishing rest structure should flat board built protection against spiral-in carve 3/32 3/4 lA sheet toatrailingedgetype shape glue blunt edge rear ward underside right main wing panel trailing edge tipmain panel joint Adjust engine slight down left thrust before flying exact amount left thrust will determined during power trimming Also check adjust wing stabilizer incidence settings again approximate shown Flying possible find some tall grass flight trimming hand-glide model add subtract incidence block stabilizer trailing edge slightly mushy right-hand circle needed point fliers worst enemy stage too little incidence leading zero-out tendency under power first power flights recommend some type quick-DT setup actuate just after engine cutoff can save model engine quits model pointing nose-up insufficient altitude recover fully used flood-off timer extension normal DT line coupled extra DT arm attached fuse lage set DT about two seconds after flood-off After first couple flights quick-DT can discarded either flood-off pinchoff type timer can used first power flights made engine running slightly rich two three-second engine run Side thrust effective point As model gains speed flying surfaces take effect rudder adjusted continue right-hand spiral climb As wing washin rudder adjustments made trailing-edge-type wood cut 1/16 x t Cut 3A-in lengths glue appropriate side rudder blunt edge rearward An effective safe power pattern will yield turn six seconds engine run glide circle diameter based conditions fly tight circles windy weather wide circles calm conditions wherever model uses 35% nitro fuel 1968 vintage Top Flite 8-4 nylon prop slimmed down Baltimores Mike Poorman Olathe Nationals year Again its Continued page 143 64 Model Aviation Relative sizes Royal lancerand authors 1/2A Candle Wind apparent view hA job has 226 sq wing area Class version Royal Lancer has 420 squares Plans Candle Wind still available MA Plan No 138 $300 Prototype equipped flood-ott timer qulck-DT ease safety after testing converted pinch-off pacifier tank Skid offers DT protection parts wont have slice op plan show lot thought especially like Supermarine Sparrow Peanut can yours two bucks postpaid list heavy round WW II types hit above beginner level war buff shoot Dave off SASE plan list Handy hints department Dick Smith Garden Grove CA has winner little tool making round balsa strip out square type drills series holes piece brass plate such might glean old trophy starting diameter begins take corners off square stick being pushed through getting smaller until push-thru last hole gives desired diameter sharp edge can easily obtained brass filing top bottom surfaces flat after drilling care fully touching up burr pushed hole Scale documentation next superscaler might easier find using Dale Willoughbys Scale Model Research service catalog goes usual dollar Dale describes what offers foto paak [sic] down quality interior-view shot Also has Xerox 3-view hell make copy Write Dale PO Box 573 Anza CA 92306 Until next time keep tight capon diesel fuel can Pirelli rubber out sunlight Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 hottest fuel newest prop its good working combination original model weighs 139 ounces ready fly could easily built lighter wouldnt worth effort doubt trim would consistent would make model fast enough potentially dangerousits plenty fast enough exact number turns climb diameter glide circle nearly important establishing trim consistent comfortable using Its important both model flier able repeat perform ances time after time model trimmed too close its performance limits will almost never win because smallest error made disaster will strike Thats simply gamble worth taking Practice model until sure what can youre ready consistent winner CL Aerobatics/Paul Continued page 65 experienced some cracking around nose fuselage sides starting come loose right rear engine-mounting holes Epoxy used glue fuselage sides doublers plywood bulkheads together Continued page 151 CAP 21*Flown Miles Reed air show IMAA Nationals Ida Grove IA 88wing span 1232 sq 16-18 lbs engine 20-31 Plans S20 CAP 20L84 wing span 1272 sq 16-18 lbs engine 20-31Plans S20 TEMPEST86 wing span 1420 sq 18-20 lbs engine 2 4-3 7Plans S25 RV-3 *86 wing span 1638 sq 17-19 lbs engine 2 0-3 1Plans S20 R C Garmhausen 2715 Maple Ave NE Canton OH 44714 *RV3 CAP 21 pre-assembled kits available write information March 1983 143 Royal Lancer/Haught Continued page 64 SAFE FLYING IS NO ACCIDENT
Edition: Model Aviation - 1983/03
Page Numbers: 62, 63, 64, 143
I 9ogul Iuncz dont need superpowerful engine well FF Powerthat dont tailor size weight model suit what ever engine have 420 squares 139 oz weight author found old OS Max 15 perfect match Construction U Jim Haught THIS MODEL derived form Candle Wind design pub lished April 1976 Model Aviation small 226 sq model fine competition usually disadvan tage Class 051 engine flown against its bigger brothersparticu larly flyoff situations designing Royal Lancer wanted experiment idea matching engine power airplane size principle seems ignored fliers today soon powerful engine given displacement comes out instantly bolted same size airplane its predecessor As result number airplanes contests simply cannot handle power plants erratic best Having old Max 15 hand fairly light engine compared todays 1 5s reasoned engine could ade quately fly older heavier airplane like Ramrod 432 would better slightly smaller lighter model 420 sq wing area 139 oz total weight appears Royal Lancer has achieved desired match Its ultimate Free Flight could either slightly smaller lighter good working combination gives high performance reliability built lighter though original weight likely would have increased repairs since few areas Wing Larry Conovers Lucky Lindy type construction borrowed model good tradeoff between strength weight stiffer straight-rib con struction yet heavy timeconsuming build full geodetic wing construction ribs light C-grain balsa diagonal ribs particular should cut stiff sheets must buckle under tension tissue covering Only template needed main ribs diagonals make tip diagonal ribs measure spar height rib station cut rib question proper length ribs should beveled good snug fit force-fit warps will result general stiffer heavier wood should concentrated toward center panels lighter wood tips ease construction turbulator spars put place until after dihedral installed wing fully assembled should thoroughly sanded fine sand paper 320-grit smooth glue bumps projections give light sanding 400-grit prepare covering ribs outlines given four coats clear dope thinned 50% helps moisture-proof structure give good base attaching covering structure gains good deal torsional rigidity tissue covering its very 62 Model Aviation really lightweight model can stand normal contest abuse occa sional DT onto runway corn field woods example long Taft has its obstructions structural toughness better built rather added later way models name comes Royal Lancers Kansas Citys season author Jim Haught Royal Lancer Class FF Covering Japanese tissue royal blue white mild 15 powers SIP SIMS SMAITS bINS FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 [ II 1 S32SSS wrn 332 AlAS nM SECI3IASA ______L8A155 PLACES AS SEAS mis SEWIIAA ICOST ALL SISETS YSSS*ET YIAA S4TE STOCK -- VISSA SAM TWSWISSLQSS C VASLSTESTOCC Nrprp RnyatsA MCQE DRAWN AIIM INKED NT S SNARlS CRICSSINTIOAIA US CTCPLS PLOSPASMEDARKE NXKITSSEOCI VOCALS MC B U OffASO S-S MaEN N 5MAR55-A S C I- ---- -Lit -iY TOSALESS SCIESO TOOdIN SIKEFES TIff530 SNIS VS PLS FISCOASLL VrPLMPTRJ IS SOC AOTSMA important structure tissue come contact possible points Cover wing Japanese tissue favorite high-visibility color scheme used extra layer tissue center panels cut down rips punctures Use rubbing alcohol shrink tissue dries faster water helps assure covering sticks ribs spars wing given coat clear dope thinned 50% second layer tissue attached center panels Again shrink tissue alcohol give entire wing five coats dope thinned 50% Allow dope cure least week original wing weighs three ounces Stabilizer Wood selection critical wing Lightweight stiff leading trailing edges must 1 / 16 sq diagonals should very hard gram unnecessary stabilizer weight means three four-gram penalty models nose maintain proper balance point stab must lightest structure possible will maintain original shape original stab weighs approximately 3/s oz Fuselage sides should cut long-grained sheets preferably hardest part sheet front tail-heaviness has never problem models series nothing gained having rock-hard tail section front fuselage can use extra stiffness withstand handling stress fuselage constructed such manner allow shifting pylon necessary obtain proper 80% CG adjustment has never necessary models have built pylon far forward possible giving added benefit relatively short nose March 1983 63 cunsirucuon sum -gecasuc uorrowea worn Larry tunuver 5 Lucky Lindy Center pane s double-covered strength dura bility Tip panels lightweightsingle tissue covering used nere can see now ins aesermauzer iine romeo ana anacn points stab Weight tall tine gliding trim moment pylon rudder cut stiff C-grain woodnot rock-hard good evenly-grained balsa will flex under load fuselage rudder covered tissue point couple inches beyond pylon rear model Finish five coats clear dope thinned 50% front section fuselage pylon receive four coats lacquer sanding sealer Sand 400-grit paper between coats Allow sealer cure least 48 hours add two coats colored epoxy tough fuel-proof finish finish will stand up occasional burst pacifier raw fuel spillage Preflight checkout allowable warps model slight washout wing tips usually occurs naturally during covering finishing rest structure should flat board built protection against spiral-in carve 3/32 3/4 lA sheet toatrailingedgetype shape glue blunt edge rear ward underside right main wing panel trailing edge tipmain panel joint Adjust engine slight down left thrust before flying exact amount left thrust will determined during power trimming Also check adjust wing stabilizer incidence settings again approximate shown Flying possible find some tall grass flight trimming hand-glide model add subtract incidence block stabilizer trailing edge slightly mushy right-hand circle needed point fliers worst enemy stage too little incidence leading zero-out tendency under power first power flights recommend some type quick-DT setup actuate just after engine cutoff can save model engine quits model pointing nose-up insufficient altitude recover fully used flood-off timer extension normal DT line coupled extra DT arm attached fuse lage set DT about two seconds after flood-off After first couple flights quick-DT can discarded either flood-off pinchoff type timer can used first power flights made engine running slightly rich two three-second engine run Side thrust effective point As model gains speed flying surfaces take effect rudder adjusted continue right-hand spiral climb As wing washin rudder adjustments made trailing-edge-type wood cut 1/16 x t Cut 3A-in lengths glue appropriate side rudder blunt edge rearward An effective safe power pattern will yield turn six seconds engine run glide circle diameter based conditions fly tight circles windy weather wide circles calm conditions wherever model uses 35% nitro fuel 1968 vintage Top Flite 8-4 nylon prop slimmed down Baltimores Mike Poorman Olathe Nationals year Again its Continued page 143 64 Model Aviation Relative sizes Royal lancerand authors 1/2A Candle Wind apparent view hA job has 226 sq wing area Class version Royal Lancer has 420 squares Plans Candle Wind still available MA Plan No 138 $300 Prototype equipped flood-ott timer qulck-DT ease safety after testing converted pinch-off pacifier tank Skid offers DT protection parts wont have slice op plan show lot thought especially like Supermarine Sparrow Peanut can yours two bucks postpaid list heavy round WW II types hit above beginner level war buff shoot Dave off SASE plan list Handy hints department Dick Smith Garden Grove CA has winner little tool making round balsa strip out square type drills series holes piece brass plate such might glean old trophy starting diameter begins take corners off square stick being pushed through getting smaller until push-thru last hole gives desired diameter sharp edge can easily obtained brass filing top bottom surfaces flat after drilling care fully touching up burr pushed hole Scale documentation next superscaler might easier find using Dale Willoughbys Scale Model Research service catalog goes usual dollar Dale describes what offers foto paak [sic] down quality interior-view shot Also has Xerox 3-view hell make copy Write Dale PO Box 573 Anza CA 92306 Until next time keep tight capon diesel fuel can Pirelli rubber out sunlight Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 hottest fuel newest prop its good working combination original model weighs 139 ounces ready fly could easily built lighter wouldnt worth effort doubt trim would consistent would make model fast enough potentially dangerousits plenty fast enough exact number turns climb diameter glide circle nearly important establishing trim consistent comfortable using Its important both model flier able repeat perform ances time after time model trimmed too close its performance limits will almost never win because smallest error made disaster will strike Thats simply gamble worth taking Practice model until sure what can youre ready consistent winner CL Aerobatics/Paul Continued page 65 experienced some cracking around nose fuselage sides starting come loose right rear engine-mounting holes Epoxy used glue fuselage sides doublers plywood bulkheads together Continued page 151 CAP 21*Flown Miles Reed air show IMAA Nationals Ida Grove IA 88wing span 1232 sq 16-18 lbs engine 20-31 Plans S20 CAP 20L84 wing span 1272 sq 16-18 lbs engine 20-31Plans S20 TEMPEST86 wing span 1420 sq 18-20 lbs engine 2 4-3 7Plans S25 RV-3 *86 wing span 1638 sq 17-19 lbs engine 2 0-3 1Plans S20 R C Garmhausen 2715 Maple Ave NE Canton OH 44714 *RV3 CAP 21 pre-assembled kits available write information March 1983 143 Royal Lancer/Haught Continued page 64 SAFE FLYING IS NO ACCIDENT
