Contml Line NaLy Carrier Dick Perry MYSTERY AIRCRAFT Congratulations David Broude selected winner among correctly identi fied Arado Ar-96 appeared March issue months mystery aircraft should provide little challenge good luck aircraft May issue pro totype dive bomber saw service US Navy Buccaneer Fleet Air Arm British Royal Navy Bermuda Designed mid-1930s XSBA-l produced Naval Aircraft Factory SBN-1 Brewster XSB2A- 1 larger have power-operated turret self-defense though feature carried over production aircraft Any aircraft XSBA-1 SBN-l XSB2A-1 SB2A-3 production Buccaneer carrier gear should make excellent Carrier models proportions features very similar highly successful Grumman Guardian design real difference slightly identIfy Mystery Plane eligible win years membership Navy Carrier Society Send entrIes directly Dick Perry address end column correct entries put hat name drawn select winner smaller tail-volume ratio lower aspectratio Buccaneer would allow model greater wing area within 44in-wingspan limit Low-speed aerodynamics photo Dave Wallicks Guardian March issue reprinted month generated quite few Continued page 171 74 Model Aviation -L photo Dave Wallicks Class II Guardian March 1984 issue prompted some readers ask questions about sievator positionnote nose-down position Dick explains soand model has very high yaw angle tooIn column line-slider can made plywood Adlust dimensions fit particular requirements Note latch hole Slide spring needed plane balances aft wings v-cnora point tne tan must generate lift force keep aerodynamic forces balanced Dick has say about columnand subject also related WallIck Guardian photo above As know can attest can carry great length areas have strong opinions Stunt arena would airplane design construction necessarily finish Ive got lot learn some real pros stly Noo Yawk control systems broad spectrum Stunt philosophy per sonalities n BS best Areas am quite frankly weak would cautious making recommenda tions would engines fuels fuel systems powerplant system general common picture Nats shows looking quizzically motor moment wondering less momentous now earlier get what Im doing begging materials readers can send Pictures great preferably black white 5 x 7s ever good uncluttered color shots will re produce Im told Pictures earn $5 published Fame riches boot Technical info good however must say up front feel strongly material correct might misleading will either have edit use will best reply submissions especially requested SASE included would particularly appreciate being cluded mailing list newsletters might remotely bear needs Stunt fliers Often techniques production items intended spe cialty have corollary applications other fields plan have continuing segment column known Hint Month months hint quick primer lami nating small curved outlines such rudder shapes wing tail tips forth /32-in balsa First make mold made shown 3/4-in bass rubbercemented drawing intended part cut plans Reno ship Now cut out area will laminating leaving male female segment Glue seg ment suitable base used V16 ply nice touch line area might touched glue lamination MonoKote prevent gluing part mold Next cut strips flexible /32 sheet balsa appropriate width remember youll need eight strips V4-in part thickness plenty Stunt applications finished part quite rigid soak solution hot water ammonia about half hour ratio ammonia critical just make stinky enough wife kids complain should just right Now comes critical part precurving strips have curves tighter about two-inch radius should take strip gently stroke around rounded object until grain breaks down enough allow curl easily against grain erience will quickly show much Wipe away excess water apply 0b c o ~p0 IhOqbI L good aliphatic resin glue such Tite-Bond lightly thoroughly succeeding piece Try avoid using too much excess will seep out glue part mold final step clamp laminations mold allow cure least day dry warm place part fully dried carefully remove excess wood protruding mold remove laminated part will amazed strength lightness Just what doc tor ordered Reno Speaking Reno problems thereof next month Get cards letters coming Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 Fly Stunt CL Navy Carrier/Perry Continued page 74 letters Most questioned incdnsistency between down elevator Daves model comment about flaps causing nosedown pitching moment Ill use oppor tunity identify major cause down-elevator phenomenon discuss related issue line sliders dont see relationship between two read should become clear As accompanying drawing shows aircraft balanced aft quarterchord point wing will require lift force tail keep pitching up caused fact lift wing produces can considered actJuly 1984 171 23961 CRAFTSMAN RD CALABASAS CA 91302TEL 213-992-0195TWX 9104945933 HIGH QUALITY FOAM WING CORES AND CUSTOM FOAM CUTTING have large selection wing cores available stock Custom foam cutting reasonable prices Foam blocks nichrome wire special needs Wire $40025 feet 2040 60 size floats $1295 SPECIAL Month Great Planes CAP 21 Wings 0 Information Prices Contact 0m. Stet *eromds Eaguieeiiq 21 ieee D4ve West Wwwic& 81 02892 call 401 828-8813 Please add $3 ship & Hand Foam its Best Deal Bests 1 ft ing quarter-chord point wing lift force tail usually produced some amount down-elevator wing produces lift also produces some downwash aifflow deflected downward behind wing As wings angle attack increases downwash creases well downwash affects airflow around tail tending cause nose plane pitch upthus requiring down-elevator compensate Flaps aircraft model tend concentrate downwash area behind flaps thereby countering some nose-down pitching moment caused deflecting flaps effects just described require model balanced aft quarterchord pointfarther aft Carrier fliers balance modelsif produce noticeable down elevator however another effect pronounced propeller jet take aircraft operating high angle attack will change direction incoming airflow such way cause force perpendicular original direction airflow force verti cal force aircraft level flight mean model neither climb ing nor descending though fuse lage may level altitude propeller mounted ahead bal ance point models con figured force will tend pitch nose up force becomes stronger angle attack andlor power setting increased effect produces much down-elevator seen Daves model same effect causes nose model equipped line-slider point out circle farther would difference leadout position factor acting model look photo reveals leadouts extended straight line past line slider would intersect fuselage well ahead bal ance point Although some angle caused rudder much result power effect acting sideward direction time same way Ive explained nose-up effects same effect causes oscillations can result power bursts applied low speeds line slider aft cause effect power application very low airspeeds should smooth put ting premium good throttle technique also properly adjusted carburetor Line sliders Im subject have few questions over winter building season about construct line sliders release lowspeed flight sliders quite simple construct Kingfisher Profile Carrier ar tide contained preferred method con struction using nylon sheet Sig brass channel K&S An alternative seen quite commonly external sliders consists plywood mount slide made up three layers ply shown accompanying drawing individuals use springs rubberbands move line slider aft released seems optional designs As long slider moves freely bellerank mounted onor behindthe center gravity drag lines force balance control system model should sufficient move slider release mechanism slider can simple pin attached throttle leadout requires aft movement throttle lever handle high speed Internal releases can consist 3/ms-in A6-in wire attached bellcrank arm moves outboard down elevator length wire adjusted down elevator applied simultaneously low throttle pulls wire slider problem arrangement possible wire catch slide release motion very fast can cause significant down-elevator pressure can extremely difficult counter before crash results An alternative solu tion use cable place wire add spring-loaded release such the photo Spring pressure must very light assure reliable operation using elevator bellcrank release control An alternative method using bellcrank movement release slider use tailhook purpose cable attached hook can routed through nylon brass tubeor 900 bellcrankto change its direction motion runs hook slider cable can also serve down stop hook Richard L Perry 7578 Vogels Way Springfield VA 22153 CL Combat/Johnson Continued paqe 75 event can also help three current team members World Champion bringing spare models contest fly ing practice Combat big four Im sure theyll glad try mod els youd get experience Com bating best world Westover large finding extra practice circles will no problem See note 172 Model Aviation fl Nor Cha~ 0 P0 e id tRuhb ak n PERFORMANCE CHAMPION RUBBER 4 Y16 & Widths 040 Thick Si 295 LB See hobby dealer order direct PPD CHAMPION MODEL PRODUCTS 880 CARMEN COURT LA VERNE CA 91750 17141 599-3348 lflCIde5 US delv,y va U PS CaIi esderits add 6% Sales ax THE STEARMAN 35 Wingspan Engines Send 50t Kit $104 $2195 Flyline Models CatalogPhone 703 273-9593 Dealer ributor Inquiries Invited FLYLINE MODELS INC PO Box 2136 Fairfax Virginia 22031 USA bpring-loaOed line-slider release actuated cable rather usual wire Cable lighter cannot lock elevator control slide does release fully
Edition: Model Aviation - 1984/07
Page Numbers: 74, 171, 172
Contml Line NaLy Carrier Dick Perry MYSTERY AIRCRAFT Congratulations David Broude selected winner among correctly identi fied Arado Ar-96 appeared March issue months mystery aircraft should provide little challenge good luck aircraft May issue pro totype dive bomber saw service US Navy Buccaneer Fleet Air Arm British Royal Navy Bermuda Designed mid-1930s XSBA-l produced Naval Aircraft Factory SBN-1 Brewster XSB2A- 1 larger have power-operated turret self-defense though feature carried over production aircraft Any aircraft XSBA-1 SBN-l XSB2A-1 SB2A-3 production Buccaneer carrier gear should make excellent Carrier models proportions features very similar highly successful Grumman Guardian design real difference slightly identIfy Mystery Plane eligible win years membership Navy Carrier Society Send entrIes directly Dick Perry address end column correct entries put hat name drawn select winner smaller tail-volume ratio lower aspectratio Buccaneer would allow model greater wing area within 44in-wingspan limit Low-speed aerodynamics photo Dave Wallicks Guardian March issue reprinted month generated quite few Continued page 171 74 Model Aviation -L photo Dave Wallicks Class II Guardian March 1984 issue prompted some readers ask questions about sievator positionnote nose-down position Dick explains soand model has very high yaw angle tooIn column line-slider can made plywood Adlust dimensions fit particular requirements Note latch hole Slide spring needed plane balances aft wings v-cnora point tne tan must generate lift force keep aerodynamic forces balanced Dick has say about columnand subject also related WallIck Guardian photo above As know can attest can carry great length areas have strong opinions Stunt arena would airplane design construction necessarily finish Ive got lot learn some real pros stly Noo Yawk control systems broad spectrum Stunt philosophy per sonalities n BS best Areas am quite frankly weak would cautious making recommenda tions would engines fuels fuel systems powerplant system general common picture Nats shows looking quizzically motor moment wondering less momentous now earlier get what Im doing begging materials readers can send Pictures great preferably black white 5 x 7s ever good uncluttered color shots will re produce Im told Pictures earn $5 published Fame riches boot Technical info good however must say up front feel strongly material correct might misleading will either have edit use will best reply submissions especially requested SASE included would particularly appreciate being cluded mailing list newsletters might remotely bear needs Stunt fliers Often techniques production items intended spe cialty have corollary applications other fields plan have continuing segment column known Hint Month months hint quick primer lami nating small curved outlines such rudder shapes wing tail tips forth /32-in balsa First make mold made shown 3/4-in bass rubbercemented drawing intended part cut plans Reno ship Now cut out area will laminating leaving male female segment Glue seg ment suitable base used V16 ply nice touch line area might touched glue lamination MonoKote prevent gluing part mold Next cut strips flexible /32 sheet balsa appropriate width remember youll need eight strips V4-in part thickness plenty Stunt applications finished part quite rigid soak solution hot water ammonia about half hour ratio ammonia critical just make stinky enough wife kids complain should just right Now comes critical part precurving strips have curves tighter about two-inch radius should take strip gently stroke around rounded object until grain breaks down enough allow curl easily against grain erience will quickly show much Wipe away excess water apply 0b c o ~p0 IhOqbI L good aliphatic resin glue such Tite-Bond lightly thoroughly succeeding piece Try avoid using too much excess will seep out glue part mold final step clamp laminations mold allow cure least day dry warm place part fully dried carefully remove excess wood protruding mold remove laminated part will amazed strength lightness Just what doc tor ordered Reno Speaking Reno problems thereof next month Get cards letters coming Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 Fly Stunt CL Navy Carrier/Perry Continued page 74 letters Most questioned incdnsistency between down elevator Daves model comment about flaps causing nosedown pitching moment Ill use oppor tunity identify major cause down-elevator phenomenon discuss related issue line sliders dont see relationship between two read should become clear As accompanying drawing shows aircraft balanced aft quarterchord point wing will require lift force tail keep pitching up caused fact lift wing produces can considered actJuly 1984 171 23961 CRAFTSMAN RD CALABASAS CA 91302TEL 213-992-0195TWX 9104945933 HIGH QUALITY FOAM WING CORES AND CUSTOM FOAM CUTTING have large selection wing cores available stock Custom foam cutting reasonable prices Foam blocks nichrome wire special needs Wire $40025 feet 2040 60 size floats $1295 SPECIAL Month Great Planes CAP 21 Wings 0 Information Prices Contact 0m. Stet *eromds Eaguieeiiq 21 ieee D4ve West Wwwic& 81 02892 call 401 828-8813 Please add $3 ship & Hand Foam its Best Deal Bests 1 ft ing quarter-chord point wing lift force tail usually produced some amount down-elevator wing produces lift also produces some downwash aifflow deflected downward behind wing As wings angle attack increases downwash creases well downwash affects airflow around tail tending cause nose plane pitch upthus requiring down-elevator compensate Flaps aircraft model tend concentrate downwash area behind flaps thereby countering some nose-down pitching moment caused deflecting flaps effects just described require model balanced aft quarterchord pointfarther aft Carrier fliers balance modelsif produce noticeable down elevator however another effect pronounced propeller jet take aircraft operating high angle attack will change direction incoming airflow such way cause force perpendicular original direction airflow force verti cal force aircraft level flight mean model neither climb ing nor descending though fuse lage may level altitude propeller mounted ahead bal ance point models con figured force will tend pitch nose up force becomes stronger angle attack andlor power setting increased effect produces much down-elevator seen Daves model same effect causes nose model equipped line-slider point out circle farther would difference leadout position factor acting model look photo reveals leadouts extended straight line past line slider would intersect fuselage well ahead bal ance point Although some angle caused rudder much result power effect acting sideward direction time same way Ive explained nose-up effects same effect causes oscillations can result power bursts applied low speeds line slider aft cause effect power application very low airspeeds should smooth put ting premium good throttle technique also properly adjusted carburetor Line sliders Im subject have few questions over winter building season about construct line sliders release lowspeed flight sliders quite simple construct Kingfisher Profile Carrier ar tide contained preferred method con struction using nylon sheet Sig brass channel K&S An alternative seen quite commonly external sliders consists plywood mount slide made up three layers ply shown accompanying drawing individuals use springs rubberbands move line slider aft released seems optional designs As long slider moves freely bellerank mounted onor behindthe center gravity drag lines force balance control system model should sufficient move slider release mechanism slider can simple pin attached throttle leadout requires aft movement throttle lever handle high speed Internal releases can consist 3/ms-in A6-in wire attached bellcrank arm moves outboard down elevator length wire adjusted down elevator applied simultaneously low throttle pulls wire slider problem arrangement possible wire catch slide release motion very fast can cause significant down-elevator pressure can extremely difficult counter before crash results An alternative solu tion use cable place wire add spring-loaded release such the photo Spring pressure must very light assure reliable operation using elevator bellcrank release control An alternative method using bellcrank movement release slider use tailhook purpose cable attached hook can routed through nylon brass tubeor 900 bellcrankto change its direction motion runs hook slider cable can also serve down stop hook Richard L Perry 7578 Vogels Way Springfield VA 22153 CL Combat/Johnson Continued paqe 75 event can also help three current team members World Champion bringing spare models contest fly ing practice Combat big four Im sure theyll glad try mod els youd get experience Com bating best world Westover large finding extra practice circles will no problem See note 172 Model Aviation fl Nor Cha~ 0 P0 e id tRuhb ak n PERFORMANCE CHAMPION RUBBER 4 Y16 & Widths 040 Thick Si 295 LB See hobby dealer order direct PPD CHAMPION MODEL PRODUCTS 880 CARMEN COURT LA VERNE CA 91750 17141 599-3348 lflCIde5 US delv,y va U PS CaIi esderits add 6% Sales ax THE STEARMAN 35 Wingspan Engines Send 50t Kit $104 $2195 Flyline Models CatalogPhone 703 273-9593 Dealer ributor Inquiries Invited FLYLINE MODELS INC PO Box 2136 Fairfax Virginia 22031 USA bpring-loaOed line-slider release actuated cable rather usual wire Cable lighter cannot lock elevator control slide does release fully
Edition: Model Aviation - 1984/07
Page Numbers: 74, 171, 172
Contml Line NaLy Carrier Dick Perry MYSTERY AIRCRAFT Congratulations David Broude selected winner among correctly identi fied Arado Ar-96 appeared March issue months mystery aircraft should provide little challenge good luck aircraft May issue pro totype dive bomber saw service US Navy Buccaneer Fleet Air Arm British Royal Navy Bermuda Designed mid-1930s XSBA-l produced Naval Aircraft Factory SBN-1 Brewster XSB2A- 1 larger have power-operated turret self-defense though feature carried over production aircraft Any aircraft XSBA-1 SBN-l XSB2A-1 SB2A-3 production Buccaneer carrier gear should make excellent Carrier models proportions features very similar highly successful Grumman Guardian design real difference slightly identIfy Mystery Plane eligible win years membership Navy Carrier Society Send entrIes directly Dick Perry address end column correct entries put hat name drawn select winner smaller tail-volume ratio lower aspectratio Buccaneer would allow model greater wing area within 44in-wingspan limit Low-speed aerodynamics photo Dave Wallicks Guardian March issue reprinted month generated quite few Continued page 171 74 Model Aviation -L photo Dave Wallicks Class II Guardian March 1984 issue prompted some readers ask questions about sievator positionnote nose-down position Dick explains soand model has very high yaw angle tooIn column line-slider can made plywood Adlust dimensions fit particular requirements Note latch hole Slide spring needed plane balances aft wings v-cnora point tne tan must generate lift force keep aerodynamic forces balanced Dick has say about columnand subject also related WallIck Guardian photo above As know can attest can carry great length areas have strong opinions Stunt arena would airplane design construction necessarily finish Ive got lot learn some real pros stly Noo Yawk control systems broad spectrum Stunt philosophy per sonalities n BS best Areas am quite frankly weak would cautious making recommenda tions would engines fuels fuel systems powerplant system general common picture Nats shows looking quizzically motor moment wondering less momentous now earlier get what Im doing begging materials readers can send Pictures great preferably black white 5 x 7s ever good uncluttered color shots will re produce Im told Pictures earn $5 published Fame riches boot Technical info good however must say up front feel strongly material correct might misleading will either have edit use will best reply submissions especially requested SASE included would particularly appreciate being cluded mailing list newsletters might remotely bear needs Stunt fliers Often techniques production items intended spe cialty have corollary applications other fields plan have continuing segment column known Hint Month months hint quick primer lami nating small curved outlines such rudder shapes wing tail tips forth /32-in balsa First make mold made shown 3/4-in bass rubbercemented drawing intended part cut plans Reno ship Now cut out area will laminating leaving male female segment Glue seg ment suitable base used V16 ply nice touch line area might touched glue lamination MonoKote prevent gluing part mold Next cut strips flexible /32 sheet balsa appropriate width remember youll need eight strips V4-in part thickness plenty Stunt applications finished part quite rigid soak solution hot water ammonia about half hour ratio ammonia critical just make stinky enough wife kids complain should just right Now comes critical part precurving strips have curves tighter about two-inch radius should take strip gently stroke around rounded object until grain breaks down enough allow curl easily against grain erience will quickly show much Wipe away excess water apply 0b c o ~p0 IhOqbI L good aliphatic resin glue such Tite-Bond lightly thoroughly succeeding piece Try avoid using too much excess will seep out glue part mold final step clamp laminations mold allow cure least day dry warm place part fully dried carefully remove excess wood protruding mold remove laminated part will amazed strength lightness Just what doc tor ordered Reno Speaking Reno problems thereof next month Get cards letters coming Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 Fly Stunt CL Navy Carrier/Perry Continued page 74 letters Most questioned incdnsistency between down elevator Daves model comment about flaps causing nosedown pitching moment Ill use oppor tunity identify major cause down-elevator phenomenon discuss related issue line sliders dont see relationship between two read should become clear As accompanying drawing shows aircraft balanced aft quarterchord point wing will require lift force tail keep pitching up caused fact lift wing produces can considered actJuly 1984 171 23961 CRAFTSMAN RD CALABASAS CA 91302TEL 213-992-0195TWX 9104945933 HIGH QUALITY FOAM WING CORES AND CUSTOM FOAM CUTTING have large selection wing cores available stock Custom foam cutting reasonable prices Foam blocks nichrome wire special needs Wire $40025 feet 2040 60 size floats $1295 SPECIAL Month Great Planes CAP 21 Wings 0 Information Prices Contact 0m. Stet *eromds Eaguieeiiq 21 ieee D4ve West Wwwic& 81 02892 call 401 828-8813 Please add $3 ship & Hand Foam its Best Deal Bests 1 ft ing quarter-chord point wing lift force tail usually produced some amount down-elevator wing produces lift also produces some downwash aifflow deflected downward behind wing As wings angle attack increases downwash creases well downwash affects airflow around tail tending cause nose plane pitch upthus requiring down-elevator compensate Flaps aircraft model tend concentrate downwash area behind flaps thereby countering some nose-down pitching moment caused deflecting flaps effects just described require model balanced aft quarterchord pointfarther aft Carrier fliers balance modelsif produce noticeable down elevator however another effect pronounced propeller jet take aircraft operating high angle attack will change direction incoming airflow such way cause force perpendicular original direction airflow force verti cal force aircraft level flight mean model neither climb ing nor descending though fuse lage may level altitude propeller mounted ahead bal ance point models con figured force will tend pitch nose up force becomes stronger angle attack andlor power setting increased effect produces much down-elevator seen Daves model same effect causes nose model equipped line-slider point out circle farther would difference leadout position factor acting model look photo reveals leadouts extended straight line past line slider would intersect fuselage well ahead bal ance point Although some angle caused rudder much result power effect acting sideward direction time same way Ive explained nose-up effects same effect causes oscillations can result power bursts applied low speeds line slider aft cause effect power application very low airspeeds should smooth put ting premium good throttle technique also properly adjusted carburetor Line sliders Im subject have few questions over winter building season about construct line sliders release lowspeed flight sliders quite simple construct Kingfisher Profile Carrier ar tide contained preferred method con struction using nylon sheet Sig brass channel K&S An alternative seen quite commonly external sliders consists plywood mount slide made up three layers ply shown accompanying drawing individuals use springs rubberbands move line slider aft released seems optional designs As long slider moves freely bellerank mounted onor behindthe center gravity drag lines force balance control system model should sufficient move slider release mechanism slider can simple pin attached throttle leadout requires aft movement throttle lever handle high speed Internal releases can consist 3/ms-in A6-in wire attached bellcrank arm moves outboard down elevator length wire adjusted down elevator applied simultaneously low throttle pulls wire slider problem arrangement possible wire catch slide release motion very fast can cause significant down-elevator pressure can extremely difficult counter before crash results An alternative solu tion use cable place wire add spring-loaded release such the photo Spring pressure must very light assure reliable operation using elevator bellcrank release control An alternative method using bellcrank movement release slider use tailhook purpose cable attached hook can routed through nylon brass tubeor 900 bellcrankto change its direction motion runs hook slider cable can also serve down stop hook Richard L Perry 7578 Vogels Way Springfield VA 22153 CL Combat/Johnson Continued paqe 75 event can also help three current team members World Champion bringing spare models contest fly ing practice Combat big four Im sure theyll glad try mod els youd get experience Com bating best world Westover large finding extra practice circles will no problem See note 172 Model Aviation fl Nor Cha~ 0 P0 e id tRuhb ak n PERFORMANCE CHAMPION RUBBER 4 Y16 & Widths 040 Thick Si 295 LB See hobby dealer order direct PPD CHAMPION MODEL PRODUCTS 880 CARMEN COURT LA VERNE CA 91750 17141 599-3348 lflCIde5 US delv,y va U PS CaIi esderits add 6% Sales ax THE STEARMAN 35 Wingspan Engines Send 50t Kit $104 $2195 Flyline Models CatalogPhone 703 273-9593 Dealer ributor Inquiries Invited FLYLINE MODELS INC PO Box 2136 Fairfax Virginia 22031 USA bpring-loaOed line-slider release actuated cable rather usual wire Cable lighter cannot lock elevator control slide does release fully