ru never forget silver biplane sitting cabin door swung open boosted up o wing sions first Airport day plush interior runn dow roaring su erating us ex Michigan landscane airplane cabin finally got arou Waco classic started out coi huge 50-inch span r old Megow free-flight scale couldnt resist radio version Ili could perform low maybe bring t ment first ai free-flight idea ma affected design models all-up weign guarantee sport-flight ailerons can mrs big Wai Brent views tell yo t rigid strut rathel arising construction scale biplane area would weigh n Largely because iie about 8 ounce out eis have e s 15-pow fternoon Dons C ants stringer bipe modelers ht easy takeoffs and] uch-and-goes its io fragile hangar qu e years use ano sorts conditions attc erviceability repa en required far scrapes ioy Don iv rtflight dTime n ag.I mode. y m ract a inter atUre& irious iiucnes fro flS tstrucfl ough Its Strame ture ciwoodev itwood usuaj DOthe -cccansi ci 3duccmCabir advertis ph Lnding sr Ji means land to asc er Ja n series ipissmoo1 asnt it flies abot u,dIieIed realism bL m 5C - sint Sc 1/A F- F-14 GLIED J ENGINE N 3/16SQ COWL Ci I/8PLYVAJOD COWLTO F-i FORMER WITH 3 UNLT INS 20 Model Aviation NO OCR TEXT SFRS 40 SCREWS 2 SA GUSSETS FRAME MO*IT ARS M6 LA K L SQSPRUC LIJE F-IO 3/I6BALSA 1 Fi I/8 PLYWOOD T1 FRONT FRAME 3/32u8A1SA FILLERS CONTAI 3/32 WIRE BETWEEN F-6 FO*AERS IGATrACH EPOXY D4 NO OCR TEXT FOR THE SOARING BUFF supertape applies stickey brushing masking Its stronger typical R/C building material lt weighs 1 gin per sq ft building area lts 0005 thick Its ready instant apply Sits quickest efficient method applying balsa greenskin other skin foam wing cores Plus dozens other great uses Try 3/8roll $479 1roli $795 2roIl $1595 ALL ROLLS ARE 2160 LONG SUPERWINGS superwings Portfolio Everything need know create own super-performance sailplane completely illustrated difinative work 20 pages packed technical data charts diagrams step-bystep instructions million $ worth information interested obtaining winning edge sailplane performance Hi Johnson Only $150 11015 Glenoaks Blvd Pacoima CA 91331 Tel 12131 8994312J Openers/Winter continued page 4 Over Don Srulls drawing table big homemade projector Finally opted two best looking draw ings scaled side view size multiplied 5 would give us model profile Another drawing scaled multiplication 8this planform Srull Bowers old wizard Ned Kragness bull session us during projected color slides Antique Aircraft Museum Ned explained tube nut bolt weve whipping out sheets drawings cross sections started over three times What now trying to freeze reason able level scalethis Sport Scale modeland crate has flown crank numerous minute cor rections final drawing Everyone has advice ought scale exhaust etcyou know Ned wants us build up Warren Truss ribs little ply gussets eyes roll said would cov ered painted would know what inside absolutely horrified Come fel lows wanted nice crate fly no competition just long does exhibit visual errors Now know what scale guys go through documentation begins insidiously builds builds like anvil-head thunderstorm Research becomes game itself fascinating enjoyable tend forget model Research unveiled hobby itself within could enjoy life time hobby uncontrolled documenta tion single design single airplane What license numbers ship building Which varia tion really copying find stringers no knew about nobody shows drawing Longerons shown curved drawing engineer types tell us thats no-nothat steel tube never bowed because its compression strength would shot darn wheeis 7 inches have make supposed fun project So well put Williams biggest6 inches maybe replace later big gest Williams cylinders e Gnome rotary make 7cylinder Warner out Now Fox 78 extension shaft mount ed 8 oclock put its head between dummy cylindersbut head doesnt show anyway have epoxy allergy Murder Now what So some guys tell us fool long enough stuff allergy part game fumes Being editor have big advantage three weeks research would take six months year otherwise Now hung up wing tipsnothing accur ate front view everything dis agreement Sooner later well back track make detailed drawings tail wheel assembly etcwe hope Time becomes meaningless Whereas building always frantic rush get air now feel enjoyment building big deal really dont care youll get done Enjoy step drawings look like road map rural Saudi Arabiavast open Spaces Will live long enough see thing fly cares get field got station wagon cares shop 9 x 12 three six-foot airplanes hang plus bench plus drawing table plus couch usually cat Aristocrat can assembled indoors Now dig guys built Tower Babel Pyramids Eiffel Tower Maybe should have stuck rubberscale guys Join us next Saturday after noon episode 15 Radio Technique/Myers continued page 17 dealing subject called EMI Electro-Magnetic Interference According experts getting rid EMI art science Whatever works right thing other hand flying buddy Nick Ziroli has building flying types models years ranging hA 200-pound RPVs Nick says has never found need chokes set working cor rectly before installed So having trouble likely caused wear tear will yield solutions proposed above Owners Kraft radios can purchase special harness No 200-193 direct factory containing chokes proper size use 22 H highcurrent chokes must specify system harness used cause Kraft has used several types connectors over years several patterns connections might make leads up other brands ask nicely dont know sure worst can happen say no February 1979 issue QST magazine has feature story device called Incon need choke filter Incon looks like good pos sible solution Youll have make own want because isnt production yet above bits information given BOB ABERLE W2QPP Keep letters coming folks Id par ticularly like hear some folks have solved problems George Myers 70 Froehlich Farm Rd Hicksville NY 11801 Waco/Sru II continued page 23 appropriate ribs clothes pins work well slip N struts place Move clips around until nice fit obtained spot glue clips small dab epoxy epoxy sets remove struts secure clips plenty epoxy a rib scabs cowl shown plans simple light strong First build balsa drum like frame Sand outside surface smooth perfect circle Next cut heavy May1979 95 SCALE CLASICS Plans & Construction Manual CuRTiSS HAWK P8E STINSON RELIANT SR8 /eScaleg4eSpan 22W WScaIe 126 Span 25e0 2Scale 83 Span e12 2Scale 84 Span e15 1W Scale 47VeSpan lO L 1WScle 83 Spanl2O CURTISS GOSHAWK Filce 2 Scale 83 Spar 81500 CURTiSS OuLFHAWK lA . 2Scale 63 Span 81800 / Scale 84W Span 53O50 Please Add SISO Fe Ode FosteSe a,d I-ladflfla. OteldeUS Add SSOOMake PaytneOta tO Richard G Barron1213 Hoily Spring Ln Grand Biano MichIgan 48439 Sed 510010 COetelete lflftetloC paper pattern cowl skin fits properly cut skin piece 1/32 plywood Finally clamp epoxy skin place may help moisten outside skin water help conform cowl curvature After sanding fitting cowl fuselage cut holes cowl engines needle valve exhaust extension cooling air exit bottom can also cut hole cowl glow plug connector instead install jack cowl perma nently wired engine glow plug Covering Finishing model covered silk fuselage medium weight Silkspan wings tail surfaces Plastic shrink film could used wings horizontal tail surfaces weight penalty same time increase resistance punctures Before final painting add windshield window framing cut heavy paper finished airplane 3 4 coats butyrate low-shrink dope followed two coats butyrate sanding sealer After light sanding sprayed two coats color butyrate Trim stripes registration numbers masked off sprayed after door outlines various panels outlined drawing pen ink inked areas sprayed coat clear butyrate seal against fuel oil Flying Make sure model balances within position indicated plans no warps have crept flying surfaces model weighs less 2 pounds hardly thing else say first test flights should piece cake small amount right rudder may needed beginning takeoff roll Hold down runway bit down elevator necessary build up reasonable amount speed before lift off first few flights very small amount up elevator will get Waco airborne smooth straight shallow climb-out Later will able pull off after very short ground roll still have solid control 94 prop mild fuel model performs very well off grass hardsurfaced runways no quirks kind ground air 2/3 throttle its flight characteristics very smooth scale-like repeat once again believe light wing loading principal reason docile performance After several trim flights should doing spot landings touch-and-goes best Welcome Waco club happy landing RC Scale/Wischers continued page 25 increase climb angle used borrow altitude speed clear obstacle returning normal climb soon pos sible instant touch-down three-point landing tail wheel plane also exceeding attack angle flat glide During aerobatics often use high angles attack intentional maneuvers done awareness results What trying avoid condition up elevator held inadvertently unnoticed easing back stick concentrating takeoff landing approach best weapon against problem control reversal de-sensitize elevator control reducing travel approximately 15 degrees side center An expensive solution would dual-rate elevator con trol transmitter travel could limited takeoff landing elevator stick springs could tightened transmitter conscious effort needed obtain greater travel solution dislike because affinity aero batics Finally holding angle bank during turns near ground less 20 degrees will help avert trouble Lets disappoint come watch thousand-hour scale models crash flier confesses no fear accidents cannot fly planes qualification fly built-in apprehension Single Strut Landing Gears scale models best friend landing gear will absorb shock damage struc ture devise such gear best follow full-scale practice using coil com pression springs absorb both direct rebound shock Preferred material strut body thin-wall chrome molybdenum 4130 steel tube type used welded aircraft fuselage construction Scrap lengths needed usually obtainable friendly neighborhood airport fixed base operator desireable size 50 outside diameter wall thickness 035 Its retail price should about $150 per foot Other materials such brass lower grades steel can used strength does approach 4130 aircraft tubing lower leg moves vertically within strut body formed 156 music wire built up brass tube proper scale diameter brass turning made rod covers wire bend also serves mount lower scissors yoke Scissors filed solid aluminum bar preferably 2024 alloy ease machining hardness four scissors parts identical Springs wound music wire Winding forces greater can managed hand springs wound mandrel chucked lathe using back gears obtain slowest possible winding speed wind springs hand mandrel would need driven 6 8 long crank lever mandrel supported substantial bearings clamped vise mandrel should slightly smaller desired inside diameter spring because will some opening coils after winding wire-size hole drilled through mandrel secures wire starting coiling winding manually person turns crank second uses visegrip plier apply maximum tension wire Coils laid spacing will result proper free length spring desired number turns has reached Spacing between adjacent coils important winding spring length fit strut body Music wire hobby shop variety discouraged first attempts correct Most made trial error method real trick get two sufficiently similar length number turns both landing gear legs Springs 98 Model Aviation FINISH MODEL AS ANY ONE OF THREE DIFFERENT AIRCRAFT #121 GILMORE RED LION MISS PATTERSON MISS NEW ORLEANS PRICE $595 FROM YOUR DEALER OR ORDER DIRECT ADDING 15% POSTAGE AND HANDLING SRND5OFORCATALOG DEPt MA PAWNEE STREET MARCOS CALIFORNIA 9
Edition: Model Aviation - 1979/05
Page Numbers: 18, 19, 20, 21, 22, 23, 95, 98
ru never forget silver biplane sitting cabin door swung open boosted up o wing sions first Airport day plush interior runn dow roaring su erating us ex Michigan landscane airplane cabin finally got arou Waco classic started out coi huge 50-inch span r old Megow free-flight scale couldnt resist radio version Ili could perform low maybe bring t ment first ai free-flight idea ma affected design models all-up weign guarantee sport-flight ailerons can mrs big Wai Brent views tell yo t rigid strut rathel arising construction scale biplane area would weigh n Largely because iie about 8 ounce out eis have e s 15-pow fternoon Dons C ants stringer bipe modelers ht easy takeoffs and] uch-and-goes its io fragile hangar qu e years use ano sorts conditions attc erviceability repa en required far scrapes ioy Don iv rtflight dTime n ag.I mode. y m ract a inter atUre& irious iiucnes fro flS tstrucfl ough Its Strame ture ciwoodev itwood usuaj DOthe -cccansi ci 3duccmCabir advertis ph Lnding sr Ji means land to asc er Ja n series ipissmoo1 asnt it flies abot u,dIieIed realism bL m 5C - sint Sc 1/A F- F-14 GLIED J ENGINE N 3/16SQ COWL Ci I/8PLYVAJOD COWLTO F-i FORMER WITH 3 UNLT INS 20 Model Aviation NO OCR TEXT SFRS 40 SCREWS 2 SA GUSSETS FRAME MO*IT ARS M6 LA K L SQSPRUC LIJE F-IO 3/I6BALSA 1 Fi I/8 PLYWOOD T1 FRONT FRAME 3/32u8A1SA FILLERS CONTAI 3/32 WIRE BETWEEN F-6 FO*AERS IGATrACH EPOXY D4 NO OCR TEXT FOR THE SOARING BUFF supertape applies stickey brushing masking Its stronger typical R/C building material lt weighs 1 gin per sq ft building area lts 0005 thick Its ready instant apply Sits quickest efficient method applying balsa greenskin other skin foam wing cores Plus dozens other great uses Try 3/8roll $479 1roli $795 2roIl $1595 ALL ROLLS ARE 2160 LONG SUPERWINGS superwings Portfolio Everything need know create own super-performance sailplane completely illustrated difinative work 20 pages packed technical data charts diagrams step-bystep instructions million $ worth information interested obtaining winning edge sailplane performance Hi Johnson Only $150 11015 Glenoaks Blvd Pacoima CA 91331 Tel 12131 8994312J Openers/Winter continued page 4 Over Don Srulls drawing table big homemade projector Finally opted two best looking draw ings scaled side view size multiplied 5 would give us model profile Another drawing scaled multiplication 8this planform Srull Bowers old wizard Ned Kragness bull session us during projected color slides Antique Aircraft Museum Ned explained tube nut bolt weve whipping out sheets drawings cross sections started over three times What now trying to freeze reason able level scalethis Sport Scale modeland crate has flown crank numerous minute cor rections final drawing Everyone has advice ought scale exhaust etcyou know Ned wants us build up Warren Truss ribs little ply gussets eyes roll said would cov ered painted would know what inside absolutely horrified Come fel lows wanted nice crate fly no competition just long does exhibit visual errors Now know what scale guys go through documentation begins insidiously builds builds like anvil-head thunderstorm Research becomes game itself fascinating enjoyable tend forget model Research unveiled hobby itself within could enjoy life time hobby uncontrolled documenta tion single design single airplane What license numbers ship building Which varia tion really copying find stringers no knew about nobody shows drawing Longerons shown curved drawing engineer types tell us thats no-nothat steel tube never bowed because its compression strength would shot darn wheeis 7 inches have make supposed fun project So well put Williams biggest6 inches maybe replace later big gest Williams cylinders e Gnome rotary make 7cylinder Warner out Now Fox 78 extension shaft mount ed 8 oclock put its head between dummy cylindersbut head doesnt show anyway have epoxy allergy Murder Now what So some guys tell us fool long enough stuff allergy part game fumes Being editor have big advantage three weeks research would take six months year otherwise Now hung up wing tipsnothing accur ate front view everything dis agreement Sooner later well back track make detailed drawings tail wheel assembly etcwe hope Time becomes meaningless Whereas building always frantic rush get air now feel enjoyment building big deal really dont care youll get done Enjoy step drawings look like road map rural Saudi Arabiavast open Spaces Will live long enough see thing fly cares get field got station wagon cares shop 9 x 12 three six-foot airplanes hang plus bench plus drawing table plus couch usually cat Aristocrat can assembled indoors Now dig guys built Tower Babel Pyramids Eiffel Tower Maybe should have stuck rubberscale guys Join us next Saturday after noon episode 15 Radio Technique/Myers continued page 17 dealing subject called EMI Electro-Magnetic Interference According experts getting rid EMI art science Whatever works right thing other hand flying buddy Nick Ziroli has building flying types models years ranging hA 200-pound RPVs Nick says has never found need chokes set working cor rectly before installed So having trouble likely caused wear tear will yield solutions proposed above Owners Kraft radios can purchase special harness No 200-193 direct factory containing chokes proper size use 22 H highcurrent chokes must specify system harness used cause Kraft has used several types connectors over years several patterns connections might make leads up other brands ask nicely dont know sure worst can happen say no February 1979 issue QST magazine has feature story device called Incon need choke filter Incon looks like good pos sible solution Youll have make own want because isnt production yet above bits information given BOB ABERLE W2QPP Keep letters coming folks Id par ticularly like hear some folks have solved problems George Myers 70 Froehlich Farm Rd Hicksville NY 11801 Waco/Sru II continued page 23 appropriate ribs clothes pins work well slip N struts place Move clips around until nice fit obtained spot glue clips small dab epoxy epoxy sets remove struts secure clips plenty epoxy a rib scabs cowl shown plans simple light strong First build balsa drum like frame Sand outside surface smooth perfect circle Next cut heavy May1979 95 SCALE CLASICS Plans & Construction Manual CuRTiSS HAWK P8E STINSON RELIANT SR8 /eScaleg4eSpan 22W WScaIe 126 Span 25e0 2Scale 83 Span e12 2Scale 84 Span e15 1W Scale 47VeSpan lO L 1WScle 83 Spanl2O CURTISS GOSHAWK Filce 2 Scale 83 Spar 81500 CURTiSS OuLFHAWK lA . 2Scale 63 Span 81800 / Scale 84W Span 53O50 Please Add SISO Fe Ode FosteSe a,d I-ladflfla. OteldeUS Add SSOOMake PaytneOta tO Richard G Barron1213 Hoily Spring Ln Grand Biano MichIgan 48439 Sed 510010 COetelete lflftetloC paper pattern cowl skin fits properly cut skin piece 1/32 plywood Finally clamp epoxy skin place may help moisten outside skin water help conform cowl curvature After sanding fitting cowl fuselage cut holes cowl engines needle valve exhaust extension cooling air exit bottom can also cut hole cowl glow plug connector instead install jack cowl perma nently wired engine glow plug Covering Finishing model covered silk fuselage medium weight Silkspan wings tail surfaces Plastic shrink film could used wings horizontal tail surfaces weight penalty same time increase resistance punctures Before final painting add windshield window framing cut heavy paper finished airplane 3 4 coats butyrate low-shrink dope followed two coats butyrate sanding sealer After light sanding sprayed two coats color butyrate Trim stripes registration numbers masked off sprayed after door outlines various panels outlined drawing pen ink inked areas sprayed coat clear butyrate seal against fuel oil Flying Make sure model balances within position indicated plans no warps have crept flying surfaces model weighs less 2 pounds hardly thing else say first test flights should piece cake small amount right rudder may needed beginning takeoff roll Hold down runway bit down elevator necessary build up reasonable amount speed before lift off first few flights very small amount up elevator will get Waco airborne smooth straight shallow climb-out Later will able pull off after very short ground roll still have solid control 94 prop mild fuel model performs very well off grass hardsurfaced runways no quirks kind ground air 2/3 throttle its flight characteristics very smooth scale-like repeat once again believe light wing loading principal reason docile performance After several trim flights should doing spot landings touch-and-goes best Welcome Waco club happy landing RC Scale/Wischers continued page 25 increase climb angle used borrow altitude speed clear obstacle returning normal climb soon pos sible instant touch-down three-point landing tail wheel plane also exceeding attack angle flat glide During aerobatics often use high angles attack intentional maneuvers done awareness results What trying avoid condition up elevator held inadvertently unnoticed easing back stick concentrating takeoff landing approach best weapon against problem control reversal de-sensitize elevator control reducing travel approximately 15 degrees side center An expensive solution would dual-rate elevator con trol transmitter travel could limited takeoff landing elevator stick springs could tightened transmitter conscious effort needed obtain greater travel solution dislike because affinity aero batics Finally holding angle bank during turns near ground less 20 degrees will help avert trouble Lets disappoint come watch thousand-hour scale models crash flier confesses no fear accidents cannot fly planes qualification fly built-in apprehension Single Strut Landing Gears scale models best friend landing gear will absorb shock damage struc ture devise such gear best follow full-scale practice using coil com pression springs absorb both direct rebound shock Preferred material strut body thin-wall chrome molybdenum 4130 steel tube type used welded aircraft fuselage construction Scrap lengths needed usually obtainable friendly neighborhood airport fixed base operator desireable size 50 outside diameter wall thickness 035 Its retail price should about $150 per foot Other materials such brass lower grades steel can used strength does approach 4130 aircraft tubing lower leg moves vertically within strut body formed 156 music wire built up brass tube proper scale diameter brass turning made rod covers wire bend also serves mount lower scissors yoke Scissors filed solid aluminum bar preferably 2024 alloy ease machining hardness four scissors parts identical Springs wound music wire Winding forces greater can managed hand springs wound mandrel chucked lathe using back gears obtain slowest possible winding speed wind springs hand mandrel would need driven 6 8 long crank lever mandrel supported substantial bearings clamped vise mandrel should slightly smaller desired inside diameter spring because will some opening coils after winding wire-size hole drilled through mandrel secures wire starting coiling winding manually person turns crank second uses visegrip plier apply maximum tension wire Coils laid spacing will result proper free length spring desired number turns has reached Spacing between adjacent coils important winding spring length fit strut body Music wire hobby shop variety discouraged first attempts correct Most made trial error method real trick get two sufficiently similar length number turns both landing gear legs Springs 98 Model Aviation FINISH MODEL AS ANY ONE OF THREE DIFFERENT AIRCRAFT #121 GILMORE RED LION MISS PATTERSON MISS NEW ORLEANS PRICE $595 FROM YOUR DEALER OR ORDER DIRECT ADDING 15% POSTAGE AND HANDLING SRND5OFORCATALOG DEPt MA PAWNEE STREET MARCOS CALIFORNIA 9
Edition: Model Aviation - 1979/05
Page Numbers: 18, 19, 20, 21, 22, 23, 95, 98
ru never forget silver biplane sitting cabin door swung open boosted up o wing sions first Airport day plush interior runn dow roaring su erating us ex Michigan landscane airplane cabin finally got arou Waco classic started out coi huge 50-inch span r old Megow free-flight scale couldnt resist radio version Ili could perform low maybe bring t ment first ai free-flight idea ma affected design models all-up weign guarantee sport-flight ailerons can mrs big Wai Brent views tell yo t rigid strut rathel arising construction scale biplane area would weigh n Largely because iie about 8 ounce out eis have e s 15-pow fternoon Dons C ants stringer bipe modelers ht easy takeoffs and] uch-and-goes its io fragile hangar qu e years use ano sorts conditions attc erviceability repa en required far scrapes ioy Don iv rtflight dTime n ag.I mode. y m ract a inter atUre& irious iiucnes fro flS tstrucfl ough Its Strame ture ciwoodev itwood usuaj DOthe -cccansi ci 3duccmCabir advertis ph Lnding sr Ji means land to asc er Ja n series ipissmoo1 asnt it flies abot u,dIieIed realism bL m 5C - sint Sc 1/A F- F-14 GLIED J ENGINE N 3/16SQ COWL Ci I/8PLYVAJOD COWLTO F-i FORMER WITH 3 UNLT INS 20 Model Aviation NO OCR TEXT SFRS 40 SCREWS 2 SA GUSSETS FRAME MO*IT ARS M6 LA K L SQSPRUC LIJE F-IO 3/I6BALSA 1 Fi I/8 PLYWOOD T1 FRONT FRAME 3/32u8A1SA FILLERS CONTAI 3/32 WIRE BETWEEN F-6 FO*AERS IGATrACH EPOXY D4 NO OCR TEXT FOR THE SOARING BUFF supertape applies stickey brushing masking Its stronger typical R/C building material lt weighs 1 gin per sq ft building area lts 0005 thick Its ready instant apply Sits quickest efficient method applying balsa greenskin other skin foam wing cores Plus dozens other great uses Try 3/8roll $479 1roli $795 2roIl $1595 ALL ROLLS ARE 2160 LONG SUPERWINGS superwings Portfolio Everything need know create own super-performance sailplane completely illustrated difinative work 20 pages packed technical data charts diagrams step-bystep instructions million $ worth information interested obtaining winning edge sailplane performance Hi Johnson Only $150 11015 Glenoaks Blvd Pacoima CA 91331 Tel 12131 8994312J Openers/Winter continued page 4 Over Don Srulls drawing table big homemade projector Finally opted two best looking draw ings scaled side view size multiplied 5 would give us model profile Another drawing scaled multiplication 8this planform Srull Bowers old wizard Ned Kragness bull session us during projected color slides Antique Aircraft Museum Ned explained tube nut bolt weve whipping out sheets drawings cross sections started over three times What now trying to freeze reason able level scalethis Sport Scale modeland crate has flown crank numerous minute cor rections final drawing Everyone has advice ought scale exhaust etcyou know Ned wants us build up Warren Truss ribs little ply gussets eyes roll said would cov ered painted would know what inside absolutely horrified Come fel lows wanted nice crate fly no competition just long does exhibit visual errors Now know what scale guys go through documentation begins insidiously builds builds like anvil-head thunderstorm Research becomes game itself fascinating enjoyable tend forget model Research unveiled hobby itself within could enjoy life time hobby uncontrolled documenta tion single design single airplane What license numbers ship building Which varia tion really copying find stringers no knew about nobody shows drawing Longerons shown curved drawing engineer types tell us thats no-nothat steel tube never bowed because its compression strength would shot darn wheeis 7 inches have make supposed fun project So well put Williams biggest6 inches maybe replace later big gest Williams cylinders e Gnome rotary make 7cylinder Warner out Now Fox 78 extension shaft mount ed 8 oclock put its head between dummy cylindersbut head doesnt show anyway have epoxy allergy Murder Now what So some guys tell us fool long enough stuff allergy part game fumes Being editor have big advantage three weeks research would take six months year otherwise Now hung up wing tipsnothing accur ate front view everything dis agreement Sooner later well back track make detailed drawings tail wheel assembly etcwe hope Time becomes meaningless Whereas building always frantic rush get air now feel enjoyment building big deal really dont care youll get done Enjoy step drawings look like road map rural Saudi Arabiavast open Spaces Will live long enough see thing fly cares get field got station wagon cares shop 9 x 12 three six-foot airplanes hang plus bench plus drawing table plus couch usually cat Aristocrat can assembled indoors Now dig guys built Tower Babel Pyramids Eiffel Tower Maybe should have stuck rubberscale guys Join us next Saturday after noon episode 15 Radio Technique/Myers continued page 17 dealing subject called EMI Electro-Magnetic Interference According experts getting rid EMI art science Whatever works right thing other hand flying buddy Nick Ziroli has building flying types models years ranging hA 200-pound RPVs Nick says has never found need chokes set working cor rectly before installed So having trouble likely caused wear tear will yield solutions proposed above Owners Kraft radios can purchase special harness No 200-193 direct factory containing chokes proper size use 22 H highcurrent chokes must specify system harness used cause Kraft has used several types connectors over years several patterns connections might make leads up other brands ask nicely dont know sure worst can happen say no February 1979 issue QST magazine has feature story device called Incon need choke filter Incon looks like good pos sible solution Youll have make own want because isnt production yet above bits information given BOB ABERLE W2QPP Keep letters coming folks Id par ticularly like hear some folks have solved problems George Myers 70 Froehlich Farm Rd Hicksville NY 11801 Waco/Sru II continued page 23 appropriate ribs clothes pins work well slip N struts place Move clips around until nice fit obtained spot glue clips small dab epoxy epoxy sets remove struts secure clips plenty epoxy a rib scabs cowl shown plans simple light strong First build balsa drum like frame Sand outside surface smooth perfect circle Next cut heavy May1979 95 SCALE CLASICS Plans & Construction Manual CuRTiSS HAWK P8E STINSON RELIANT SR8 /eScaleg4eSpan 22W WScaIe 126 Span 25e0 2Scale 83 Span e12 2Scale 84 Span e15 1W Scale 47VeSpan lO L 1WScle 83 Spanl2O CURTISS GOSHAWK Filce 2 Scale 83 Spar 81500 CURTiSS OuLFHAWK lA . 2Scale 63 Span 81800 / Scale 84W Span 53O50 Please Add SISO Fe Ode FosteSe a,d I-ladflfla. OteldeUS Add SSOOMake PaytneOta tO Richard G Barron1213 Hoily Spring Ln Grand Biano MichIgan 48439 Sed 510010 COetelete lflftetloC paper pattern cowl skin fits properly cut skin piece 1/32 plywood Finally clamp epoxy skin place may help moisten outside skin water help conform cowl curvature After sanding fitting cowl fuselage cut holes cowl engines needle valve exhaust extension cooling air exit bottom can also cut hole cowl glow plug connector instead install jack cowl perma nently wired engine glow plug Covering Finishing model covered silk fuselage medium weight Silkspan wings tail surfaces Plastic shrink film could used wings horizontal tail surfaces weight penalty same time increase resistance punctures Before final painting add windshield window framing cut heavy paper finished airplane 3 4 coats butyrate low-shrink dope followed two coats butyrate sanding sealer After light sanding sprayed two coats color butyrate Trim stripes registration numbers masked off sprayed after door outlines various panels outlined drawing pen ink inked areas sprayed coat clear butyrate seal against fuel oil Flying Make sure model balances within position indicated plans no warps have crept flying surfaces model weighs less 2 pounds hardly thing else say first test flights should piece cake small amount right rudder may needed beginning takeoff roll Hold down runway bit down elevator necessary build up reasonable amount speed before lift off first few flights very small amount up elevator will get Waco airborne smooth straight shallow climb-out Later will able pull off after very short ground roll still have solid control 94 prop mild fuel model performs very well off grass hardsurfaced runways no quirks kind ground air 2/3 throttle its flight characteristics very smooth scale-like repeat once again believe light wing loading principal reason docile performance After several trim flights should doing spot landings touch-and-goes best Welcome Waco club happy landing RC Scale/Wischers continued page 25 increase climb angle used borrow altitude speed clear obstacle returning normal climb soon pos sible instant touch-down three-point landing tail wheel plane also exceeding attack angle flat glide During aerobatics often use high angles attack intentional maneuvers done awareness results What trying avoid condition up elevator held inadvertently unnoticed easing back stick concentrating takeoff landing approach best weapon against problem control reversal de-sensitize elevator control reducing travel approximately 15 degrees side center An expensive solution would dual-rate elevator con trol transmitter travel could limited takeoff landing elevator stick springs could tightened transmitter conscious effort needed obtain greater travel solution dislike because affinity aero batics Finally holding angle bank during turns near ground less 20 degrees will help avert trouble Lets disappoint come watch thousand-hour scale models crash flier confesses no fear accidents cannot fly planes qualification fly built-in apprehension Single Strut Landing Gears scale models best friend landing gear will absorb shock damage struc ture devise such gear best follow full-scale practice using coil com pression springs absorb both direct rebound shock Preferred material strut body thin-wall chrome molybdenum 4130 steel tube type used welded aircraft fuselage construction Scrap lengths needed usually obtainable friendly neighborhood airport fixed base operator desireable size 50 outside diameter wall thickness 035 Its retail price should about $150 per foot Other materials such brass lower grades steel can used strength does approach 4130 aircraft tubing lower leg moves vertically within strut body formed 156 music wire built up brass tube proper scale diameter brass turning made rod covers wire bend also serves mount lower scissors yoke Scissors filed solid aluminum bar preferably 2024 alloy ease machining hardness four scissors parts identical Springs wound music wire Winding forces greater can managed hand springs wound mandrel chucked lathe using back gears obtain slowest possible winding speed wind springs hand mandrel would need driven 6 8 long crank lever mandrel supported substantial bearings clamped vise mandrel should slightly smaller desired inside diameter spring because will some opening coils after winding wire-size hole drilled through mandrel secures wire starting coiling winding manually person turns crank second uses visegrip plier apply maximum tension wire Coils laid spacing will result proper free length spring desired number turns has reached Spacing between adjacent coils important winding spring length fit strut body Music wire hobby shop variety discouraged first attempts correct Most made trial error method real trick get two sufficiently similar length number turns both landing gear legs Springs 98 Model Aviation FINISH MODEL AS ANY ONE OF THREE DIFFERENT AIRCRAFT #121 GILMORE RED LION MISS PATTERSON MISS NEW ORLEANS PRICE $595 FROM YOUR DEALER OR ORDER DIRECT ADDING 15% POSTAGE AND HANDLING SRND5OFORCATALOG DEPt MA PAWNEE STREET MARCOS CALIFORNIA 9
Edition: Model Aviation - 1979/05
Page Numbers: 18, 19, 20, 21, 22, 23, 95, 98
ru never forget silver biplane sitting cabin door swung open boosted up o wing sions first Airport day plush interior runn dow roaring su erating us ex Michigan landscane airplane cabin finally got arou Waco classic started out coi huge 50-inch span r old Megow free-flight scale couldnt resist radio version Ili could perform low maybe bring t ment first ai free-flight idea ma affected design models all-up weign guarantee sport-flight ailerons can mrs big Wai Brent views tell yo t rigid strut rathel arising construction scale biplane area would weigh n Largely because iie about 8 ounce out eis have e s 15-pow fternoon Dons C ants stringer bipe modelers ht easy takeoffs and] uch-and-goes its io fragile hangar qu e years use ano sorts conditions attc erviceability repa en required far scrapes ioy Don iv rtflight dTime n ag.I mode. y m ract a inter atUre& irious iiucnes fro flS tstrucfl ough Its Strame ture ciwoodev itwood usuaj DOthe -cccansi ci 3duccmCabir advertis ph Lnding sr Ji means land to asc er Ja n series ipissmoo1 asnt it flies abot u,dIieIed realism bL m 5C - sint Sc 1/A F- F-14 GLIED J ENGINE N 3/16SQ COWL Ci I/8PLYVAJOD COWLTO F-i FORMER WITH 3 UNLT INS 20 Model Aviation NO OCR TEXT SFRS 40 SCREWS 2 SA GUSSETS FRAME MO*IT ARS M6 LA K L SQSPRUC LIJE F-IO 3/I6BALSA 1 Fi I/8 PLYWOOD T1 FRONT FRAME 3/32u8A1SA FILLERS CONTAI 3/32 WIRE BETWEEN F-6 FO*AERS IGATrACH EPOXY D4 NO OCR TEXT FOR THE SOARING BUFF supertape applies stickey brushing masking Its stronger typical R/C building material lt weighs 1 gin per sq ft building area lts 0005 thick Its ready instant apply Sits quickest efficient method applying balsa greenskin other skin foam wing cores Plus dozens other great uses Try 3/8roll $479 1roli $795 2roIl $1595 ALL ROLLS ARE 2160 LONG SUPERWINGS superwings Portfolio Everything need know create own super-performance sailplane completely illustrated difinative work 20 pages packed technical data charts diagrams step-bystep instructions million $ worth information interested obtaining winning edge sailplane performance Hi Johnson Only $150 11015 Glenoaks Blvd Pacoima CA 91331 Tel 12131 8994312J Openers/Winter continued page 4 Over Don Srulls drawing table big homemade projector Finally opted two best looking draw ings scaled side view size multiplied 5 would give us model profile Another drawing scaled multiplication 8this planform Srull Bowers old wizard Ned Kragness bull session us during projected color slides Antique Aircraft Museum Ned explained tube nut bolt weve whipping out sheets drawings cross sections started over three times What now trying to freeze reason able level scalethis Sport Scale modeland crate has flown crank numerous minute cor rections final drawing Everyone has advice ought scale exhaust etcyou know Ned wants us build up Warren Truss ribs little ply gussets eyes roll said would cov ered painted would know what inside absolutely horrified Come fel lows wanted nice crate fly no competition just long does exhibit visual errors Now know what scale guys go through documentation begins insidiously builds builds like anvil-head thunderstorm Research becomes game itself fascinating enjoyable tend forget model Research unveiled hobby itself within could enjoy life time hobby uncontrolled documenta tion single design single airplane What license numbers ship building Which varia tion really copying find stringers no knew about nobody shows drawing Longerons shown curved drawing engineer types tell us thats no-nothat steel tube never bowed because its compression strength would shot darn wheeis 7 inches have make supposed fun project So well put Williams biggest6 inches maybe replace later big gest Williams cylinders e Gnome rotary make 7cylinder Warner out Now Fox 78 extension shaft mount ed 8 oclock put its head between dummy cylindersbut head doesnt show anyway have epoxy allergy Murder Now what So some guys tell us fool long enough stuff allergy part game fumes Being editor have big advantage three weeks research would take six months year otherwise Now hung up wing tipsnothing accur ate front view everything dis agreement Sooner later well back track make detailed drawings tail wheel assembly etcwe hope Time becomes meaningless Whereas building always frantic rush get air now feel enjoyment building big deal really dont care youll get done Enjoy step drawings look like road map rural Saudi Arabiavast open Spaces Will live long enough see thing fly cares get field got station wagon cares shop 9 x 12 three six-foot airplanes hang plus bench plus drawing table plus couch usually cat Aristocrat can assembled indoors Now dig guys built Tower Babel Pyramids Eiffel Tower Maybe should have stuck rubberscale guys Join us next Saturday after noon episode 15 Radio Technique/Myers continued page 17 dealing subject called EMI Electro-Magnetic Interference According experts getting rid EMI art science Whatever works right thing other hand flying buddy Nick Ziroli has building flying types models years ranging hA 200-pound RPVs Nick says has never found need chokes set working cor rectly before installed So having trouble likely caused wear tear will yield solutions proposed above Owners Kraft radios can purchase special harness No 200-193 direct factory containing chokes proper size use 22 H highcurrent chokes must specify system harness used cause Kraft has used several types connectors over years several patterns connections might make leads up other brands ask nicely dont know sure worst can happen say no February 1979 issue QST magazine has feature story device called Incon need choke filter Incon looks like good pos sible solution Youll have make own want because isnt production yet above bits information given BOB ABERLE W2QPP Keep letters coming folks Id par ticularly like hear some folks have solved problems George Myers 70 Froehlich Farm Rd Hicksville NY 11801 Waco/Sru II continued page 23 appropriate ribs clothes pins work well slip N struts place Move clips around until nice fit obtained spot glue clips small dab epoxy epoxy sets remove struts secure clips plenty epoxy a rib scabs cowl shown plans simple light strong First build balsa drum like frame Sand outside surface smooth perfect circle Next cut heavy May1979 95 SCALE CLASICS Plans & Construction Manual CuRTiSS HAWK P8E STINSON RELIANT SR8 /eScaleg4eSpan 22W WScaIe 126 Span 25e0 2Scale 83 Span e12 2Scale 84 Span e15 1W Scale 47VeSpan lO L 1WScle 83 Spanl2O CURTISS GOSHAWK Filce 2 Scale 83 Spar 81500 CURTiSS OuLFHAWK lA . 2Scale 63 Span 81800 / Scale 84W Span 53O50 Please Add SISO Fe Ode FosteSe a,d I-ladflfla. OteldeUS Add SSOOMake PaytneOta tO Richard G Barron1213 Hoily Spring Ln Grand Biano MichIgan 48439 Sed 510010 COetelete lflftetloC paper pattern cowl skin fits properly cut skin piece 1/32 plywood Finally clamp epoxy skin place may help moisten outside skin water help conform cowl curvature After sanding fitting cowl fuselage cut holes cowl engines needle valve exhaust extension cooling air exit bottom can also cut hole cowl glow plug connector instead install jack cowl perma nently wired engine glow plug Covering Finishing model covered silk fuselage medium weight Silkspan wings tail surfaces Plastic shrink film could used wings horizontal tail surfaces weight penalty same time increase resistance punctures Before final painting add windshield window framing cut heavy paper finished airplane 3 4 coats butyrate low-shrink dope followed two coats butyrate sanding sealer After light sanding sprayed two coats color butyrate Trim stripes registration numbers masked off sprayed after door outlines various panels outlined drawing pen ink inked areas sprayed coat clear butyrate seal against fuel oil Flying Make sure model balances within position indicated plans no warps have crept flying surfaces model weighs less 2 pounds hardly thing else say first test flights should piece cake small amount right rudder may needed beginning takeoff roll Hold down runway bit down elevator necessary build up reasonable amount speed before lift off first few flights very small amount up elevator will get Waco airborne smooth straight shallow climb-out Later will able pull off after very short ground roll still have solid control 94 prop mild fuel model performs very well off grass hardsurfaced runways no quirks kind ground air 2/3 throttle its flight characteristics very smooth scale-like repeat once again believe light wing loading principal reason docile performance After several trim flights should doing spot landings touch-and-goes best Welcome Waco club happy landing RC Scale/Wischers continued page 25 increase climb angle used borrow altitude speed clear obstacle returning normal climb soon pos sible instant touch-down three-point landing tail wheel plane also exceeding attack angle flat glide During aerobatics often use high angles attack intentional maneuvers done awareness results What trying avoid condition up elevator held inadvertently unnoticed easing back stick concentrating takeoff landing approach best weapon against problem control reversal de-sensitize elevator control reducing travel approximately 15 degrees side center An expensive solution would dual-rate elevator con trol transmitter travel could limited takeoff landing elevator stick springs could tightened transmitter conscious effort needed obtain greater travel solution dislike because affinity aero batics Finally holding angle bank during turns near ground less 20 degrees will help avert trouble Lets disappoint come watch thousand-hour scale models crash flier confesses no fear accidents cannot fly planes qualification fly built-in apprehension Single Strut Landing Gears scale models best friend landing gear will absorb shock damage struc ture devise such gear best follow full-scale practice using coil com pression springs absorb both direct rebound shock Preferred material strut body thin-wall chrome molybdenum 4130 steel tube type used welded aircraft fuselage construction Scrap lengths needed usually obtainable friendly neighborhood airport fixed base operator desireable size 50 outside diameter wall thickness 035 Its retail price should about $150 per foot Other materials such brass lower grades steel can used strength does approach 4130 aircraft tubing lower leg moves vertically within strut body formed 156 music wire built up brass tube proper scale diameter brass turning made rod covers wire bend also serves mount lower scissors yoke Scissors filed solid aluminum bar preferably 2024 alloy ease machining hardness four scissors parts identical Springs wound music wire Winding forces greater can managed hand springs wound mandrel chucked lathe using back gears obtain slowest possible winding speed wind springs hand mandrel would need driven 6 8 long crank lever mandrel supported substantial bearings clamped vise mandrel should slightly smaller desired inside diameter spring because will some opening coils after winding wire-size hole drilled through mandrel secures wire starting coiling winding manually person turns crank second uses visegrip plier apply maximum tension wire Coils laid spacing will result proper free length spring desired number turns has reached Spacing between adjacent coils important winding spring length fit strut body Music wire hobby shop variety discouraged first attempts correct Most made trial error method real trick get two sufficiently similar length number turns both landing gear legs Springs 98 Model Aviation FINISH MODEL AS ANY ONE OF THREE DIFFERENT AIRCRAFT #121 GILMORE RED LION MISS PATTERSON MISS NEW ORLEANS PRICE $595 FROM YOUR DEALER OR ORDER DIRECT ADDING 15% POSTAGE AND HANDLING SRND5OFORCATALOG DEPt MA PAWNEE STREET MARCOS CALIFORNIA 9
Edition: Model Aviation - 1979/05
Page Numbers: 18, 19, 20, 21, 22, 23, 95, 98
ru never forget silver biplane sitting cabin door swung open boosted up o wing sions first Airport day plush interior runn dow roaring su erating us ex Michigan landscane airplane cabin finally got arou Waco classic started out coi huge 50-inch span r old Megow free-flight scale couldnt resist radio version Ili could perform low maybe bring t ment first ai free-flight idea ma affected design models all-up weign guarantee sport-flight ailerons can mrs big Wai Brent views tell yo t rigid strut rathel arising construction scale biplane area would weigh n Largely because iie about 8 ounce out eis have e s 15-pow fternoon Dons C ants stringer bipe modelers ht easy takeoffs and] uch-and-goes its io fragile hangar qu e years use ano sorts conditions attc erviceability repa en required far scrapes ioy Don iv rtflight dTime n ag.I mode. y m ract a inter atUre& irious iiucnes fro flS tstrucfl ough Its Strame ture ciwoodev itwood usuaj DOthe -cccansi ci 3duccmCabir advertis ph Lnding sr Ji means land to asc er Ja n series ipissmoo1 asnt it flies abot u,dIieIed realism bL m 5C - sint Sc 1/A F- F-14 GLIED J ENGINE N 3/16SQ COWL Ci I/8PLYVAJOD COWLTO F-i FORMER WITH 3 UNLT INS 20 Model Aviation NO OCR TEXT SFRS 40 SCREWS 2 SA GUSSETS FRAME MO*IT ARS M6 LA K L SQSPRUC LIJE F-IO 3/I6BALSA 1 Fi I/8 PLYWOOD T1 FRONT FRAME 3/32u8A1SA FILLERS CONTAI 3/32 WIRE BETWEEN F-6 FO*AERS IGATrACH EPOXY D4 NO OCR TEXT FOR THE SOARING BUFF supertape applies stickey brushing masking Its stronger typical R/C building material lt weighs 1 gin per sq ft building area lts 0005 thick Its ready instant apply Sits quickest efficient method applying balsa greenskin other skin foam wing cores Plus dozens other great uses Try 3/8roll $479 1roli $795 2roIl $1595 ALL ROLLS ARE 2160 LONG SUPERWINGS superwings Portfolio Everything need know create own super-performance sailplane completely illustrated difinative work 20 pages packed technical data charts diagrams step-bystep instructions million $ worth information interested obtaining winning edge sailplane performance Hi Johnson Only $150 11015 Glenoaks Blvd Pacoima CA 91331 Tel 12131 8994312J Openers/Winter continued page 4 Over Don Srulls drawing table big homemade projector Finally opted two best looking draw ings scaled side view size multiplied 5 would give us model profile Another drawing scaled multiplication 8this planform Srull Bowers old wizard Ned Kragness bull session us during projected color slides Antique Aircraft Museum Ned explained tube nut bolt weve whipping out sheets drawings cross sections started over three times What now trying to freeze reason able level scalethis Sport Scale modeland crate has flown crank numerous minute cor rections final drawing Everyone has advice ought scale exhaust etcyou know Ned wants us build up Warren Truss ribs little ply gussets eyes roll said would cov ered painted would know what inside absolutely horrified Come fel lows wanted nice crate fly no competition just long does exhibit visual errors Now know what scale guys go through documentation begins insidiously builds builds like anvil-head thunderstorm Research becomes game itself fascinating enjoyable tend forget model Research unveiled hobby itself within could enjoy life time hobby uncontrolled documenta tion single design single airplane What license numbers ship building Which varia tion really copying find stringers no knew about nobody shows drawing Longerons shown curved drawing engineer types tell us thats no-nothat steel tube never bowed because its compression strength would shot darn wheeis 7 inches have make supposed fun project So well put Williams biggest6 inches maybe replace later big gest Williams cylinders e Gnome rotary make 7cylinder Warner out Now Fox 78 extension shaft mount ed 8 oclock put its head between dummy cylindersbut head doesnt show anyway have epoxy allergy Murder Now what So some guys tell us fool long enough stuff allergy part game fumes Being editor have big advantage three weeks research would take six months year otherwise Now hung up wing tipsnothing accur ate front view everything dis agreement Sooner later well back track make detailed drawings tail wheel assembly etcwe hope Time becomes meaningless Whereas building always frantic rush get air now feel enjoyment building big deal really dont care youll get done Enjoy step drawings look like road map rural Saudi Arabiavast open Spaces Will live long enough see thing fly cares get field got station wagon cares shop 9 x 12 three six-foot airplanes hang plus bench plus drawing table plus couch usually cat Aristocrat can assembled indoors Now dig guys built Tower Babel Pyramids Eiffel Tower Maybe should have stuck rubberscale guys Join us next Saturday after noon episode 15 Radio Technique/Myers continued page 17 dealing subject called EMI Electro-Magnetic Interference According experts getting rid EMI art science Whatever works right thing other hand flying buddy Nick Ziroli has building flying types models years ranging hA 200-pound RPVs Nick says has never found need chokes set working cor rectly before installed So having trouble likely caused wear tear will yield solutions proposed above Owners Kraft radios can purchase special harness No 200-193 direct factory containing chokes proper size use 22 H highcurrent chokes must specify system harness used cause Kraft has used several types connectors over years several patterns connections might make leads up other brands ask nicely dont know sure worst can happen say no February 1979 issue QST magazine has feature story device called Incon need choke filter Incon looks like good pos sible solution Youll have make own want because isnt production yet above bits information given BOB ABERLE W2QPP Keep letters coming folks Id par ticularly like hear some folks have solved problems George Myers 70 Froehlich Farm Rd Hicksville NY 11801 Waco/Sru II continued page 23 appropriate ribs clothes pins work well slip N struts place Move clips around until nice fit obtained spot glue clips small dab epoxy epoxy sets remove struts secure clips plenty epoxy a rib scabs cowl shown plans simple light strong First build balsa drum like frame Sand outside surface smooth perfect circle Next cut heavy May1979 95 SCALE CLASICS Plans & Construction Manual CuRTiSS HAWK P8E STINSON RELIANT SR8 /eScaleg4eSpan 22W WScaIe 126 Span 25e0 2Scale 83 Span e12 2Scale 84 Span e15 1W Scale 47VeSpan lO L 1WScle 83 Spanl2O CURTISS GOSHAWK Filce 2 Scale 83 Spar 81500 CURTiSS OuLFHAWK lA . 2Scale 63 Span 81800 / Scale 84W Span 53O50 Please Add SISO Fe Ode FosteSe a,d I-ladflfla. OteldeUS Add SSOOMake PaytneOta tO Richard G Barron1213 Hoily Spring Ln Grand Biano MichIgan 48439 Sed 510010 COetelete lflftetloC paper pattern cowl skin fits properly cut skin piece 1/32 plywood Finally clamp epoxy skin place may help moisten outside skin water help conform cowl curvature After sanding fitting cowl fuselage cut holes cowl engines needle valve exhaust extension cooling air exit bottom can also cut hole cowl glow plug connector instead install jack cowl perma nently wired engine glow plug Covering Finishing model covered silk fuselage medium weight Silkspan wings tail surfaces Plastic shrink film could used wings horizontal tail surfaces weight penalty same time increase resistance punctures Before final painting add windshield window framing cut heavy paper finished airplane 3 4 coats butyrate low-shrink dope followed two coats butyrate sanding sealer After light sanding sprayed two coats color butyrate Trim stripes registration numbers masked off sprayed after door outlines various panels outlined drawing pen ink inked areas sprayed coat clear butyrate seal against fuel oil Flying Make sure model balances within position indicated plans no warps have crept flying surfaces model weighs less 2 pounds hardly thing else say first test flights should piece cake small amount right rudder may needed beginning takeoff roll Hold down runway bit down elevator necessary build up reasonable amount speed before lift off first few flights very small amount up elevator will get Waco airborne smooth straight shallow climb-out Later will able pull off after very short ground roll still have solid control 94 prop mild fuel model performs very well off grass hardsurfaced runways no quirks kind ground air 2/3 throttle its flight characteristics very smooth scale-like repeat once again believe light wing loading principal reason docile performance After several trim flights should doing spot landings touch-and-goes best Welcome Waco club happy landing RC Scale/Wischers continued page 25 increase climb angle used borrow altitude speed clear obstacle returning normal climb soon pos sible instant touch-down three-point landing tail wheel plane also exceeding attack angle flat glide During aerobatics often use high angles attack intentional maneuvers done awareness results What trying avoid condition up elevator held inadvertently unnoticed easing back stick concentrating takeoff landing approach best weapon against problem control reversal de-sensitize elevator control reducing travel approximately 15 degrees side center An expensive solution would dual-rate elevator con trol transmitter travel could limited takeoff landing elevator stick springs could tightened transmitter conscious effort needed obtain greater travel solution dislike because affinity aero batics Finally holding angle bank during turns near ground less 20 degrees will help avert trouble Lets disappoint come watch thousand-hour scale models crash flier confesses no fear accidents cannot fly planes qualification fly built-in apprehension Single Strut Landing Gears scale models best friend landing gear will absorb shock damage struc ture devise such gear best follow full-scale practice using coil com pression springs absorb both direct rebound shock Preferred material strut body thin-wall chrome molybdenum 4130 steel tube type used welded aircraft fuselage construction Scrap lengths needed usually obtainable friendly neighborhood airport fixed base operator desireable size 50 outside diameter wall thickness 035 Its retail price should about $150 per foot Other materials such brass lower grades steel can used strength does approach 4130 aircraft tubing lower leg moves vertically within strut body formed 156 music wire built up brass tube proper scale diameter brass turning made rod covers wire bend also serves mount lower scissors yoke Scissors filed solid aluminum bar preferably 2024 alloy ease machining hardness four scissors parts identical Springs wound music wire Winding forces greater can managed hand springs wound mandrel chucked lathe using back gears obtain slowest possible winding speed wind springs hand mandrel would need driven 6 8 long crank lever mandrel supported substantial bearings clamped vise mandrel should slightly smaller desired inside diameter spring because will some opening coils after winding wire-size hole drilled through mandrel secures wire starting coiling winding manually person turns crank second uses visegrip plier apply maximum tension wire Coils laid spacing will result proper free length spring desired number turns has reached Spacing between adjacent coils important winding spring length fit strut body Music wire hobby shop variety discouraged first attempts correct Most made trial error method real trick get two sufficiently similar length number turns both landing gear legs Springs 98 Model Aviation FINISH MODEL AS ANY ONE OF THREE DIFFERENT AIRCRAFT #121 GILMORE RED LION MISS PATTERSON MISS NEW ORLEANS PRICE $595 FROM YOUR DEALER OR ORDER DIRECT ADDING 15% POSTAGE AND HANDLING SRND5OFORCATALOG DEPt MA PAWNEE STREET MARCOS CALIFORNIA 9
Edition: Model Aviation - 1979/05
Page Numbers: 18, 19, 20, 21, 22, 23, 95, 98
ru never forget silver biplane sitting cabin door swung open boosted up o wing sions first Airport day plush interior runn dow roaring su erating us ex Michigan landscane airplane cabin finally got arou Waco classic started out coi huge 50-inch span r old Megow free-flight scale couldnt resist radio version Ili could perform low maybe bring t ment first ai free-flight idea ma affected design models all-up weign guarantee sport-flight ailerons can mrs big Wai Brent views tell yo t rigid strut rathel arising construction scale biplane area would weigh n Largely because iie about 8 ounce out eis have e s 15-pow fternoon Dons C ants stringer bipe modelers ht easy takeoffs and] uch-and-goes its io fragile hangar qu e years use ano sorts conditions attc erviceability repa en required far scrapes ioy Don iv rtflight dTime n ag.I mode. y m ract a inter atUre& irious iiucnes fro flS tstrucfl ough Its Strame ture ciwoodev itwood usuaj DOthe -cccansi ci 3duccmCabir advertis ph Lnding sr Ji means land to asc er Ja n series ipissmoo1 asnt it flies abot u,dIieIed realism bL m 5C - sint Sc 1/A F- F-14 GLIED J ENGINE N 3/16SQ COWL Ci I/8PLYVAJOD COWLTO F-i FORMER WITH 3 UNLT INS 20 Model Aviation NO OCR TEXT SFRS 40 SCREWS 2 SA GUSSETS FRAME MO*IT ARS M6 LA K L SQSPRUC LIJE F-IO 3/I6BALSA 1 Fi I/8 PLYWOOD T1 FRONT FRAME 3/32u8A1SA FILLERS CONTAI 3/32 WIRE BETWEEN F-6 FO*AERS IGATrACH EPOXY D4 NO OCR TEXT FOR THE SOARING BUFF supertape applies stickey brushing masking Its stronger typical R/C building material lt weighs 1 gin per sq ft building area lts 0005 thick Its ready instant apply Sits quickest efficient method applying balsa greenskin other skin foam wing cores Plus dozens other great uses Try 3/8roll $479 1roli $795 2roIl $1595 ALL ROLLS ARE 2160 LONG SUPERWINGS superwings Portfolio Everything need know create own super-performance sailplane completely illustrated difinative work 20 pages packed technical data charts diagrams step-bystep instructions million $ worth information interested obtaining winning edge sailplane performance Hi Johnson Only $150 11015 Glenoaks Blvd Pacoima CA 91331 Tel 12131 8994312J Openers/Winter continued page 4 Over Don Srulls drawing table big homemade projector Finally opted two best looking draw ings scaled side view size multiplied 5 would give us model profile Another drawing scaled multiplication 8this planform Srull Bowers old wizard Ned Kragness bull session us during projected color slides Antique Aircraft Museum Ned explained tube nut bolt weve whipping out sheets drawings cross sections started over three times What now trying to freeze reason able level scalethis Sport Scale modeland crate has flown crank numerous minute cor rections final drawing Everyone has advice ought scale exhaust etcyou know Ned wants us build up Warren Truss ribs little ply gussets eyes roll said would cov ered painted would know what inside absolutely horrified Come fel lows wanted nice crate fly no competition just long does exhibit visual errors Now know what scale guys go through documentation begins insidiously builds builds like anvil-head thunderstorm Research becomes game itself fascinating enjoyable tend forget model Research unveiled hobby itself within could enjoy life time hobby uncontrolled documenta tion single design single airplane What license numbers ship building Which varia tion really copying find stringers no knew about nobody shows drawing Longerons shown curved drawing engineer types tell us thats no-nothat steel tube never bowed because its compression strength would shot darn wheeis 7 inches have make supposed fun project So well put Williams biggest6 inches maybe replace later big gest Williams cylinders e Gnome rotary make 7cylinder Warner out Now Fox 78 extension shaft mount ed 8 oclock put its head between dummy cylindersbut head doesnt show anyway have epoxy allergy Murder Now what So some guys tell us fool long enough stuff allergy part game fumes Being editor have big advantage three weeks research would take six months year otherwise Now hung up wing tipsnothing accur ate front view everything dis agreement Sooner later well back track make detailed drawings tail wheel assembly etcwe hope Time becomes meaningless Whereas building always frantic rush get air now feel enjoyment building big deal really dont care youll get done Enjoy step drawings look like road map rural Saudi Arabiavast open Spaces Will live long enough see thing fly cares get field got station wagon cares shop 9 x 12 three six-foot airplanes hang plus bench plus drawing table plus couch usually cat Aristocrat can assembled indoors Now dig guys built Tower Babel Pyramids Eiffel Tower Maybe should have stuck rubberscale guys Join us next Saturday after noon episode 15 Radio Technique/Myers continued page 17 dealing subject called EMI Electro-Magnetic Interference According experts getting rid EMI art science Whatever works right thing other hand flying buddy Nick Ziroli has building flying types models years ranging hA 200-pound RPVs Nick says has never found need chokes set working cor rectly before installed So having trouble likely caused wear tear will yield solutions proposed above Owners Kraft radios can purchase special harness No 200-193 direct factory containing chokes proper size use 22 H highcurrent chokes must specify system harness used cause Kraft has used several types connectors over years several patterns connections might make leads up other brands ask nicely dont know sure worst can happen say no February 1979 issue QST magazine has feature story device called Incon need choke filter Incon looks like good pos sible solution Youll have make own want because isnt production yet above bits information given BOB ABERLE W2QPP Keep letters coming folks Id par ticularly like hear some folks have solved problems George Myers 70 Froehlich Farm Rd Hicksville NY 11801 Waco/Sru II continued page 23 appropriate ribs clothes pins work well slip N struts place Move clips around until nice fit obtained spot glue clips small dab epoxy epoxy sets remove struts secure clips plenty epoxy a rib scabs cowl shown plans simple light strong First build balsa drum like frame Sand outside surface smooth perfect circle Next cut heavy May1979 95 SCALE CLASICS Plans & Construction Manual CuRTiSS HAWK P8E STINSON RELIANT SR8 /eScaleg4eSpan 22W WScaIe 126 Span 25e0 2Scale 83 Span e12 2Scale 84 Span e15 1W Scale 47VeSpan lO L 1WScle 83 Spanl2O CURTISS GOSHAWK Filce 2 Scale 83 Spar 81500 CURTiSS OuLFHAWK lA . 2Scale 63 Span 81800 / Scale 84W Span 53O50 Please Add SISO Fe Ode FosteSe a,d I-ladflfla. OteldeUS Add SSOOMake PaytneOta tO Richard G Barron1213 Hoily Spring Ln Grand Biano MichIgan 48439 Sed 510010 COetelete lflftetloC paper pattern cowl skin fits properly cut skin piece 1/32 plywood Finally clamp epoxy skin place may help moisten outside skin water help conform cowl curvature After sanding fitting cowl fuselage cut holes cowl engines needle valve exhaust extension cooling air exit bottom can also cut hole cowl glow plug connector instead install jack cowl perma nently wired engine glow plug Covering Finishing model covered silk fuselage medium weight Silkspan wings tail surfaces Plastic shrink film could used wings horizontal tail surfaces weight penalty same time increase resistance punctures Before final painting add windshield window framing cut heavy paper finished airplane 3 4 coats butyrate low-shrink dope followed two coats butyrate sanding sealer After light sanding sprayed two coats color butyrate Trim stripes registration numbers masked off sprayed after door outlines various panels outlined drawing pen ink inked areas sprayed coat clear butyrate seal against fuel oil Flying Make sure model balances within position indicated plans no warps have crept flying surfaces model weighs less 2 pounds hardly thing else say first test flights should piece cake small amount right rudder may needed beginning takeoff roll Hold down runway bit down elevator necessary build up reasonable amount speed before lift off first few flights very small amount up elevator will get Waco airborne smooth straight shallow climb-out Later will able pull off after very short ground roll still have solid control 94 prop mild fuel model performs very well off grass hardsurfaced runways no quirks kind ground air 2/3 throttle its flight characteristics very smooth scale-like repeat once again believe light wing loading principal reason docile performance After several trim flights should doing spot landings touch-and-goes best Welcome Waco club happy landing RC Scale/Wischers continued page 25 increase climb angle used borrow altitude speed clear obstacle returning normal climb soon pos sible instant touch-down three-point landing tail wheel plane also exceeding attack angle flat glide During aerobatics often use high angles attack intentional maneuvers done awareness results What trying avoid condition up elevator held inadvertently unnoticed easing back stick concentrating takeoff landing approach best weapon against problem control reversal de-sensitize elevator control reducing travel approximately 15 degrees side center An expensive solution would dual-rate elevator con trol transmitter travel could limited takeoff landing elevator stick springs could tightened transmitter conscious effort needed obtain greater travel solution dislike because affinity aero batics Finally holding angle bank during turns near ground less 20 degrees will help avert trouble Lets disappoint come watch thousand-hour scale models crash flier confesses no fear accidents cannot fly planes qualification fly built-in apprehension Single Strut Landing Gears scale models best friend landing gear will absorb shock damage struc ture devise such gear best follow full-scale practice using coil com pression springs absorb both direct rebound shock Preferred material strut body thin-wall chrome molybdenum 4130 steel tube type used welded aircraft fuselage construction Scrap lengths needed usually obtainable friendly neighborhood airport fixed base operator desireable size 50 outside diameter wall thickness 035 Its retail price should about $150 per foot Other materials such brass lower grades steel can used strength does approach 4130 aircraft tubing lower leg moves vertically within strut body formed 156 music wire built up brass tube proper scale diameter brass turning made rod covers wire bend also serves mount lower scissors yoke Scissors filed solid aluminum bar preferably 2024 alloy ease machining hardness four scissors parts identical Springs wound music wire Winding forces greater can managed hand springs wound mandrel chucked lathe using back gears obtain slowest possible winding speed wind springs hand mandrel would need driven 6 8 long crank lever mandrel supported substantial bearings clamped vise mandrel should slightly smaller desired inside diameter spring because will some opening coils after winding wire-size hole drilled through mandrel secures wire starting coiling winding manually person turns crank second uses visegrip plier apply maximum tension wire Coils laid spacing will result proper free length spring desired number turns has reached Spacing between adjacent coils important winding spring length fit strut body Music wire hobby shop variety discouraged first attempts correct Most made trial error method real trick get two sufficiently similar length number turns both landing gear legs Springs 98 Model Aviation FINISH MODEL AS ANY ONE OF THREE DIFFERENT AIRCRAFT #121 GILMORE RED LION MISS PATTERSON MISS NEW ORLEANS PRICE $595 FROM YOUR DEALER OR ORDER DIRECT ADDING 15% POSTAGE AND HANDLING SRND5OFORCATALOG DEPt MA PAWNEE STREET MARCOS CALIFORNIA 9
Edition: Model Aviation - 1979/05
Page Numbers: 18, 19, 20, 21, 22, 23, 95, 98
ru never forget silver biplane sitting cabin door swung open boosted up o wing sions first Airport day plush interior runn dow roaring su erating us ex Michigan landscane airplane cabin finally got arou Waco classic started out coi huge 50-inch span r old Megow free-flight scale couldnt resist radio version Ili could perform low maybe bring t ment first ai free-flight idea ma affected design models all-up weign guarantee sport-flight ailerons can mrs big Wai Brent views tell yo t rigid strut rathel arising construction scale biplane area would weigh n Largely because iie about 8 ounce out eis have e s 15-pow fternoon Dons C ants stringer bipe modelers ht easy takeoffs and] uch-and-goes its io fragile hangar qu e years use ano sorts conditions attc erviceability repa en required far scrapes ioy Don iv rtflight dTime n ag.I mode. y m ract a inter atUre& irious iiucnes fro flS tstrucfl ough Its Strame ture ciwoodev itwood usuaj DOthe -cccansi ci 3duccmCabir advertis ph Lnding sr Ji means land to asc er Ja n series ipissmoo1 asnt it flies abot u,dIieIed realism bL m 5C - sint Sc 1/A F- F-14 GLIED J ENGINE N 3/16SQ COWL Ci I/8PLYVAJOD COWLTO F-i FORMER WITH 3 UNLT INS 20 Model Aviation NO OCR TEXT SFRS 40 SCREWS 2 SA GUSSETS FRAME MO*IT ARS M6 LA K L SQSPRUC LIJE F-IO 3/I6BALSA 1 Fi I/8 PLYWOOD T1 FRONT FRAME 3/32u8A1SA FILLERS CONTAI 3/32 WIRE BETWEEN F-6 FO*AERS IGATrACH EPOXY D4 NO OCR TEXT FOR THE SOARING BUFF supertape applies stickey brushing masking Its stronger typical R/C building material lt weighs 1 gin per sq ft building area lts 0005 thick Its ready instant apply Sits quickest efficient method applying balsa greenskin other skin foam wing cores Plus dozens other great uses Try 3/8roll $479 1roli $795 2roIl $1595 ALL ROLLS ARE 2160 LONG SUPERWINGS superwings Portfolio Everything need know create own super-performance sailplane completely illustrated difinative work 20 pages packed technical data charts diagrams step-bystep instructions million $ worth information interested obtaining winning edge sailplane performance Hi Johnson Only $150 11015 Glenoaks Blvd Pacoima CA 91331 Tel 12131 8994312J Openers/Winter continued page 4 Over Don Srulls drawing table big homemade projector Finally opted two best looking draw ings scaled side view size multiplied 5 would give us model profile Another drawing scaled multiplication 8this planform Srull Bowers old wizard Ned Kragness bull session us during projected color slides Antique Aircraft Museum Ned explained tube nut bolt weve whipping out sheets drawings cross sections started over three times What now trying to freeze reason able level scalethis Sport Scale modeland crate has flown crank numerous minute cor rections final drawing Everyone has advice ought scale exhaust etcyou know Ned wants us build up Warren Truss ribs little ply gussets eyes roll said would cov ered painted would know what inside absolutely horrified Come fel lows wanted nice crate fly no competition just long does exhibit visual errors Now know what scale guys go through documentation begins insidiously builds builds like anvil-head thunderstorm Research becomes game itself fascinating enjoyable tend forget model Research unveiled hobby itself within could enjoy life time hobby uncontrolled documenta tion single design single airplane What license numbers ship building Which varia tion really copying find stringers no knew about nobody shows drawing Longerons shown curved drawing engineer types tell us thats no-nothat steel tube never bowed because its compression strength would shot darn wheeis 7 inches have make supposed fun project So well put Williams biggest6 inches maybe replace later big gest Williams cylinders e Gnome rotary make 7cylinder Warner out Now Fox 78 extension shaft mount ed 8 oclock put its head between dummy cylindersbut head doesnt show anyway have epoxy allergy Murder Now what So some guys tell us fool long enough stuff allergy part game fumes Being editor have big advantage three weeks research would take six months year otherwise Now hung up wing tipsnothing accur ate front view everything dis agreement Sooner later well back track make detailed drawings tail wheel assembly etcwe hope Time becomes meaningless Whereas building always frantic rush get air now feel enjoyment building big deal really dont care youll get done Enjoy step drawings look like road map rural Saudi Arabiavast open Spaces Will live long enough see thing fly cares get field got station wagon cares shop 9 x 12 three six-foot airplanes hang plus bench plus drawing table plus couch usually cat Aristocrat can assembled indoors Now dig guys built Tower Babel Pyramids Eiffel Tower Maybe should have stuck rubberscale guys Join us next Saturday after noon episode 15 Radio Technique/Myers continued page 17 dealing subject called EMI Electro-Magnetic Interference According experts getting rid EMI art science Whatever works right thing other hand flying buddy Nick Ziroli has building flying types models years ranging hA 200-pound RPVs Nick says has never found need chokes set working cor rectly before installed So having trouble likely caused wear tear will yield solutions proposed above Owners Kraft radios can purchase special harness No 200-193 direct factory containing chokes proper size use 22 H highcurrent chokes must specify system harness used cause Kraft has used several types connectors over years several patterns connections might make leads up other brands ask nicely dont know sure worst can happen say no February 1979 issue QST magazine has feature story device called Incon need choke filter Incon looks like good pos sible solution Youll have make own want because isnt production yet above bits information given BOB ABERLE W2QPP Keep letters coming folks Id par ticularly like hear some folks have solved problems George Myers 70 Froehlich Farm Rd Hicksville NY 11801 Waco/Sru II continued page 23 appropriate ribs clothes pins work well slip N struts place Move clips around until nice fit obtained spot glue clips small dab epoxy epoxy sets remove struts secure clips plenty epoxy a rib scabs cowl shown plans simple light strong First build balsa drum like frame Sand outside surface smooth perfect circle Next cut heavy May1979 95 SCALE CLASICS Plans & Construction Manual CuRTiSS HAWK P8E STINSON RELIANT SR8 /eScaleg4eSpan 22W WScaIe 126 Span 25e0 2Scale 83 Span e12 2Scale 84 Span e15 1W Scale 47VeSpan lO L 1WScle 83 Spanl2O CURTISS GOSHAWK Filce 2 Scale 83 Spar 81500 CURTiSS OuLFHAWK lA . 2Scale 63 Span 81800 / Scale 84W Span 53O50 Please Add SISO Fe Ode FosteSe a,d I-ladflfla. OteldeUS Add SSOOMake PaytneOta tO Richard G Barron1213 Hoily Spring Ln Grand Biano MichIgan 48439 Sed 510010 COetelete lflftetloC paper pattern cowl skin fits properly cut skin piece 1/32 plywood Finally clamp epoxy skin place may help moisten outside skin water help conform cowl curvature After sanding fitting cowl fuselage cut holes cowl engines needle valve exhaust extension cooling air exit bottom can also cut hole cowl glow plug connector instead install jack cowl perma nently wired engine glow plug Covering Finishing model covered silk fuselage medium weight Silkspan wings tail surfaces Plastic shrink film could used wings horizontal tail surfaces weight penalty same time increase resistance punctures Before final painting add windshield window framing cut heavy paper finished airplane 3 4 coats butyrate low-shrink dope followed two coats butyrate sanding sealer After light sanding sprayed two coats color butyrate Trim stripes registration numbers masked off sprayed after door outlines various panels outlined drawing pen ink inked areas sprayed coat clear butyrate seal against fuel oil Flying Make sure model balances within position indicated plans no warps have crept flying surfaces model weighs less 2 pounds hardly thing else say first test flights should piece cake small amount right rudder may needed beginning takeoff roll Hold down runway bit down elevator necessary build up reasonable amount speed before lift off first few flights very small amount up elevator will get Waco airborne smooth straight shallow climb-out Later will able pull off after very short ground roll still have solid control 94 prop mild fuel model performs very well off grass hardsurfaced runways no quirks kind ground air 2/3 throttle its flight characteristics very smooth scale-like repeat once again believe light wing loading principal reason docile performance After several trim flights should doing spot landings touch-and-goes best Welcome Waco club happy landing RC Scale/Wischers continued page 25 increase climb angle used borrow altitude speed clear obstacle returning normal climb soon pos sible instant touch-down three-point landing tail wheel plane also exceeding attack angle flat glide During aerobatics often use high angles attack intentional maneuvers done awareness results What trying avoid condition up elevator held inadvertently unnoticed easing back stick concentrating takeoff landing approach best weapon against problem control reversal de-sensitize elevator control reducing travel approximately 15 degrees side center An expensive solution would dual-rate elevator con trol transmitter travel could limited takeoff landing elevator stick springs could tightened transmitter conscious effort needed obtain greater travel solution dislike because affinity aero batics Finally holding angle bank during turns near ground less 20 degrees will help avert trouble Lets disappoint come watch thousand-hour scale models crash flier confesses no fear accidents cannot fly planes qualification fly built-in apprehension Single Strut Landing Gears scale models best friend landing gear will absorb shock damage struc ture devise such gear best follow full-scale practice using coil com pression springs absorb both direct rebound shock Preferred material strut body thin-wall chrome molybdenum 4130 steel tube type used welded aircraft fuselage construction Scrap lengths needed usually obtainable friendly neighborhood airport fixed base operator desireable size 50 outside diameter wall thickness 035 Its retail price should about $150 per foot Other materials such brass lower grades steel can used strength does approach 4130 aircraft tubing lower leg moves vertically within strut body formed 156 music wire built up brass tube proper scale diameter brass turning made rod covers wire bend also serves mount lower scissors yoke Scissors filed solid aluminum bar preferably 2024 alloy ease machining hardness four scissors parts identical Springs wound music wire Winding forces greater can managed hand springs wound mandrel chucked lathe using back gears obtain slowest possible winding speed wind springs hand mandrel would need driven 6 8 long crank lever mandrel supported substantial bearings clamped vise mandrel should slightly smaller desired inside diameter spring because will some opening coils after winding wire-size hole drilled through mandrel secures wire starting coiling winding manually person turns crank second uses visegrip plier apply maximum tension wire Coils laid spacing will result proper free length spring desired number turns has reached Spacing between adjacent coils important winding spring length fit strut body Music wire hobby shop variety discouraged first attempts correct Most made trial error method real trick get two sufficiently similar length number turns both landing gear legs Springs 98 Model Aviation FINISH MODEL AS ANY ONE OF THREE DIFFERENT AIRCRAFT #121 GILMORE RED LION MISS PATTERSON MISS NEW ORLEANS PRICE $595 FROM YOUR DEALER OR ORDER DIRECT ADDING 15% POSTAGE AND HANDLING SRND5OFORCATALOG DEPt MA PAWNEE STREET MARCOS CALIFORNIA 9
Edition: Model Aviation - 1979/05
Page Numbers: 18, 19, 20, 21, 22, 23, 95, 98
ru never forget silver biplane sitting cabin door swung open boosted up o wing sions first Airport day plush interior runn dow roaring su erating us ex Michigan landscane airplane cabin finally got arou Waco classic started out coi huge 50-inch span r old Megow free-flight scale couldnt resist radio version Ili could perform low maybe bring t ment first ai free-flight idea ma affected design models all-up weign guarantee sport-flight ailerons can mrs big Wai Brent views tell yo t rigid strut rathel arising construction scale biplane area would weigh n Largely because iie about 8 ounce out eis have e s 15-pow fternoon Dons C ants stringer bipe modelers ht easy takeoffs and] uch-and-goes its io fragile hangar qu e years use ano sorts conditions attc erviceability repa en required far scrapes ioy Don iv rtflight dTime n ag.I mode. y m ract a inter atUre& irious iiucnes fro flS tstrucfl ough Its Strame ture ciwoodev itwood usuaj DOthe -cccansi ci 3duccmCabir advertis ph Lnding sr Ji means land to asc er Ja n series ipissmoo1 asnt it flies abot u,dIieIed realism bL m 5C - sint Sc 1/A F- F-14 GLIED J ENGINE N 3/16SQ COWL Ci I/8PLYVAJOD COWLTO F-i FORMER WITH 3 UNLT INS 20 Model Aviation NO OCR TEXT SFRS 40 SCREWS 2 SA GUSSETS FRAME MO*IT ARS M6 LA K L SQSPRUC LIJE F-IO 3/I6BALSA 1 Fi I/8 PLYWOOD T1 FRONT FRAME 3/32u8A1SA FILLERS CONTAI 3/32 WIRE BETWEEN F-6 FO*AERS IGATrACH EPOXY D4 NO OCR TEXT FOR THE SOARING BUFF supertape applies stickey brushing masking Its stronger typical R/C building material lt weighs 1 gin per sq ft building area lts 0005 thick Its ready instant apply Sits quickest efficient method applying balsa greenskin other skin foam wing cores Plus dozens other great uses Try 3/8roll $479 1roli $795 2roIl $1595 ALL ROLLS ARE 2160 LONG SUPERWINGS superwings Portfolio Everything need know create own super-performance sailplane completely illustrated difinative work 20 pages packed technical data charts diagrams step-bystep instructions million $ worth information interested obtaining winning edge sailplane performance Hi Johnson Only $150 11015 Glenoaks Blvd Pacoima CA 91331 Tel 12131 8994312J Openers/Winter continued page 4 Over Don Srulls drawing table big homemade projector Finally opted two best looking draw ings scaled side view size multiplied 5 would give us model profile Another drawing scaled multiplication 8this planform Srull Bowers old wizard Ned Kragness bull session us during projected color slides Antique Aircraft Museum Ned explained tube nut bolt weve whipping out sheets drawings cross sections started over three times What now trying to freeze reason able level scalethis Sport Scale modeland crate has flown crank numerous minute cor rections final drawing Everyone has advice ought scale exhaust etcyou know Ned wants us build up Warren Truss ribs little ply gussets eyes roll said would cov ered painted would know what inside absolutely horrified Come fel lows wanted nice crate fly no competition just long does exhibit visual errors Now know what scale guys go through documentation begins insidiously builds builds like anvil-head thunderstorm Research becomes game itself fascinating enjoyable tend forget model Research unveiled hobby itself within could enjoy life time hobby uncontrolled documenta tion single design single airplane What license numbers ship building Which varia tion really copying find stringers no knew about nobody shows drawing Longerons shown curved drawing engineer types tell us thats no-nothat steel tube never bowed because its compression strength would shot darn wheeis 7 inches have make supposed fun project So well put Williams biggest6 inches maybe replace later big gest Williams cylinders e Gnome rotary make 7cylinder Warner out Now Fox 78 extension shaft mount ed 8 oclock put its head between dummy cylindersbut head doesnt show anyway have epoxy allergy Murder Now what So some guys tell us fool long enough stuff allergy part game fumes Being editor have big advantage three weeks research would take six months year otherwise Now hung up wing tipsnothing accur ate front view everything dis agreement Sooner later well back track make detailed drawings tail wheel assembly etcwe hope Time becomes meaningless Whereas building always frantic rush get air now feel enjoyment building big deal really dont care youll get done Enjoy step drawings look like road map rural Saudi Arabiavast open Spaces Will live long enough see thing fly cares get field got station wagon cares shop 9 x 12 three six-foot airplanes hang plus bench plus drawing table plus couch usually cat Aristocrat can assembled indoors Now dig guys built Tower Babel Pyramids Eiffel Tower Maybe should have stuck rubberscale guys Join us next Saturday after noon episode 15 Radio Technique/Myers continued page 17 dealing subject called EMI Electro-Magnetic Interference According experts getting rid EMI art science Whatever works right thing other hand flying buddy Nick Ziroli has building flying types models years ranging hA 200-pound RPVs Nick says has never found need chokes set working cor rectly before installed So having trouble likely caused wear tear will yield solutions proposed above Owners Kraft radios can purchase special harness No 200-193 direct factory containing chokes proper size use 22 H highcurrent chokes must specify system harness used cause Kraft has used several types connectors over years several patterns connections might make leads up other brands ask nicely dont know sure worst can happen say no February 1979 issue QST magazine has feature story device called Incon need choke filter Incon looks like good pos sible solution Youll have make own want because isnt production yet above bits information given BOB ABERLE W2QPP Keep letters coming folks Id par ticularly like hear some folks have solved problems George Myers 70 Froehlich Farm Rd Hicksville NY 11801 Waco/Sru II continued page 23 appropriate ribs clothes pins work well slip N struts place Move clips around until nice fit obtained spot glue clips small dab epoxy epoxy sets remove struts secure clips plenty epoxy a rib scabs cowl shown plans simple light strong First build balsa drum like frame Sand outside surface smooth perfect circle Next cut heavy May1979 95 SCALE CLASICS Plans & Construction Manual CuRTiSS HAWK P8E STINSON RELIANT SR8 /eScaleg4eSpan 22W WScaIe 126 Span 25e0 2Scale 83 Span e12 2Scale 84 Span e15 1W Scale 47VeSpan lO L 1WScle 83 Spanl2O CURTISS GOSHAWK Filce 2 Scale 83 Spar 81500 CURTiSS OuLFHAWK lA . 2Scale 63 Span 81800 / Scale 84W Span 53O50 Please Add SISO Fe Ode FosteSe a,d I-ladflfla. OteldeUS Add SSOOMake PaytneOta tO Richard G Barron1213 Hoily Spring Ln Grand Biano MichIgan 48439 Sed 510010 COetelete lflftetloC paper pattern cowl skin fits properly cut skin piece 1/32 plywood Finally clamp epoxy skin place may help moisten outside skin water help conform cowl curvature After sanding fitting cowl fuselage cut holes cowl engines needle valve exhaust extension cooling air exit bottom can also cut hole cowl glow plug connector instead install jack cowl perma nently wired engine glow plug Covering Finishing model covered silk fuselage medium weight Silkspan wings tail surfaces Plastic shrink film could used wings horizontal tail surfaces weight penalty same time increase resistance punctures Before final painting add windshield window framing cut heavy paper finished airplane 3 4 coats butyrate low-shrink dope followed two coats butyrate sanding sealer After light sanding sprayed two coats color butyrate Trim stripes registration numbers masked off sprayed after door outlines various panels outlined drawing pen ink inked areas sprayed coat clear butyrate seal against fuel oil Flying Make sure model balances within position indicated plans no warps have crept flying surfaces model weighs less 2 pounds hardly thing else say first test flights should piece cake small amount right rudder may needed beginning takeoff roll Hold down runway bit down elevator necessary build up reasonable amount speed before lift off first few flights very small amount up elevator will get Waco airborne smooth straight shallow climb-out Later will able pull off after very short ground roll still have solid control 94 prop mild fuel model performs very well off grass hardsurfaced runways no quirks kind ground air 2/3 throttle its flight characteristics very smooth scale-like repeat once again believe light wing loading principal reason docile performance After several trim flights should doing spot landings touch-and-goes best Welcome Waco club happy landing RC Scale/Wischers continued page 25 increase climb angle used borrow altitude speed clear obstacle returning normal climb soon pos sible instant touch-down three-point landing tail wheel plane also exceeding attack angle flat glide During aerobatics often use high angles attack intentional maneuvers done awareness results What trying avoid condition up elevator held inadvertently unnoticed easing back stick concentrating takeoff landing approach best weapon against problem control reversal de-sensitize elevator control reducing travel approximately 15 degrees side center An expensive solution would dual-rate elevator con trol transmitter travel could limited takeoff landing elevator stick springs could tightened transmitter conscious effort needed obtain greater travel solution dislike because affinity aero batics Finally holding angle bank during turns near ground less 20 degrees will help avert trouble Lets disappoint come watch thousand-hour scale models crash flier confesses no fear accidents cannot fly planes qualification fly built-in apprehension Single Strut Landing Gears scale models best friend landing gear will absorb shock damage struc ture devise such gear best follow full-scale practice using coil com pression springs absorb both direct rebound shock Preferred material strut body thin-wall chrome molybdenum 4130 steel tube type used welded aircraft fuselage construction Scrap lengths needed usually obtainable friendly neighborhood airport fixed base operator desireable size 50 outside diameter wall thickness 035 Its retail price should about $150 per foot Other materials such brass lower grades steel can used strength does approach 4130 aircraft tubing lower leg moves vertically within strut body formed 156 music wire built up brass tube proper scale diameter brass turning made rod covers wire bend also serves mount lower scissors yoke Scissors filed solid aluminum bar preferably 2024 alloy ease machining hardness four scissors parts identical Springs wound music wire Winding forces greater can managed hand springs wound mandrel chucked lathe using back gears obtain slowest possible winding speed wind springs hand mandrel would need driven 6 8 long crank lever mandrel supported substantial bearings clamped vise mandrel should slightly smaller desired inside diameter spring because will some opening coils after winding wire-size hole drilled through mandrel secures wire starting coiling winding manually person turns crank second uses visegrip plier apply maximum tension wire Coils laid spacing will result proper free length spring desired number turns has reached Spacing between adjacent coils important winding spring length fit strut body Music wire hobby shop variety discouraged first attempts correct Most made trial error method real trick get two sufficiently similar length number turns both landing gear legs Springs 98 Model Aviation FINISH MODEL AS ANY ONE OF THREE DIFFERENT AIRCRAFT #121 GILMORE RED LION MISS PATTERSON MISS NEW ORLEANS PRICE $595 FROM YOUR DEALER OR ORDER DIRECT ADDING 15% POSTAGE AND HANDLING SRND5OFORCATALOG DEPt MA PAWNEE STREET MARCOS CALIFORNIA 9