NO OCR TEXT NO OCR TEXT IT IS PROBABLY safe say French friends across sea noncom fonnists outdone PiUs Stephens Lasers Zlins etc seem dominating full-size World Aerobatic Championships have designed aircraft appears ready put position attain coveted WC gold Giving up CAP 20 series nerobatic mounts due its shortcomings snap maneuvers entirely different ap proach used designing CAP 21 wing its highly unorthodox airfoil has highest aspect ratio world class mounts thats unusual considers some maneuvers Aresti pattern call fast roll rates What have done though come up aircraft rolls almost fast low speeds does high speeds no doubt due combination airfoil aspect ratio long ailerons Coming over 1000 pounds about 200 pounds heavier Pitts Lasers apparently does hurt its vertical capability competition maneuvers Go out sight doing vertical Left Theres certain beauty uncovered balsa model Keep sheeting wing tail medium-to-lIght category model has long tall moment its easy wind up tall-heavy arent careful Right right half cowl comes off easy access engine smoke system Plytabs blind nuts keep place Careful sanding results nice contours seen Left With battery up forward everything packed foam plenty room neat reliable Installation Note four maple hold-down blocks wing Right see sweepback angle exhaust/smoker ply tab cowl hold-down lip around bottom opening clearly visible lathe tin chute inside Text has details about smoker tin chute construction Left Wheel pants constructiced using roam giass cioin ana epoxy imore oeaiis TexTJ ins ianaing gear mica arier wing removed jig Right Lip edges air exit add realism Exhaust stacks aluminum tubes sunk balsa held epoxy glue Black dope around tubes simulates openings cowl Photos model author Leon Folse 28 Model Aviation rolls like Kermit Weeks Special will required box flying prototype F-WZCH showed up 1980 World Championships has since joined least two others F GAUP F-GAUK competed 1982 World Champs latter two aircraft have shorter ailerons no wheel pants slightly different canopies basic color turquoise blue strengthens idea Frenchmen noncomformists dont know other acro mounts turquoise originally intended build model based upon F-GAUP having turquoise heat-shrink covering decided build model F-WZCH prototype can find word describe airplane probably simplicity same attribute used designing model CAP 21 using balsa plywood sizes can readily obtained always nice able say model flew right off board Left Ready install engine engine mounT ana aii nookups rioie iarge air exim nole am rirewan Douom APPlY slow-curing epoxy inside compartment fuel proofing Right engine instailed ready go angle exhaust/smoker littie tricky author used cut-and-try method get just right before silver soldering joint Note fiberglass wrapping Left Registration etters wing bottom cut MonoKote luau ruuuuau uuura wula iui uruumi biack Sig decai sheet Right Fillets fair nicely trailing edge Angled balsa strips un tue wing MonoKote joints occur Left amnupue wire taum wneei uesemoiy mounieg srp aiieron horn reiiaoie ana smuray ne uiiivan came pusnroa usea resuimea neat installation Right Sullivan pushrod elevator horn Keep length cable outside fuselage short possible minimize cable flexing under flight loads jam nut snap link keeps cable turning changing trim air October 1985 29 Left pilot seated ready go Earphones chute straps add realism Black trim around canopy Sig Skybrite dont use ordinary dope will shrink canopy out shape Names dry transfer lettering flags hand-painted Right Ailerons have long horns flanges cutoff buried ailerons secured CyA Aileron pushrod links installed aftercovering single negative thing showing up Such case spring morning first test hop club now flying grass strip City Parks Department has allotted us Community Center Complex Still developing stages like golf course green fact little bumpy causes us hold some extra up-elevator accelerating tail-dragger bolted wing checked devises range-checked radio filled tanks fired-up engine After check ing-out throttle making sure engine sounded right plane linedupon strip throttle opened little right-rudder up-elevator fed About time broke ground engine went rich make matters interesting model too much aileron elevator throw Visions going back workbench flashed through mind model floundered around hair back neck standing straight out heart just beginning pump again after returning its proper place managed get model settled down made slow-climbing 1800 turn engine picked-up little sol decided make few turns landed model OK turned radios off walked around few minutes settle down refilled tanks aileron pushrods moved outer holes horns could adjust elevator clevis already outside hole recent education still fresh mind fired-up engine leaned little headed down strip hold ing much up-elevator air went self-respecting flying machine sup posed Ah sweet smell success force setup model typical of low-wing Pattern sport machines now flying anyone has flying mid-wing airplanes 30 Model Aviation Mulnurs pioneering efforts develop smoke system small two-stroke engines beginningto payoff Hes continuingwith experiments get smoke dense s MonoKote has roughened sandpaper applied low hen setting canopy tinted black RIT dye according instructions text vviin amour pumping away looks like full-size airplane taking off grass strip heart France Author relates sadly club lost beautiful flying site tennis players infiu encewiththecityfathersthanthe modelers 4 a4 /m //\N // 7 j\I /\I / 0/\-w/4 C. 4 \\ \ 4 4 IA 4 / 0 Lii N // _K cx w/7 1 0 cx m z 0 w Lii je4 4z 4 --J Jm Inaa jW-J a1m 0 N IA 4IA-J -J 4w m NJ N IA 4 IA October 1985 31 DOUBLER -1/8LITE PLY I/T6PLYCOWL CUT 2/64 PLY FILLET BASS 7/16 SI AS I/S DO i--CHUTEBOTTOMTOP sHEET-TRIANGLE TOP SN EET 1/16 PLY BAFFLC 1/8 TOP L BOTTOM F2 0 510 ZLIN CK 223WILLIANG- 2-5/8 PAINT SNAOFD AREA SLACKFI 1/4 PLY -1/2 BALSA1/ASHEET Fl1/8 PLY TABSA1 F2,COWLOUTLINE I-I F3 [v35][b233818900500]]II Cl U SlOE-BAYTIT I1/6 PENINO637OS-S BALSA&,. / S OR EQUI/RIELIANK ( 1/4 MOUNTRCVk II/BALSA-//SERNGS VVALSA ______ ____L.Ij I-1/%LY----7 _ SlIL&RC S 2-1/2RST 4I :I SMOKE TANKIC 0-DUBRO_BALL LINKS 1/2 BALSA~---CK 1/6 PLY TABS'~X~ 4-4051-1 1/6BALSA-1/6XITE J 0 PRATHER EM 3/32LY MORE BEND PATTERN1/6tITE PLY F-WZH FOAM 450 IBCSBCB-TA4IT ON F-GALIP&F-OAUK0 32 Model Aviation Full-Size Plans Available. See Page 164 TOO CAP2I N 001 tHEN AGE Hi]j4 Li LJLiLOUIS PENAERIC MULLER FUSELAGE DECORATIONS SHOWN ACTUAL SIZE C4C K, 3/H TRIANGLE I/ES I/I F61/N BALSAI/BSIOENOTE FlKEEP THE TAIL LIGHT! V E ALL MATERIAL BALSA /UNLESS SPECIFIED TELEVVF4 ELETNOTEVF4VF3 Dj _____ FIN ISilS BUILT -MAKE SURE LEN TA PIECES ARE ACCURATEVF3 Lo/____ _____LL$ -SHEET FIN WITH VF2l/H53/Hl/1HCGRAIH j TTPICALVF2 F5 I/H SO3/32RIBS 4--r 1b EETBENCHSCRAP TABCENTER SOFT BALSA L--------- ER _- 1 II__________ET*T4ECT~1 I_ I-V ULLIVAN NRC-S II II -- ------ 4J10_ 3/H TRIANGLE AL BEAR THU 3 3ThRASSJSI 6 \ INGE LOCATIONS SOFT BALSA NOTE TE BASIC FRENCH WORLD CLASS MEDIUMAEROBATIC A1RCRFi T3/H PORT SCALE FOR AO 1/HS I/2MEOIUMVI/HDESIGNEDDRAWN-BRAD SHEPHERD ROTTLE GOUGEf-'I-~ OUT SI23HN6 ALL RHUITS RESERVED N/NH f.L &44.L October 1985 33 long time going take little getting used Some up-elevator has fed doing knife-edge flight mid-wings require snap rolls very scalelike spin entry exit posi five outside loops snaps smoker going something behold find out model behaved low speeds took up about 200 ft cut back throttle watched slow speed thought would impossible airfoil stalling wouldnt recommend slowing too much land ing approach though instead keep some power until few feet off deck cut throttle let settle Dont surprised flight qualities CAP 21 design Naturally conceived challenger world class competition flying maneuvers way more-ordinary flying machines cant Hence super-responsive changes control surfaces same holds true model would recommend someone hasnt much experi ence flying all-out aerobatics mod el will anything book al though meant scare anyone off forewarned forearmed model lead sled will perform aerobatics well Although model little larger average 40 careful selection wood should result plane will full schedule cant begin give angles dimensions exhaust stack/smoke chamber due lack education geometry strictly cut-and-try eyeball thing silver-soldered together exits through tin chute made gallon can pipe fitters out rolling offset An old modeling friend Eldon Wilson gave some good ideas smoker have incorporated produce much denser smoke Instead steel wool use copper wool made car battery ground cable welding cable unravel copper wire bunch up like steel wool Thin-walled -in copper tubing four holes punched used smoker fluid inlet wheel pants shaped opencell foam beaded covered glass cloth slow-curing epoxy cured foam dug out wheel wells coat resin applied inside canopy tinted using black RIT dye hot boiling water large pan tip Claude McCul lough Dip canopy solution about 2 mm take out rinse cold water canopy needs darker repeat until correct shade obtained subject canopy going enter AMA Sport Scale contests theres potential problem pilot has glued-in before canopy glued-on order satisfy RC Sport Scale model requirement rule 53A3 specifies pilot must visible flight next sentence effectively says judges put blinders disregard pilot static judging can build sliding canopy care go trouble will able remove pilot figure static judging take care apparent contradiction also present rule para 53A53 glued-in seat parachute straps pilot figure before gluing-on canopy Hopefully judges can figure out what wont go step-by-step details constructing model will cover high points Most everything building model straightforward conven tional dimensions plans Wing three ways make set ribs cut out individually using patterns plans make ply root tip ribs carve stack blanks around cut wing panel foam using tip root ribs cut foam rib station trace around shape foam station last method probably accurate three care taken cutting foam Wing panels built right-side-up pin ning aft flat portion ribs bench bottom spar top sheeted position Panels glued together upside-down jigs after estab lishing long straight line work bench center-section sheeting bottom glued-in after dihedral braces ply sub-ribs wing mounting plate epoxied place landing gear assembly fitted after wing removed jigs rear ply plates top center-section sheet ing can glued place stabilizer built using leading trailing edges jigs applying sheeting pinned down elevators built flat board After pinning leading trailing edges down 1/16 sheet balsa glued place ribs scrap glued top sheet fuselage assembled over top view plans Remember shim under Former F4 turtledeck sheeting soaked water wrapped around Turtle Wax bottle tapered allowed dry overnight comes out almost exactly right curve turtledeck formers nice worked out huh Leave 4-in center section stab flat allows stab glued-in getting unwanted incidence Covering Super MonoKote used wing dont use heat-shrink material 3/32 x -in angle strips can omitted bottom fuselage covered light silkspan dope finish applied over registration lettering dry-transfer sheet flags painted colored dope Champion logo cut side spark plug box glued just about correct scale size Enjoy CAP 21 Its blast rememberit will everything book some things arent 34 Model Aviation full-size Inspiration model pictures courtesy Repla-Tech International Three-view drawings photographs documentatIon/detaIlIng can obtained company Repla-Tech 48500 McKenzie Hwy Vida OR g7488$3 fora 1985 catalog /-P7: /NC ILNYUOISELEN/NB [v32][b-2-10-1-10]]//4 N/SN/C/NE EEC/ION NiNZN N/C ii N/SN/S p— LL ESErU BALSA UNLESS TIICPLY LA N/555540 SCANSN/Sail/a NE S/OCXEISEEsC/NPU N NAO/B 2 N/PA/NE SENIBS aOL NUNBEELSA PLAL NA SEC//OS 7 _ CAP2I FRENCO WORLD CLASS AN/ROBOTIC AiRCRAFT SPORT SCALE FOR 00 ON/SIONEOOROWN-RRAO SHEPHERD ALE SEEN/S SEEN/NON/N B/SN HE /NUASAa
Edition: Model Aviation - 1985/10
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 34, 35
NO OCR TEXT NO OCR TEXT IT IS PROBABLY safe say French friends across sea noncom fonnists outdone PiUs Stephens Lasers Zlins etc seem dominating full-size World Aerobatic Championships have designed aircraft appears ready put position attain coveted WC gold Giving up CAP 20 series nerobatic mounts due its shortcomings snap maneuvers entirely different ap proach used designing CAP 21 wing its highly unorthodox airfoil has highest aspect ratio world class mounts thats unusual considers some maneuvers Aresti pattern call fast roll rates What have done though come up aircraft rolls almost fast low speeds does high speeds no doubt due combination airfoil aspect ratio long ailerons Coming over 1000 pounds about 200 pounds heavier Pitts Lasers apparently does hurt its vertical capability competition maneuvers Go out sight doing vertical Left Theres certain beauty uncovered balsa model Keep sheeting wing tail medium-to-lIght category model has long tall moment its easy wind up tall-heavy arent careful Right right half cowl comes off easy access engine smoke system Plytabs blind nuts keep place Careful sanding results nice contours seen Left With battery up forward everything packed foam plenty room neat reliable Installation Note four maple hold-down blocks wing Right see sweepback angle exhaust/smoker ply tab cowl hold-down lip around bottom opening clearly visible lathe tin chute inside Text has details about smoker tin chute construction Left Wheel pants constructiced using roam giass cioin ana epoxy imore oeaiis TexTJ ins ianaing gear mica arier wing removed jig Right Lip edges air exit add realism Exhaust stacks aluminum tubes sunk balsa held epoxy glue Black dope around tubes simulates openings cowl Photos model author Leon Folse 28 Model Aviation rolls like Kermit Weeks Special will required box flying prototype F-WZCH showed up 1980 World Championships has since joined least two others F GAUP F-GAUK competed 1982 World Champs latter two aircraft have shorter ailerons no wheel pants slightly different canopies basic color turquoise blue strengthens idea Frenchmen noncomformists dont know other acro mounts turquoise originally intended build model based upon F-GAUP having turquoise heat-shrink covering decided build model F-WZCH prototype can find word describe airplane probably simplicity same attribute used designing model CAP 21 using balsa plywood sizes can readily obtained always nice able say model flew right off board Left Ready install engine engine mounT ana aii nookups rioie iarge air exim nole am rirewan Douom APPlY slow-curing epoxy inside compartment fuel proofing Right engine instailed ready go angle exhaust/smoker littie tricky author used cut-and-try method get just right before silver soldering joint Note fiberglass wrapping Left Registration etters wing bottom cut MonoKote luau ruuuuau uuura wula iui uruumi biack Sig decai sheet Right Fillets fair nicely trailing edge Angled balsa strips un tue wing MonoKote joints occur Left amnupue wire taum wneei uesemoiy mounieg srp aiieron horn reiiaoie ana smuray ne uiiivan came pusnroa usea resuimea neat installation Right Sullivan pushrod elevator horn Keep length cable outside fuselage short possible minimize cable flexing under flight loads jam nut snap link keeps cable turning changing trim air October 1985 29 Left pilot seated ready go Earphones chute straps add realism Black trim around canopy Sig Skybrite dont use ordinary dope will shrink canopy out shape Names dry transfer lettering flags hand-painted Right Ailerons have long horns flanges cutoff buried ailerons secured CyA Aileron pushrod links installed aftercovering single negative thing showing up Such case spring morning first test hop club now flying grass strip City Parks Department has allotted us Community Center Complex Still developing stages like golf course green fact little bumpy causes us hold some extra up-elevator accelerating tail-dragger bolted wing checked devises range-checked radio filled tanks fired-up engine After check ing-out throttle making sure engine sounded right plane linedupon strip throttle opened little right-rudder up-elevator fed About time broke ground engine went rich make matters interesting model too much aileron elevator throw Visions going back workbench flashed through mind model floundered around hair back neck standing straight out heart just beginning pump again after returning its proper place managed get model settled down made slow-climbing 1800 turn engine picked-up little sol decided make few turns landed model OK turned radios off walked around few minutes settle down refilled tanks aileron pushrods moved outer holes horns could adjust elevator clevis already outside hole recent education still fresh mind fired-up engine leaned little headed down strip hold ing much up-elevator air went self-respecting flying machine sup posed Ah sweet smell success force setup model typical of low-wing Pattern sport machines now flying anyone has flying mid-wing airplanes 30 Model Aviation Mulnurs pioneering efforts develop smoke system small two-stroke engines beginningto payoff Hes continuingwith experiments get smoke dense s MonoKote has roughened sandpaper applied low hen setting canopy tinted black RIT dye according instructions text vviin amour pumping away looks like full-size airplane taking off grass strip heart France Author relates sadly club lost beautiful flying site tennis players infiu encewiththecityfathersthanthe modelers 4 a4 /m //\N // 7 j\I /\I / 0/\-w/4 C. 4 \\ \ 4 4 IA 4 / 0 Lii N // _K cx w/7 1 0 cx m z 0 w Lii je4 4z 4 --J Jm Inaa jW-J a1m 0 N IA 4IA-J -J 4w m NJ N IA 4 IA October 1985 31 DOUBLER -1/8LITE PLY I/T6PLYCOWL CUT 2/64 PLY FILLET BASS 7/16 SI AS I/S DO i--CHUTEBOTTOMTOP sHEET-TRIANGLE TOP SN EET 1/16 PLY BAFFLC 1/8 TOP L BOTTOM F2 0 510 ZLIN CK 223WILLIANG- 2-5/8 PAINT SNAOFD AREA SLACKFI 1/4 PLY -1/2 BALSA1/ASHEET Fl1/8 PLY TABSA1 F2,COWLOUTLINE I-I F3 [v35][b233818900500]]II Cl U SlOE-BAYTIT I1/6 PENINO637OS-S BALSA&,. / S OR EQUI/RIELIANK ( 1/4 MOUNTRCVk II/BALSA-//SERNGS VVALSA ______ ____L.Ij I-1/%LY----7 _ SlIL&RC S 2-1/2RST 4I :I SMOKE TANKIC 0-DUBRO_BALL LINKS 1/2 BALSA~---CK 1/6 PLY TABS'~X~ 4-4051-1 1/6BALSA-1/6XITE J 0 PRATHER EM 3/32LY MORE BEND PATTERN1/6tITE PLY F-WZH FOAM 450 IBCSBCB-TA4IT ON F-GALIP&F-OAUK0 32 Model Aviation Full-Size Plans Available. See Page 164 TOO CAP2I N 001 tHEN AGE Hi]j4 Li LJLiLOUIS PENAERIC MULLER FUSELAGE DECORATIONS SHOWN ACTUAL SIZE C4C K, 3/H TRIANGLE I/ES I/I F61/N BALSAI/BSIOENOTE FlKEEP THE TAIL LIGHT! V E ALL MATERIAL BALSA /UNLESS SPECIFIED TELEVVF4 ELETNOTEVF4VF3 Dj _____ FIN ISilS BUILT -MAKE SURE LEN TA PIECES ARE ACCURATEVF3 Lo/____ _____LL$ -SHEET FIN WITH VF2l/H53/Hl/1HCGRAIH j TTPICALVF2 F5 I/H SO3/32RIBS 4--r 1b EETBENCHSCRAP TABCENTER SOFT BALSA L--------- ER _- 1 II__________ET*T4ECT~1 I_ I-V ULLIVAN NRC-S II II -- ------ 4J10_ 3/H TRIANGLE AL BEAR THU 3 3ThRASSJSI 6 \ INGE LOCATIONS SOFT BALSA NOTE TE BASIC FRENCH WORLD CLASS MEDIUMAEROBATIC A1RCRFi T3/H PORT SCALE FOR AO 1/HS I/2MEOIUMVI/HDESIGNEDDRAWN-BRAD SHEPHERD ROTTLE GOUGEf-'I-~ OUT SI23HN6 ALL RHUITS RESERVED N/NH f.L &44.L October 1985 33 long time going take little getting used Some up-elevator has fed doing knife-edge flight mid-wings require snap rolls very scalelike spin entry exit posi five outside loops snaps smoker going something behold find out model behaved low speeds took up about 200 ft cut back throttle watched slow speed thought would impossible airfoil stalling wouldnt recommend slowing too much land ing approach though instead keep some power until few feet off deck cut throttle let settle Dont surprised flight qualities CAP 21 design Naturally conceived challenger world class competition flying maneuvers way more-ordinary flying machines cant Hence super-responsive changes control surfaces same holds true model would recommend someone hasnt much experi ence flying all-out aerobatics mod el will anything book al though meant scare anyone off forewarned forearmed model lead sled will perform aerobatics well Although model little larger average 40 careful selection wood should result plane will full schedule cant begin give angles dimensions exhaust stack/smoke chamber due lack education geometry strictly cut-and-try eyeball thing silver-soldered together exits through tin chute made gallon can pipe fitters out rolling offset An old modeling friend Eldon Wilson gave some good ideas smoker have incorporated produce much denser smoke Instead steel wool use copper wool made car battery ground cable welding cable unravel copper wire bunch up like steel wool Thin-walled -in copper tubing four holes punched used smoker fluid inlet wheel pants shaped opencell foam beaded covered glass cloth slow-curing epoxy cured foam dug out wheel wells coat resin applied inside canopy tinted using black RIT dye hot boiling water large pan tip Claude McCul lough Dip canopy solution about 2 mm take out rinse cold water canopy needs darker repeat until correct shade obtained subject canopy going enter AMA Sport Scale contests theres potential problem pilot has glued-in before canopy glued-on order satisfy RC Sport Scale model requirement rule 53A3 specifies pilot must visible flight next sentence effectively says judges put blinders disregard pilot static judging can build sliding canopy care go trouble will able remove pilot figure static judging take care apparent contradiction also present rule para 53A53 glued-in seat parachute straps pilot figure before gluing-on canopy Hopefully judges can figure out what wont go step-by-step details constructing model will cover high points Most everything building model straightforward conven tional dimensions plans Wing three ways make set ribs cut out individually using patterns plans make ply root tip ribs carve stack blanks around cut wing panel foam using tip root ribs cut foam rib station trace around shape foam station last method probably accurate three care taken cutting foam Wing panels built right-side-up pin ning aft flat portion ribs bench bottom spar top sheeted position Panels glued together upside-down jigs after estab lishing long straight line work bench center-section sheeting bottom glued-in after dihedral braces ply sub-ribs wing mounting plate epoxied place landing gear assembly fitted after wing removed jigs rear ply plates top center-section sheet ing can glued place stabilizer built using leading trailing edges jigs applying sheeting pinned down elevators built flat board After pinning leading trailing edges down 1/16 sheet balsa glued place ribs scrap glued top sheet fuselage assembled over top view plans Remember shim under Former F4 turtledeck sheeting soaked water wrapped around Turtle Wax bottle tapered allowed dry overnight comes out almost exactly right curve turtledeck formers nice worked out huh Leave 4-in center section stab flat allows stab glued-in getting unwanted incidence Covering Super MonoKote used wing dont use heat-shrink material 3/32 x -in angle strips can omitted bottom fuselage covered light silkspan dope finish applied over registration lettering dry-transfer sheet flags painted colored dope Champion logo cut side spark plug box glued just about correct scale size Enjoy CAP 21 Its blast rememberit will everything book some things arent 34 Model Aviation full-size Inspiration model pictures courtesy Repla-Tech International Three-view drawings photographs documentatIon/detaIlIng can obtained company Repla-Tech 48500 McKenzie Hwy Vida OR g7488$3 fora 1985 catalog /-P7: /NC ILNYUOISELEN/NB [v32][b-2-10-1-10]]//4 N/SN/C/NE EEC/ION NiNZN N/C ii N/SN/S p— LL ESErU BALSA UNLESS TIICPLY LA N/555540 SCANSN/Sail/a NE S/OCXEISEEsC/NPU N NAO/B 2 N/PA/NE SENIBS aOL NUNBEELSA PLAL NA SEC//OS 7 _ CAP2I FRENCO WORLD CLASS AN/ROBOTIC AiRCRAFT SPORT SCALE FOR 00 ON/SIONEOOROWN-RRAO SHEPHERD ALE SEEN/S SEEN/NON/N B/SN HE /NUASAa
Edition: Model Aviation - 1985/10
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 34, 35
NO OCR TEXT NO OCR TEXT IT IS PROBABLY safe say French friends across sea noncom fonnists outdone PiUs Stephens Lasers Zlins etc seem dominating full-size World Aerobatic Championships have designed aircraft appears ready put position attain coveted WC gold Giving up CAP 20 series nerobatic mounts due its shortcomings snap maneuvers entirely different ap proach used designing CAP 21 wing its highly unorthodox airfoil has highest aspect ratio world class mounts thats unusual considers some maneuvers Aresti pattern call fast roll rates What have done though come up aircraft rolls almost fast low speeds does high speeds no doubt due combination airfoil aspect ratio long ailerons Coming over 1000 pounds about 200 pounds heavier Pitts Lasers apparently does hurt its vertical capability competition maneuvers Go out sight doing vertical Left Theres certain beauty uncovered balsa model Keep sheeting wing tail medium-to-lIght category model has long tall moment its easy wind up tall-heavy arent careful Right right half cowl comes off easy access engine smoke system Plytabs blind nuts keep place Careful sanding results nice contours seen Left With battery up forward everything packed foam plenty room neat reliable Installation Note four maple hold-down blocks wing Right see sweepback angle exhaust/smoker ply tab cowl hold-down lip around bottom opening clearly visible lathe tin chute inside Text has details about smoker tin chute construction Left Wheel pants constructiced using roam giass cioin ana epoxy imore oeaiis TexTJ ins ianaing gear mica arier wing removed jig Right Lip edges air exit add realism Exhaust stacks aluminum tubes sunk balsa held epoxy glue Black dope around tubes simulates openings cowl Photos model author Leon Folse 28 Model Aviation rolls like Kermit Weeks Special will required box flying prototype F-WZCH showed up 1980 World Championships has since joined least two others F GAUP F-GAUK competed 1982 World Champs latter two aircraft have shorter ailerons no wheel pants slightly different canopies basic color turquoise blue strengthens idea Frenchmen noncomformists dont know other acro mounts turquoise originally intended build model based upon F-GAUP having turquoise heat-shrink covering decided build model F-WZCH prototype can find word describe airplane probably simplicity same attribute used designing model CAP 21 using balsa plywood sizes can readily obtained always nice able say model flew right off board Left Ready install engine engine mounT ana aii nookups rioie iarge air exim nole am rirewan Douom APPlY slow-curing epoxy inside compartment fuel proofing Right engine instailed ready go angle exhaust/smoker littie tricky author used cut-and-try method get just right before silver soldering joint Note fiberglass wrapping Left Registration etters wing bottom cut MonoKote luau ruuuuau uuura wula iui uruumi biack Sig decai sheet Right Fillets fair nicely trailing edge Angled balsa strips un tue wing MonoKote joints occur Left amnupue wire taum wneei uesemoiy mounieg srp aiieron horn reiiaoie ana smuray ne uiiivan came pusnroa usea resuimea neat installation Right Sullivan pushrod elevator horn Keep length cable outside fuselage short possible minimize cable flexing under flight loads jam nut snap link keeps cable turning changing trim air October 1985 29 Left pilot seated ready go Earphones chute straps add realism Black trim around canopy Sig Skybrite dont use ordinary dope will shrink canopy out shape Names dry transfer lettering flags hand-painted Right Ailerons have long horns flanges cutoff buried ailerons secured CyA Aileron pushrod links installed aftercovering single negative thing showing up Such case spring morning first test hop club now flying grass strip City Parks Department has allotted us Community Center Complex Still developing stages like golf course green fact little bumpy causes us hold some extra up-elevator accelerating tail-dragger bolted wing checked devises range-checked radio filled tanks fired-up engine After check ing-out throttle making sure engine sounded right plane linedupon strip throttle opened little right-rudder up-elevator fed About time broke ground engine went rich make matters interesting model too much aileron elevator throw Visions going back workbench flashed through mind model floundered around hair back neck standing straight out heart just beginning pump again after returning its proper place managed get model settled down made slow-climbing 1800 turn engine picked-up little sol decided make few turns landed model OK turned radios off walked around few minutes settle down refilled tanks aileron pushrods moved outer holes horns could adjust elevator clevis already outside hole recent education still fresh mind fired-up engine leaned little headed down strip hold ing much up-elevator air went self-respecting flying machine sup posed Ah sweet smell success force setup model typical of low-wing Pattern sport machines now flying anyone has flying mid-wing airplanes 30 Model Aviation Mulnurs pioneering efforts develop smoke system small two-stroke engines beginningto payoff Hes continuingwith experiments get smoke dense s MonoKote has roughened sandpaper applied low hen setting canopy tinted black RIT dye according instructions text vviin amour pumping away looks like full-size airplane taking off grass strip heart France Author relates sadly club lost beautiful flying site tennis players infiu encewiththecityfathersthanthe modelers 4 a4 /m //\N // 7 j\I /\I / 0/\-w/4 C. 4 \\ \ 4 4 IA 4 / 0 Lii N // _K cx w/7 1 0 cx m z 0 w Lii je4 4z 4 --J Jm Inaa jW-J a1m 0 N IA 4IA-J -J 4w m NJ N IA 4 IA October 1985 31 DOUBLER -1/8LITE PLY I/T6PLYCOWL CUT 2/64 PLY FILLET BASS 7/16 SI AS I/S DO i--CHUTEBOTTOMTOP sHEET-TRIANGLE TOP SN EET 1/16 PLY BAFFLC 1/8 TOP L BOTTOM F2 0 510 ZLIN CK 223WILLIANG- 2-5/8 PAINT SNAOFD AREA SLACKFI 1/4 PLY -1/2 BALSA1/ASHEET Fl1/8 PLY TABSA1 F2,COWLOUTLINE I-I F3 [v35][b233818900500]]II Cl U SlOE-BAYTIT I1/6 PENINO637OS-S BALSA&,. / S OR EQUI/RIELIANK ( 1/4 MOUNTRCVk II/BALSA-//SERNGS VVALSA ______ ____L.Ij I-1/%LY----7 _ SlIL&RC S 2-1/2RST 4I :I SMOKE TANKIC 0-DUBRO_BALL LINKS 1/2 BALSA~---CK 1/6 PLY TABS'~X~ 4-4051-1 1/6BALSA-1/6XITE J 0 PRATHER EM 3/32LY MORE BEND PATTERN1/6tITE PLY F-WZH FOAM 450 IBCSBCB-TA4IT ON F-GALIP&F-OAUK0 32 Model Aviation Full-Size Plans Available. See Page 164 TOO CAP2I N 001 tHEN AGE Hi]j4 Li LJLiLOUIS PENAERIC MULLER FUSELAGE DECORATIONS SHOWN ACTUAL SIZE C4C K, 3/H TRIANGLE I/ES I/I F61/N BALSAI/BSIOENOTE FlKEEP THE TAIL LIGHT! V E ALL MATERIAL BALSA /UNLESS SPECIFIED TELEVVF4 ELETNOTEVF4VF3 Dj _____ FIN ISilS BUILT -MAKE SURE LEN TA PIECES ARE ACCURATEVF3 Lo/____ _____LL$ -SHEET FIN WITH VF2l/H53/Hl/1HCGRAIH j TTPICALVF2 F5 I/H SO3/32RIBS 4--r 1b EETBENCHSCRAP TABCENTER SOFT BALSA L--------- ER _- 1 II__________ET*T4ECT~1 I_ I-V ULLIVAN NRC-S II II -- ------ 4J10_ 3/H TRIANGLE AL BEAR THU 3 3ThRASSJSI 6 \ INGE LOCATIONS SOFT BALSA NOTE TE BASIC FRENCH WORLD CLASS MEDIUMAEROBATIC A1RCRFi T3/H PORT SCALE FOR AO 1/HS I/2MEOIUMVI/HDESIGNEDDRAWN-BRAD SHEPHERD ROTTLE GOUGEf-'I-~ OUT SI23HN6 ALL RHUITS RESERVED N/NH f.L &44.L October 1985 33 long time going take little getting used Some up-elevator has fed doing knife-edge flight mid-wings require snap rolls very scalelike spin entry exit posi five outside loops snaps smoker going something behold find out model behaved low speeds took up about 200 ft cut back throttle watched slow speed thought would impossible airfoil stalling wouldnt recommend slowing too much land ing approach though instead keep some power until few feet off deck cut throttle let settle Dont surprised flight qualities CAP 21 design Naturally conceived challenger world class competition flying maneuvers way more-ordinary flying machines cant Hence super-responsive changes control surfaces same holds true model would recommend someone hasnt much experi ence flying all-out aerobatics mod el will anything book al though meant scare anyone off forewarned forearmed model lead sled will perform aerobatics well Although model little larger average 40 careful selection wood should result plane will full schedule cant begin give angles dimensions exhaust stack/smoke chamber due lack education geometry strictly cut-and-try eyeball thing silver-soldered together exits through tin chute made gallon can pipe fitters out rolling offset An old modeling friend Eldon Wilson gave some good ideas smoker have incorporated produce much denser smoke Instead steel wool use copper wool made car battery ground cable welding cable unravel copper wire bunch up like steel wool Thin-walled -in copper tubing four holes punched used smoker fluid inlet wheel pants shaped opencell foam beaded covered glass cloth slow-curing epoxy cured foam dug out wheel wells coat resin applied inside canopy tinted using black RIT dye hot boiling water large pan tip Claude McCul lough Dip canopy solution about 2 mm take out rinse cold water canopy needs darker repeat until correct shade obtained subject canopy going enter AMA Sport Scale contests theres potential problem pilot has glued-in before canopy glued-on order satisfy RC Sport Scale model requirement rule 53A3 specifies pilot must visible flight next sentence effectively says judges put blinders disregard pilot static judging can build sliding canopy care go trouble will able remove pilot figure static judging take care apparent contradiction also present rule para 53A53 glued-in seat parachute straps pilot figure before gluing-on canopy Hopefully judges can figure out what wont go step-by-step details constructing model will cover high points Most everything building model straightforward conven tional dimensions plans Wing three ways make set ribs cut out individually using patterns plans make ply root tip ribs carve stack blanks around cut wing panel foam using tip root ribs cut foam rib station trace around shape foam station last method probably accurate three care taken cutting foam Wing panels built right-side-up pin ning aft flat portion ribs bench bottom spar top sheeted position Panels glued together upside-down jigs after estab lishing long straight line work bench center-section sheeting bottom glued-in after dihedral braces ply sub-ribs wing mounting plate epoxied place landing gear assembly fitted after wing removed jigs rear ply plates top center-section sheet ing can glued place stabilizer built using leading trailing edges jigs applying sheeting pinned down elevators built flat board After pinning leading trailing edges down 1/16 sheet balsa glued place ribs scrap glued top sheet fuselage assembled over top view plans Remember shim under Former F4 turtledeck sheeting soaked water wrapped around Turtle Wax bottle tapered allowed dry overnight comes out almost exactly right curve turtledeck formers nice worked out huh Leave 4-in center section stab flat allows stab glued-in getting unwanted incidence Covering Super MonoKote used wing dont use heat-shrink material 3/32 x -in angle strips can omitted bottom fuselage covered light silkspan dope finish applied over registration lettering dry-transfer sheet flags painted colored dope Champion logo cut side spark plug box glued just about correct scale size Enjoy CAP 21 Its blast rememberit will everything book some things arent 34 Model Aviation full-size Inspiration model pictures courtesy Repla-Tech International Three-view drawings photographs documentatIon/detaIlIng can obtained company Repla-Tech 48500 McKenzie Hwy Vida OR g7488$3 fora 1985 catalog /-P7: /NC ILNYUOISELEN/NB [v32][b-2-10-1-10]]//4 N/SN/C/NE EEC/ION NiNZN N/C ii N/SN/S p— LL ESErU BALSA UNLESS TIICPLY LA N/555540 SCANSN/Sail/a NE S/OCXEISEEsC/NPU N NAO/B 2 N/PA/NE SENIBS aOL NUNBEELSA PLAL NA SEC//OS 7 _ CAP2I FRENCO WORLD CLASS AN/ROBOTIC AiRCRAFT SPORT SCALE FOR 00 ON/SIONEOOROWN-RRAO SHEPHERD ALE SEEN/S SEEN/NON/N B/SN HE /NUASAa
Edition: Model Aviation - 1985/10
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 34, 35
NO OCR TEXT NO OCR TEXT IT IS PROBABLY safe say French friends across sea noncom fonnists outdone PiUs Stephens Lasers Zlins etc seem dominating full-size World Aerobatic Championships have designed aircraft appears ready put position attain coveted WC gold Giving up CAP 20 series nerobatic mounts due its shortcomings snap maneuvers entirely different ap proach used designing CAP 21 wing its highly unorthodox airfoil has highest aspect ratio world class mounts thats unusual considers some maneuvers Aresti pattern call fast roll rates What have done though come up aircraft rolls almost fast low speeds does high speeds no doubt due combination airfoil aspect ratio long ailerons Coming over 1000 pounds about 200 pounds heavier Pitts Lasers apparently does hurt its vertical capability competition maneuvers Go out sight doing vertical Left Theres certain beauty uncovered balsa model Keep sheeting wing tail medium-to-lIght category model has long tall moment its easy wind up tall-heavy arent careful Right right half cowl comes off easy access engine smoke system Plytabs blind nuts keep place Careful sanding results nice contours seen Left With battery up forward everything packed foam plenty room neat reliable Installation Note four maple hold-down blocks wing Right see sweepback angle exhaust/smoker ply tab cowl hold-down lip around bottom opening clearly visible lathe tin chute inside Text has details about smoker tin chute construction Left Wheel pants constructiced using roam giass cioin ana epoxy imore oeaiis TexTJ ins ianaing gear mica arier wing removed jig Right Lip edges air exit add realism Exhaust stacks aluminum tubes sunk balsa held epoxy glue Black dope around tubes simulates openings cowl Photos model author Leon Folse 28 Model Aviation rolls like Kermit Weeks Special will required box flying prototype F-WZCH showed up 1980 World Championships has since joined least two others F GAUP F-GAUK competed 1982 World Champs latter two aircraft have shorter ailerons no wheel pants slightly different canopies basic color turquoise blue strengthens idea Frenchmen noncomformists dont know other acro mounts turquoise originally intended build model based upon F-GAUP having turquoise heat-shrink covering decided build model F-WZCH prototype can find word describe airplane probably simplicity same attribute used designing model CAP 21 using balsa plywood sizes can readily obtained always nice able say model flew right off board Left Ready install engine engine mounT ana aii nookups rioie iarge air exim nole am rirewan Douom APPlY slow-curing epoxy inside compartment fuel proofing Right engine instailed ready go angle exhaust/smoker littie tricky author used cut-and-try method get just right before silver soldering joint Note fiberglass wrapping Left Registration etters wing bottom cut MonoKote luau ruuuuau uuura wula iui uruumi biack Sig decai sheet Right Fillets fair nicely trailing edge Angled balsa strips un tue wing MonoKote joints occur Left amnupue wire taum wneei uesemoiy mounieg srp aiieron horn reiiaoie ana smuray ne uiiivan came pusnroa usea resuimea neat installation Right Sullivan pushrod elevator horn Keep length cable outside fuselage short possible minimize cable flexing under flight loads jam nut snap link keeps cable turning changing trim air October 1985 29 Left pilot seated ready go Earphones chute straps add realism Black trim around canopy Sig Skybrite dont use ordinary dope will shrink canopy out shape Names dry transfer lettering flags hand-painted Right Ailerons have long horns flanges cutoff buried ailerons secured CyA Aileron pushrod links installed aftercovering single negative thing showing up Such case spring morning first test hop club now flying grass strip City Parks Department has allotted us Community Center Complex Still developing stages like golf course green fact little bumpy causes us hold some extra up-elevator accelerating tail-dragger bolted wing checked devises range-checked radio filled tanks fired-up engine After check ing-out throttle making sure engine sounded right plane linedupon strip throttle opened little right-rudder up-elevator fed About time broke ground engine went rich make matters interesting model too much aileron elevator throw Visions going back workbench flashed through mind model floundered around hair back neck standing straight out heart just beginning pump again after returning its proper place managed get model settled down made slow-climbing 1800 turn engine picked-up little sol decided make few turns landed model OK turned radios off walked around few minutes settle down refilled tanks aileron pushrods moved outer holes horns could adjust elevator clevis already outside hole recent education still fresh mind fired-up engine leaned little headed down strip hold ing much up-elevator air went self-respecting flying machine sup posed Ah sweet smell success force setup model typical of low-wing Pattern sport machines now flying anyone has flying mid-wing airplanes 30 Model Aviation Mulnurs pioneering efforts develop smoke system small two-stroke engines beginningto payoff Hes continuingwith experiments get smoke dense s MonoKote has roughened sandpaper applied low hen setting canopy tinted black RIT dye according instructions text vviin amour pumping away looks like full-size airplane taking off grass strip heart France Author relates sadly club lost beautiful flying site tennis players infiu encewiththecityfathersthanthe modelers 4 a4 /m //\N // 7 j\I /\I / 0/\-w/4 C. 4 \\ \ 4 4 IA 4 / 0 Lii N // _K cx w/7 1 0 cx m z 0 w Lii je4 4z 4 --J Jm Inaa jW-J a1m 0 N IA 4IA-J -J 4w m NJ N IA 4 IA October 1985 31 DOUBLER -1/8LITE PLY I/T6PLYCOWL CUT 2/64 PLY FILLET BASS 7/16 SI AS I/S DO i--CHUTEBOTTOMTOP sHEET-TRIANGLE TOP SN EET 1/16 PLY BAFFLC 1/8 TOP L BOTTOM F2 0 510 ZLIN CK 223WILLIANG- 2-5/8 PAINT SNAOFD AREA SLACKFI 1/4 PLY -1/2 BALSA1/ASHEET Fl1/8 PLY TABSA1 F2,COWLOUTLINE I-I F3 [v35][b233818900500]]II Cl U SlOE-BAYTIT I1/6 PENINO637OS-S BALSA&,. / S OR EQUI/RIELIANK ( 1/4 MOUNTRCVk II/BALSA-//SERNGS VVALSA ______ ____L.Ij I-1/%LY----7 _ SlIL&RC S 2-1/2RST 4I :I SMOKE TANKIC 0-DUBRO_BALL LINKS 1/2 BALSA~---CK 1/6 PLY TABS'~X~ 4-4051-1 1/6BALSA-1/6XITE J 0 PRATHER EM 3/32LY MORE BEND PATTERN1/6tITE PLY F-WZH FOAM 450 IBCSBCB-TA4IT ON F-GALIP&F-OAUK0 32 Model Aviation Full-Size Plans Available. See Page 164 TOO CAP2I N 001 tHEN AGE Hi]j4 Li LJLiLOUIS PENAERIC MULLER FUSELAGE DECORATIONS SHOWN ACTUAL SIZE C4C K, 3/H TRIANGLE I/ES I/I F61/N BALSAI/BSIOENOTE FlKEEP THE TAIL LIGHT! V E ALL MATERIAL BALSA /UNLESS SPECIFIED TELEVVF4 ELETNOTEVF4VF3 Dj _____ FIN ISilS BUILT -MAKE SURE LEN TA PIECES ARE ACCURATEVF3 Lo/____ _____LL$ -SHEET FIN WITH VF2l/H53/Hl/1HCGRAIH j TTPICALVF2 F5 I/H SO3/32RIBS 4--r 1b EETBENCHSCRAP TABCENTER SOFT BALSA L--------- ER _- 1 II__________ET*T4ECT~1 I_ I-V ULLIVAN NRC-S II II -- ------ 4J10_ 3/H TRIANGLE AL BEAR THU 3 3ThRASSJSI 6 \ INGE LOCATIONS SOFT BALSA NOTE TE BASIC FRENCH WORLD CLASS MEDIUMAEROBATIC A1RCRFi T3/H PORT SCALE FOR AO 1/HS I/2MEOIUMVI/HDESIGNEDDRAWN-BRAD SHEPHERD ROTTLE GOUGEf-'I-~ OUT SI23HN6 ALL RHUITS RESERVED N/NH f.L &44.L October 1985 33 long time going take little getting used Some up-elevator has fed doing knife-edge flight mid-wings require snap rolls very scalelike spin entry exit posi five outside loops snaps smoker going something behold find out model behaved low speeds took up about 200 ft cut back throttle watched slow speed thought would impossible airfoil stalling wouldnt recommend slowing too much land ing approach though instead keep some power until few feet off deck cut throttle let settle Dont surprised flight qualities CAP 21 design Naturally conceived challenger world class competition flying maneuvers way more-ordinary flying machines cant Hence super-responsive changes control surfaces same holds true model would recommend someone hasnt much experi ence flying all-out aerobatics mod el will anything book al though meant scare anyone off forewarned forearmed model lead sled will perform aerobatics well Although model little larger average 40 careful selection wood should result plane will full schedule cant begin give angles dimensions exhaust stack/smoke chamber due lack education geometry strictly cut-and-try eyeball thing silver-soldered together exits through tin chute made gallon can pipe fitters out rolling offset An old modeling friend Eldon Wilson gave some good ideas smoker have incorporated produce much denser smoke Instead steel wool use copper wool made car battery ground cable welding cable unravel copper wire bunch up like steel wool Thin-walled -in copper tubing four holes punched used smoker fluid inlet wheel pants shaped opencell foam beaded covered glass cloth slow-curing epoxy cured foam dug out wheel wells coat resin applied inside canopy tinted using black RIT dye hot boiling water large pan tip Claude McCul lough Dip canopy solution about 2 mm take out rinse cold water canopy needs darker repeat until correct shade obtained subject canopy going enter AMA Sport Scale contests theres potential problem pilot has glued-in before canopy glued-on order satisfy RC Sport Scale model requirement rule 53A3 specifies pilot must visible flight next sentence effectively says judges put blinders disregard pilot static judging can build sliding canopy care go trouble will able remove pilot figure static judging take care apparent contradiction also present rule para 53A53 glued-in seat parachute straps pilot figure before gluing-on canopy Hopefully judges can figure out what wont go step-by-step details constructing model will cover high points Most everything building model straightforward conven tional dimensions plans Wing three ways make set ribs cut out individually using patterns plans make ply root tip ribs carve stack blanks around cut wing panel foam using tip root ribs cut foam rib station trace around shape foam station last method probably accurate three care taken cutting foam Wing panels built right-side-up pin ning aft flat portion ribs bench bottom spar top sheeted position Panels glued together upside-down jigs after estab lishing long straight line work bench center-section sheeting bottom glued-in after dihedral braces ply sub-ribs wing mounting plate epoxied place landing gear assembly fitted after wing removed jigs rear ply plates top center-section sheet ing can glued place stabilizer built using leading trailing edges jigs applying sheeting pinned down elevators built flat board After pinning leading trailing edges down 1/16 sheet balsa glued place ribs scrap glued top sheet fuselage assembled over top view plans Remember shim under Former F4 turtledeck sheeting soaked water wrapped around Turtle Wax bottle tapered allowed dry overnight comes out almost exactly right curve turtledeck formers nice worked out huh Leave 4-in center section stab flat allows stab glued-in getting unwanted incidence Covering Super MonoKote used wing dont use heat-shrink material 3/32 x -in angle strips can omitted bottom fuselage covered light silkspan dope finish applied over registration lettering dry-transfer sheet flags painted colored dope Champion logo cut side spark plug box glued just about correct scale size Enjoy CAP 21 Its blast rememberit will everything book some things arent 34 Model Aviation full-size Inspiration model pictures courtesy Repla-Tech International Three-view drawings photographs documentatIon/detaIlIng can obtained company Repla-Tech 48500 McKenzie Hwy Vida OR g7488$3 fora 1985 catalog /-P7: /NC ILNYUOISELEN/NB [v32][b-2-10-1-10]]//4 N/SN/C/NE EEC/ION NiNZN N/C ii N/SN/S p— LL ESErU BALSA UNLESS TIICPLY LA N/555540 SCANSN/Sail/a NE S/OCXEISEEsC/NPU N NAO/B 2 N/PA/NE SENIBS aOL NUNBEELSA PLAL NA SEC//OS 7 _ CAP2I FRENCO WORLD CLASS AN/ROBOTIC AiRCRAFT SPORT SCALE FOR 00 ON/SIONEOOROWN-RRAO SHEPHERD ALE SEEN/S SEEN/NON/N B/SN HE /NUASAa
Edition: Model Aviation - 1985/10
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 34, 35
NO OCR TEXT NO OCR TEXT IT IS PROBABLY safe say French friends across sea noncom fonnists outdone PiUs Stephens Lasers Zlins etc seem dominating full-size World Aerobatic Championships have designed aircraft appears ready put position attain coveted WC gold Giving up CAP 20 series nerobatic mounts due its shortcomings snap maneuvers entirely different ap proach used designing CAP 21 wing its highly unorthodox airfoil has highest aspect ratio world class mounts thats unusual considers some maneuvers Aresti pattern call fast roll rates What have done though come up aircraft rolls almost fast low speeds does high speeds no doubt due combination airfoil aspect ratio long ailerons Coming over 1000 pounds about 200 pounds heavier Pitts Lasers apparently does hurt its vertical capability competition maneuvers Go out sight doing vertical Left Theres certain beauty uncovered balsa model Keep sheeting wing tail medium-to-lIght category model has long tall moment its easy wind up tall-heavy arent careful Right right half cowl comes off easy access engine smoke system Plytabs blind nuts keep place Careful sanding results nice contours seen Left With battery up forward everything packed foam plenty room neat reliable Installation Note four maple hold-down blocks wing Right see sweepback angle exhaust/smoker ply tab cowl hold-down lip around bottom opening clearly visible lathe tin chute inside Text has details about smoker tin chute construction Left Wheel pants constructiced using roam giass cioin ana epoxy imore oeaiis TexTJ ins ianaing gear mica arier wing removed jig Right Lip edges air exit add realism Exhaust stacks aluminum tubes sunk balsa held epoxy glue Black dope around tubes simulates openings cowl Photos model author Leon Folse 28 Model Aviation rolls like Kermit Weeks Special will required box flying prototype F-WZCH showed up 1980 World Championships has since joined least two others F GAUP F-GAUK competed 1982 World Champs latter two aircraft have shorter ailerons no wheel pants slightly different canopies basic color turquoise blue strengthens idea Frenchmen noncomformists dont know other acro mounts turquoise originally intended build model based upon F-GAUP having turquoise heat-shrink covering decided build model F-WZCH prototype can find word describe airplane probably simplicity same attribute used designing model CAP 21 using balsa plywood sizes can readily obtained always nice able say model flew right off board Left Ready install engine engine mounT ana aii nookups rioie iarge air exim nole am rirewan Douom APPlY slow-curing epoxy inside compartment fuel proofing Right engine instailed ready go angle exhaust/smoker littie tricky author used cut-and-try method get just right before silver soldering joint Note fiberglass wrapping Left Registration etters wing bottom cut MonoKote luau ruuuuau uuura wula iui uruumi biack Sig decai sheet Right Fillets fair nicely trailing edge Angled balsa strips un tue wing MonoKote joints occur Left amnupue wire taum wneei uesemoiy mounieg srp aiieron horn reiiaoie ana smuray ne uiiivan came pusnroa usea resuimea neat installation Right Sullivan pushrod elevator horn Keep length cable outside fuselage short possible minimize cable flexing under flight loads jam nut snap link keeps cable turning changing trim air October 1985 29 Left pilot seated ready go Earphones chute straps add realism Black trim around canopy Sig Skybrite dont use ordinary dope will shrink canopy out shape Names dry transfer lettering flags hand-painted Right Ailerons have long horns flanges cutoff buried ailerons secured CyA Aileron pushrod links installed aftercovering single negative thing showing up Such case spring morning first test hop club now flying grass strip City Parks Department has allotted us Community Center Complex Still developing stages like golf course green fact little bumpy causes us hold some extra up-elevator accelerating tail-dragger bolted wing checked devises range-checked radio filled tanks fired-up engine After check ing-out throttle making sure engine sounded right plane linedupon strip throttle opened little right-rudder up-elevator fed About time broke ground engine went rich make matters interesting model too much aileron elevator throw Visions going back workbench flashed through mind model floundered around hair back neck standing straight out heart just beginning pump again after returning its proper place managed get model settled down made slow-climbing 1800 turn engine picked-up little sol decided make few turns landed model OK turned radios off walked around few minutes settle down refilled tanks aileron pushrods moved outer holes horns could adjust elevator clevis already outside hole recent education still fresh mind fired-up engine leaned little headed down strip hold ing much up-elevator air went self-respecting flying machine sup posed Ah sweet smell success force setup model typical of low-wing Pattern sport machines now flying anyone has flying mid-wing airplanes 30 Model Aviation Mulnurs pioneering efforts develop smoke system small two-stroke engines beginningto payoff Hes continuingwith experiments get smoke dense s MonoKote has roughened sandpaper applied low hen setting canopy tinted black RIT dye according instructions text vviin amour pumping away looks like full-size airplane taking off grass strip heart France Author relates sadly club lost beautiful flying site tennis players infiu encewiththecityfathersthanthe modelers 4 a4 /m //\N // 7 j\I /\I / 0/\-w/4 C. 4 \\ \ 4 4 IA 4 / 0 Lii N // _K cx w/7 1 0 cx m z 0 w Lii je4 4z 4 --J Jm Inaa jW-J a1m 0 N IA 4IA-J -J 4w m NJ N IA 4 IA October 1985 31 DOUBLER -1/8LITE PLY I/T6PLYCOWL CUT 2/64 PLY FILLET BASS 7/16 SI AS I/S DO i--CHUTEBOTTOMTOP sHEET-TRIANGLE TOP SN EET 1/16 PLY BAFFLC 1/8 TOP L BOTTOM F2 0 510 ZLIN CK 223WILLIANG- 2-5/8 PAINT SNAOFD AREA SLACKFI 1/4 PLY -1/2 BALSA1/ASHEET Fl1/8 PLY TABSA1 F2,COWLOUTLINE I-I F3 [v35][b233818900500]]II Cl U SlOE-BAYTIT I1/6 PENINO637OS-S BALSA&,. / S OR EQUI/RIELIANK ( 1/4 MOUNTRCVk II/BALSA-//SERNGS VVALSA ______ ____L.Ij I-1/%LY----7 _ SlIL&RC S 2-1/2RST 4I :I SMOKE TANKIC 0-DUBRO_BALL LINKS 1/2 BALSA~---CK 1/6 PLY TABS'~X~ 4-4051-1 1/6BALSA-1/6XITE J 0 PRATHER EM 3/32LY MORE BEND PATTERN1/6tITE PLY F-WZH FOAM 450 IBCSBCB-TA4IT ON F-GALIP&F-OAUK0 32 Model Aviation Full-Size Plans Available. See Page 164 TOO CAP2I N 001 tHEN AGE Hi]j4 Li LJLiLOUIS PENAERIC MULLER FUSELAGE DECORATIONS SHOWN ACTUAL SIZE C4C K, 3/H TRIANGLE I/ES I/I F61/N BALSAI/BSIOENOTE FlKEEP THE TAIL LIGHT! V E ALL MATERIAL BALSA /UNLESS SPECIFIED TELEVVF4 ELETNOTEVF4VF3 Dj _____ FIN ISilS BUILT -MAKE SURE LEN TA PIECES ARE ACCURATEVF3 Lo/____ _____LL$ -SHEET FIN WITH VF2l/H53/Hl/1HCGRAIH j TTPICALVF2 F5 I/H SO3/32RIBS 4--r 1b EETBENCHSCRAP TABCENTER SOFT BALSA L--------- ER _- 1 II__________ET*T4ECT~1 I_ I-V ULLIVAN NRC-S II II -- ------ 4J10_ 3/H TRIANGLE AL BEAR THU 3 3ThRASSJSI 6 \ INGE LOCATIONS SOFT BALSA NOTE TE BASIC FRENCH WORLD CLASS MEDIUMAEROBATIC A1RCRFi T3/H PORT SCALE FOR AO 1/HS I/2MEOIUMVI/HDESIGNEDDRAWN-BRAD SHEPHERD ROTTLE GOUGEf-'I-~ OUT SI23HN6 ALL RHUITS RESERVED N/NH f.L &44.L October 1985 33 long time going take little getting used Some up-elevator has fed doing knife-edge flight mid-wings require snap rolls very scalelike spin entry exit posi five outside loops snaps smoker going something behold find out model behaved low speeds took up about 200 ft cut back throttle watched slow speed thought would impossible airfoil stalling wouldnt recommend slowing too much land ing approach though instead keep some power until few feet off deck cut throttle let settle Dont surprised flight qualities CAP 21 design Naturally conceived challenger world class competition flying maneuvers way more-ordinary flying machines cant Hence super-responsive changes control surfaces same holds true model would recommend someone hasnt much experi ence flying all-out aerobatics mod el will anything book al though meant scare anyone off forewarned forearmed model lead sled will perform aerobatics well Although model little larger average 40 careful selection wood should result plane will full schedule cant begin give angles dimensions exhaust stack/smoke chamber due lack education geometry strictly cut-and-try eyeball thing silver-soldered together exits through tin chute made gallon can pipe fitters out rolling offset An old modeling friend Eldon Wilson gave some good ideas smoker have incorporated produce much denser smoke Instead steel wool use copper wool made car battery ground cable welding cable unravel copper wire bunch up like steel wool Thin-walled -in copper tubing four holes punched used smoker fluid inlet wheel pants shaped opencell foam beaded covered glass cloth slow-curing epoxy cured foam dug out wheel wells coat resin applied inside canopy tinted using black RIT dye hot boiling water large pan tip Claude McCul lough Dip canopy solution about 2 mm take out rinse cold water canopy needs darker repeat until correct shade obtained subject canopy going enter AMA Sport Scale contests theres potential problem pilot has glued-in before canopy glued-on order satisfy RC Sport Scale model requirement rule 53A3 specifies pilot must visible flight next sentence effectively says judges put blinders disregard pilot static judging can build sliding canopy care go trouble will able remove pilot figure static judging take care apparent contradiction also present rule para 53A53 glued-in seat parachute straps pilot figure before gluing-on canopy Hopefully judges can figure out what wont go step-by-step details constructing model will cover high points Most everything building model straightforward conven tional dimensions plans Wing three ways make set ribs cut out individually using patterns plans make ply root tip ribs carve stack blanks around cut wing panel foam using tip root ribs cut foam rib station trace around shape foam station last method probably accurate three care taken cutting foam Wing panels built right-side-up pin ning aft flat portion ribs bench bottom spar top sheeted position Panels glued together upside-down jigs after estab lishing long straight line work bench center-section sheeting bottom glued-in after dihedral braces ply sub-ribs wing mounting plate epoxied place landing gear assembly fitted after wing removed jigs rear ply plates top center-section sheet ing can glued place stabilizer built using leading trailing edges jigs applying sheeting pinned down elevators built flat board After pinning leading trailing edges down 1/16 sheet balsa glued place ribs scrap glued top sheet fuselage assembled over top view plans Remember shim under Former F4 turtledeck sheeting soaked water wrapped around Turtle Wax bottle tapered allowed dry overnight comes out almost exactly right curve turtledeck formers nice worked out huh Leave 4-in center section stab flat allows stab glued-in getting unwanted incidence Covering Super MonoKote used wing dont use heat-shrink material 3/32 x -in angle strips can omitted bottom fuselage covered light silkspan dope finish applied over registration lettering dry-transfer sheet flags painted colored dope Champion logo cut side spark plug box glued just about correct scale size Enjoy CAP 21 Its blast rememberit will everything book some things arent 34 Model Aviation full-size Inspiration model pictures courtesy Repla-Tech International Three-view drawings photographs documentatIon/detaIlIng can obtained company Repla-Tech 48500 McKenzie Hwy Vida OR g7488$3 fora 1985 catalog /-P7: /NC ILNYUOISELEN/NB [v32][b-2-10-1-10]]//4 N/SN/C/NE EEC/ION NiNZN N/C ii N/SN/S p— LL ESErU BALSA UNLESS TIICPLY LA N/555540 SCANSN/Sail/a NE S/OCXEISEEsC/NPU N NAO/B 2 N/PA/NE SENIBS aOL NUNBEELSA PLAL NA SEC//OS 7 _ CAP2I FRENCO WORLD CLASS AN/ROBOTIC AiRCRAFT SPORT SCALE FOR 00 ON/SIONEOOROWN-RRAO SHEPHERD ALE SEEN/S SEEN/NON/N B/SN HE /NUASAa
Edition: Model Aviation - 1985/10
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 34, 35
NO OCR TEXT NO OCR TEXT IT IS PROBABLY safe say French friends across sea noncom fonnists outdone PiUs Stephens Lasers Zlins etc seem dominating full-size World Aerobatic Championships have designed aircraft appears ready put position attain coveted WC gold Giving up CAP 20 series nerobatic mounts due its shortcomings snap maneuvers entirely different ap proach used designing CAP 21 wing its highly unorthodox airfoil has highest aspect ratio world class mounts thats unusual considers some maneuvers Aresti pattern call fast roll rates What have done though come up aircraft rolls almost fast low speeds does high speeds no doubt due combination airfoil aspect ratio long ailerons Coming over 1000 pounds about 200 pounds heavier Pitts Lasers apparently does hurt its vertical capability competition maneuvers Go out sight doing vertical Left Theres certain beauty uncovered balsa model Keep sheeting wing tail medium-to-lIght category model has long tall moment its easy wind up tall-heavy arent careful Right right half cowl comes off easy access engine smoke system Plytabs blind nuts keep place Careful sanding results nice contours seen Left With battery up forward everything packed foam plenty room neat reliable Installation Note four maple hold-down blocks wing Right see sweepback angle exhaust/smoker ply tab cowl hold-down lip around bottom opening clearly visible lathe tin chute inside Text has details about smoker tin chute construction Left Wheel pants constructiced using roam giass cioin ana epoxy imore oeaiis TexTJ ins ianaing gear mica arier wing removed jig Right Lip edges air exit add realism Exhaust stacks aluminum tubes sunk balsa held epoxy glue Black dope around tubes simulates openings cowl Photos model author Leon Folse 28 Model Aviation rolls like Kermit Weeks Special will required box flying prototype F-WZCH showed up 1980 World Championships has since joined least two others F GAUP F-GAUK competed 1982 World Champs latter two aircraft have shorter ailerons no wheel pants slightly different canopies basic color turquoise blue strengthens idea Frenchmen noncomformists dont know other acro mounts turquoise originally intended build model based upon F-GAUP having turquoise heat-shrink covering decided build model F-WZCH prototype can find word describe airplane probably simplicity same attribute used designing model CAP 21 using balsa plywood sizes can readily obtained always nice able say model flew right off board Left Ready install engine engine mounT ana aii nookups rioie iarge air exim nole am rirewan Douom APPlY slow-curing epoxy inside compartment fuel proofing Right engine instailed ready go angle exhaust/smoker littie tricky author used cut-and-try method get just right before silver soldering joint Note fiberglass wrapping Left Registration etters wing bottom cut MonoKote luau ruuuuau uuura wula iui uruumi biack Sig decai sheet Right Fillets fair nicely trailing edge Angled balsa strips un tue wing MonoKote joints occur Left amnupue wire taum wneei uesemoiy mounieg srp aiieron horn reiiaoie ana smuray ne uiiivan came pusnroa usea resuimea neat installation Right Sullivan pushrod elevator horn Keep length cable outside fuselage short possible minimize cable flexing under flight loads jam nut snap link keeps cable turning changing trim air October 1985 29 Left pilot seated ready go Earphones chute straps add realism Black trim around canopy Sig Skybrite dont use ordinary dope will shrink canopy out shape Names dry transfer lettering flags hand-painted Right Ailerons have long horns flanges cutoff buried ailerons secured CyA Aileron pushrod links installed aftercovering single negative thing showing up Such case spring morning first test hop club now flying grass strip City Parks Department has allotted us Community Center Complex Still developing stages like golf course green fact little bumpy causes us hold some extra up-elevator accelerating tail-dragger bolted wing checked devises range-checked radio filled tanks fired-up engine After check ing-out throttle making sure engine sounded right plane linedupon strip throttle opened little right-rudder up-elevator fed About time broke ground engine went rich make matters interesting model too much aileron elevator throw Visions going back workbench flashed through mind model floundered around hair back neck standing straight out heart just beginning pump again after returning its proper place managed get model settled down made slow-climbing 1800 turn engine picked-up little sol decided make few turns landed model OK turned radios off walked around few minutes settle down refilled tanks aileron pushrods moved outer holes horns could adjust elevator clevis already outside hole recent education still fresh mind fired-up engine leaned little headed down strip hold ing much up-elevator air went self-respecting flying machine sup posed Ah sweet smell success force setup model typical of low-wing Pattern sport machines now flying anyone has flying mid-wing airplanes 30 Model Aviation Mulnurs pioneering efforts develop smoke system small two-stroke engines beginningto payoff Hes continuingwith experiments get smoke dense s MonoKote has roughened sandpaper applied low hen setting canopy tinted black RIT dye according instructions text vviin amour pumping away looks like full-size airplane taking off grass strip heart France Author relates sadly club lost beautiful flying site tennis players infiu encewiththecityfathersthanthe modelers 4 a4 /m //\N // 7 j\I /\I / 0/\-w/4 C. 4 \\ \ 4 4 IA 4 / 0 Lii N // _K cx w/7 1 0 cx m z 0 w Lii je4 4z 4 --J Jm Inaa jW-J a1m 0 N IA 4IA-J -J 4w m NJ N IA 4 IA October 1985 31 DOUBLER -1/8LITE PLY I/T6PLYCOWL CUT 2/64 PLY FILLET BASS 7/16 SI AS I/S DO i--CHUTEBOTTOMTOP sHEET-TRIANGLE TOP SN EET 1/16 PLY BAFFLC 1/8 TOP L BOTTOM F2 0 510 ZLIN CK 223WILLIANG- 2-5/8 PAINT SNAOFD AREA SLACKFI 1/4 PLY -1/2 BALSA1/ASHEET Fl1/8 PLY TABSA1 F2,COWLOUTLINE I-I F3 [v35][b233818900500]]II Cl U SlOE-BAYTIT I1/6 PENINO637OS-S BALSA&,. / S OR EQUI/RIELIANK ( 1/4 MOUNTRCVk II/BALSA-//SERNGS VVALSA ______ ____L.Ij I-1/%LY----7 _ SlIL&RC S 2-1/2RST 4I :I SMOKE TANKIC 0-DUBRO_BALL LINKS 1/2 BALSA~---CK 1/6 PLY TABS'~X~ 4-4051-1 1/6BALSA-1/6XITE J 0 PRATHER EM 3/32LY MORE BEND PATTERN1/6tITE PLY F-WZH FOAM 450 IBCSBCB-TA4IT ON F-GALIP&F-OAUK0 32 Model Aviation Full-Size Plans Available. See Page 164 TOO CAP2I N 001 tHEN AGE Hi]j4 Li LJLiLOUIS PENAERIC MULLER FUSELAGE DECORATIONS SHOWN ACTUAL SIZE C4C K, 3/H TRIANGLE I/ES I/I F61/N BALSAI/BSIOENOTE FlKEEP THE TAIL LIGHT! V E ALL MATERIAL BALSA /UNLESS SPECIFIED TELEVVF4 ELETNOTEVF4VF3 Dj _____ FIN ISilS BUILT -MAKE SURE LEN TA PIECES ARE ACCURATEVF3 Lo/____ _____LL$ -SHEET FIN WITH VF2l/H53/Hl/1HCGRAIH j TTPICALVF2 F5 I/H SO3/32RIBS 4--r 1b EETBENCHSCRAP TABCENTER SOFT BALSA L--------- ER _- 1 II__________ET*T4ECT~1 I_ I-V ULLIVAN NRC-S II II -- ------ 4J10_ 3/H TRIANGLE AL BEAR THU 3 3ThRASSJSI 6 \ INGE LOCATIONS SOFT BALSA NOTE TE BASIC FRENCH WORLD CLASS MEDIUMAEROBATIC A1RCRFi T3/H PORT SCALE FOR AO 1/HS I/2MEOIUMVI/HDESIGNEDDRAWN-BRAD SHEPHERD ROTTLE GOUGEf-'I-~ OUT SI23HN6 ALL RHUITS RESERVED N/NH f.L &44.L October 1985 33 long time going take little getting used Some up-elevator has fed doing knife-edge flight mid-wings require snap rolls very scalelike spin entry exit posi five outside loops snaps smoker going something behold find out model behaved low speeds took up about 200 ft cut back throttle watched slow speed thought would impossible airfoil stalling wouldnt recommend slowing too much land ing approach though instead keep some power until few feet off deck cut throttle let settle Dont surprised flight qualities CAP 21 design Naturally conceived challenger world class competition flying maneuvers way more-ordinary flying machines cant Hence super-responsive changes control surfaces same holds true model would recommend someone hasnt much experi ence flying all-out aerobatics mod el will anything book al though meant scare anyone off forewarned forearmed model lead sled will perform aerobatics well Although model little larger average 40 careful selection wood should result plane will full schedule cant begin give angles dimensions exhaust stack/smoke chamber due lack education geometry strictly cut-and-try eyeball thing silver-soldered together exits through tin chute made gallon can pipe fitters out rolling offset An old modeling friend Eldon Wilson gave some good ideas smoker have incorporated produce much denser smoke Instead steel wool use copper wool made car battery ground cable welding cable unravel copper wire bunch up like steel wool Thin-walled -in copper tubing four holes punched used smoker fluid inlet wheel pants shaped opencell foam beaded covered glass cloth slow-curing epoxy cured foam dug out wheel wells coat resin applied inside canopy tinted using black RIT dye hot boiling water large pan tip Claude McCul lough Dip canopy solution about 2 mm take out rinse cold water canopy needs darker repeat until correct shade obtained subject canopy going enter AMA Sport Scale contests theres potential problem pilot has glued-in before canopy glued-on order satisfy RC Sport Scale model requirement rule 53A3 specifies pilot must visible flight next sentence effectively says judges put blinders disregard pilot static judging can build sliding canopy care go trouble will able remove pilot figure static judging take care apparent contradiction also present rule para 53A53 glued-in seat parachute straps pilot figure before gluing-on canopy Hopefully judges can figure out what wont go step-by-step details constructing model will cover high points Most everything building model straightforward conven tional dimensions plans Wing three ways make set ribs cut out individually using patterns plans make ply root tip ribs carve stack blanks around cut wing panel foam using tip root ribs cut foam rib station trace around shape foam station last method probably accurate three care taken cutting foam Wing panels built right-side-up pin ning aft flat portion ribs bench bottom spar top sheeted position Panels glued together upside-down jigs after estab lishing long straight line work bench center-section sheeting bottom glued-in after dihedral braces ply sub-ribs wing mounting plate epoxied place landing gear assembly fitted after wing removed jigs rear ply plates top center-section sheet ing can glued place stabilizer built using leading trailing edges jigs applying sheeting pinned down elevators built flat board After pinning leading trailing edges down 1/16 sheet balsa glued place ribs scrap glued top sheet fuselage assembled over top view plans Remember shim under Former F4 turtledeck sheeting soaked water wrapped around Turtle Wax bottle tapered allowed dry overnight comes out almost exactly right curve turtledeck formers nice worked out huh Leave 4-in center section stab flat allows stab glued-in getting unwanted incidence Covering Super MonoKote used wing dont use heat-shrink material 3/32 x -in angle strips can omitted bottom fuselage covered light silkspan dope finish applied over registration lettering dry-transfer sheet flags painted colored dope Champion logo cut side spark plug box glued just about correct scale size Enjoy CAP 21 Its blast rememberit will everything book some things arent 34 Model Aviation full-size Inspiration model pictures courtesy Repla-Tech International Three-view drawings photographs documentatIon/detaIlIng can obtained company Repla-Tech 48500 McKenzie Hwy Vida OR g7488$3 fora 1985 catalog /-P7: /NC ILNYUOISELEN/NB [v32][b-2-10-1-10]]//4 N/SN/C/NE EEC/ION NiNZN N/C ii N/SN/S p— LL ESErU BALSA UNLESS TIICPLY LA N/555540 SCANSN/Sail/a NE S/OCXEISEEsC/NPU N NAO/B 2 N/PA/NE SENIBS aOL NUNBEELSA PLAL NA SEC//OS 7 _ CAP2I FRENCO WORLD CLASS AN/ROBOTIC AiRCRAFT SPORT SCALE FOR 00 ON/SIONEOOROWN-RRAO SHEPHERD ALE SEEN/S SEEN/NON/N B/SN HE /NUASAa
Edition: Model Aviation - 1985/10
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 34, 35
NO OCR TEXT NO OCR TEXT IT IS PROBABLY safe say French friends across sea noncom fonnists outdone PiUs Stephens Lasers Zlins etc seem dominating full-size World Aerobatic Championships have designed aircraft appears ready put position attain coveted WC gold Giving up CAP 20 series nerobatic mounts due its shortcomings snap maneuvers entirely different ap proach used designing CAP 21 wing its highly unorthodox airfoil has highest aspect ratio world class mounts thats unusual considers some maneuvers Aresti pattern call fast roll rates What have done though come up aircraft rolls almost fast low speeds does high speeds no doubt due combination airfoil aspect ratio long ailerons Coming over 1000 pounds about 200 pounds heavier Pitts Lasers apparently does hurt its vertical capability competition maneuvers Go out sight doing vertical Left Theres certain beauty uncovered balsa model Keep sheeting wing tail medium-to-lIght category model has long tall moment its easy wind up tall-heavy arent careful Right right half cowl comes off easy access engine smoke system Plytabs blind nuts keep place Careful sanding results nice contours seen Left With battery up forward everything packed foam plenty room neat reliable Installation Note four maple hold-down blocks wing Right see sweepback angle exhaust/smoker ply tab cowl hold-down lip around bottom opening clearly visible lathe tin chute inside Text has details about smoker tin chute construction Left Wheel pants constructiced using roam giass cioin ana epoxy imore oeaiis TexTJ ins ianaing gear mica arier wing removed jig Right Lip edges air exit add realism Exhaust stacks aluminum tubes sunk balsa held epoxy glue Black dope around tubes simulates openings cowl Photos model author Leon Folse 28 Model Aviation rolls like Kermit Weeks Special will required box flying prototype F-WZCH showed up 1980 World Championships has since joined least two others F GAUP F-GAUK competed 1982 World Champs latter two aircraft have shorter ailerons no wheel pants slightly different canopies basic color turquoise blue strengthens idea Frenchmen noncomformists dont know other acro mounts turquoise originally intended build model based upon F-GAUP having turquoise heat-shrink covering decided build model F-WZCH prototype can find word describe airplane probably simplicity same attribute used designing model CAP 21 using balsa plywood sizes can readily obtained always nice able say model flew right off board Left Ready install engine engine mounT ana aii nookups rioie iarge air exim nole am rirewan Douom APPlY slow-curing epoxy inside compartment fuel proofing Right engine instailed ready go angle exhaust/smoker littie tricky author used cut-and-try method get just right before silver soldering joint Note fiberglass wrapping Left Registration etters wing bottom cut MonoKote luau ruuuuau uuura wula iui uruumi biack Sig decai sheet Right Fillets fair nicely trailing edge Angled balsa strips un tue wing MonoKote joints occur Left amnupue wire taum wneei uesemoiy mounieg srp aiieron horn reiiaoie ana smuray ne uiiivan came pusnroa usea resuimea neat installation Right Sullivan pushrod elevator horn Keep length cable outside fuselage short possible minimize cable flexing under flight loads jam nut snap link keeps cable turning changing trim air October 1985 29 Left pilot seated ready go Earphones chute straps add realism Black trim around canopy Sig Skybrite dont use ordinary dope will shrink canopy out shape Names dry transfer lettering flags hand-painted Right Ailerons have long horns flanges cutoff buried ailerons secured CyA Aileron pushrod links installed aftercovering single negative thing showing up Such case spring morning first test hop club now flying grass strip City Parks Department has allotted us Community Center Complex Still developing stages like golf course green fact little bumpy causes us hold some extra up-elevator accelerating tail-dragger bolted wing checked devises range-checked radio filled tanks fired-up engine After check ing-out throttle making sure engine sounded right plane linedupon strip throttle opened little right-rudder up-elevator fed About time broke ground engine went rich make matters interesting model too much aileron elevator throw Visions going back workbench flashed through mind model floundered around hair back neck standing straight out heart just beginning pump again after returning its proper place managed get model settled down made slow-climbing 1800 turn engine picked-up little sol decided make few turns landed model OK turned radios off walked around few minutes settle down refilled tanks aileron pushrods moved outer holes horns could adjust elevator clevis already outside hole recent education still fresh mind fired-up engine leaned little headed down strip hold ing much up-elevator air went self-respecting flying machine sup posed Ah sweet smell success force setup model typical of low-wing Pattern sport machines now flying anyone has flying mid-wing airplanes 30 Model Aviation Mulnurs pioneering efforts develop smoke system small two-stroke engines beginningto payoff Hes continuingwith experiments get smoke dense s MonoKote has roughened sandpaper applied low hen setting canopy tinted black RIT dye according instructions text vviin amour pumping away looks like full-size airplane taking off grass strip heart France Author relates sadly club lost beautiful flying site tennis players infiu encewiththecityfathersthanthe modelers 4 a4 /m //\N // 7 j\I /\I / 0/\-w/4 C. 4 \\ \ 4 4 IA 4 / 0 Lii N // _K cx w/7 1 0 cx m z 0 w Lii je4 4z 4 --J Jm Inaa jW-J a1m 0 N IA 4IA-J -J 4w m NJ N IA 4 IA October 1985 31 DOUBLER -1/8LITE PLY I/T6PLYCOWL CUT 2/64 PLY FILLET BASS 7/16 SI AS I/S DO i--CHUTEBOTTOMTOP sHEET-TRIANGLE TOP SN EET 1/16 PLY BAFFLC 1/8 TOP L BOTTOM F2 0 510 ZLIN CK 223WILLIANG- 2-5/8 PAINT SNAOFD AREA SLACKFI 1/4 PLY -1/2 BALSA1/ASHEET Fl1/8 PLY TABSA1 F2,COWLOUTLINE I-I F3 [v35][b233818900500]]II Cl U SlOE-BAYTIT I1/6 PENINO637OS-S BALSA&,. / S OR EQUI/RIELIANK ( 1/4 MOUNTRCVk II/BALSA-//SERNGS VVALSA ______ ____L.Ij I-1/%LY----7 _ SlIL&RC S 2-1/2RST 4I :I SMOKE TANKIC 0-DUBRO_BALL LINKS 1/2 BALSA~---CK 1/6 PLY TABS'~X~ 4-4051-1 1/6BALSA-1/6XITE J 0 PRATHER EM 3/32LY MORE BEND PATTERN1/6tITE PLY F-WZH FOAM 450 IBCSBCB-TA4IT ON F-GALIP&F-OAUK0 32 Model Aviation Full-Size Plans Available. See Page 164 TOO CAP2I N 001 tHEN AGE Hi]j4 Li LJLiLOUIS PENAERIC MULLER FUSELAGE DECORATIONS SHOWN ACTUAL SIZE C4C K, 3/H TRIANGLE I/ES I/I F61/N BALSAI/BSIOENOTE FlKEEP THE TAIL LIGHT! V E ALL MATERIAL BALSA /UNLESS SPECIFIED TELEVVF4 ELETNOTEVF4VF3 Dj _____ FIN ISilS BUILT -MAKE SURE LEN TA PIECES ARE ACCURATEVF3 Lo/____ _____LL$ -SHEET FIN WITH VF2l/H53/Hl/1HCGRAIH j TTPICALVF2 F5 I/H SO3/32RIBS 4--r 1b EETBENCHSCRAP TABCENTER SOFT BALSA L--------- ER _- 1 II__________ET*T4ECT~1 I_ I-V ULLIVAN NRC-S II II -- ------ 4J10_ 3/H TRIANGLE AL BEAR THU 3 3ThRASSJSI 6 \ INGE LOCATIONS SOFT BALSA NOTE TE BASIC FRENCH WORLD CLASS MEDIUMAEROBATIC A1RCRFi T3/H PORT SCALE FOR AO 1/HS I/2MEOIUMVI/HDESIGNEDDRAWN-BRAD SHEPHERD ROTTLE GOUGEf-'I-~ OUT SI23HN6 ALL RHUITS RESERVED N/NH f.L &44.L October 1985 33 long time going take little getting used Some up-elevator has fed doing knife-edge flight mid-wings require snap rolls very scalelike spin entry exit posi five outside loops snaps smoker going something behold find out model behaved low speeds took up about 200 ft cut back throttle watched slow speed thought would impossible airfoil stalling wouldnt recommend slowing too much land ing approach though instead keep some power until few feet off deck cut throttle let settle Dont surprised flight qualities CAP 21 design Naturally conceived challenger world class competition flying maneuvers way more-ordinary flying machines cant Hence super-responsive changes control surfaces same holds true model would recommend someone hasnt much experi ence flying all-out aerobatics mod el will anything book al though meant scare anyone off forewarned forearmed model lead sled will perform aerobatics well Although model little larger average 40 careful selection wood should result plane will full schedule cant begin give angles dimensions exhaust stack/smoke chamber due lack education geometry strictly cut-and-try eyeball thing silver-soldered together exits through tin chute made gallon can pipe fitters out rolling offset An old modeling friend Eldon Wilson gave some good ideas smoker have incorporated produce much denser smoke Instead steel wool use copper wool made car battery ground cable welding cable unravel copper wire bunch up like steel wool Thin-walled -in copper tubing four holes punched used smoker fluid inlet wheel pants shaped opencell foam beaded covered glass cloth slow-curing epoxy cured foam dug out wheel wells coat resin applied inside canopy tinted using black RIT dye hot boiling water large pan tip Claude McCul lough Dip canopy solution about 2 mm take out rinse cold water canopy needs darker repeat until correct shade obtained subject canopy going enter AMA Sport Scale contests theres potential problem pilot has glued-in before canopy glued-on order satisfy RC Sport Scale model requirement rule 53A3 specifies pilot must visible flight next sentence effectively says judges put blinders disregard pilot static judging can build sliding canopy care go trouble will able remove pilot figure static judging take care apparent contradiction also present rule para 53A53 glued-in seat parachute straps pilot figure before gluing-on canopy Hopefully judges can figure out what wont go step-by-step details constructing model will cover high points Most everything building model straightforward conven tional dimensions plans Wing three ways make set ribs cut out individually using patterns plans make ply root tip ribs carve stack blanks around cut wing panel foam using tip root ribs cut foam rib station trace around shape foam station last method probably accurate three care taken cutting foam Wing panels built right-side-up pin ning aft flat portion ribs bench bottom spar top sheeted position Panels glued together upside-down jigs after estab lishing long straight line work bench center-section sheeting bottom glued-in after dihedral braces ply sub-ribs wing mounting plate epoxied place landing gear assembly fitted after wing removed jigs rear ply plates top center-section sheet ing can glued place stabilizer built using leading trailing edges jigs applying sheeting pinned down elevators built flat board After pinning leading trailing edges down 1/16 sheet balsa glued place ribs scrap glued top sheet fuselage assembled over top view plans Remember shim under Former F4 turtledeck sheeting soaked water wrapped around Turtle Wax bottle tapered allowed dry overnight comes out almost exactly right curve turtledeck formers nice worked out huh Leave 4-in center section stab flat allows stab glued-in getting unwanted incidence Covering Super MonoKote used wing dont use heat-shrink material 3/32 x -in angle strips can omitted bottom fuselage covered light silkspan dope finish applied over registration lettering dry-transfer sheet flags painted colored dope Champion logo cut side spark plug box glued just about correct scale size Enjoy CAP 21 Its blast rememberit will everything book some things arent 34 Model Aviation full-size Inspiration model pictures courtesy Repla-Tech International Three-view drawings photographs documentatIon/detaIlIng can obtained company Repla-Tech 48500 McKenzie Hwy Vida OR g7488$3 fora 1985 catalog /-P7: /NC ILNYUOISELEN/NB [v32][b-2-10-1-10]]//4 N/SN/C/NE EEC/ION NiNZN N/C ii N/SN/S p— LL ESErU BALSA UNLESS TIICPLY LA N/555540 SCANSN/Sail/a NE S/OCXEISEEsC/NPU N NAO/B 2 N/PA/NE SENIBS aOL NUNBEELSA PLAL NA SEC//OS 7 _ CAP2I FRENCO WORLD CLASS AN/ROBOTIC AiRCRAFT SPORT SCALE FOR 00 ON/SIONEOOROWN-RRAO SHEPHERD ALE SEEN/S SEEN/NON/N B/SN HE /NUASAa
Edition: Model Aviation - 1985/10
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 34, 35
NO OCR TEXT NO OCR TEXT IT IS PROBABLY safe say French friends across sea noncom fonnists outdone PiUs Stephens Lasers Zlins etc seem dominating full-size World Aerobatic Championships have designed aircraft appears ready put position attain coveted WC gold Giving up CAP 20 series nerobatic mounts due its shortcomings snap maneuvers entirely different ap proach used designing CAP 21 wing its highly unorthodox airfoil has highest aspect ratio world class mounts thats unusual considers some maneuvers Aresti pattern call fast roll rates What have done though come up aircraft rolls almost fast low speeds does high speeds no doubt due combination airfoil aspect ratio long ailerons Coming over 1000 pounds about 200 pounds heavier Pitts Lasers apparently does hurt its vertical capability competition maneuvers Go out sight doing vertical Left Theres certain beauty uncovered balsa model Keep sheeting wing tail medium-to-lIght category model has long tall moment its easy wind up tall-heavy arent careful Right right half cowl comes off easy access engine smoke system Plytabs blind nuts keep place Careful sanding results nice contours seen Left With battery up forward everything packed foam plenty room neat reliable Installation Note four maple hold-down blocks wing Right see sweepback angle exhaust/smoker ply tab cowl hold-down lip around bottom opening clearly visible lathe tin chute inside Text has details about smoker tin chute construction Left Wheel pants constructiced using roam giass cioin ana epoxy imore oeaiis TexTJ ins ianaing gear mica arier wing removed jig Right Lip edges air exit add realism Exhaust stacks aluminum tubes sunk balsa held epoxy glue Black dope around tubes simulates openings cowl Photos model author Leon Folse 28 Model Aviation rolls like Kermit Weeks Special will required box flying prototype F-WZCH showed up 1980 World Championships has since joined least two others F GAUP F-GAUK competed 1982 World Champs latter two aircraft have shorter ailerons no wheel pants slightly different canopies basic color turquoise blue strengthens idea Frenchmen noncomformists dont know other acro mounts turquoise originally intended build model based upon F-GAUP having turquoise heat-shrink covering decided build model F-WZCH prototype can find word describe airplane probably simplicity same attribute used designing model CAP 21 using balsa plywood sizes can readily obtained always nice able say model flew right off board Left Ready install engine engine mounT ana aii nookups rioie iarge air exim nole am rirewan Douom APPlY slow-curing epoxy inside compartment fuel proofing Right engine instailed ready go angle exhaust/smoker littie tricky author used cut-and-try method get just right before silver soldering joint Note fiberglass wrapping Left Registration etters wing bottom cut MonoKote luau ruuuuau uuura wula iui uruumi biack Sig decai sheet Right Fillets fair nicely trailing edge Angled balsa strips un tue wing MonoKote joints occur Left amnupue wire taum wneei uesemoiy mounieg srp aiieron horn reiiaoie ana smuray ne uiiivan came pusnroa usea resuimea neat installation Right Sullivan pushrod elevator horn Keep length cable outside fuselage short possible minimize cable flexing under flight loads jam nut snap link keeps cable turning changing trim air October 1985 29 Left pilot seated ready go Earphones chute straps add realism Black trim around canopy Sig Skybrite dont use ordinary dope will shrink canopy out shape Names dry transfer lettering flags hand-painted Right Ailerons have long horns flanges cutoff buried ailerons secured CyA Aileron pushrod links installed aftercovering single negative thing showing up Such case spring morning first test hop club now flying grass strip City Parks Department has allotted us Community Center Complex Still developing stages like golf course green fact little bumpy causes us hold some extra up-elevator accelerating tail-dragger bolted wing checked devises range-checked radio filled tanks fired-up engine After check ing-out throttle making sure engine sounded right plane linedupon strip throttle opened little right-rudder up-elevator fed About time broke ground engine went rich make matters interesting model too much aileron elevator throw Visions going back workbench flashed through mind model floundered around hair back neck standing straight out heart just beginning pump again after returning its proper place managed get model settled down made slow-climbing 1800 turn engine picked-up little sol decided make few turns landed model OK turned radios off walked around few minutes settle down refilled tanks aileron pushrods moved outer holes horns could adjust elevator clevis already outside hole recent education still fresh mind fired-up engine leaned little headed down strip hold ing much up-elevator air went self-respecting flying machine sup posed Ah sweet smell success force setup model typical of low-wing Pattern sport machines now flying anyone has flying mid-wing airplanes 30 Model Aviation Mulnurs pioneering efforts develop smoke system small two-stroke engines beginningto payoff Hes continuingwith experiments get smoke dense s MonoKote has roughened sandpaper applied low hen setting canopy tinted black RIT dye according instructions text vviin amour pumping away looks like full-size airplane taking off grass strip heart France Author relates sadly club lost beautiful flying site tennis players infiu encewiththecityfathersthanthe modelers 4 a4 /m //\N // 7 j\I /\I / 0/\-w/4 C. 4 \\ \ 4 4 IA 4 / 0 Lii N // _K cx w/7 1 0 cx m z 0 w Lii je4 4z 4 --J Jm Inaa jW-J a1m 0 N IA 4IA-J -J 4w m NJ N IA 4 IA October 1985 31 DOUBLER -1/8LITE PLY I/T6PLYCOWL CUT 2/64 PLY FILLET BASS 7/16 SI AS I/S DO i--CHUTEBOTTOMTOP sHEET-TRIANGLE TOP SN EET 1/16 PLY BAFFLC 1/8 TOP L BOTTOM F2 0 510 ZLIN CK 223WILLIANG- 2-5/8 PAINT SNAOFD AREA SLACKFI 1/4 PLY -1/2 BALSA1/ASHEET Fl1/8 PLY TABSA1 F2,COWLOUTLINE I-I F3 [v35][b233818900500]]II Cl U SlOE-BAYTIT I1/6 PENINO637OS-S BALSA&,. / S OR EQUI/RIELIANK ( 1/4 MOUNTRCVk II/BALSA-//SERNGS VVALSA ______ ____L.Ij I-1/%LY----7 _ SlIL&RC S 2-1/2RST 4I :I SMOKE TANKIC 0-DUBRO_BALL LINKS 1/2 BALSA~---CK 1/6 PLY TABS'~X~ 4-4051-1 1/6BALSA-1/6XITE J 0 PRATHER EM 3/32LY MORE BEND PATTERN1/6tITE PLY F-WZH FOAM 450 IBCSBCB-TA4IT ON F-GALIP&F-OAUK0 32 Model Aviation Full-Size Plans Available. See Page 164 TOO CAP2I N 001 tHEN AGE Hi]j4 Li LJLiLOUIS PENAERIC MULLER FUSELAGE DECORATIONS SHOWN ACTUAL SIZE C4C K, 3/H TRIANGLE I/ES I/I F61/N BALSAI/BSIOENOTE FlKEEP THE TAIL LIGHT! V E ALL MATERIAL BALSA /UNLESS SPECIFIED TELEVVF4 ELETNOTEVF4VF3 Dj _____ FIN ISilS BUILT -MAKE SURE LEN TA PIECES ARE ACCURATEVF3 Lo/____ _____LL$ -SHEET FIN WITH VF2l/H53/Hl/1HCGRAIH j TTPICALVF2 F5 I/H SO3/32RIBS 4--r 1b EETBENCHSCRAP TABCENTER SOFT BALSA L--------- ER _- 1 II__________ET*T4ECT~1 I_ I-V ULLIVAN NRC-S II II -- ------ 4J10_ 3/H TRIANGLE AL BEAR THU 3 3ThRASSJSI 6 \ INGE LOCATIONS SOFT BALSA NOTE TE BASIC FRENCH WORLD CLASS MEDIUMAEROBATIC A1RCRFi T3/H PORT SCALE FOR AO 1/HS I/2MEOIUMVI/HDESIGNEDDRAWN-BRAD SHEPHERD ROTTLE GOUGEf-'I-~ OUT SI23HN6 ALL RHUITS RESERVED N/NH f.L &44.L October 1985 33 long time going take little getting used Some up-elevator has fed doing knife-edge flight mid-wings require snap rolls very scalelike spin entry exit posi five outside loops snaps smoker going something behold find out model behaved low speeds took up about 200 ft cut back throttle watched slow speed thought would impossible airfoil stalling wouldnt recommend slowing too much land ing approach though instead keep some power until few feet off deck cut throttle let settle Dont surprised flight qualities CAP 21 design Naturally conceived challenger world class competition flying maneuvers way more-ordinary flying machines cant Hence super-responsive changes control surfaces same holds true model would recommend someone hasnt much experi ence flying all-out aerobatics mod el will anything book al though meant scare anyone off forewarned forearmed model lead sled will perform aerobatics well Although model little larger average 40 careful selection wood should result plane will full schedule cant begin give angles dimensions exhaust stack/smoke chamber due lack education geometry strictly cut-and-try eyeball thing silver-soldered together exits through tin chute made gallon can pipe fitters out rolling offset An old modeling friend Eldon Wilson gave some good ideas smoker have incorporated produce much denser smoke Instead steel wool use copper wool made car battery ground cable welding cable unravel copper wire bunch up like steel wool Thin-walled -in copper tubing four holes punched used smoker fluid inlet wheel pants shaped opencell foam beaded covered glass cloth slow-curing epoxy cured foam dug out wheel wells coat resin applied inside canopy tinted using black RIT dye hot boiling water large pan tip Claude McCul lough Dip canopy solution about 2 mm take out rinse cold water canopy needs darker repeat until correct shade obtained subject canopy going enter AMA Sport Scale contests theres potential problem pilot has glued-in before canopy glued-on order satisfy RC Sport Scale model requirement rule 53A3 specifies pilot must visible flight next sentence effectively says judges put blinders disregard pilot static judging can build sliding canopy care go trouble will able remove pilot figure static judging take care apparent contradiction also present rule para 53A53 glued-in seat parachute straps pilot figure before gluing-on canopy Hopefully judges can figure out what wont go step-by-step details constructing model will cover high points Most everything building model straightforward conven tional dimensions plans Wing three ways make set ribs cut out individually using patterns plans make ply root tip ribs carve stack blanks around cut wing panel foam using tip root ribs cut foam rib station trace around shape foam station last method probably accurate three care taken cutting foam Wing panels built right-side-up pin ning aft flat portion ribs bench bottom spar top sheeted position Panels glued together upside-down jigs after estab lishing long straight line work bench center-section sheeting bottom glued-in after dihedral braces ply sub-ribs wing mounting plate epoxied place landing gear assembly fitted after wing removed jigs rear ply plates top center-section sheet ing can glued place stabilizer built using leading trailing edges jigs applying sheeting pinned down elevators built flat board After pinning leading trailing edges down 1/16 sheet balsa glued place ribs scrap glued top sheet fuselage assembled over top view plans Remember shim under Former F4 turtledeck sheeting soaked water wrapped around Turtle Wax bottle tapered allowed dry overnight comes out almost exactly right curve turtledeck formers nice worked out huh Leave 4-in center section stab flat allows stab glued-in getting unwanted incidence Covering Super MonoKote used wing dont use heat-shrink material 3/32 x -in angle strips can omitted bottom fuselage covered light silkspan dope finish applied over registration lettering dry-transfer sheet flags painted colored dope Champion logo cut side spark plug box glued just about correct scale size Enjoy CAP 21 Its blast rememberit will everything book some things arent 34 Model Aviation full-size Inspiration model pictures courtesy Repla-Tech International Three-view drawings photographs documentatIon/detaIlIng can obtained company Repla-Tech 48500 McKenzie Hwy Vida OR g7488$3 fora 1985 catalog /-P7: /NC ILNYUOISELEN/NB [v32][b-2-10-1-10]]//4 N/SN/C/NE EEC/ION NiNZN N/C ii N/SN/S p— LL ESErU BALSA UNLESS TIICPLY LA N/555540 SCANSN/Sail/a NE S/OCXEISEEsC/NPU N NAO/B 2 N/PA/NE SENIBS aOL NUNBEELSA PLAL NA SEC//OS 7 _ CAP2I FRENCO WORLD CLASS AN/ROBOTIC AiRCRAFT SPORT SCALE FOR 00 ON/SIONEOOROWN-RRAO SHEPHERD ALE SEEN/S SEEN/NON/N B/SN HE /NUASAa
Edition: Model Aviation - 1985/10
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 34, 35
NO OCR TEXT NO OCR TEXT IT IS PROBABLY safe say French friends across sea noncom fonnists outdone PiUs Stephens Lasers Zlins etc seem dominating full-size World Aerobatic Championships have designed aircraft appears ready put position attain coveted WC gold Giving up CAP 20 series nerobatic mounts due its shortcomings snap maneuvers entirely different ap proach used designing CAP 21 wing its highly unorthodox airfoil has highest aspect ratio world class mounts thats unusual considers some maneuvers Aresti pattern call fast roll rates What have done though come up aircraft rolls almost fast low speeds does high speeds no doubt due combination airfoil aspect ratio long ailerons Coming over 1000 pounds about 200 pounds heavier Pitts Lasers apparently does hurt its vertical capability competition maneuvers Go out sight doing vertical Left Theres certain beauty uncovered balsa model Keep sheeting wing tail medium-to-lIght category model has long tall moment its easy wind up tall-heavy arent careful Right right half cowl comes off easy access engine smoke system Plytabs blind nuts keep place Careful sanding results nice contours seen Left With battery up forward everything packed foam plenty room neat reliable Installation Note four maple hold-down blocks wing Right see sweepback angle exhaust/smoker ply tab cowl hold-down lip around bottom opening clearly visible lathe tin chute inside Text has details about smoker tin chute construction Left Wheel pants constructiced using roam giass cioin ana epoxy imore oeaiis TexTJ ins ianaing gear mica arier wing removed jig Right Lip edges air exit add realism Exhaust stacks aluminum tubes sunk balsa held epoxy glue Black dope around tubes simulates openings cowl Photos model author Leon Folse 28 Model Aviation rolls like Kermit Weeks Special will required box flying prototype F-WZCH showed up 1980 World Championships has since joined least two others F GAUP F-GAUK competed 1982 World Champs latter two aircraft have shorter ailerons no wheel pants slightly different canopies basic color turquoise blue strengthens idea Frenchmen noncomformists dont know other acro mounts turquoise originally intended build model based upon F-GAUP having turquoise heat-shrink covering decided build model F-WZCH prototype can find word describe airplane probably simplicity same attribute used designing model CAP 21 using balsa plywood sizes can readily obtained always nice able say model flew right off board Left Ready install engine engine mounT ana aii nookups rioie iarge air exim nole am rirewan Douom APPlY slow-curing epoxy inside compartment fuel proofing Right engine instailed ready go angle exhaust/smoker littie tricky author used cut-and-try method get just right before silver soldering joint Note fiberglass wrapping Left Registration etters wing bottom cut MonoKote luau ruuuuau uuura wula iui uruumi biack Sig decai sheet Right Fillets fair nicely trailing edge Angled balsa strips un tue wing MonoKote joints occur Left amnupue wire taum wneei uesemoiy mounieg srp aiieron horn reiiaoie ana smuray ne uiiivan came pusnroa usea resuimea neat installation Right Sullivan pushrod elevator horn Keep length cable outside fuselage short possible minimize cable flexing under flight loads jam nut snap link keeps cable turning changing trim air October 1985 29 Left pilot seated ready go Earphones chute straps add realism Black trim around canopy Sig Skybrite dont use ordinary dope will shrink canopy out shape Names dry transfer lettering flags hand-painted Right Ailerons have long horns flanges cutoff buried ailerons secured CyA Aileron pushrod links installed aftercovering single negative thing showing up Such case spring morning first test hop club now flying grass strip City Parks Department has allotted us Community Center Complex Still developing stages like golf course green fact little bumpy causes us hold some extra up-elevator accelerating tail-dragger bolted wing checked devises range-checked radio filled tanks fired-up engine After check ing-out throttle making sure engine sounded right plane linedupon strip throttle opened little right-rudder up-elevator fed About time broke ground engine went rich make matters interesting model too much aileron elevator throw Visions going back workbench flashed through mind model floundered around hair back neck standing straight out heart just beginning pump again after returning its proper place managed get model settled down made slow-climbing 1800 turn engine picked-up little sol decided make few turns landed model OK turned radios off walked around few minutes settle down refilled tanks aileron pushrods moved outer holes horns could adjust elevator clevis already outside hole recent education still fresh mind fired-up engine leaned little headed down strip hold ing much up-elevator air went self-respecting flying machine sup posed Ah sweet smell success force setup model typical of low-wing Pattern sport machines now flying anyone has flying mid-wing airplanes 30 Model Aviation Mulnurs pioneering efforts develop smoke system small two-stroke engines beginningto payoff Hes continuingwith experiments get smoke dense s MonoKote has roughened sandpaper applied low hen setting canopy tinted black RIT dye according instructions text vviin amour pumping away looks like full-size airplane taking off grass strip heart France Author relates sadly club lost beautiful flying site tennis players infiu encewiththecityfathersthanthe modelers 4 a4 /m //\N // 7 j\I /\I / 0/\-w/4 C. 4 \\ \ 4 4 IA 4 / 0 Lii N // _K cx w/7 1 0 cx m z 0 w Lii je4 4z 4 --J Jm Inaa jW-J a1m 0 N IA 4IA-J -J 4w m NJ N IA 4 IA October 1985 31 DOUBLER -1/8LITE PLY I/T6PLYCOWL CUT 2/64 PLY FILLET BASS 7/16 SI AS I/S DO i--CHUTEBOTTOMTOP sHEET-TRIANGLE TOP SN EET 1/16 PLY BAFFLC 1/8 TOP L BOTTOM F2 0 510 ZLIN CK 223WILLIANG- 2-5/8 PAINT SNAOFD AREA SLACKFI 1/4 PLY -1/2 BALSA1/ASHEET Fl1/8 PLY TABSA1 F2,COWLOUTLINE I-I F3 [v35][b233818900500]]II Cl U SlOE-BAYTIT I1/6 PENINO637OS-S BALSA&,. / S OR EQUI/RIELIANK ( 1/4 MOUNTRCVk II/BALSA-//SERNGS VVALSA ______ ____L.Ij I-1/%LY----7 _ SlIL&RC S 2-1/2RST 4I :I SMOKE TANKIC 0-DUBRO_BALL LINKS 1/2 BALSA~---CK 1/6 PLY TABS'~X~ 4-4051-1 1/6BALSA-1/6XITE J 0 PRATHER EM 3/32LY MORE BEND PATTERN1/6tITE PLY F-WZH FOAM 450 IBCSBCB-TA4IT ON F-GALIP&F-OAUK0 32 Model Aviation Full-Size Plans Available. See Page 164 TOO CAP2I N 001 tHEN AGE Hi]j4 Li LJLiLOUIS PENAERIC MULLER FUSELAGE DECORATIONS SHOWN ACTUAL SIZE C4C K, 3/H TRIANGLE I/ES I/I F61/N BALSAI/BSIOENOTE FlKEEP THE TAIL LIGHT! V E ALL MATERIAL BALSA /UNLESS SPECIFIED TELEVVF4 ELETNOTEVF4VF3 Dj _____ FIN ISilS BUILT -MAKE SURE LEN TA PIECES ARE ACCURATEVF3 Lo/____ _____LL$ -SHEET FIN WITH VF2l/H53/Hl/1HCGRAIH j TTPICALVF2 F5 I/H SO3/32RIBS 4--r 1b EETBENCHSCRAP TABCENTER SOFT BALSA L--------- ER _- 1 II__________ET*T4ECT~1 I_ I-V ULLIVAN NRC-S II II -- ------ 4J10_ 3/H TRIANGLE AL BEAR THU 3 3ThRASSJSI 6 \ INGE LOCATIONS SOFT BALSA NOTE TE BASIC FRENCH WORLD CLASS MEDIUMAEROBATIC A1RCRFi T3/H PORT SCALE FOR AO 1/HS I/2MEOIUMVI/HDESIGNEDDRAWN-BRAD SHEPHERD ROTTLE GOUGEf-'I-~ OUT SI23HN6 ALL RHUITS RESERVED N/NH f.L &44.L October 1985 33 long time going take little getting used Some up-elevator has fed doing knife-edge flight mid-wings require snap rolls very scalelike spin entry exit posi five outside loops snaps smoker going something behold find out model behaved low speeds took up about 200 ft cut back throttle watched slow speed thought would impossible airfoil stalling wouldnt recommend slowing too much land ing approach though instead keep some power until few feet off deck cut throttle let settle Dont surprised flight qualities CAP 21 design Naturally conceived challenger world class competition flying maneuvers way more-ordinary flying machines cant Hence super-responsive changes control surfaces same holds true model would recommend someone hasnt much experi ence flying all-out aerobatics mod el will anything book al though meant scare anyone off forewarned forearmed model lead sled will perform aerobatics well Although model little larger average 40 careful selection wood should result plane will full schedule cant begin give angles dimensions exhaust stack/smoke chamber due lack education geometry strictly cut-and-try eyeball thing silver-soldered together exits through tin chute made gallon can pipe fitters out rolling offset An old modeling friend Eldon Wilson gave some good ideas smoker have incorporated produce much denser smoke Instead steel wool use copper wool made car battery ground cable welding cable unravel copper wire bunch up like steel wool Thin-walled -in copper tubing four holes punched used smoker fluid inlet wheel pants shaped opencell foam beaded covered glass cloth slow-curing epoxy cured foam dug out wheel wells coat resin applied inside canopy tinted using black RIT dye hot boiling water large pan tip Claude McCul lough Dip canopy solution about 2 mm take out rinse cold water canopy needs darker repeat until correct shade obtained subject canopy going enter AMA Sport Scale contests theres potential problem pilot has glued-in before canopy glued-on order satisfy RC Sport Scale model requirement rule 53A3 specifies pilot must visible flight next sentence effectively says judges put blinders disregard pilot static judging can build sliding canopy care go trouble will able remove pilot figure static judging take care apparent contradiction also present rule para 53A53 glued-in seat parachute straps pilot figure before gluing-on canopy Hopefully judges can figure out what wont go step-by-step details constructing model will cover high points Most everything building model straightforward conven tional dimensions plans Wing three ways make set ribs cut out individually using patterns plans make ply root tip ribs carve stack blanks around cut wing panel foam using tip root ribs cut foam rib station trace around shape foam station last method probably accurate three care taken cutting foam Wing panels built right-side-up pin ning aft flat portion ribs bench bottom spar top sheeted position Panels glued together upside-down jigs after estab lishing long straight line work bench center-section sheeting bottom glued-in after dihedral braces ply sub-ribs wing mounting plate epoxied place landing gear assembly fitted after wing removed jigs rear ply plates top center-section sheet ing can glued place stabilizer built using leading trailing edges jigs applying sheeting pinned down elevators built flat board After pinning leading trailing edges down 1/16 sheet balsa glued place ribs scrap glued top sheet fuselage assembled over top view plans Remember shim under Former F4 turtledeck sheeting soaked water wrapped around Turtle Wax bottle tapered allowed dry overnight comes out almost exactly right curve turtledeck formers nice worked out huh Leave 4-in center section stab flat allows stab glued-in getting unwanted incidence Covering Super MonoKote used wing dont use heat-shrink material 3/32 x -in angle strips can omitted bottom fuselage covered light silkspan dope finish applied over registration lettering dry-transfer sheet flags painted colored dope Champion logo cut side spark plug box glued just about correct scale size Enjoy CAP 21 Its blast rememberit will everything book some things arent 34 Model Aviation full-size Inspiration model pictures courtesy Repla-Tech International Three-view drawings photographs documentatIon/detaIlIng can obtained company Repla-Tech 48500 McKenzie Hwy Vida OR g7488$3 fora 1985 catalog /-P7: /NC ILNYUOISELEN/NB [v32][b-2-10-1-10]]//4 N/SN/C/NE EEC/ION NiNZN N/C ii N/SN/S p— LL ESErU BALSA UNLESS TIICPLY LA N/555540 SCANSN/Sail/a NE S/OCXEISEEsC/NPU N NAO/B 2 N/PA/NE SENIBS aOL NUNBEELSA PLAL NA SEC//OS 7 _ CAP2I FRENCO WORLD CLASS AN/ROBOTIC AiRCRAFT SPORT SCALE FOR 00 ON/SIONEOOROWN-RRAO SHEPHERD ALE SEEN/S SEEN/NON/N B/SN HE /NUASAa
Edition: Model Aviation - 1985/10
Page Numbers: 26, 27, 28, 29, 30, 31, 32, 33, 34, 35
NO OCR TEXT NO OCR TEXT IT IS PROBABLY safe say French friends across sea noncom fonnists outdone PiUs Stephens Lasers Zlins etc seem dominating full-size World Aerobatic Championships have designed aircraft appears ready put position attain coveted WC gold Giving up CAP 20 series nerobatic mounts due its shortcomings snap maneuvers entirely different ap proach used designing CAP 21 wing its highly unorthodox airfoil has highest aspect ratio world class mounts thats unusual considers some maneuvers Aresti pattern call fast roll rates What have done though come up aircraft rolls almost fast low speeds does high speeds no doubt due combination airfoil aspect ratio long ailerons Coming over 1000 pounds about 200 pounds heavier Pitts Lasers apparently does hurt its vertical capability competition maneuvers Go out sight doing vertical Left Theres certain beauty uncovered balsa model Keep sheeting wing tail medium-to-lIght category model has long tall moment its easy wind up tall-heavy arent careful Right right half cowl comes off easy access engine smoke system Plytabs blind nuts keep place Careful sanding results nice contours seen Left With battery up forward everything packed foam plenty room neat reliable Installation Note four maple hold-down blocks wing Right see sweepback angle exhaust/smoker ply tab cowl hold-down lip around bottom opening clearly visible lathe tin chute inside Text has details about smoker tin chute construction Left Wheel pants constructiced using roam giass cioin ana epoxy imore oeaiis TexTJ ins ianaing gear mica arier wing removed jig Right Lip edges air exit add realism Exhaust stacks aluminum tubes sunk balsa held epoxy glue Black dope around tubes simulates openings cowl Photos model author Leon Folse 28 Model Aviation rolls like Kermit Weeks Special will required box flying prototype F-WZCH showed up 1980 World Championships has since joined least two others F GAUP F-GAUK competed 1982 World Champs latter two aircraft have shorter ailerons no wheel pants slightly different canopies basic color turquoise blue strengthens idea Frenchmen noncomformists dont know other acro mounts turquoise originally intended build model based upon F-GAUP having turquoise heat-shrink covering decided build model F-WZCH prototype can find word describe airplane probably simplicity same attribute used designing model CAP 21 using balsa plywood sizes can readily obtained always nice able say model flew right off board Left Ready install engine engine mounT ana aii nookups rioie iarge air exim nole am rirewan Douom APPlY slow-curing epoxy inside compartment fuel proofing Right engine instailed ready go angle exhaust/smoker littie tricky author used cut-and-try method get just right before silver soldering joint Note fiberglass wrapping Left Registration etters wing bottom cut MonoKote luau ruuuuau uuura wula iui uruumi biack Sig decai sheet Right Fillets fair nicely trailing edge Angled balsa strips un tue wing MonoKote joints occur Left amnupue wire taum wneei uesemoiy mounieg srp aiieron horn reiiaoie ana smuray ne uiiivan came pusnroa usea resuimea neat installation Right Sullivan pushrod elevator horn Keep length cable outside fuselage short possible minimize cable flexing under flight loads jam nut snap link keeps cable turning changing trim air October 1985 29 Left pilot seated ready go Earphones chute straps add realism Black trim around canopy Sig Skybrite dont use ordinary dope will shrink canopy out shape Names dry transfer lettering flags hand-painted Right Ailerons have long horns flanges cutoff buried ailerons secured CyA Aileron pushrod links installed aftercovering single negative thing showing up Such case spring morning first test hop club now flying grass strip City Parks Department has allotted us Community Center Complex Still developing stages like golf course green fact little bumpy causes us hold some extra up-elevator accelerating tail-dragger bolted wing checked devises range-checked radio filled tanks fired-up engine After check ing-out throttle making sure engine sounded right plane linedupon strip throttle opened little right-rudder up-elevator fed About time broke ground engine went rich make matters interesting model too much aileron elevator throw Visions going back workbench flashed through mind model floundered around hair back neck standing straight out heart just beginning pump again after returning its proper place managed get model settled down made slow-climbing 1800 turn engine picked-up little sol decided make few turns landed model OK turned radios off walked around few minutes settle down refilled tanks aileron pushrods moved outer holes horns could adjust elevator clevis already outside hole recent education still fresh mind fired-up engine leaned little headed down strip hold ing much up-elevator air went self-respecting flying machine sup posed Ah sweet smell success force setup model typical of low-wing Pattern sport machines now flying anyone has flying mid-wing airplanes 30 Model Aviation Mulnurs pioneering efforts develop smoke system small two-stroke engines beginningto payoff Hes continuingwith experiments get smoke dense s MonoKote has roughened sandpaper applied low hen setting canopy tinted black RIT dye according instructions text vviin amour pumping away looks like full-size airplane taking off grass strip heart France Author relates sadly club lost beautiful flying site tennis players infiu encewiththecityfathersthanthe modelers 4 a4 /m //\N // 7 j\I /\I / 0/\-w/4 C. 4 \\ \ 4 4 IA 4 / 0 Lii N // _K cx w/7 1 0 cx m z 0 w Lii je4 4z 4 --J Jm Inaa jW-J a1m 0 N IA 4IA-J -J 4w m NJ N IA 4 IA October 1985 31 DOUBLER -1/8LITE PLY I/T6PLYCOWL CUT 2/64 PLY FILLET BASS 7/16 SI AS I/S DO i--CHUTEBOTTOMTOP sHEET-TRIANGLE TOP SN EET 1/16 PLY BAFFLC 1/8 TOP L BOTTOM F2 0 510 ZLIN CK 223WILLIANG- 2-5/8 PAINT SNAOFD AREA SLACKFI 1/4 PLY -1/2 BALSA1/ASHEET Fl1/8 PLY TABSA1 F2,COWLOUTLINE I-I F3 [v35][b233818900500]]II Cl U SlOE-BAYTIT I1/6 PENINO637OS-S BALSA&,. / S OR EQUI/RIELIANK ( 1/4 MOUNTRCVk II/BALSA-//SERNGS VVALSA ______ ____L.Ij I-1/%LY----7 _ SlIL&RC S 2-1/2RST 4I :I SMOKE TANKIC 0-DUBRO_BALL LINKS 1/2 BALSA~---CK 1/6 PLY TABS'~X~ 4-4051-1 1/6BALSA-1/6XITE J 0 PRATHER EM 3/32LY MORE BEND PATTERN1/6tITE PLY F-WZH FOAM 450 IBCSBCB-TA4IT ON F-GALIP&F-OAUK0 32 Model Aviation Full-Size Plans Available. See Page 164 TOO CAP2I N 001 tHEN AGE Hi]j4 Li LJLiLOUIS PENAERIC MULLER FUSELAGE DECORATIONS SHOWN ACTUAL SIZE C4C K, 3/H TRIANGLE I/ES I/I F61/N BALSAI/BSIOENOTE FlKEEP THE TAIL LIGHT! V E ALL MATERIAL BALSA /UNLESS SPECIFIED TELEVVF4 ELETNOTEVF4VF3 Dj _____ FIN ISilS BUILT -MAKE SURE LEN TA PIECES ARE ACCURATEVF3 Lo/____ _____LL$ -SHEET FIN WITH VF2l/H53/Hl/1HCGRAIH j TTPICALVF2 F5 I/H SO3/32RIBS 4--r 1b EETBENCHSCRAP TABCENTER SOFT BALSA L--------- ER _- 1 II__________ET*T4ECT~1 I_ I-V ULLIVAN NRC-S II II -- ------ 4J10_ 3/H TRIANGLE AL BEAR THU 3 3ThRASSJSI 6 \ INGE LOCATIONS SOFT BALSA NOTE TE BASIC FRENCH WORLD CLASS MEDIUMAEROBATIC A1RCRFi T3/H PORT SCALE FOR AO 1/HS I/2MEOIUMVI/HDESIGNEDDRAWN-BRAD SHEPHERD ROTTLE GOUGEf-'I-~ OUT SI23HN6 ALL RHUITS RESERVED N/NH f.L &44.L October 1985 33 long time going take little getting used Some up-elevator has fed doing knife-edge flight mid-wings require snap rolls very scalelike spin entry exit posi five outside loops snaps smoker going something behold find out model behaved low speeds took up about 200 ft cut back throttle watched slow speed thought would impossible airfoil stalling wouldnt recommend slowing too much land ing approach though instead keep some power until few feet off deck cut throttle let settle Dont surprised flight qualities CAP 21 design Naturally conceived challenger world class competition flying maneuvers way more-ordinary flying machines cant Hence super-responsive changes control surfaces same holds true model would recommend someone hasnt much experi ence flying all-out aerobatics mod el will anything book al though meant scare anyone off forewarned forearmed model lead sled will perform aerobatics well Although model little larger average 40 careful selection wood should result plane will full schedule cant begin give angles dimensions exhaust stack/smoke chamber due lack education geometry strictly cut-and-try eyeball thing silver-soldered together exits through tin chute made gallon can pipe fitters out rolling offset An old modeling friend Eldon Wilson gave some good ideas smoker have incorporated produce much denser smoke Instead steel wool use copper wool made car battery ground cable welding cable unravel copper wire bunch up like steel wool Thin-walled -in copper tubing four holes punched used smoker fluid inlet wheel pants shaped opencell foam beaded covered glass cloth slow-curing epoxy cured foam dug out wheel wells coat resin applied inside canopy tinted using black RIT dye hot boiling water large pan tip Claude McCul lough Dip canopy solution about 2 mm take out rinse cold water canopy needs darker repeat until correct shade obtained subject canopy going enter AMA Sport Scale contests theres potential problem pilot has glued-in before canopy glued-on order satisfy RC Sport Scale model requirement rule 53A3 specifies pilot must visible flight next sentence effectively says judges put blinders disregard pilot static judging can build sliding canopy care go trouble will able remove pilot figure static judging take care apparent contradiction also present rule para 53A53 glued-in seat parachute straps pilot figure before gluing-on canopy Hopefully judges can figure out what wont go step-by-step details constructing model will cover high points Most everything building model straightforward conven tional dimensions plans Wing three ways make set ribs cut out individually using patterns plans make ply root tip ribs carve stack blanks around cut wing panel foam using tip root ribs cut foam rib station trace around shape foam station last method probably accurate three care taken cutting foam Wing panels built right-side-up pin ning aft flat portion ribs bench bottom spar top sheeted position Panels glued together upside-down jigs after estab lishing long straight line work bench center-section sheeting bottom glued-in after dihedral braces ply sub-ribs wing mounting plate epoxied place landing gear assembly fitted after wing removed jigs rear ply plates top center-section sheet ing can glued place stabilizer built using leading trailing edges jigs applying sheeting pinned down elevators built flat board After pinning leading trailing edges down 1/16 sheet balsa glued place ribs scrap glued top sheet fuselage assembled over top view plans Remember shim under Former F4 turtledeck sheeting soaked water wrapped around Turtle Wax bottle tapered allowed dry overnight comes out almost exactly right curve turtledeck formers nice worked out huh Leave 4-in center section stab flat allows stab glued-in getting unwanted incidence Covering Super MonoKote used wing dont use heat-shrink material 3/32 x -in angle strips can omitted bottom fuselage covered light silkspan dope finish applied over registration lettering dry-transfer sheet flags painted colored dope Champion logo cut side spark plug box glued just about correct scale size Enjoy CAP 21 Its blast rememberit will everything book some things arent 34 Model Aviation full-size Inspiration model pictures courtesy Repla-Tech International Three-view drawings photographs documentatIon/detaIlIng can obtained company Repla-Tech 48500 McKenzie Hwy Vida OR g7488$3 fora 1985 catalog /-P7: /NC ILNYUOISELEN/NB [v32][b-2-10-1-10]]//4 N/SN/C/NE EEC/ION NiNZN N/C ii N/SN/S p— LL ESErU BALSA UNLESS TIICPLY LA N/555540 SCANSN/Sail/a NE S/OCXEISEEsC/NPU N NAO/B 2 N/PA/NE SENIBS aOL NUNBEELSA PLAL NA SEC//OS 7 _ CAP2I FRENCO WORLD CLASS AN/ROBOTIC AiRCRAFT SPORT SCALE FOR 00 ON/SIONEOOROWN-RRAO SHEPHERD ALE SEEN/S SEEN/NON/N B/SN HE /NUASAa