A -tech low-cost RC sailplane offers high performance excellent handling characteristics U Harley Michaelis 16 Model Aviation JOUSTER its origins Atrix December 1986 MA capable efficient sophisticated sailplane specifically designed low-tech low-cost scratch-building properly built trimmed should please discriminating soaring fraternity its designed competition its easy handling suits sport flying too Its performance simply everything desired thermal airplane tows steeply zooms well buoyant thermalsensitive responds promptly stick input does flat turns rudder does wrenching turns coupled ailerons can safely pushed speed descends vertically flaps down slows well landings Stalls gentle displays especially flat glide low sink rate excellent penetration addition ballast totally predictable no bad habits optimum performance model can utilize capabilities todays sophisticated radios Jouster can flown basic four-channel sets primary departure typical plugin wing panels one-piece flat center section have built some 30 sailplanes general type including 16 Jousters improved some way reach present state refinement variety airfoils have used including E205 S2091 S4061 5D7037 favored presented 5D7032 fully sheeted foam cores see core source below Center-section spars sandwiches plywood strips carbon fiber laminate give wing bending resistance under high stress Using Jouster flown Expert class 1990 first season points standing NWSS group some 100 fliers kitted designs numerically dominant Although have completed Level 5 League Silent Flight LSF requirements claim no real expertiseI prefer give credit model Jouster definitely mn-of-themill truly beautiful original design full practical innovations Lets take walk around Above Wing tips atfach detach easily supported spring-steel blades lock tips firmly place July1993 17 began model building age 8 stripping up bamboo rakes cedar shingles fence posts old cigar boxes building materials Covering early models tissue wrapping paper adhesives flour water school paste LePages 48-Hour Iron Glue later pursued rubber power free flight since 1967 RC sailplanes Mod-Pod Hi-Pro Miskeet Easy Eagle designs have kitted Jouster 15th published design Im now retired totally involved-for-fun designer builder competitor greatest satisfaction discovering new things others enjoy Jouster includes things League Silent Eight LSF #0231 am Level 4 did Level 5 competition tasks 1975 lacked Level 3 witnesses other tasks Harley Michaelis 1969 Miskeet sailplane Jouster 15th published design Note LSF #023 Its cleanliness immediately apparent Nothing hangs out wingeven hingelines hairlines tips lock tightly snug fit wing saddle fin-fuselage joints filleted small glass canopy merges smoothly fuselage lines see canopy source below stab close fit fin fuselage sleek slim narrow oval-shaped cross sections Contributing clean wing new type easily made all-internal Direct Aileron Driver DAD DADs eliminate slop bind unsightly clutter horns backplates bolts devises threaded rods set nuts bulky exit guides ratty-looking slots Inside utmost simplicity music wire pushrod goes directly DAD servo no intermediate linkages flap mechanism also internal always flight-ready hairline hinges moving surfaces utilize Ace RICs rubber Harleys Hinges flying surfaces butt fit beveling spacing rounding simply pivot edges hinges installed under light tension surfaces hug other lock eliminating unsightly gaps tape hinging DADs aero dynamically clean lines low-drag airfoil clean wing attachment close-fitting canopy model just whispers testimony overall cleanliness Light wing tip sections help firm roll response thermal indication wing tips firmly supported light spring-steel blades see below source slip light sturdy receptacles secured between center-section spars simple spring-loaded connect/disconnect setup quickly couples aileron mechanics between center tips wing planform Schuemann variation straight TE several breaks provide clean chordwise airflow experimented various LE break points angles LE radius near tips tip chord washout features used model worked best practice raked Christensen extreme tip feathered its /32 plywood core piece yam attached testing displayed no vortex level flightit extended straight back Standard servos rudder elevator mounted tandem fuselage Flap aileron servos fit recess wing center avoiding long extensions necessary outboard servos allows use miniservos rugged microservos Clustering servos keeps mass inboard helping roll response use two flap servos radio mix flaps act ailerons slim curvaceous fuselage Type RC sailplane Wingspan 122 inches Number RC channels recommended Four Expected flying weight 64-72 oz Type construction Sheeted foamcore wing fiberglass/balsa fuselage fin balsa stabilizer Type covering/finish recommended UltraCote epoxy enamel polyurethane wood glassed over painted beautiful appearance has two formers actually quite simple make glassing procedure detailed plan sheet yields structure plenty rugged despite delicate appearance tail Carbon fiber/epoxy laminate also used calamities nose buried foot area survived intact long distinctive droop snoot serves several practical purposes no low belly rotate lose landing points lowers center gravity CG top-mounted wing extended hands-off flight possibleunusual high-per formance low-dihedral non-polyhedral model nose shape keeps wing high 18 Model Aviation l fiberglass canopy shaped fit around wings leading edge Wing secured recessed nylon bolts Eye-catching color scheme easy-to-make logo accomplished Goldberg Ultra Cote Zynolyte Premium Polyurethane paint UltraCote also used wing trim Light tips help roll response thermal indication Raked Christensen tip feathered /32 plywood core Tip shape helps chordwise airflow Part authors personal Jouster fleet inciuaing tour OT six moaeis Duilt since 1991 Friends have built 12 others during time / P000000 Elf TAIL Full Size Plans AvailableSee Page 184 STABILATORARA 1/BYBBERHAY jII~ FUSELAGE lOP VIEW /FIN RUD AVBIYTMB9HHYABAAALA BOSE HONELB BYIUELLCBABIK SUPPORT -I FUSELAGE SIDE VIEW 7ATH BAY4j~A~"-MODEL AVIATION ___ IABRABA___ BAI J1z}jABA---~OBSIABCO HARLEY BIOBABLIS July1993 19 END VIEW SLAturu FOIL PLOTS RECErOCLO ENLOOOOO,___________ oxs LONG~- ____ _rxO"I~ NG PLAN-RIGHT SIDE j-1L 7 FLAP-- -AILERON IUOOELOVIOTION ~-THE OUSTER WING NON VIEW AT CANTOR 1 during landings saves gears flaps down makes catching wing tip less likely During landings low-point integral sharks teeth first part model touch ground dig brake model Since canopy small light its less likely come off during sudden stop would cause loss landing points Jouster brought level slow flaps neutralized just before touchdown model will usually pancake stay put intended spot all-moving stab has rigid mount pushrod triangular bellcrank combine well-defined neutral setting Internal rubber grippers securely retain stab halves assures fine-tuned positive safe pitch control through wide range flying speeds rudder cable-operated long slim front end has space Sanyo 800-mAh stick battery pack SR makes 1 400-mAh pack same size weight Use packs combined models long nose light tail section make possible achieve desired CG addition lead up front contributes models buoyancy pitch-axis response models weights ranged 64 72 ounces wing loadings nine 10 ounces per square foot Detailed construction text provided 20 Model Aviation 3EE BLSA8LSP RIBS PLY STRIP ALE FOAM CORE WItII ~2LE032 SPRING STEFL SUB L EHARLF5 HINGES KEVLAR REIF4FORCFMEN BRLSI. RIBS PlY FUSE SIPES USE SIIES SPYINNERFUNNY Lv1-rLE PINE 4ALUM notched spring-steel blade set $250 postage paid molded polyester hatch $4 available Harley Michaelis 26 S Roosevelt Walla Walla WA 99362 Tel 509 529-2562 * 22 Model Aviation shed fuselage 1/16 aluminum sharks teeth Fiberglass hatch available authorsee text plans step-by-step explanation given clarify procedures minimize building 16 Jousters built author Spars one-piece flat center section time materials list included SD7032 sandwiches plywood carbon fiber Versatile model designed competition handles easily sport flying well plots provided prefer make templates cut own cores Sources Fine extruded cores SD7032 airfoil available Harry Smith 814 Home Walla Walla WA 99362 Tel 509 525-1554 Price $40 postage paid
Edition: Model Aviation - 1993/07
Page Numbers: 16, 17, 18, 19, 20, 21, 22
A -tech low-cost RC sailplane offers high performance excellent handling characteristics U Harley Michaelis 16 Model Aviation JOUSTER its origins Atrix December 1986 MA capable efficient sophisticated sailplane specifically designed low-tech low-cost scratch-building properly built trimmed should please discriminating soaring fraternity its designed competition its easy handling suits sport flying too Its performance simply everything desired thermal airplane tows steeply zooms well buoyant thermalsensitive responds promptly stick input does flat turns rudder does wrenching turns coupled ailerons can safely pushed speed descends vertically flaps down slows well landings Stalls gentle displays especially flat glide low sink rate excellent penetration addition ballast totally predictable no bad habits optimum performance model can utilize capabilities todays sophisticated radios Jouster can flown basic four-channel sets primary departure typical plugin wing panels one-piece flat center section have built some 30 sailplanes general type including 16 Jousters improved some way reach present state refinement variety airfoils have used including E205 S2091 S4061 5D7037 favored presented 5D7032 fully sheeted foam cores see core source below Center-section spars sandwiches plywood strips carbon fiber laminate give wing bending resistance under high stress Using Jouster flown Expert class 1990 first season points standing NWSS group some 100 fliers kitted designs numerically dominant Although have completed Level 5 League Silent Flight LSF requirements claim no real expertiseI prefer give credit model Jouster definitely mn-of-themill truly beautiful original design full practical innovations Lets take walk around Above Wing tips atfach detach easily supported spring-steel blades lock tips firmly place July1993 17 began model building age 8 stripping up bamboo rakes cedar shingles fence posts old cigar boxes building materials Covering early models tissue wrapping paper adhesives flour water school paste LePages 48-Hour Iron Glue later pursued rubber power free flight since 1967 RC sailplanes Mod-Pod Hi-Pro Miskeet Easy Eagle designs have kitted Jouster 15th published design Im now retired totally involved-for-fun designer builder competitor greatest satisfaction discovering new things others enjoy Jouster includes things League Silent Eight LSF #0231 am Level 4 did Level 5 competition tasks 1975 lacked Level 3 witnesses other tasks Harley Michaelis 1969 Miskeet sailplane Jouster 15th published design Note LSF #023 Its cleanliness immediately apparent Nothing hangs out wingeven hingelines hairlines tips lock tightly snug fit wing saddle fin-fuselage joints filleted small glass canopy merges smoothly fuselage lines see canopy source below stab close fit fin fuselage sleek slim narrow oval-shaped cross sections Contributing clean wing new type easily made all-internal Direct Aileron Driver DAD DADs eliminate slop bind unsightly clutter horns backplates bolts devises threaded rods set nuts bulky exit guides ratty-looking slots Inside utmost simplicity music wire pushrod goes directly DAD servo no intermediate linkages flap mechanism also internal always flight-ready hairline hinges moving surfaces utilize Ace RICs rubber Harleys Hinges flying surfaces butt fit beveling spacing rounding simply pivot edges hinges installed under light tension surfaces hug other lock eliminating unsightly gaps tape hinging DADs aero dynamically clean lines low-drag airfoil clean wing attachment close-fitting canopy model just whispers testimony overall cleanliness Light wing tip sections help firm roll response thermal indication wing tips firmly supported light spring-steel blades see below source slip light sturdy receptacles secured between center-section spars simple spring-loaded connect/disconnect setup quickly couples aileron mechanics between center tips wing planform Schuemann variation straight TE several breaks provide clean chordwise airflow experimented various LE break points angles LE radius near tips tip chord washout features used model worked best practice raked Christensen extreme tip feathered its /32 plywood core piece yam attached testing displayed no vortex level flightit extended straight back Standard servos rudder elevator mounted tandem fuselage Flap aileron servos fit recess wing center avoiding long extensions necessary outboard servos allows use miniservos rugged microservos Clustering servos keeps mass inboard helping roll response use two flap servos radio mix flaps act ailerons slim curvaceous fuselage Type RC sailplane Wingspan 122 inches Number RC channels recommended Four Expected flying weight 64-72 oz Type construction Sheeted foamcore wing fiberglass/balsa fuselage fin balsa stabilizer Type covering/finish recommended UltraCote epoxy enamel polyurethane wood glassed over painted beautiful appearance has two formers actually quite simple make glassing procedure detailed plan sheet yields structure plenty rugged despite delicate appearance tail Carbon fiber/epoxy laminate also used calamities nose buried foot area survived intact long distinctive droop snoot serves several practical purposes no low belly rotate lose landing points lowers center gravity CG top-mounted wing extended hands-off flight possibleunusual high-per formance low-dihedral non-polyhedral model nose shape keeps wing high 18 Model Aviation l fiberglass canopy shaped fit around wings leading edge Wing secured recessed nylon bolts Eye-catching color scheme easy-to-make logo accomplished Goldberg Ultra Cote Zynolyte Premium Polyurethane paint UltraCote also used wing trim Light tips help roll response thermal indication Raked Christensen tip feathered /32 plywood core Tip shape helps chordwise airflow Part authors personal Jouster fleet inciuaing tour OT six moaeis Duilt since 1991 Friends have built 12 others during time / P000000 Elf TAIL Full Size Plans AvailableSee Page 184 STABILATORARA 1/BYBBERHAY jII~ FUSELAGE lOP VIEW /FIN RUD AVBIYTMB9HHYABAAALA BOSE HONELB BYIUELLCBABIK SUPPORT -I FUSELAGE SIDE VIEW 7ATH BAY4j~A~"-MODEL AVIATION ___ IABRABA___ BAI J1z}jABA---~OBSIABCO HARLEY BIOBABLIS July1993 19 END VIEW SLAturu FOIL PLOTS RECErOCLO ENLOOOOO,___________ oxs LONG~- ____ _rxO"I~ NG PLAN-RIGHT SIDE j-1L 7 FLAP-- -AILERON IUOOELOVIOTION ~-THE OUSTER WING NON VIEW AT CANTOR 1 during landings saves gears flaps down makes catching wing tip less likely During landings low-point integral sharks teeth first part model touch ground dig brake model Since canopy small light its less likely come off during sudden stop would cause loss landing points Jouster brought level slow flaps neutralized just before touchdown model will usually pancake stay put intended spot all-moving stab has rigid mount pushrod triangular bellcrank combine well-defined neutral setting Internal rubber grippers securely retain stab halves assures fine-tuned positive safe pitch control through wide range flying speeds rudder cable-operated long slim front end has space Sanyo 800-mAh stick battery pack SR makes 1 400-mAh pack same size weight Use packs combined models long nose light tail section make possible achieve desired CG addition lead up front contributes models buoyancy pitch-axis response models weights ranged 64 72 ounces wing loadings nine 10 ounces per square foot Detailed construction text provided 20 Model Aviation 3EE BLSA8LSP RIBS PLY STRIP ALE FOAM CORE WItII ~2LE032 SPRING STEFL SUB L EHARLF5 HINGES KEVLAR REIF4FORCFMEN BRLSI. RIBS PlY FUSE SIPES USE SIIES SPYINNERFUNNY Lv1-rLE PINE 4ALUM notched spring-steel blade set $250 postage paid molded polyester hatch $4 available Harley Michaelis 26 S Roosevelt Walla Walla WA 99362 Tel 509 529-2562 * 22 Model Aviation shed fuselage 1/16 aluminum sharks teeth Fiberglass hatch available authorsee text plans step-by-step explanation given clarify procedures minimize building 16 Jousters built author Spars one-piece flat center section time materials list included SD7032 sandwiches plywood carbon fiber Versatile model designed competition handles easily sport flying well plots provided prefer make templates cut own cores Sources Fine extruded cores SD7032 airfoil available Harry Smith 814 Home Walla Walla WA 99362 Tel 509 525-1554 Price $40 postage paid
Edition: Model Aviation - 1993/07
Page Numbers: 16, 17, 18, 19, 20, 21, 22
A -tech low-cost RC sailplane offers high performance excellent handling characteristics U Harley Michaelis 16 Model Aviation JOUSTER its origins Atrix December 1986 MA capable efficient sophisticated sailplane specifically designed low-tech low-cost scratch-building properly built trimmed should please discriminating soaring fraternity its designed competition its easy handling suits sport flying too Its performance simply everything desired thermal airplane tows steeply zooms well buoyant thermalsensitive responds promptly stick input does flat turns rudder does wrenching turns coupled ailerons can safely pushed speed descends vertically flaps down slows well landings Stalls gentle displays especially flat glide low sink rate excellent penetration addition ballast totally predictable no bad habits optimum performance model can utilize capabilities todays sophisticated radios Jouster can flown basic four-channel sets primary departure typical plugin wing panels one-piece flat center section have built some 30 sailplanes general type including 16 Jousters improved some way reach present state refinement variety airfoils have used including E205 S2091 S4061 5D7037 favored presented 5D7032 fully sheeted foam cores see core source below Center-section spars sandwiches plywood strips carbon fiber laminate give wing bending resistance under high stress Using Jouster flown Expert class 1990 first season points standing NWSS group some 100 fliers kitted designs numerically dominant Although have completed Level 5 League Silent Flight LSF requirements claim no real expertiseI prefer give credit model Jouster definitely mn-of-themill truly beautiful original design full practical innovations Lets take walk around Above Wing tips atfach detach easily supported spring-steel blades lock tips firmly place July1993 17 began model building age 8 stripping up bamboo rakes cedar shingles fence posts old cigar boxes building materials Covering early models tissue wrapping paper adhesives flour water school paste LePages 48-Hour Iron Glue later pursued rubber power free flight since 1967 RC sailplanes Mod-Pod Hi-Pro Miskeet Easy Eagle designs have kitted Jouster 15th published design Im now retired totally involved-for-fun designer builder competitor greatest satisfaction discovering new things others enjoy Jouster includes things League Silent Eight LSF #0231 am Level 4 did Level 5 competition tasks 1975 lacked Level 3 witnesses other tasks Harley Michaelis 1969 Miskeet sailplane Jouster 15th published design Note LSF #023 Its cleanliness immediately apparent Nothing hangs out wingeven hingelines hairlines tips lock tightly snug fit wing saddle fin-fuselage joints filleted small glass canopy merges smoothly fuselage lines see canopy source below stab close fit fin fuselage sleek slim narrow oval-shaped cross sections Contributing clean wing new type easily made all-internal Direct Aileron Driver DAD DADs eliminate slop bind unsightly clutter horns backplates bolts devises threaded rods set nuts bulky exit guides ratty-looking slots Inside utmost simplicity music wire pushrod goes directly DAD servo no intermediate linkages flap mechanism also internal always flight-ready hairline hinges moving surfaces utilize Ace RICs rubber Harleys Hinges flying surfaces butt fit beveling spacing rounding simply pivot edges hinges installed under light tension surfaces hug other lock eliminating unsightly gaps tape hinging DADs aero dynamically clean lines low-drag airfoil clean wing attachment close-fitting canopy model just whispers testimony overall cleanliness Light wing tip sections help firm roll response thermal indication wing tips firmly supported light spring-steel blades see below source slip light sturdy receptacles secured between center-section spars simple spring-loaded connect/disconnect setup quickly couples aileron mechanics between center tips wing planform Schuemann variation straight TE several breaks provide clean chordwise airflow experimented various LE break points angles LE radius near tips tip chord washout features used model worked best practice raked Christensen extreme tip feathered its /32 plywood core piece yam attached testing displayed no vortex level flightit extended straight back Standard servos rudder elevator mounted tandem fuselage Flap aileron servos fit recess wing center avoiding long extensions necessary outboard servos allows use miniservos rugged microservos Clustering servos keeps mass inboard helping roll response use two flap servos radio mix flaps act ailerons slim curvaceous fuselage Type RC sailplane Wingspan 122 inches Number RC channels recommended Four Expected flying weight 64-72 oz Type construction Sheeted foamcore wing fiberglass/balsa fuselage fin balsa stabilizer Type covering/finish recommended UltraCote epoxy enamel polyurethane wood glassed over painted beautiful appearance has two formers actually quite simple make glassing procedure detailed plan sheet yields structure plenty rugged despite delicate appearance tail Carbon fiber/epoxy laminate also used calamities nose buried foot area survived intact long distinctive droop snoot serves several practical purposes no low belly rotate lose landing points lowers center gravity CG top-mounted wing extended hands-off flight possibleunusual high-per formance low-dihedral non-polyhedral model nose shape keeps wing high 18 Model Aviation l fiberglass canopy shaped fit around wings leading edge Wing secured recessed nylon bolts Eye-catching color scheme easy-to-make logo accomplished Goldberg Ultra Cote Zynolyte Premium Polyurethane paint UltraCote also used wing trim Light tips help roll response thermal indication Raked Christensen tip feathered /32 plywood core Tip shape helps chordwise airflow Part authors personal Jouster fleet inciuaing tour OT six moaeis Duilt since 1991 Friends have built 12 others during time / P000000 Elf TAIL Full Size Plans AvailableSee Page 184 STABILATORARA 1/BYBBERHAY jII~ FUSELAGE lOP VIEW /FIN RUD AVBIYTMB9HHYABAAALA BOSE HONELB BYIUELLCBABIK SUPPORT -I FUSELAGE SIDE VIEW 7ATH BAY4j~A~"-MODEL AVIATION ___ IABRABA___ BAI J1z}jABA---~OBSIABCO HARLEY BIOBABLIS July1993 19 END VIEW SLAturu FOIL PLOTS RECErOCLO ENLOOOOO,___________ oxs LONG~- ____ _rxO"I~ NG PLAN-RIGHT SIDE j-1L 7 FLAP-- -AILERON IUOOELOVIOTION ~-THE OUSTER WING NON VIEW AT CANTOR 1 during landings saves gears flaps down makes catching wing tip less likely During landings low-point integral sharks teeth first part model touch ground dig brake model Since canopy small light its less likely come off during sudden stop would cause loss landing points Jouster brought level slow flaps neutralized just before touchdown model will usually pancake stay put intended spot all-moving stab has rigid mount pushrod triangular bellcrank combine well-defined neutral setting Internal rubber grippers securely retain stab halves assures fine-tuned positive safe pitch control through wide range flying speeds rudder cable-operated long slim front end has space Sanyo 800-mAh stick battery pack SR makes 1 400-mAh pack same size weight Use packs combined models long nose light tail section make possible achieve desired CG addition lead up front contributes models buoyancy pitch-axis response models weights ranged 64 72 ounces wing loadings nine 10 ounces per square foot Detailed construction text provided 20 Model Aviation 3EE BLSA8LSP RIBS PLY STRIP ALE FOAM CORE WItII ~2LE032 SPRING STEFL SUB L EHARLF5 HINGES KEVLAR REIF4FORCFMEN BRLSI. RIBS PlY FUSE SIPES USE SIIES SPYINNERFUNNY Lv1-rLE PINE 4ALUM notched spring-steel blade set $250 postage paid molded polyester hatch $4 available Harley Michaelis 26 S Roosevelt Walla Walla WA 99362 Tel 509 529-2562 * 22 Model Aviation shed fuselage 1/16 aluminum sharks teeth Fiberglass hatch available authorsee text plans step-by-step explanation given clarify procedures minimize building 16 Jousters built author Spars one-piece flat center section time materials list included SD7032 sandwiches plywood carbon fiber Versatile model designed competition handles easily sport flying well plots provided prefer make templates cut own cores Sources Fine extruded cores SD7032 airfoil available Harry Smith 814 Home Walla Walla WA 99362 Tel 509 525-1554 Price $40 postage paid
Edition: Model Aviation - 1993/07
Page Numbers: 16, 17, 18, 19, 20, 21, 22
A -tech low-cost RC sailplane offers high performance excellent handling characteristics U Harley Michaelis 16 Model Aviation JOUSTER its origins Atrix December 1986 MA capable efficient sophisticated sailplane specifically designed low-tech low-cost scratch-building properly built trimmed should please discriminating soaring fraternity its designed competition its easy handling suits sport flying too Its performance simply everything desired thermal airplane tows steeply zooms well buoyant thermalsensitive responds promptly stick input does flat turns rudder does wrenching turns coupled ailerons can safely pushed speed descends vertically flaps down slows well landings Stalls gentle displays especially flat glide low sink rate excellent penetration addition ballast totally predictable no bad habits optimum performance model can utilize capabilities todays sophisticated radios Jouster can flown basic four-channel sets primary departure typical plugin wing panels one-piece flat center section have built some 30 sailplanes general type including 16 Jousters improved some way reach present state refinement variety airfoils have used including E205 S2091 S4061 5D7037 favored presented 5D7032 fully sheeted foam cores see core source below Center-section spars sandwiches plywood strips carbon fiber laminate give wing bending resistance under high stress Using Jouster flown Expert class 1990 first season points standing NWSS group some 100 fliers kitted designs numerically dominant Although have completed Level 5 League Silent Flight LSF requirements claim no real expertiseI prefer give credit model Jouster definitely mn-of-themill truly beautiful original design full practical innovations Lets take walk around Above Wing tips atfach detach easily supported spring-steel blades lock tips firmly place July1993 17 began model building age 8 stripping up bamboo rakes cedar shingles fence posts old cigar boxes building materials Covering early models tissue wrapping paper adhesives flour water school paste LePages 48-Hour Iron Glue later pursued rubber power free flight since 1967 RC sailplanes Mod-Pod Hi-Pro Miskeet Easy Eagle designs have kitted Jouster 15th published design Im now retired totally involved-for-fun designer builder competitor greatest satisfaction discovering new things others enjoy Jouster includes things League Silent Eight LSF #0231 am Level 4 did Level 5 competition tasks 1975 lacked Level 3 witnesses other tasks Harley Michaelis 1969 Miskeet sailplane Jouster 15th published design Note LSF #023 Its cleanliness immediately apparent Nothing hangs out wingeven hingelines hairlines tips lock tightly snug fit wing saddle fin-fuselage joints filleted small glass canopy merges smoothly fuselage lines see canopy source below stab close fit fin fuselage sleek slim narrow oval-shaped cross sections Contributing clean wing new type easily made all-internal Direct Aileron Driver DAD DADs eliminate slop bind unsightly clutter horns backplates bolts devises threaded rods set nuts bulky exit guides ratty-looking slots Inside utmost simplicity music wire pushrod goes directly DAD servo no intermediate linkages flap mechanism also internal always flight-ready hairline hinges moving surfaces utilize Ace RICs rubber Harleys Hinges flying surfaces butt fit beveling spacing rounding simply pivot edges hinges installed under light tension surfaces hug other lock eliminating unsightly gaps tape hinging DADs aero dynamically clean lines low-drag airfoil clean wing attachment close-fitting canopy model just whispers testimony overall cleanliness Light wing tip sections help firm roll response thermal indication wing tips firmly supported light spring-steel blades see below source slip light sturdy receptacles secured between center-section spars simple spring-loaded connect/disconnect setup quickly couples aileron mechanics between center tips wing planform Schuemann variation straight TE several breaks provide clean chordwise airflow experimented various LE break points angles LE radius near tips tip chord washout features used model worked best practice raked Christensen extreme tip feathered its /32 plywood core piece yam attached testing displayed no vortex level flightit extended straight back Standard servos rudder elevator mounted tandem fuselage Flap aileron servos fit recess wing center avoiding long extensions necessary outboard servos allows use miniservos rugged microservos Clustering servos keeps mass inboard helping roll response use two flap servos radio mix flaps act ailerons slim curvaceous fuselage Type RC sailplane Wingspan 122 inches Number RC channels recommended Four Expected flying weight 64-72 oz Type construction Sheeted foamcore wing fiberglass/balsa fuselage fin balsa stabilizer Type covering/finish recommended UltraCote epoxy enamel polyurethane wood glassed over painted beautiful appearance has two formers actually quite simple make glassing procedure detailed plan sheet yields structure plenty rugged despite delicate appearance tail Carbon fiber/epoxy laminate also used calamities nose buried foot area survived intact long distinctive droop snoot serves several practical purposes no low belly rotate lose landing points lowers center gravity CG top-mounted wing extended hands-off flight possibleunusual high-per formance low-dihedral non-polyhedral model nose shape keeps wing high 18 Model Aviation l fiberglass canopy shaped fit around wings leading edge Wing secured recessed nylon bolts Eye-catching color scheme easy-to-make logo accomplished Goldberg Ultra Cote Zynolyte Premium Polyurethane paint UltraCote also used wing trim Light tips help roll response thermal indication Raked Christensen tip feathered /32 plywood core Tip shape helps chordwise airflow Part authors personal Jouster fleet inciuaing tour OT six moaeis Duilt since 1991 Friends have built 12 others during time / P000000 Elf TAIL Full Size Plans AvailableSee Page 184 STABILATORARA 1/BYBBERHAY jII~ FUSELAGE lOP VIEW /FIN RUD AVBIYTMB9HHYABAAALA BOSE HONELB BYIUELLCBABIK SUPPORT -I FUSELAGE SIDE VIEW 7ATH BAY4j~A~"-MODEL AVIATION ___ IABRABA___ BAI J1z}jABA---~OBSIABCO HARLEY BIOBABLIS July1993 19 END VIEW SLAturu FOIL PLOTS RECErOCLO ENLOOOOO,___________ oxs LONG~- ____ _rxO"I~ NG PLAN-RIGHT SIDE j-1L 7 FLAP-- -AILERON IUOOELOVIOTION ~-THE OUSTER WING NON VIEW AT CANTOR 1 during landings saves gears flaps down makes catching wing tip less likely During landings low-point integral sharks teeth first part model touch ground dig brake model Since canopy small light its less likely come off during sudden stop would cause loss landing points Jouster brought level slow flaps neutralized just before touchdown model will usually pancake stay put intended spot all-moving stab has rigid mount pushrod triangular bellcrank combine well-defined neutral setting Internal rubber grippers securely retain stab halves assures fine-tuned positive safe pitch control through wide range flying speeds rudder cable-operated long slim front end has space Sanyo 800-mAh stick battery pack SR makes 1 400-mAh pack same size weight Use packs combined models long nose light tail section make possible achieve desired CG addition lead up front contributes models buoyancy pitch-axis response models weights ranged 64 72 ounces wing loadings nine 10 ounces per square foot Detailed construction text provided 20 Model Aviation 3EE BLSA8LSP RIBS PLY STRIP ALE FOAM CORE WItII ~2LE032 SPRING STEFL SUB L EHARLF5 HINGES KEVLAR REIF4FORCFMEN BRLSI. RIBS PlY FUSE SIPES USE SIIES SPYINNERFUNNY Lv1-rLE PINE 4ALUM notched spring-steel blade set $250 postage paid molded polyester hatch $4 available Harley Michaelis 26 S Roosevelt Walla Walla WA 99362 Tel 509 529-2562 * 22 Model Aviation shed fuselage 1/16 aluminum sharks teeth Fiberglass hatch available authorsee text plans step-by-step explanation given clarify procedures minimize building 16 Jousters built author Spars one-piece flat center section time materials list included SD7032 sandwiches plywood carbon fiber Versatile model designed competition handles easily sport flying well plots provided prefer make templates cut own cores Sources Fine extruded cores SD7032 airfoil available Harry Smith 814 Home Walla Walla WA 99362 Tel 509 525-1554 Price $40 postage paid
Edition: Model Aviation - 1993/07
Page Numbers: 16, 17, 18, 19, 20, 21, 22
A -tech low-cost RC sailplane offers high performance excellent handling characteristics U Harley Michaelis 16 Model Aviation JOUSTER its origins Atrix December 1986 MA capable efficient sophisticated sailplane specifically designed low-tech low-cost scratch-building properly built trimmed should please discriminating soaring fraternity its designed competition its easy handling suits sport flying too Its performance simply everything desired thermal airplane tows steeply zooms well buoyant thermalsensitive responds promptly stick input does flat turns rudder does wrenching turns coupled ailerons can safely pushed speed descends vertically flaps down slows well landings Stalls gentle displays especially flat glide low sink rate excellent penetration addition ballast totally predictable no bad habits optimum performance model can utilize capabilities todays sophisticated radios Jouster can flown basic four-channel sets primary departure typical plugin wing panels one-piece flat center section have built some 30 sailplanes general type including 16 Jousters improved some way reach present state refinement variety airfoils have used including E205 S2091 S4061 5D7037 favored presented 5D7032 fully sheeted foam cores see core source below Center-section spars sandwiches plywood strips carbon fiber laminate give wing bending resistance under high stress Using Jouster flown Expert class 1990 first season points standing NWSS group some 100 fliers kitted designs numerically dominant Although have completed Level 5 League Silent Flight LSF requirements claim no real expertiseI prefer give credit model Jouster definitely mn-of-themill truly beautiful original design full practical innovations Lets take walk around Above Wing tips atfach detach easily supported spring-steel blades lock tips firmly place July1993 17 began model building age 8 stripping up bamboo rakes cedar shingles fence posts old cigar boxes building materials Covering early models tissue wrapping paper adhesives flour water school paste LePages 48-Hour Iron Glue later pursued rubber power free flight since 1967 RC sailplanes Mod-Pod Hi-Pro Miskeet Easy Eagle designs have kitted Jouster 15th published design Im now retired totally involved-for-fun designer builder competitor greatest satisfaction discovering new things others enjoy Jouster includes things League Silent Eight LSF #0231 am Level 4 did Level 5 competition tasks 1975 lacked Level 3 witnesses other tasks Harley Michaelis 1969 Miskeet sailplane Jouster 15th published design Note LSF #023 Its cleanliness immediately apparent Nothing hangs out wingeven hingelines hairlines tips lock tightly snug fit wing saddle fin-fuselage joints filleted small glass canopy merges smoothly fuselage lines see canopy source below stab close fit fin fuselage sleek slim narrow oval-shaped cross sections Contributing clean wing new type easily made all-internal Direct Aileron Driver DAD DADs eliminate slop bind unsightly clutter horns backplates bolts devises threaded rods set nuts bulky exit guides ratty-looking slots Inside utmost simplicity music wire pushrod goes directly DAD servo no intermediate linkages flap mechanism also internal always flight-ready hairline hinges moving surfaces utilize Ace RICs rubber Harleys Hinges flying surfaces butt fit beveling spacing rounding simply pivot edges hinges installed under light tension surfaces hug other lock eliminating unsightly gaps tape hinging DADs aero dynamically clean lines low-drag airfoil clean wing attachment close-fitting canopy model just whispers testimony overall cleanliness Light wing tip sections help firm roll response thermal indication wing tips firmly supported light spring-steel blades see below source slip light sturdy receptacles secured between center-section spars simple spring-loaded connect/disconnect setup quickly couples aileron mechanics between center tips wing planform Schuemann variation straight TE several breaks provide clean chordwise airflow experimented various LE break points angles LE radius near tips tip chord washout features used model worked best practice raked Christensen extreme tip feathered its /32 plywood core piece yam attached testing displayed no vortex level flightit extended straight back Standard servos rudder elevator mounted tandem fuselage Flap aileron servos fit recess wing center avoiding long extensions necessary outboard servos allows use miniservos rugged microservos Clustering servos keeps mass inboard helping roll response use two flap servos radio mix flaps act ailerons slim curvaceous fuselage Type RC sailplane Wingspan 122 inches Number RC channels recommended Four Expected flying weight 64-72 oz Type construction Sheeted foamcore wing fiberglass/balsa fuselage fin balsa stabilizer Type covering/finish recommended UltraCote epoxy enamel polyurethane wood glassed over painted beautiful appearance has two formers actually quite simple make glassing procedure detailed plan sheet yields structure plenty rugged despite delicate appearance tail Carbon fiber/epoxy laminate also used calamities nose buried foot area survived intact long distinctive droop snoot serves several practical purposes no low belly rotate lose landing points lowers center gravity CG top-mounted wing extended hands-off flight possibleunusual high-per formance low-dihedral non-polyhedral model nose shape keeps wing high 18 Model Aviation l fiberglass canopy shaped fit around wings leading edge Wing secured recessed nylon bolts Eye-catching color scheme easy-to-make logo accomplished Goldberg Ultra Cote Zynolyte Premium Polyurethane paint UltraCote also used wing trim Light tips help roll response thermal indication Raked Christensen tip feathered /32 plywood core Tip shape helps chordwise airflow Part authors personal Jouster fleet inciuaing tour OT six moaeis Duilt since 1991 Friends have built 12 others during time / P000000 Elf TAIL Full Size Plans AvailableSee Page 184 STABILATORARA 1/BYBBERHAY jII~ FUSELAGE lOP VIEW /FIN RUD AVBIYTMB9HHYABAAALA BOSE HONELB BYIUELLCBABIK SUPPORT -I FUSELAGE SIDE VIEW 7ATH BAY4j~A~"-MODEL AVIATION ___ IABRABA___ BAI J1z}jABA---~OBSIABCO HARLEY BIOBABLIS July1993 19 END VIEW SLAturu FOIL PLOTS RECErOCLO ENLOOOOO,___________ oxs LONG~- ____ _rxO"I~ NG PLAN-RIGHT SIDE j-1L 7 FLAP-- -AILERON IUOOELOVIOTION ~-THE OUSTER WING NON VIEW AT CANTOR 1 during landings saves gears flaps down makes catching wing tip less likely During landings low-point integral sharks teeth first part model touch ground dig brake model Since canopy small light its less likely come off during sudden stop would cause loss landing points Jouster brought level slow flaps neutralized just before touchdown model will usually pancake stay put intended spot all-moving stab has rigid mount pushrod triangular bellcrank combine well-defined neutral setting Internal rubber grippers securely retain stab halves assures fine-tuned positive safe pitch control through wide range flying speeds rudder cable-operated long slim front end has space Sanyo 800-mAh stick battery pack SR makes 1 400-mAh pack same size weight Use packs combined models long nose light tail section make possible achieve desired CG addition lead up front contributes models buoyancy pitch-axis response models weights ranged 64 72 ounces wing loadings nine 10 ounces per square foot Detailed construction text provided 20 Model Aviation 3EE BLSA8LSP RIBS PLY STRIP ALE FOAM CORE WItII ~2LE032 SPRING STEFL SUB L EHARLF5 HINGES KEVLAR REIF4FORCFMEN BRLSI. RIBS PlY FUSE SIPES USE SIIES SPYINNERFUNNY Lv1-rLE PINE 4ALUM notched spring-steel blade set $250 postage paid molded polyester hatch $4 available Harley Michaelis 26 S Roosevelt Walla Walla WA 99362 Tel 509 529-2562 * 22 Model Aviation shed fuselage 1/16 aluminum sharks teeth Fiberglass hatch available authorsee text plans step-by-step explanation given clarify procedures minimize building 16 Jousters built author Spars one-piece flat center section time materials list included SD7032 sandwiches plywood carbon fiber Versatile model designed competition handles easily sport flying well plots provided prefer make templates cut own cores Sources Fine extruded cores SD7032 airfoil available Harry Smith 814 Home Walla Walla WA 99362 Tel 509 525-1554 Price $40 postage paid
Edition: Model Aviation - 1993/07
Page Numbers: 16, 17, 18, 19, 20, 21, 22
A -tech low-cost RC sailplane offers high performance excellent handling characteristics U Harley Michaelis 16 Model Aviation JOUSTER its origins Atrix December 1986 MA capable efficient sophisticated sailplane specifically designed low-tech low-cost scratch-building properly built trimmed should please discriminating soaring fraternity its designed competition its easy handling suits sport flying too Its performance simply everything desired thermal airplane tows steeply zooms well buoyant thermalsensitive responds promptly stick input does flat turns rudder does wrenching turns coupled ailerons can safely pushed speed descends vertically flaps down slows well landings Stalls gentle displays especially flat glide low sink rate excellent penetration addition ballast totally predictable no bad habits optimum performance model can utilize capabilities todays sophisticated radios Jouster can flown basic four-channel sets primary departure typical plugin wing panels one-piece flat center section have built some 30 sailplanes general type including 16 Jousters improved some way reach present state refinement variety airfoils have used including E205 S2091 S4061 5D7037 favored presented 5D7032 fully sheeted foam cores see core source below Center-section spars sandwiches plywood strips carbon fiber laminate give wing bending resistance under high stress Using Jouster flown Expert class 1990 first season points standing NWSS group some 100 fliers kitted designs numerically dominant Although have completed Level 5 League Silent Flight LSF requirements claim no real expertiseI prefer give credit model Jouster definitely mn-of-themill truly beautiful original design full practical innovations Lets take walk around Above Wing tips atfach detach easily supported spring-steel blades lock tips firmly place July1993 17 began model building age 8 stripping up bamboo rakes cedar shingles fence posts old cigar boxes building materials Covering early models tissue wrapping paper adhesives flour water school paste LePages 48-Hour Iron Glue later pursued rubber power free flight since 1967 RC sailplanes Mod-Pod Hi-Pro Miskeet Easy Eagle designs have kitted Jouster 15th published design Im now retired totally involved-for-fun designer builder competitor greatest satisfaction discovering new things others enjoy Jouster includes things League Silent Eight LSF #0231 am Level 4 did Level 5 competition tasks 1975 lacked Level 3 witnesses other tasks Harley Michaelis 1969 Miskeet sailplane Jouster 15th published design Note LSF #023 Its cleanliness immediately apparent Nothing hangs out wingeven hingelines hairlines tips lock tightly snug fit wing saddle fin-fuselage joints filleted small glass canopy merges smoothly fuselage lines see canopy source below stab close fit fin fuselage sleek slim narrow oval-shaped cross sections Contributing clean wing new type easily made all-internal Direct Aileron Driver DAD DADs eliminate slop bind unsightly clutter horns backplates bolts devises threaded rods set nuts bulky exit guides ratty-looking slots Inside utmost simplicity music wire pushrod goes directly DAD servo no intermediate linkages flap mechanism also internal always flight-ready hairline hinges moving surfaces utilize Ace RICs rubber Harleys Hinges flying surfaces butt fit beveling spacing rounding simply pivot edges hinges installed under light tension surfaces hug other lock eliminating unsightly gaps tape hinging DADs aero dynamically clean lines low-drag airfoil clean wing attachment close-fitting canopy model just whispers testimony overall cleanliness Light wing tip sections help firm roll response thermal indication wing tips firmly supported light spring-steel blades see below source slip light sturdy receptacles secured between center-section spars simple spring-loaded connect/disconnect setup quickly couples aileron mechanics between center tips wing planform Schuemann variation straight TE several breaks provide clean chordwise airflow experimented various LE break points angles LE radius near tips tip chord washout features used model worked best practice raked Christensen extreme tip feathered its /32 plywood core piece yam attached testing displayed no vortex level flightit extended straight back Standard servos rudder elevator mounted tandem fuselage Flap aileron servos fit recess wing center avoiding long extensions necessary outboard servos allows use miniservos rugged microservos Clustering servos keeps mass inboard helping roll response use two flap servos radio mix flaps act ailerons slim curvaceous fuselage Type RC sailplane Wingspan 122 inches Number RC channels recommended Four Expected flying weight 64-72 oz Type construction Sheeted foamcore wing fiberglass/balsa fuselage fin balsa stabilizer Type covering/finish recommended UltraCote epoxy enamel polyurethane wood glassed over painted beautiful appearance has two formers actually quite simple make glassing procedure detailed plan sheet yields structure plenty rugged despite delicate appearance tail Carbon fiber/epoxy laminate also used calamities nose buried foot area survived intact long distinctive droop snoot serves several practical purposes no low belly rotate lose landing points lowers center gravity CG top-mounted wing extended hands-off flight possibleunusual high-per formance low-dihedral non-polyhedral model nose shape keeps wing high 18 Model Aviation l fiberglass canopy shaped fit around wings leading edge Wing secured recessed nylon bolts Eye-catching color scheme easy-to-make logo accomplished Goldberg Ultra Cote Zynolyte Premium Polyurethane paint UltraCote also used wing trim Light tips help roll response thermal indication Raked Christensen tip feathered /32 plywood core Tip shape helps chordwise airflow Part authors personal Jouster fleet inciuaing tour OT six moaeis Duilt since 1991 Friends have built 12 others during time / P000000 Elf TAIL Full Size Plans AvailableSee Page 184 STABILATORARA 1/BYBBERHAY jII~ FUSELAGE lOP VIEW /FIN RUD AVBIYTMB9HHYABAAALA BOSE HONELB BYIUELLCBABIK SUPPORT -I FUSELAGE SIDE VIEW 7ATH BAY4j~A~"-MODEL AVIATION ___ IABRABA___ BAI J1z}jABA---~OBSIABCO HARLEY BIOBABLIS July1993 19 END VIEW SLAturu FOIL PLOTS RECErOCLO ENLOOOOO,___________ oxs LONG~- ____ _rxO"I~ NG PLAN-RIGHT SIDE j-1L 7 FLAP-- -AILERON IUOOELOVIOTION ~-THE OUSTER WING NON VIEW AT CANTOR 1 during landings saves gears flaps down makes catching wing tip less likely During landings low-point integral sharks teeth first part model touch ground dig brake model Since canopy small light its less likely come off during sudden stop would cause loss landing points Jouster brought level slow flaps neutralized just before touchdown model will usually pancake stay put intended spot all-moving stab has rigid mount pushrod triangular bellcrank combine well-defined neutral setting Internal rubber grippers securely retain stab halves assures fine-tuned positive safe pitch control through wide range flying speeds rudder cable-operated long slim front end has space Sanyo 800-mAh stick battery pack SR makes 1 400-mAh pack same size weight Use packs combined models long nose light tail section make possible achieve desired CG addition lead up front contributes models buoyancy pitch-axis response models weights ranged 64 72 ounces wing loadings nine 10 ounces per square foot Detailed construction text provided 20 Model Aviation 3EE BLSA8LSP RIBS PLY STRIP ALE FOAM CORE WItII ~2LE032 SPRING STEFL SUB L EHARLF5 HINGES KEVLAR REIF4FORCFMEN BRLSI. RIBS PlY FUSE SIPES USE SIIES SPYINNERFUNNY Lv1-rLE PINE 4ALUM notched spring-steel blade set $250 postage paid molded polyester hatch $4 available Harley Michaelis 26 S Roosevelt Walla Walla WA 99362 Tel 509 529-2562 * 22 Model Aviation shed fuselage 1/16 aluminum sharks teeth Fiberglass hatch available authorsee text plans step-by-step explanation given clarify procedures minimize building 16 Jousters built author Spars one-piece flat center section time materials list included SD7032 sandwiches plywood carbon fiber Versatile model designed competition handles easily sport flying well plots provided prefer make templates cut own cores Sources Fine extruded cores SD7032 airfoil available Harry Smith 814 Home Walla Walla WA 99362 Tel 509 525-1554 Price $40 postage paid
Edition: Model Aviation - 1993/07
Page Numbers: 16, 17, 18, 19, 20, 21, 22
A -tech low-cost RC sailplane offers high performance excellent handling characteristics U Harley Michaelis 16 Model Aviation JOUSTER its origins Atrix December 1986 MA capable efficient sophisticated sailplane specifically designed low-tech low-cost scratch-building properly built trimmed should please discriminating soaring fraternity its designed competition its easy handling suits sport flying too Its performance simply everything desired thermal airplane tows steeply zooms well buoyant thermalsensitive responds promptly stick input does flat turns rudder does wrenching turns coupled ailerons can safely pushed speed descends vertically flaps down slows well landings Stalls gentle displays especially flat glide low sink rate excellent penetration addition ballast totally predictable no bad habits optimum performance model can utilize capabilities todays sophisticated radios Jouster can flown basic four-channel sets primary departure typical plugin wing panels one-piece flat center section have built some 30 sailplanes general type including 16 Jousters improved some way reach present state refinement variety airfoils have used including E205 S2091 S4061 5D7037 favored presented 5D7032 fully sheeted foam cores see core source below Center-section spars sandwiches plywood strips carbon fiber laminate give wing bending resistance under high stress Using Jouster flown Expert class 1990 first season points standing NWSS group some 100 fliers kitted designs numerically dominant Although have completed Level 5 League Silent Flight LSF requirements claim no real expertiseI prefer give credit model Jouster definitely mn-of-themill truly beautiful original design full practical innovations Lets take walk around Above Wing tips atfach detach easily supported spring-steel blades lock tips firmly place July1993 17 began model building age 8 stripping up bamboo rakes cedar shingles fence posts old cigar boxes building materials Covering early models tissue wrapping paper adhesives flour water school paste LePages 48-Hour Iron Glue later pursued rubber power free flight since 1967 RC sailplanes Mod-Pod Hi-Pro Miskeet Easy Eagle designs have kitted Jouster 15th published design Im now retired totally involved-for-fun designer builder competitor greatest satisfaction discovering new things others enjoy Jouster includes things League Silent Eight LSF #0231 am Level 4 did Level 5 competition tasks 1975 lacked Level 3 witnesses other tasks Harley Michaelis 1969 Miskeet sailplane Jouster 15th published design Note LSF #023 Its cleanliness immediately apparent Nothing hangs out wingeven hingelines hairlines tips lock tightly snug fit wing saddle fin-fuselage joints filleted small glass canopy merges smoothly fuselage lines see canopy source below stab close fit fin fuselage sleek slim narrow oval-shaped cross sections Contributing clean wing new type easily made all-internal Direct Aileron Driver DAD DADs eliminate slop bind unsightly clutter horns backplates bolts devises threaded rods set nuts bulky exit guides ratty-looking slots Inside utmost simplicity music wire pushrod goes directly DAD servo no intermediate linkages flap mechanism also internal always flight-ready hairline hinges moving surfaces utilize Ace RICs rubber Harleys Hinges flying surfaces butt fit beveling spacing rounding simply pivot edges hinges installed under light tension surfaces hug other lock eliminating unsightly gaps tape hinging DADs aero dynamically clean lines low-drag airfoil clean wing attachment close-fitting canopy model just whispers testimony overall cleanliness Light wing tip sections help firm roll response thermal indication wing tips firmly supported light spring-steel blades see below source slip light sturdy receptacles secured between center-section spars simple spring-loaded connect/disconnect setup quickly couples aileron mechanics between center tips wing planform Schuemann variation straight TE several breaks provide clean chordwise airflow experimented various LE break points angles LE radius near tips tip chord washout features used model worked best practice raked Christensen extreme tip feathered its /32 plywood core piece yam attached testing displayed no vortex level flightit extended straight back Standard servos rudder elevator mounted tandem fuselage Flap aileron servos fit recess wing center avoiding long extensions necessary outboard servos allows use miniservos rugged microservos Clustering servos keeps mass inboard helping roll response use two flap servos radio mix flaps act ailerons slim curvaceous fuselage Type RC sailplane Wingspan 122 inches Number RC channels recommended Four Expected flying weight 64-72 oz Type construction Sheeted foamcore wing fiberglass/balsa fuselage fin balsa stabilizer Type covering/finish recommended UltraCote epoxy enamel polyurethane wood glassed over painted beautiful appearance has two formers actually quite simple make glassing procedure detailed plan sheet yields structure plenty rugged despite delicate appearance tail Carbon fiber/epoxy laminate also used calamities nose buried foot area survived intact long distinctive droop snoot serves several practical purposes no low belly rotate lose landing points lowers center gravity CG top-mounted wing extended hands-off flight possibleunusual high-per formance low-dihedral non-polyhedral model nose shape keeps wing high 18 Model Aviation l fiberglass canopy shaped fit around wings leading edge Wing secured recessed nylon bolts Eye-catching color scheme easy-to-make logo accomplished Goldberg Ultra Cote Zynolyte Premium Polyurethane paint UltraCote also used wing trim Light tips help roll response thermal indication Raked Christensen tip feathered /32 plywood core Tip shape helps chordwise airflow Part authors personal Jouster fleet inciuaing tour OT six moaeis Duilt since 1991 Friends have built 12 others during time / P000000 Elf TAIL Full Size Plans AvailableSee Page 184 STABILATORARA 1/BYBBERHAY jII~ FUSELAGE lOP VIEW /FIN RUD AVBIYTMB9HHYABAAALA BOSE HONELB BYIUELLCBABIK SUPPORT -I FUSELAGE SIDE VIEW 7ATH BAY4j~A~"-MODEL AVIATION ___ IABRABA___ BAI J1z}jABA---~OBSIABCO HARLEY BIOBABLIS July1993 19 END VIEW SLAturu FOIL PLOTS RECErOCLO ENLOOOOO,___________ oxs LONG~- ____ _rxO"I~ NG PLAN-RIGHT SIDE j-1L 7 FLAP-- -AILERON IUOOELOVIOTION ~-THE OUSTER WING NON VIEW AT CANTOR 1 during landings saves gears flaps down makes catching wing tip less likely During landings low-point integral sharks teeth first part model touch ground dig brake model Since canopy small light its less likely come off during sudden stop would cause loss landing points Jouster brought level slow flaps neutralized just before touchdown model will usually pancake stay put intended spot all-moving stab has rigid mount pushrod triangular bellcrank combine well-defined neutral setting Internal rubber grippers securely retain stab halves assures fine-tuned positive safe pitch control through wide range flying speeds rudder cable-operated long slim front end has space Sanyo 800-mAh stick battery pack SR makes 1 400-mAh pack same size weight Use packs combined models long nose light tail section make possible achieve desired CG addition lead up front contributes models buoyancy pitch-axis response models weights ranged 64 72 ounces wing loadings nine 10 ounces per square foot Detailed construction text provided 20 Model Aviation 3EE BLSA8LSP RIBS PLY STRIP ALE FOAM CORE WItII ~2LE032 SPRING STEFL SUB L EHARLF5 HINGES KEVLAR REIF4FORCFMEN BRLSI. RIBS PlY FUSE SIPES USE SIIES SPYINNERFUNNY Lv1-rLE PINE 4ALUM notched spring-steel blade set $250 postage paid molded polyester hatch $4 available Harley Michaelis 26 S Roosevelt Walla Walla WA 99362 Tel 509 529-2562 * 22 Model Aviation shed fuselage 1/16 aluminum sharks teeth Fiberglass hatch available authorsee text plans step-by-step explanation given clarify procedures minimize building 16 Jousters built author Spars one-piece flat center section time materials list included SD7032 sandwiches plywood carbon fiber Versatile model designed competition handles easily sport flying well plots provided prefer make templates cut own cores Sources Fine extruded cores SD7032 airfoil available Harry Smith 814 Home Walla Walla WA 99362 Tel 509 525-1554 Price $40 postage paid