The finished model seems raring towing sweepoack negative Siiral snow nere Tne plan ShowS built-in down thrust needed prevent looping under power Depending upon power OT engine may need add downthrust DESIGN DEVELOPMENTS Free Flight models since Thirties have new innovation art has regenerated Individuals such Maxwell Bassett Carl Goldberg Henry Struck Sal Taibi have implanted new thresholds design formeach acute perception model Manta 250 much new development bringing together past proven elements variant form Back closing years World War II very efficient wing piston-engined fighter planes developed featured sweepback leading edge center section forward curvature tips never developed production aircraft due advent ofjet engines supersonic flight Left workings power system show viewprincipals Cox TD 049 engine KSB clockwork engine-run timer Right Gabe Bedish author/designer isnt newcomerto FF modeling means proclaims model successful 64 Model Aviation borrowed tfle Manta wing idea applied model seems give great stability reduced stalling charac teristics permits rearward balance point stabilizer anhedral seems help model roll well climb am very pleased models performance minimum flight adjust ments ready competition flying building model medium-hard FULL-SIZE PLANS AVAILABLE . SEE PAGE 172 kINTIIO NA LB \IN STEEl IIBNSIN BALSA L E / NSISII II IFIOF S TA IL IT IS lOIN N B JVIANTA 2iL NN NPAST PROVEN ELEMENTS TO AVEBIANT POEM POP NAWN NANRIEL RESISTTEASES ANT lANES NN STABILIZER 05B560 N 1104 EVA /NEBLU111N ElSE ORAL [1 KOTTOM VIEW~\lSIN STEET IIBN SIB SAPOBOOSNOSE ENS FUNKES ENOINE BEAMSTITS ISA- OBEET PUT SVES ON FIESTI \r 515 FLENOTS jIIlSNALSA NOTE OLL BINS B STATILITER ElKS c1i EKE OF ISlE SHEET BALSA ENCEFT IT NALSA1iIiIIIIIIIXXZZZZzo IIE SICETIMZiZZZZIZN flI7 IONISIS ST NIRE TEE TEE 045 EF FSLN OITLNE/11K - I SI PEKFEET ATE REETANE CROSS MEMNERS BTE IIIBN 114 FUSELAGE SMUFFER TUBE IINN lIE IA THEE 0 can tell size 1/2A Free Flight its really meant move out climb author has found wing shape combined models general propor tions anhedraled stabilizer make easier-to-trim model normE Gabriel Bedish balsa used throughout Use straight grained strip wood Wing Leading edge sheeting 1/16 balsa single spar utilized Build wing one-piece urnt directly over plan piece Saran Wrap over plan will prevent glue joints sticking After glue dry wing unit put trimmed spar dihedral Start outer panels gluing trimmed ends 5-mm epoxy speed work along put spar dihedral braces center panel dihedral goes last wing finished gluing leading edge planking tips placed 600 bottom trim leading edge dont round bottom will adversely affect glide Tail Build directly over plan glue has dried put negative dihedral attach leading edge sheeting Use extra coat glue center joint no spar stabilizer due its thin airfoil Glue wire dethermalizer hooks leading edge stabilizer round leading edges stab rudder taper rudder trailing edge Fuselage design will produce strong lightweight warp-free structure First cut out sheet balsa sides Using pencil mark inside bottom sheet cross-brace pieces Pin bottom sheet plan glue longerons crosspieces pylon raised strips indicated width Making paper template pylon recommended Mount pylon Attach top side sheeting cut out balsa formers plywood firewall landing gear mount should epoxy landing skid place well engine mounts firewall Cut out place Continued page 152 June1985 65 / / IISS&E WING PLAN NOES ION SHEET Above fuselage construction lightweight strong warp resistant Author credits Sal Talbi method Right structures have built sanded ready covering Silk recommended though silkspan may used ELECTRIC MODEL SAILPLANE SPECIALISTS 1981 World Soaring Champ DWIGHT HOLLEY IS PROUD TO ANNOUNCE NEW COMPANY TO HELP BOTH BEGINNER & EXPERT FLY INTO THE NEW ERA OF ELECTRIC AIRCRAFT WE ALSO OFFER SELECT FEW PURE SAILPLANES 4 DEMONSTRATION FLIGHTS CHECK OUT ANDIOR TEST FLIGHTS OF I0OR NEW PLANES CALL OR WRITE 5FOR FREE DESCRIPTIVE FLYER O UPS COD FOR IMMEDIATE SHIPMENT ELECTRIC KITS IN STOCK AEROBATIC OLOTIMER SPORTSCALE GLIDERS HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 FEAlURING ONLY STATE OF ThE ART ITEMS U U 1 m m N 0 2 -I 21 0 r r U 21 21 61 21 C 1 2 U 21 C z HI 21 ELThINAIE LEAD STICK ANDThX Fits OS 4 stroke & standard glow plugs Ccsnplete HEAD IIXX tbrk III GP connector external start external start/charge jack charger w/HEAD IIXX connector quality 12 Nicad w/nxunt Caletely assnbled ready nixint nothing else buy IS uBde SINGLE CYL $3795 ThAJ CYL $4495 person taken another person feel should have paid item have please let know about Ill try sort out send photos taken another person please include his/her address Writing Caption material back photos OK although often transfers front another photo best caption material written piece paper taped back photo such way can read front Thats now Ill back two months Keep cards letters photos coming Bob Meuser 4200 Gregory St Oak land CA 94619 Manta 250/Bedish Continued page 65 fuel tank mount Cover front fuselage section hard balsa sheet ing Attach wing mount after epoxygluing wire wing hooks Run fillet glue corner joint wing mount pylon added strength Round corners fuselage trim stabil izer mount Glue stabilizer mount brace place may need ballast box front end fuselage due light weight Cox TD 049 Covering/finishing fine sandpaper go over entire model smooth surfaces Trim away surface glue blobs recommend covering model either silkspan silk Silk resistant punctures covered model silk applied three coats clear nitrate dope recommend kind dope because allows steaming-out warps wont come back fuselage brushed two coats clear dope sanded smooth After two coats color applied Put engine KSB timer fuel tubing Dont forget dethermalizer snuf fer tube rear hooks Recess top hook bottom rudder cement rudder atop stabilizer Flying use 20 left thrust 3/32-in right rudder right turn climb glide model will turn either way very sensitive rudder changes use rudder adjustment sparingly neces sary downthrust drawn plan large stabilizer helps overcome looping tendency Balance model indicated ad ding lead shot BBs nose ballast box Hand glide model until long smooth descent obtained model really moves under power use bottomlow throttle 3/32-in rudder offset 5-sec engine run bottom-low throttle model will spiral up steeply After everything okay can gradually open up engine full power believe Manta wing holds great potential high-performance Free Flight models rate have built design will have real contender contest Good luck very own Manta 250 Fl C Tech/Cowley Continued page 68 Stuarts models Goulburn under control time thanks complete set gadgets ever grace Power shipincluding VIT auto-rudder wing-wiggler bunt set fifth place except 64-sec disaster last round subsequent letter tells further experiments moment arm extended 600mm 860 great improvement climb stability now plans 1000mm version thoughts dispensing VIT altogetherfull circle Another project hes working manufacture fiberglass/carbon props made pattern props Chinese using Australia avail able shaft sizes order $600 plus $500 postage packing Joe Supercool PO Box 40 Kingswood 2750 NSW Australia Stewart tells hes saving up go Yugoslavia 1985 50 could help him get airfare Continued page 154 152Model Aviation HEAD LOCK On-Board Pb C U wi AJ Fireball owhe pie. availble Imihe lam. A-l FImball Plans show six production variants plus FOUR modified designs including Reeball Bipe beautitni Sportster set also includes Fireball Roats instructions atewothernicesueprisesOrderyonrFirehajl Plan PakTODAY start huildingyosrown A-JAIR FORCE COLLECTION Price includes Malhisg Tube Rrst Class tIPS delivejy charges price complete $2500 74GIidr5IgtrPk 110flJIA#JjIAltP 745 Pu9415pJ5 454Bujtd,Kil$395AIRCRAnCO 4AItF1595PO 9064552lonerl U4RTr1795P 5401 501 555a JFu P5I
Edition: Model Aviation - 1985/06
Page Numbers: 64, 65, 152
The finished model seems raring towing sweepoack negative Siiral snow nere Tne plan ShowS built-in down thrust needed prevent looping under power Depending upon power OT engine may need add downthrust DESIGN DEVELOPMENTS Free Flight models since Thirties have new innovation art has regenerated Individuals such Maxwell Bassett Carl Goldberg Henry Struck Sal Taibi have implanted new thresholds design formeach acute perception model Manta 250 much new development bringing together past proven elements variant form Back closing years World War II very efficient wing piston-engined fighter planes developed featured sweepback leading edge center section forward curvature tips never developed production aircraft due advent ofjet engines supersonic flight Left workings power system show viewprincipals Cox TD 049 engine KSB clockwork engine-run timer Right Gabe Bedish author/designer isnt newcomerto FF modeling means proclaims model successful 64 Model Aviation borrowed tfle Manta wing idea applied model seems give great stability reduced stalling charac teristics permits rearward balance point stabilizer anhedral seems help model roll well climb am very pleased models performance minimum flight adjust ments ready competition flying building model medium-hard FULL-SIZE PLANS AVAILABLE . SEE PAGE 172 kINTIIO NA LB \IN STEEl IIBNSIN BALSA L E / NSISII II IFIOF S TA IL IT IS lOIN N B JVIANTA 2iL NN NPAST PROVEN ELEMENTS TO AVEBIANT POEM POP NAWN NANRIEL RESISTTEASES ANT lANES NN STABILIZER 05B560 N 1104 EVA /NEBLU111N ElSE ORAL [1 KOTTOM VIEW~\lSIN STEET IIBN SIB SAPOBOOSNOSE ENS FUNKES ENOINE BEAMSTITS ISA- OBEET PUT SVES ON FIESTI \r 515 FLENOTS jIIlSNALSA NOTE OLL BINS B STATILITER ElKS c1i EKE OF ISlE SHEET BALSA ENCEFT IT NALSA1iIiIIIIIIIXXZZZZzo IIE SICETIMZiZZZZIZN flI7 IONISIS ST NIRE TEE TEE 045 EF FSLN OITLNE/11K - I SI PEKFEET ATE REETANE CROSS MEMNERS BTE IIIBN 114 FUSELAGE SMUFFER TUBE IINN lIE IA THEE 0 can tell size 1/2A Free Flight its really meant move out climb author has found wing shape combined models general propor tions anhedraled stabilizer make easier-to-trim model normE Gabriel Bedish balsa used throughout Use straight grained strip wood Wing Leading edge sheeting 1/16 balsa single spar utilized Build wing one-piece urnt directly over plan piece Saran Wrap over plan will prevent glue joints sticking After glue dry wing unit put trimmed spar dihedral Start outer panels gluing trimmed ends 5-mm epoxy speed work along put spar dihedral braces center panel dihedral goes last wing finished gluing leading edge planking tips placed 600 bottom trim leading edge dont round bottom will adversely affect glide Tail Build directly over plan glue has dried put negative dihedral attach leading edge sheeting Use extra coat glue center joint no spar stabilizer due its thin airfoil Glue wire dethermalizer hooks leading edge stabilizer round leading edges stab rudder taper rudder trailing edge Fuselage design will produce strong lightweight warp-free structure First cut out sheet balsa sides Using pencil mark inside bottom sheet cross-brace pieces Pin bottom sheet plan glue longerons crosspieces pylon raised strips indicated width Making paper template pylon recommended Mount pylon Attach top side sheeting cut out balsa formers plywood firewall landing gear mount should epoxy landing skid place well engine mounts firewall Cut out place Continued page 152 June1985 65 / / IISS&E WING PLAN NOES ION SHEET Above fuselage construction lightweight strong warp resistant Author credits Sal Talbi method Right structures have built sanded ready covering Silk recommended though silkspan may used ELECTRIC MODEL SAILPLANE SPECIALISTS 1981 World Soaring Champ DWIGHT HOLLEY IS PROUD TO ANNOUNCE NEW COMPANY TO HELP BOTH BEGINNER & EXPERT FLY INTO THE NEW ERA OF ELECTRIC AIRCRAFT WE ALSO OFFER SELECT FEW PURE SAILPLANES 4 DEMONSTRATION FLIGHTS CHECK OUT ANDIOR TEST FLIGHTS OF I0OR NEW PLANES CALL OR WRITE 5FOR FREE DESCRIPTIVE FLYER O UPS COD FOR IMMEDIATE SHIPMENT ELECTRIC KITS IN STOCK AEROBATIC OLOTIMER SPORTSCALE GLIDERS HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 FEAlURING ONLY STATE OF ThE ART ITEMS U U 1 m m N 0 2 -I 21 0 r r U 21 21 61 21 C 1 2 U 21 C z HI 21 ELThINAIE LEAD STICK ANDThX Fits OS 4 stroke & standard glow plugs Ccsnplete HEAD IIXX tbrk III GP connector external start external start/charge jack charger w/HEAD IIXX connector quality 12 Nicad w/nxunt Caletely assnbled ready nixint nothing else buy IS uBde SINGLE CYL $3795 ThAJ CYL $4495 person taken another person feel should have paid item have please let know about Ill try sort out send photos taken another person please include his/her address Writing Caption material back photos OK although often transfers front another photo best caption material written piece paper taped back photo such way can read front Thats now Ill back two months Keep cards letters photos coming Bob Meuser 4200 Gregory St Oak land CA 94619 Manta 250/Bedish Continued page 65 fuel tank mount Cover front fuselage section hard balsa sheet ing Attach wing mount after epoxygluing wire wing hooks Run fillet glue corner joint wing mount pylon added strength Round corners fuselage trim stabil izer mount Glue stabilizer mount brace place may need ballast box front end fuselage due light weight Cox TD 049 Covering/finishing fine sandpaper go over entire model smooth surfaces Trim away surface glue blobs recommend covering model either silkspan silk Silk resistant punctures covered model silk applied three coats clear nitrate dope recommend kind dope because allows steaming-out warps wont come back fuselage brushed two coats clear dope sanded smooth After two coats color applied Put engine KSB timer fuel tubing Dont forget dethermalizer snuf fer tube rear hooks Recess top hook bottom rudder cement rudder atop stabilizer Flying use 20 left thrust 3/32-in right rudder right turn climb glide model will turn either way very sensitive rudder changes use rudder adjustment sparingly neces sary downthrust drawn plan large stabilizer helps overcome looping tendency Balance model indicated ad ding lead shot BBs nose ballast box Hand glide model until long smooth descent obtained model really moves under power use bottomlow throttle 3/32-in rudder offset 5-sec engine run bottom-low throttle model will spiral up steeply After everything okay can gradually open up engine full power believe Manta wing holds great potential high-performance Free Flight models rate have built design will have real contender contest Good luck very own Manta 250 Fl C Tech/Cowley Continued page 68 Stuarts models Goulburn under control time thanks complete set gadgets ever grace Power shipincluding VIT auto-rudder wing-wiggler bunt set fifth place except 64-sec disaster last round subsequent letter tells further experiments moment arm extended 600mm 860 great improvement climb stability now plans 1000mm version thoughts dispensing VIT altogetherfull circle Another project hes working manufacture fiberglass/carbon props made pattern props Chinese using Australia avail able shaft sizes order $600 plus $500 postage packing Joe Supercool PO Box 40 Kingswood 2750 NSW Australia Stewart tells hes saving up go Yugoslavia 1985 50 could help him get airfare Continued page 154 152Model Aviation HEAD LOCK On-Board Pb C U wi AJ Fireball owhe pie. availble Imihe lam. A-l FImball Plans show six production variants plus FOUR modified designs including Reeball Bipe beautitni Sportster set also includes Fireball Roats instructions atewothernicesueprisesOrderyonrFirehajl Plan PakTODAY start huildingyosrown A-JAIR FORCE COLLECTION Price includes Malhisg Tube Rrst Class tIPS delivejy charges price complete $2500 74GIidr5IgtrPk 110flJIA#JjIAltP 745 Pu9415pJ5 454Bujtd,Kil$395AIRCRAnCO 4AItF1595PO 9064552lonerl U4RTr1795P 5401 501 555a JFu P5I
Edition: Model Aviation - 1985/06
Page Numbers: 64, 65, 152
The finished model seems raring towing sweepoack negative Siiral snow nere Tne plan ShowS built-in down thrust needed prevent looping under power Depending upon power OT engine may need add downthrust DESIGN DEVELOPMENTS Free Flight models since Thirties have new innovation art has regenerated Individuals such Maxwell Bassett Carl Goldberg Henry Struck Sal Taibi have implanted new thresholds design formeach acute perception model Manta 250 much new development bringing together past proven elements variant form Back closing years World War II very efficient wing piston-engined fighter planes developed featured sweepback leading edge center section forward curvature tips never developed production aircraft due advent ofjet engines supersonic flight Left workings power system show viewprincipals Cox TD 049 engine KSB clockwork engine-run timer Right Gabe Bedish author/designer isnt newcomerto FF modeling means proclaims model successful 64 Model Aviation borrowed tfle Manta wing idea applied model seems give great stability reduced stalling charac teristics permits rearward balance point stabilizer anhedral seems help model roll well climb am very pleased models performance minimum flight adjust ments ready competition flying building model medium-hard FULL-SIZE PLANS AVAILABLE . SEE PAGE 172 kINTIIO NA LB \IN STEEl IIBNSIN BALSA L E / NSISII II IFIOF S TA IL IT IS lOIN N B JVIANTA 2iL NN NPAST PROVEN ELEMENTS TO AVEBIANT POEM POP NAWN NANRIEL RESISTTEASES ANT lANES NN STABILIZER 05B560 N 1104 EVA /NEBLU111N ElSE ORAL [1 KOTTOM VIEW~\lSIN STEET IIBN SIB SAPOBOOSNOSE ENS FUNKES ENOINE BEAMSTITS ISA- OBEET PUT SVES ON FIESTI \r 515 FLENOTS jIIlSNALSA NOTE OLL BINS B STATILITER ElKS c1i EKE OF ISlE SHEET BALSA ENCEFT IT NALSA1iIiIIIIIIIXXZZZZzo IIE SICETIMZiZZZZIZN flI7 IONISIS ST NIRE TEE TEE 045 EF FSLN OITLNE/11K - I SI PEKFEET ATE REETANE CROSS MEMNERS BTE IIIBN 114 FUSELAGE SMUFFER TUBE IINN lIE IA THEE 0 can tell size 1/2A Free Flight its really meant move out climb author has found wing shape combined models general propor tions anhedraled stabilizer make easier-to-trim model normE Gabriel Bedish balsa used throughout Use straight grained strip wood Wing Leading edge sheeting 1/16 balsa single spar utilized Build wing one-piece urnt directly over plan piece Saran Wrap over plan will prevent glue joints sticking After glue dry wing unit put trimmed spar dihedral Start outer panels gluing trimmed ends 5-mm epoxy speed work along put spar dihedral braces center panel dihedral goes last wing finished gluing leading edge planking tips placed 600 bottom trim leading edge dont round bottom will adversely affect glide Tail Build directly over plan glue has dried put negative dihedral attach leading edge sheeting Use extra coat glue center joint no spar stabilizer due its thin airfoil Glue wire dethermalizer hooks leading edge stabilizer round leading edges stab rudder taper rudder trailing edge Fuselage design will produce strong lightweight warp-free structure First cut out sheet balsa sides Using pencil mark inside bottom sheet cross-brace pieces Pin bottom sheet plan glue longerons crosspieces pylon raised strips indicated width Making paper template pylon recommended Mount pylon Attach top side sheeting cut out balsa formers plywood firewall landing gear mount should epoxy landing skid place well engine mounts firewall Cut out place Continued page 152 June1985 65 / / IISS&E WING PLAN NOES ION SHEET Above fuselage construction lightweight strong warp resistant Author credits Sal Talbi method Right structures have built sanded ready covering Silk recommended though silkspan may used ELECTRIC MODEL SAILPLANE SPECIALISTS 1981 World Soaring Champ DWIGHT HOLLEY IS PROUD TO ANNOUNCE NEW COMPANY TO HELP BOTH BEGINNER & EXPERT FLY INTO THE NEW ERA OF ELECTRIC AIRCRAFT WE ALSO OFFER SELECT FEW PURE SAILPLANES 4 DEMONSTRATION FLIGHTS CHECK OUT ANDIOR TEST FLIGHTS OF I0OR NEW PLANES CALL OR WRITE 5FOR FREE DESCRIPTIVE FLYER O UPS COD FOR IMMEDIATE SHIPMENT ELECTRIC KITS IN STOCK AEROBATIC OLOTIMER SPORTSCALE GLIDERS HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 FEAlURING ONLY STATE OF ThE ART ITEMS U U 1 m m N 0 2 -I 21 0 r r U 21 21 61 21 C 1 2 U 21 C z HI 21 ELThINAIE LEAD STICK ANDThX Fits OS 4 stroke & standard glow plugs Ccsnplete HEAD IIXX tbrk III GP connector external start external start/charge jack charger w/HEAD IIXX connector quality 12 Nicad w/nxunt Caletely assnbled ready nixint nothing else buy IS uBde SINGLE CYL $3795 ThAJ CYL $4495 person taken another person feel should have paid item have please let know about Ill try sort out send photos taken another person please include his/her address Writing Caption material back photos OK although often transfers front another photo best caption material written piece paper taped back photo such way can read front Thats now Ill back two months Keep cards letters photos coming Bob Meuser 4200 Gregory St Oak land CA 94619 Manta 250/Bedish Continued page 65 fuel tank mount Cover front fuselage section hard balsa sheet ing Attach wing mount after epoxygluing wire wing hooks Run fillet glue corner joint wing mount pylon added strength Round corners fuselage trim stabil izer mount Glue stabilizer mount brace place may need ballast box front end fuselage due light weight Cox TD 049 Covering/finishing fine sandpaper go over entire model smooth surfaces Trim away surface glue blobs recommend covering model either silkspan silk Silk resistant punctures covered model silk applied three coats clear nitrate dope recommend kind dope because allows steaming-out warps wont come back fuselage brushed two coats clear dope sanded smooth After two coats color applied Put engine KSB timer fuel tubing Dont forget dethermalizer snuf fer tube rear hooks Recess top hook bottom rudder cement rudder atop stabilizer Flying use 20 left thrust 3/32-in right rudder right turn climb glide model will turn either way very sensitive rudder changes use rudder adjustment sparingly neces sary downthrust drawn plan large stabilizer helps overcome looping tendency Balance model indicated ad ding lead shot BBs nose ballast box Hand glide model until long smooth descent obtained model really moves under power use bottomlow throttle 3/32-in rudder offset 5-sec engine run bottom-low throttle model will spiral up steeply After everything okay can gradually open up engine full power believe Manta wing holds great potential high-performance Free Flight models rate have built design will have real contender contest Good luck very own Manta 250 Fl C Tech/Cowley Continued page 68 Stuarts models Goulburn under control time thanks complete set gadgets ever grace Power shipincluding VIT auto-rudder wing-wiggler bunt set fifth place except 64-sec disaster last round subsequent letter tells further experiments moment arm extended 600mm 860 great improvement climb stability now plans 1000mm version thoughts dispensing VIT altogetherfull circle Another project hes working manufacture fiberglass/carbon props made pattern props Chinese using Australia avail able shaft sizes order $600 plus $500 postage packing Joe Supercool PO Box 40 Kingswood 2750 NSW Australia Stewart tells hes saving up go Yugoslavia 1985 50 could help him get airfare Continued page 154 152Model Aviation HEAD LOCK On-Board Pb C U wi AJ Fireball owhe pie. availble Imihe lam. A-l FImball Plans show six production variants plus FOUR modified designs including Reeball Bipe beautitni Sportster set also includes Fireball Roats instructions atewothernicesueprisesOrderyonrFirehajl Plan PakTODAY start huildingyosrown A-JAIR FORCE COLLECTION Price includes Malhisg Tube Rrst Class tIPS delivejy charges price complete $2500 74GIidr5IgtrPk 110flJIA#JjIAltP 745 Pu9415pJ5 454Bujtd,Kil$395AIRCRAnCO 4AItF1595PO 9064552lonerl U4RTr1795P 5401 501 555a JFu P5I