IM SORRY missed last month Ive recently started work new major film projectand what can say hours day will try stay current help keep informed whats new world rotarywinged models Toledo has passed now know what can expect find hobby shops 1991 Airtronics will have Infinity 1000 RC system late year saw some proto types recently will fill next month Suffice say Infinity will incredible system Futaba has new mini-electric Helicop ter system complete piece minigyro Altech has pieces make Gold Shuttle superb 30-size allmetal machine wonders cost chopper size really going Miniature Aircraft its new 30-size Hughes 500 E fuselage Triumph still being developed prototypes flying now should available soon Tech Specialtiess Bill Curtis Phoenix display reworked Legend Ive discussed recently ship looked good should available soon Great Planes showing flying Concept 60 new design supersmooth its way will start review stay tuned Robbe Model Sport sent some updates new items just before Toldeo will pass along next suggest contact Robbe its new catalog Robbe/Schluter designs great Helicopters really stand up stay together have promised opportu nity test new Junior 50 II Im look ing forward will pass along further information becomes avail able new Robbe items 1991 Magic-Profi Designed demanding aggressive Pattern pilots Magic-Profi fully upgraded cludes completely ball-raced collective pitch compensator blade holder mixing arms tail rotor lever Standard rotor blades machine trapezoidalshaped epoxy glass main blades epoxy Continued page 103 August 1991 31 Helicopters Larry Jolly 15781 Empire Westminster CA 92683 Marty Kuhns brand-new Concept 60 Great Planes has 05 engine Ky osho muffler super-smooth machine Larry has way will give full report Magic-Profi Robbe/Schiuters top-of-the-line acrobatic machine refined Magic features new collective pitch compensator blade holder mixing arms tail rotor lever Also features new fiberglass main tail rotor blades Robbes redesigned Junior 50 ii features new aerodynamic canopy plastic servo holder Larry will have full report 50-size powerhouse soon available Robbes Champion looks very smart its new side fairings Besides improving aerody namics side panels give better visual orientation machine easier keep track rearward flight character can change groovy twitchy no control allD Toledo 91/Myers Continued page 30 modules expected later year both 72 MHz 75 MHz Futaba will continue sell crystal pairs both 72 75 MHz Hobby Shack showed Excell line new addition its Cirrus line began 1972 described digitized FM/PCM system 512-bit code dual conversion narrow-band receiver accepts either 512 1024-bit code PCM PPM versions available Made Futaba prices range $110 three-servo four-channel FM set $230 four-servo sevenchannel PCM system Cox Hobbies showed prototypes dual conversion narrow-band AM receiver Cobra line now features bean-shaped narrow-band two-and three-channel transmitters $35 upgrade has announced older wideband versions radio system Cox radios usually appear high-production toys like RTF airplanes predict system will find favor among sailplane pilots Users 75 MHz systems have loss sanction 30 channels because 75 MHz AM systems wont modified narrow-band performance IMPRA International Model Power Boat Association held its Directors meeting Toledo during show invited address matter frequencies Afterwards voted sanction use 30 75 MHz channels proviso oddchannel radios must FM think excellent decision because will allow continue wideband radios phase narrow-band equipment becomes available Narrow-band FM transmitters odd channels likely interfere decent wideband receivers channels narrow-band FM receivers odd channels should ignore decent wideband transmitters channels decent wideband system would qualify old RCMA/AMA silver sticker some discussion beginning RCMA/IMPBA sticker system 75 MHz radios nothing settled Now lets look some pictures showD RC Helicopters/Jolly Continued page 31 glass tail rotor blades providing enhanced performance models well-known smooth flying qualities Magic 60 L Helicopter pilots accustomed counterclockwise ThkeA Load Off needs carry around dead weight Sullivan Skylite Its lightest conventional style wheel can buy Engineered unique foam core thin tough rubber skin Skylite cuts weight conventional wheel about half So can take off easier fi ion er maneuver better Whats Skylites rugged build handles repeated take-offs landings bit well its heftiest competitors never falls spring back round atter long model sits runway workbench So youve thinking about takingCIdfllij off weight talk dealer about seeingPRODUCTS light Skylite isP0 Dcx 5166 Baltimore MD 21224 Getting Better Ideas Off Ground rotor-system rotation will surely appreciate new Magic 60 L Robbe/Schluter Heli copter kit will now able enjoy Schluter engineering its fullest machine retains extensively engi neered qualities standard Magic 60 kit mechanics have rede signed accept new spur gear re verses rotor systems rotation 60 60 L Robbe offers attractive Schluter alternative pilots whether used clockwise- counterclockwise-rotation systems Junior 50 II Robbe/Schluters smallest hottest performing 50-size Helicopter now better tedious job building wooden servo trays has become thing past Schluter Helicopters sharing system 88 mechanics Like Scout 60 Magic 60 Junior 50 II now equipped plastic servo structure redesigned canopy canopy has sleeker aerodynamic shape extends yond rear side frames give Junior II whole new look newly de signed canopy matching bulkhead plastic servo structure available ac cessories existing Junior 50 Heli copters Champion fairing Originally designed option Magic 60 side fairings have proven popular effective now available Champion Continued page 108 August 1991 103 THE AIRPLANE FACTORY INC 1880 PINEVIEW MANDEVILLE LA 70448 Combat h Resistant 48 wingspan 4A -5 lbs Aluminum Landing Gear Sport Flying Flys hour / Video $69 post paid $1295 LIST $8995 ViSA 1-800-264-7840 Kombat 4Y member quick building extremely durable Armadillo series Made aluminum polypropelyne no foam can assembied engine mounted radio Installed hour NoThing extra buy provide 4 channei radio / 25-40 engine supply everything else great sports plane fuliy aerobatic bait-on symmetrical wing pre-hinged pre-finished red blue orange yellow compared other almost ready fly designs take 10-12 hours anger complete Kombat 40 true winner RC Helicopters/Jolly Continued page 103 side fairing set dramatically improves Helicopters aerodynamics pro vides visual aid flight orientation side fairings molded two pieces hang-on attachment including mounting hardware instructions Hughes 500 E scale fuselage Magic Junior mechanics McDonnellDouglas Hughes 500 E represents unique designs full-size heli copters today Its functionally radical de sign makes extremely well suited stallation pod-and-boom RC Helicopter mechanics kit includes white gelcoated high-gloss epoxy glass fuselage including vertical horizontal stabiliz ers Also included vacuum-formed cabin windows prefabricated wooden parts landing gear fittings decals detailed plans instructions Scout 60 II new machine will ORDER YOURS TODAVI Trainer Version available $7495 hands dealers read will come increased rotor diameter 5960 longer tail boom will also include plastic servo structure ease construction less building time new-style Magic 60 tail boom sup port standard help support longer tail boom will receive tail rotor pitch-change mechanism Magic 60 plastic bearing blocks have replaced set aluminum ones thing mixing levers have modified improve handling sta bility model lower rotor speeds preferred Junior 50 II ARF Junior 50 II also coming out almost ready fly version its main compo nents preassembled neatly packaged ready assembled flown subassemblies follow main mechan ics plastic servo structure bellcranks swashplates pitch compensator place tail rotor system stabilizers control linkages attached tail boom main rotor head will completely sembled main rotor blades will cov ered landing gear ready-built canopy glued trimmed will reduce building time minimum will tract new pilots Buying today flying tomorrow reality now Its about time quality ARE Helicopter finally became available Magic 60 11 tail rotor gear set pilots demand highest level response out Helicopters gear ratio set designed replace stock gears Magic 60 gear box kit includes two 20-tooth gears pre measured spacer proper gear mesh No gear box changes required complete installation Junior SO plastic servo structure new plastic servo structure now avail able fit existing models Junior 50 assembly made injectionmolded plastic parts can assembled rather quickly provides plenty space radio system components its sturdy construction contributes its durability structure requires use new cabin bulkhead well new canopy Magic 60 ARE As Magic 60 has become popular Robbe/Schluter de cided make easier consumer purchase fly minimum build ing time required its main components preassembled neafly pack aged ready assembled flown comes factory-built subas semblies main mechanics complete fuel tanks bellcranks swashplate col lective pitch compensator tail rotor system tail boom completely assembled control system stabilizers tail strut main rotor head completely assembled main rotor blades covered landing gear assembled canopy glued trimmed ready paint Constant-speed control new microprocessor-controlled speed regulator specifically produced helicopter enthusiast mind CSC 4 provides constant main rotor rotational speed Continued page 110 HAwIK HURRICANE RAP WAS GLAD tO HAVE 15eV SpITFIRE aunt reao 10 HAVE THE HURR Odadbust Adagi sberrrng UssVSe chs nener code / Polyaste Hand Latd F borgiass 1165 Scale FuselageWrrgspan.W Inches / Cortylete Balsa Hardaure Fuse Length. 6333 robes Packages IrdadedWeight.12 Ta iS Lbs / Machire Cut Foam Wing Cures Pusoer.ScyW Ta 1W 4cy 120 / Heesty Duty Styrene Clear Canopy home Legd / Fiberglass Cuwi Fuse Has Molded Stringers / Easy Te 5aild.Eauy Ta Fly Escellent geginrers Warbird aooossobs CoallabI Pops end Fhtna Iro,s TIs end Sobs 555 IlloW 505oesa Lendlca us Lags Otsao 05 605 Poos.0oy55 105 eon 120 Asto Yen seat Saab p. ii Cwe, PHONE ORDERS NIY~3LieLi4OO78O3i9O 108 Model Aviation T-Shirts $1295pp makes overall control Helicopter considerably easier actually maintains correct relationship between collec tive pitch throttle curve due constant rotor speed CSC 4 can switched off means auxili ary channel speed selection infi nitely variable regulating taking effect rather softly Setting up CSC 4 simplified test mode indi cates direction regulation travel throttle servo Robbe torque-tube drive system first product new Robbe Perform ance Accessory line RPA per formance accessories have designed tested produced thought mind quality new drive system features precision ball bearings pressed directly onto tube eliminating need bushing Bearings placed precise locations necessarily evenly spaced ensure smooth vibration-free operation bearing suspended exact alignment tail boom single O-ringed re TRACKERS $995/PAIR INUM SUIT YOIJR FLYINO 1WHEN ORDERING rs ADD 6% SALES TAX Y CA 93463 tamer snaps place over bearing thus preventing chance retainer slipping off also eliminates extra weight clumsiness typical double 0 -ring retainers torque-tube itself eight millime ters diameter made epoxyglass combination allows fibers radially wound both directions thereby preventing tube distorting either direction Typically tail rotors operating capacity measured inchounces Robbe torque-tube load tested able impose five foot-pounds torque before tube started show signs stress Tests performed standard twomillimeter shaft resulted repeated failure two-foot-pound mark Additional features include Quick con nect/disconnect tail boom gear box elimination drive-wire whip maintenance minimal drag resulting less power drive tail rotor highest torsional rigidity available industry f D & J ELECTRONICS 900 Lucy Road Howell Michigan 48843 517-546-2644 Service & Repairs Most Radio Control Systems Utilizing Calibrated Test Equipment & Spectrum Analyzer Endorsed AMA RCMA Sticker Station #105 Futaba Airtronics JR Ace HiTec Tower Cirrus World Engines & WE USE GENUINE FACTORY REPLACEMENT PARTS Complete 1991 Narrow Banding & Upgrades RCD / HITEC R/C DEALER Carry Full Line RCD RXs & Products Upgrading. ASK ABOUT THE NEW HOT FOCUS SERIES RADIO CONTROL SYSTEMS FCC Licensed Speed Control Repairs Quality Service Fast Turn Around Shipping & Insurance Extra UPS ail VISA / MASTERCARD & DISCOVER WELCOMED AMA #256123ARRLWB8YSQ information other fine Robbe Performance Accessories see local dealer first available contact Robbe direct Robbe Model Sport 180 Township Line Rd Belle Mead NJ 08502 Thanks club newsletters Ive receiving contain some great ideas Ill passing along soon have large contest coming up want pass information along need receive information least two months advance order get published time Thanks BCNU RC Giant Scale/de Vries Continued page 33 length time will remember kit definitive Moth can believe John intends improve design/kit Hell replace some aluminum fittings steel well revising fiberglass cowling scale upper wing-mounted fuel tank should humdinger kitperfection top perfection Since retired old friend Bob Holman has increased line leaps bounds does have many spectacular Giant scale plans also produces kits fiberglass components several NW Bob now has drawings 79 span Sopwith 1 Strutter WW H sells 92 span P-51D Doss Steed developed factory micro films Bobs friend Earl Aune now producing some jewel-like main gear retracts Bobs 76 Vought F4U kits well tailwheel retracts/tail hook assemblies weve touted column Bob Holeman Plans good place start thing scratch/kit building big uns Contact him PO Box 741 San Bernardino California 92402 phone 714/885-3959 large SASE would appropriate goofed May 1991 column discussion Giant Scale plans Golden Age racing planes called old friend Bert Thompson Jim Bert wrote chide goof remind several great racer drawings So desire build large-scale racers drop line Bert 219 White City Blvd Springfield Illinois 62703 has drawings Art Chesters Jeep Chesters Goon Roscoe Turners Wedell-Williams Racer Miss Champion Tony LeViers Schoenfeldt Firecracker Benny Howards Ike Howard Hughess H-i Bert gives AMA members 12% discount list prices drawings theyre shipped rolled tube Ill close out months column plug Wendell Hostetler latest design spectacular set plans Diabolo 1204M sleek mid-wing Continued page 113 110 Model Aviation I
Edition: Model Aviation - 1991/08
Page Numbers: 31, 103, 108, 110
IM SORRY missed last month Ive recently started work new major film projectand what can say hours day will try stay current help keep informed whats new world rotarywinged models Toledo has passed now know what can expect find hobby shops 1991 Airtronics will have Infinity 1000 RC system late year saw some proto types recently will fill next month Suffice say Infinity will incredible system Futaba has new mini-electric Helicop ter system complete piece minigyro Altech has pieces make Gold Shuttle superb 30-size allmetal machine wonders cost chopper size really going Miniature Aircraft its new 30-size Hughes 500 E fuselage Triumph still being developed prototypes flying now should available soon Tech Specialtiess Bill Curtis Phoenix display reworked Legend Ive discussed recently ship looked good should available soon Great Planes showing flying Concept 60 new design supersmooth its way will start review stay tuned Robbe Model Sport sent some updates new items just before Toldeo will pass along next suggest contact Robbe its new catalog Robbe/Schluter designs great Helicopters really stand up stay together have promised opportu nity test new Junior 50 II Im look ing forward will pass along further information becomes avail able new Robbe items 1991 Magic-Profi Designed demanding aggressive Pattern pilots Magic-Profi fully upgraded cludes completely ball-raced collective pitch compensator blade holder mixing arms tail rotor lever Standard rotor blades machine trapezoidalshaped epoxy glass main blades epoxy Continued page 103 August 1991 31 Helicopters Larry Jolly 15781 Empire Westminster CA 92683 Marty Kuhns brand-new Concept 60 Great Planes has 05 engine Ky osho muffler super-smooth machine Larry has way will give full report Magic-Profi Robbe/Schiuters top-of-the-line acrobatic machine refined Magic features new collective pitch compensator blade holder mixing arms tail rotor lever Also features new fiberglass main tail rotor blades Robbes redesigned Junior 50 ii features new aerodynamic canopy plastic servo holder Larry will have full report 50-size powerhouse soon available Robbes Champion looks very smart its new side fairings Besides improving aerody namics side panels give better visual orientation machine easier keep track rearward flight character can change groovy twitchy no control allD Toledo 91/Myers Continued page 30 modules expected later year both 72 MHz 75 MHz Futaba will continue sell crystal pairs both 72 75 MHz Hobby Shack showed Excell line new addition its Cirrus line began 1972 described digitized FM/PCM system 512-bit code dual conversion narrow-band receiver accepts either 512 1024-bit code PCM PPM versions available Made Futaba prices range $110 three-servo four-channel FM set $230 four-servo sevenchannel PCM system Cox Hobbies showed prototypes dual conversion narrow-band AM receiver Cobra line now features bean-shaped narrow-band two-and three-channel transmitters $35 upgrade has announced older wideband versions radio system Cox radios usually appear high-production toys like RTF airplanes predict system will find favor among sailplane pilots Users 75 MHz systems have loss sanction 30 channels because 75 MHz AM systems wont modified narrow-band performance IMPRA International Model Power Boat Association held its Directors meeting Toledo during show invited address matter frequencies Afterwards voted sanction use 30 75 MHz channels proviso oddchannel radios must FM think excellent decision because will allow continue wideband radios phase narrow-band equipment becomes available Narrow-band FM transmitters odd channels likely interfere decent wideband receivers channels narrow-band FM receivers odd channels should ignore decent wideband transmitters channels decent wideband system would qualify old RCMA/AMA silver sticker some discussion beginning RCMA/IMPBA sticker system 75 MHz radios nothing settled Now lets look some pictures showD RC Helicopters/Jolly Continued page 31 glass tail rotor blades providing enhanced performance models well-known smooth flying qualities Magic 60 L Helicopter pilots accustomed counterclockwise ThkeA Load Off needs carry around dead weight Sullivan Skylite Its lightest conventional style wheel can buy Engineered unique foam core thin tough rubber skin Skylite cuts weight conventional wheel about half So can take off easier fi ion er maneuver better Whats Skylites rugged build handles repeated take-offs landings bit well its heftiest competitors never falls spring back round atter long model sits runway workbench So youve thinking about takingCIdfllij off weight talk dealer about seeingPRODUCTS light Skylite isP0 Dcx 5166 Baltimore MD 21224 Getting Better Ideas Off Ground rotor-system rotation will surely appreciate new Magic 60 L Robbe/Schluter Heli copter kit will now able enjoy Schluter engineering its fullest machine retains extensively engi neered qualities standard Magic 60 kit mechanics have rede signed accept new spur gear re verses rotor systems rotation 60 60 L Robbe offers attractive Schluter alternative pilots whether used clockwise- counterclockwise-rotation systems Junior 50 II Robbe/Schluters smallest hottest performing 50-size Helicopter now better tedious job building wooden servo trays has become thing past Schluter Helicopters sharing system 88 mechanics Like Scout 60 Magic 60 Junior 50 II now equipped plastic servo structure redesigned canopy canopy has sleeker aerodynamic shape extends yond rear side frames give Junior II whole new look newly de signed canopy matching bulkhead plastic servo structure available ac cessories existing Junior 50 Heli copters Champion fairing Originally designed option Magic 60 side fairings have proven popular effective now available Champion Continued page 108 August 1991 103 THE AIRPLANE FACTORY INC 1880 PINEVIEW MANDEVILLE LA 70448 Combat h Resistant 48 wingspan 4A -5 lbs Aluminum Landing Gear Sport Flying Flys hour / Video $69 post paid $1295 LIST $8995 ViSA 1-800-264-7840 Kombat 4Y member quick building extremely durable Armadillo series Made aluminum polypropelyne no foam can assembied engine mounted radio Installed hour NoThing extra buy provide 4 channei radio / 25-40 engine supply everything else great sports plane fuliy aerobatic bait-on symmetrical wing pre-hinged pre-finished red blue orange yellow compared other almost ready fly designs take 10-12 hours anger complete Kombat 40 true winner RC Helicopters/Jolly Continued page 103 side fairing set dramatically improves Helicopters aerodynamics pro vides visual aid flight orientation side fairings molded two pieces hang-on attachment including mounting hardware instructions Hughes 500 E scale fuselage Magic Junior mechanics McDonnellDouglas Hughes 500 E represents unique designs full-size heli copters today Its functionally radical de sign makes extremely well suited stallation pod-and-boom RC Helicopter mechanics kit includes white gelcoated high-gloss epoxy glass fuselage including vertical horizontal stabiliz ers Also included vacuum-formed cabin windows prefabricated wooden parts landing gear fittings decals detailed plans instructions Scout 60 II new machine will ORDER YOURS TODAVI Trainer Version available $7495 hands dealers read will come increased rotor diameter 5960 longer tail boom will also include plastic servo structure ease construction less building time new-style Magic 60 tail boom sup port standard help support longer tail boom will receive tail rotor pitch-change mechanism Magic 60 plastic bearing blocks have replaced set aluminum ones thing mixing levers have modified improve handling sta bility model lower rotor speeds preferred Junior 50 II ARF Junior 50 II also coming out almost ready fly version its main compo nents preassembled neatly packaged ready assembled flown subassemblies follow main mechan ics plastic servo structure bellcranks swashplates pitch compensator place tail rotor system stabilizers control linkages attached tail boom main rotor head will completely sembled main rotor blades will cov ered landing gear ready-built canopy glued trimmed will reduce building time minimum will tract new pilots Buying today flying tomorrow reality now Its about time quality ARE Helicopter finally became available Magic 60 11 tail rotor gear set pilots demand highest level response out Helicopters gear ratio set designed replace stock gears Magic 60 gear box kit includes two 20-tooth gears pre measured spacer proper gear mesh No gear box changes required complete installation Junior SO plastic servo structure new plastic servo structure now avail able fit existing models Junior 50 assembly made injectionmolded plastic parts can assembled rather quickly provides plenty space radio system components its sturdy construction contributes its durability structure requires use new cabin bulkhead well new canopy Magic 60 ARE As Magic 60 has become popular Robbe/Schluter de cided make easier consumer purchase fly minimum build ing time required its main components preassembled neafly pack aged ready assembled flown comes factory-built subas semblies main mechanics complete fuel tanks bellcranks swashplate col lective pitch compensator tail rotor system tail boom completely assembled control system stabilizers tail strut main rotor head completely assembled main rotor blades covered landing gear assembled canopy glued trimmed ready paint Constant-speed control new microprocessor-controlled speed regulator specifically produced helicopter enthusiast mind CSC 4 provides constant main rotor rotational speed Continued page 110 HAwIK HURRICANE RAP WAS GLAD tO HAVE 15eV SpITFIRE aunt reao 10 HAVE THE HURR Odadbust Adagi sberrrng UssVSe chs nener code / Polyaste Hand Latd F borgiass 1165 Scale FuselageWrrgspan.W Inches / Cortylete Balsa Hardaure Fuse Length. 6333 robes Packages IrdadedWeight.12 Ta iS Lbs / Machire Cut Foam Wing Cures Pusoer.ScyW Ta 1W 4cy 120 / Heesty Duty Styrene Clear Canopy home Legd / Fiberglass Cuwi Fuse Has Molded Stringers / Easy Te 5aild.Eauy Ta Fly Escellent geginrers Warbird aooossobs CoallabI Pops end Fhtna Iro,s TIs end Sobs 555 IlloW 505oesa Lendlca us Lags Otsao 05 605 Poos.0oy55 105 eon 120 Asto Yen seat Saab p. ii Cwe, PHONE ORDERS NIY~3LieLi4OO78O3i9O 108 Model Aviation T-Shirts $1295pp makes overall control Helicopter considerably easier actually maintains correct relationship between collec tive pitch throttle curve due constant rotor speed CSC 4 can switched off means auxili ary channel speed selection infi nitely variable regulating taking effect rather softly Setting up CSC 4 simplified test mode indi cates direction regulation travel throttle servo Robbe torque-tube drive system first product new Robbe Perform ance Accessory line RPA per formance accessories have designed tested produced thought mind quality new drive system features precision ball bearings pressed directly onto tube eliminating need bushing Bearings placed precise locations necessarily evenly spaced ensure smooth vibration-free operation bearing suspended exact alignment tail boom single O-ringed re TRACKERS $995/PAIR INUM SUIT YOIJR FLYINO 1WHEN ORDERING rs ADD 6% SALES TAX Y CA 93463 tamer snaps place over bearing thus preventing chance retainer slipping off also eliminates extra weight clumsiness typical double 0 -ring retainers torque-tube itself eight millime ters diameter made epoxyglass combination allows fibers radially wound both directions thereby preventing tube distorting either direction Typically tail rotors operating capacity measured inchounces Robbe torque-tube load tested able impose five foot-pounds torque before tube started show signs stress Tests performed standard twomillimeter shaft resulted repeated failure two-foot-pound mark Additional features include Quick con nect/disconnect tail boom gear box elimination drive-wire whip maintenance minimal drag resulting less power drive tail rotor highest torsional rigidity available industry f D & J ELECTRONICS 900 Lucy Road Howell Michigan 48843 517-546-2644 Service & Repairs Most Radio Control Systems Utilizing Calibrated Test Equipment & Spectrum Analyzer Endorsed AMA RCMA Sticker Station #105 Futaba Airtronics JR Ace HiTec Tower Cirrus World Engines & WE USE GENUINE FACTORY REPLACEMENT PARTS Complete 1991 Narrow Banding & Upgrades RCD / HITEC R/C DEALER Carry Full Line RCD RXs & Products Upgrading. ASK ABOUT THE NEW HOT FOCUS SERIES RADIO CONTROL SYSTEMS FCC Licensed Speed Control Repairs Quality Service Fast Turn Around Shipping & Insurance Extra UPS ail VISA / MASTERCARD & DISCOVER WELCOMED AMA #256123ARRLWB8YSQ information other fine Robbe Performance Accessories see local dealer first available contact Robbe direct Robbe Model Sport 180 Township Line Rd Belle Mead NJ 08502 Thanks club newsletters Ive receiving contain some great ideas Ill passing along soon have large contest coming up want pass information along need receive information least two months advance order get published time Thanks BCNU RC Giant Scale/de Vries Continued page 33 length time will remember kit definitive Moth can believe John intends improve design/kit Hell replace some aluminum fittings steel well revising fiberglass cowling scale upper wing-mounted fuel tank should humdinger kitperfection top perfection Since retired old friend Bob Holman has increased line leaps bounds does have many spectacular Giant scale plans also produces kits fiberglass components several NW Bob now has drawings 79 span Sopwith 1 Strutter WW H sells 92 span P-51D Doss Steed developed factory micro films Bobs friend Earl Aune now producing some jewel-like main gear retracts Bobs 76 Vought F4U kits well tailwheel retracts/tail hook assemblies weve touted column Bob Holeman Plans good place start thing scratch/kit building big uns Contact him PO Box 741 San Bernardino California 92402 phone 714/885-3959 large SASE would appropriate goofed May 1991 column discussion Giant Scale plans Golden Age racing planes called old friend Bert Thompson Jim Bert wrote chide goof remind several great racer drawings So desire build large-scale racers drop line Bert 219 White City Blvd Springfield Illinois 62703 has drawings Art Chesters Jeep Chesters Goon Roscoe Turners Wedell-Williams Racer Miss Champion Tony LeViers Schoenfeldt Firecracker Benny Howards Ike Howard Hughess H-i Bert gives AMA members 12% discount list prices drawings theyre shipped rolled tube Ill close out months column plug Wendell Hostetler latest design spectacular set plans Diabolo 1204M sleek mid-wing Continued page 113 110 Model Aviation I
Edition: Model Aviation - 1991/08
Page Numbers: 31, 103, 108, 110
IM SORRY missed last month Ive recently started work new major film projectand what can say hours day will try stay current help keep informed whats new world rotarywinged models Toledo has passed now know what can expect find hobby shops 1991 Airtronics will have Infinity 1000 RC system late year saw some proto types recently will fill next month Suffice say Infinity will incredible system Futaba has new mini-electric Helicop ter system complete piece minigyro Altech has pieces make Gold Shuttle superb 30-size allmetal machine wonders cost chopper size really going Miniature Aircraft its new 30-size Hughes 500 E fuselage Triumph still being developed prototypes flying now should available soon Tech Specialtiess Bill Curtis Phoenix display reworked Legend Ive discussed recently ship looked good should available soon Great Planes showing flying Concept 60 new design supersmooth its way will start review stay tuned Robbe Model Sport sent some updates new items just before Toldeo will pass along next suggest contact Robbe its new catalog Robbe/Schluter designs great Helicopters really stand up stay together have promised opportu nity test new Junior 50 II Im look ing forward will pass along further information becomes avail able new Robbe items 1991 Magic-Profi Designed demanding aggressive Pattern pilots Magic-Profi fully upgraded cludes completely ball-raced collective pitch compensator blade holder mixing arms tail rotor lever Standard rotor blades machine trapezoidalshaped epoxy glass main blades epoxy Continued page 103 August 1991 31 Helicopters Larry Jolly 15781 Empire Westminster CA 92683 Marty Kuhns brand-new Concept 60 Great Planes has 05 engine Ky osho muffler super-smooth machine Larry has way will give full report Magic-Profi Robbe/Schiuters top-of-the-line acrobatic machine refined Magic features new collective pitch compensator blade holder mixing arms tail rotor lever Also features new fiberglass main tail rotor blades Robbes redesigned Junior 50 ii features new aerodynamic canopy plastic servo holder Larry will have full report 50-size powerhouse soon available Robbes Champion looks very smart its new side fairings Besides improving aerody namics side panels give better visual orientation machine easier keep track rearward flight character can change groovy twitchy no control allD Toledo 91/Myers Continued page 30 modules expected later year both 72 MHz 75 MHz Futaba will continue sell crystal pairs both 72 75 MHz Hobby Shack showed Excell line new addition its Cirrus line began 1972 described digitized FM/PCM system 512-bit code dual conversion narrow-band receiver accepts either 512 1024-bit code PCM PPM versions available Made Futaba prices range $110 three-servo four-channel FM set $230 four-servo sevenchannel PCM system Cox Hobbies showed prototypes dual conversion narrow-band AM receiver Cobra line now features bean-shaped narrow-band two-and three-channel transmitters $35 upgrade has announced older wideband versions radio system Cox radios usually appear high-production toys like RTF airplanes predict system will find favor among sailplane pilots Users 75 MHz systems have loss sanction 30 channels because 75 MHz AM systems wont modified narrow-band performance IMPRA International Model Power Boat Association held its Directors meeting Toledo during show invited address matter frequencies Afterwards voted sanction use 30 75 MHz channels proviso oddchannel radios must FM think excellent decision because will allow continue wideband radios phase narrow-band equipment becomes available Narrow-band FM transmitters odd channels likely interfere decent wideband receivers channels narrow-band FM receivers odd channels should ignore decent wideband transmitters channels decent wideband system would qualify old RCMA/AMA silver sticker some discussion beginning RCMA/IMPBA sticker system 75 MHz radios nothing settled Now lets look some pictures showD RC Helicopters/Jolly Continued page 31 glass tail rotor blades providing enhanced performance models well-known smooth flying qualities Magic 60 L Helicopter pilots accustomed counterclockwise ThkeA Load Off needs carry around dead weight Sullivan Skylite Its lightest conventional style wheel can buy Engineered unique foam core thin tough rubber skin Skylite cuts weight conventional wheel about half So can take off easier fi ion er maneuver better Whats Skylites rugged build handles repeated take-offs landings bit well its heftiest competitors never falls spring back round atter long model sits runway workbench So youve thinking about takingCIdfllij off weight talk dealer about seeingPRODUCTS light Skylite isP0 Dcx 5166 Baltimore MD 21224 Getting Better Ideas Off Ground rotor-system rotation will surely appreciate new Magic 60 L Robbe/Schluter Heli copter kit will now able enjoy Schluter engineering its fullest machine retains extensively engi neered qualities standard Magic 60 kit mechanics have rede signed accept new spur gear re verses rotor systems rotation 60 60 L Robbe offers attractive Schluter alternative pilots whether used clockwise- counterclockwise-rotation systems Junior 50 II Robbe/Schluters smallest hottest performing 50-size Helicopter now better tedious job building wooden servo trays has become thing past Schluter Helicopters sharing system 88 mechanics Like Scout 60 Magic 60 Junior 50 II now equipped plastic servo structure redesigned canopy canopy has sleeker aerodynamic shape extends yond rear side frames give Junior II whole new look newly de signed canopy matching bulkhead plastic servo structure available ac cessories existing Junior 50 Heli copters Champion fairing Originally designed option Magic 60 side fairings have proven popular effective now available Champion Continued page 108 August 1991 103 THE AIRPLANE FACTORY INC 1880 PINEVIEW MANDEVILLE LA 70448 Combat h Resistant 48 wingspan 4A -5 lbs Aluminum Landing Gear Sport Flying Flys hour / Video $69 post paid $1295 LIST $8995 ViSA 1-800-264-7840 Kombat 4Y member quick building extremely durable Armadillo series Made aluminum polypropelyne no foam can assembied engine mounted radio Installed hour NoThing extra buy provide 4 channei radio / 25-40 engine supply everything else great sports plane fuliy aerobatic bait-on symmetrical wing pre-hinged pre-finished red blue orange yellow compared other almost ready fly designs take 10-12 hours anger complete Kombat 40 true winner RC Helicopters/Jolly Continued page 103 side fairing set dramatically improves Helicopters aerodynamics pro vides visual aid flight orientation side fairings molded two pieces hang-on attachment including mounting hardware instructions Hughes 500 E scale fuselage Magic Junior mechanics McDonnellDouglas Hughes 500 E represents unique designs full-size heli copters today Its functionally radical de sign makes extremely well suited stallation pod-and-boom RC Helicopter mechanics kit includes white gelcoated high-gloss epoxy glass fuselage including vertical horizontal stabiliz ers Also included vacuum-formed cabin windows prefabricated wooden parts landing gear fittings decals detailed plans instructions Scout 60 II new machine will ORDER YOURS TODAVI Trainer Version available $7495 hands dealers read will come increased rotor diameter 5960 longer tail boom will also include plastic servo structure ease construction less building time new-style Magic 60 tail boom sup port standard help support longer tail boom will receive tail rotor pitch-change mechanism Magic 60 plastic bearing blocks have replaced set aluminum ones thing mixing levers have modified improve handling sta bility model lower rotor speeds preferred Junior 50 II ARF Junior 50 II also coming out almost ready fly version its main compo nents preassembled neatly packaged ready assembled flown subassemblies follow main mechan ics plastic servo structure bellcranks swashplates pitch compensator place tail rotor system stabilizers control linkages attached tail boom main rotor head will completely sembled main rotor blades will cov ered landing gear ready-built canopy glued trimmed will reduce building time minimum will tract new pilots Buying today flying tomorrow reality now Its about time quality ARE Helicopter finally became available Magic 60 11 tail rotor gear set pilots demand highest level response out Helicopters gear ratio set designed replace stock gears Magic 60 gear box kit includes two 20-tooth gears pre measured spacer proper gear mesh No gear box changes required complete installation Junior SO plastic servo structure new plastic servo structure now avail able fit existing models Junior 50 assembly made injectionmolded plastic parts can assembled rather quickly provides plenty space radio system components its sturdy construction contributes its durability structure requires use new cabin bulkhead well new canopy Magic 60 ARE As Magic 60 has become popular Robbe/Schluter de cided make easier consumer purchase fly minimum build ing time required its main components preassembled neafly pack aged ready assembled flown comes factory-built subas semblies main mechanics complete fuel tanks bellcranks swashplate col lective pitch compensator tail rotor system tail boom completely assembled control system stabilizers tail strut main rotor head completely assembled main rotor blades covered landing gear assembled canopy glued trimmed ready paint Constant-speed control new microprocessor-controlled speed regulator specifically produced helicopter enthusiast mind CSC 4 provides constant main rotor rotational speed Continued page 110 HAwIK HURRICANE RAP WAS GLAD tO HAVE 15eV SpITFIRE aunt reao 10 HAVE THE HURR Odadbust Adagi sberrrng UssVSe chs nener code / Polyaste Hand Latd F borgiass 1165 Scale FuselageWrrgspan.W Inches / Cortylete Balsa Hardaure Fuse Length. 6333 robes Packages IrdadedWeight.12 Ta iS Lbs / Machire Cut Foam Wing Cures Pusoer.ScyW Ta 1W 4cy 120 / Heesty Duty Styrene Clear Canopy home Legd / Fiberglass Cuwi Fuse Has Molded Stringers / Easy Te 5aild.Eauy Ta Fly Escellent geginrers Warbird aooossobs CoallabI Pops end Fhtna Iro,s TIs end Sobs 555 IlloW 505oesa Lendlca us Lags Otsao 05 605 Poos.0oy55 105 eon 120 Asto Yen seat Saab p. ii Cwe, PHONE ORDERS NIY~3LieLi4OO78O3i9O 108 Model Aviation T-Shirts $1295pp makes overall control Helicopter considerably easier actually maintains correct relationship between collec tive pitch throttle curve due constant rotor speed CSC 4 can switched off means auxili ary channel speed selection infi nitely variable regulating taking effect rather softly Setting up CSC 4 simplified test mode indi cates direction regulation travel throttle servo Robbe torque-tube drive system first product new Robbe Perform ance Accessory line RPA per formance accessories have designed tested produced thought mind quality new drive system features precision ball bearings pressed directly onto tube eliminating need bushing Bearings placed precise locations necessarily evenly spaced ensure smooth vibration-free operation bearing suspended exact alignment tail boom single O-ringed re TRACKERS $995/PAIR INUM SUIT YOIJR FLYINO 1WHEN ORDERING rs ADD 6% SALES TAX Y CA 93463 tamer snaps place over bearing thus preventing chance retainer slipping off also eliminates extra weight clumsiness typical double 0 -ring retainers torque-tube itself eight millime ters diameter made epoxyglass combination allows fibers radially wound both directions thereby preventing tube distorting either direction Typically tail rotors operating capacity measured inchounces Robbe torque-tube load tested able impose five foot-pounds torque before tube started show signs stress Tests performed standard twomillimeter shaft resulted repeated failure two-foot-pound mark Additional features include Quick con nect/disconnect tail boom gear box elimination drive-wire whip maintenance minimal drag resulting less power drive tail rotor highest torsional rigidity available industry f D & J ELECTRONICS 900 Lucy Road Howell Michigan 48843 517-546-2644 Service & Repairs Most Radio Control Systems Utilizing Calibrated Test Equipment & Spectrum Analyzer Endorsed AMA RCMA Sticker Station #105 Futaba Airtronics JR Ace HiTec Tower Cirrus World Engines & WE USE GENUINE FACTORY REPLACEMENT PARTS Complete 1991 Narrow Banding & Upgrades RCD / HITEC R/C DEALER Carry Full Line RCD RXs & Products Upgrading. ASK ABOUT THE NEW HOT FOCUS SERIES RADIO CONTROL SYSTEMS FCC Licensed Speed Control Repairs Quality Service Fast Turn Around Shipping & Insurance Extra UPS ail VISA / MASTERCARD & DISCOVER WELCOMED AMA #256123ARRLWB8YSQ information other fine Robbe Performance Accessories see local dealer first available contact Robbe direct Robbe Model Sport 180 Township Line Rd Belle Mead NJ 08502 Thanks club newsletters Ive receiving contain some great ideas Ill passing along soon have large contest coming up want pass information along need receive information least two months advance order get published time Thanks BCNU RC Giant Scale/de Vries Continued page 33 length time will remember kit definitive Moth can believe John intends improve design/kit Hell replace some aluminum fittings steel well revising fiberglass cowling scale upper wing-mounted fuel tank should humdinger kitperfection top perfection Since retired old friend Bob Holman has increased line leaps bounds does have many spectacular Giant scale plans also produces kits fiberglass components several NW Bob now has drawings 79 span Sopwith 1 Strutter WW H sells 92 span P-51D Doss Steed developed factory micro films Bobs friend Earl Aune now producing some jewel-like main gear retracts Bobs 76 Vought F4U kits well tailwheel retracts/tail hook assemblies weve touted column Bob Holeman Plans good place start thing scratch/kit building big uns Contact him PO Box 741 San Bernardino California 92402 phone 714/885-3959 large SASE would appropriate goofed May 1991 column discussion Giant Scale plans Golden Age racing planes called old friend Bert Thompson Jim Bert wrote chide goof remind several great racer drawings So desire build large-scale racers drop line Bert 219 White City Blvd Springfield Illinois 62703 has drawings Art Chesters Jeep Chesters Goon Roscoe Turners Wedell-Williams Racer Miss Champion Tony LeViers Schoenfeldt Firecracker Benny Howards Ike Howard Hughess H-i Bert gives AMA members 12% discount list prices drawings theyre shipped rolled tube Ill close out months column plug Wendell Hostetler latest design spectacular set plans Diabolo 1204M sleek mid-wing Continued page 113 110 Model Aviation I
Edition: Model Aviation - 1991/08
Page Numbers: 31, 103, 108, 110
IM SORRY missed last month Ive recently started work new major film projectand what can say hours day will try stay current help keep informed whats new world rotarywinged models Toledo has passed now know what can expect find hobby shops 1991 Airtronics will have Infinity 1000 RC system late year saw some proto types recently will fill next month Suffice say Infinity will incredible system Futaba has new mini-electric Helicop ter system complete piece minigyro Altech has pieces make Gold Shuttle superb 30-size allmetal machine wonders cost chopper size really going Miniature Aircraft its new 30-size Hughes 500 E fuselage Triumph still being developed prototypes flying now should available soon Tech Specialtiess Bill Curtis Phoenix display reworked Legend Ive discussed recently ship looked good should available soon Great Planes showing flying Concept 60 new design supersmooth its way will start review stay tuned Robbe Model Sport sent some updates new items just before Toldeo will pass along next suggest contact Robbe its new catalog Robbe/Schluter designs great Helicopters really stand up stay together have promised opportu nity test new Junior 50 II Im look ing forward will pass along further information becomes avail able new Robbe items 1991 Magic-Profi Designed demanding aggressive Pattern pilots Magic-Profi fully upgraded cludes completely ball-raced collective pitch compensator blade holder mixing arms tail rotor lever Standard rotor blades machine trapezoidalshaped epoxy glass main blades epoxy Continued page 103 August 1991 31 Helicopters Larry Jolly 15781 Empire Westminster CA 92683 Marty Kuhns brand-new Concept 60 Great Planes has 05 engine Ky osho muffler super-smooth machine Larry has way will give full report Magic-Profi Robbe/Schiuters top-of-the-line acrobatic machine refined Magic features new collective pitch compensator blade holder mixing arms tail rotor lever Also features new fiberglass main tail rotor blades Robbes redesigned Junior 50 ii features new aerodynamic canopy plastic servo holder Larry will have full report 50-size powerhouse soon available Robbes Champion looks very smart its new side fairings Besides improving aerody namics side panels give better visual orientation machine easier keep track rearward flight character can change groovy twitchy no control allD Toledo 91/Myers Continued page 30 modules expected later year both 72 MHz 75 MHz Futaba will continue sell crystal pairs both 72 75 MHz Hobby Shack showed Excell line new addition its Cirrus line began 1972 described digitized FM/PCM system 512-bit code dual conversion narrow-band receiver accepts either 512 1024-bit code PCM PPM versions available Made Futaba prices range $110 three-servo four-channel FM set $230 four-servo sevenchannel PCM system Cox Hobbies showed prototypes dual conversion narrow-band AM receiver Cobra line now features bean-shaped narrow-band two-and three-channel transmitters $35 upgrade has announced older wideband versions radio system Cox radios usually appear high-production toys like RTF airplanes predict system will find favor among sailplane pilots Users 75 MHz systems have loss sanction 30 channels because 75 MHz AM systems wont modified narrow-band performance IMPRA International Model Power Boat Association held its Directors meeting Toledo during show invited address matter frequencies Afterwards voted sanction use 30 75 MHz channels proviso oddchannel radios must FM think excellent decision because will allow continue wideband radios phase narrow-band equipment becomes available Narrow-band FM transmitters odd channels likely interfere decent wideband receivers channels narrow-band FM receivers odd channels should ignore decent wideband transmitters channels decent wideband system would qualify old RCMA/AMA silver sticker some discussion beginning RCMA/IMPBA sticker system 75 MHz radios nothing settled Now lets look some pictures showD RC Helicopters/Jolly Continued page 31 glass tail rotor blades providing enhanced performance models well-known smooth flying qualities Magic 60 L Helicopter pilots accustomed counterclockwise ThkeA Load Off needs carry around dead weight Sullivan Skylite Its lightest conventional style wheel can buy Engineered unique foam core thin tough rubber skin Skylite cuts weight conventional wheel about half So can take off easier fi ion er maneuver better Whats Skylites rugged build handles repeated take-offs landings bit well its heftiest competitors never falls spring back round atter long model sits runway workbench So youve thinking about takingCIdfllij off weight talk dealer about seeingPRODUCTS light Skylite isP0 Dcx 5166 Baltimore MD 21224 Getting Better Ideas Off Ground rotor-system rotation will surely appreciate new Magic 60 L Robbe/Schluter Heli copter kit will now able enjoy Schluter engineering its fullest machine retains extensively engi neered qualities standard Magic 60 kit mechanics have rede signed accept new spur gear re verses rotor systems rotation 60 60 L Robbe offers attractive Schluter alternative pilots whether used clockwise- counterclockwise-rotation systems Junior 50 II Robbe/Schluters smallest hottest performing 50-size Helicopter now better tedious job building wooden servo trays has become thing past Schluter Helicopters sharing system 88 mechanics Like Scout 60 Magic 60 Junior 50 II now equipped plastic servo structure redesigned canopy canopy has sleeker aerodynamic shape extends yond rear side frames give Junior II whole new look newly de signed canopy matching bulkhead plastic servo structure available ac cessories existing Junior 50 Heli copters Champion fairing Originally designed option Magic 60 side fairings have proven popular effective now available Champion Continued page 108 August 1991 103 THE AIRPLANE FACTORY INC 1880 PINEVIEW MANDEVILLE LA 70448 Combat h Resistant 48 wingspan 4A -5 lbs Aluminum Landing Gear Sport Flying Flys hour / Video $69 post paid $1295 LIST $8995 ViSA 1-800-264-7840 Kombat 4Y member quick building extremely durable Armadillo series Made aluminum polypropelyne no foam can assembied engine mounted radio Installed hour NoThing extra buy provide 4 channei radio / 25-40 engine supply everything else great sports plane fuliy aerobatic bait-on symmetrical wing pre-hinged pre-finished red blue orange yellow compared other almost ready fly designs take 10-12 hours anger complete Kombat 40 true winner RC Helicopters/Jolly Continued page 103 side fairing set dramatically improves Helicopters aerodynamics pro vides visual aid flight orientation side fairings molded two pieces hang-on attachment including mounting hardware instructions Hughes 500 E scale fuselage Magic Junior mechanics McDonnellDouglas Hughes 500 E represents unique designs full-size heli copters today Its functionally radical de sign makes extremely well suited stallation pod-and-boom RC Helicopter mechanics kit includes white gelcoated high-gloss epoxy glass fuselage including vertical horizontal stabiliz ers Also included vacuum-formed cabin windows prefabricated wooden parts landing gear fittings decals detailed plans instructions Scout 60 II new machine will ORDER YOURS TODAVI Trainer Version available $7495 hands dealers read will come increased rotor diameter 5960 longer tail boom will also include plastic servo structure ease construction less building time new-style Magic 60 tail boom sup port standard help support longer tail boom will receive tail rotor pitch-change mechanism Magic 60 plastic bearing blocks have replaced set aluminum ones thing mixing levers have modified improve handling sta bility model lower rotor speeds preferred Junior 50 II ARF Junior 50 II also coming out almost ready fly version its main compo nents preassembled neatly packaged ready assembled flown subassemblies follow main mechan ics plastic servo structure bellcranks swashplates pitch compensator place tail rotor system stabilizers control linkages attached tail boom main rotor head will completely sembled main rotor blades will cov ered landing gear ready-built canopy glued trimmed will reduce building time minimum will tract new pilots Buying today flying tomorrow reality now Its about time quality ARE Helicopter finally became available Magic 60 11 tail rotor gear set pilots demand highest level response out Helicopters gear ratio set designed replace stock gears Magic 60 gear box kit includes two 20-tooth gears pre measured spacer proper gear mesh No gear box changes required complete installation Junior SO plastic servo structure new plastic servo structure now avail able fit existing models Junior 50 assembly made injectionmolded plastic parts can assembled rather quickly provides plenty space radio system components its sturdy construction contributes its durability structure requires use new cabin bulkhead well new canopy Magic 60 ARE As Magic 60 has become popular Robbe/Schluter de cided make easier consumer purchase fly minimum build ing time required its main components preassembled neafly pack aged ready assembled flown comes factory-built subas semblies main mechanics complete fuel tanks bellcranks swashplate col lective pitch compensator tail rotor system tail boom completely assembled control system stabilizers tail strut main rotor head completely assembled main rotor blades covered landing gear assembled canopy glued trimmed ready paint Constant-speed control new microprocessor-controlled speed regulator specifically produced helicopter enthusiast mind CSC 4 provides constant main rotor rotational speed Continued page 110 HAwIK HURRICANE RAP WAS GLAD tO HAVE 15eV SpITFIRE aunt reao 10 HAVE THE HURR Odadbust Adagi sberrrng UssVSe chs nener code / Polyaste Hand Latd F borgiass 1165 Scale FuselageWrrgspan.W Inches / Cortylete Balsa Hardaure Fuse Length. 6333 robes Packages IrdadedWeight.12 Ta iS Lbs / Machire Cut Foam Wing Cures Pusoer.ScyW Ta 1W 4cy 120 / Heesty Duty Styrene Clear Canopy home Legd / Fiberglass Cuwi Fuse Has Molded Stringers / Easy Te 5aild.Eauy Ta Fly Escellent geginrers Warbird aooossobs CoallabI Pops end Fhtna Iro,s TIs end Sobs 555 IlloW 505oesa Lendlca us Lags Otsao 05 605 Poos.0oy55 105 eon 120 Asto Yen seat Saab p. ii Cwe, PHONE ORDERS NIY~3LieLi4OO78O3i9O 108 Model Aviation T-Shirts $1295pp makes overall control Helicopter considerably easier actually maintains correct relationship between collec tive pitch throttle curve due constant rotor speed CSC 4 can switched off means auxili ary channel speed selection infi nitely variable regulating taking effect rather softly Setting up CSC 4 simplified test mode indi cates direction regulation travel throttle servo Robbe torque-tube drive system first product new Robbe Perform ance Accessory line RPA per formance accessories have designed tested produced thought mind quality new drive system features precision ball bearings pressed directly onto tube eliminating need bushing Bearings placed precise locations necessarily evenly spaced ensure smooth vibration-free operation bearing suspended exact alignment tail boom single O-ringed re TRACKERS $995/PAIR INUM SUIT YOIJR FLYINO 1WHEN ORDERING rs ADD 6% SALES TAX Y CA 93463 tamer snaps place over bearing thus preventing chance retainer slipping off also eliminates extra weight clumsiness typical double 0 -ring retainers torque-tube itself eight millime ters diameter made epoxyglass combination allows fibers radially wound both directions thereby preventing tube distorting either direction Typically tail rotors operating capacity measured inchounces Robbe torque-tube load tested able impose five foot-pounds torque before tube started show signs stress Tests performed standard twomillimeter shaft resulted repeated failure two-foot-pound mark Additional features include Quick con nect/disconnect tail boom gear box elimination drive-wire whip maintenance minimal drag resulting less power drive tail rotor highest torsional rigidity available industry f D & J ELECTRONICS 900 Lucy Road Howell Michigan 48843 517-546-2644 Service & Repairs Most Radio Control Systems Utilizing Calibrated Test Equipment & Spectrum Analyzer Endorsed AMA RCMA Sticker Station #105 Futaba Airtronics JR Ace HiTec Tower Cirrus World Engines & WE USE GENUINE FACTORY REPLACEMENT PARTS Complete 1991 Narrow Banding & Upgrades RCD / HITEC R/C DEALER Carry Full Line RCD RXs & Products Upgrading. ASK ABOUT THE NEW HOT FOCUS SERIES RADIO CONTROL SYSTEMS FCC Licensed Speed Control Repairs Quality Service Fast Turn Around Shipping & Insurance Extra UPS ail VISA / MASTERCARD & DISCOVER WELCOMED AMA #256123ARRLWB8YSQ information other fine Robbe Performance Accessories see local dealer first available contact Robbe direct Robbe Model Sport 180 Township Line Rd Belle Mead NJ 08502 Thanks club newsletters Ive receiving contain some great ideas Ill passing along soon have large contest coming up want pass information along need receive information least two months advance order get published time Thanks BCNU RC Giant Scale/de Vries Continued page 33 length time will remember kit definitive Moth can believe John intends improve design/kit Hell replace some aluminum fittings steel well revising fiberglass cowling scale upper wing-mounted fuel tank should humdinger kitperfection top perfection Since retired old friend Bob Holman has increased line leaps bounds does have many spectacular Giant scale plans also produces kits fiberglass components several NW Bob now has drawings 79 span Sopwith 1 Strutter WW H sells 92 span P-51D Doss Steed developed factory micro films Bobs friend Earl Aune now producing some jewel-like main gear retracts Bobs 76 Vought F4U kits well tailwheel retracts/tail hook assemblies weve touted column Bob Holeman Plans good place start thing scratch/kit building big uns Contact him PO Box 741 San Bernardino California 92402 phone 714/885-3959 large SASE would appropriate goofed May 1991 column discussion Giant Scale plans Golden Age racing planes called old friend Bert Thompson Jim Bert wrote chide goof remind several great racer drawings So desire build large-scale racers drop line Bert 219 White City Blvd Springfield Illinois 62703 has drawings Art Chesters Jeep Chesters Goon Roscoe Turners Wedell-Williams Racer Miss Champion Tony LeViers Schoenfeldt Firecracker Benny Howards Ike Howard Hughess H-i Bert gives AMA members 12% discount list prices drawings theyre shipped rolled tube Ill close out months column plug Wendell Hostetler latest design spectacular set plans Diabolo 1204M sleek mid-wing Continued page 113 110 Model Aviation I