Randy Lymans F-15 Eagle twin-engine fan jet begins its takeoff roll Randy St Louis MO planes builder Roy Hartman Ida Grove IA flying site unobstructed probably best set up maintained model airports world THE SUMMER SOLSTICE weekend provided setting largest assem blage ducted-fan-powered model aircraft ever Ninety-nine registered pilots 22 states two Canadian provinces con verged Jet Rally 85 Ida Grove IA represents 80% increase over number pilots participating first Fan Fly held 1984 Interest aspect aeromodeling full afterburner climb pilots ranged novices veteran jet jockeys fan-powered flights logbooks common denominator share experiences witness latest developments ducted fan-powered flight pilots also wit nessed Striking Back greatest air shows modeling Byron International Airport located LaJune Estates may have recorded greatest number ofjet takeoffs landings within Iowa weekend flying site has best country featuring 600-ft concrete runway authentic markings Paved taxiways pro vide access main runway dividing safety net proved its worth restraining several errant models ample pit area manicured grass rope barrier spectators Dining canopies permitted pits spectators view would obscured although large pilots tent Lull LUF uu uuluuTun moouu wuru pruuuni ior jul nummy o upulluluru riuriiuruu uvur II~- cluster Starfire sport ducted-fan models put numerous flights originalwas voteaLhoice 1984 Fan Fly Starfires currently powered several different 61 67-size engines conjunction mu uynamax fan unit October 1985 79 Left A trio fan-jet models Texas L-R An AJ-37 Viggen powered byan 05 46VR-DF RK-4Ofan Gloater Meteorwith two 05 25V-OF engines RK-20 units A-4N Skyhawk powered Rossi 81 Byrojet fan Viggen Meteor belong Mike Kulczk Hugh Jones owns A-4both gents Austin Right Pattern flying may never same after twin ducted-fan version Dirty Birdi Built flown Bill Hempel Tucson AZ uses twin Rossi 81s Dynamax fans Crosswind takeoff got Left Bob Fiorenze Brooklyn NY flew goreous F-4 Phantom jt Model deploys drag chute landing just like full-size real crowd pleaser Right Roy Hartmans F-i 5 Eagle gathering speed fortakeoff Thrust provided two K&B 75 engines mounted Turbax ii fan units very colorful model both ground air entire event seemed optimized forthe spectators Left Lawrence Short Rivers Canada brought fan fleet MiG-iS utilizes variable-area exit nozzle maximum flight per formance Guifstream Peregrine corporate-type jet scratch-bulit Styrofoam construction Both models powered Rossi 81 engines Byrojet fan units Right Gary Cooper Fremont NE poses A-4 Skyhawk ii painted factory demonstrator scheme Gary chose K&B/Lee 75 engine drive Turbax ii fan good combination modei good solid performer available relief elements Power outlets overnight charging well-run transmitter impound also located pilots tent entire airport site located hilltop well clear flight obstructions such trees power lines building structures two model hangars Byrons One-Fifth-Scale Air Force instrumented control tower direct flight operations entire site layout oper ation has finest both pilots spectators terms visibility facilities safety Over 7000 spectators came di rections including Canada Mexico Venezuela make Jet Rally 85 firstclass international affair event officially commenced early Saturday morning pilot registration Byron factory located within Ida Grove about 1 miles flying site Since pilot entry conducted pre-regis tration basis on-site paperwork con sisted satisfying AMA safety dec laration requirements pilots meeting held shortly after pilots tent flying site Dean Copeland presided clearly 80 Model Aviation Left Lynn Elaton Illinois brought Mirage 2000 rally powered 05 B5VR-DF engine Turbax iii fan Right Firebirds act Cloud Dancers RC Parachute Team came Florida demonstrate jet aerobatics formation flying L-R Don Muddiman Tom Veloskey Jr John Davis three aircraft Identical Kfirs powered OS 65VR-DF engines Turbax lii fans Left Gene Marshall Mission KS flew scratch-built 510-Fly ducted-fan model features leading edge slats Hoernertips slow stable flight Power isa K&B 35 engine RK-20 fan unit Right Ivan Munlnghoff son Colorado Springs CO broughttheir F-i 6XL fan jet rally model famous F-i 6 Falcon uses cranked-arrow delta wing pianform Ivans model started life Byron F-i 6 powered Rossi 81 Byrojet fan unit Netting between runway pits helped improve safety margin explained procedures Flight safety emphasized respects strict airworthiness inspection con ducted model slated flight Structural mechanical integrity Left Jim Vestal Kansas City KS brought simple colorful fan trainer Jeteter powered K&B 35 RK-20 fan unit Above Navy F-4 Phantom built Don Welch Indianapolis IN powered two 0S 65 VR-DF engines Turbax ill fans major points concern pattern adopted due prevailing Byron Safety Officials wind direction overflying pit area flying pilot also required crowds would result immediate have assistant caller spot traffic grounding model Low-time pilots act copilot necessary left-hand Continued page 160 October 1985 81 marking have found quite satisfac tory strips /4-inch drywall material drywall plasterboard called area usually sandwiched between two pieces paper Y-inch plasterboard makes excellent tool marking circle pavement usually cut off about five-foot section six inches wide use mark off circle using like piece chalk go back put additional lines markings quite durable during day first rain following con test will remove majority asphalt concrete area important school shopping center parking lots utilized contest sites As always comments welcomed John C Ballard 10102 Kimblewick Dr Louisville KY 40223 CL Speed/Hempel Continued page 71 should wish change perhaps suggestion would welcome As myself would suggest change think elimination pipe monoline would direc tion making attractive old-timers still around may still have interest rekindled came out thought Proto Speed much commend about Proto Speed class Dbut difference addition wing area rule cross section rule generous size perhaps add 3A 6-in landing gear decent-size wheels save ex pensive propellers make easier oldsters actually fly models imagine reflexes re quired 200 mph model make essen tially young mans game other words attract ing young perhaps might worth try attract some old stersjust get people out try out neednt have go whole hog create new class rather perhaps sponsor could found donate some suitable prizes given next Nationals fastest plane conformed informal rules other words prize itself would provide rules planes could timed just other class D model Na tionals Well enough thoughts certainly enjoy col umn Model Aviation Maybe Ill have happier outloook after 85 Nats over Well see Look next Speed column sometime after annual Nats issue MA Gene Hempel 301 N Yale Dr Garland TX 75042 given special assistance prevent unscheduled maneuvers Several mem bers Byron staff continually available coordinate safe flight condi tions overall theme event have fun share exhibition ducted-fan flight Engine run-ups preflight procedures began immediately after pilots meeting 900 am could sense eagerness pilots came afar fly fan-jet models Steve Ort East Peoria IL first become airborne Byron F- 16 model powered Rossi 81 Byrojet fan unit good flight marred minor landing gear problems Steve soon joined others sky full fan-jets unique whining sound pace continued throughout day wide variety ducted-fan models taking skies public address system provided valuable information mod els aloft served hold spectator terest As added incentive reg istered pilot completed first flight received award Byrojet fan unit Saturdays weather fair windy some strong gusts up 25 mph wind direction posed problem since directly perpendicular fixed UPERSALE ngspan 60I72 Flight Weight 5-6 lbs * Removable tail section WEEDHOPPER 60 reg price 114 40 reg price 89 SALE 59 * Easy build * Easy fly * Strong yet light * Stable yet agile * Real aircraft hardware end fabric * Fabric pre-aewn fuel proof * Hardwood pre-drilled y assembly * 3 channels 4 optlonall * Super complete kit lies engine radio tanki right down wheel collars UNSURPASSED DURABILITY R & D ENGINEERING 1245 N Evereff Ridgecrest CA 93555 377-4782 160 Model Aviation Jet Rally/Arro Continued page 81 Blue Orange ow e Camouflage Free shipping US COD add $200 CA residents add 6% runway heading produced some tricky crosswind takeoffs landings several models succumbed wind air temperature density both pleasant providing ideal conditions ducted-fan efficiency Sunday winds abated light variable gen erally sunny skies prevailed However weather before after Jet Rally 85 dominated severe storms Wind advisories tornado warnings sued thunderstorms occurred both Friday Sunday evenings Driving con ditions hazardous some full-scale flights delayed canceled due weather low-key fan-fly events last year gave way open flying timed speed runs radar speed measurement system replaced manual timing elec tronic processing ground speed large digital scoreboard displayed speed run real time pilots spectators passe clocked 130-140 mph range Bob Fiorenzes A-4 Skyhawk topped field 152 mph Several Byron fan jets Tom Cooks Starfire design clocked excess 140mph proving realistic jet performance now available com parison purposes highest speed run recorded 1984 Fan Fly 124 mph Great fan-jet agility roll rate outside loops knife-edge flight demon strated Tom Velosky Jr Cloud Dancers Firebird Team Floridabased model air show team performs three identical Kfir models powered OS 65VR-DF engine Tur bax III fan unit formation-flight routine something behold especially single flight ducted-fan-pow ered model rare event few years ago Fan technology has truly come age commercially-available equip ment requiring normal piloting skills enjoy realistic jet-powered flight Several new fan-jets exhibited both flight ground Byron Originals unveiled new F-iS Eagle twin jet F-20 Tigershark Both models flown during weekend met performance expectations Hopefully will scheduled release Byron near future SR-7 1 Blackbird design also flown Sunday after noon ships previous slow-speed sta bility problems have resolved simple CG shift Evidently blended wing-fuselage confignration Black bird required recalculation proper balance point Considerable wind tunnel flight testing required fullscale counterpart also SR-7 1 majestic shapes air either full-scale model form rare treat see fly Kenny Sterner Sterner Engineering Bath PA made about dozen demonstra tion flights T-33 version new F-80 Shooting Star design fan-jet drew great deal attention designed larger-displacement engines Byrojet fan unit T-33 flew very well really needs wing-tip tanks make appearance just right mind Conspicuous absence Bob Violett Everyone anxious see F-86 Sabre Sport Shark jet perform long-awaited Viojett fan system Family commitments precluded Bobs tendance Jet Rally 85 has sched uled equipment debut Greater Southwest Fan Rally later year flight demonstrations provided good comparison various jet de signs engines fan units available todays marketplace equipment suppliers hand give further information products event overtones air expo bazaar regards various equipment display demonstrations fan enthusiasts culmination flying day marked performance Striking Back panoramic spectacle model action Mere words cannot describe show must experienced person full effect year Byron unveiled Giant Scale C-47 Dakota Gooney Bird equip ped onboard engine starters full squad paratroopers engine starting sequence realistic ever witnessed author truly mag nificent model joined couple October 1985 161 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX K AMA Membership143 Ace Radio Control49 Airtronics82-83 Astro Flight1 28 B. Line22 B&B Custom Built Models158 Balsa USA13 Beercan Bombers128 Bergeron Enterprises146 Byron Originals47 CaRa Products152 Carolina-Taffinder156 Johnnie Casburn Mfg138 Chicago Model & Hobby Show145 Cleveland Model & Supply Co151 Eric Clutton163 Condor Trading Co120 Consumers Guide125 Coverite157 Cox Hobbies142 D&D Engineering159 DGA Designs154 Jim Denaro Model Products51 Dougs Hobby Shop148-149 Larry Dodge Aero Inc135 Du-Bro Products Inc11 FAI Model Supply129 FHS Supply Inc4 Fiberglass Master139 Flyline Models157 Fourmost Products146 Fox Mfg53 Futaba Corp America2 Gas Model Products162 Gator RC Products138 Carl Goldberg Models7 Golden Gate Hobbiess3 Gorham Model Products9 Great Planes Model Mfg Co1 1/5-scale B-25 Mitchell bombers squad ron A6M5 Zero fighters P-47 Thunder bolts P-si Mustangs F4U Corsair Stir together add couple manned 1/25-scale M-4 Sherman tanks sea son indescribable pyrotechnics yield extravaganza called Striking Back Jet Rally 85 unqualified success terms exhibiting ducted-fan airplanes modelers public alike equip ment evolving third generation fan units realistic jet performance Historic Aviation21 Hobby Barn122-123 Hobby Capitol Distributors156 Hobby Horn49 Hobby Lobby International150 Hobby World Imports152 Hobbypoxy160 Holleys Silent Flight155 Ikon Northwest Co146 Indy RC Sales Inc130-132 Jeffla Corp147 Jomar125 163 K&BMfg156 K&S Engineering121 Kin Craft159 Knights Air120163 Kraft Systems Inc23 Kustom Kraftsmanship133 L&L Model Products128 Lindsey Micro Products1 Se Lone Star Models43 MACS Products152 Mammoth Scale Plans129 Master Kit144 McDaniel RC Service20 Jim Messers Quality Model Prod142 Micro Mark141 Micro Model Engineering146 Model Magic Products154 Model Rectifier CorpCovers 2 3 Morley USA158 Mutchlers Hobbies126-127 National Soaring Society158 Nor-Ray Products Inc20 North Products149 Nowlen Aero140 Off Ground Models155 PK Products144 Pacer Technology161 levels now achievable Current devel opments directed improving opera bility simplifring usage average RC modeler Ducted-fan technology has matured evidence wide variety models seen future bright can look forward continued events type promote new dimension RC powered flight sincere thanks extended Byron Godbersen able staff worked long hard provide setting hospitality memorable Hal Payne Enterprises152 Peck-Polymers138 Penn Valley Hobby Center158 Pica Products12 Polks Model Craft Hobby24-25 RC Buyers Guide147 RC Novelties22 RC Video Magazine144 R&D Engineering160 RJL Industries142 Radio South135 Repla-Tech International135 RoushMfg134162 SR Batteries139 SachsbyTG140 Sailplanes World124 Satellite City77 Scale Model Research135 Schlueter Free Flight Models162 Shamrock Competition Imports129 Sheldons Hobby Shop8136-137 Sig Mfg Co14-15 159 Simcoe RC Aircraft Co74 Specialty Hardware Co140 St Croix Models20 Standale Aircraft1 34 T&D Fiberglass Specialties124 John Tatone Model Eng Access22 Tatone Products Co121 Texxon Precision Products45 Top Flite Models Inc124 Tower Hobbies153 WE Technical Services6 Williams Bros139 Wilshire Model Center149 Windsor Propeller Co51 Workshop Concepts119 World Hobbies157 World EnginesCover 4 Zenith Aviation PublicationsS events modeling history missed interested please note Jet Rally 86 has already scheduled June 21-22 1986 Ida Grove IA Plan now attend look forward seeing MB-7/Noonan Continued page 88 wing tips made laminating three pieces 1/32 x wood around cardboard form Join part Super sport flier turnaround pattern Balsa & ply construction 70 span 927 sq area 7A -BS lbs$1 j 7612 cu Dealer Inquiry Invited 1728 Sywood SE Canton OH 44707 Send $1 far Catalog 216 484681O RoUSH MFG 162 Model Aviation r Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 02 $995 Giant Kwik Set 6 Minute16 oz$1395 Half FastlOMinutelOoz$895 GMP AIRCRAFT INSTRUMENTS 80in31161143/81/2$ 149 40 3/4 inch $ 149 EASY OFF PULLER proper tool removing drive washersand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OM 45239 513 385-7398 oat dealer ord drect Pout dd $150 [I Schlueter Free Flight Models 3508 Poinsettia Ave Manhattan Beach Co 90266 Dealer Inquiries Invited S PACIFIC ACE BLACK BULLET PARTIAL KITS pIans&printedvod PACIF ACE o SLACIS BULLET 2OS32S30 70 40t665 ADD 5200 SHLPP5G FOR EACH KIT ORDERCA RES ADO 6/ TAX
Edition: Model Aviation - 1985/10
Page Numbers: 79, 80, 81, 160, 161, 162
Randy Lymans F-15 Eagle twin-engine fan jet begins its takeoff roll Randy St Louis MO planes builder Roy Hartman Ida Grove IA flying site unobstructed probably best set up maintained model airports world THE SUMMER SOLSTICE weekend provided setting largest assem blage ducted-fan-powered model aircraft ever Ninety-nine registered pilots 22 states two Canadian provinces con verged Jet Rally 85 Ida Grove IA represents 80% increase over number pilots participating first Fan Fly held 1984 Interest aspect aeromodeling full afterburner climb pilots ranged novices veteran jet jockeys fan-powered flights logbooks common denominator share experiences witness latest developments ducted fan-powered flight pilots also wit nessed Striking Back greatest air shows modeling Byron International Airport located LaJune Estates may have recorded greatest number ofjet takeoffs landings within Iowa weekend flying site has best country featuring 600-ft concrete runway authentic markings Paved taxiways pro vide access main runway dividing safety net proved its worth restraining several errant models ample pit area manicured grass rope barrier spectators Dining canopies permitted pits spectators view would obscured although large pilots tent Lull LUF uu uuluuTun moouu wuru pruuuni ior jul nummy o upulluluru riuriiuruu uvur II~- cluster Starfire sport ducted-fan models put numerous flights originalwas voteaLhoice 1984 Fan Fly Starfires currently powered several different 61 67-size engines conjunction mu uynamax fan unit October 1985 79 Left A trio fan-jet models Texas L-R An AJ-37 Viggen powered byan 05 46VR-DF RK-4Ofan Gloater Meteorwith two 05 25V-OF engines RK-20 units A-4N Skyhawk powered Rossi 81 Byrojet fan Viggen Meteor belong Mike Kulczk Hugh Jones owns A-4both gents Austin Right Pattern flying may never same after twin ducted-fan version Dirty Birdi Built flown Bill Hempel Tucson AZ uses twin Rossi 81s Dynamax fans Crosswind takeoff got Left Bob Fiorenze Brooklyn NY flew goreous F-4 Phantom jt Model deploys drag chute landing just like full-size real crowd pleaser Right Roy Hartmans F-i 5 Eagle gathering speed fortakeoff Thrust provided two K&B 75 engines mounted Turbax ii fan units very colorful model both ground air entire event seemed optimized forthe spectators Left Lawrence Short Rivers Canada brought fan fleet MiG-iS utilizes variable-area exit nozzle maximum flight per formance Guifstream Peregrine corporate-type jet scratch-bulit Styrofoam construction Both models powered Rossi 81 engines Byrojet fan units Right Gary Cooper Fremont NE poses A-4 Skyhawk ii painted factory demonstrator scheme Gary chose K&B/Lee 75 engine drive Turbax ii fan good combination modei good solid performer available relief elements Power outlets overnight charging well-run transmitter impound also located pilots tent entire airport site located hilltop well clear flight obstructions such trees power lines building structures two model hangars Byrons One-Fifth-Scale Air Force instrumented control tower direct flight operations entire site layout oper ation has finest both pilots spectators terms visibility facilities safety Over 7000 spectators came di rections including Canada Mexico Venezuela make Jet Rally 85 firstclass international affair event officially commenced early Saturday morning pilot registration Byron factory located within Ida Grove about 1 miles flying site Since pilot entry conducted pre-regis tration basis on-site paperwork con sisted satisfying AMA safety dec laration requirements pilots meeting held shortly after pilots tent flying site Dean Copeland presided clearly 80 Model Aviation Left Lynn Elaton Illinois brought Mirage 2000 rally powered 05 B5VR-DF engine Turbax iii fan Right Firebirds act Cloud Dancers RC Parachute Team came Florida demonstrate jet aerobatics formation flying L-R Don Muddiman Tom Veloskey Jr John Davis three aircraft Identical Kfirs powered OS 65VR-DF engines Turbax lii fans Left Gene Marshall Mission KS flew scratch-built 510-Fly ducted-fan model features leading edge slats Hoernertips slow stable flight Power isa K&B 35 engine RK-20 fan unit Right Ivan Munlnghoff son Colorado Springs CO broughttheir F-i 6XL fan jet rally model famous F-i 6 Falcon uses cranked-arrow delta wing pianform Ivans model started life Byron F-i 6 powered Rossi 81 Byrojet fan unit Netting between runway pits helped improve safety margin explained procedures Flight safety emphasized respects strict airworthiness inspection con ducted model slated flight Structural mechanical integrity Left Jim Vestal Kansas City KS brought simple colorful fan trainer Jeteter powered K&B 35 RK-20 fan unit Above Navy F-4 Phantom built Don Welch Indianapolis IN powered two 0S 65 VR-DF engines Turbax ill fans major points concern pattern adopted due prevailing Byron Safety Officials wind direction overflying pit area flying pilot also required crowds would result immediate have assistant caller spot traffic grounding model Low-time pilots act copilot necessary left-hand Continued page 160 October 1985 81 marking have found quite satisfac tory strips /4-inch drywall material drywall plasterboard called area usually sandwiched between two pieces paper Y-inch plasterboard makes excellent tool marking circle pavement usually cut off about five-foot section six inches wide use mark off circle using like piece chalk go back put additional lines markings quite durable during day first rain following con test will remove majority asphalt concrete area important school shopping center parking lots utilized contest sites As always comments welcomed John C Ballard 10102 Kimblewick Dr Louisville KY 40223 CL Speed/Hempel Continued page 71 should wish change perhaps suggestion would welcome As myself would suggest change think elimination pipe monoline would direc tion making attractive old-timers still around may still have interest rekindled came out thought Proto Speed much commend about Proto Speed class Dbut difference addition wing area rule cross section rule generous size perhaps add 3A 6-in landing gear decent-size wheels save ex pensive propellers make easier oldsters actually fly models imagine reflexes re quired 200 mph model make essen tially young mans game other words attract ing young perhaps might worth try attract some old stersjust get people out try out neednt have go whole hog create new class rather perhaps sponsor could found donate some suitable prizes given next Nationals fastest plane conformed informal rules other words prize itself would provide rules planes could timed just other class D model Na tionals Well enough thoughts certainly enjoy col umn Model Aviation Maybe Ill have happier outloook after 85 Nats over Well see Look next Speed column sometime after annual Nats issue MA Gene Hempel 301 N Yale Dr Garland TX 75042 given special assistance prevent unscheduled maneuvers Several mem bers Byron staff continually available coordinate safe flight condi tions overall theme event have fun share exhibition ducted-fan flight Engine run-ups preflight procedures began immediately after pilots meeting 900 am could sense eagerness pilots came afar fly fan-jet models Steve Ort East Peoria IL first become airborne Byron F- 16 model powered Rossi 81 Byrojet fan unit good flight marred minor landing gear problems Steve soon joined others sky full fan-jets unique whining sound pace continued throughout day wide variety ducted-fan models taking skies public address system provided valuable information mod els aloft served hold spectator terest As added incentive reg istered pilot completed first flight received award Byrojet fan unit Saturdays weather fair windy some strong gusts up 25 mph wind direction posed problem since directly perpendicular fixed UPERSALE ngspan 60I72 Flight Weight 5-6 lbs * Removable tail section WEEDHOPPER 60 reg price 114 40 reg price 89 SALE 59 * Easy build * Easy fly * Strong yet light * Stable yet agile * Real aircraft hardware end fabric * Fabric pre-aewn fuel proof * Hardwood pre-drilled y assembly * 3 channels 4 optlonall * Super complete kit lies engine radio tanki right down wheel collars UNSURPASSED DURABILITY R & D ENGINEERING 1245 N Evereff Ridgecrest CA 93555 377-4782 160 Model Aviation Jet Rally/Arro Continued page 81 Blue Orange ow e Camouflage Free shipping US COD add $200 CA residents add 6% runway heading produced some tricky crosswind takeoffs landings several models succumbed wind air temperature density both pleasant providing ideal conditions ducted-fan efficiency Sunday winds abated light variable gen erally sunny skies prevailed However weather before after Jet Rally 85 dominated severe storms Wind advisories tornado warnings sued thunderstorms occurred both Friday Sunday evenings Driving con ditions hazardous some full-scale flights delayed canceled due weather low-key fan-fly events last year gave way open flying timed speed runs radar speed measurement system replaced manual timing elec tronic processing ground speed large digital scoreboard displayed speed run real time pilots spectators passe clocked 130-140 mph range Bob Fiorenzes A-4 Skyhawk topped field 152 mph Several Byron fan jets Tom Cooks Starfire design clocked excess 140mph proving realistic jet performance now available com parison purposes highest speed run recorded 1984 Fan Fly 124 mph Great fan-jet agility roll rate outside loops knife-edge flight demon strated Tom Velosky Jr Cloud Dancers Firebird Team Floridabased model air show team performs three identical Kfir models powered OS 65VR-DF engine Tur bax III fan unit formation-flight routine something behold especially single flight ducted-fan-pow ered model rare event few years ago Fan technology has truly come age commercially-available equip ment requiring normal piloting skills enjoy realistic jet-powered flight Several new fan-jets exhibited both flight ground Byron Originals unveiled new F-iS Eagle twin jet F-20 Tigershark Both models flown during weekend met performance expectations Hopefully will scheduled release Byron near future SR-7 1 Blackbird design also flown Sunday after noon ships previous slow-speed sta bility problems have resolved simple CG shift Evidently blended wing-fuselage confignration Black bird required recalculation proper balance point Considerable wind tunnel flight testing required fullscale counterpart also SR-7 1 majestic shapes air either full-scale model form rare treat see fly Kenny Sterner Sterner Engineering Bath PA made about dozen demonstra tion flights T-33 version new F-80 Shooting Star design fan-jet drew great deal attention designed larger-displacement engines Byrojet fan unit T-33 flew very well really needs wing-tip tanks make appearance just right mind Conspicuous absence Bob Violett Everyone anxious see F-86 Sabre Sport Shark jet perform long-awaited Viojett fan system Family commitments precluded Bobs tendance Jet Rally 85 has sched uled equipment debut Greater Southwest Fan Rally later year flight demonstrations provided good comparison various jet de signs engines fan units available todays marketplace equipment suppliers hand give further information products event overtones air expo bazaar regards various equipment display demonstrations fan enthusiasts culmination flying day marked performance Striking Back panoramic spectacle model action Mere words cannot describe show must experienced person full effect year Byron unveiled Giant Scale C-47 Dakota Gooney Bird equip ped onboard engine starters full squad paratroopers engine starting sequence realistic ever witnessed author truly mag nificent model joined couple October 1985 161 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX K AMA Membership143 Ace Radio Control49 Airtronics82-83 Astro Flight1 28 B. Line22 B&B Custom Built Models158 Balsa USA13 Beercan Bombers128 Bergeron Enterprises146 Byron Originals47 CaRa Products152 Carolina-Taffinder156 Johnnie Casburn Mfg138 Chicago Model & Hobby Show145 Cleveland Model & Supply Co151 Eric Clutton163 Condor Trading Co120 Consumers Guide125 Coverite157 Cox Hobbies142 D&D Engineering159 DGA Designs154 Jim Denaro Model Products51 Dougs Hobby Shop148-149 Larry Dodge Aero Inc135 Du-Bro Products Inc11 FAI Model Supply129 FHS Supply Inc4 Fiberglass Master139 Flyline Models157 Fourmost Products146 Fox Mfg53 Futaba Corp America2 Gas Model Products162 Gator RC Products138 Carl Goldberg Models7 Golden Gate Hobbiess3 Gorham Model Products9 Great Planes Model Mfg Co1 1/5-scale B-25 Mitchell bombers squad ron A6M5 Zero fighters P-47 Thunder bolts P-si Mustangs F4U Corsair Stir together add couple manned 1/25-scale M-4 Sherman tanks sea son indescribable pyrotechnics yield extravaganza called Striking Back Jet Rally 85 unqualified success terms exhibiting ducted-fan airplanes modelers public alike equip ment evolving third generation fan units realistic jet performance Historic Aviation21 Hobby Barn122-123 Hobby Capitol Distributors156 Hobby Horn49 Hobby Lobby International150 Hobby World Imports152 Hobbypoxy160 Holleys Silent Flight155 Ikon Northwest Co146 Indy RC Sales Inc130-132 Jeffla Corp147 Jomar125 163 K&BMfg156 K&S Engineering121 Kin Craft159 Knights Air120163 Kraft Systems Inc23 Kustom Kraftsmanship133 L&L Model Products128 Lindsey Micro Products1 Se Lone Star Models43 MACS Products152 Mammoth Scale Plans129 Master Kit144 McDaniel RC Service20 Jim Messers Quality Model Prod142 Micro Mark141 Micro Model Engineering146 Model Magic Products154 Model Rectifier CorpCovers 2 3 Morley USA158 Mutchlers Hobbies126-127 National Soaring Society158 Nor-Ray Products Inc20 North Products149 Nowlen Aero140 Off Ground Models155 PK Products144 Pacer Technology161 levels now achievable Current devel opments directed improving opera bility simplifring usage average RC modeler Ducted-fan technology has matured evidence wide variety models seen future bright can look forward continued events type promote new dimension RC powered flight sincere thanks extended Byron Godbersen able staff worked long hard provide setting hospitality memorable Hal Payne Enterprises152 Peck-Polymers138 Penn Valley Hobby Center158 Pica Products12 Polks Model Craft Hobby24-25 RC Buyers Guide147 RC Novelties22 RC Video Magazine144 R&D Engineering160 RJL Industries142 Radio South135 Repla-Tech International135 RoushMfg134162 SR Batteries139 SachsbyTG140 Sailplanes World124 Satellite City77 Scale Model Research135 Schlueter Free Flight Models162 Shamrock Competition Imports129 Sheldons Hobby Shop8136-137 Sig Mfg Co14-15 159 Simcoe RC Aircraft Co74 Specialty Hardware Co140 St Croix Models20 Standale Aircraft1 34 T&D Fiberglass Specialties124 John Tatone Model Eng Access22 Tatone Products Co121 Texxon Precision Products45 Top Flite Models Inc124 Tower Hobbies153 WE Technical Services6 Williams Bros139 Wilshire Model Center149 Windsor Propeller Co51 Workshop Concepts119 World Hobbies157 World EnginesCover 4 Zenith Aviation PublicationsS events modeling history missed interested please note Jet Rally 86 has already scheduled June 21-22 1986 Ida Grove IA Plan now attend look forward seeing MB-7/Noonan Continued page 88 wing tips made laminating three pieces 1/32 x wood around cardboard form Join part Super sport flier turnaround pattern Balsa & ply construction 70 span 927 sq area 7A -BS lbs$1 j 7612 cu Dealer Inquiry Invited 1728 Sywood SE Canton OH 44707 Send $1 far Catalog 216 484681O RoUSH MFG 162 Model Aviation r Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 02 $995 Giant Kwik Set 6 Minute16 oz$1395 Half FastlOMinutelOoz$895 GMP AIRCRAFT INSTRUMENTS 80in31161143/81/2$ 149 40 3/4 inch $ 149 EASY OFF PULLER proper tool removing drive washersand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OM 45239 513 385-7398 oat dealer ord drect Pout dd $150 [I Schlueter Free Flight Models 3508 Poinsettia Ave Manhattan Beach Co 90266 Dealer Inquiries Invited S PACIFIC ACE BLACK BULLET PARTIAL KITS pIans&printedvod PACIF ACE o SLACIS BULLET 2OS32S30 70 40t665 ADD 5200 SHLPP5G FOR EACH KIT ORDERCA RES ADO 6/ TAX
Edition: Model Aviation - 1985/10
Page Numbers: 79, 80, 81, 160, 161, 162
Randy Lymans F-15 Eagle twin-engine fan jet begins its takeoff roll Randy St Louis MO planes builder Roy Hartman Ida Grove IA flying site unobstructed probably best set up maintained model airports world THE SUMMER SOLSTICE weekend provided setting largest assem blage ducted-fan-powered model aircraft ever Ninety-nine registered pilots 22 states two Canadian provinces con verged Jet Rally 85 Ida Grove IA represents 80% increase over number pilots participating first Fan Fly held 1984 Interest aspect aeromodeling full afterburner climb pilots ranged novices veteran jet jockeys fan-powered flights logbooks common denominator share experiences witness latest developments ducted fan-powered flight pilots also wit nessed Striking Back greatest air shows modeling Byron International Airport located LaJune Estates may have recorded greatest number ofjet takeoffs landings within Iowa weekend flying site has best country featuring 600-ft concrete runway authentic markings Paved taxiways pro vide access main runway dividing safety net proved its worth restraining several errant models ample pit area manicured grass rope barrier spectators Dining canopies permitted pits spectators view would obscured although large pilots tent Lull LUF uu uuluuTun moouu wuru pruuuni ior jul nummy o upulluluru riuriiuruu uvur II~- cluster Starfire sport ducted-fan models put numerous flights originalwas voteaLhoice 1984 Fan Fly Starfires currently powered several different 61 67-size engines conjunction mu uynamax fan unit October 1985 79 Left A trio fan-jet models Texas L-R An AJ-37 Viggen powered byan 05 46VR-DF RK-4Ofan Gloater Meteorwith two 05 25V-OF engines RK-20 units A-4N Skyhawk powered Rossi 81 Byrojet fan Viggen Meteor belong Mike Kulczk Hugh Jones owns A-4both gents Austin Right Pattern flying may never same after twin ducted-fan version Dirty Birdi Built flown Bill Hempel Tucson AZ uses twin Rossi 81s Dynamax fans Crosswind takeoff got Left Bob Fiorenze Brooklyn NY flew goreous F-4 Phantom jt Model deploys drag chute landing just like full-size real crowd pleaser Right Roy Hartmans F-i 5 Eagle gathering speed fortakeoff Thrust provided two K&B 75 engines mounted Turbax ii fan units very colorful model both ground air entire event seemed optimized forthe spectators Left Lawrence Short Rivers Canada brought fan fleet MiG-iS utilizes variable-area exit nozzle maximum flight per formance Guifstream Peregrine corporate-type jet scratch-bulit Styrofoam construction Both models powered Rossi 81 engines Byrojet fan units Right Gary Cooper Fremont NE poses A-4 Skyhawk ii painted factory demonstrator scheme Gary chose K&B/Lee 75 engine drive Turbax ii fan good combination modei good solid performer available relief elements Power outlets overnight charging well-run transmitter impound also located pilots tent entire airport site located hilltop well clear flight obstructions such trees power lines building structures two model hangars Byrons One-Fifth-Scale Air Force instrumented control tower direct flight operations entire site layout oper ation has finest both pilots spectators terms visibility facilities safety Over 7000 spectators came di rections including Canada Mexico Venezuela make Jet Rally 85 firstclass international affair event officially commenced early Saturday morning pilot registration Byron factory located within Ida Grove about 1 miles flying site Since pilot entry conducted pre-regis tration basis on-site paperwork con sisted satisfying AMA safety dec laration requirements pilots meeting held shortly after pilots tent flying site Dean Copeland presided clearly 80 Model Aviation Left Lynn Elaton Illinois brought Mirage 2000 rally powered 05 B5VR-DF engine Turbax iii fan Right Firebirds act Cloud Dancers RC Parachute Team came Florida demonstrate jet aerobatics formation flying L-R Don Muddiman Tom Veloskey Jr John Davis three aircraft Identical Kfirs powered OS 65VR-DF engines Turbax lii fans Left Gene Marshall Mission KS flew scratch-built 510-Fly ducted-fan model features leading edge slats Hoernertips slow stable flight Power isa K&B 35 engine RK-20 fan unit Right Ivan Munlnghoff son Colorado Springs CO broughttheir F-i 6XL fan jet rally model famous F-i 6 Falcon uses cranked-arrow delta wing pianform Ivans model started life Byron F-i 6 powered Rossi 81 Byrojet fan unit Netting between runway pits helped improve safety margin explained procedures Flight safety emphasized respects strict airworthiness inspection con ducted model slated flight Structural mechanical integrity Left Jim Vestal Kansas City KS brought simple colorful fan trainer Jeteter powered K&B 35 RK-20 fan unit Above Navy F-4 Phantom built Don Welch Indianapolis IN powered two 0S 65 VR-DF engines Turbax ill fans major points concern pattern adopted due prevailing Byron Safety Officials wind direction overflying pit area flying pilot also required crowds would result immediate have assistant caller spot traffic grounding model Low-time pilots act copilot necessary left-hand Continued page 160 October 1985 81 marking have found quite satisfac tory strips /4-inch drywall material drywall plasterboard called area usually sandwiched between two pieces paper Y-inch plasterboard makes excellent tool marking circle pavement usually cut off about five-foot section six inches wide use mark off circle using like piece chalk go back put additional lines markings quite durable during day first rain following con test will remove majority asphalt concrete area important school shopping center parking lots utilized contest sites As always comments welcomed John C Ballard 10102 Kimblewick Dr Louisville KY 40223 CL Speed/Hempel Continued page 71 should wish change perhaps suggestion would welcome As myself would suggest change think elimination pipe monoline would direc tion making attractive old-timers still around may still have interest rekindled came out thought Proto Speed much commend about Proto Speed class Dbut difference addition wing area rule cross section rule generous size perhaps add 3A 6-in landing gear decent-size wheels save ex pensive propellers make easier oldsters actually fly models imagine reflexes re quired 200 mph model make essen tially young mans game other words attract ing young perhaps might worth try attract some old stersjust get people out try out neednt have go whole hog create new class rather perhaps sponsor could found donate some suitable prizes given next Nationals fastest plane conformed informal rules other words prize itself would provide rules planes could timed just other class D model Na tionals Well enough thoughts certainly enjoy col umn Model Aviation Maybe Ill have happier outloook after 85 Nats over Well see Look next Speed column sometime after annual Nats issue MA Gene Hempel 301 N Yale Dr Garland TX 75042 given special assistance prevent unscheduled maneuvers Several mem bers Byron staff continually available coordinate safe flight condi tions overall theme event have fun share exhibition ducted-fan flight Engine run-ups preflight procedures began immediately after pilots meeting 900 am could sense eagerness pilots came afar fly fan-jet models Steve Ort East Peoria IL first become airborne Byron F- 16 model powered Rossi 81 Byrojet fan unit good flight marred minor landing gear problems Steve soon joined others sky full fan-jets unique whining sound pace continued throughout day wide variety ducted-fan models taking skies public address system provided valuable information mod els aloft served hold spectator terest As added incentive reg istered pilot completed first flight received award Byrojet fan unit Saturdays weather fair windy some strong gusts up 25 mph wind direction posed problem since directly perpendicular fixed UPERSALE ngspan 60I72 Flight Weight 5-6 lbs * Removable tail section WEEDHOPPER 60 reg price 114 40 reg price 89 SALE 59 * Easy build * Easy fly * Strong yet light * Stable yet agile * Real aircraft hardware end fabric * Fabric pre-aewn fuel proof * Hardwood pre-drilled y assembly * 3 channels 4 optlonall * Super complete kit lies engine radio tanki right down wheel collars UNSURPASSED DURABILITY R & D ENGINEERING 1245 N Evereff Ridgecrest CA 93555 377-4782 160 Model Aviation Jet Rally/Arro Continued page 81 Blue Orange ow e Camouflage Free shipping US COD add $200 CA residents add 6% runway heading produced some tricky crosswind takeoffs landings several models succumbed wind air temperature density both pleasant providing ideal conditions ducted-fan efficiency Sunday winds abated light variable gen erally sunny skies prevailed However weather before after Jet Rally 85 dominated severe storms Wind advisories tornado warnings sued thunderstorms occurred both Friday Sunday evenings Driving con ditions hazardous some full-scale flights delayed canceled due weather low-key fan-fly events last year gave way open flying timed speed runs radar speed measurement system replaced manual timing elec tronic processing ground speed large digital scoreboard displayed speed run real time pilots spectators passe clocked 130-140 mph range Bob Fiorenzes A-4 Skyhawk topped field 152 mph Several Byron fan jets Tom Cooks Starfire design clocked excess 140mph proving realistic jet performance now available com parison purposes highest speed run recorded 1984 Fan Fly 124 mph Great fan-jet agility roll rate outside loops knife-edge flight demon strated Tom Velosky Jr Cloud Dancers Firebird Team Floridabased model air show team performs three identical Kfir models powered OS 65VR-DF engine Tur bax III fan unit formation-flight routine something behold especially single flight ducted-fan-pow ered model rare event few years ago Fan technology has truly come age commercially-available equip ment requiring normal piloting skills enjoy realistic jet-powered flight Several new fan-jets exhibited both flight ground Byron Originals unveiled new F-iS Eagle twin jet F-20 Tigershark Both models flown during weekend met performance expectations Hopefully will scheduled release Byron near future SR-7 1 Blackbird design also flown Sunday after noon ships previous slow-speed sta bility problems have resolved simple CG shift Evidently blended wing-fuselage confignration Black bird required recalculation proper balance point Considerable wind tunnel flight testing required fullscale counterpart also SR-7 1 majestic shapes air either full-scale model form rare treat see fly Kenny Sterner Sterner Engineering Bath PA made about dozen demonstra tion flights T-33 version new F-80 Shooting Star design fan-jet drew great deal attention designed larger-displacement engines Byrojet fan unit T-33 flew very well really needs wing-tip tanks make appearance just right mind Conspicuous absence Bob Violett Everyone anxious see F-86 Sabre Sport Shark jet perform long-awaited Viojett fan system Family commitments precluded Bobs tendance Jet Rally 85 has sched uled equipment debut Greater Southwest Fan Rally later year flight demonstrations provided good comparison various jet de signs engines fan units available todays marketplace equipment suppliers hand give further information products event overtones air expo bazaar regards various equipment display demonstrations fan enthusiasts culmination flying day marked performance Striking Back panoramic spectacle model action Mere words cannot describe show must experienced person full effect year Byron unveiled Giant Scale C-47 Dakota Gooney Bird equip ped onboard engine starters full squad paratroopers engine starting sequence realistic ever witnessed author truly mag nificent model joined couple October 1985 161 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX K AMA Membership143 Ace Radio Control49 Airtronics82-83 Astro Flight1 28 B. Line22 B&B Custom Built Models158 Balsa USA13 Beercan Bombers128 Bergeron Enterprises146 Byron Originals47 CaRa Products152 Carolina-Taffinder156 Johnnie Casburn Mfg138 Chicago Model & Hobby Show145 Cleveland Model & Supply Co151 Eric Clutton163 Condor Trading Co120 Consumers Guide125 Coverite157 Cox Hobbies142 D&D Engineering159 DGA Designs154 Jim Denaro Model Products51 Dougs Hobby Shop148-149 Larry Dodge Aero Inc135 Du-Bro Products Inc11 FAI Model Supply129 FHS Supply Inc4 Fiberglass Master139 Flyline Models157 Fourmost Products146 Fox Mfg53 Futaba Corp America2 Gas Model Products162 Gator RC Products138 Carl Goldberg Models7 Golden Gate Hobbiess3 Gorham Model Products9 Great Planes Model Mfg Co1 1/5-scale B-25 Mitchell bombers squad ron A6M5 Zero fighters P-47 Thunder bolts P-si Mustangs F4U Corsair Stir together add couple manned 1/25-scale M-4 Sherman tanks sea son indescribable pyrotechnics yield extravaganza called Striking Back Jet Rally 85 unqualified success terms exhibiting ducted-fan airplanes modelers public alike equip ment evolving third generation fan units realistic jet performance Historic Aviation21 Hobby Barn122-123 Hobby Capitol Distributors156 Hobby Horn49 Hobby Lobby International150 Hobby World Imports152 Hobbypoxy160 Holleys Silent Flight155 Ikon Northwest Co146 Indy RC Sales Inc130-132 Jeffla Corp147 Jomar125 163 K&BMfg156 K&S Engineering121 Kin Craft159 Knights Air120163 Kraft Systems Inc23 Kustom Kraftsmanship133 L&L Model Products128 Lindsey Micro Products1 Se Lone Star Models43 MACS Products152 Mammoth Scale Plans129 Master Kit144 McDaniel RC Service20 Jim Messers Quality Model Prod142 Micro Mark141 Micro Model Engineering146 Model Magic Products154 Model Rectifier CorpCovers 2 3 Morley USA158 Mutchlers Hobbies126-127 National Soaring Society158 Nor-Ray Products Inc20 North Products149 Nowlen Aero140 Off Ground Models155 PK Products144 Pacer Technology161 levels now achievable Current devel opments directed improving opera bility simplifring usage average RC modeler Ducted-fan technology has matured evidence wide variety models seen future bright can look forward continued events type promote new dimension RC powered flight sincere thanks extended Byron Godbersen able staff worked long hard provide setting hospitality memorable Hal Payne Enterprises152 Peck-Polymers138 Penn Valley Hobby Center158 Pica Products12 Polks Model Craft Hobby24-25 RC Buyers Guide147 RC Novelties22 RC Video Magazine144 R&D Engineering160 RJL Industries142 Radio South135 Repla-Tech International135 RoushMfg134162 SR Batteries139 SachsbyTG140 Sailplanes World124 Satellite City77 Scale Model Research135 Schlueter Free Flight Models162 Shamrock Competition Imports129 Sheldons Hobby Shop8136-137 Sig Mfg Co14-15 159 Simcoe RC Aircraft Co74 Specialty Hardware Co140 St Croix Models20 Standale Aircraft1 34 T&D Fiberglass Specialties124 John Tatone Model Eng Access22 Tatone Products Co121 Texxon Precision Products45 Top Flite Models Inc124 Tower Hobbies153 WE Technical Services6 Williams Bros139 Wilshire Model Center149 Windsor Propeller Co51 Workshop Concepts119 World Hobbies157 World EnginesCover 4 Zenith Aviation PublicationsS events modeling history missed interested please note Jet Rally 86 has already scheduled June 21-22 1986 Ida Grove IA Plan now attend look forward seeing MB-7/Noonan Continued page 88 wing tips made laminating three pieces 1/32 x wood around cardboard form Join part Super sport flier turnaround pattern Balsa & ply construction 70 span 927 sq area 7A -BS lbs$1 j 7612 cu Dealer Inquiry Invited 1728 Sywood SE Canton OH 44707 Send $1 far Catalog 216 484681O RoUSH MFG 162 Model Aviation r Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 02 $995 Giant Kwik Set 6 Minute16 oz$1395 Half FastlOMinutelOoz$895 GMP AIRCRAFT INSTRUMENTS 80in31161143/81/2$ 149 40 3/4 inch $ 149 EASY OFF PULLER proper tool removing drive washersand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OM 45239 513 385-7398 oat dealer ord drect Pout dd $150 [I Schlueter Free Flight Models 3508 Poinsettia Ave Manhattan Beach Co 90266 Dealer Inquiries Invited S PACIFIC ACE BLACK BULLET PARTIAL KITS pIans&printedvod PACIF ACE o SLACIS BULLET 2OS32S30 70 40t665 ADD 5200 SHLPP5G FOR EACH KIT ORDERCA RES ADO 6/ TAX
Edition: Model Aviation - 1985/10
Page Numbers: 79, 80, 81, 160, 161, 162
Randy Lymans F-15 Eagle twin-engine fan jet begins its takeoff roll Randy St Louis MO planes builder Roy Hartman Ida Grove IA flying site unobstructed probably best set up maintained model airports world THE SUMMER SOLSTICE weekend provided setting largest assem blage ducted-fan-powered model aircraft ever Ninety-nine registered pilots 22 states two Canadian provinces con verged Jet Rally 85 Ida Grove IA represents 80% increase over number pilots participating first Fan Fly held 1984 Interest aspect aeromodeling full afterburner climb pilots ranged novices veteran jet jockeys fan-powered flights logbooks common denominator share experiences witness latest developments ducted fan-powered flight pilots also wit nessed Striking Back greatest air shows modeling Byron International Airport located LaJune Estates may have recorded greatest number ofjet takeoffs landings within Iowa weekend flying site has best country featuring 600-ft concrete runway authentic markings Paved taxiways pro vide access main runway dividing safety net proved its worth restraining several errant models ample pit area manicured grass rope barrier spectators Dining canopies permitted pits spectators view would obscured although large pilots tent Lull LUF uu uuluuTun moouu wuru pruuuni ior jul nummy o upulluluru riuriiuruu uvur II~- cluster Starfire sport ducted-fan models put numerous flights originalwas voteaLhoice 1984 Fan Fly Starfires currently powered several different 61 67-size engines conjunction mu uynamax fan unit October 1985 79 Left A trio fan-jet models Texas L-R An AJ-37 Viggen powered byan 05 46VR-DF RK-4Ofan Gloater Meteorwith two 05 25V-OF engines RK-20 units A-4N Skyhawk powered Rossi 81 Byrojet fan Viggen Meteor belong Mike Kulczk Hugh Jones owns A-4both gents Austin Right Pattern flying may never same after twin ducted-fan version Dirty Birdi Built flown Bill Hempel Tucson AZ uses twin Rossi 81s Dynamax fans Crosswind takeoff got Left Bob Fiorenze Brooklyn NY flew goreous F-4 Phantom jt Model deploys drag chute landing just like full-size real crowd pleaser Right Roy Hartmans F-i 5 Eagle gathering speed fortakeoff Thrust provided two K&B 75 engines mounted Turbax ii fan units very colorful model both ground air entire event seemed optimized forthe spectators Left Lawrence Short Rivers Canada brought fan fleet MiG-iS utilizes variable-area exit nozzle maximum flight per formance Guifstream Peregrine corporate-type jet scratch-bulit Styrofoam construction Both models powered Rossi 81 engines Byrojet fan units Right Gary Cooper Fremont NE poses A-4 Skyhawk ii painted factory demonstrator scheme Gary chose K&B/Lee 75 engine drive Turbax ii fan good combination modei good solid performer available relief elements Power outlets overnight charging well-run transmitter impound also located pilots tent entire airport site located hilltop well clear flight obstructions such trees power lines building structures two model hangars Byrons One-Fifth-Scale Air Force instrumented control tower direct flight operations entire site layout oper ation has finest both pilots spectators terms visibility facilities safety Over 7000 spectators came di rections including Canada Mexico Venezuela make Jet Rally 85 firstclass international affair event officially commenced early Saturday morning pilot registration Byron factory located within Ida Grove about 1 miles flying site Since pilot entry conducted pre-regis tration basis on-site paperwork con sisted satisfying AMA safety dec laration requirements pilots meeting held shortly after pilots tent flying site Dean Copeland presided clearly 80 Model Aviation Left Lynn Elaton Illinois brought Mirage 2000 rally powered 05 B5VR-DF engine Turbax iii fan Right Firebirds act Cloud Dancers RC Parachute Team came Florida demonstrate jet aerobatics formation flying L-R Don Muddiman Tom Veloskey Jr John Davis three aircraft Identical Kfirs powered OS 65VR-DF engines Turbax lii fans Left Gene Marshall Mission KS flew scratch-built 510-Fly ducted-fan model features leading edge slats Hoernertips slow stable flight Power isa K&B 35 engine RK-20 fan unit Right Ivan Munlnghoff son Colorado Springs CO broughttheir F-i 6XL fan jet rally model famous F-i 6 Falcon uses cranked-arrow delta wing pianform Ivans model started life Byron F-i 6 powered Rossi 81 Byrojet fan unit Netting between runway pits helped improve safety margin explained procedures Flight safety emphasized respects strict airworthiness inspection con ducted model slated flight Structural mechanical integrity Left Jim Vestal Kansas City KS brought simple colorful fan trainer Jeteter powered K&B 35 RK-20 fan unit Above Navy F-4 Phantom built Don Welch Indianapolis IN powered two 0S 65 VR-DF engines Turbax ill fans major points concern pattern adopted due prevailing Byron Safety Officials wind direction overflying pit area flying pilot also required crowds would result immediate have assistant caller spot traffic grounding model Low-time pilots act copilot necessary left-hand Continued page 160 October 1985 81 marking have found quite satisfac tory strips /4-inch drywall material drywall plasterboard called area usually sandwiched between two pieces paper Y-inch plasterboard makes excellent tool marking circle pavement usually cut off about five-foot section six inches wide use mark off circle using like piece chalk go back put additional lines markings quite durable during day first rain following con test will remove majority asphalt concrete area important school shopping center parking lots utilized contest sites As always comments welcomed John C Ballard 10102 Kimblewick Dr Louisville KY 40223 CL Speed/Hempel Continued page 71 should wish change perhaps suggestion would welcome As myself would suggest change think elimination pipe monoline would direc tion making attractive old-timers still around may still have interest rekindled came out thought Proto Speed much commend about Proto Speed class Dbut difference addition wing area rule cross section rule generous size perhaps add 3A 6-in landing gear decent-size wheels save ex pensive propellers make easier oldsters actually fly models imagine reflexes re quired 200 mph model make essen tially young mans game other words attract ing young perhaps might worth try attract some old stersjust get people out try out neednt have go whole hog create new class rather perhaps sponsor could found donate some suitable prizes given next Nationals fastest plane conformed informal rules other words prize itself would provide rules planes could timed just other class D model Na tionals Well enough thoughts certainly enjoy col umn Model Aviation Maybe Ill have happier outloook after 85 Nats over Well see Look next Speed column sometime after annual Nats issue MA Gene Hempel 301 N Yale Dr Garland TX 75042 given special assistance prevent unscheduled maneuvers Several mem bers Byron staff continually available coordinate safe flight condi tions overall theme event have fun share exhibition ducted-fan flight Engine run-ups preflight procedures began immediately after pilots meeting 900 am could sense eagerness pilots came afar fly fan-jet models Steve Ort East Peoria IL first become airborne Byron F- 16 model powered Rossi 81 Byrojet fan unit good flight marred minor landing gear problems Steve soon joined others sky full fan-jets unique whining sound pace continued throughout day wide variety ducted-fan models taking skies public address system provided valuable information mod els aloft served hold spectator terest As added incentive reg istered pilot completed first flight received award Byrojet fan unit Saturdays weather fair windy some strong gusts up 25 mph wind direction posed problem since directly perpendicular fixed UPERSALE ngspan 60I72 Flight Weight 5-6 lbs * Removable tail section WEEDHOPPER 60 reg price 114 40 reg price 89 SALE 59 * Easy build * Easy fly * Strong yet light * Stable yet agile * Real aircraft hardware end fabric * Fabric pre-aewn fuel proof * Hardwood pre-drilled y assembly * 3 channels 4 optlonall * Super complete kit lies engine radio tanki right down wheel collars UNSURPASSED DURABILITY R & D ENGINEERING 1245 N Evereff Ridgecrest CA 93555 377-4782 160 Model Aviation Jet Rally/Arro Continued page 81 Blue Orange ow e Camouflage Free shipping US COD add $200 CA residents add 6% runway heading produced some tricky crosswind takeoffs landings several models succumbed wind air temperature density both pleasant providing ideal conditions ducted-fan efficiency Sunday winds abated light variable gen erally sunny skies prevailed However weather before after Jet Rally 85 dominated severe storms Wind advisories tornado warnings sued thunderstorms occurred both Friday Sunday evenings Driving con ditions hazardous some full-scale flights delayed canceled due weather low-key fan-fly events last year gave way open flying timed speed runs radar speed measurement system replaced manual timing elec tronic processing ground speed large digital scoreboard displayed speed run real time pilots spectators passe clocked 130-140 mph range Bob Fiorenzes A-4 Skyhawk topped field 152 mph Several Byron fan jets Tom Cooks Starfire design clocked excess 140mph proving realistic jet performance now available com parison purposes highest speed run recorded 1984 Fan Fly 124 mph Great fan-jet agility roll rate outside loops knife-edge flight demon strated Tom Velosky Jr Cloud Dancers Firebird Team Floridabased model air show team performs three identical Kfir models powered OS 65VR-DF engine Tur bax III fan unit formation-flight routine something behold especially single flight ducted-fan-pow ered model rare event few years ago Fan technology has truly come age commercially-available equip ment requiring normal piloting skills enjoy realistic jet-powered flight Several new fan-jets exhibited both flight ground Byron Originals unveiled new F-iS Eagle twin jet F-20 Tigershark Both models flown during weekend met performance expectations Hopefully will scheduled release Byron near future SR-7 1 Blackbird design also flown Sunday after noon ships previous slow-speed sta bility problems have resolved simple CG shift Evidently blended wing-fuselage confignration Black bird required recalculation proper balance point Considerable wind tunnel flight testing required fullscale counterpart also SR-7 1 majestic shapes air either full-scale model form rare treat see fly Kenny Sterner Sterner Engineering Bath PA made about dozen demonstra tion flights T-33 version new F-80 Shooting Star design fan-jet drew great deal attention designed larger-displacement engines Byrojet fan unit T-33 flew very well really needs wing-tip tanks make appearance just right mind Conspicuous absence Bob Violett Everyone anxious see F-86 Sabre Sport Shark jet perform long-awaited Viojett fan system Family commitments precluded Bobs tendance Jet Rally 85 has sched uled equipment debut Greater Southwest Fan Rally later year flight demonstrations provided good comparison various jet de signs engines fan units available todays marketplace equipment suppliers hand give further information products event overtones air expo bazaar regards various equipment display demonstrations fan enthusiasts culmination flying day marked performance Striking Back panoramic spectacle model action Mere words cannot describe show must experienced person full effect year Byron unveiled Giant Scale C-47 Dakota Gooney Bird equip ped onboard engine starters full squad paratroopers engine starting sequence realistic ever witnessed author truly mag nificent model joined couple October 1985 161 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX K AMA Membership143 Ace Radio Control49 Airtronics82-83 Astro Flight1 28 B. Line22 B&B Custom Built Models158 Balsa USA13 Beercan Bombers128 Bergeron Enterprises146 Byron Originals47 CaRa Products152 Carolina-Taffinder156 Johnnie Casburn Mfg138 Chicago Model & Hobby Show145 Cleveland Model & Supply Co151 Eric Clutton163 Condor Trading Co120 Consumers Guide125 Coverite157 Cox Hobbies142 D&D Engineering159 DGA Designs154 Jim Denaro Model Products51 Dougs Hobby Shop148-149 Larry Dodge Aero Inc135 Du-Bro Products Inc11 FAI Model Supply129 FHS Supply Inc4 Fiberglass Master139 Flyline Models157 Fourmost Products146 Fox Mfg53 Futaba Corp America2 Gas Model Products162 Gator RC Products138 Carl Goldberg Models7 Golden Gate Hobbiess3 Gorham Model Products9 Great Planes Model Mfg Co1 1/5-scale B-25 Mitchell bombers squad ron A6M5 Zero fighters P-47 Thunder bolts P-si Mustangs F4U Corsair Stir together add couple manned 1/25-scale M-4 Sherman tanks sea son indescribable pyrotechnics yield extravaganza called Striking Back Jet Rally 85 unqualified success terms exhibiting ducted-fan airplanes modelers public alike equip ment evolving third generation fan units realistic jet performance Historic Aviation21 Hobby Barn122-123 Hobby Capitol Distributors156 Hobby Horn49 Hobby Lobby International150 Hobby World Imports152 Hobbypoxy160 Holleys Silent Flight155 Ikon Northwest Co146 Indy RC Sales Inc130-132 Jeffla Corp147 Jomar125 163 K&BMfg156 K&S Engineering121 Kin Craft159 Knights Air120163 Kraft Systems Inc23 Kustom Kraftsmanship133 L&L Model Products128 Lindsey Micro Products1 Se Lone Star Models43 MACS Products152 Mammoth Scale Plans129 Master Kit144 McDaniel RC Service20 Jim Messers Quality Model Prod142 Micro Mark141 Micro Model Engineering146 Model Magic Products154 Model Rectifier CorpCovers 2 3 Morley USA158 Mutchlers Hobbies126-127 National Soaring Society158 Nor-Ray Products Inc20 North Products149 Nowlen Aero140 Off Ground Models155 PK Products144 Pacer Technology161 levels now achievable Current devel opments directed improving opera bility simplifring usage average RC modeler Ducted-fan technology has matured evidence wide variety models seen future bright can look forward continued events type promote new dimension RC powered flight sincere thanks extended Byron Godbersen able staff worked long hard provide setting hospitality memorable Hal Payne Enterprises152 Peck-Polymers138 Penn Valley Hobby Center158 Pica Products12 Polks Model Craft Hobby24-25 RC Buyers Guide147 RC Novelties22 RC Video Magazine144 R&D Engineering160 RJL Industries142 Radio South135 Repla-Tech International135 RoushMfg134162 SR Batteries139 SachsbyTG140 Sailplanes World124 Satellite City77 Scale Model Research135 Schlueter Free Flight Models162 Shamrock Competition Imports129 Sheldons Hobby Shop8136-137 Sig Mfg Co14-15 159 Simcoe RC Aircraft Co74 Specialty Hardware Co140 St Croix Models20 Standale Aircraft1 34 T&D Fiberglass Specialties124 John Tatone Model Eng Access22 Tatone Products Co121 Texxon Precision Products45 Top Flite Models Inc124 Tower Hobbies153 WE Technical Services6 Williams Bros139 Wilshire Model Center149 Windsor Propeller Co51 Workshop Concepts119 World Hobbies157 World EnginesCover 4 Zenith Aviation PublicationsS events modeling history missed interested please note Jet Rally 86 has already scheduled June 21-22 1986 Ida Grove IA Plan now attend look forward seeing MB-7/Noonan Continued page 88 wing tips made laminating three pieces 1/32 x wood around cardboard form Join part Super sport flier turnaround pattern Balsa & ply construction 70 span 927 sq area 7A -BS lbs$1 j 7612 cu Dealer Inquiry Invited 1728 Sywood SE Canton OH 44707 Send $1 far Catalog 216 484681O RoUSH MFG 162 Model Aviation r Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 02 $995 Giant Kwik Set 6 Minute16 oz$1395 Half FastlOMinutelOoz$895 GMP AIRCRAFT INSTRUMENTS 80in31161143/81/2$ 149 40 3/4 inch $ 149 EASY OFF PULLER proper tool removing drive washersand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OM 45239 513 385-7398 oat dealer ord drect Pout dd $150 [I Schlueter Free Flight Models 3508 Poinsettia Ave Manhattan Beach Co 90266 Dealer Inquiries Invited S PACIFIC ACE BLACK BULLET PARTIAL KITS pIans&printedvod PACIF ACE o SLACIS BULLET 2OS32S30 70 40t665 ADD 5200 SHLPP5G FOR EACH KIT ORDERCA RES ADO 6/ TAX
Edition: Model Aviation - 1985/10
Page Numbers: 79, 80, 81, 160, 161, 162
Randy Lymans F-15 Eagle twin-engine fan jet begins its takeoff roll Randy St Louis MO planes builder Roy Hartman Ida Grove IA flying site unobstructed probably best set up maintained model airports world THE SUMMER SOLSTICE weekend provided setting largest assem blage ducted-fan-powered model aircraft ever Ninety-nine registered pilots 22 states two Canadian provinces con verged Jet Rally 85 Ida Grove IA represents 80% increase over number pilots participating first Fan Fly held 1984 Interest aspect aeromodeling full afterburner climb pilots ranged novices veteran jet jockeys fan-powered flights logbooks common denominator share experiences witness latest developments ducted fan-powered flight pilots also wit nessed Striking Back greatest air shows modeling Byron International Airport located LaJune Estates may have recorded greatest number ofjet takeoffs landings within Iowa weekend flying site has best country featuring 600-ft concrete runway authentic markings Paved taxiways pro vide access main runway dividing safety net proved its worth restraining several errant models ample pit area manicured grass rope barrier spectators Dining canopies permitted pits spectators view would obscured although large pilots tent Lull LUF uu uuluuTun moouu wuru pruuuni ior jul nummy o upulluluru riuriiuruu uvur II~- cluster Starfire sport ducted-fan models put numerous flights originalwas voteaLhoice 1984 Fan Fly Starfires currently powered several different 61 67-size engines conjunction mu uynamax fan unit October 1985 79 Left A trio fan-jet models Texas L-R An AJ-37 Viggen powered byan 05 46VR-DF RK-4Ofan Gloater Meteorwith two 05 25V-OF engines RK-20 units A-4N Skyhawk powered Rossi 81 Byrojet fan Viggen Meteor belong Mike Kulczk Hugh Jones owns A-4both gents Austin Right Pattern flying may never same after twin ducted-fan version Dirty Birdi Built flown Bill Hempel Tucson AZ uses twin Rossi 81s Dynamax fans Crosswind takeoff got Left Bob Fiorenze Brooklyn NY flew goreous F-4 Phantom jt Model deploys drag chute landing just like full-size real crowd pleaser Right Roy Hartmans F-i 5 Eagle gathering speed fortakeoff Thrust provided two K&B 75 engines mounted Turbax ii fan units very colorful model both ground air entire event seemed optimized forthe spectators Left Lawrence Short Rivers Canada brought fan fleet MiG-iS utilizes variable-area exit nozzle maximum flight per formance Guifstream Peregrine corporate-type jet scratch-bulit Styrofoam construction Both models powered Rossi 81 engines Byrojet fan units Right Gary Cooper Fremont NE poses A-4 Skyhawk ii painted factory demonstrator scheme Gary chose K&B/Lee 75 engine drive Turbax ii fan good combination modei good solid performer available relief elements Power outlets overnight charging well-run transmitter impound also located pilots tent entire airport site located hilltop well clear flight obstructions such trees power lines building structures two model hangars Byrons One-Fifth-Scale Air Force instrumented control tower direct flight operations entire site layout oper ation has finest both pilots spectators terms visibility facilities safety Over 7000 spectators came di rections including Canada Mexico Venezuela make Jet Rally 85 firstclass international affair event officially commenced early Saturday morning pilot registration Byron factory located within Ida Grove about 1 miles flying site Since pilot entry conducted pre-regis tration basis on-site paperwork con sisted satisfying AMA safety dec laration requirements pilots meeting held shortly after pilots tent flying site Dean Copeland presided clearly 80 Model Aviation Left Lynn Elaton Illinois brought Mirage 2000 rally powered 05 B5VR-DF engine Turbax iii fan Right Firebirds act Cloud Dancers RC Parachute Team came Florida demonstrate jet aerobatics formation flying L-R Don Muddiman Tom Veloskey Jr John Davis three aircraft Identical Kfirs powered OS 65VR-DF engines Turbax lii fans Left Gene Marshall Mission KS flew scratch-built 510-Fly ducted-fan model features leading edge slats Hoernertips slow stable flight Power isa K&B 35 engine RK-20 fan unit Right Ivan Munlnghoff son Colorado Springs CO broughttheir F-i 6XL fan jet rally model famous F-i 6 Falcon uses cranked-arrow delta wing pianform Ivans model started life Byron F-i 6 powered Rossi 81 Byrojet fan unit Netting between runway pits helped improve safety margin explained procedures Flight safety emphasized respects strict airworthiness inspection con ducted model slated flight Structural mechanical integrity Left Jim Vestal Kansas City KS brought simple colorful fan trainer Jeteter powered K&B 35 RK-20 fan unit Above Navy F-4 Phantom built Don Welch Indianapolis IN powered two 0S 65 VR-DF engines Turbax ill fans major points concern pattern adopted due prevailing Byron Safety Officials wind direction overflying pit area flying pilot also required crowds would result immediate have assistant caller spot traffic grounding model Low-time pilots act copilot necessary left-hand Continued page 160 October 1985 81 marking have found quite satisfac tory strips /4-inch drywall material drywall plasterboard called area usually sandwiched between two pieces paper Y-inch plasterboard makes excellent tool marking circle pavement usually cut off about five-foot section six inches wide use mark off circle using like piece chalk go back put additional lines markings quite durable during day first rain following con test will remove majority asphalt concrete area important school shopping center parking lots utilized contest sites As always comments welcomed John C Ballard 10102 Kimblewick Dr Louisville KY 40223 CL Speed/Hempel Continued page 71 should wish change perhaps suggestion would welcome As myself would suggest change think elimination pipe monoline would direc tion making attractive old-timers still around may still have interest rekindled came out thought Proto Speed much commend about Proto Speed class Dbut difference addition wing area rule cross section rule generous size perhaps add 3A 6-in landing gear decent-size wheels save ex pensive propellers make easier oldsters actually fly models imagine reflexes re quired 200 mph model make essen tially young mans game other words attract ing young perhaps might worth try attract some old stersjust get people out try out neednt have go whole hog create new class rather perhaps sponsor could found donate some suitable prizes given next Nationals fastest plane conformed informal rules other words prize itself would provide rules planes could timed just other class D model Na tionals Well enough thoughts certainly enjoy col umn Model Aviation Maybe Ill have happier outloook after 85 Nats over Well see Look next Speed column sometime after annual Nats issue MA Gene Hempel 301 N Yale Dr Garland TX 75042 given special assistance prevent unscheduled maneuvers Several mem bers Byron staff continually available coordinate safe flight condi tions overall theme event have fun share exhibition ducted-fan flight Engine run-ups preflight procedures began immediately after pilots meeting 900 am could sense eagerness pilots came afar fly fan-jet models Steve Ort East Peoria IL first become airborne Byron F- 16 model powered Rossi 81 Byrojet fan unit good flight marred minor landing gear problems Steve soon joined others sky full fan-jets unique whining sound pace continued throughout day wide variety ducted-fan models taking skies public address system provided valuable information mod els aloft served hold spectator terest As added incentive reg istered pilot completed first flight received award Byrojet fan unit Saturdays weather fair windy some strong gusts up 25 mph wind direction posed problem since directly perpendicular fixed UPERSALE ngspan 60I72 Flight Weight 5-6 lbs * Removable tail section WEEDHOPPER 60 reg price 114 40 reg price 89 SALE 59 * Easy build * Easy fly * Strong yet light * Stable yet agile * Real aircraft hardware end fabric * Fabric pre-aewn fuel proof * Hardwood pre-drilled y assembly * 3 channels 4 optlonall * Super complete kit lies engine radio tanki right down wheel collars UNSURPASSED DURABILITY R & D ENGINEERING 1245 N Evereff Ridgecrest CA 93555 377-4782 160 Model Aviation Jet Rally/Arro Continued page 81 Blue Orange ow e Camouflage Free shipping US COD add $200 CA residents add 6% runway heading produced some tricky crosswind takeoffs landings several models succumbed wind air temperature density both pleasant providing ideal conditions ducted-fan efficiency Sunday winds abated light variable gen erally sunny skies prevailed However weather before after Jet Rally 85 dominated severe storms Wind advisories tornado warnings sued thunderstorms occurred both Friday Sunday evenings Driving con ditions hazardous some full-scale flights delayed canceled due weather low-key fan-fly events last year gave way open flying timed speed runs radar speed measurement system replaced manual timing elec tronic processing ground speed large digital scoreboard displayed speed run real time pilots spectators passe clocked 130-140 mph range Bob Fiorenzes A-4 Skyhawk topped field 152 mph Several Byron fan jets Tom Cooks Starfire design clocked excess 140mph proving realistic jet performance now available com parison purposes highest speed run recorded 1984 Fan Fly 124 mph Great fan-jet agility roll rate outside loops knife-edge flight demon strated Tom Velosky Jr Cloud Dancers Firebird Team Floridabased model air show team performs three identical Kfir models powered OS 65VR-DF engine Tur bax III fan unit formation-flight routine something behold especially single flight ducted-fan-pow ered model rare event few years ago Fan technology has truly come age commercially-available equip ment requiring normal piloting skills enjoy realistic jet-powered flight Several new fan-jets exhibited both flight ground Byron Originals unveiled new F-iS Eagle twin jet F-20 Tigershark Both models flown during weekend met performance expectations Hopefully will scheduled release Byron near future SR-7 1 Blackbird design also flown Sunday after noon ships previous slow-speed sta bility problems have resolved simple CG shift Evidently blended wing-fuselage confignration Black bird required recalculation proper balance point Considerable wind tunnel flight testing required fullscale counterpart also SR-7 1 majestic shapes air either full-scale model form rare treat see fly Kenny Sterner Sterner Engineering Bath PA made about dozen demonstra tion flights T-33 version new F-80 Shooting Star design fan-jet drew great deal attention designed larger-displacement engines Byrojet fan unit T-33 flew very well really needs wing-tip tanks make appearance just right mind Conspicuous absence Bob Violett Everyone anxious see F-86 Sabre Sport Shark jet perform long-awaited Viojett fan system Family commitments precluded Bobs tendance Jet Rally 85 has sched uled equipment debut Greater Southwest Fan Rally later year flight demonstrations provided good comparison various jet de signs engines fan units available todays marketplace equipment suppliers hand give further information products event overtones air expo bazaar regards various equipment display demonstrations fan enthusiasts culmination flying day marked performance Striking Back panoramic spectacle model action Mere words cannot describe show must experienced person full effect year Byron unveiled Giant Scale C-47 Dakota Gooney Bird equip ped onboard engine starters full squad paratroopers engine starting sequence realistic ever witnessed author truly mag nificent model joined couple October 1985 161 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX K AMA Membership143 Ace Radio Control49 Airtronics82-83 Astro Flight1 28 B. Line22 B&B Custom Built Models158 Balsa USA13 Beercan Bombers128 Bergeron Enterprises146 Byron Originals47 CaRa Products152 Carolina-Taffinder156 Johnnie Casburn Mfg138 Chicago Model & Hobby Show145 Cleveland Model & Supply Co151 Eric Clutton163 Condor Trading Co120 Consumers Guide125 Coverite157 Cox Hobbies142 D&D Engineering159 DGA Designs154 Jim Denaro Model Products51 Dougs Hobby Shop148-149 Larry Dodge Aero Inc135 Du-Bro Products Inc11 FAI Model Supply129 FHS Supply Inc4 Fiberglass Master139 Flyline Models157 Fourmost Products146 Fox Mfg53 Futaba Corp America2 Gas Model Products162 Gator RC Products138 Carl Goldberg Models7 Golden Gate Hobbiess3 Gorham Model Products9 Great Planes Model Mfg Co1 1/5-scale B-25 Mitchell bombers squad ron A6M5 Zero fighters P-47 Thunder bolts P-si Mustangs F4U Corsair Stir together add couple manned 1/25-scale M-4 Sherman tanks sea son indescribable pyrotechnics yield extravaganza called Striking Back Jet Rally 85 unqualified success terms exhibiting ducted-fan airplanes modelers public alike equip ment evolving third generation fan units realistic jet performance Historic Aviation21 Hobby Barn122-123 Hobby Capitol Distributors156 Hobby Horn49 Hobby Lobby International150 Hobby World Imports152 Hobbypoxy160 Holleys Silent Flight155 Ikon Northwest Co146 Indy RC Sales Inc130-132 Jeffla Corp147 Jomar125 163 K&BMfg156 K&S Engineering121 Kin Craft159 Knights Air120163 Kraft Systems Inc23 Kustom Kraftsmanship133 L&L Model Products128 Lindsey Micro Products1 Se Lone Star Models43 MACS Products152 Mammoth Scale Plans129 Master Kit144 McDaniel RC Service20 Jim Messers Quality Model Prod142 Micro Mark141 Micro Model Engineering146 Model Magic Products154 Model Rectifier CorpCovers 2 3 Morley USA158 Mutchlers Hobbies126-127 National Soaring Society158 Nor-Ray Products Inc20 North Products149 Nowlen Aero140 Off Ground Models155 PK Products144 Pacer Technology161 levels now achievable Current devel opments directed improving opera bility simplifring usage average RC modeler Ducted-fan technology has matured evidence wide variety models seen future bright can look forward continued events type promote new dimension RC powered flight sincere thanks extended Byron Godbersen able staff worked long hard provide setting hospitality memorable Hal Payne Enterprises152 Peck-Polymers138 Penn Valley Hobby Center158 Pica Products12 Polks Model Craft Hobby24-25 RC Buyers Guide147 RC Novelties22 RC Video Magazine144 R&D Engineering160 RJL Industries142 Radio South135 Repla-Tech International135 RoushMfg134162 SR Batteries139 SachsbyTG140 Sailplanes World124 Satellite City77 Scale Model Research135 Schlueter Free Flight Models162 Shamrock Competition Imports129 Sheldons Hobby Shop8136-137 Sig Mfg Co14-15 159 Simcoe RC Aircraft Co74 Specialty Hardware Co140 St Croix Models20 Standale Aircraft1 34 T&D Fiberglass Specialties124 John Tatone Model Eng Access22 Tatone Products Co121 Texxon Precision Products45 Top Flite Models Inc124 Tower Hobbies153 WE Technical Services6 Williams Bros139 Wilshire Model Center149 Windsor Propeller Co51 Workshop Concepts119 World Hobbies157 World EnginesCover 4 Zenith Aviation PublicationsS events modeling history missed interested please note Jet Rally 86 has already scheduled June 21-22 1986 Ida Grove IA Plan now attend look forward seeing MB-7/Noonan Continued page 88 wing tips made laminating three pieces 1/32 x wood around cardboard form Join part Super sport flier turnaround pattern Balsa & ply construction 70 span 927 sq area 7A -BS lbs$1 j 7612 cu Dealer Inquiry Invited 1728 Sywood SE Canton OH 44707 Send $1 far Catalog 216 484681O RoUSH MFG 162 Model Aviation r Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 02 $995 Giant Kwik Set 6 Minute16 oz$1395 Half FastlOMinutelOoz$895 GMP AIRCRAFT INSTRUMENTS 80in31161143/81/2$ 149 40 3/4 inch $ 149 EASY OFF PULLER proper tool removing drive washersand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OM 45239 513 385-7398 oat dealer ord drect Pout dd $150 [I Schlueter Free Flight Models 3508 Poinsettia Ave Manhattan Beach Co 90266 Dealer Inquiries Invited S PACIFIC ACE BLACK BULLET PARTIAL KITS pIans&printedvod PACIF ACE o SLACIS BULLET 2OS32S30 70 40t665 ADD 5200 SHLPP5G FOR EACH KIT ORDERCA RES ADO 6/ TAX
Edition: Model Aviation - 1985/10
Page Numbers: 79, 80, 81, 160, 161, 162
Randy Lymans F-15 Eagle twin-engine fan jet begins its takeoff roll Randy St Louis MO planes builder Roy Hartman Ida Grove IA flying site unobstructed probably best set up maintained model airports world THE SUMMER SOLSTICE weekend provided setting largest assem blage ducted-fan-powered model aircraft ever Ninety-nine registered pilots 22 states two Canadian provinces con verged Jet Rally 85 Ida Grove IA represents 80% increase over number pilots participating first Fan Fly held 1984 Interest aspect aeromodeling full afterburner climb pilots ranged novices veteran jet jockeys fan-powered flights logbooks common denominator share experiences witness latest developments ducted fan-powered flight pilots also wit nessed Striking Back greatest air shows modeling Byron International Airport located LaJune Estates may have recorded greatest number ofjet takeoffs landings within Iowa weekend flying site has best country featuring 600-ft concrete runway authentic markings Paved taxiways pro vide access main runway dividing safety net proved its worth restraining several errant models ample pit area manicured grass rope barrier spectators Dining canopies permitted pits spectators view would obscured although large pilots tent Lull LUF uu uuluuTun moouu wuru pruuuni ior jul nummy o upulluluru riuriiuruu uvur II~- cluster Starfire sport ducted-fan models put numerous flights originalwas voteaLhoice 1984 Fan Fly Starfires currently powered several different 61 67-size engines conjunction mu uynamax fan unit October 1985 79 Left A trio fan-jet models Texas L-R An AJ-37 Viggen powered byan 05 46VR-DF RK-4Ofan Gloater Meteorwith two 05 25V-OF engines RK-20 units A-4N Skyhawk powered Rossi 81 Byrojet fan Viggen Meteor belong Mike Kulczk Hugh Jones owns A-4both gents Austin Right Pattern flying may never same after twin ducted-fan version Dirty Birdi Built flown Bill Hempel Tucson AZ uses twin Rossi 81s Dynamax fans Crosswind takeoff got Left Bob Fiorenze Brooklyn NY flew goreous F-4 Phantom jt Model deploys drag chute landing just like full-size real crowd pleaser Right Roy Hartmans F-i 5 Eagle gathering speed fortakeoff Thrust provided two K&B 75 engines mounted Turbax ii fan units very colorful model both ground air entire event seemed optimized forthe spectators Left Lawrence Short Rivers Canada brought fan fleet MiG-iS utilizes variable-area exit nozzle maximum flight per formance Guifstream Peregrine corporate-type jet scratch-bulit Styrofoam construction Both models powered Rossi 81 engines Byrojet fan units Right Gary Cooper Fremont NE poses A-4 Skyhawk ii painted factory demonstrator scheme Gary chose K&B/Lee 75 engine drive Turbax ii fan good combination modei good solid performer available relief elements Power outlets overnight charging well-run transmitter impound also located pilots tent entire airport site located hilltop well clear flight obstructions such trees power lines building structures two model hangars Byrons One-Fifth-Scale Air Force instrumented control tower direct flight operations entire site layout oper ation has finest both pilots spectators terms visibility facilities safety Over 7000 spectators came di rections including Canada Mexico Venezuela make Jet Rally 85 firstclass international affair event officially commenced early Saturday morning pilot registration Byron factory located within Ida Grove about 1 miles flying site Since pilot entry conducted pre-regis tration basis on-site paperwork con sisted satisfying AMA safety dec laration requirements pilots meeting held shortly after pilots tent flying site Dean Copeland presided clearly 80 Model Aviation Left Lynn Elaton Illinois brought Mirage 2000 rally powered 05 B5VR-DF engine Turbax iii fan Right Firebirds act Cloud Dancers RC Parachute Team came Florida demonstrate jet aerobatics formation flying L-R Don Muddiman Tom Veloskey Jr John Davis three aircraft Identical Kfirs powered OS 65VR-DF engines Turbax lii fans Left Gene Marshall Mission KS flew scratch-built 510-Fly ducted-fan model features leading edge slats Hoernertips slow stable flight Power isa K&B 35 engine RK-20 fan unit Right Ivan Munlnghoff son Colorado Springs CO broughttheir F-i 6XL fan jet rally model famous F-i 6 Falcon uses cranked-arrow delta wing pianform Ivans model started life Byron F-i 6 powered Rossi 81 Byrojet fan unit Netting between runway pits helped improve safety margin explained procedures Flight safety emphasized respects strict airworthiness inspection con ducted model slated flight Structural mechanical integrity Left Jim Vestal Kansas City KS brought simple colorful fan trainer Jeteter powered K&B 35 RK-20 fan unit Above Navy F-4 Phantom built Don Welch Indianapolis IN powered two 0S 65 VR-DF engines Turbax ill fans major points concern pattern adopted due prevailing Byron Safety Officials wind direction overflying pit area flying pilot also required crowds would result immediate have assistant caller spot traffic grounding model Low-time pilots act copilot necessary left-hand Continued page 160 October 1985 81 marking have found quite satisfac tory strips /4-inch drywall material drywall plasterboard called area usually sandwiched between two pieces paper Y-inch plasterboard makes excellent tool marking circle pavement usually cut off about five-foot section six inches wide use mark off circle using like piece chalk go back put additional lines markings quite durable during day first rain following con test will remove majority asphalt concrete area important school shopping center parking lots utilized contest sites As always comments welcomed John C Ballard 10102 Kimblewick Dr Louisville KY 40223 CL Speed/Hempel Continued page 71 should wish change perhaps suggestion would welcome As myself would suggest change think elimination pipe monoline would direc tion making attractive old-timers still around may still have interest rekindled came out thought Proto Speed much commend about Proto Speed class Dbut difference addition wing area rule cross section rule generous size perhaps add 3A 6-in landing gear decent-size wheels save ex pensive propellers make easier oldsters actually fly models imagine reflexes re quired 200 mph model make essen tially young mans game other words attract ing young perhaps might worth try attract some old stersjust get people out try out neednt have go whole hog create new class rather perhaps sponsor could found donate some suitable prizes given next Nationals fastest plane conformed informal rules other words prize itself would provide rules planes could timed just other class D model Na tionals Well enough thoughts certainly enjoy col umn Model Aviation Maybe Ill have happier outloook after 85 Nats over Well see Look next Speed column sometime after annual Nats issue MA Gene Hempel 301 N Yale Dr Garland TX 75042 given special assistance prevent unscheduled maneuvers Several mem bers Byron staff continually available coordinate safe flight condi tions overall theme event have fun share exhibition ducted-fan flight Engine run-ups preflight procedures began immediately after pilots meeting 900 am could sense eagerness pilots came afar fly fan-jet models Steve Ort East Peoria IL first become airborne Byron F- 16 model powered Rossi 81 Byrojet fan unit good flight marred minor landing gear problems Steve soon joined others sky full fan-jets unique whining sound pace continued throughout day wide variety ducted-fan models taking skies public address system provided valuable information mod els aloft served hold spectator terest As added incentive reg istered pilot completed first flight received award Byrojet fan unit Saturdays weather fair windy some strong gusts up 25 mph wind direction posed problem since directly perpendicular fixed UPERSALE ngspan 60I72 Flight Weight 5-6 lbs * Removable tail section WEEDHOPPER 60 reg price 114 40 reg price 89 SALE 59 * Easy build * Easy fly * Strong yet light * Stable yet agile * Real aircraft hardware end fabric * Fabric pre-aewn fuel proof * Hardwood pre-drilled y assembly * 3 channels 4 optlonall * Super complete kit lies engine radio tanki right down wheel collars UNSURPASSED DURABILITY R & D ENGINEERING 1245 N Evereff Ridgecrest CA 93555 377-4782 160 Model Aviation Jet Rally/Arro Continued page 81 Blue Orange ow e Camouflage Free shipping US COD add $200 CA residents add 6% runway heading produced some tricky crosswind takeoffs landings several models succumbed wind air temperature density both pleasant providing ideal conditions ducted-fan efficiency Sunday winds abated light variable gen erally sunny skies prevailed However weather before after Jet Rally 85 dominated severe storms Wind advisories tornado warnings sued thunderstorms occurred both Friday Sunday evenings Driving con ditions hazardous some full-scale flights delayed canceled due weather low-key fan-fly events last year gave way open flying timed speed runs radar speed measurement system replaced manual timing elec tronic processing ground speed large digital scoreboard displayed speed run real time pilots spectators passe clocked 130-140 mph range Bob Fiorenzes A-4 Skyhawk topped field 152 mph Several Byron fan jets Tom Cooks Starfire design clocked excess 140mph proving realistic jet performance now available com parison purposes highest speed run recorded 1984 Fan Fly 124 mph Great fan-jet agility roll rate outside loops knife-edge flight demon strated Tom Velosky Jr Cloud Dancers Firebird Team Floridabased model air show team performs three identical Kfir models powered OS 65VR-DF engine Tur bax III fan unit formation-flight routine something behold especially single flight ducted-fan-pow ered model rare event few years ago Fan technology has truly come age commercially-available equip ment requiring normal piloting skills enjoy realistic jet-powered flight Several new fan-jets exhibited both flight ground Byron Originals unveiled new F-iS Eagle twin jet F-20 Tigershark Both models flown during weekend met performance expectations Hopefully will scheduled release Byron near future SR-7 1 Blackbird design also flown Sunday after noon ships previous slow-speed sta bility problems have resolved simple CG shift Evidently blended wing-fuselage confignration Black bird required recalculation proper balance point Considerable wind tunnel flight testing required fullscale counterpart also SR-7 1 majestic shapes air either full-scale model form rare treat see fly Kenny Sterner Sterner Engineering Bath PA made about dozen demonstra tion flights T-33 version new F-80 Shooting Star design fan-jet drew great deal attention designed larger-displacement engines Byrojet fan unit T-33 flew very well really needs wing-tip tanks make appearance just right mind Conspicuous absence Bob Violett Everyone anxious see F-86 Sabre Sport Shark jet perform long-awaited Viojett fan system Family commitments precluded Bobs tendance Jet Rally 85 has sched uled equipment debut Greater Southwest Fan Rally later year flight demonstrations provided good comparison various jet de signs engines fan units available todays marketplace equipment suppliers hand give further information products event overtones air expo bazaar regards various equipment display demonstrations fan enthusiasts culmination flying day marked performance Striking Back panoramic spectacle model action Mere words cannot describe show must experienced person full effect year Byron unveiled Giant Scale C-47 Dakota Gooney Bird equip ped onboard engine starters full squad paratroopers engine starting sequence realistic ever witnessed author truly mag nificent model joined couple October 1985 161 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX K AMA Membership143 Ace Radio Control49 Airtronics82-83 Astro Flight1 28 B. Line22 B&B Custom Built Models158 Balsa USA13 Beercan Bombers128 Bergeron Enterprises146 Byron Originals47 CaRa Products152 Carolina-Taffinder156 Johnnie Casburn Mfg138 Chicago Model & Hobby Show145 Cleveland Model & Supply Co151 Eric Clutton163 Condor Trading Co120 Consumers Guide125 Coverite157 Cox Hobbies142 D&D Engineering159 DGA Designs154 Jim Denaro Model Products51 Dougs Hobby Shop148-149 Larry Dodge Aero Inc135 Du-Bro Products Inc11 FAI Model Supply129 FHS Supply Inc4 Fiberglass Master139 Flyline Models157 Fourmost Products146 Fox Mfg53 Futaba Corp America2 Gas Model Products162 Gator RC Products138 Carl Goldberg Models7 Golden Gate Hobbiess3 Gorham Model Products9 Great Planes Model Mfg Co1 1/5-scale B-25 Mitchell bombers squad ron A6M5 Zero fighters P-47 Thunder bolts P-si Mustangs F4U Corsair Stir together add couple manned 1/25-scale M-4 Sherman tanks sea son indescribable pyrotechnics yield extravaganza called Striking Back Jet Rally 85 unqualified success terms exhibiting ducted-fan airplanes modelers public alike equip ment evolving third generation fan units realistic jet performance Historic Aviation21 Hobby Barn122-123 Hobby Capitol Distributors156 Hobby Horn49 Hobby Lobby International150 Hobby World Imports152 Hobbypoxy160 Holleys Silent Flight155 Ikon Northwest Co146 Indy RC Sales Inc130-132 Jeffla Corp147 Jomar125 163 K&BMfg156 K&S Engineering121 Kin Craft159 Knights Air120163 Kraft Systems Inc23 Kustom Kraftsmanship133 L&L Model Products128 Lindsey Micro Products1 Se Lone Star Models43 MACS Products152 Mammoth Scale Plans129 Master Kit144 McDaniel RC Service20 Jim Messers Quality Model Prod142 Micro Mark141 Micro Model Engineering146 Model Magic Products154 Model Rectifier CorpCovers 2 3 Morley USA158 Mutchlers Hobbies126-127 National Soaring Society158 Nor-Ray Products Inc20 North Products149 Nowlen Aero140 Off Ground Models155 PK Products144 Pacer Technology161 levels now achievable Current devel opments directed improving opera bility simplifring usage average RC modeler Ducted-fan technology has matured evidence wide variety models seen future bright can look forward continued events type promote new dimension RC powered flight sincere thanks extended Byron Godbersen able staff worked long hard provide setting hospitality memorable Hal Payne Enterprises152 Peck-Polymers138 Penn Valley Hobby Center158 Pica Products12 Polks Model Craft Hobby24-25 RC Buyers Guide147 RC Novelties22 RC Video Magazine144 R&D Engineering160 RJL Industries142 Radio South135 Repla-Tech International135 RoushMfg134162 SR Batteries139 SachsbyTG140 Sailplanes World124 Satellite City77 Scale Model Research135 Schlueter Free Flight Models162 Shamrock Competition Imports129 Sheldons Hobby Shop8136-137 Sig Mfg Co14-15 159 Simcoe RC Aircraft Co74 Specialty Hardware Co140 St Croix Models20 Standale Aircraft1 34 T&D Fiberglass Specialties124 John Tatone Model Eng Access22 Tatone Products Co121 Texxon Precision Products45 Top Flite Models Inc124 Tower Hobbies153 WE Technical Services6 Williams Bros139 Wilshire Model Center149 Windsor Propeller Co51 Workshop Concepts119 World Hobbies157 World EnginesCover 4 Zenith Aviation PublicationsS events modeling history missed interested please note Jet Rally 86 has already scheduled June 21-22 1986 Ida Grove IA Plan now attend look forward seeing MB-7/Noonan Continued page 88 wing tips made laminating three pieces 1/32 x wood around cardboard form Join part Super sport flier turnaround pattern Balsa & ply construction 70 span 927 sq area 7A -BS lbs$1 j 7612 cu Dealer Inquiry Invited 1728 Sywood SE Canton OH 44707 Send $1 far Catalog 216 484681O RoUSH MFG 162 Model Aviation r Modelers Choice GMP EPOXIES High Quality Model Construction Jr Kwik Set 6 Minute5 oz $595 Kwik Set 6 Minute10 02 $995 Giant Kwik Set 6 Minute16 oz$1395 Half FastlOMinutelOoz$895 GMP AIRCRAFT INSTRUMENTS 80in31161143/81/2$ 149 40 3/4 inch $ 149 EASY OFF PULLER proper tool removing drive washersand flywheels $ 795 Gas Model Products 8773 Russet Dr Cincinnati OM 45239 513 385-7398 oat dealer ord drect Pout dd $150 [I Schlueter Free Flight Models 3508 Poinsettia Ave Manhattan Beach Co 90266 Dealer Inquiries Invited S PACIFIC ACE BLACK BULLET PARTIAL KITS pIans&printedvod PACIF ACE o SLACIS BULLET 2OS32S30 70 40t665 ADD 5200 SHLPP5G FOR EACH KIT ORDERCA RES ADO 6/ TAX