RC Sailplanes at the Toledo Show

The 1985 Toledo ExposItIonbefore crowd got Powered RC balloon upper right corner teased crowd three days EDan Pru RC Sailplanes r Toledo Show Below Five Bridis line six inexpensive Salipianes quality buiitup construction kits Right Neat features Airtronics new line Module Transmitters RF unit removable battery Reason spare pack obvious no excuses now long summerafternoons little round thingy isa NiCd button cell provides power forthe clock 24hr stopwatch Nice extra touch what aireadys fine system TOLEDO Its called exposition host club Weak Signals its just exposition Its annual gathering modelers across US other parts modeling world Its gathering special interest groups having togetherness isnt experienced 36 Model Aviation other modeling get-together anywhere Its hard believe started 31 years ago kids growing up back modeling before commercial RC came onto scene Toledo also place takes back 31 years Among 200 listed exhibitors included collectors engines kits magazines plans just beg rem inisce back Forties earlier mere fondling Bantam 19 Left Dave Munson president Weight Stick Co shows now make Wooden nickels Reaiiy have make series lightening hoies Hoie Cutter must Above Dave Martin Hobby Lobby hoids components ready-to-fiy Speed Astirprice $680 Sherry Thomas makes sure hes got good hoid moat expensive Salipiane browsing l940 Air Trails Phantom Flash transfers back running fingers over simple lines early days available reproduction 1Oi Comet kit Toledobut 1940 prices July 1985 . gieiter SG-38 Krick very complete -scaie kit Troy piaced second Non-Mliitary Scaie modei supposed report RC Sailplane side Toledo things relating aspect sport Ill apologize up front favorite model gadget isnt covered put Left Prophet 941 Davey Systems Standard-ciass Salipiane guessed 941 wing areabig brother Two-Meter Prophet Beiow Think smaiil Servo Airtronics modei #94501 com pared dime idesi forthose very smali HL ships becoming popuiaror may mount fin T-tail Sailplane show perspective some statis tics show runs three days wasnt cubbyhole left late exhibitor missed sign-up deadline could open valise ran Al Doig writes RC Soaring col umn RC Modeler Sunday morning last 10000 sample maga zines handed out oneat-a-time shoulder-to-shoulder crowds three days its hard imagine guys gals able see exhibits talk com pany representatives Nonetheless two things certain its worthwhile event attend its fun counted no fewer 14 manufactur ers Sailplanes ranged most-affordable hand-launch variety Scale model Speed Astir price tag nearly $700 radio line latest Ace Airtronics Kraft Futaba JR MRC shown can have choice FM Pulse Code Modulation PCM units meet 1991 standards Thats operation 10 kHz spacing youre mixing functions especially F3B type machines new rigs Airtronics Futaba will mix just about everything bread dough highlights saw made rounds show SR Batteries noted specialized battery packs showed bolt-on-the-back 1200 mAh pack attaches transmitter no special tooling fuss ing pack also comes jumper connection runs transmitters battery lead Its really painless way get capacity long-duration ffights wont revolutionize model building ever have cut lightening hole sheet balsa Dave Munson brought Weight Stick back has made life easier Youll have no frayed chewed-out holes mismatch Hole Cutters come two diameters 34 1 Nice gadgets Glitch Buster item featured February March issues magazine Its available Jomar speak radio have nothing praise idea package quote instruction sheet Glitch Buster effective device available re duce radio interference caused long leads heavy-duty high-power servos combines three different types proven techniques small package 2 x 1 optical isolation signal lines separate battery power servo signal buffer similar Ace EMS glitch stops Bottom line youre running long servo leads just might want consider Glitch Buster airborne installation Al-Tee Spoilers Americanmade spoilers market double acting top bottom wing, separate unit can snap $t Model Aviation ped together longer spoiler Its great Highlights some other models manu idea available through Ace RC facturers include Throw Tantrum No no its ploy Alrtronlcs Adante Cumic distract timekeeper former multi-task Sailplane foam catchiest advertising lines show wings sheeting included fiberglass fuseTantrum Sailplanehand-launch va- lage complete hardware package riety Clever though cleverness doesnt Cumic conventional construc stop polyhedral wing tips fold tion also has fiberglass fuselage its under main panels held place designed Thermal Soaring servo-actuated pins top th BridL said cant afford RC toss/launch tweak up-elevator unfolds Soaring check Bridis line kits wings 21 normal 42-in six ranging hand-launch Tercel span Its kind like stunt Ken Olsen 100-in Windsurfer standard pulled now its Two-Meter bird type built-up construction Prices go now its 100-in span model Gordon $1995 $4995 Pearson LSF Tournament afew years Davey Systems Prophet Prophet back Tantrum available Off 941 Two-Meter Standard-class Sailthe Ground Models 606C W Anthony planes top-quality kits Dr Urbana IL 61801 Continued page 129 Lazy Bird Midwest Products Co all-Toam WITfl narawoog upur crutch Nice iines great filer wing piece bolt spanning two meters Very popular kit special Interest groups highlight League Silent Plight always Secretary Ken Bates Treasurer Cal Sobczynskl present mounted Level V vouchers Cal Posthuma John Hoover John Cal 38th 38th attain top level 39 have attained level John Cal congratulated Spoilers byAl-Tec Ace ThesearetwoseParate unitathatwere snapped togetherto form long spoilernice feature smooth action Note double actuating i LIONS BONN Ultimate Fun Fly Competition Model Ideal Sunday Flyer Excellent OS 65 PS ptIonally slow land ing speed le enough 1st AIleron model easily framed less U hrs. balsa raft plywood construction ed full sise plans EngIne45 61 Wingspan62 Length OA54 WIng Area850 sq Weight Sf 6 Lbs Wing LoadIng15 17 ox Designed Uob Lame kit market sold satisfaction guarantee money back LIST PRICE 94 S 5995 Introductory prIce offor limIted time Prepald Continental USA Texas Residents Add 5% Sales Tax Sand Money Orders Cashiers Check Next Day Shipping Allow 2 Weeks personal checks clear Sorry no COD Curtis Model Aircraft 3002 M Canterbury Circle Sherman Texas 75090 AC 214-U936155 High-speed maneuvering can cause unsupported tubes distort interfere control Finish MonoKote recommended wood surfaces K&B paint fuselage Alternately other finishes could considered weight buildup should avoided F3B models tend relatively heavy adding unneces sary finish weight Installation flap aileron cables installed per plans servo arrangement will have close photographs Kraft KPS-24 servos used prototype because have high torque tight centering aileron flap servos in-line rudder stabilator servos across in-line servos mounted plywood tray make installation removal easier other servos rails Ball links used attach flap aileron linkage links snapped forefinger link easily unsnapped placing small flat-blade screwdriver underneath twisting Aileron differential adjusted take-off point servo wheel Flying Hand toss model few times check out control sensitivity Hook winch build up fairly large line tension before launching recom mended become familiar Europa before using flaps large degree very easy use too much flap actually decrease performance rather increase Europa can also successfully launched high-start word cau tion use heavy-duty high-start stretch minimum 12 pounds pull Europa light airplane Speed runs should first flown out ballast get feel ship Slowly add ballast find highest speed point Remember keep nose down turns avoid losing momen tum Split-S turns effective turns two practice altitude first Radio Technique/Myers Continued page 34 ations RC flying will become safer best results everything should parallel redundant transmitter batteries servos plane Well frIends readers weve covered lot ground column started ultra-simple receiver no larger thumbnail have progressed through discussion possible advan tages obtained grouping RC channels concepts safer RC system on-board sampling com puter multiple parallel redundancy doesnt exist yet Weve looked what what might tip hat John Preston have talked little philosophy hope youve enjoyed Keep writing George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Toledo/Pruss Continued page 38 already have set good track record Davey also manufactures Sport Winch Powrzoom Winch Hobby Lobby rare Sailplanes Germany Hobby Lobbys line will hard top Schulgleiter SG-38 kit masterpiece full choice woods de tailed fittings thatsells for$128 -scale has span 102 area 1627 sq m also carry Gnmau Baby Reiher all-fiberglass state-of-theart Speed Astir spans over 12 ft latter priced $680 Bob Martin showed another Two-Meter bird called Pussycat has simple straightforward construction very tractive linesdesigned both Thermal Slope Soaring MEN Model Engineering Nor walk Dwight Holley F3B World Champion 1981 Dwights basically all-wood model caused fiberglass school construction sit up take notice Dwights Gobbler avail able MEN did everything glass ships did except better has 114 July 1985 129 MISS AMERICA Wing Span 84 Inches Wing Chord 12 Inches $6995 Power 30 40 2 Cycle Engine 40 45 4 Cycle Engine Radio 3 Channels DELTA PRIDE 60 Wing Span 58 Inches Wing Chord 14 Inches Power 60 Engine Radio 4 Channels BUCKANEER Wing Span 84 Inches Wing Chord 14 Inches $6995 Power 40 4 Cycle Engine Radio 3 Channels ALL KITS INCLUDE Full size rolled plans Easy-to-follow instructions Machine cut sanded parts Necessary hardware tWPOLD TIMER 11ode/oiaf h#a1y Rt 1 Box 190 a MS 38754 Telephone 601 247-3578 span few F3B kits market still can compete best right hands has already proven great competitor Thermal Duration contests Midway Model Co Hand-launched RC Sailpianes stay number manufacturers getting act being indication its novelty Gnome 60-in-span bird comes fine kit should weigh 12 15 oz built Airfoil Eppler 205 Available Midway Model Co PO Box 9 Midway City CA 92655 Midwest has Lazy Bird Around over year still quite popular Con struction foam wood just right places beef up Features twometer-span model include one-piece bolton wing Its really pleasant departure standard construction Two models have become quite standard around flyingfields Carl Goldbergs Gentle Lady Top Flites Antares products two different companies both models have made marks themselves respec tive categories Gentle Lady Two-Meter class Antares 100-in class Graupuer Robbe two German manufacturers showed popular lines Both companies produce kits include degree prefabrication form ready-to-finish fuselages cov ered foam wings lot models semi-Scale kits complete hardware Hobby Lobby ofBrentwood TN Wilshire Hobbies Los Angeles distribute lines list manufacturers ran Z Z stood Zimbabwe Model Products country same name However company also oper ates out Oak Ridge TN specialty ready-to-fly models However pres ent feature powered planes plans mill pre-built Sailplanes present produce three Sailplane kits Nova 2000 Voyager 2000 Sunbird Wingspans respectively 80 80 110 above list skims surface items oould seen Toledo What ever interests modeling sure get stimulated modified over wacky weekends know went home Phantom Flash Cost $695 RC Aerobatics/Van Putte Continued page 41 wing twists off oscillation called flutter now saying So what Tell avoid flutter out giving sermon its causes Okay Ill problem lot possible solutions flutter no different have to change aerodynamic/mechanical com bination caused flutter first place However thing remem ber flutter always out lurk ing airplane goes fast enough will flutter way another What try make flutter speed higher airplane capable attaining building new airplane make sure aileron linkage strong rigid linkage higher flut ter speed Another way increase flutter speed make leading edge aileron larger wing trailing edge Sealing aileron gap will also delay onset flutter way effectively eliminate aileron flutter balancing ailerons center gravity aileron hinge line aileron will flutter trick getting aileron center gravity hinge line making unsightly mess job Since ailerons hinged front balancing aided making light possible Some modelers think heavy strong ailerons best avoiding flutter opposite true because aileron center gravity usually long distance hinge line Keep ailerons light nothing else works ailerons can balanced using technique illus trated sketch Pieces A6-in music wire can used small fishing weights /6-in wheel collars Balancing achieved aileron neither drops nor rises released neutral position best place install balancing device outboard part wing ailerons driven torque rod attached inboard end aileron center-driven ailerons balancing device either end satisfac tory outboard end often best prevent balancing device snag ging under airplane Give balancing ailerons tryit works Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32S48 RC Soaring/Pruss Continued page 43 featured February March issues magazine GB provides nice security recommended wher ever long cable extensions required Dave Burt out Peansylvania way comes schematic winch system includes couple not-to-be-overlooked safety features second solenoid wired series other should weld itself closed hap pens occasion other will shut down circuit prevent runaway winch other safety feature simply inexpensive pulsing buzzer sounds off whenever arming switch turned left course prevent 130 Model Aviation $5995

The 1985 Toledo ExposItIonbefore crowd got Powered RC balloon upper right corner teased crowd three days EDan Pru RC Sailplanes r Toledo Show Below Five Bridis line six inexpensive Salipianes quality buiitup construction kits Right Neat features Airtronics new line Module Transmitters RF unit removable battery Reason spare pack obvious no excuses now long summerafternoons little round thingy isa NiCd button cell provides power forthe clock 24hr stopwatch Nice extra touch what aireadys fine system TOLEDO Its called exposition host club Weak Signals its just exposition Its annual gathering modelers across US other parts modeling world Its gathering special interest groups having togetherness isnt experienced 36 Model Aviation other modeling get-together anywhere Its hard believe started 31 years ago kids growing up back modeling before commercial RC came onto scene Toledo also place takes back 31 years Among 200 listed exhibitors included collectors engines kits magazines plans just beg rem inisce back Forties earlier mere fondling Bantam 19 Left Dave Munson president Weight Stick Co shows now make Wooden nickels Reaiiy have make series lightening hoies Hoie Cutter must Above Dave Martin Hobby Lobby hoids components ready-to-fiy Speed Astirprice $680 Sherry Thomas makes sure hes got good hoid moat expensive Salipiane browsing l940 Air Trails Phantom Flash transfers back running fingers over simple lines early days available reproduction 1Oi Comet kit Toledobut 1940 prices July 1985 . gieiter SG-38 Krick very complete -scaie kit Troy piaced second Non-Mliitary Scaie modei supposed report RC Sailplane side Toledo things relating aspect sport Ill apologize up front favorite model gadget isnt covered put Left Prophet 941 Davey Systems Standard-ciass Salipiane guessed 941 wing areabig brother Two-Meter Prophet Beiow Think smaiil Servo Airtronics modei #94501 com pared dime idesi forthose very smali HL ships becoming popuiaror may mount fin T-tail Sailplane show perspective some statis tics show runs three days wasnt cubbyhole left late exhibitor missed sign-up deadline could open valise ran Al Doig writes RC Soaring col umn RC Modeler Sunday morning last 10000 sample maga zines handed out oneat-a-time shoulder-to-shoulder crowds three days its hard imagine guys gals able see exhibits talk com pany representatives Nonetheless two things certain its worthwhile event attend its fun counted no fewer 14 manufactur ers Sailplanes ranged most-affordable hand-launch variety Scale model Speed Astir price tag nearly $700 radio line latest Ace Airtronics Kraft Futaba JR MRC shown can have choice FM Pulse Code Modulation PCM units meet 1991 standards Thats operation 10 kHz spacing youre mixing functions especially F3B type machines new rigs Airtronics Futaba will mix just about everything bread dough highlights saw made rounds show SR Batteries noted specialized battery packs showed bolt-on-the-back 1200 mAh pack attaches transmitter no special tooling fuss ing pack also comes jumper connection runs transmitters battery lead Its really painless way get capacity long-duration ffights wont revolutionize model building ever have cut lightening hole sheet balsa Dave Munson brought Weight Stick back has made life easier Youll have no frayed chewed-out holes mismatch Hole Cutters come two diameters 34 1 Nice gadgets Glitch Buster item featured February March issues magazine Its available Jomar speak radio have nothing praise idea package quote instruction sheet Glitch Buster effective device available re duce radio interference caused long leads heavy-duty high-power servos combines three different types proven techniques small package 2 x 1 optical isolation signal lines separate battery power servo signal buffer similar Ace EMS glitch stops Bottom line youre running long servo leads just might want consider Glitch Buster airborne installation Al-Tee Spoilers Americanmade spoilers market double acting top bottom wing, separate unit can snap $t Model Aviation ped together longer spoiler Its great Highlights some other models manu idea available through Ace RC facturers include Throw Tantrum No no its ploy Alrtronlcs Adante Cumic distract timekeeper former multi-task Sailplane foam catchiest advertising lines show wings sheeting included fiberglass fuseTantrum Sailplanehand-launch va- lage complete hardware package riety Clever though cleverness doesnt Cumic conventional construc stop polyhedral wing tips fold tion also has fiberglass fuselage its under main panels held place designed Thermal Soaring servo-actuated pins top th BridL said cant afford RC toss/launch tweak up-elevator unfolds Soaring check Bridis line kits wings 21 normal 42-in six ranging hand-launch Tercel span Its kind like stunt Ken Olsen 100-in Windsurfer standard pulled now its Two-Meter bird type built-up construction Prices go now its 100-in span model Gordon $1995 $4995 Pearson LSF Tournament afew years Davey Systems Prophet Prophet back Tantrum available Off 941 Two-Meter Standard-class Sailthe Ground Models 606C W Anthony planes top-quality kits Dr Urbana IL 61801 Continued page 129 Lazy Bird Midwest Products Co all-Toam WITfl narawoog upur crutch Nice iines great filer wing piece bolt spanning two meters Very popular kit special Interest groups highlight League Silent Plight always Secretary Ken Bates Treasurer Cal Sobczynskl present mounted Level V vouchers Cal Posthuma John Hoover John Cal 38th 38th attain top level 39 have attained level John Cal congratulated Spoilers byAl-Tec Ace ThesearetwoseParate unitathatwere snapped togetherto form long spoilernice feature smooth action Note double actuating i LIONS BONN Ultimate Fun Fly Competition Model Ideal Sunday Flyer Excellent OS 65 PS ptIonally slow land ing speed le enough 1st AIleron model easily framed less U hrs. balsa raft plywood construction ed full sise plans EngIne45 61 Wingspan62 Length OA54 WIng Area850 sq Weight Sf 6 Lbs Wing LoadIng15 17 ox Designed Uob Lame kit market sold satisfaction guarantee money back LIST PRICE 94 S 5995 Introductory prIce offor limIted time Prepald Continental USA Texas Residents Add 5% Sales Tax Sand Money Orders Cashiers Check Next Day Shipping Allow 2 Weeks personal checks clear Sorry no COD Curtis Model Aircraft 3002 M Canterbury Circle Sherman Texas 75090 AC 214-U936155 High-speed maneuvering can cause unsupported tubes distort interfere control Finish MonoKote recommended wood surfaces K&B paint fuselage Alternately other finishes could considered weight buildup should avoided F3B models tend relatively heavy adding unneces sary finish weight Installation flap aileron cables installed per plans servo arrangement will have close photographs Kraft KPS-24 servos used prototype because have high torque tight centering aileron flap servos in-line rudder stabilator servos across in-line servos mounted plywood tray make installation removal easier other servos rails Ball links used attach flap aileron linkage links snapped forefinger link easily unsnapped placing small flat-blade screwdriver underneath twisting Aileron differential adjusted take-off point servo wheel Flying Hand toss model few times check out control sensitivity Hook winch build up fairly large line tension before launching recom mended become familiar Europa before using flaps large degree very easy use too much flap actually decrease performance rather increase Europa can also successfully launched high-start word cau tion use heavy-duty high-start stretch minimum 12 pounds pull Europa light airplane Speed runs should first flown out ballast get feel ship Slowly add ballast find highest speed point Remember keep nose down turns avoid losing momen tum Split-S turns effective turns two practice altitude first Radio Technique/Myers Continued page 34 ations RC flying will become safer best results everything should parallel redundant transmitter batteries servos plane Well frIends readers weve covered lot ground column started ultra-simple receiver no larger thumbnail have progressed through discussion possible advan tages obtained grouping RC channels concepts safer RC system on-board sampling com puter multiple parallel redundancy doesnt exist yet Weve looked what what might tip hat John Preston have talked little philosophy hope youve enjoyed Keep writing George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Toledo/Pruss Continued page 38 already have set good track record Davey also manufactures Sport Winch Powrzoom Winch Hobby Lobby rare Sailplanes Germany Hobby Lobbys line will hard top Schulgleiter SG-38 kit masterpiece full choice woods de tailed fittings thatsells for$128 -scale has span 102 area 1627 sq m also carry Gnmau Baby Reiher all-fiberglass state-of-theart Speed Astir spans over 12 ft latter priced $680 Bob Martin showed another Two-Meter bird called Pussycat has simple straightforward construction very tractive linesdesigned both Thermal Slope Soaring MEN Model Engineering Nor walk Dwight Holley F3B World Champion 1981 Dwights basically all-wood model caused fiberglass school construction sit up take notice Dwights Gobbler avail able MEN did everything glass ships did except better has 114 July 1985 129 MISS AMERICA Wing Span 84 Inches Wing Chord 12 Inches $6995 Power 30 40 2 Cycle Engine 40 45 4 Cycle Engine Radio 3 Channels DELTA PRIDE 60 Wing Span 58 Inches Wing Chord 14 Inches Power 60 Engine Radio 4 Channels BUCKANEER Wing Span 84 Inches Wing Chord 14 Inches $6995 Power 40 4 Cycle Engine Radio 3 Channels ALL KITS INCLUDE Full size rolled plans Easy-to-follow instructions Machine cut sanded parts Necessary hardware tWPOLD TIMER 11ode/oiaf h#a1y Rt 1 Box 190 a MS 38754 Telephone 601 247-3578 span few F3B kits market still can compete best right hands has already proven great competitor Thermal Duration contests Midway Model Co Hand-launched RC Sailpianes stay number manufacturers getting act being indication its novelty Gnome 60-in-span bird comes fine kit should weigh 12 15 oz built Airfoil Eppler 205 Available Midway Model Co PO Box 9 Midway City CA 92655 Midwest has Lazy Bird Around over year still quite popular Con struction foam wood just right places beef up Features twometer-span model include one-piece bolton wing Its really pleasant departure standard construction Two models have become quite standard around flyingfields Carl Goldbergs Gentle Lady Top Flites Antares products two different companies both models have made marks themselves respec tive categories Gentle Lady Two-Meter class Antares 100-in class Graupuer Robbe two German manufacturers showed popular lines Both companies produce kits include degree prefabrication form ready-to-finish fuselages cov ered foam wings lot models semi-Scale kits complete hardware Hobby Lobby ofBrentwood TN Wilshire Hobbies Los Angeles distribute lines list manufacturers ran Z Z stood Zimbabwe Model Products country same name However company also oper ates out Oak Ridge TN specialty ready-to-fly models However pres ent feature powered planes plans mill pre-built Sailplanes present produce three Sailplane kits Nova 2000 Voyager 2000 Sunbird Wingspans respectively 80 80 110 above list skims surface items oould seen Toledo What ever interests modeling sure get stimulated modified over wacky weekends know went home Phantom Flash Cost $695 RC Aerobatics/Van Putte Continued page 41 wing twists off oscillation called flutter now saying So what Tell avoid flutter out giving sermon its causes Okay Ill problem lot possible solutions flutter no different have to change aerodynamic/mechanical com bination caused flutter first place However thing remem ber flutter always out lurk ing airplane goes fast enough will flutter way another What try make flutter speed higher airplane capable attaining building new airplane make sure aileron linkage strong rigid linkage higher flut ter speed Another way increase flutter speed make leading edge aileron larger wing trailing edge Sealing aileron gap will also delay onset flutter way effectively eliminate aileron flutter balancing ailerons center gravity aileron hinge line aileron will flutter trick getting aileron center gravity hinge line making unsightly mess job Since ailerons hinged front balancing aided making light possible Some modelers think heavy strong ailerons best avoiding flutter opposite true because aileron center gravity usually long distance hinge line Keep ailerons light nothing else works ailerons can balanced using technique illus trated sketch Pieces A6-in music wire can used small fishing weights /6-in wheel collars Balancing achieved aileron neither drops nor rises released neutral position best place install balancing device outboard part wing ailerons driven torque rod attached inboard end aileron center-driven ailerons balancing device either end satisfac tory outboard end often best prevent balancing device snag ging under airplane Give balancing ailerons tryit works Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32S48 RC Soaring/Pruss Continued page 43 featured February March issues magazine GB provides nice security recommended wher ever long cable extensions required Dave Burt out Peansylvania way comes schematic winch system includes couple not-to-be-overlooked safety features second solenoid wired series other should weld itself closed hap pens occasion other will shut down circuit prevent runaway winch other safety feature simply inexpensive pulsing buzzer sounds off whenever arming switch turned left course prevent 130 Model Aviation $5995