ELECTRIC Connection service Word Electric club forming Fairfield County area Connecticut comes Al Yeagle 84 Goldenrod Ave Bridgeport CT 06606 Ive met Al several Pennsylvania meets during last two years flew original 15powered designs see October 1989 Model Aviation Call Al 1-203/371-5613 formation about whats happening Electrically area Alternatively can write Ed Bassick 70 Limerick Rd Fairfield CT 06430 call him 1-203/259-2855 Heres wishing new club same success SEFLI group story covered previous column Tell em Bob sent ya January 1991 MA just hitting streets write column already Ive received several responses readers personal note months column cant help moved thoughtfulness kindness showed taking time write particular note letter CL flier has no Elec tric interest happens read MA columns Another first-time reader few people have also telephoned sympa thy have say modeling hobby people truly amazing wish thank support trying circum stance Industry items note Bob Boucher Astro phone calls mentioned above arming switch charge jack mounted side Electric Seniorita shown mating plug charger jack plug Astro part numbers 4030 4029 $250 eachthe authors pre ferred way charge wiring details coming up future RC Electrics columns ATC auto fuse Arming switch Radio Shack 275 1546 DPDT DuBro 9reen 20-22gauge 0 speaker wire teryStrip wires tin positivestrands tin switch Redtermnals Lay tinned wire motorends aainst terminals toand ref ow solder controller negativeBlack - ~ motor Strip 1/2 foinput wire nut Use wire nut 3rd color Sermos connector mating battery wire Diagram typical wiring harness model electric systems Note fusea must Installed Immediately after battery case positive lead DPDT double pole double throw arming switch actually pair switches activated single switch lever another safety essential switch terminals wired together shown double current-carrying capacity switch set contacts right used tie negative leads together contacts dont actually switch anything See text February 1991 Radio Control Electrics column additional dIscussion Heres actual wiring harness Bobs Senior Skyvolt shown diagram Ser mos connectors link up speed con trol input unused fuse connection re ceives mating connector battery positive lead bare wire end gets wirenutted battery negative lead charge jack mounts fuselage side Bill Passarelli Williston Park NY took home fully equipped Astro Porterfield 1990 KRC Electric Fly four built test flown KRC members given away years raffle Close-up Radio Shack DPDT arming switch connections described text Six ter minals three switch wired parallel though four active Make sure no stray wire strands sol der balls get between terminals David Eltringham West Chester PA put convincing Hell display yet 90 KRC meet Kalt Whisper Mabu chi 540BS motor runs 96-volt 1100mAh battery pack Craft has microgyro ser vos speed control collective cyclic pitch optional autorotatlon capabIlity ASTRO 4029 rear view See MA Feb 91 additional discussion Sermos connectors recommended 50 Model Aviation Radio Conoi Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 ABSTRACT THIS MONTHS TOPICS 1 Electric Connection Setvice 2 Reader reaction January 1991 column 3 Notes industry 4 Electric installations Part Three tells Astro has new cobalt called Whisper intended replacement/upgrade motor comes Kalt Whisper electric-powered RC Helicopter kit Based successful Astro 035 cobalt motor adds customtailored magnetic makeup magnets housing steel special windingall fine-tuned particular installation As Astro co baIts has replaceable brushes Fixed re placeable brushes Achilles heel lower cost throwaway can motors supplied Whisper other kits can now buy Astro Whisper cobalt motor retrofit Elec tric Whisper Helicopter tell everyone have Whispered Whisper photos shows David Eltringham Electric Whisper 1990 KRC Electric Fly David put truly great demo meet get impression flying machine ing well received modeldomno doubt cause flies well Bob also tells Astro has developed new brush variation dramatically lowers brush heat equally dramatically extends brush lifeby factor seven eight times same time commutator wear greatly reduced As understand brush improvement will incorporated Astro motors consider product breakthrough havent tried yet Id like congratulate Bob accomplishment information Bob passed along its opinion Astro innovation could reduce radio brush noise side benefit Experience will tell case understand what done brushes concept works its simple Since also got distinct impression Bob considers idea proprietary Ill exit right CS Flight Systems expanding its already enormous product line company now car ries Leisure products including fine Elec tric goodies Roland Boucher has offer can get what think the biggest n best Electric catalog anywhere $4 CS Flight Systems 31 Perry St Middleboro MA 02346 Idealair Models headed up Phil Alvirez features supplies smaller size Electrics Among much else includes extremely light iron-on covering material called Litespan Litespan comes several colors has dull shiny side give choice finish Its Idealair products should interest Electric modelers also fly FF Duration Rubber Scale Old-Timers etc Contact Idealair Models Box 4485 De troit MI 48244-0853 telephone 1-519/974Why Fuel Around Anything Smaller new 32-ounce super-capacity fuel tank #395 biggest can get Sullivan major manufacturer can get Dont wony making plenty em So can sure enjoy longer exhilarating flights ever before fewer stops refueling new BT-32 equipped vent bubble can always get full 32 ounces fuel tank Its versatile too complete kit includes both glow fuel goline tubing stoppers also comes standard Sullivan hardware easy instJation maintenance tank equipped forward extensions protect valuable tubing Ofcourse something smaller mind Sullivan offers 48 others choose So no matter what youre looking fuel tank thats jJ~jj pretty good reason take off P PRODUCTS dealers store right nowP0 Box 5166 BaltimoreMD 21224 Getting Better Ideas Off Ground 8790 Canada write Box 101 Old Castle Ontario Canada NOR iLO Tell Phil Bob sent ya Modern Electric system installation continues month third installment mini series See October 1990 February 1991 Electric columns first two parts con tinuing topic offers how-to modelers inter ested customizing Electric installations Last months column included photo showing stuff makes up electric installation Senior Skyvolt Specifically means three items found Electric installations motor battery everything else fits between might want refer photo read what follows Parts Two discussed installation gener alities month well look specifically how-to details diagram photos illustrate some wiring specifics wiring shown typical Electrics use var iations time time basics remain same Later well look some variations give broader base how-to examples isnt first time Ive said it bears repeating Notice diagram wiring very first component after battery fuse always fuse installationsright after battery have established personal standard fusing positive lead fusing negative works equally well main point use fuse locate immediately follow ing battery either lead assures greatest protection possible Ive seen some store-bought systems wiring harness included fuse right mo Continued page 164 March 1991 51 Keith Shaw poses 66-in-span 630sq-in Messerschmitt acrobatic design full-scale plane won European champion shIps 35 36 An Astro geared 25 mo tar 14 1800 SCRs easily pulis 5 -lb all-up weight wing slightly off-scale modified airfoil Keith models legendary regulars KRC meets DONT CLOWN AROUND Learn Fly Pattern with4 Lanier RCs JESTER ARF THATS CAPABLE OF ALL AEROBATIC MANEUVERS Fuselage Length 45 Rec Engine Size 45-60 4 Stroke 80-90 Flying Weight 6 lbs Send SASE free color catalog Laniet RC PO Box 458 Oakwood GA 30566 Phone 404-532-6401 900 530 EST M-F fle servo will open throttle completely will stop engine throffle closed full low-throttle trim Removing re placing fuel line carburetor re fueling difficult cowling place pair eyebrow tweezers look like small skinny pliers will make easy Being natural coward used test pi lot Jim Todd first flights no real problems BT tracked straight arrow takeoff required bit right rudder trim fly hands-off long liked half throttle gentle stable trainer adding power made really move out slowed down final approach model steady rock tracking straight ahead make wheel landings breeze Jim agreed BT also displayed exception ally good ground handling characteristics especially tail-dragger Build Im sure youll agree E SAFE FLYING IS NO ACCIDENT Wing Span 63 Area 630 sq Radio Channels 4 FAX 404-532-2 1 63 RC Electrics/Kopski Continued page 51 tor good example less best opinion cause protects motor leaves system wiring unprotected course thats lot better wiring Ive seen no fuse simple guideline locate much system after fuse possible analo gous residential electrification power lines residence fault-protected right electric service entrance effect en tire household wired after main fuses An updated photo sequence showing install fuse will appear future column mean time please see March 1988 issue Model Aviation arming switch second importance fuse always install arming switch right after fuse its electrically located positive power linealthough again can just correctly installed negative line Indeed fuse arming switch can separate lines arming switch does turn motor Rather name implies its switch BALSA COLOR MICROFILL r SE MIOR LOOKS LIKE BALSA SANDS LIKE BALSA CARVES LIKE BALSA SUPER LIGHT WEIGHT IDEAL FOR USE WITh TRANSPARENT COVERINGS FORMULATED SPECIFICALLY FOR THE MODEL INDUSTRY BY NHP Best Less Still $450 Also available popular Northeast Hcty Produds Inc Grariftevile Rd matord MA oia~ 508251-4576 allows motor turned some other means latter could servo-driven on/off switch radio-controlled electronic on/off switch electronic motor speed control arming switch system ready state its off motor cant turned prevents accidental uninten tional turn-on understand importance arming switch preventing accidental turn-on imagine motor didnt have Youre ready fly turn transmitter receiver usual just before takeoff Suppose same time throttle control stick transmitter somewhat advancedbut dont realize some control schemes would mean motor could come onwith gusto just turn receiver hands arms maybe some clothing happened way propeller theyd find prop pretty unforgiving need further convincing take look personal photo page 14 July 1990 MA Folks please use arming switchand make sure its turned off until youre ready take off arming switch rules arming switch last thing turned before launch arming switch first thing turned off after landing easiest safest course arming switch located some safe easy-toreach surface model spinning prop cant bite Most models use Radio Shack cata log #275-1546 double-pole double-throw DPDT miniature toggle switch arming switch Double pole DP means switch contains two separate electrical switches acti vated same switch lever Double throw DT means switches close different contact two possible switch lever positions also known On/On switch two independent switches DPDT device internal moving switch contact closes fixed contact lever direction Flipping lever toggle other way causes internal moving contact open first fixed contact close anFKITES FREE COLOR CATALOG Choose over 100 cxc 5 ng k tes 0 Many unusual & Innovat ye des gns Call write catalog todayl Into Wind j 449-5356 1408-MA Pearl St Boulder CO 80302 L m 64 Model Aviation WWII AIRCRAFT SCALE DRAWINGS & SPECIFICATION SHEETS Over 1200 Scele 2 VowFor Cotelog DewogeRANGER FIBERGLASS RANGER FIBERGLASS CO hoe hoe, Box 879 Opecillziog io oootoo des/go ood eoldiogCamptoee NH ro oeroopeoo iodosty oioce 195903223 THE WIREMASTER TM bender/coiler 4 different models wire bending tools offer Also available Alloy Stainless Aluminum Metric hardware Checkyourdealer first un available send business size SASE free catalog JOM COMPANY 114 Washington Terr Dept Waukegan IL 60085 IPRICE KIT FEATURES * FLEXI-GLASS FUSE * MACHINE CUT WINGS * MACHINE CUT STABS A ALL BUMPS & BLISTERS * 5 VIEWS & PLANS * CLEAR INSTRUCTIONS * GENEROUS HARDWARE PKG A CARBON FIBRE SPARS A ALL VACUFORMED PARTS * CLEAR CANOPY * RETRACT LOCATION SHOWI ACCESSOR ES AVA LABLE * STATIC & FLYING SPINNER /PROPS * FULL COCKPIT KIT A BOMBS TANKS PILOT * RETRACTS & STRUTS XADE IN THE USA ODEL BUILT BY HI-TEC MODELS BOB MELE TO ORDER 3END HECl OH MONEY ORDER TO Freecockpltkltw/eachorder$3OVaIUO INNOVATIVE MODEL PRODUCTS INC PO MARGATE FL 33063 OR CALL 8007803190 MODEL SPECIFICATIONS SPANV6 251NMASTER CARD & VISA ACCECPTED IWEIGHT 15LBS ENGINE 108 2CY 120 4CYADD $2000 SHIPPING AND HANDLING other fixed contact instead two inde pendent switches has three terminalsone moving contact two fixed contacts Thus DPDT switch has six termi nals altogether wire three sets two corresponding sol der terminals both switch halves parallel effectively double current-carrying capability switch efficient effective easy low cost also requires little space adds just little weight six switch terminals used stallation shown course four terminals two switch needed arm/disarm power system remaining two ac tively used serve wiring convenience function simple tie points several sys tem wires must connected correct wires must go correct place switch Thats tricky part little care combined additional info below thats needed get everything right As shown middle six pairs paral leled switch terminals goes next component system installation particular wir ing scheme middle terminals can thought switch output terminals since theyre connected moving contacts paralleled pair fixed terminals used switch input terminal summarize system wiring scheme far has positive battery output fuse input fuse output becomes arming switch input arming switch output re lays positive power next system compo nentin case speed control servodriven power control switch arming switch output would go connection switch stead inactive tie points switch used safely conveniently connect negative polarity system wiresie negative bat tery terminal negative power input speed control other motor controller system charge jack Now additional info mentioned earlier toggle switch illustrated typical majority market youll find others switch terminals have different func tional orientation housing Ive seen some example moving contact terminals end terminal grouping rather middle Its important know contacts whicha mistake can have significant conse quences addition some switches use different lever directions illustrated switch shown closed contacts lie opposite direc tion lever pointing want lever certain position say up switch youll need know lever di rection particular switch Different modelers prefer different lever-switch positions Some like have switch lever PLANS NOW AVAILABLE Easy-tobuild WORLD WAR SPAD RED BARON Pedal Planes little pilot age 3 6 will love due unique evating toy pointed up switch others prefer pointed forward Most switches thrown back opposite direction flight turned rationale event mishap read crash impact will likely throw lever forward offa small safety feature Finally sure busy wiring switch terminals neat clean no loose wire strands solder blobs could contact something shouldnt Yes connecting wires six little solder terminals can seem like three-handed operation times doableespecially some convenient holding clamping devices position hold thing during soldering Its worth effort cause approach makes simple neat wiring installation Next months continuation will include system wiring discussion how-to detail meantime happy quiet safe landings everyoneD RC Slope Soaring/Triebes Continued page 57 24-page photo-illustrated instruction book very detailed has building hints helpful example shows sheet foam cores using Sig Core-bond 3M Spray Adhesive includes helpful hints sheeting wings Continued page 166 Plans $1495 US & Canada Specify plans desired FL Rev add 6% tax Add $300 P ft 14 FANTASY TOYS 7958 Pines Blvd Suite 188 Pembroke Pines FL 33024 13051432-5196 March 1991 165 rNcivAJr V7E MXJDFL ~QTJcZI F F T THE KORTI-1 l1ERICiN larn prneter mate airfoil plelter inth FOILED AGAIN! 2ZZ PLOT AIRFOILS IN ANY CHORD UP TO 24 INCHES MODIFY THICKNESS CAMBER & TRMLING EDGE PLOT 5KiN THICKNESS FOR SHEErED WINGS ENTER DATA EASILY VIA INTELLiGENV EDITOR USER-FRIENDLY MENU-DRWEN OPERATION INCLUDES 18-PAGE tLLUSTRATED USER MANUAL $4500 Ov05 v.e 5000 /LZZ ___ nnna50 vans nra, vvssa 4~-n eMpcnnyuv nnnp05Vt~o vnmpnr coo maSh 5005 Gin nnmpU, C pvflr 50 meno~ 50015 *pnOy sr n ar Sink vend cvvv yr nOv50 00 tO CYGNET Software714 496-6961 24843 Del Prado #I41 Dana Point CA 92629 Plans complete fullsize patterns material list step-bystep instructjons color photographs Conetruttion materIals tWood wheels hardware atcI available lumber end hardware outlete Some parte available ready-made desired List included plans
Edition: Model Aviation - 1991/03
Page Numbers: 50, 51, 164, 165
ELECTRIC Connection service Word Electric club forming Fairfield County area Connecticut comes Al Yeagle 84 Goldenrod Ave Bridgeport CT 06606 Ive met Al several Pennsylvania meets during last two years flew original 15powered designs see October 1989 Model Aviation Call Al 1-203/371-5613 formation about whats happening Electrically area Alternatively can write Ed Bassick 70 Limerick Rd Fairfield CT 06430 call him 1-203/259-2855 Heres wishing new club same success SEFLI group story covered previous column Tell em Bob sent ya January 1991 MA just hitting streets write column already Ive received several responses readers personal note months column cant help moved thoughtfulness kindness showed taking time write particular note letter CL flier has no Elec tric interest happens read MA columns Another first-time reader few people have also telephoned sympa thy have say modeling hobby people truly amazing wish thank support trying circum stance Industry items note Bob Boucher Astro phone calls mentioned above arming switch charge jack mounted side Electric Seniorita shown mating plug charger jack plug Astro part numbers 4030 4029 $250 eachthe authors pre ferred way charge wiring details coming up future RC Electrics columns ATC auto fuse Arming switch Radio Shack 275 1546 DPDT DuBro 9reen 20-22gauge 0 speaker wire teryStrip wires tin positivestrands tin switch Redtermnals Lay tinned wire motorends aainst terminals toand ref ow solder controller negativeBlack - ~ motor Strip 1/2 foinput wire nut Use wire nut 3rd color Sermos connector mating battery wire Diagram typical wiring harness model electric systems Note fusea must Installed Immediately after battery case positive lead DPDT double pole double throw arming switch actually pair switches activated single switch lever another safety essential switch terminals wired together shown double current-carrying capacity switch set contacts right used tie negative leads together contacts dont actually switch anything See text February 1991 Radio Control Electrics column additional dIscussion Heres actual wiring harness Bobs Senior Skyvolt shown diagram Ser mos connectors link up speed con trol input unused fuse connection re ceives mating connector battery positive lead bare wire end gets wirenutted battery negative lead charge jack mounts fuselage side Bill Passarelli Williston Park NY took home fully equipped Astro Porterfield 1990 KRC Electric Fly four built test flown KRC members given away years raffle Close-up Radio Shack DPDT arming switch connections described text Six ter minals three switch wired parallel though four active Make sure no stray wire strands sol der balls get between terminals David Eltringham West Chester PA put convincing Hell display yet 90 KRC meet Kalt Whisper Mabu chi 540BS motor runs 96-volt 1100mAh battery pack Craft has microgyro ser vos speed control collective cyclic pitch optional autorotatlon capabIlity ASTRO 4029 rear view See MA Feb 91 additional discussion Sermos connectors recommended 50 Model Aviation Radio Conoi Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 ABSTRACT THIS MONTHS TOPICS 1 Electric Connection Setvice 2 Reader reaction January 1991 column 3 Notes industry 4 Electric installations Part Three tells Astro has new cobalt called Whisper intended replacement/upgrade motor comes Kalt Whisper electric-powered RC Helicopter kit Based successful Astro 035 cobalt motor adds customtailored magnetic makeup magnets housing steel special windingall fine-tuned particular installation As Astro co baIts has replaceable brushes Fixed re placeable brushes Achilles heel lower cost throwaway can motors supplied Whisper other kits can now buy Astro Whisper cobalt motor retrofit Elec tric Whisper Helicopter tell everyone have Whispered Whisper photos shows David Eltringham Electric Whisper 1990 KRC Electric Fly David put truly great demo meet get impression flying machine ing well received modeldomno doubt cause flies well Bob also tells Astro has developed new brush variation dramatically lowers brush heat equally dramatically extends brush lifeby factor seven eight times same time commutator wear greatly reduced As understand brush improvement will incorporated Astro motors consider product breakthrough havent tried yet Id like congratulate Bob accomplishment information Bob passed along its opinion Astro innovation could reduce radio brush noise side benefit Experience will tell case understand what done brushes concept works its simple Since also got distinct impression Bob considers idea proprietary Ill exit right CS Flight Systems expanding its already enormous product line company now car ries Leisure products including fine Elec tric goodies Roland Boucher has offer can get what think the biggest n best Electric catalog anywhere $4 CS Flight Systems 31 Perry St Middleboro MA 02346 Idealair Models headed up Phil Alvirez features supplies smaller size Electrics Among much else includes extremely light iron-on covering material called Litespan Litespan comes several colors has dull shiny side give choice finish Its Idealair products should interest Electric modelers also fly FF Duration Rubber Scale Old-Timers etc Contact Idealair Models Box 4485 De troit MI 48244-0853 telephone 1-519/974Why Fuel Around Anything Smaller new 32-ounce super-capacity fuel tank #395 biggest can get Sullivan major manufacturer can get Dont wony making plenty em So can sure enjoy longer exhilarating flights ever before fewer stops refueling new BT-32 equipped vent bubble can always get full 32 ounces fuel tank Its versatile too complete kit includes both glow fuel goline tubing stoppers also comes standard Sullivan hardware easy instJation maintenance tank equipped forward extensions protect valuable tubing Ofcourse something smaller mind Sullivan offers 48 others choose So no matter what youre looking fuel tank thats jJ~jj pretty good reason take off P PRODUCTS dealers store right nowP0 Box 5166 BaltimoreMD 21224 Getting Better Ideas Off Ground 8790 Canada write Box 101 Old Castle Ontario Canada NOR iLO Tell Phil Bob sent ya Modern Electric system installation continues month third installment mini series See October 1990 February 1991 Electric columns first two parts con tinuing topic offers how-to modelers inter ested customizing Electric installations Last months column included photo showing stuff makes up electric installation Senior Skyvolt Specifically means three items found Electric installations motor battery everything else fits between might want refer photo read what follows Parts Two discussed installation gener alities month well look specifically how-to details diagram photos illustrate some wiring specifics wiring shown typical Electrics use var iations time time basics remain same Later well look some variations give broader base how-to examples isnt first time Ive said it bears repeating Notice diagram wiring very first component after battery fuse always fuse installationsright after battery have established personal standard fusing positive lead fusing negative works equally well main point use fuse locate immediately follow ing battery either lead assures greatest protection possible Ive seen some store-bought systems wiring harness included fuse right mo Continued page 164 March 1991 51 Keith Shaw poses 66-in-span 630sq-in Messerschmitt acrobatic design full-scale plane won European champion shIps 35 36 An Astro geared 25 mo tar 14 1800 SCRs easily pulis 5 -lb all-up weight wing slightly off-scale modified airfoil Keith models legendary regulars KRC meets DONT CLOWN AROUND Learn Fly Pattern with4 Lanier RCs JESTER ARF THATS CAPABLE OF ALL AEROBATIC MANEUVERS Fuselage Length 45 Rec Engine Size 45-60 4 Stroke 80-90 Flying Weight 6 lbs Send SASE free color catalog Laniet RC PO Box 458 Oakwood GA 30566 Phone 404-532-6401 900 530 EST M-F fle servo will open throttle completely will stop engine throffle closed full low-throttle trim Removing re placing fuel line carburetor re fueling difficult cowling place pair eyebrow tweezers look like small skinny pliers will make easy Being natural coward used test pi lot Jim Todd first flights no real problems BT tracked straight arrow takeoff required bit right rudder trim fly hands-off long liked half throttle gentle stable trainer adding power made really move out slowed down final approach model steady rock tracking straight ahead make wheel landings breeze Jim agreed BT also displayed exception ally good ground handling characteristics especially tail-dragger Build Im sure youll agree E SAFE FLYING IS NO ACCIDENT Wing Span 63 Area 630 sq Radio Channels 4 FAX 404-532-2 1 63 RC Electrics/Kopski Continued page 51 tor good example less best opinion cause protects motor leaves system wiring unprotected course thats lot better wiring Ive seen no fuse simple guideline locate much system after fuse possible analo gous residential electrification power lines residence fault-protected right electric service entrance effect en tire household wired after main fuses An updated photo sequence showing install fuse will appear future column mean time please see March 1988 issue Model Aviation arming switch second importance fuse always install arming switch right after fuse its electrically located positive power linealthough again can just correctly installed negative line Indeed fuse arming switch can separate lines arming switch does turn motor Rather name implies its switch BALSA COLOR MICROFILL r SE MIOR LOOKS LIKE BALSA SANDS LIKE BALSA CARVES LIKE BALSA SUPER LIGHT WEIGHT IDEAL FOR USE WITh TRANSPARENT COVERINGS FORMULATED SPECIFICALLY FOR THE MODEL INDUSTRY BY NHP Best Less Still $450 Also available popular Northeast Hcty Produds Inc Grariftevile Rd matord MA oia~ 508251-4576 allows motor turned some other means latter could servo-driven on/off switch radio-controlled electronic on/off switch electronic motor speed control arming switch system ready state its off motor cant turned prevents accidental uninten tional turn-on understand importance arming switch preventing accidental turn-on imagine motor didnt have Youre ready fly turn transmitter receiver usual just before takeoff Suppose same time throttle control stick transmitter somewhat advancedbut dont realize some control schemes would mean motor could come onwith gusto just turn receiver hands arms maybe some clothing happened way propeller theyd find prop pretty unforgiving need further convincing take look personal photo page 14 July 1990 MA Folks please use arming switchand make sure its turned off until youre ready take off arming switch rules arming switch last thing turned before launch arming switch first thing turned off after landing easiest safest course arming switch located some safe easy-toreach surface model spinning prop cant bite Most models use Radio Shack cata log #275-1546 double-pole double-throw DPDT miniature toggle switch arming switch Double pole DP means switch contains two separate electrical switches acti vated same switch lever Double throw DT means switches close different contact two possible switch lever positions also known On/On switch two independent switches DPDT device internal moving switch contact closes fixed contact lever direction Flipping lever toggle other way causes internal moving contact open first fixed contact close anFKITES FREE COLOR CATALOG Choose over 100 cxc 5 ng k tes 0 Many unusual & Innovat ye des gns Call write catalog todayl Into Wind j 449-5356 1408-MA Pearl St Boulder CO 80302 L m 64 Model Aviation WWII AIRCRAFT SCALE DRAWINGS & SPECIFICATION SHEETS Over 1200 Scele 2 VowFor Cotelog DewogeRANGER FIBERGLASS RANGER FIBERGLASS CO hoe hoe, Box 879 Opecillziog io oootoo des/go ood eoldiogCamptoee NH ro oeroopeoo iodosty oioce 195903223 THE WIREMASTER TM bender/coiler 4 different models wire bending tools offer Also available Alloy Stainless Aluminum Metric hardware Checkyourdealer first un available send business size SASE free catalog JOM COMPANY 114 Washington Terr Dept Waukegan IL 60085 IPRICE KIT FEATURES * FLEXI-GLASS FUSE * MACHINE CUT WINGS * MACHINE CUT STABS A ALL BUMPS & BLISTERS * 5 VIEWS & PLANS * CLEAR INSTRUCTIONS * GENEROUS HARDWARE PKG A CARBON FIBRE SPARS A ALL VACUFORMED PARTS * CLEAR CANOPY * RETRACT LOCATION SHOWI ACCESSOR ES AVA LABLE * STATIC & FLYING SPINNER /PROPS * FULL COCKPIT KIT A BOMBS TANKS PILOT * RETRACTS & STRUTS XADE IN THE USA ODEL BUILT BY HI-TEC MODELS BOB MELE TO ORDER 3END HECl OH MONEY ORDER TO Freecockpltkltw/eachorder$3OVaIUO INNOVATIVE MODEL PRODUCTS INC PO MARGATE FL 33063 OR CALL 8007803190 MODEL SPECIFICATIONS SPANV6 251NMASTER CARD & VISA ACCECPTED IWEIGHT 15LBS ENGINE 108 2CY 120 4CYADD $2000 SHIPPING AND HANDLING other fixed contact instead two inde pendent switches has three terminalsone moving contact two fixed contacts Thus DPDT switch has six termi nals altogether wire three sets two corresponding sol der terminals both switch halves parallel effectively double current-carrying capability switch efficient effective easy low cost also requires little space adds just little weight six switch terminals used stallation shown course four terminals two switch needed arm/disarm power system remaining two ac tively used serve wiring convenience function simple tie points several sys tem wires must connected correct wires must go correct place switch Thats tricky part little care combined additional info below thats needed get everything right As shown middle six pairs paral leled switch terminals goes next component system installation particular wir ing scheme middle terminals can thought switch output terminals since theyre connected moving contacts paralleled pair fixed terminals used switch input terminal summarize system wiring scheme far has positive battery output fuse input fuse output becomes arming switch input arming switch output re lays positive power next system compo nentin case speed control servodriven power control switch arming switch output would go connection switch stead inactive tie points switch used safely conveniently connect negative polarity system wiresie negative bat tery terminal negative power input speed control other motor controller system charge jack Now additional info mentioned earlier toggle switch illustrated typical majority market youll find others switch terminals have different func tional orientation housing Ive seen some example moving contact terminals end terminal grouping rather middle Its important know contacts whicha mistake can have significant conse quences addition some switches use different lever directions illustrated switch shown closed contacts lie opposite direc tion lever pointing want lever certain position say up switch youll need know lever di rection particular switch Different modelers prefer different lever-switch positions Some like have switch lever PLANS NOW AVAILABLE Easy-tobuild WORLD WAR SPAD RED BARON Pedal Planes little pilot age 3 6 will love due unique evating toy pointed up switch others prefer pointed forward Most switches thrown back opposite direction flight turned rationale event mishap read crash impact will likely throw lever forward offa small safety feature Finally sure busy wiring switch terminals neat clean no loose wire strands solder blobs could contact something shouldnt Yes connecting wires six little solder terminals can seem like three-handed operation times doableespecially some convenient holding clamping devices position hold thing during soldering Its worth effort cause approach makes simple neat wiring installation Next months continuation will include system wiring discussion how-to detail meantime happy quiet safe landings everyoneD RC Slope Soaring/Triebes Continued page 57 24-page photo-illustrated instruction book very detailed has building hints helpful example shows sheet foam cores using Sig Core-bond 3M Spray Adhesive includes helpful hints sheeting wings Continued page 166 Plans $1495 US & Canada Specify plans desired FL Rev add 6% tax Add $300 P ft 14 FANTASY TOYS 7958 Pines Blvd Suite 188 Pembroke Pines FL 33024 13051432-5196 March 1991 165 rNcivAJr V7E MXJDFL ~QTJcZI F F T THE KORTI-1 l1ERICiN larn prneter mate airfoil plelter inth FOILED AGAIN! 2ZZ PLOT AIRFOILS IN ANY CHORD UP TO 24 INCHES MODIFY THICKNESS CAMBER & TRMLING EDGE PLOT 5KiN THICKNESS FOR SHEErED WINGS ENTER DATA EASILY VIA INTELLiGENV EDITOR USER-FRIENDLY MENU-DRWEN OPERATION INCLUDES 18-PAGE tLLUSTRATED USER MANUAL $4500 Ov05 v.e 5000 /LZZ ___ nnna50 vans nra, vvssa 4~-n eMpcnnyuv nnnp05Vt~o vnmpnr coo maSh 5005 Gin nnmpU, C pvflr 50 meno~ 50015 *pnOy sr n ar Sink vend cvvv yr nOv50 00 tO CYGNET Software714 496-6961 24843 Del Prado #I41 Dana Point CA 92629 Plans complete fullsize patterns material list step-bystep instructjons color photographs Conetruttion materIals tWood wheels hardware atcI available lumber end hardware outlete Some parte available ready-made desired List included plans
Edition: Model Aviation - 1991/03
Page Numbers: 50, 51, 164, 165
ELECTRIC Connection service Word Electric club forming Fairfield County area Connecticut comes Al Yeagle 84 Goldenrod Ave Bridgeport CT 06606 Ive met Al several Pennsylvania meets during last two years flew original 15powered designs see October 1989 Model Aviation Call Al 1-203/371-5613 formation about whats happening Electrically area Alternatively can write Ed Bassick 70 Limerick Rd Fairfield CT 06430 call him 1-203/259-2855 Heres wishing new club same success SEFLI group story covered previous column Tell em Bob sent ya January 1991 MA just hitting streets write column already Ive received several responses readers personal note months column cant help moved thoughtfulness kindness showed taking time write particular note letter CL flier has no Elec tric interest happens read MA columns Another first-time reader few people have also telephoned sympa thy have say modeling hobby people truly amazing wish thank support trying circum stance Industry items note Bob Boucher Astro phone calls mentioned above arming switch charge jack mounted side Electric Seniorita shown mating plug charger jack plug Astro part numbers 4030 4029 $250 eachthe authors pre ferred way charge wiring details coming up future RC Electrics columns ATC auto fuse Arming switch Radio Shack 275 1546 DPDT DuBro 9reen 20-22gauge 0 speaker wire teryStrip wires tin positivestrands tin switch Redtermnals Lay tinned wire motorends aainst terminals toand ref ow solder controller negativeBlack - ~ motor Strip 1/2 foinput wire nut Use wire nut 3rd color Sermos connector mating battery wire Diagram typical wiring harness model electric systems Note fusea must Installed Immediately after battery case positive lead DPDT double pole double throw arming switch actually pair switches activated single switch lever another safety essential switch terminals wired together shown double current-carrying capacity switch set contacts right used tie negative leads together contacts dont actually switch anything See text February 1991 Radio Control Electrics column additional dIscussion Heres actual wiring harness Bobs Senior Skyvolt shown diagram Ser mos connectors link up speed con trol input unused fuse connection re ceives mating connector battery positive lead bare wire end gets wirenutted battery negative lead charge jack mounts fuselage side Bill Passarelli Williston Park NY took home fully equipped Astro Porterfield 1990 KRC Electric Fly four built test flown KRC members given away years raffle Close-up Radio Shack DPDT arming switch connections described text Six ter minals three switch wired parallel though four active Make sure no stray wire strands sol der balls get between terminals David Eltringham West Chester PA put convincing Hell display yet 90 KRC meet Kalt Whisper Mabu chi 540BS motor runs 96-volt 1100mAh battery pack Craft has microgyro ser vos speed control collective cyclic pitch optional autorotatlon capabIlity ASTRO 4029 rear view See MA Feb 91 additional discussion Sermos connectors recommended 50 Model Aviation Radio Conoi Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 ABSTRACT THIS MONTHS TOPICS 1 Electric Connection Setvice 2 Reader reaction January 1991 column 3 Notes industry 4 Electric installations Part Three tells Astro has new cobalt called Whisper intended replacement/upgrade motor comes Kalt Whisper electric-powered RC Helicopter kit Based successful Astro 035 cobalt motor adds customtailored magnetic makeup magnets housing steel special windingall fine-tuned particular installation As Astro co baIts has replaceable brushes Fixed re placeable brushes Achilles heel lower cost throwaway can motors supplied Whisper other kits can now buy Astro Whisper cobalt motor retrofit Elec tric Whisper Helicopter tell everyone have Whispered Whisper photos shows David Eltringham Electric Whisper 1990 KRC Electric Fly David put truly great demo meet get impression flying machine ing well received modeldomno doubt cause flies well Bob also tells Astro has developed new brush variation dramatically lowers brush heat equally dramatically extends brush lifeby factor seven eight times same time commutator wear greatly reduced As understand brush improvement will incorporated Astro motors consider product breakthrough havent tried yet Id like congratulate Bob accomplishment information Bob passed along its opinion Astro innovation could reduce radio brush noise side benefit Experience will tell case understand what done brushes concept works its simple Since also got distinct impression Bob considers idea proprietary Ill exit right CS Flight Systems expanding its already enormous product line company now car ries Leisure products including fine Elec tric goodies Roland Boucher has offer can get what think the biggest n best Electric catalog anywhere $4 CS Flight Systems 31 Perry St Middleboro MA 02346 Idealair Models headed up Phil Alvirez features supplies smaller size Electrics Among much else includes extremely light iron-on covering material called Litespan Litespan comes several colors has dull shiny side give choice finish Its Idealair products should interest Electric modelers also fly FF Duration Rubber Scale Old-Timers etc Contact Idealair Models Box 4485 De troit MI 48244-0853 telephone 1-519/974Why Fuel Around Anything Smaller new 32-ounce super-capacity fuel tank #395 biggest can get Sullivan major manufacturer can get Dont wony making plenty em So can sure enjoy longer exhilarating flights ever before fewer stops refueling new BT-32 equipped vent bubble can always get full 32 ounces fuel tank Its versatile too complete kit includes both glow fuel goline tubing stoppers also comes standard Sullivan hardware easy instJation maintenance tank equipped forward extensions protect valuable tubing Ofcourse something smaller mind Sullivan offers 48 others choose So no matter what youre looking fuel tank thats jJ~jj pretty good reason take off P PRODUCTS dealers store right nowP0 Box 5166 BaltimoreMD 21224 Getting Better Ideas Off Ground 8790 Canada write Box 101 Old Castle Ontario Canada NOR iLO Tell Phil Bob sent ya Modern Electric system installation continues month third installment mini series See October 1990 February 1991 Electric columns first two parts con tinuing topic offers how-to modelers inter ested customizing Electric installations Last months column included photo showing stuff makes up electric installation Senior Skyvolt Specifically means three items found Electric installations motor battery everything else fits between might want refer photo read what follows Parts Two discussed installation gener alities month well look specifically how-to details diagram photos illustrate some wiring specifics wiring shown typical Electrics use var iations time time basics remain same Later well look some variations give broader base how-to examples isnt first time Ive said it bears repeating Notice diagram wiring very first component after battery fuse always fuse installationsright after battery have established personal standard fusing positive lead fusing negative works equally well main point use fuse locate immediately follow ing battery either lead assures greatest protection possible Ive seen some store-bought systems wiring harness included fuse right mo Continued page 164 March 1991 51 Keith Shaw poses 66-in-span 630sq-in Messerschmitt acrobatic design full-scale plane won European champion shIps 35 36 An Astro geared 25 mo tar 14 1800 SCRs easily pulis 5 -lb all-up weight wing slightly off-scale modified airfoil Keith models legendary regulars KRC meets DONT CLOWN AROUND Learn Fly Pattern with4 Lanier RCs JESTER ARF THATS CAPABLE OF ALL AEROBATIC MANEUVERS Fuselage Length 45 Rec Engine Size 45-60 4 Stroke 80-90 Flying Weight 6 lbs Send SASE free color catalog Laniet RC PO Box 458 Oakwood GA 30566 Phone 404-532-6401 900 530 EST M-F fle servo will open throttle completely will stop engine throffle closed full low-throttle trim Removing re placing fuel line carburetor re fueling difficult cowling place pair eyebrow tweezers look like small skinny pliers will make easy Being natural coward used test pi lot Jim Todd first flights no real problems BT tracked straight arrow takeoff required bit right rudder trim fly hands-off long liked half throttle gentle stable trainer adding power made really move out slowed down final approach model steady rock tracking straight ahead make wheel landings breeze Jim agreed BT also displayed exception ally good ground handling characteristics especially tail-dragger Build Im sure youll agree E SAFE FLYING IS NO ACCIDENT Wing Span 63 Area 630 sq Radio Channels 4 FAX 404-532-2 1 63 RC Electrics/Kopski Continued page 51 tor good example less best opinion cause protects motor leaves system wiring unprotected course thats lot better wiring Ive seen no fuse simple guideline locate much system after fuse possible analo gous residential electrification power lines residence fault-protected right electric service entrance effect en tire household wired after main fuses An updated photo sequence showing install fuse will appear future column mean time please see March 1988 issue Model Aviation arming switch second importance fuse always install arming switch right after fuse its electrically located positive power linealthough again can just correctly installed negative line Indeed fuse arming switch can separate lines arming switch does turn motor Rather name implies its switch BALSA COLOR MICROFILL r SE MIOR LOOKS LIKE BALSA SANDS LIKE BALSA CARVES LIKE BALSA SUPER LIGHT WEIGHT IDEAL FOR USE WITh TRANSPARENT COVERINGS FORMULATED SPECIFICALLY FOR THE MODEL INDUSTRY BY NHP Best Less Still $450 Also available popular Northeast Hcty Produds Inc Grariftevile Rd matord MA oia~ 508251-4576 allows motor turned some other means latter could servo-driven on/off switch radio-controlled electronic on/off switch electronic motor speed control arming switch system ready state its off motor cant turned prevents accidental uninten tional turn-on understand importance arming switch preventing accidental turn-on imagine motor didnt have Youre ready fly turn transmitter receiver usual just before takeoff Suppose same time throttle control stick transmitter somewhat advancedbut dont realize some control schemes would mean motor could come onwith gusto just turn receiver hands arms maybe some clothing happened way propeller theyd find prop pretty unforgiving need further convincing take look personal photo page 14 July 1990 MA Folks please use arming switchand make sure its turned off until youre ready take off arming switch rules arming switch last thing turned before launch arming switch first thing turned off after landing easiest safest course arming switch located some safe easy-toreach surface model spinning prop cant bite Most models use Radio Shack cata log #275-1546 double-pole double-throw DPDT miniature toggle switch arming switch Double pole DP means switch contains two separate electrical switches acti vated same switch lever Double throw DT means switches close different contact two possible switch lever positions also known On/On switch two independent switches DPDT device internal moving switch contact closes fixed contact lever direction Flipping lever toggle other way causes internal moving contact open first fixed contact close anFKITES FREE COLOR CATALOG Choose over 100 cxc 5 ng k tes 0 Many unusual & Innovat ye des gns Call write catalog todayl Into Wind j 449-5356 1408-MA Pearl St Boulder CO 80302 L m 64 Model Aviation WWII AIRCRAFT SCALE DRAWINGS & SPECIFICATION SHEETS Over 1200 Scele 2 VowFor Cotelog DewogeRANGER FIBERGLASS RANGER FIBERGLASS CO hoe hoe, Box 879 Opecillziog io oootoo des/go ood eoldiogCamptoee NH ro oeroopeoo iodosty oioce 195903223 THE WIREMASTER TM bender/coiler 4 different models wire bending tools offer Also available Alloy Stainless Aluminum Metric hardware Checkyourdealer first un available send business size SASE free catalog JOM COMPANY 114 Washington Terr Dept Waukegan IL 60085 IPRICE KIT FEATURES * FLEXI-GLASS FUSE * MACHINE CUT WINGS * MACHINE CUT STABS A ALL BUMPS & BLISTERS * 5 VIEWS & PLANS * CLEAR INSTRUCTIONS * GENEROUS HARDWARE PKG A CARBON FIBRE SPARS A ALL VACUFORMED PARTS * CLEAR CANOPY * RETRACT LOCATION SHOWI ACCESSOR ES AVA LABLE * STATIC & FLYING SPINNER /PROPS * FULL COCKPIT KIT A BOMBS TANKS PILOT * RETRACTS & STRUTS XADE IN THE USA ODEL BUILT BY HI-TEC MODELS BOB MELE TO ORDER 3END HECl OH MONEY ORDER TO Freecockpltkltw/eachorder$3OVaIUO INNOVATIVE MODEL PRODUCTS INC PO MARGATE FL 33063 OR CALL 8007803190 MODEL SPECIFICATIONS SPANV6 251NMASTER CARD & VISA ACCECPTED IWEIGHT 15LBS ENGINE 108 2CY 120 4CYADD $2000 SHIPPING AND HANDLING other fixed contact instead two inde pendent switches has three terminalsone moving contact two fixed contacts Thus DPDT switch has six termi nals altogether wire three sets two corresponding sol der terminals both switch halves parallel effectively double current-carrying capability switch efficient effective easy low cost also requires little space adds just little weight six switch terminals used stallation shown course four terminals two switch needed arm/disarm power system remaining two ac tively used serve wiring convenience function simple tie points several sys tem wires must connected correct wires must go correct place switch Thats tricky part little care combined additional info below thats needed get everything right As shown middle six pairs paral leled switch terminals goes next component system installation particular wir ing scheme middle terminals can thought switch output terminals since theyre connected moving contacts paralleled pair fixed terminals used switch input terminal summarize system wiring scheme far has positive battery output fuse input fuse output becomes arming switch input arming switch output re lays positive power next system compo nentin case speed control servodriven power control switch arming switch output would go connection switch stead inactive tie points switch used safely conveniently connect negative polarity system wiresie negative bat tery terminal negative power input speed control other motor controller system charge jack Now additional info mentioned earlier toggle switch illustrated typical majority market youll find others switch terminals have different func tional orientation housing Ive seen some example moving contact terminals end terminal grouping rather middle Its important know contacts whicha mistake can have significant conse quences addition some switches use different lever directions illustrated switch shown closed contacts lie opposite direc tion lever pointing want lever certain position say up switch youll need know lever di rection particular switch Different modelers prefer different lever-switch positions Some like have switch lever PLANS NOW AVAILABLE Easy-tobuild WORLD WAR SPAD RED BARON Pedal Planes little pilot age 3 6 will love due unique evating toy pointed up switch others prefer pointed forward Most switches thrown back opposite direction flight turned rationale event mishap read crash impact will likely throw lever forward offa small safety feature Finally sure busy wiring switch terminals neat clean no loose wire strands solder blobs could contact something shouldnt Yes connecting wires six little solder terminals can seem like three-handed operation times doableespecially some convenient holding clamping devices position hold thing during soldering Its worth effort cause approach makes simple neat wiring installation Next months continuation will include system wiring discussion how-to detail meantime happy quiet safe landings everyoneD RC Slope Soaring/Triebes Continued page 57 24-page photo-illustrated instruction book very detailed has building hints helpful example shows sheet foam cores using Sig Core-bond 3M Spray Adhesive includes helpful hints sheeting wings Continued page 166 Plans $1495 US & Canada Specify plans desired FL Rev add 6% tax Add $300 P ft 14 FANTASY TOYS 7958 Pines Blvd Suite 188 Pembroke Pines FL 33024 13051432-5196 March 1991 165 rNcivAJr V7E MXJDFL ~QTJcZI F F T THE KORTI-1 l1ERICiN larn prneter mate airfoil plelter inth FOILED AGAIN! 2ZZ PLOT AIRFOILS IN ANY CHORD UP TO 24 INCHES MODIFY THICKNESS CAMBER & TRMLING EDGE PLOT 5KiN THICKNESS FOR SHEErED WINGS ENTER DATA EASILY VIA INTELLiGENV EDITOR USER-FRIENDLY MENU-DRWEN OPERATION INCLUDES 18-PAGE tLLUSTRATED USER MANUAL $4500 Ov05 v.e 5000 /LZZ ___ nnna50 vans nra, vvssa 4~-n eMpcnnyuv nnnp05Vt~o vnmpnr coo maSh 5005 Gin nnmpU, C pvflr 50 meno~ 50015 *pnOy sr n ar Sink vend cvvv yr nOv50 00 tO CYGNET Software714 496-6961 24843 Del Prado #I41 Dana Point CA 92629 Plans complete fullsize patterns material list step-bystep instructjons color photographs Conetruttion materIals tWood wheels hardware atcI available lumber end hardware outlete Some parte available ready-made desired List included plans
Edition: Model Aviation - 1991/03
Page Numbers: 50, 51, 164, 165
ELECTRIC Connection service Word Electric club forming Fairfield County area Connecticut comes Al Yeagle 84 Goldenrod Ave Bridgeport CT 06606 Ive met Al several Pennsylvania meets during last two years flew original 15powered designs see October 1989 Model Aviation Call Al 1-203/371-5613 formation about whats happening Electrically area Alternatively can write Ed Bassick 70 Limerick Rd Fairfield CT 06430 call him 1-203/259-2855 Heres wishing new club same success SEFLI group story covered previous column Tell em Bob sent ya January 1991 MA just hitting streets write column already Ive received several responses readers personal note months column cant help moved thoughtfulness kindness showed taking time write particular note letter CL flier has no Elec tric interest happens read MA columns Another first-time reader few people have also telephoned sympa thy have say modeling hobby people truly amazing wish thank support trying circum stance Industry items note Bob Boucher Astro phone calls mentioned above arming switch charge jack mounted side Electric Seniorita shown mating plug charger jack plug Astro part numbers 4030 4029 $250 eachthe authors pre ferred way charge wiring details coming up future RC Electrics columns ATC auto fuse Arming switch Radio Shack 275 1546 DPDT DuBro 9reen 20-22gauge 0 speaker wire teryStrip wires tin positivestrands tin switch Redtermnals Lay tinned wire motorends aainst terminals toand ref ow solder controller negativeBlack - ~ motor Strip 1/2 foinput wire nut Use wire nut 3rd color Sermos connector mating battery wire Diagram typical wiring harness model electric systems Note fusea must Installed Immediately after battery case positive lead DPDT double pole double throw arming switch actually pair switches activated single switch lever another safety essential switch terminals wired together shown double current-carrying capacity switch set contacts right used tie negative leads together contacts dont actually switch anything See text February 1991 Radio Control Electrics column additional dIscussion Heres actual wiring harness Bobs Senior Skyvolt shown diagram Ser mos connectors link up speed con trol input unused fuse connection re ceives mating connector battery positive lead bare wire end gets wirenutted battery negative lead charge jack mounts fuselage side Bill Passarelli Williston Park NY took home fully equipped Astro Porterfield 1990 KRC Electric Fly four built test flown KRC members given away years raffle Close-up Radio Shack DPDT arming switch connections described text Six ter minals three switch wired parallel though four active Make sure no stray wire strands sol der balls get between terminals David Eltringham West Chester PA put convincing Hell display yet 90 KRC meet Kalt Whisper Mabu chi 540BS motor runs 96-volt 1100mAh battery pack Craft has microgyro ser vos speed control collective cyclic pitch optional autorotatlon capabIlity ASTRO 4029 rear view See MA Feb 91 additional discussion Sermos connectors recommended 50 Model Aviation Radio Conoi Electrics Bob Kopski 25 West End Dr Lansdale PA 19446 ABSTRACT THIS MONTHS TOPICS 1 Electric Connection Setvice 2 Reader reaction January 1991 column 3 Notes industry 4 Electric installations Part Three tells Astro has new cobalt called Whisper intended replacement/upgrade motor comes Kalt Whisper electric-powered RC Helicopter kit Based successful Astro 035 cobalt motor adds customtailored magnetic makeup magnets housing steel special windingall fine-tuned particular installation As Astro co baIts has replaceable brushes Fixed re placeable brushes Achilles heel lower cost throwaway can motors supplied Whisper other kits can now buy Astro Whisper cobalt motor retrofit Elec tric Whisper Helicopter tell everyone have Whispered Whisper photos shows David Eltringham Electric Whisper 1990 KRC Electric Fly David put truly great demo meet get impression flying machine ing well received modeldomno doubt cause flies well Bob also tells Astro has developed new brush variation dramatically lowers brush heat equally dramatically extends brush lifeby factor seven eight times same time commutator wear greatly reduced As understand brush improvement will incorporated Astro motors consider product breakthrough havent tried yet Id like congratulate Bob accomplishment information Bob passed along its opinion Astro innovation could reduce radio brush noise side benefit Experience will tell case understand what done brushes concept works its simple Since also got distinct impression Bob considers idea proprietary Ill exit right CS Flight Systems expanding its already enormous product line company now car ries Leisure products including fine Elec tric goodies Roland Boucher has offer can get what think the biggest n best Electric catalog anywhere $4 CS Flight Systems 31 Perry St Middleboro MA 02346 Idealair Models headed up Phil Alvirez features supplies smaller size Electrics Among much else includes extremely light iron-on covering material called Litespan Litespan comes several colors has dull shiny side give choice finish Its Idealair products should interest Electric modelers also fly FF Duration Rubber Scale Old-Timers etc Contact Idealair Models Box 4485 De troit MI 48244-0853 telephone 1-519/974Why Fuel Around Anything Smaller new 32-ounce super-capacity fuel tank #395 biggest can get Sullivan major manufacturer can get Dont wony making plenty em So can sure enjoy longer exhilarating flights ever before fewer stops refueling new BT-32 equipped vent bubble can always get full 32 ounces fuel tank Its versatile too complete kit includes both glow fuel goline tubing stoppers also comes standard Sullivan hardware easy instJation maintenance tank equipped forward extensions protect valuable tubing Ofcourse something smaller mind Sullivan offers 48 others choose So no matter what youre looking fuel tank thats jJ~jj pretty good reason take off P PRODUCTS dealers store right nowP0 Box 5166 BaltimoreMD 21224 Getting Better Ideas Off Ground 8790 Canada write Box 101 Old Castle Ontario Canada NOR iLO Tell Phil Bob sent ya Modern Electric system installation continues month third installment mini series See October 1990 February 1991 Electric columns first two parts con tinuing topic offers how-to modelers inter ested customizing Electric installations Last months column included photo showing stuff makes up electric installation Senior Skyvolt Specifically means three items found Electric installations motor battery everything else fits between might want refer photo read what follows Parts Two discussed installation gener alities month well look specifically how-to details diagram photos illustrate some wiring specifics wiring shown typical Electrics use var iations time time basics remain same Later well look some variations give broader base how-to examples isnt first time Ive said it bears repeating Notice diagram wiring very first component after battery fuse always fuse installationsright after battery have established personal standard fusing positive lead fusing negative works equally well main point use fuse locate immediately follow ing battery either lead assures greatest protection possible Ive seen some store-bought systems wiring harness included fuse right mo Continued page 164 March 1991 51 Keith Shaw poses 66-in-span 630sq-in Messerschmitt acrobatic design full-scale plane won European champion shIps 35 36 An Astro geared 25 mo tar 14 1800 SCRs easily pulis 5 -lb all-up weight wing slightly off-scale modified airfoil Keith models legendary regulars KRC meets DONT CLOWN AROUND Learn Fly Pattern with4 Lanier RCs JESTER ARF THATS CAPABLE OF ALL AEROBATIC MANEUVERS Fuselage Length 45 Rec Engine Size 45-60 4 Stroke 80-90 Flying Weight 6 lbs Send SASE free color catalog Laniet RC PO Box 458 Oakwood GA 30566 Phone 404-532-6401 900 530 EST M-F fle servo will open throttle completely will stop engine throffle closed full low-throttle trim Removing re placing fuel line carburetor re fueling difficult cowling place pair eyebrow tweezers look like small skinny pliers will make easy Being natural coward used test pi lot Jim Todd first flights no real problems BT tracked straight arrow takeoff required bit right rudder trim fly hands-off long liked half throttle gentle stable trainer adding power made really move out slowed down final approach model steady rock tracking straight ahead make wheel landings breeze Jim agreed BT also displayed exception ally good ground handling characteristics especially tail-dragger Build Im sure youll agree E SAFE FLYING IS NO ACCIDENT Wing Span 63 Area 630 sq Radio Channels 4 FAX 404-532-2 1 63 RC Electrics/Kopski Continued page 51 tor good example less best opinion cause protects motor leaves system wiring unprotected course thats lot better wiring Ive seen no fuse simple guideline locate much system after fuse possible analo gous residential electrification power lines residence fault-protected right electric service entrance effect en tire household wired after main fuses An updated photo sequence showing install fuse will appear future column mean time please see March 1988 issue Model Aviation arming switch second importance fuse always install arming switch right after fuse its electrically located positive power linealthough again can just correctly installed negative line Indeed fuse arming switch can separate lines arming switch does turn motor Rather name implies its switch BALSA COLOR MICROFILL r SE MIOR LOOKS LIKE BALSA SANDS LIKE BALSA CARVES LIKE BALSA SUPER LIGHT WEIGHT IDEAL FOR USE WITh TRANSPARENT COVERINGS FORMULATED SPECIFICALLY FOR THE MODEL INDUSTRY BY NHP Best Less Still $450 Also available popular Northeast Hcty Produds Inc Grariftevile Rd matord MA oia~ 508251-4576 allows motor turned some other means latter could servo-driven on/off switch radio-controlled electronic on/off switch electronic motor speed control arming switch system ready state its off motor cant turned prevents accidental uninten tional turn-on understand importance arming switch preventing accidental turn-on imagine motor didnt have Youre ready fly turn transmitter receiver usual just before takeoff Suppose same time throttle control stick transmitter somewhat advancedbut dont realize some control schemes would mean motor could come onwith gusto just turn receiver hands arms maybe some clothing happened way propeller theyd find prop pretty unforgiving need further convincing take look personal photo page 14 July 1990 MA Folks please use arming switchand make sure its turned off until youre ready take off arming switch rules arming switch last thing turned before launch arming switch first thing turned off after landing easiest safest course arming switch located some safe easy-toreach surface model spinning prop cant bite Most models use Radio Shack cata log #275-1546 double-pole double-throw DPDT miniature toggle switch arming switch Double pole DP means switch contains two separate electrical switches acti vated same switch lever Double throw DT means switches close different contact two possible switch lever positions also known On/On switch two independent switches DPDT device internal moving switch contact closes fixed contact lever direction Flipping lever toggle other way causes internal moving contact open first fixed contact close anFKITES FREE COLOR CATALOG Choose over 100 cxc 5 ng k tes 0 Many unusual & Innovat ye des gns Call write catalog todayl Into Wind j 449-5356 1408-MA Pearl St Boulder CO 80302 L m 64 Model Aviation WWII AIRCRAFT SCALE DRAWINGS & SPECIFICATION SHEETS Over 1200 Scele 2 VowFor Cotelog DewogeRANGER FIBERGLASS RANGER FIBERGLASS CO hoe hoe, Box 879 Opecillziog io oootoo des/go ood eoldiogCamptoee NH ro oeroopeoo iodosty oioce 195903223 THE WIREMASTER TM bender/coiler 4 different models wire bending tools offer Also available Alloy Stainless Aluminum Metric hardware Checkyourdealer first un available send business size SASE free catalog JOM COMPANY 114 Washington Terr Dept Waukegan IL 60085 IPRICE KIT FEATURES * FLEXI-GLASS FUSE * MACHINE CUT WINGS * MACHINE CUT STABS A ALL BUMPS & BLISTERS * 5 VIEWS & PLANS * CLEAR INSTRUCTIONS * GENEROUS HARDWARE PKG A CARBON FIBRE SPARS A ALL VACUFORMED PARTS * CLEAR CANOPY * RETRACT LOCATION SHOWI ACCESSOR ES AVA LABLE * STATIC & FLYING SPINNER /PROPS * FULL COCKPIT KIT A BOMBS TANKS PILOT * RETRACTS & STRUTS XADE IN THE USA ODEL BUILT BY HI-TEC MODELS BOB MELE TO ORDER 3END HECl OH MONEY ORDER TO Freecockpltkltw/eachorder$3OVaIUO INNOVATIVE MODEL PRODUCTS INC PO MARGATE FL 33063 OR CALL 8007803190 MODEL SPECIFICATIONS SPANV6 251NMASTER CARD & VISA ACCECPTED IWEIGHT 15LBS ENGINE 108 2CY 120 4CYADD $2000 SHIPPING AND HANDLING other fixed contact instead two inde pendent switches has three terminalsone moving contact two fixed contacts Thus DPDT switch has six termi nals altogether wire three sets two corresponding sol der terminals both switch halves parallel effectively double current-carrying capability switch efficient effective easy low cost also requires little space adds just little weight six switch terminals used stallation shown course four terminals two switch needed arm/disarm power system remaining two ac tively used serve wiring convenience function simple tie points several sys tem wires must connected correct wires must go correct place switch Thats tricky part little care combined additional info below thats needed get everything right As shown middle six pairs paral leled switch terminals goes next component system installation particular wir ing scheme middle terminals can thought switch output terminals since theyre connected moving contacts paralleled pair fixed terminals used switch input terminal summarize system wiring scheme far has positive battery output fuse input fuse output becomes arming switch input arming switch output re lays positive power next system compo nentin case speed control servodriven power control switch arming switch output would go connection switch stead inactive tie points switch used safely conveniently connect negative polarity system wiresie negative bat tery terminal negative power input speed control other motor controller system charge jack Now additional info mentioned earlier toggle switch illustrated typical majority market youll find others switch terminals have different func tional orientation housing Ive seen some example moving contact terminals end terminal grouping rather middle Its important know contacts whicha mistake can have significant conse quences addition some switches use different lever directions illustrated switch shown closed contacts lie opposite direc tion lever pointing want lever certain position say up switch youll need know lever di rection particular switch Different modelers prefer different lever-switch positions Some like have switch lever PLANS NOW AVAILABLE Easy-tobuild WORLD WAR SPAD RED BARON Pedal Planes little pilot age 3 6 will love due unique evating toy pointed up switch others prefer pointed forward Most switches thrown back opposite direction flight turned rationale event mishap read crash impact will likely throw lever forward offa small safety feature Finally sure busy wiring switch terminals neat clean no loose wire strands solder blobs could contact something shouldnt Yes connecting wires six little solder terminals can seem like three-handed operation times doableespecially some convenient holding clamping devices position hold thing during soldering Its worth effort cause approach makes simple neat wiring installation Next months continuation will include system wiring discussion how-to detail meantime happy quiet safe landings everyoneD RC Slope Soaring/Triebes Continued page 57 24-page photo-illustrated instruction book very detailed has building hints helpful example shows sheet foam cores using Sig Core-bond 3M Spray Adhesive includes helpful hints sheeting wings Continued page 166 Plans $1495 US & Canada Specify plans desired FL Rev add 6% tax Add $300 P ft 14 FANTASY TOYS 7958 Pines Blvd Suite 188 Pembroke Pines FL 33024 13051432-5196 March 1991 165 rNcivAJr V7E MXJDFL ~QTJcZI F F T THE KORTI-1 l1ERICiN larn prneter mate airfoil plelter inth FOILED AGAIN! 2ZZ PLOT AIRFOILS IN ANY CHORD UP TO 24 INCHES MODIFY THICKNESS CAMBER & TRMLING EDGE PLOT 5KiN THICKNESS FOR SHEErED WINGS ENTER DATA EASILY VIA INTELLiGENV EDITOR USER-FRIENDLY MENU-DRWEN OPERATION INCLUDES 18-PAGE tLLUSTRATED USER MANUAL $4500 Ov05 v.e 5000 /LZZ ___ nnna50 vans nra, vvssa 4~-n eMpcnnyuv nnnp05Vt~o vnmpnr coo maSh 5005 Gin nnmpU, C pvflr 50 meno~ 50015 *pnOy sr n ar Sink vend cvvv yr nOv50 00 tO CYGNET Software714 496-6961 24843 Del Prado #I41 Dana Point CA 92629 Plans complete fullsize patterns material list step-bystep instructjons color photographs Conetruttion materIals tWood wheels hardware atcI available lumber end hardware outlete Some parte available ready-made desired List included plans