Radio Control SPORT AEROBA TICS Ron Van Putte LAST MONTH promised include descrip tions perform maneuvers Novice/Sportsman class monthly basis months maneuver will Stall Turn Stall Turn upwind maneuver meaning initiated upwind heading strongly affected wind mean appearance maneuver affected know except gusts airplane doesnt know wind blowing wind has effect airplane trying make maneuver look same whether wind blowing What good flier does recognize com pensate effects wind appear ance maneuver However beginning Pattern flier concerned doing maneuver well enough recognizable still have airplane intact after ma neuver completed So lets treat Stall Turn aspect worry about effects wind later good running engine sufficient power permit vertical flight short time manda tory cant expect able perform good Stall Turn engine too puny sustain airplane vertical flight several aircraft lengths maneuver must started wings level wing down start vertical portion maneuver will canted off side discover airplane consis tently canted off side vertical flight probably rolled direction start short wings-level entry should followed smooth rotation vertical flight excess power available will determine radius rotation Lower-powered aircraft need rotated faster because rotation bleeds off speed quicker However cautious pitch airplane up too quickly because will slow airplane down too have find whats right airplane Stop pitch rotation airplane vertical some reason newcomers Pattern flying cant seem recognize airplane vertical isnt pitched up enough airplane probably wont stall cleanly will tend steer around turn rather stall causes downward flight patch offset maximum two wing spans upward path rule book calls downgrade other hand pitching airplane up too much usually ends -a flop Make certain airplane really traveling vertically before trying initiate stall get vertical tries crank off side its ownaccord didnt trim properly Ensure ailerons rudder properly trimmed Refer December 1982 column suggestions trim airplane Most airplanes yaw better left because engine effects engine right thrust may cause particular airplanes prefer yaws right So yaws both directions should tried see way better rudder command should put following vertical segment maneuver reduction power Most Pattern airplanes yaw better stall cleanly engine speed reduced idle However-sport/ Pattern airplanes particularly low-powered ones will better job higher throttle settings Kick rudder just before airplane comes stop gets too slow rudder. wont have power take around people put blip throttle get additional airflow over rudder help yaw airplane Hold rudder control until airplane stalls cleanly rotates yaw past 900 usually let go rudder stick just after airplane yaws 900 keeps airplane wobbling yaw way down lithe airplane wobbles held rudder command too long Some judges insist seeing airplane wobble exiting stall turn think bad judges Good judges know what look reward pilot skillful enough execute wobble-less Stall Turn Dont touch elevator throttle control until airplane performs downward vertical leg just like upward ease ele vator pitch airplane back horizontal flight Only after airplane horizontal should throttle advanced Now what about effects wind Obvious ly effect direct headwind blow airplane back way counter headwind pitch airplane up just short vertical wind will blow airplane path back vertical effect crosswind far complicated maneuver partly judged well vertical flight path achieved However airplane traveling vertically crosswind airplane will actually yawed flight condi tion -The directional stability airplane - tends yaw airplane crosswind As - the airplane slows down yaw effect becomes greater Consequently usually easier 36 Model Aviation Sigs new Kobra fliesaswell looks HB 25-poweredversion painted popularUSAF Thunderbird style seen T38s Belly-landing repairs surface nicks being tilled Sears Filled Epoxyheld place masking tape sets Its neat quick easy sands repaints well perform Stall Turn airplane yawed wind top fact crosswind strong may nearly impossible perform yaw away wind suggest trying first few Stall Turn maneu vers near-calm wind conditions learning handle effects wind after basic technique performing maneuver achieved September 1982 column published escapades Dewey Goddit AKA David P Anderson attempts get show-quality finish using badger hair brush Dewey wrote following letter after adventures appeared magazine Thank printing warning about hazards using badger hair brushes Im sorry fell floor after reading hope werent hurt just goes show dangerous hobby can Keep reading Flare-Out am regular contributor Last months column about asked paint outhouse flying field brought completed canvas club meeting members speechless Next months column details experiences flying nats What mess pesky sects make get stuck castor oil Now Im working article explaining plane loses altitude down-wind turn Its very simple see wind blowing down Way back December 1977 issue Model Aviation published information servo tester originally think published Hugh Shoemaker DCRC Newsletter Washington DC got flock requests schematic column first published However still get requests got just last week tester has several virtues inexpensive easy assemble small parts difficult locate youd like copy original article send selfaddressed stamped envelope Ill get return mail just received letter Gene Somebody Genes real last name envelope Continued page 131 Dec 7 Orders Guaranteed Time Christmas Order stock Custom Screen Sportswear designs Dec 7 well guarantee youll receive time Christmas Coaches shirts$1295 Ladles tops$ 995 Jackets$2195 Baseball shirts$ 895 Shorts$ 595 Sweatshirts$1195 Foot ball jerseys$ 895 7-Shirts$ 695 HatsAsk Details Wide Choice Colors Sizes XS S M L XL Send SASE Brochure see ad December issue Model Aviation available designs Send check MO Add 10% postagel handling MD residents add 5% tax Phase Art 17102 Earlham Ct Upper Marlboro MD 20772 3011527-5118 January 1983 37 Pictures ot servo tester appeared Rons column December 1977and still gets re quests schematic Hell glad fill requestssee column details Bill Johnston Krafts East Coast representative prepares EU-i flight model needs bit power Bills Y5 60 engine producesits big model Its FCS-4 Radio Designed Canadian governments target drone program approved US Armed Forces Training Command Full Command Systems has now brought cut ting edge Radio Control technology hobbiest N FCS-4 Four Channel Radio Wider body ends aching shoulder muscles Angled easeier monitoring battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmAH battery pack 600mAH 8 1200mAH extra Expandable 95 large linear serves 12995 small rotary servos stems 908 E Nosewood Spokane WA 99207 509 487-2122 join possibly forming SAM chapteror least get together some fun-fly activities phone 504 774-9647 Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Aerobatics/Van Putte Continued page 37 misplaced Regardless heres slightly edited version Genes letter As B-47 operator stationed Topeka KS circa 1960 member RC club read about Knox gelatin routine literature day tried wing tail Stormer coat water/gelatin mixture sealed silk well three coats butyrate dope gave gorgeous translucent finish took club meeting basked boys admiration gave lecture done -At next club meeting chap high state dudgeon displayed silk-covered wing pitiful behold looked finished stucco S@# said pointing Look what caused to wing Post mortem revealed mixed gelatin dope Egad perfect finishing method balsa-sheeted surfaces especially compound curves brush two three coats butyrate dope sanding fuzz off time Drape -oz glass cloth over surface piece whole fuselage Brush dope through glass cloth pushing out wrinkles folds ahead brush making ragged overlapped seam bottom Brush two three coats talcum/dope mixture SigSuper fill give good sanding Shoot color gives durable good lightweight finish old flattop Stormer Vintage 1960-1962 younger readers R VP still best hot dogging aircraft mods original design except bolt-on wing landing gear plus fixed horizontal stab Since Stall Turn took half months column Three Axial Rolls took similar amount last months column plan skip month before resuming descriptions perform Novice/Sportsman class ma neuvers Maybe other month appropriate mix Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Giant Scale/Beckman Continued page 41 noted power output antenna extended first off bad turned sure enough bad power output 40db down other words putting Out less 1 / 100th power other transmitter No wonder didnt have good range Now find out Just getting ready start tearing transmitter occurred should stop Easter egg hunting use head problem RF condition always finally gotten pinned down transmitter already knew changing RF modules transmitter didnt make difference possible very probable both modules same defect other hand likely fault something use no matter module used batteries good shape power being delivered RF module thing left antenna antennas dont go bad After its just length metal Well its easy enough find out swapped antennas two transmitters just like song says Everything bad good again Hindsight being perfect now obvious Although transmitter fairly new Ace Silver Seven built last year installed UHF connector antenna used antenna already five six years old Just recently noticed bit magazine columns about collapsible anten nas can get dirty deteriorate Although time said myself Yeah can happen never happened meso didnt really register Now inconsistent symptoms explained fairly good range antenna down poor up good range sometimes extend collapse antenna thing changes heat-sensitive transistor legitimate failure served mask additional troubles new antenna put transmitter old disassembled inspected amazed amount dirty oily crud sliding contacts make connections between telescoping sections antenna now carry small bottle alcohol toolbox Tam trying develop habit always wiping antenna clean before ever collapsing Saturday everything checked out perfectly radio solid Magnum II purred like kitten bird handled better ground expected highspeed taxi run down runway indicated wsa ready fly After months stumbling around first flight almost anti-climactic Tomahawk flew flew well As expected Continued page 134 January 1983 131 FOX 35 STUNT IN CONTINUOUS PRODUCTION FOR 34 YEARS Remember Control Line Simple Airplane atteries no servos requency problems lectric starters no tension way fly dont re-live yesteryears helping child young neighbor build fly Control Line Model Motor 35 Stunt course 34 years nobody has able improve its easy starting reliability tur Hot tine 5th t4t-ltSt FOX MFG Ca 5305 TOWSON AVE FORT SMITH ARK 72901
Edition: Model Aviation - 1983/01
Page Numbers: 36, 37, 131
Radio Control SPORT AEROBA TICS Ron Van Putte LAST MONTH promised include descrip tions perform maneuvers Novice/Sportsman class monthly basis months maneuver will Stall Turn Stall Turn upwind maneuver meaning initiated upwind heading strongly affected wind mean appearance maneuver affected know except gusts airplane doesnt know wind blowing wind has effect airplane trying make maneuver look same whether wind blowing What good flier does recognize com pensate effects wind appear ance maneuver However beginning Pattern flier concerned doing maneuver well enough recognizable still have airplane intact after ma neuver completed So lets treat Stall Turn aspect worry about effects wind later good running engine sufficient power permit vertical flight short time manda tory cant expect able perform good Stall Turn engine too puny sustain airplane vertical flight several aircraft lengths maneuver must started wings level wing down start vertical portion maneuver will canted off side discover airplane consis tently canted off side vertical flight probably rolled direction start short wings-level entry should followed smooth rotation vertical flight excess power available will determine radius rotation Lower-powered aircraft need rotated faster because rotation bleeds off speed quicker However cautious pitch airplane up too quickly because will slow airplane down too have find whats right airplane Stop pitch rotation airplane vertical some reason newcomers Pattern flying cant seem recognize airplane vertical isnt pitched up enough airplane probably wont stall cleanly will tend steer around turn rather stall causes downward flight patch offset maximum two wing spans upward path rule book calls downgrade other hand pitching airplane up too much usually ends -a flop Make certain airplane really traveling vertically before trying initiate stall get vertical tries crank off side its ownaccord didnt trim properly Ensure ailerons rudder properly trimmed Refer December 1982 column suggestions trim airplane Most airplanes yaw better left because engine effects engine right thrust may cause particular airplanes prefer yaws right So yaws both directions should tried see way better rudder command should put following vertical segment maneuver reduction power Most Pattern airplanes yaw better stall cleanly engine speed reduced idle However-sport/ Pattern airplanes particularly low-powered ones will better job higher throttle settings Kick rudder just before airplane comes stop gets too slow rudder. wont have power take around people put blip throttle get additional airflow over rudder help yaw airplane Hold rudder control until airplane stalls cleanly rotates yaw past 900 usually let go rudder stick just after airplane yaws 900 keeps airplane wobbling yaw way down lithe airplane wobbles held rudder command too long Some judges insist seeing airplane wobble exiting stall turn think bad judges Good judges know what look reward pilot skillful enough execute wobble-less Stall Turn Dont touch elevator throttle control until airplane performs downward vertical leg just like upward ease ele vator pitch airplane back horizontal flight Only after airplane horizontal should throttle advanced Now what about effects wind Obvious ly effect direct headwind blow airplane back way counter headwind pitch airplane up just short vertical wind will blow airplane path back vertical effect crosswind far complicated maneuver partly judged well vertical flight path achieved However airplane traveling vertically crosswind airplane will actually yawed flight condi tion -The directional stability airplane - tends yaw airplane crosswind As - the airplane slows down yaw effect becomes greater Consequently usually easier 36 Model Aviation Sigs new Kobra fliesaswell looks HB 25-poweredversion painted popularUSAF Thunderbird style seen T38s Belly-landing repairs surface nicks being tilled Sears Filled Epoxyheld place masking tape sets Its neat quick easy sands repaints well perform Stall Turn airplane yawed wind top fact crosswind strong may nearly impossible perform yaw away wind suggest trying first few Stall Turn maneu vers near-calm wind conditions learning handle effects wind after basic technique performing maneuver achieved September 1982 column published escapades Dewey Goddit AKA David P Anderson attempts get show-quality finish using badger hair brush Dewey wrote following letter after adventures appeared magazine Thank printing warning about hazards using badger hair brushes Im sorry fell floor after reading hope werent hurt just goes show dangerous hobby can Keep reading Flare-Out am regular contributor Last months column about asked paint outhouse flying field brought completed canvas club meeting members speechless Next months column details experiences flying nats What mess pesky sects make get stuck castor oil Now Im working article explaining plane loses altitude down-wind turn Its very simple see wind blowing down Way back December 1977 issue Model Aviation published information servo tester originally think published Hugh Shoemaker DCRC Newsletter Washington DC got flock requests schematic column first published However still get requests got just last week tester has several virtues inexpensive easy assemble small parts difficult locate youd like copy original article send selfaddressed stamped envelope Ill get return mail just received letter Gene Somebody Genes real last name envelope Continued page 131 Dec 7 Orders Guaranteed Time Christmas Order stock Custom Screen Sportswear designs Dec 7 well guarantee youll receive time Christmas Coaches shirts$1295 Ladles tops$ 995 Jackets$2195 Baseball shirts$ 895 Shorts$ 595 Sweatshirts$1195 Foot ball jerseys$ 895 7-Shirts$ 695 HatsAsk Details Wide Choice Colors Sizes XS S M L XL Send SASE Brochure see ad December issue Model Aviation available designs Send check MO Add 10% postagel handling MD residents add 5% tax Phase Art 17102 Earlham Ct Upper Marlboro MD 20772 3011527-5118 January 1983 37 Pictures ot servo tester appeared Rons column December 1977and still gets re quests schematic Hell glad fill requestssee column details Bill Johnston Krafts East Coast representative prepares EU-i flight model needs bit power Bills Y5 60 engine producesits big model Its FCS-4 Radio Designed Canadian governments target drone program approved US Armed Forces Training Command Full Command Systems has now brought cut ting edge Radio Control technology hobbiest N FCS-4 Four Channel Radio Wider body ends aching shoulder muscles Angled easeier monitoring battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmAH battery pack 600mAH 8 1200mAH extra Expandable 95 large linear serves 12995 small rotary servos stems 908 E Nosewood Spokane WA 99207 509 487-2122 join possibly forming SAM chapteror least get together some fun-fly activities phone 504 774-9647 Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Aerobatics/Van Putte Continued page 37 misplaced Regardless heres slightly edited version Genes letter As B-47 operator stationed Topeka KS circa 1960 member RC club read about Knox gelatin routine literature day tried wing tail Stormer coat water/gelatin mixture sealed silk well three coats butyrate dope gave gorgeous translucent finish took club meeting basked boys admiration gave lecture done -At next club meeting chap high state dudgeon displayed silk-covered wing pitiful behold looked finished stucco S@# said pointing Look what caused to wing Post mortem revealed mixed gelatin dope Egad perfect finishing method balsa-sheeted surfaces especially compound curves brush two three coats butyrate dope sanding fuzz off time Drape -oz glass cloth over surface piece whole fuselage Brush dope through glass cloth pushing out wrinkles folds ahead brush making ragged overlapped seam bottom Brush two three coats talcum/dope mixture SigSuper fill give good sanding Shoot color gives durable good lightweight finish old flattop Stormer Vintage 1960-1962 younger readers R VP still best hot dogging aircraft mods original design except bolt-on wing landing gear plus fixed horizontal stab Since Stall Turn took half months column Three Axial Rolls took similar amount last months column plan skip month before resuming descriptions perform Novice/Sportsman class ma neuvers Maybe other month appropriate mix Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Giant Scale/Beckman Continued page 41 noted power output antenna extended first off bad turned sure enough bad power output 40db down other words putting Out less 1 / 100th power other transmitter No wonder didnt have good range Now find out Just getting ready start tearing transmitter occurred should stop Easter egg hunting use head problem RF condition always finally gotten pinned down transmitter already knew changing RF modules transmitter didnt make difference possible very probable both modules same defect other hand likely fault something use no matter module used batteries good shape power being delivered RF module thing left antenna antennas dont go bad After its just length metal Well its easy enough find out swapped antennas two transmitters just like song says Everything bad good again Hindsight being perfect now obvious Although transmitter fairly new Ace Silver Seven built last year installed UHF connector antenna used antenna already five six years old Just recently noticed bit magazine columns about collapsible anten nas can get dirty deteriorate Although time said myself Yeah can happen never happened meso didnt really register Now inconsistent symptoms explained fairly good range antenna down poor up good range sometimes extend collapse antenna thing changes heat-sensitive transistor legitimate failure served mask additional troubles new antenna put transmitter old disassembled inspected amazed amount dirty oily crud sliding contacts make connections between telescoping sections antenna now carry small bottle alcohol toolbox Tam trying develop habit always wiping antenna clean before ever collapsing Saturday everything checked out perfectly radio solid Magnum II purred like kitten bird handled better ground expected highspeed taxi run down runway indicated wsa ready fly After months stumbling around first flight almost anti-climactic Tomahawk flew flew well As expected Continued page 134 January 1983 131 FOX 35 STUNT IN CONTINUOUS PRODUCTION FOR 34 YEARS Remember Control Line Simple Airplane atteries no servos requency problems lectric starters no tension way fly dont re-live yesteryears helping child young neighbor build fly Control Line Model Motor 35 Stunt course 34 years nobody has able improve its easy starting reliability tur Hot tine 5th t4t-ltSt FOX MFG Ca 5305 TOWSON AVE FORT SMITH ARK 72901
Edition: Model Aviation - 1983/01
Page Numbers: 36, 37, 131
Radio Control SPORT AEROBA TICS Ron Van Putte LAST MONTH promised include descrip tions perform maneuvers Novice/Sportsman class monthly basis months maneuver will Stall Turn Stall Turn upwind maneuver meaning initiated upwind heading strongly affected wind mean appearance maneuver affected know except gusts airplane doesnt know wind blowing wind has effect airplane trying make maneuver look same whether wind blowing What good flier does recognize com pensate effects wind appear ance maneuver However beginning Pattern flier concerned doing maneuver well enough recognizable still have airplane intact after ma neuver completed So lets treat Stall Turn aspect worry about effects wind later good running engine sufficient power permit vertical flight short time manda tory cant expect able perform good Stall Turn engine too puny sustain airplane vertical flight several aircraft lengths maneuver must started wings level wing down start vertical portion maneuver will canted off side discover airplane consis tently canted off side vertical flight probably rolled direction start short wings-level entry should followed smooth rotation vertical flight excess power available will determine radius rotation Lower-powered aircraft need rotated faster because rotation bleeds off speed quicker However cautious pitch airplane up too quickly because will slow airplane down too have find whats right airplane Stop pitch rotation airplane vertical some reason newcomers Pattern flying cant seem recognize airplane vertical isnt pitched up enough airplane probably wont stall cleanly will tend steer around turn rather stall causes downward flight patch offset maximum two wing spans upward path rule book calls downgrade other hand pitching airplane up too much usually ends -a flop Make certain airplane really traveling vertically before trying initiate stall get vertical tries crank off side its ownaccord didnt trim properly Ensure ailerons rudder properly trimmed Refer December 1982 column suggestions trim airplane Most airplanes yaw better left because engine effects engine right thrust may cause particular airplanes prefer yaws right So yaws both directions should tried see way better rudder command should put following vertical segment maneuver reduction power Most Pattern airplanes yaw better stall cleanly engine speed reduced idle However-sport/ Pattern airplanes particularly low-powered ones will better job higher throttle settings Kick rudder just before airplane comes stop gets too slow rudder. wont have power take around people put blip throttle get additional airflow over rudder help yaw airplane Hold rudder control until airplane stalls cleanly rotates yaw past 900 usually let go rudder stick just after airplane yaws 900 keeps airplane wobbling yaw way down lithe airplane wobbles held rudder command too long Some judges insist seeing airplane wobble exiting stall turn think bad judges Good judges know what look reward pilot skillful enough execute wobble-less Stall Turn Dont touch elevator throttle control until airplane performs downward vertical leg just like upward ease ele vator pitch airplane back horizontal flight Only after airplane horizontal should throttle advanced Now what about effects wind Obvious ly effect direct headwind blow airplane back way counter headwind pitch airplane up just short vertical wind will blow airplane path back vertical effect crosswind far complicated maneuver partly judged well vertical flight path achieved However airplane traveling vertically crosswind airplane will actually yawed flight condi tion -The directional stability airplane - tends yaw airplane crosswind As - the airplane slows down yaw effect becomes greater Consequently usually easier 36 Model Aviation Sigs new Kobra fliesaswell looks HB 25-poweredversion painted popularUSAF Thunderbird style seen T38s Belly-landing repairs surface nicks being tilled Sears Filled Epoxyheld place masking tape sets Its neat quick easy sands repaints well perform Stall Turn airplane yawed wind top fact crosswind strong may nearly impossible perform yaw away wind suggest trying first few Stall Turn maneu vers near-calm wind conditions learning handle effects wind after basic technique performing maneuver achieved September 1982 column published escapades Dewey Goddit AKA David P Anderson attempts get show-quality finish using badger hair brush Dewey wrote following letter after adventures appeared magazine Thank printing warning about hazards using badger hair brushes Im sorry fell floor after reading hope werent hurt just goes show dangerous hobby can Keep reading Flare-Out am regular contributor Last months column about asked paint outhouse flying field brought completed canvas club meeting members speechless Next months column details experiences flying nats What mess pesky sects make get stuck castor oil Now Im working article explaining plane loses altitude down-wind turn Its very simple see wind blowing down Way back December 1977 issue Model Aviation published information servo tester originally think published Hugh Shoemaker DCRC Newsletter Washington DC got flock requests schematic column first published However still get requests got just last week tester has several virtues inexpensive easy assemble small parts difficult locate youd like copy original article send selfaddressed stamped envelope Ill get return mail just received letter Gene Somebody Genes real last name envelope Continued page 131 Dec 7 Orders Guaranteed Time Christmas Order stock Custom Screen Sportswear designs Dec 7 well guarantee youll receive time Christmas Coaches shirts$1295 Ladles tops$ 995 Jackets$2195 Baseball shirts$ 895 Shorts$ 595 Sweatshirts$1195 Foot ball jerseys$ 895 7-Shirts$ 695 HatsAsk Details Wide Choice Colors Sizes XS S M L XL Send SASE Brochure see ad December issue Model Aviation available designs Send check MO Add 10% postagel handling MD residents add 5% tax Phase Art 17102 Earlham Ct Upper Marlboro MD 20772 3011527-5118 January 1983 37 Pictures ot servo tester appeared Rons column December 1977and still gets re quests schematic Hell glad fill requestssee column details Bill Johnston Krafts East Coast representative prepares EU-i flight model needs bit power Bills Y5 60 engine producesits big model Its FCS-4 Radio Designed Canadian governments target drone program approved US Armed Forces Training Command Full Command Systems has now brought cut ting edge Radio Control technology hobbiest N FCS-4 Four Channel Radio Wider body ends aching shoulder muscles Angled easeier monitoring battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmAH battery pack 600mAH 8 1200mAH extra Expandable 95 large linear serves 12995 small rotary servos stems 908 E Nosewood Spokane WA 99207 509 487-2122 join possibly forming SAM chapteror least get together some fun-fly activities phone 504 774-9647 Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Aerobatics/Van Putte Continued page 37 misplaced Regardless heres slightly edited version Genes letter As B-47 operator stationed Topeka KS circa 1960 member RC club read about Knox gelatin routine literature day tried wing tail Stormer coat water/gelatin mixture sealed silk well three coats butyrate dope gave gorgeous translucent finish took club meeting basked boys admiration gave lecture done -At next club meeting chap high state dudgeon displayed silk-covered wing pitiful behold looked finished stucco S@# said pointing Look what caused to wing Post mortem revealed mixed gelatin dope Egad perfect finishing method balsa-sheeted surfaces especially compound curves brush two three coats butyrate dope sanding fuzz off time Drape -oz glass cloth over surface piece whole fuselage Brush dope through glass cloth pushing out wrinkles folds ahead brush making ragged overlapped seam bottom Brush two three coats talcum/dope mixture SigSuper fill give good sanding Shoot color gives durable good lightweight finish old flattop Stormer Vintage 1960-1962 younger readers R VP still best hot dogging aircraft mods original design except bolt-on wing landing gear plus fixed horizontal stab Since Stall Turn took half months column Three Axial Rolls took similar amount last months column plan skip month before resuming descriptions perform Novice/Sportsman class ma neuvers Maybe other month appropriate mix Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Giant Scale/Beckman Continued page 41 noted power output antenna extended first off bad turned sure enough bad power output 40db down other words putting Out less 1 / 100th power other transmitter No wonder didnt have good range Now find out Just getting ready start tearing transmitter occurred should stop Easter egg hunting use head problem RF condition always finally gotten pinned down transmitter already knew changing RF modules transmitter didnt make difference possible very probable both modules same defect other hand likely fault something use no matter module used batteries good shape power being delivered RF module thing left antenna antennas dont go bad After its just length metal Well its easy enough find out swapped antennas two transmitters just like song says Everything bad good again Hindsight being perfect now obvious Although transmitter fairly new Ace Silver Seven built last year installed UHF connector antenna used antenna already five six years old Just recently noticed bit magazine columns about collapsible anten nas can get dirty deteriorate Although time said myself Yeah can happen never happened meso didnt really register Now inconsistent symptoms explained fairly good range antenna down poor up good range sometimes extend collapse antenna thing changes heat-sensitive transistor legitimate failure served mask additional troubles new antenna put transmitter old disassembled inspected amazed amount dirty oily crud sliding contacts make connections between telescoping sections antenna now carry small bottle alcohol toolbox Tam trying develop habit always wiping antenna clean before ever collapsing Saturday everything checked out perfectly radio solid Magnum II purred like kitten bird handled better ground expected highspeed taxi run down runway indicated wsa ready fly After months stumbling around first flight almost anti-climactic Tomahawk flew flew well As expected Continued page 134 January 1983 131 FOX 35 STUNT IN CONTINUOUS PRODUCTION FOR 34 YEARS Remember Control Line Simple Airplane atteries no servos requency problems lectric starters no tension way fly dont re-live yesteryears helping child young neighbor build fly Control Line Model Motor 35 Stunt course 34 years nobody has able improve its easy starting reliability tur Hot tine 5th t4t-ltSt FOX MFG Ca 5305 TOWSON AVE FORT SMITH ARK 72901