Radio Control SPORT AEROBA TICS Ron Van Putte ONCE get discouraged try get joh done club cant get enough help make easy task everyone happened recently wondered clubs have same problem Shortly afterwards received package club newsletters con tained two issues Flighiline Newsletter Greater Cincinnati Radio Control Club issue article editor Wambach Jr showed club wasnt alone Ive edited article bit Someone Else saddened learn week departure clubs valuable members Someone Else ab sence has created vacancy will difficult fill us years did far normal persons work Whenever leadership mentioned wonderful person always looked inspiration well results Whenever job posi tion filled meeting attend name always everyones lipsLet Someone Else Whenever have chance partic ipate club remember cant depend Someone Else anymore another issue Flightline Newsletter discovered article Mark Rothan titled RC Controlling Life article test determine RC taking over life Try I On last birthday received gift considered RC productscore point 2-3 RC giftsscore 2 points exclusively RC gifts score 3 points 2 have ever considered possibility mowing lawn RC score 3 points 3 have missed two meals last month because RCscore 2 points 4 received RC-oriented mail last month bills monthscore 5 points 5 bought van truck transport RC equip mentscore 7 points 6 wifes list takes back seat RC projectscore 3 points 7 youve missed wedding other important events involving someone immediate family because RCscore 7 points 8 carry picture RC air plane walletscore 5 points 9 Score 2 points flyable airplane own plus point crashed unfinished awaiting attention Subtract point year have involved RC 10 have called sick gone home early used some excuse work go flying RCscore 5 points II group tall thick leafy trees makes hands sweatscore 3 points 12 wife ever came special smile wearing spe cial nightie asked coming bed chose building over bedscore 10 points results divided four categories signifying particular level concern 0-15 points. No cause concern What doing hobby anyway 16-30 points Moderate RC just hobby kept check should able lead semi-normal life 31-45 points . High Note warning signs Get help still can May AMA help 46 points above. Radio Control out control Complete lack perspective range check life 10 feet should grounded took test scored -2 course 28 years hobby netted -20 item 9 helped way editor Flighiline News letter has enviable task Most issues have con tributions 12 IS club members As former newsletter editor can appreciate good must make club editor feel Most club newsletter editors would startled have contributions have contributors indicates Greater Cincinnati Radio Control Club must healthy Apparently Someone Else doesnt have much club Its certainly great time stocking up 42 Model Aviation con see iou mucn Ci Inc aerunivucitiug un uu ssnv n.nnc flu Argentinians did up rightl Between AprIl 5-11 irwy neid 4th Panamerlcan Chansp.sus AmerIcan ChampIonships 36th Argentine Natal Pattern super-Star Daniel Faico ArgentirHa win, three top-place Pattern trophies contests extra servos new servos great prices cheap dont know World En gines can sell S-I S-2l servos dealers low whether theyre special Royal Titan Mini Titan servos priced low too servo really startles Kraft KPS-22 its powerful water proof has isolated potentiometer can get sources under $20 As long Im expressing amazement does JR manage sell 4-channel radio com plete batteries charger under $100 wasnt long ago fork out least $200 4-channel radio system no matter what quality old-timers remember Bonner Digimite 8-channel system used retail $800 back mid 1960s good old days cant compare radios right now Recently several modelers asked explain put lightweight fiberglass cloth wings horizontal tails airplanes covered column some time ago because recurring general interest think bears repeating real trick doing good job applying glass cloth apply balsa wing skin before wing skin attached foam wing stab prepare 1/16-in balsa wing skins over lap wing stab least / 4-in way around allow minor application errors skin has prepared sand both sides smooth using orbital sander good flat surface Phoenix 8 took four skins cover wing because leading edge flat However wings wrap skin around leading edge two needed course difficult prepare skin cover both top bottom wing like results better trying shave leading edge block shape problem people have wrapping wing skin around leading edge tends split necessitating use magic elixirs like ammo nia water leading edge area wing skin technique need never worry about wing skin splitting around lead ing edge again After sanding complete entire skin should vacuumed get rid balsa dust cut lightweight glass cloth just slightly oversize dont waste Scottish ancestry asserting itself attach glass cloth balsa skins using Dave Browns Epoxy Kit Other epoxy products may work well Epoxy Kit gives 30 minutes working time sands well less expensive some other products place balsa skin table covered waxed paper hold glass cloth skin brush epoxy through glass cloth balsa skin glass cloth may tend move around bit epoxy brushed its no problem pull back place After epoxy applied excess should removed best way Ive found use roll toilet paper short section broomstick through center Roll paper surface tends roll itself rather Continued page 117 Ace.The Best Radio Control Ace R/C proud introduce TachMaster Ace TachMaster optically coupled analog tachometer easy read easy use Accurate measurement model aircraft engine performance extremely import ant upkeep prop selection selection par ticular aircraft design Sport competition flyers alike need nothing less excellent tachometer accomp lish Ace TechMaster created provide required accuracy ease use non confusing meter scala cost less half of so-called Super tache TachMaster features dual range 0-5000 RPM 0-25000 RPM makes extremely accurate versatile instrument addition creating tachometer providesfine performance reasonable cost times have tried keep construction reasonably simple will provide first time kit builder great margin success Whether competition sport flyer Ace TechMaster must flight box Available kit form custom assembled 26K25-Ace TachMaster Kit 26K25C-Ace TechMaster Assembled $2995 $3995 FEC Chg gAteAn R/C world has waiting product 30 yearsl dependable feet/slow rate charger will safely rapidly charge both receiver transmitter batteries 1 2V DC source automatically cut back overnight charge rate Por 48V receiver 96V transmitter packs Charges 500 mah receiver pack 85% less hour Available kit form assembled Both furnished less connectors 34K40 FFC Kit 34K40CFFC aesem $2995 $3995 handy portable light weight dependable glow plug igniter engine uses 1200 mah Ni-cd call coniunction special Head lock glow plug conn ector quick easy starts. slips pocket total port ability Recharges over night ready next session need starting battery 38K75Nilite II Combo $1995 38K78Nilite II Igniter $1200 38K26Nilita II Charger $1000 Send $200 100 pagef catalog Ace products available dealer must order direct add $100 handling fee CgOe-@et Cyano-Set perfect mate Cyanoacrylate adhesives sprayed ioint glue instantly sets - dont have hold parts together fo what seems like forever waiting glue fire also allows ioining dissimilar materials out problem use cyanoacrylate adhesivesyou need Cyano-SetI 50L900-Cyano-Set 25 oz $399 AF E/ inc] Box ShE Higginsville Mo 64037 816584-7121 February 1983 43 Os tne 11 competitors 13th South American Championships starting back row L R Argentinians Daniel Falco Tullo Converset Vicente Amenduni Roberto lshkanian Brazilians Salvatore Pompei front rose Mario Watanabe P1mb Romano Sorry cant show color models riotously colorful Safety/Preston Continued page 14 printing entire letter However anyone desires receive copy SASE address end column will bring Basically what Kent suggesting weight limit around 90 lb multi-engine Scale models rationale permit modeling multi-engine aircraft same scale number popular 60- 90-powered singleengine models claims multi-engine bomber would have about six times weight single-engine fighter modeled same scale other words fighter weighs say 12 15 lb comparable bomber would come out about 72 90 lb letter states may ask make exception weight safety standpoint have seen aircraft flown example made above answer may easy Such aircraft fly relatively slowly very stable aerodynamicallyas would expected comparing performance its full-size counterpart type model also performs very little way serious aerobatic maneu vers reduces probability risk signifi cantly during flight start emphasizing engine displace ment limit such models instead present limiting weight have really placed signifi cant control kinetic energy achieved dur ing flight since aircraft above 55 lb would forced slower velocity attitude letter concludes following state ment Scale modeling community needs opportunity use 60- 90-size engines corresponding size weight airframe model four-engine aircraft achieve what Scale modeler striving fidelity scale nutshell seems should consider last paragraph ask ourselves ques tion Does Scale modeling community need use 60- 90-size engines multi-engine aircraft Bear mind unlike IMAA proposal Kent suggesting engine displacement limit increased last item regarding model size Coun cil referred AMA Safety Committee rules change proposal submitted Bill Nor throp Bills proposal Gen-84-9 published December 1982 issue MA page 114 would add another paragraph Section 4 Gen eral page 7 current rule book paragraph would state 43 Weight Limit Model aircraft weigh ing excess current maximum amount specified AMA competi tion category shall permitted fly AMA-sanctioned competitions AMA-insured activities AMA-in sured flying sites present time RC Giant Scale Section 53B page 83 rule book permits models up 40 lb weight maximum per mitted competition category So unless Giant Scale weight limit upped 55 lb conflict between Bills proposal Council-established weight limit Since no pro posal submitted increase Giant Scale weight limit Council has referred conflict Safety Committee resolution proper note AMA Safety Code weight-limit factor determines whether model covered AMA insurancenot competition rules comments receive address three items concerning maximum fiorndo PROPELLERS Made polyester boil color Go GRISH .the No 1 propeller True helical pitch airfoil win-power Sizes pitches styles needs AT YOUR DEALER 2 Blade Tractor 53each 5-45354ICc 6364SOc 747678SOc 8486687Db 949-69-7 9810410-6Nc 11411-611-8 1 12412-51264180 2 Blade Pusher 5, 3 5-4 6-36-4 SOc 8-6Nc 9-610-6*1 3 Blade Tractor 5-36364 SOc 3 Blade Pusher 6-3HOc Metalige Aluminum Color Tractor 7678 *1 8688$1 96 06104*150 Pusher106$1 GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes chance costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/8 BOREALL SIZES IN18 $7 6810 12 PITCH208 2210 24 13 IN 8 & 10 PITCH26$16 RIGHT HAND TRACTOR GRISH~HN INDIANA 46373 Way maintain nicads e ONLY $1 995 SIMPLE CYCLER pay another charger already own Cycle Rx Tx packs easy way throughout year SIMPLE CYCLER gives audible warning packs discharged level recommended manu facturer safely recharge radio systems charger can easily determine percentage power consumed remaining pack Simple sate cheap Connectors included #RED 22 See local hobby shop ucts made USA Send SASE full information CRam 4736 N Milwaukee Ave ago IL 60630 IF UNAVAILABLE LOCALLY ADD $100 FOR DIRECT ORDER NO COD **SAILPLANE**jam launching equipmentl UUI P40 CARD KIT hi-starts/winches/accessoriesFULL COLOR EXACT REPRODUCTION complete line/best prices/top qualityYt/4 sow $500 REM EMBER HOW send self-addressed stampedONLYWELL THEY FLEW envelope catalog/information -SpcII offr Inoludes roupon reusiring RL F PRODUCTS~ ~FIDo nd1 Te R3 Box 178-V Paoli IN 4745418121723-4310~Ak1UNIQUE NOSTALOIc OIFY model size will passed other members AMA Safety Committee suggest anyone wishing comment promptly column being written end October will see until December Pro con would like have input Have safe month John D Preston 7102 Elvira Ct Falls Church VA 22042 RC AerobaticsNan Putte Cont/nued page 43 other way youll end up balsa skin covered glass cloth toilet paper As toilet paper becomes soaked epoxy unroll turn two paper discard Continue rolling until toilet paper stops soaking up epoxy Look closely thejob did youll notice glass cloth securely stuck balsa skin foot two away becomes invisible can see balsa After allowing epoxy cure excess cloth can trimmed around edges balsa skin use water-soluble contact cement stick skin wing thats prefer ence Use whatever works you wrap skin around leading edge wing forget ammonia trick because glass cloth outside skin prevents crack ing Theres no magic just technique Next month plan cover perform Reverse Outside Loop Ron Van Putte 111 Sleepy Oaks Road Ft Walton Beach FL 32548 February 1983 117
Edition: Model Aviation - 1983/02
Page Numbers: 42, 43, 117
Radio Control SPORT AEROBA TICS Ron Van Putte ONCE get discouraged try get joh done club cant get enough help make easy task everyone happened recently wondered clubs have same problem Shortly afterwards received package club newsletters con tained two issues Flighiline Newsletter Greater Cincinnati Radio Control Club issue article editor Wambach Jr showed club wasnt alone Ive edited article bit Someone Else saddened learn week departure clubs valuable members Someone Else ab sence has created vacancy will difficult fill us years did far normal persons work Whenever leadership mentioned wonderful person always looked inspiration well results Whenever job posi tion filled meeting attend name always everyones lipsLet Someone Else Whenever have chance partic ipate club remember cant depend Someone Else anymore another issue Flightline Newsletter discovered article Mark Rothan titled RC Controlling Life article test determine RC taking over life Try I On last birthday received gift considered RC productscore point 2-3 RC giftsscore 2 points exclusively RC gifts score 3 points 2 have ever considered possibility mowing lawn RC score 3 points 3 have missed two meals last month because RCscore 2 points 4 received RC-oriented mail last month bills monthscore 5 points 5 bought van truck transport RC equip mentscore 7 points 6 wifes list takes back seat RC projectscore 3 points 7 youve missed wedding other important events involving someone immediate family because RCscore 7 points 8 carry picture RC air plane walletscore 5 points 9 Score 2 points flyable airplane own plus point crashed unfinished awaiting attention Subtract point year have involved RC 10 have called sick gone home early used some excuse work go flying RCscore 5 points II group tall thick leafy trees makes hands sweatscore 3 points 12 wife ever came special smile wearing spe cial nightie asked coming bed chose building over bedscore 10 points results divided four categories signifying particular level concern 0-15 points. No cause concern What doing hobby anyway 16-30 points Moderate RC just hobby kept check should able lead semi-normal life 31-45 points . High Note warning signs Get help still can May AMA help 46 points above. Radio Control out control Complete lack perspective range check life 10 feet should grounded took test scored -2 course 28 years hobby netted -20 item 9 helped way editor Flighiline News letter has enviable task Most issues have con tributions 12 IS club members As former newsletter editor can appreciate good must make club editor feel Most club newsletter editors would startled have contributions have contributors indicates Greater Cincinnati Radio Control Club must healthy Apparently Someone Else doesnt have much club Its certainly great time stocking up 42 Model Aviation con see iou mucn Ci Inc aerunivucitiug un uu ssnv n.nnc flu Argentinians did up rightl Between AprIl 5-11 irwy neid 4th Panamerlcan Chansp.sus AmerIcan ChampIonships 36th Argentine Natal Pattern super-Star Daniel Faico ArgentirHa win, three top-place Pattern trophies contests extra servos new servos great prices cheap dont know World En gines can sell S-I S-2l servos dealers low whether theyre special Royal Titan Mini Titan servos priced low too servo really startles Kraft KPS-22 its powerful water proof has isolated potentiometer can get sources under $20 As long Im expressing amazement does JR manage sell 4-channel radio com plete batteries charger under $100 wasnt long ago fork out least $200 4-channel radio system no matter what quality old-timers remember Bonner Digimite 8-channel system used retail $800 back mid 1960s good old days cant compare radios right now Recently several modelers asked explain put lightweight fiberglass cloth wings horizontal tails airplanes covered column some time ago because recurring general interest think bears repeating real trick doing good job applying glass cloth apply balsa wing skin before wing skin attached foam wing stab prepare 1/16-in balsa wing skins over lap wing stab least / 4-in way around allow minor application errors skin has prepared sand both sides smooth using orbital sander good flat surface Phoenix 8 took four skins cover wing because leading edge flat However wings wrap skin around leading edge two needed course difficult prepare skin cover both top bottom wing like results better trying shave leading edge block shape problem people have wrapping wing skin around leading edge tends split necessitating use magic elixirs like ammo nia water leading edge area wing skin technique need never worry about wing skin splitting around lead ing edge again After sanding complete entire skin should vacuumed get rid balsa dust cut lightweight glass cloth just slightly oversize dont waste Scottish ancestry asserting itself attach glass cloth balsa skins using Dave Browns Epoxy Kit Other epoxy products may work well Epoxy Kit gives 30 minutes working time sands well less expensive some other products place balsa skin table covered waxed paper hold glass cloth skin brush epoxy through glass cloth balsa skin glass cloth may tend move around bit epoxy brushed its no problem pull back place After epoxy applied excess should removed best way Ive found use roll toilet paper short section broomstick through center Roll paper surface tends roll itself rather Continued page 117 Ace.The Best Radio Control Ace R/C proud introduce TachMaster Ace TachMaster optically coupled analog tachometer easy read easy use Accurate measurement model aircraft engine performance extremely import ant upkeep prop selection selection par ticular aircraft design Sport competition flyers alike need nothing less excellent tachometer accomp lish Ace TechMaster created provide required accuracy ease use non confusing meter scala cost less half of so-called Super tache TachMaster features dual range 0-5000 RPM 0-25000 RPM makes extremely accurate versatile instrument addition creating tachometer providesfine performance reasonable cost times have tried keep construction reasonably simple will provide first time kit builder great margin success Whether competition sport flyer Ace TechMaster must flight box Available kit form custom assembled 26K25-Ace TachMaster Kit 26K25C-Ace TechMaster Assembled $2995 $3995 FEC Chg gAteAn R/C world has waiting product 30 yearsl dependable feet/slow rate charger will safely rapidly charge both receiver transmitter batteries 1 2V DC source automatically cut back overnight charge rate Por 48V receiver 96V transmitter packs Charges 500 mah receiver pack 85% less hour Available kit form assembled Both furnished less connectors 34K40 FFC Kit 34K40CFFC aesem $2995 $3995 handy portable light weight dependable glow plug igniter engine uses 1200 mah Ni-cd call coniunction special Head lock glow plug conn ector quick easy starts. slips pocket total port ability Recharges over night ready next session need starting battery 38K75Nilite II Combo $1995 38K78Nilite II Igniter $1200 38K26Nilita II Charger $1000 Send $200 100 pagef catalog Ace products available dealer must order direct add $100 handling fee CgOe-@et Cyano-Set perfect mate Cyanoacrylate adhesives sprayed ioint glue instantly sets - dont have hold parts together fo what seems like forever waiting glue fire also allows ioining dissimilar materials out problem use cyanoacrylate adhesivesyou need Cyano-SetI 50L900-Cyano-Set 25 oz $399 AF E/ inc] Box ShE Higginsville Mo 64037 816584-7121 February 1983 43 Os tne 11 competitors 13th South American Championships starting back row L R Argentinians Daniel Falco Tullo Converset Vicente Amenduni Roberto lshkanian Brazilians Salvatore Pompei front rose Mario Watanabe P1mb Romano Sorry cant show color models riotously colorful Safety/Preston Continued page 14 printing entire letter However anyone desires receive copy SASE address end column will bring Basically what Kent suggesting weight limit around 90 lb multi-engine Scale models rationale permit modeling multi-engine aircraft same scale number popular 60- 90-powered singleengine models claims multi-engine bomber would have about six times weight single-engine fighter modeled same scale other words fighter weighs say 12 15 lb comparable bomber would come out about 72 90 lb letter states may ask make exception weight safety standpoint have seen aircraft flown example made above answer may easy Such aircraft fly relatively slowly very stable aerodynamicallyas would expected comparing performance its full-size counterpart type model also performs very little way serious aerobatic maneu vers reduces probability risk signifi cantly during flight start emphasizing engine displace ment limit such models instead present limiting weight have really placed signifi cant control kinetic energy achieved dur ing flight since aircraft above 55 lb would forced slower velocity attitude letter concludes following state ment Scale modeling community needs opportunity use 60- 90-size engines corresponding size weight airframe model four-engine aircraft achieve what Scale modeler striving fidelity scale nutshell seems should consider last paragraph ask ourselves ques tion Does Scale modeling community need use 60- 90-size engines multi-engine aircraft Bear mind unlike IMAA proposal Kent suggesting engine displacement limit increased last item regarding model size Coun cil referred AMA Safety Committee rules change proposal submitted Bill Nor throp Bills proposal Gen-84-9 published December 1982 issue MA page 114 would add another paragraph Section 4 Gen eral page 7 current rule book paragraph would state 43 Weight Limit Model aircraft weigh ing excess current maximum amount specified AMA competi tion category shall permitted fly AMA-sanctioned competitions AMA-insured activities AMA-in sured flying sites present time RC Giant Scale Section 53B page 83 rule book permits models up 40 lb weight maximum per mitted competition category So unless Giant Scale weight limit upped 55 lb conflict between Bills proposal Council-established weight limit Since no pro posal submitted increase Giant Scale weight limit Council has referred conflict Safety Committee resolution proper note AMA Safety Code weight-limit factor determines whether model covered AMA insurancenot competition rules comments receive address three items concerning maximum fiorndo PROPELLERS Made polyester boil color Go GRISH .the No 1 propeller True helical pitch airfoil win-power Sizes pitches styles needs AT YOUR DEALER 2 Blade Tractor 53each 5-45354ICc 6364SOc 747678SOc 8486687Db 949-69-7 9810410-6Nc 11411-611-8 1 12412-51264180 2 Blade Pusher 5, 3 5-4 6-36-4 SOc 8-6Nc 9-610-6*1 3 Blade Tractor 5-36364 SOc 3 Blade Pusher 6-3HOc Metalige Aluminum Color Tractor 7678 *1 8688$1 96 06104*150 Pusher106$1 GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes chance costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/8 BOREALL SIZES IN18 $7 6810 12 PITCH208 2210 24 13 IN 8 & 10 PITCH26$16 RIGHT HAND TRACTOR GRISH~HN INDIANA 46373 Way maintain nicads e ONLY $1 995 SIMPLE CYCLER pay another charger already own Cycle Rx Tx packs easy way throughout year SIMPLE CYCLER gives audible warning packs discharged level recommended manu facturer safely recharge radio systems charger can easily determine percentage power consumed remaining pack Simple sate cheap Connectors included #RED 22 See local hobby shop ucts made USA Send SASE full information CRam 4736 N Milwaukee Ave ago IL 60630 IF UNAVAILABLE LOCALLY ADD $100 FOR DIRECT ORDER NO COD **SAILPLANE**jam launching equipmentl UUI P40 CARD KIT hi-starts/winches/accessoriesFULL COLOR EXACT REPRODUCTION complete line/best prices/top qualityYt/4 sow $500 REM EMBER HOW send self-addressed stampedONLYWELL THEY FLEW envelope catalog/information -SpcII offr Inoludes roupon reusiring RL F PRODUCTS~ ~FIDo nd1 Te R3 Box 178-V Paoli IN 4745418121723-4310~Ak1UNIQUE NOSTALOIc OIFY model size will passed other members AMA Safety Committee suggest anyone wishing comment promptly column being written end October will see until December Pro con would like have input Have safe month John D Preston 7102 Elvira Ct Falls Church VA 22042 RC AerobaticsNan Putte Cont/nued page 43 other way youll end up balsa skin covered glass cloth toilet paper As toilet paper becomes soaked epoxy unroll turn two paper discard Continue rolling until toilet paper stops soaking up epoxy Look closely thejob did youll notice glass cloth securely stuck balsa skin foot two away becomes invisible can see balsa After allowing epoxy cure excess cloth can trimmed around edges balsa skin use water-soluble contact cement stick skin wing thats prefer ence Use whatever works you wrap skin around leading edge wing forget ammonia trick because glass cloth outside skin prevents crack ing Theres no magic just technique Next month plan cover perform Reverse Outside Loop Ron Van Putte 111 Sleepy Oaks Road Ft Walton Beach FL 32548 February 1983 117
Edition: Model Aviation - 1983/02
Page Numbers: 42, 43, 117
Radio Control SPORT AEROBA TICS Ron Van Putte ONCE get discouraged try get joh done club cant get enough help make easy task everyone happened recently wondered clubs have same problem Shortly afterwards received package club newsletters con tained two issues Flighiline Newsletter Greater Cincinnati Radio Control Club issue article editor Wambach Jr showed club wasnt alone Ive edited article bit Someone Else saddened learn week departure clubs valuable members Someone Else ab sence has created vacancy will difficult fill us years did far normal persons work Whenever leadership mentioned wonderful person always looked inspiration well results Whenever job posi tion filled meeting attend name always everyones lipsLet Someone Else Whenever have chance partic ipate club remember cant depend Someone Else anymore another issue Flightline Newsletter discovered article Mark Rothan titled RC Controlling Life article test determine RC taking over life Try I On last birthday received gift considered RC productscore point 2-3 RC giftsscore 2 points exclusively RC gifts score 3 points 2 have ever considered possibility mowing lawn RC score 3 points 3 have missed two meals last month because RCscore 2 points 4 received RC-oriented mail last month bills monthscore 5 points 5 bought van truck transport RC equip mentscore 7 points 6 wifes list takes back seat RC projectscore 3 points 7 youve missed wedding other important events involving someone immediate family because RCscore 7 points 8 carry picture RC air plane walletscore 5 points 9 Score 2 points flyable airplane own plus point crashed unfinished awaiting attention Subtract point year have involved RC 10 have called sick gone home early used some excuse work go flying RCscore 5 points II group tall thick leafy trees makes hands sweatscore 3 points 12 wife ever came special smile wearing spe cial nightie asked coming bed chose building over bedscore 10 points results divided four categories signifying particular level concern 0-15 points. No cause concern What doing hobby anyway 16-30 points Moderate RC just hobby kept check should able lead semi-normal life 31-45 points . High Note warning signs Get help still can May AMA help 46 points above. Radio Control out control Complete lack perspective range check life 10 feet should grounded took test scored -2 course 28 years hobby netted -20 item 9 helped way editor Flighiline News letter has enviable task Most issues have con tributions 12 IS club members As former newsletter editor can appreciate good must make club editor feel Most club newsletter editors would startled have contributions have contributors indicates Greater Cincinnati Radio Control Club must healthy Apparently Someone Else doesnt have much club Its certainly great time stocking up 42 Model Aviation con see iou mucn Ci Inc aerunivucitiug un uu ssnv n.nnc flu Argentinians did up rightl Between AprIl 5-11 irwy neid 4th Panamerlcan Chansp.sus AmerIcan ChampIonships 36th Argentine Natal Pattern super-Star Daniel Faico ArgentirHa win, three top-place Pattern trophies contests extra servos new servos great prices cheap dont know World En gines can sell S-I S-2l servos dealers low whether theyre special Royal Titan Mini Titan servos priced low too servo really startles Kraft KPS-22 its powerful water proof has isolated potentiometer can get sources under $20 As long Im expressing amazement does JR manage sell 4-channel radio com plete batteries charger under $100 wasnt long ago fork out least $200 4-channel radio system no matter what quality old-timers remember Bonner Digimite 8-channel system used retail $800 back mid 1960s good old days cant compare radios right now Recently several modelers asked explain put lightweight fiberglass cloth wings horizontal tails airplanes covered column some time ago because recurring general interest think bears repeating real trick doing good job applying glass cloth apply balsa wing skin before wing skin attached foam wing stab prepare 1/16-in balsa wing skins over lap wing stab least / 4-in way around allow minor application errors skin has prepared sand both sides smooth using orbital sander good flat surface Phoenix 8 took four skins cover wing because leading edge flat However wings wrap skin around leading edge two needed course difficult prepare skin cover both top bottom wing like results better trying shave leading edge block shape problem people have wrapping wing skin around leading edge tends split necessitating use magic elixirs like ammo nia water leading edge area wing skin technique need never worry about wing skin splitting around lead ing edge again After sanding complete entire skin should vacuumed get rid balsa dust cut lightweight glass cloth just slightly oversize dont waste Scottish ancestry asserting itself attach glass cloth balsa skins using Dave Browns Epoxy Kit Other epoxy products may work well Epoxy Kit gives 30 minutes working time sands well less expensive some other products place balsa skin table covered waxed paper hold glass cloth skin brush epoxy through glass cloth balsa skin glass cloth may tend move around bit epoxy brushed its no problem pull back place After epoxy applied excess should removed best way Ive found use roll toilet paper short section broomstick through center Roll paper surface tends roll itself rather Continued page 117 Ace.The Best Radio Control Ace R/C proud introduce TachMaster Ace TachMaster optically coupled analog tachometer easy read easy use Accurate measurement model aircraft engine performance extremely import ant upkeep prop selection selection par ticular aircraft design Sport competition flyers alike need nothing less excellent tachometer accomp lish Ace TechMaster created provide required accuracy ease use non confusing meter scala cost less half of so-called Super tache TachMaster features dual range 0-5000 RPM 0-25000 RPM makes extremely accurate versatile instrument addition creating tachometer providesfine performance reasonable cost times have tried keep construction reasonably simple will provide first time kit builder great margin success Whether competition sport flyer Ace TechMaster must flight box Available kit form custom assembled 26K25-Ace TachMaster Kit 26K25C-Ace TechMaster Assembled $2995 $3995 FEC Chg gAteAn R/C world has waiting product 30 yearsl dependable feet/slow rate charger will safely rapidly charge both receiver transmitter batteries 1 2V DC source automatically cut back overnight charge rate Por 48V receiver 96V transmitter packs Charges 500 mah receiver pack 85% less hour Available kit form assembled Both furnished less connectors 34K40 FFC Kit 34K40CFFC aesem $2995 $3995 handy portable light weight dependable glow plug igniter engine uses 1200 mah Ni-cd call coniunction special Head lock glow plug conn ector quick easy starts. slips pocket total port ability Recharges over night ready next session need starting battery 38K75Nilite II Combo $1995 38K78Nilite II Igniter $1200 38K26Nilita II Charger $1000 Send $200 100 pagef catalog Ace products available dealer must order direct add $100 handling fee CgOe-@et Cyano-Set perfect mate Cyanoacrylate adhesives sprayed ioint glue instantly sets - dont have hold parts together fo what seems like forever waiting glue fire also allows ioining dissimilar materials out problem use cyanoacrylate adhesivesyou need Cyano-SetI 50L900-Cyano-Set 25 oz $399 AF E/ inc] Box ShE Higginsville Mo 64037 816584-7121 February 1983 43 Os tne 11 competitors 13th South American Championships starting back row L R Argentinians Daniel Falco Tullo Converset Vicente Amenduni Roberto lshkanian Brazilians Salvatore Pompei front rose Mario Watanabe P1mb Romano Sorry cant show color models riotously colorful Safety/Preston Continued page 14 printing entire letter However anyone desires receive copy SASE address end column will bring Basically what Kent suggesting weight limit around 90 lb multi-engine Scale models rationale permit modeling multi-engine aircraft same scale number popular 60- 90-powered singleengine models claims multi-engine bomber would have about six times weight single-engine fighter modeled same scale other words fighter weighs say 12 15 lb comparable bomber would come out about 72 90 lb letter states may ask make exception weight safety standpoint have seen aircraft flown example made above answer may easy Such aircraft fly relatively slowly very stable aerodynamicallyas would expected comparing performance its full-size counterpart type model also performs very little way serious aerobatic maneu vers reduces probability risk signifi cantly during flight start emphasizing engine displace ment limit such models instead present limiting weight have really placed signifi cant control kinetic energy achieved dur ing flight since aircraft above 55 lb would forced slower velocity attitude letter concludes following state ment Scale modeling community needs opportunity use 60- 90-size engines corresponding size weight airframe model four-engine aircraft achieve what Scale modeler striving fidelity scale nutshell seems should consider last paragraph ask ourselves ques tion Does Scale modeling community need use 60- 90-size engines multi-engine aircraft Bear mind unlike IMAA proposal Kent suggesting engine displacement limit increased last item regarding model size Coun cil referred AMA Safety Committee rules change proposal submitted Bill Nor throp Bills proposal Gen-84-9 published December 1982 issue MA page 114 would add another paragraph Section 4 Gen eral page 7 current rule book paragraph would state 43 Weight Limit Model aircraft weigh ing excess current maximum amount specified AMA competi tion category shall permitted fly AMA-sanctioned competitions AMA-insured activities AMA-in sured flying sites present time RC Giant Scale Section 53B page 83 rule book permits models up 40 lb weight maximum per mitted competition category So unless Giant Scale weight limit upped 55 lb conflict between Bills proposal Council-established weight limit Since no pro posal submitted increase Giant Scale weight limit Council has referred conflict Safety Committee resolution proper note AMA Safety Code weight-limit factor determines whether model covered AMA insurancenot competition rules comments receive address three items concerning maximum fiorndo PROPELLERS Made polyester boil color Go GRISH .the No 1 propeller True helical pitch airfoil win-power Sizes pitches styles needs AT YOUR DEALER 2 Blade Tractor 53each 5-45354ICc 6364SOc 747678SOc 8486687Db 949-69-7 9810410-6Nc 11411-611-8 1 12412-51264180 2 Blade Pusher 5, 3 5-4 6-36-4 SOc 8-6Nc 9-610-6*1 3 Blade Tractor 5-36364 SOc 3 Blade Pusher 6-3HOc Metalige Aluminum Color Tractor 7678 *1 8688$1 96 06104*150 Pusher106$1 GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes chance costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/8 BOREALL SIZES IN18 $7 6810 12 PITCH208 2210 24 13 IN 8 & 10 PITCH26$16 RIGHT HAND TRACTOR GRISH~HN INDIANA 46373 Way maintain nicads e ONLY $1 995 SIMPLE CYCLER pay another charger already own Cycle Rx Tx packs easy way throughout year SIMPLE CYCLER gives audible warning packs discharged level recommended manu facturer safely recharge radio systems charger can easily determine percentage power consumed remaining pack Simple sate cheap Connectors included #RED 22 See local hobby shop ucts made USA Send SASE full information CRam 4736 N Milwaukee Ave ago IL 60630 IF UNAVAILABLE LOCALLY ADD $100 FOR DIRECT ORDER NO COD **SAILPLANE**jam launching equipmentl UUI P40 CARD KIT hi-starts/winches/accessoriesFULL COLOR EXACT REPRODUCTION complete line/best prices/top qualityYt/4 sow $500 REM EMBER HOW send self-addressed stampedONLYWELL THEY FLEW envelope catalog/information -SpcII offr Inoludes roupon reusiring RL F PRODUCTS~ ~FIDo nd1 Te R3 Box 178-V Paoli IN 4745418121723-4310~Ak1UNIQUE NOSTALOIc OIFY model size will passed other members AMA Safety Committee suggest anyone wishing comment promptly column being written end October will see until December Pro con would like have input Have safe month John D Preston 7102 Elvira Ct Falls Church VA 22042 RC AerobaticsNan Putte Cont/nued page 43 other way youll end up balsa skin covered glass cloth toilet paper As toilet paper becomes soaked epoxy unroll turn two paper discard Continue rolling until toilet paper stops soaking up epoxy Look closely thejob did youll notice glass cloth securely stuck balsa skin foot two away becomes invisible can see balsa After allowing epoxy cure excess cloth can trimmed around edges balsa skin use water-soluble contact cement stick skin wing thats prefer ence Use whatever works you wrap skin around leading edge wing forget ammonia trick because glass cloth outside skin prevents crack ing Theres no magic just technique Next month plan cover perform Reverse Outside Loop Ron Van Putte 111 Sleepy Oaks Road Ft Walton Beach FL 32548 February 1983 117