U Bob UnderwoQd 5Sk Y@iiiKU N l 7 TT7 EARLIER IN THE SERIES talked little about trauma sometimes encountered selecting trainer aircraft Fortunately number good trainers available especially RC RC versions run gamut virtually ready built kits kits provide excellent instructions include equipment installation flight training suggestions As stated before control line sports fewer trainers available little ready-to-fly type Free flight reveals virtually middle last decade developed trainer ultimately wound up Model Aviation plans article masterpiece named Thingamabob designed allow variety flight modes First its RC trainer using three channels rudder elevator throttle Next can flown control line model Its best control line trainer due its wing area/weight ratio making little dicey wind Lastly features flight mode referred tethered RC Well explain option moment three flight modes may accomplished model set up using 25-size glow engine Electric motor power tail-dragger tricycle landing gear can shifted configuration another matter few minutes field control line anchored post center circle run through guide models wingtip attached metal plate anchored center gravity model clevis attaching rudder pushrod servo removed anchored place another metal plate model producing right turn rudder As model flies counterclockwise circle around center post right rudder produces tension line pilot stands outside circle controls elevator throttle Learning take off land can accomplished easily having worry about right left movement model works well confined areas can used indoorsespecially Electric model designed simple construction fuselage sides pieces 1/ x 3 x 36 balsa angle cut scored just behind wing angled straight tail dont have worry about two sides different stiffness inability bend equally Thingamabob ugly Modelers become attached aesthetic reasons designed thing act trainer Yes can induce roll have enough patience altitude distance Yes can coerce fly invertedfor dont try turn inverted Would bigger engine say 40 help What tethered RC 60-foot 021 steel Dont designed flies well K&B 25 Sportster airframe meant support power wish could get Thingamabob kit cant plans available through Model Aviations plan service see list page 176 issue Thingamabob plan #649 April 1990 issue accompanying article construction article may obtained through Membership Department Perhaps can finesse experienced modeler helping build Well provide some details center post tethered flight coming issue have numerous requests Misconception Management bookiet mentioned few months ago document provided through courtesy John Hunton Northern Virginia RC club poses series misconceptions about flying gives straight skinny about Well toss few direction over next few months Misconception model balances say Most model plans show balance CG center gravity point will well balance model point first flights What very few plans show however whether balance point shown model dry fueled flight-ready should balance model unfueled therefore err side noseheaviness reason will cut m 36 Model Aviation ained segment Model plans show CG point Full-scale aircraft specficatians express CG range forwardmost [sic] point rearwardmost point An understanding extremities will help realize balance point model can shifted optimize what want forward point balance aircraft point elevator effectiveness becomes limited CG too far forward elevator too weak lift nose enough proper rotation takeoff landing means model will take off land higher speeds necessary Controls will tend unresponsive air CG moved rearward controls will become more responsive until point reached model will become unstable uncontrollable Instability means inevitable crash two points glean above information subtle other very clear subtle point will able shift CG model attain control response wish As gain experience trainer shift CG rearward slightly liven up controls shorten takeoff landing distances other point very important unsure CG location err side noseheaviness overstability result tailheaviness instability catastrophe recent letter addresses basic problem thats tough solve became involved RC flying about two years ago 13 believe best hobby around Only its discouraging see other fliers old guys much experienced am Theres no talk level few years would great get together club field go flying weekends bunch kids problem theres shortage kids flying kids know modeling however have trouble staying interested because low incomes way friends can get other kids hobby successfully would greatly appreciate ideas suggestions achieve Dave Sandilands 53 Rolistone Ave West Sayville NY 11796 Dave really wish simple answers concerns cant much about lack money other say challenging relatively inexpensive aspects aeromodeling Certainly youre longing exotic high-tech things problem exists Its important remember present longtime modelers cut teeth simple inexpensive models too wish list unattainable goals early maintained interest moved level level opportunity presented itself skill allowed second problem indicate theres no talk level trust referring experience level since certainly should no talking down level experience problem encountering fault least part adults associating plea echoes just other young people NewComer 65 well Hopefully club has small cadre members can will talk NewComereze problem Dave convince Lets hope appeal will help create environment will improve situation last thought month contained long letter Richard E Frey Elmont New York indicates typical old newcomer having grown up U-Control models full ignition engines graduating gb-plugs too dropped out early fifties just Citizens Band 27 MHz single-channel radio being born problem fly live suburbs New York Cityan area probably congested US wide open spaces hard come have located four flying sites area through local hobby shop have no luck getting First locked up like Fort Knox unless built-in radar just locating site like mysterious treasure hunt no signs directions telephone number anything would help Richards letter goes detail frustrating attempts contact people ends stating has date delayed buying building model because still want fly put shelf have mailed him listing AMA chartered clubs club contacts area Unfortunately know experiences unusual Will someone Elmont New York area please contact him Richard E Frey Box 030010 Elmont NY 11003-0010 Right now looks like Richards address isnt part life thats filled zeros far modeling concerned 4AC t74WPXkOO Learn fly planes private field Five 6 day course $350 Open year round Send SASE complete info Southwest RC Flying 2818 Carolina NE Albuquerque NM 87110505-832-6394 Jet Propelled Turbojet Sounds Like Real Jet Plane Battery Pnwnred Push-Button Control FUN TO FLY ORDER TODAY---FLYA REALJET Only S23 Plus $4Q9 Postage Send Check Money Order flrdBre hinnaaI Prnmntlv April 1995 37 GBADE IMPORTED FROM ENGLAND FLOURESCENT FIBERGLASS ROTOR BLADES 80 SIZE 640 REFLEX BICONVEXSYMETRIC . 11999 80 SIZE 980 SYMETRICAL 11980 4048 FITS MOSKITOX-CELL 40 7499 2 SIZE 6999 MINATURE AIRCRAFT XCELL 80 HELl KIT59999 K-CELL 00 CUSTOM KIT 94 VERSION09999 X-CELL4O HELICOPTER KIT49999 X-CELL GAS NEW99999 K-CELL PRO NEW114999 K-CELL PRO CONy KIT NEW36999 K-CELL 30 HELICOPTER KIT 36999 CARL GOLDBERG MODELS SUKHOISU3O 14499 NEWS liGER 65 9499 SUPER CHIPMUNK 19999 ULTIMATE BI-PLANE 12999 EXTRA 300 80-129 POWER 11999 rdsbe EXTENSIVE WE ACCEPT ViSA MASTERCARD & DISCOVER CARDS WE GLADLY SHIP COD SHIPPING & HANDUNG $800 PER KIT CONTINENTAL USA OTHER AREAS CALL KY RESIDENTS ADD 8% SALES TAX HOBBY HANGAR ISA FULL SERViCE HOBBY SHOP WITH OVER 11000 ITEMS IN STOCK 1994 CATALOGS AVAILABLE CALL FOR YOURS TODAY HOBBY HANGAR 153 LLOYD AVENUEFLORENCE KY 41942 806283-5748 6062824806 FAX ISCES SUBJECT TO CHANGE AT ANY TIME LEX114993194 SKYFLEX 288 NEWI114993294 SKYFLEX V GLOW137993208
Edition: Model Aviation - 1995/04
Page Numbers: 36, 37
U Bob UnderwoQd 5Sk Y@iiiKU N l 7 TT7 EARLIER IN THE SERIES talked little about trauma sometimes encountered selecting trainer aircraft Fortunately number good trainers available especially RC RC versions run gamut virtually ready built kits kits provide excellent instructions include equipment installation flight training suggestions As stated before control line sports fewer trainers available little ready-to-fly type Free flight reveals virtually middle last decade developed trainer ultimately wound up Model Aviation plans article masterpiece named Thingamabob designed allow variety flight modes First its RC trainer using three channels rudder elevator throttle Next can flown control line model Its best control line trainer due its wing area/weight ratio making little dicey wind Lastly features flight mode referred tethered RC Well explain option moment three flight modes may accomplished model set up using 25-size glow engine Electric motor power tail-dragger tricycle landing gear can shifted configuration another matter few minutes field control line anchored post center circle run through guide models wingtip attached metal plate anchored center gravity model clevis attaching rudder pushrod servo removed anchored place another metal plate model producing right turn rudder As model flies counterclockwise circle around center post right rudder produces tension line pilot stands outside circle controls elevator throttle Learning take off land can accomplished easily having worry about right left movement model works well confined areas can used indoorsespecially Electric model designed simple construction fuselage sides pieces 1/ x 3 x 36 balsa angle cut scored just behind wing angled straight tail dont have worry about two sides different stiffness inability bend equally Thingamabob ugly Modelers become attached aesthetic reasons designed thing act trainer Yes can induce roll have enough patience altitude distance Yes can coerce fly invertedfor dont try turn inverted Would bigger engine say 40 help What tethered RC 60-foot 021 steel Dont designed flies well K&B 25 Sportster airframe meant support power wish could get Thingamabob kit cant plans available through Model Aviations plan service see list page 176 issue Thingamabob plan #649 April 1990 issue accompanying article construction article may obtained through Membership Department Perhaps can finesse experienced modeler helping build Well provide some details center post tethered flight coming issue have numerous requests Misconception Management bookiet mentioned few months ago document provided through courtesy John Hunton Northern Virginia RC club poses series misconceptions about flying gives straight skinny about Well toss few direction over next few months Misconception model balances say Most model plans show balance CG center gravity point will well balance model point first flights What very few plans show however whether balance point shown model dry fueled flight-ready should balance model unfueled therefore err side noseheaviness reason will cut m 36 Model Aviation ained segment Model plans show CG point Full-scale aircraft specficatians express CG range forwardmost [sic] point rearwardmost point An understanding extremities will help realize balance point model can shifted optimize what want forward point balance aircraft point elevator effectiveness becomes limited CG too far forward elevator too weak lift nose enough proper rotation takeoff landing means model will take off land higher speeds necessary Controls will tend unresponsive air CG moved rearward controls will become more responsive until point reached model will become unstable uncontrollable Instability means inevitable crash two points glean above information subtle other very clear subtle point will able shift CG model attain control response wish As gain experience trainer shift CG rearward slightly liven up controls shorten takeoff landing distances other point very important unsure CG location err side noseheaviness overstability result tailheaviness instability catastrophe recent letter addresses basic problem thats tough solve became involved RC flying about two years ago 13 believe best hobby around Only its discouraging see other fliers old guys much experienced am Theres no talk level few years would great get together club field go flying weekends bunch kids problem theres shortage kids flying kids know modeling however have trouble staying interested because low incomes way friends can get other kids hobby successfully would greatly appreciate ideas suggestions achieve Dave Sandilands 53 Rolistone Ave West Sayville NY 11796 Dave really wish simple answers concerns cant much about lack money other say challenging relatively inexpensive aspects aeromodeling Certainly youre longing exotic high-tech things problem exists Its important remember present longtime modelers cut teeth simple inexpensive models too wish list unattainable goals early maintained interest moved level level opportunity presented itself skill allowed second problem indicate theres no talk level trust referring experience level since certainly should no talking down level experience problem encountering fault least part adults associating plea echoes just other young people NewComer 65 well Hopefully club has small cadre members can will talk NewComereze problem Dave convince Lets hope appeal will help create environment will improve situation last thought month contained long letter Richard E Frey Elmont New York indicates typical old newcomer having grown up U-Control models full ignition engines graduating gb-plugs too dropped out early fifties just Citizens Band 27 MHz single-channel radio being born problem fly live suburbs New York Cityan area probably congested US wide open spaces hard come have located four flying sites area through local hobby shop have no luck getting First locked up like Fort Knox unless built-in radar just locating site like mysterious treasure hunt no signs directions telephone number anything would help Richards letter goes detail frustrating attempts contact people ends stating has date delayed buying building model because still want fly put shelf have mailed him listing AMA chartered clubs club contacts area Unfortunately know experiences unusual Will someone Elmont New York area please contact him Richard E Frey Box 030010 Elmont NY 11003-0010 Right now looks like Richards address isnt part life thats filled zeros far modeling concerned 4AC t74WPXkOO Learn fly planes private field Five 6 day course $350 Open year round Send SASE complete info Southwest RC Flying 2818 Carolina NE Albuquerque NM 87110505-832-6394 Jet Propelled Turbojet Sounds Like Real Jet Plane Battery Pnwnred Push-Button Control FUN TO FLY ORDER TODAY---FLYA REALJET Only S23 Plus $4Q9 Postage Send Check Money Order flrdBre hinnaaI Prnmntlv April 1995 37 GBADE IMPORTED FROM ENGLAND FLOURESCENT FIBERGLASS ROTOR BLADES 80 SIZE 640 REFLEX BICONVEXSYMETRIC . 11999 80 SIZE 980 SYMETRICAL 11980 4048 FITS MOSKITOX-CELL 40 7499 2 SIZE 6999 MINATURE AIRCRAFT XCELL 80 HELl KIT59999 K-CELL 00 CUSTOM KIT 94 VERSION09999 X-CELL4O HELICOPTER KIT49999 X-CELL GAS NEW99999 K-CELL PRO NEW114999 K-CELL PRO CONy KIT NEW36999 K-CELL 30 HELICOPTER KIT 36999 CARL GOLDBERG MODELS SUKHOISU3O 14499 NEWS liGER 65 9499 SUPER CHIPMUNK 19999 ULTIMATE BI-PLANE 12999 EXTRA 300 80-129 POWER 11999 rdsbe EXTENSIVE WE ACCEPT ViSA MASTERCARD & DISCOVER CARDS WE GLADLY SHIP COD SHIPPING & HANDUNG $800 PER KIT CONTINENTAL USA OTHER AREAS CALL KY RESIDENTS ADD 8% SALES TAX HOBBY HANGAR ISA FULL SERViCE HOBBY SHOP WITH OVER 11000 ITEMS IN STOCK 1994 CATALOGS AVAILABLE CALL FOR YOURS TODAY HOBBY HANGAR 153 LLOYD AVENUEFLORENCE KY 41942 806283-5748 6062824806 FAX ISCES SUBJECT TO CHANGE AT ANY TIME LEX114993194 SKYFLEX 288 NEWI114993294 SKYFLEX V GLOW137993208