FREE FLIGHT SPORT SCALE NEW TWIST Old Trick Wed chuffed little mint balls put something about column said Eric Marsden note accompanying cleverest additions rubber model hardware Ive ever seen device made renowned British firm Knight Pridham K P takes bother out thrust adjustments small rubber models ingenious snap-together assembly consisting five parts its made toughest plastic imaginable comes two adjusting wrenches After playing can certainly say too am chuffed little mint balls about need downthrust side thrust noncontroversial downthrust keeps nose down under power right thrust counteracts torque reaction spinning propeller Traditional slant-drilled nose buttons speak needs have around since 30s type nose button can set maximum downthrust angle drilled hole combination downand side thrust nose plug rotated its socket downthrust diminishes side thrust increased plug rotated 900 maximum-down position side thrust Therein lies its weakness relationship seldom optimal no way add little downthrust once best side thrust setting foundexcept shimming top nose block reason tried slant-drilled button first place avoid shims new K P nose-button assembly changes everything K P assembly improves old slant-drilled button increasing range possible adjustmentit adds second angle adjustment can altered primary angle being changed As add side thrust turning major adjusting ring can simultaneously turn minor adjusting ring retain starting downthrust angle Adjusting model has never easier once clear concept two adjusting rings friction fit rear round inside square nose plug incorporate eccentric holes move angle bearing ball stem unit Studying diagram photo will help picture works rings turned both eccentric holes top dead center TDC youll have approximately 100 downthrust no side thrust major rings hole TDC minor ring latter lodged inside eccentric hole former turned 900 left adjustment gives approximately 50 downthrust 20 right thrust major ring rotated approximately 450 left minor ring set its own eccentric TDC gets 50 down 20 right K P nose button 1 Plug Shell 2 Major Adjusting Ring 3 Minor Adjusting Ring 4 Bearing Ball Stem Theres way skin catthe possibilities almost endless urge make reference mark point adjustment hole closest periphery ring can keep better visual picture what doing make changes Note moving rear bearing block left will give right thrust little adjustment wrenches could easily lost perhaps drilling hole flagging bit red silk similar might order save weight socket ring could dispensed use balsa nose bulkhead model equal thickness depth plug-in Keep fit snug Mark top plug felt-tip pen Anyone has ever accidentally put nose block downthrust upside-down can tell about resulting excitement following flight little key molded stock socket groove nose plug match largely ineffective found could shove nose plug position no discernible change resistance tried filing away key square socket got much nicer not-too-snug fit little wonder available Knight Pridham Castle Road Rowlands Castle Hampshire P09 6AS England UK Tel 01705 412172 Fax 01705 412178 nose button $4 two $6 request send US dollars ie cash Other methods payment have too much shrinkage small item like Simple Modification Peck Nose Buttons problem making aluminum-tube bearings spinners wheels nose-block bearings 047 music wire sloppy fit 062 ID tubing Tom Arnold famous San Diego Scale Staffel takes piece /8-inch tubing shoves small Peck-Polymers PAO19 black nose 108 Model Aviation 12 traditional wooden slant-drilled nose button Twisting provides combination down- side thrust two friction-fit eccentric rings rear K P nose K P nose button consists five durable snap-together assembly have wrench flats easy thrust adjustment plastic pafls two adjustment wrenches included button end tubing cutting off head applicable result extended bearing runs smoothly fits perfectly Turn Bubble Machine No isnt Lawrence Welk talkingthats FF modeler seriously seeking long flight his/her model search elusive thermal takes forms methods include getting fresh haircut using tall pole Mylar streamer conjunction thermistor piggybacking buzzards blowing fluffies dried cattail fluff breeze us heavy models sometimes toss handful gravel airwhen stays up fly drawbacks some above thermal-detection methods however Attending big Free Flight meet often like flying forest poles Mylar streamers looking world like antenna farm Fluffies popular people close downwind have breathe cheap clever way spot lift antagonize fellow modelers use bubble gun got drugstore $6 pour some bubble liquid stand 30 50 feet upwind person launching model breeze calms thermal building turn crank let out stream bubbles rise happily skyward time fly Cottage Wings Resource Guide looking latest plans clubs materials documentation books etc useful FF Scale modeler guarantee annotated list will use last count contained 16000 words Send dollar bill cover printing costs 4 x 9/2-inch self-addressed stamped envelope 55 cents postage Bill Warner 1370 Monache Ave Porterville CA 93257 New additions just month include CO2 engines made Daniel Baird just-out kits Dave Diels Scientext sources computer software latest plan packs Flying Aces Domedusters plans photo-etched parts Gregovsky huge collection WW earlier plans Smileys lots Flying Scale Oak Leaf EF Flying Scale oak leaf pictured made unnamed friend Hollands Wijnand De Zoode fun-flying mind powered popular Gasparin G-3 mini CO2 engine weighs 34 grams 175mm across 227mm long Its covered two layers condenser tissue put together spray cement thin aluminum adjustment points around sprayed brown ink alcohol realistic finish thinking building take note dihedral reflex rear Remember lighter slower can made fly easier will adjust Reader Survey Piracy started explore issue plan piracy bootlegging commercial sale proprietary plans no permission has given payment made After writing about three pages worth realized over head facets situation recently brought attention couple highly-respected members model community thought would see what have say topic Drop card letter answers following questions hopefully will able incorporate results future column 1 know anyone selling plans permission plan designer owner its rights 2 Would buy plan knew pirated 3 legal ethical problem both neither 4 plan dealers sell bootlegged plans promote harm modeling hobby 5 What can/should done about plan piracy important part Well gang until next time heres some advice Seniors among us have three ways go get older dont feel like chasing models much anymore 1 Make heavier models dont fly far 2 Take up Indoor flying 3 Hire kid chase youits cheaper trips emergency room maybe kidll get interested FF Scale ber 1996 109 Gasparin-powered Flying Scale oak leaf constructed fun-flying session Holland weighs 34 grams $6 hand-cranked bubble machine can help identify thermal activity came drugstore Warner photo Swedens Thomas Hultgren builds trophy-winning Indoor rubber models BUcker Jungmann good example work
Edition: Model Aviation - 1996/10
Page Numbers: 108, 109
FREE FLIGHT SPORT SCALE NEW TWIST Old Trick Wed chuffed little mint balls put something about column said Eric Marsden note accompanying cleverest additions rubber model hardware Ive ever seen device made renowned British firm Knight Pridham K P takes bother out thrust adjustments small rubber models ingenious snap-together assembly consisting five parts its made toughest plastic imaginable comes two adjusting wrenches After playing can certainly say too am chuffed little mint balls about need downthrust side thrust noncontroversial downthrust keeps nose down under power right thrust counteracts torque reaction spinning propeller Traditional slant-drilled nose buttons speak needs have around since 30s type nose button can set maximum downthrust angle drilled hole combination downand side thrust nose plug rotated its socket downthrust diminishes side thrust increased plug rotated 900 maximum-down position side thrust Therein lies its weakness relationship seldom optimal no way add little downthrust once best side thrust setting foundexcept shimming top nose block reason tried slant-drilled button first place avoid shims new K P nose-button assembly changes everything K P assembly improves old slant-drilled button increasing range possible adjustmentit adds second angle adjustment can altered primary angle being changed As add side thrust turning major adjusting ring can simultaneously turn minor adjusting ring retain starting downthrust angle Adjusting model has never easier once clear concept two adjusting rings friction fit rear round inside square nose plug incorporate eccentric holes move angle bearing ball stem unit Studying diagram photo will help picture works rings turned both eccentric holes top dead center TDC youll have approximately 100 downthrust no side thrust major rings hole TDC minor ring latter lodged inside eccentric hole former turned 900 left adjustment gives approximately 50 downthrust 20 right thrust major ring rotated approximately 450 left minor ring set its own eccentric TDC gets 50 down 20 right K P nose button 1 Plug Shell 2 Major Adjusting Ring 3 Minor Adjusting Ring 4 Bearing Ball Stem Theres way skin catthe possibilities almost endless urge make reference mark point adjustment hole closest periphery ring can keep better visual picture what doing make changes Note moving rear bearing block left will give right thrust little adjustment wrenches could easily lost perhaps drilling hole flagging bit red silk similar might order save weight socket ring could dispensed use balsa nose bulkhead model equal thickness depth plug-in Keep fit snug Mark top plug felt-tip pen Anyone has ever accidentally put nose block downthrust upside-down can tell about resulting excitement following flight little key molded stock socket groove nose plug match largely ineffective found could shove nose plug position no discernible change resistance tried filing away key square socket got much nicer not-too-snug fit little wonder available Knight Pridham Castle Road Rowlands Castle Hampshire P09 6AS England UK Tel 01705 412172 Fax 01705 412178 nose button $4 two $6 request send US dollars ie cash Other methods payment have too much shrinkage small item like Simple Modification Peck Nose Buttons problem making aluminum-tube bearings spinners wheels nose-block bearings 047 music wire sloppy fit 062 ID tubing Tom Arnold famous San Diego Scale Staffel takes piece /8-inch tubing shoves small Peck-Polymers PAO19 black nose 108 Model Aviation 12 traditional wooden slant-drilled nose button Twisting provides combination down- side thrust two friction-fit eccentric rings rear K P nose K P nose button consists five durable snap-together assembly have wrench flats easy thrust adjustment plastic pafls two adjustment wrenches included button end tubing cutting off head applicable result extended bearing runs smoothly fits perfectly Turn Bubble Machine No isnt Lawrence Welk talkingthats FF modeler seriously seeking long flight his/her model search elusive thermal takes forms methods include getting fresh haircut using tall pole Mylar streamer conjunction thermistor piggybacking buzzards blowing fluffies dried cattail fluff breeze us heavy models sometimes toss handful gravel airwhen stays up fly drawbacks some above thermal-detection methods however Attending big Free Flight meet often like flying forest poles Mylar streamers looking world like antenna farm Fluffies popular people close downwind have breathe cheap clever way spot lift antagonize fellow modelers use bubble gun got drugstore $6 pour some bubble liquid stand 30 50 feet upwind person launching model breeze calms thermal building turn crank let out stream bubbles rise happily skyward time fly Cottage Wings Resource Guide looking latest plans clubs materials documentation books etc useful FF Scale modeler guarantee annotated list will use last count contained 16000 words Send dollar bill cover printing costs 4 x 9/2-inch self-addressed stamped envelope 55 cents postage Bill Warner 1370 Monache Ave Porterville CA 93257 New additions just month include CO2 engines made Daniel Baird just-out kits Dave Diels Scientext sources computer software latest plan packs Flying Aces Domedusters plans photo-etched parts Gregovsky huge collection WW earlier plans Smileys lots Flying Scale Oak Leaf EF Flying Scale oak leaf pictured made unnamed friend Hollands Wijnand De Zoode fun-flying mind powered popular Gasparin G-3 mini CO2 engine weighs 34 grams 175mm across 227mm long Its covered two layers condenser tissue put together spray cement thin aluminum adjustment points around sprayed brown ink alcohol realistic finish thinking building take note dihedral reflex rear Remember lighter slower can made fly easier will adjust Reader Survey Piracy started explore issue plan piracy bootlegging commercial sale proprietary plans no permission has given payment made After writing about three pages worth realized over head facets situation recently brought attention couple highly-respected members model community thought would see what have say topic Drop card letter answers following questions hopefully will able incorporate results future column 1 know anyone selling plans permission plan designer owner its rights 2 Would buy plan knew pirated 3 legal ethical problem both neither 4 plan dealers sell bootlegged plans promote harm modeling hobby 5 What can/should done about plan piracy important part Well gang until next time heres some advice Seniors among us have three ways go get older dont feel like chasing models much anymore 1 Make heavier models dont fly far 2 Take up Indoor flying 3 Hire kid chase youits cheaper trips emergency room maybe kidll get interested FF Scale ber 1996 109 Gasparin-powered Flying Scale oak leaf constructed fun-flying session Holland weighs 34 grams $6 hand-cranked bubble machine can help identify thermal activity came drugstore Warner photo Swedens Thomas Hultgren builds trophy-winning Indoor rubber models BUcker Jungmann good example work