Gary Shaw flLy Safety Alert AMA Web Page wwwmodelaircraftorg An AMA member recently severely burned model fuel can exploded being opened received very severe burns requiring extensive grafting facing long recovery period metal can trying open storage over 20 years no evidence external spark ignition source other container itself Consultation experts field indicates materials such ether propylene oxide nitromethane commonly used model fuels may become destabilized shock sensitive over period time As best can determine fuel composition included two substances state change probable change combination heat generated friction metal metal trying open container initiated explosion AMA advises would unwise open fuel containing products have stored some period time metal containers Such fuel should taken Hazardous Waste disposal facility Any fuel stored over 5 years would suspect Always use fresh fuel Columnists Note Although Im unaware similar accidents date Ive written past about things consider storing fuel accidents d occurred because leaking fuel vapors caught fire told modeler refilling flight box fuel can near gas water heater vapors found heaters pilot light causing explosion fire injuries modeler another instance vapors leaking field box fuel can caught fire loose field box tool touched can field box battery An arc formed fire touched off explosion destroyed field box spraying burning fuel nearby modelers Several injured grass fire ensued Another story involved full fuel can exploded spark connectors exterior fuel pump somehow sparked ignited freshly pumped fuel top can Burning methanol caught ground around flight box fire person received minor burns trying put out cases described interesting point lack mention fire extinguishers being employed Methanol interesting substance burns alcohol does very hot almost invisible Ive scorched modelers tell during accidents felt severe burning saw no fire modeler saw plastic watch melt hurriedly tried remove point realized much hand fire wrapped coat smother flames Although received third ee burns quick thinking prevented serious injuries Fuel does extremely well what designed burns As result should stored areas leaks can cleaned up fire starts can extinguished quickly minimal damage dont think extra room house bedroom closet will work store fuel upper shelf shed vented free solvents rags paints chargers etc usually have hand what plan use season although years past probably much 50 gallons time know club gets together buys big can 50 gallons fuel interested show up buy share People such myself get greedy end up theyll need notice leaks anything wrong containers transfer contents new container possible discard rule thumb doubt throw out Unless Im burning up sky approaching event really dont use much fuel dont need keep much hand guess would wiser get need let people manufacture deal hazard Nuff said April 1999 83 OLD TIME RUBBER PLANS AND LASER CUT PARTS Yoav~ L1 JMMIEAUIII mUEIRD TJ FLYSNOACES MOTh 24 5n CoevwaI Robber P1nOOOO Parts Oil 00 Lanzo Classic 21$ Sq VAOdd PIa $700 Pb $2000 JIMMIE ALLEN BA CABIN P1n 800 P05 $800 Al CASANOS CHAMPIONSHIP STICK 4tflIITEIFL5O LANZO PUSS MOTh Plan $700 Pt $2000 Art Horaks Wander 3-E MAN Sn FAC OT 0108 Plan 0700 part 01500 PtEAS0 AD $4 N FOR POSTAGK Introducing new line old time plans Laser cut parts Plans CAD ckawn Jim OReilly Jim has over 60 old lime rubber gas plans laser cut kits te designed fly Call SAM list pans laser cut own 50 walt laser Laser engraved contest plaques available BOB HOLMAN PLANS P 0 BOX 741 SAN BERNARDINO CA 92402 909 885 3959 FAX 889 9307 Buddy Box Flying best ways learn fly assistance patient instructor good buddy box system Although transmitters manufactured have feature built care must taken ensure compatibility before heading off flying field Once compatibility determined both transmitters properly set up student can burn up sky confidence knowledge flip switch instructor can quickly recover bad maneuver aware trainer cords long kept away feet can quickly entangle cause someone trip get disconnected hopefully instructor prevent becoming entangled disconnected during flight check make sure slack hands ground An ounce prevention case can worth pound cure Servo FlutterElectronic Mechanical airplane passes seems getting hit isnt responding commands appropriately Doing safe thing land notice ailerons jittering back forth Radio interference suspected interference bad radio pot transmitter possibly receiver problems Having similar experiences Clay Ramskill described what affected airplane solution problem servo fluttermy term move servo side other let go stick servo doesnt stop center passes through hunting back forth few cycles connected control surface looks like servo makes control surface flutter around its trim position phenomenon happened before current airplanes afflicted ailerons crashed delta model elevator failure some time ago after developed case elevon servo flutter never figured out real cause fair prices sensible quanlities fas teners need model building call write fax Free catalog Micro Fasteners800-892-6917 110 Hillcrest Road908-806-4050 Flemington NJ 08822fax 908-788-2607 e-mail microf@blaofnef Internelhffp//mkrefasfenerorom 84 Model Aviation OWER LESS HASSLE MORE FUN Dieselize Davis Diesel Its Awesome * Up 50% Power Twice Long Same Easy Starting e Sound No Glow Plugs Davis Diesel Heads Over 100 models 049-36w Worlds largest prodocer Model Diesel Fuels Transforms 25 to 40 Cu 40 to 60 040506t 90 71\YEMl/k.RO5A90 too 12$ 4cHwol c DAVIS P0 Box 141 Dept MA evi CT 06460 877-1670 rCpe$0 Fo rot pocLer errd 54OOcrtdiroppIiedrofirtordel EI\ Uur 4-40x1/2 socket caps sell S435/1 00 alloy steel S665/100 stainless S750/50 aluminum Howard asked day what caused flutterone models doing ailerons also unable give decent answer Sometime later Howard observed able cure flutter problem plugging unplugging aileron extension plug servo surmised contacts plug dirty corroded plugging several times might tend clean contacts enough problem might temporarily cured dont know enough about electronics involved really pin down exact cause effect obvious Howard something Recent events have proved Howards theory After rainy weather corrosion inducing aileron servo flutter entered worse stage o super-slow slowly fluttered sometimes did work Replugging aileron plug 4 5 times improved situationthe servo worked normally Later replacing aileron extension completely solved problem Discussing Howard comes together servo flutter problems have occurred conjunction aileron extension including deltas elevons b both us have aileron extensions use could considered ancient c both have tended use good newer servo aileronsbut never paid much attention extension d nothing lasts forever retrospect think about itthe plug aileron extension used except charging plug gets wrenched around jerked quite often left vibrate around plane fly So possibility failing after years use dirt corrosion wire breakage high flutter Thank goodness again airplanes trying tell theres problem Thats month safe fly responsibly 4I 41 1 mIsI4IJiTd i [1 ques Military Civilian Helicopters Sailpianes have worlds largest aircraft documentation 7400 different full color photo studies 1903-1998 350003-view line drawings 1999 Catalog/Guide 228 pages flAilConads/Mes co $1000 Only $ QVYEpe$1500 Bob Bankas AIRCRAFT DOCUMENTATION 3114 Yukon Avenue a Mesa CA 92626 714 979-8058 htto//wwwimtnet/ims/scalehtml Piece Fiberglass Fuselage Integral Vertical Fin Panel Lines Molded Fiberglass Cowl Canopy Frame Belly Pan Ailerons Flaps Elevators Rudder other Scale Details Pro-balanced Fiberglass Ailerons Balsa Presheeted Foam Core Wings Horizontal Stabilizer LE Installed le Installation ot Retracts Pro-installed Plywood Plates Wheel Well Openings Routed Wing Aileron Flap Servo Openings Routed Wings um Formed Clear Canopy Three Sheets Pressure Sensitive Decal IDJiibsj St0T%S SPITFIRE A6M5 ZERO CAP-lOB ____________________ AND SCALE JETSExcellence Enginwing Send $4 00 wthn USA $10 00 IQuality ManufacturIngL-411# world Product Pack 203 Mass Ave Lexington MA 02420 Tel 781 674-9898 Fax 781674-2288 Price subject change prior notice shipping handling extra YELLOW AIRCRAFT INTERNATIONAL April 1999 87 c sf $53500 DELUXE KIT FEATURES RC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far western North Carolina Write call information RC Flight Training 1635 Setawig Rd Brasstown NC 28902 828-389-8968
Edition: Model Aviation - 1999/04
Page Numbers: 83, 84, 87
Edition: Model Aviation - 1999/04
Page Numbers: 83, 84, 87
Gary Shaw flLy Safety Alert AMA Web Page wwwmodelaircraftorg An AMA member recently severely burned model fuel can exploded being opened received very severe burns requiring extensive grafting facing long recovery period metal can trying open storage over 20 years no evidence external spark ignition source other container itself Consultation experts field indicates materials such ether propylene oxide nitromethane commonly used model fuels may become destabilized shock sensitive over period time As best can determine fuel composition included two substances state change probable change combination heat generated friction metal metal trying open container initiated explosion AMA advises would unwise open fuel containing products have stored some period time metal containers Such fuel should taken Hazardous Waste disposal facility Any fuel stored over 5 years would suspect Always use fresh fuel Columnists Note Although Im unaware similar accidents date Ive written past about things consider storing fuel accidents d occurred because leaking fuel vapors caught fire told modeler refilling flight box fuel can near gas water heater vapors found heaters pilot light causing explosion fire injuries modeler another instance vapors leaking field box fuel can caught fire loose field box tool touched can field box battery An arc formed fire touched off explosion destroyed field box spraying burning fuel nearby modelers Several injured grass fire ensued Another story involved full fuel can exploded spark connectors exterior fuel pump somehow sparked ignited freshly pumped fuel top can Burning methanol caught ground around flight box fire person received minor burns trying put out cases described interesting point lack mention fire extinguishers being employed Methanol interesting substance burns alcohol does very hot almost invisible Ive scorched modelers tell during accidents felt severe burning saw no fire modeler saw plastic watch melt hurriedly tried remove point realized much hand fire wrapped coat smother flames Although received third ee burns quick thinking prevented serious injuries Fuel does extremely well what designed burns As result should stored areas leaks can cleaned up fire starts can extinguished quickly minimal damage dont think extra room house bedroom closet will work store fuel upper shelf shed vented free solvents rags paints chargers etc usually have hand what plan use season although years past probably much 50 gallons time know club gets together buys big can 50 gallons fuel interested show up buy share People such myself get greedy end up theyll need notice leaks anything wrong containers transfer contents new container possible discard rule thumb doubt throw out Unless Im burning up sky approaching event really dont use much fuel dont need keep much hand guess would wiser get need let people manufacture deal hazard Nuff said April 1999 83 OLD TIME RUBBER PLANS AND LASER CUT PARTS Yoav~ L1 JMMIEAUIII mUEIRD TJ FLYSNOACES MOTh 24 5n CoevwaI Robber P1nOOOO Parts Oil 00 Lanzo Classic 21$ Sq VAOdd PIa $700 Pb $2000 JIMMIE ALLEN BA CABIN P1n 800 P05 $800 Al CASANOS CHAMPIONSHIP STICK 4tflIITEIFL5O LANZO PUSS MOTh Plan $700 Pt $2000 Art Horaks Wander 3-E MAN Sn FAC OT 0108 Plan 0700 part 01500 PtEAS0 AD $4 N FOR POSTAGK Introducing new line old time plans Laser cut parts Plans CAD ckawn Jim OReilly Jim has over 60 old lime rubber gas plans laser cut kits te designed fly Call SAM list pans laser cut own 50 walt laser Laser engraved contest plaques available BOB HOLMAN PLANS P 0 BOX 741 SAN BERNARDINO CA 92402 909 885 3959 FAX 889 9307 Buddy Box Flying best ways learn fly assistance patient instructor good buddy box system Although transmitters manufactured have feature built care must taken ensure compatibility before heading off flying field Once compatibility determined both transmitters properly set up student can burn up sky confidence knowledge flip switch instructor can quickly recover bad maneuver aware trainer cords long kept away feet can quickly entangle cause someone trip get disconnected hopefully instructor prevent becoming entangled disconnected during flight check make sure slack hands ground An ounce prevention case can worth pound cure Servo FlutterElectronic Mechanical airplane passes seems getting hit isnt responding commands appropriately Doing safe thing land notice ailerons jittering back forth Radio interference suspected interference bad radio pot transmitter possibly receiver problems Having similar experiences Clay Ramskill described what affected airplane solution problem servo fluttermy term move servo side other let go stick servo doesnt stop center passes through hunting back forth few cycles connected control surface looks like servo makes control surface flutter around its trim position phenomenon happened before current airplanes afflicted ailerons crashed delta model elevator failure some time ago after developed case elevon servo flutter never figured out real cause fair prices sensible quanlities fas teners need model building call write fax Free catalog Micro Fasteners800-892-6917 110 Hillcrest Road908-806-4050 Flemington NJ 08822fax 908-788-2607 e-mail microf@blaofnef Internelhffp//mkrefasfenerorom 84 Model Aviation OWER LESS HASSLE MORE FUN Dieselize Davis Diesel Its Awesome * Up 50% Power Twice Long Same Easy Starting e Sound No Glow Plugs Davis Diesel Heads Over 100 models 049-36w Worlds largest prodocer Model Diesel Fuels Transforms 25 to 40 Cu 40 to 60 040506t 90 71\YEMl/k.RO5A90 too 12$ 4cHwol c DAVIS P0 Box 141 Dept MA evi CT 06460 877-1670 rCpe$0 Fo rot pocLer errd 54OOcrtdiroppIiedrofirtordel EI\ Uur 4-40x1/2 socket caps sell S435/1 00 alloy steel S665/100 stainless S750/50 aluminum Howard asked day what caused flutterone models doing ailerons also unable give decent answer Sometime later Howard observed able cure flutter problem plugging unplugging aileron extension plug servo surmised contacts plug dirty corroded plugging several times might tend clean contacts enough problem might temporarily cured dont know enough about electronics involved really pin down exact cause effect obvious Howard something Recent events have proved Howards theory After rainy weather corrosion inducing aileron servo flutter entered worse stage o super-slow slowly fluttered sometimes did work Replugging aileron plug 4 5 times improved situationthe servo worked normally Later replacing aileron extension completely solved problem Discussing Howard comes together servo flutter problems have occurred conjunction aileron extension including deltas elevons b both us have aileron extensions use could considered ancient c both have tended use good newer servo aileronsbut never paid much attention extension d nothing lasts forever retrospect think about itthe plug aileron extension used except charging plug gets wrenched around jerked quite often left vibrate around plane fly So possibility failing after years use dirt corrosion wire breakage high flutter Thank goodness again airplanes trying tell theres problem Thats month safe fly responsibly 4I 41 1 mIsI4IJiTd i [1 ques Military Civilian Helicopters Sailpianes have worlds largest aircraft documentation 7400 different full color photo studies 1903-1998 350003-view line drawings 1999 Catalog/Guide 228 pages flAilConads/Mes co $1000 Only $ QVYEpe$1500 Bob Bankas AIRCRAFT DOCUMENTATION 3114 Yukon Avenue a Mesa CA 92626 714 979-8058 htto//wwwimtnet/ims/scalehtml Piece Fiberglass Fuselage Integral Vertical Fin Panel Lines Molded Fiberglass Cowl Canopy Frame Belly Pan Ailerons Flaps Elevators Rudder other Scale Details Pro-balanced Fiberglass Ailerons Balsa Presheeted Foam Core Wings Horizontal Stabilizer LE Installed le Installation ot Retracts Pro-installed Plywood Plates Wheel Well Openings Routed Wing Aileron Flap Servo Openings Routed Wings um Formed Clear Canopy Three Sheets Pressure Sensitive Decal IDJiibsj St0T%S SPITFIRE A6M5 ZERO CAP-lOB ____________________ AND SCALE JETSExcellence Enginwing Send $4 00 wthn USA $10 00 IQuality ManufacturIngL-411# world Product Pack 203 Mass Ave Lexington MA 02420 Tel 781 674-9898 Fax 781674-2288 Price subject change prior notice shipping handling extra YELLOW AIRCRAFT INTERNATIONAL April 1999 87 c sf $53500 DELUXE KIT FEATURES RC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far western North Carolina Write call information RC Flight Training 1635 Setawig Rd Brasstown NC 28902 828-389-8968
Edition: Model Aviation - 1999/04
Page Numbers: 83, 84, 87
Gary Shaw flLy Safety Alert AMA Web Page wwwmodelaircraftorg An AMA member recently severely burned model fuel can exploded being opened received very severe burns requiring extensive grafting facing long recovery period metal can trying open storage over 20 years no evidence external spark ignition source other container itself Consultation experts field indicates materials such ether propylene oxide nitromethane commonly used model fuels may become destabilized shock sensitive over period time As best can determine fuel composition included two substances state change probable change combination heat generated friction metal metal trying open container initiated explosion AMA advises would unwise open fuel containing products have stored some period time metal containers Such fuel should taken Hazardous Waste disposal facility Any fuel stored over 5 years would suspect Always use fresh fuel Columnists Note Although Im unaware similar accidents date Ive written past about things consider storing fuel accidents d occurred because leaking fuel vapors caught fire told modeler refilling flight box fuel can near gas water heater vapors found heaters pilot light causing explosion fire injuries modeler another instance vapors leaking field box fuel can caught fire loose field box tool touched can field box battery An arc formed fire touched off explosion destroyed field box spraying burning fuel nearby modelers Several injured grass fire ensued Another story involved full fuel can exploded spark connectors exterior fuel pump somehow sparked ignited freshly pumped fuel top can Burning methanol caught ground around flight box fire person received minor burns trying put out cases described interesting point lack mention fire extinguishers being employed Methanol interesting substance burns alcohol does very hot almost invisible Ive scorched modelers tell during accidents felt severe burning saw no fire modeler saw plastic watch melt hurriedly tried remove point realized much hand fire wrapped coat smother flames Although received third ee burns quick thinking prevented serious injuries Fuel does extremely well what designed burns As result should stored areas leaks can cleaned up fire starts can extinguished quickly minimal damage dont think extra room house bedroom closet will work store fuel upper shelf shed vented free solvents rags paints chargers etc usually have hand what plan use season although years past probably much 50 gallons time know club gets together buys big can 50 gallons fuel interested show up buy share People such myself get greedy end up theyll need notice leaks anything wrong containers transfer contents new container possible discard rule thumb doubt throw out Unless Im burning up sky approaching event really dont use much fuel dont need keep much hand guess would wiser get need let people manufacture deal hazard Nuff said April 1999 83 OLD TIME RUBBER PLANS AND LASER CUT PARTS Yoav~ L1 JMMIEAUIII mUEIRD TJ FLYSNOACES MOTh 24 5n CoevwaI Robber P1nOOOO Parts Oil 00 Lanzo Classic 21$ Sq VAOdd PIa $700 Pb $2000 JIMMIE ALLEN BA CABIN P1n 800 P05 $800 Al CASANOS CHAMPIONSHIP STICK 4tflIITEIFL5O LANZO PUSS MOTh Plan $700 Pt $2000 Art Horaks Wander 3-E MAN Sn FAC OT 0108 Plan 0700 part 01500 PtEAS0 AD $4 N FOR POSTAGK Introducing new line old time plans Laser cut parts Plans CAD ckawn Jim OReilly Jim has over 60 old lime rubber gas plans laser cut kits te designed fly Call SAM list pans laser cut own 50 walt laser Laser engraved contest plaques available BOB HOLMAN PLANS P 0 BOX 741 SAN BERNARDINO CA 92402 909 885 3959 FAX 889 9307 Buddy Box Flying best ways learn fly assistance patient instructor good buddy box system Although transmitters manufactured have feature built care must taken ensure compatibility before heading off flying field Once compatibility determined both transmitters properly set up student can burn up sky confidence knowledge flip switch instructor can quickly recover bad maneuver aware trainer cords long kept away feet can quickly entangle cause someone trip get disconnected hopefully instructor prevent becoming entangled disconnected during flight check make sure slack hands ground An ounce prevention case can worth pound cure Servo FlutterElectronic Mechanical airplane passes seems getting hit isnt responding commands appropriately Doing safe thing land notice ailerons jittering back forth Radio interference suspected interference bad radio pot transmitter possibly receiver problems Having similar experiences Clay Ramskill described what affected airplane solution problem servo fluttermy term move servo side other let go stick servo doesnt stop center passes through hunting back forth few cycles connected control surface looks like servo makes control surface flutter around its trim position phenomenon happened before current airplanes afflicted ailerons crashed delta model elevator failure some time ago after developed case elevon servo flutter never figured out real cause fair prices sensible quanlities fas teners need model building call write fax Free catalog Micro Fasteners800-892-6917 110 Hillcrest Road908-806-4050 Flemington NJ 08822fax 908-788-2607 e-mail microf@blaofnef Internelhffp//mkrefasfenerorom 84 Model Aviation OWER LESS HASSLE MORE FUN Dieselize Davis Diesel Its Awesome * Up 50% Power Twice Long Same Easy Starting e Sound No Glow Plugs Davis Diesel Heads Over 100 models 049-36w Worlds largest prodocer Model Diesel Fuels Transforms 25 to 40 Cu 40 to 60 040506t 90 71\YEMl/k.RO5A90 too 12$ 4cHwol c DAVIS P0 Box 141 Dept MA evi CT 06460 877-1670 rCpe$0 Fo rot pocLer errd 54OOcrtdiroppIiedrofirtordel EI\ Uur 4-40x1/2 socket caps sell S435/1 00 alloy steel S665/100 stainless S750/50 aluminum Howard asked day what caused flutterone models doing ailerons also unable give decent answer Sometime later Howard observed able cure flutter problem plugging unplugging aileron extension plug servo surmised contacts plug dirty corroded plugging several times might tend clean contacts enough problem might temporarily cured dont know enough about electronics involved really pin down exact cause effect obvious Howard something Recent events have proved Howards theory After rainy weather corrosion inducing aileron servo flutter entered worse stage o super-slow slowly fluttered sometimes did work Replugging aileron plug 4 5 times improved situationthe servo worked normally Later replacing aileron extension completely solved problem Discussing Howard comes together servo flutter problems have occurred conjunction aileron extension including deltas elevons b both us have aileron extensions use could considered ancient c both have tended use good newer servo aileronsbut never paid much attention extension d nothing lasts forever retrospect think about itthe plug aileron extension used except charging plug gets wrenched around jerked quite often left vibrate around plane fly So possibility failing after years use dirt corrosion wire breakage high flutter Thank goodness again airplanes trying tell theres problem Thats month safe fly responsibly 4I 41 1 mIsI4IJiTd i [1 ques Military Civilian Helicopters Sailpianes have worlds largest aircraft documentation 7400 different full color photo studies 1903-1998 350003-view line drawings 1999 Catalog/Guide 228 pages flAilConads/Mes co $1000 Only $ QVYEpe$1500 Bob Bankas AIRCRAFT DOCUMENTATION 3114 Yukon Avenue a Mesa CA 92626 714 979-8058 htto//wwwimtnet/ims/scalehtml Piece Fiberglass Fuselage Integral Vertical Fin Panel Lines Molded Fiberglass Cowl Canopy Frame Belly Pan Ailerons Flaps Elevators Rudder other Scale Details Pro-balanced Fiberglass Ailerons Balsa Presheeted Foam Core Wings Horizontal Stabilizer LE Installed le Installation ot Retracts Pro-installed Plywood Plates Wheel Well Openings Routed Wing Aileron Flap Servo Openings Routed Wings um Formed Clear Canopy Three Sheets Pressure Sensitive Decal IDJiibsj St0T%S SPITFIRE A6M5 ZERO CAP-lOB ____________________ AND SCALE JETSExcellence Enginwing Send $4 00 wthn USA $10 00 IQuality ManufacturIngL-411# world Product Pack 203 Mass Ave Lexington MA 02420 Tel 781 674-9898 Fax 781674-2288 Price subject change prior notice shipping handling extra YELLOW AIRCRAFT INTERNATIONAL April 1999 87 c sf $53500 DELUXE KIT FEATURES RC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far western North Carolina Write call information RC Flight Training 1635 Setawig Rd Brasstown NC 28902 828-389-8968
