Bob Underwood Z7f4UU IVE JUST RETURNED AirVenture Oshkosh 1999 Experimental Aircraft Associations EEA yearly event Ive seen enough airplanes last quite true aviation buff can probably never get enough year attend convention wonder about citizens Oshkosh certainly lives turned upside down week show fight traffic listen thousands aircraft unable find table favorite restaurant its interesting show might want see sometime Look 2000 schedule AMAs National Aeromodeling Championships July bit August can become saturated elements hobby/sport its true participants newcomers can pick up some very valuable ideas learn about AMAs proud 63-year history will also allow opportunity visit AMAs wonderful museum flying site know youll find visit stimulating pleasant Lets spend some time considering device used power model Granted model type Hand-Launched Glider rubberpowered sailplane need suggest take care arm and/or find source good rubber inclined toward glow diesel gas engine electric motor other factors enter first obviously matter choice greatest bulk newcomers gravitate toward glow plug engine will find wide range glow plug engines available choices include price style brand Its also true generally can locate product reviews engines kits easily anything else reviews can help determine best-buy will acquaint terminology standards look purchasing engine first consideration will probably whether want go two-stroke four-stroke engine Typically will note kits Almost Ready Flys ARFs will quote range engine sizes Generally four-stroke will list somewhat-larger-sized engine holdover very early days introduction four-stroke time considerable power differential between same-displacement two- fourstroke engine Developments recent years have resulted power gap becoming smaller Generally four-stroke will swing larger prop albeit lower rpm looking pull speed what four-stroke can provide four-stroke also tends quieter two-stroke expensive though somewhat heavier require occasional maintenance form valve adjustment will probably find two-strokes trainers especially because price dont rule out perform quite well gas types found larger-displacement sizeswell beyond used power trainers say arent models available could used trainers utilize gas engines Theyre just commonly found advantages gas engines fuel quite inexpensive once gas engines adjusted require very little attention Pay attention though fact typical glow fuel tank fuel lines compatible gasoline same true some fuel filler valves provided gasoline glow fuel alcohol versions same concerns hold true diesel engine reality very few found common trainer aircraft variety reasons First selection engines available quite small especially 40-size larger Second converting regular glow engine diesel operation changing cylinder head what creates larger-sized diesel engines Third individuals reluctant go direction because lack help local field dont dismiss diesel uses very little fuel fuel quite inexpensive engine will provide considerably power per cubic inch will also run much cooler standard glow engine headed non-messy quiet must consider electric-motor cases wont find gasoline engines powered model recent years have newcomers model primarily because fantastic leaps technology available 114 Model Aviation power tnie power availability duration flight time No can dispute ease electricpowered model can started flip switch prop must admit degree ignorance regarding comparison cost between standard glow-engine setup Electric Batteries requisite charger speed controller cheap trade-off fact have continually buy fuel may have hunt around bit clubs find voltage guru help last thought carefid have properly set motor up have throttle wrong place motor can start high throttle soon flip switch can quite surprise arent expecting have part anatomy wrong place types power carries bundle choices features As pore through ads will run across choices features Reference will made bearings types fuel porting metallurgy design cant begin sort out column can provide some possible guidelines don t need hottest feature-filled power plant available Remember building trainernot Reno air racer Consider price dependability repair possibility easy replace broken needle valve assembly Does local hobby shop stock parts Lean toward big end size recommendation kit calls size range head toward high end cant squeeze out power thats can throttle back though Check carefully frequently larger-displacement size available engine physically same size smaller displacement done boring out cylinder side benefit some cases larger-displacement engine actually lighter Youll find 53s 40s 45s 80s 60s etc Go safety features convenience quiet Look complete instructions fuel reeommendations ease mounting muffler mounting whether its included position needle valve some engines still have needle valve venturi front engine also have needle valves have angled back keep fingers away prop Others especially four-strokes have needle valve located rear engine Still others have remote needle valve can located anywhere up several inches engine engine break-ins same Check instructions carefully will find specific fuel recommendations nitromethane content lubricant type etc will also find break-in methods vary according type engine metallurgy setup Ignoring instructions can reduce engine swap-shop bait very quickly Cooling important problem glow diesel gas-engine trainers can Electrics Strange huh Sometimes forget Electric motors produce heat rapidly charging discharging batteries produce heat too So speed controllers go Electric follow equipment guidelines motor may slipstream batteries controller probably Match prop engine motor size model Are going need prop will leave less 1-inches ground clearance may needed grass runway can go smaller diameter pitch sacrifice pull speed Consider choices carefully final decision will based cost ease operation sound level upkeep host other factors answer what use Dont intimidated local expert claims doomed failure because choice his/her choice Check around Get other opinions expert states should buy Super Turbo Nine twin bearings AEX piston/sleeve combination visit another field check out probably using turbos drive stakes shelters ember1999 115
Edition: Model Aviation - 1999/12
Page Numbers: 114, 115
Edition: Model Aviation - 1999/12
Page Numbers: 114, 115
Bob Underwood Z7f4UU IVE JUST RETURNED AirVenture Oshkosh 1999 Experimental Aircraft Associations EEA yearly event Ive seen enough airplanes last quite true aviation buff can probably never get enough year attend convention wonder about citizens Oshkosh certainly lives turned upside down week show fight traffic listen thousands aircraft unable find table favorite restaurant its interesting show might want see sometime Look 2000 schedule AMAs National Aeromodeling Championships July bit August can become saturated elements hobby/sport its true participants newcomers can pick up some very valuable ideas learn about AMAs proud 63-year history will also allow opportunity visit AMAs wonderful museum flying site know youll find visit stimulating pleasant Lets spend some time considering device used power model Granted model type Hand-Launched Glider rubberpowered sailplane need suggest take care arm and/or find source good rubber inclined toward glow diesel gas engine electric motor other factors enter first obviously matter choice greatest bulk newcomers gravitate toward glow plug engine will find wide range glow plug engines available choices include price style brand Its also true generally can locate product reviews engines kits easily anything else reviews can help determine best-buy will acquaint terminology standards look purchasing engine first consideration will probably whether want go two-stroke four-stroke engine Typically will note kits Almost Ready Flys ARFs will quote range engine sizes Generally four-stroke will list somewhat-larger-sized engine holdover very early days introduction four-stroke time considerable power differential between same-displacement two- fourstroke engine Developments recent years have resulted power gap becoming smaller Generally four-stroke will swing larger prop albeit lower rpm looking pull speed what four-stroke can provide four-stroke also tends quieter two-stroke expensive though somewhat heavier require occasional maintenance form valve adjustment will probably find two-strokes trainers especially because price dont rule out perform quite well gas types found larger-displacement sizeswell beyond used power trainers say arent models available could used trainers utilize gas engines Theyre just commonly found advantages gas engines fuel quite inexpensive once gas engines adjusted require very little attention Pay attention though fact typical glow fuel tank fuel lines compatible gasoline same true some fuel filler valves provided gasoline glow fuel alcohol versions same concerns hold true diesel engine reality very few found common trainer aircraft variety reasons First selection engines available quite small especially 40-size larger Second converting regular glow engine diesel operation changing cylinder head what creates larger-sized diesel engines Third individuals reluctant go direction because lack help local field dont dismiss diesel uses very little fuel fuel quite inexpensive engine will provide considerably power per cubic inch will also run much cooler standard glow engine headed non-messy quiet must consider electric-motor cases wont find gasoline engines powered model recent years have newcomers model primarily because fantastic leaps technology available 114 Model Aviation power tnie power availability duration flight time No can dispute ease electricpowered model can started flip switch prop must admit degree ignorance regarding comparison cost between standard glow-engine setup Electric Batteries requisite charger speed controller cheap trade-off fact have continually buy fuel may have hunt around bit clubs find voltage guru help last thought carefid have properly set motor up have throttle wrong place motor can start high throttle soon flip switch can quite surprise arent expecting have part anatomy wrong place types power carries bundle choices features As pore through ads will run across choices features Reference will made bearings types fuel porting metallurgy design cant begin sort out column can provide some possible guidelines don t need hottest feature-filled power plant available Remember building trainernot Reno air racer Consider price dependability repair possibility easy replace broken needle valve assembly Does local hobby shop stock parts Lean toward big end size recommendation kit calls size range head toward high end cant squeeze out power thats can throttle back though Check carefully frequently larger-displacement size available engine physically same size smaller displacement done boring out cylinder side benefit some cases larger-displacement engine actually lighter Youll find 53s 40s 45s 80s 60s etc Go safety features convenience quiet Look complete instructions fuel reeommendations ease mounting muffler mounting whether its included position needle valve some engines still have needle valve venturi front engine also have needle valves have angled back keep fingers away prop Others especially four-strokes have needle valve located rear engine Still others have remote needle valve can located anywhere up several inches engine engine break-ins same Check instructions carefully will find specific fuel recommendations nitromethane content lubricant type etc will also find break-in methods vary according type engine metallurgy setup Ignoring instructions can reduce engine swap-shop bait very quickly Cooling important problem glow diesel gas-engine trainers can Electrics Strange huh Sometimes forget Electric motors produce heat rapidly charging discharging batteries produce heat too So speed controllers go Electric follow equipment guidelines motor may slipstream batteries controller probably Match prop engine motor size model Are going need prop will leave less 1-inches ground clearance may needed grass runway can go smaller diameter pitch sacrifice pull speed Consider choices carefully final decision will based cost ease operation sound level upkeep host other factors answer what use Dont intimidated local expert claims doomed failure because choice his/her choice Check around Get other opinions expert states should buy Super Turbo Nine twin bearings AEX piston/sleeve combination visit another field check out probably using turbos drive stakes shelters ember1999 115
