L Edge
Master member
EDF's jets are a different breed. The main pilot errors usually occur on takeoff(perhaps launching) or most often landing.
For takeoff, going down the runway and realizing it is not going to liftoff usually means trouble. I've seen gear rip out, leading edge destruction, veering off course usually does the some or total destruction of frame, wing or tail.
EDF's come in 2 versions for landing. Some float like butterflies(low or mid-wing) and others require throttle management and proper flaring. You get that by learning. In the meantime, a majority of pilots learning come in high, hot and heavy, eating up the runway and await destruction as they run out of runway.
Very few foam models have any brakes. So, build, fly , and rebuild until they learn the lesson.
Now enters "reverse escapes" for airplanes. First explored it with props and landing gear. Simple hookup, esc goes to throttle rx as usual and second wire go to an empty channel controlled by a 2 position switch. If you have controllable nose gear, you can use it to go forward/backwards to turn the plane around and taxi back to the pits.
All you do is when time to reverse prop/EDF, pull throttle to zero, reverse switch, and then add throttle. Motor is reversed and guarantees to reduce your stopping distance.
Now for EDF's.
First thought, what will happen if blades and not balanced and what about full throttle reverse. Will it brake sufficiently?
Started with bench testing and sure enough, running an 64 EDF backwards does produce negative thrust. I decided that 2/3 throttle is max.
Took EDF plane out, did a number of trials coming in fast and applying the reverse. and sure enough it reduced the length of stopping distance.
Bench tested a balanced 70 EDF(holding it), went up to 3/4 throttle, and surprised of the amount of negative thrust.
Never had the heart
I used a Hobbywing Funfly40A V5 escape that has a 3-6S Lipo range.
So, if you need help to get landings shorten to reduce accidents, think about using a reversible escape. Then, disconnect the reverse and you have a useable 40amp esc for other planes.
Wanted to try 4D flying. Haven't got the nerve yet to put the EDF plane is a dive and reverse the switch and see if it could stop it to hover. nose down.
Sidenote: When you buy an EDF, you will trash the blades after it ingested wet grass, pebbles, dirt and even servo wires(ask me on that one), so buy a few spares blade sets for they usually drop off the market within a year or two. Then your stuck buying a whole new EDF unit.
Will do a video shortly.
For takeoff, going down the runway and realizing it is not going to liftoff usually means trouble. I've seen gear rip out, leading edge destruction, veering off course usually does the some or total destruction of frame, wing or tail.
EDF's come in 2 versions for landing. Some float like butterflies(low or mid-wing) and others require throttle management and proper flaring. You get that by learning. In the meantime, a majority of pilots learning come in high, hot and heavy, eating up the runway and await destruction as they run out of runway.
Very few foam models have any brakes. So, build, fly , and rebuild until they learn the lesson.
Now enters "reverse escapes" for airplanes. First explored it with props and landing gear. Simple hookup, esc goes to throttle rx as usual and second wire go to an empty channel controlled by a 2 position switch. If you have controllable nose gear, you can use it to go forward/backwards to turn the plane around and taxi back to the pits.
All you do is when time to reverse prop/EDF, pull throttle to zero, reverse switch, and then add throttle. Motor is reversed and guarantees to reduce your stopping distance.
Now for EDF's.
First thought, what will happen if blades and not balanced and what about full throttle reverse. Will it brake sufficiently?
Started with bench testing and sure enough, running an 64 EDF backwards does produce negative thrust. I decided that 2/3 throttle is max.
Took EDF plane out, did a number of trials coming in fast and applying the reverse. and sure enough it reduced the length of stopping distance.
Bench tested a balanced 70 EDF(holding it), went up to 3/4 throttle, and surprised of the amount of negative thrust.
Never had the heart
I used a Hobbywing Funfly40A V5 escape that has a 3-6S Lipo range.
So, if you need help to get landings shorten to reduce accidents, think about using a reversible escape. Then, disconnect the reverse and you have a useable 40amp esc for other planes.
Wanted to try 4D flying. Haven't got the nerve yet to put the EDF plane is a dive and reverse the switch and see if it could stop it to hover. nose down.
Sidenote: When you buy an EDF, you will trash the blades after it ingested wet grass, pebbles, dirt and even servo wires(ask me on that one), so buy a few spares blade sets for they usually drop off the market within a year or two. Then your stuck buying a whole new EDF unit.
Will do a video shortly.
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