Mega Easy Glider Mod for Ardupilot 2.2
This is my latest modification of the EasyGlider to coincide with the official release of Ardupilot 2.2.
I call her the “EG 2.2”. The last modification, found here,
involved increasing the fuselage volume but this is a little more ambitious and includes standard tail conversion to an inverted V-tail, moving the motor to the rear in a pusher configuration, moving all servos to the control surfaces and extending the nose by two inches. The nose was extended to get the CG set without having to add nose weight and to make room for the larger autopilot and data logger.
The booms are made from collapsible fishing pole segments and house the elevator cables. The elevator servos are joined with a Y connector that contains a reverser for one of the servos. The ailerons are joined with a simple Y connector.
She had her maiden flight yesterday and she flies fine. As soon as the new Ardupilot and shield arrive, I’ll get them installed and restart my flight tests. I’m predicting much better success this time since there will be throttle management and I have a better feel for how the code changes effect flight.
I call her the “EG 2.2”. The last modification, found here,
involved increasing the fuselage volume but this is a little more ambitious and includes standard tail conversion to an inverted V-tail, moving the motor to the rear in a pusher configuration, moving all servos to the control surfaces and extending the nose by two inches. The nose was extended to get the CG set without having to add nose weight and to make room for the larger autopilot and data logger.
The booms are made from collapsible fishing pole segments and house the elevator cables. The elevator servos are joined with a Y connector that contains a reverser for one of the servos. The ailerons are joined with a simple Y connector.
She had her maiden flight yesterday and she flies fine. As soon as the new Ardupilot and shield arrive, I’ll get them installed and restart my flight tests. I’m predicting much better success this time since there will be throttle management and I have a better feel for how the code changes effect flight.
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Comment by Matt on June 27, 2009 at 5:56pm -
Looking forward to a flight report mate.
best
Matt
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Comment by Joseph Glanville on June 27, 2009 at 7:35pm -
Looking great,can't wait to see how the autonomous flights go. :)
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Comment by Bryan Cuervo on June 28, 2009 at 2:37am -
For the moment, she's grounded. Apparently the new Ardupilot with the ATmega 328 doesn't work with the Sparkfun FTDI cable. You can upload the code but cannot read/write from the setup utility.
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Comment by Colby sts on November 23, 2009 at 6:10pm -
any updates on this airframe? i am thiknking about doing it to my easy glider. Any suggestions?
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Comment by Bryan Cuervo on November 24, 2009 at 5:49am
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Colby,
Unfortunately, I had ESC problems and lost this airplane in a fire. Overall, I was pleased with how she flew with the inverted V-tail.
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Comment by spencerkleinhans on June 23, 2011 at 2:50pm -
hey bryan,
would you mind telling me how you set up your decalage? im trying a similar mod, and constructing my own tail...
thanks!
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Comment by spencerkleinhans on June 29, 2011 at 4:05pm
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i know im un-burying a really old thread, but i just finished some flight testing on my very similar model. the only difference is i glued my booms into the wing (on top) just forward of the flaps i installed, which are quite large. i have a flying weight of 40.22 ounces (painted) with a 3s 4400mah battery. i do not have any fpv gear in at this time, so i can due some duration testing and get a ballpark of my effective radius. due to my airplane coming in exactly the same weight as bryan's, i can safely assume my cruise/stall speeds are identical. im using a 840kv eflite park 450 motor with a 10x7 apc-e prop. i flew today for 80 mins consecutive, and put 2950mah back into the pack. therefore, im using 2.3 amps to maintain level flight. i used the vtail mixing in the radio, and have ail-rudder mix on, and greatly improved the handling of the airplane. so far, so good on everything... if there is any interest left, please let me know
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Comment by spencerkleinhans on December 15, 2011 at 9:44am
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i figured i could post a few pictures of mine, its flying for over 90 mins. i have yet to invest in some fpv gear, but i should have it fpv by the next couple of months.
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Comment by spencerkleinhans on December 15, 2011 at 9:46am
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flaps... thing thing slows to a crawl!! i would say stall speed is about 6-7 mph.
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Comment by Alan on December 16, 2011 at 2:41am -
That looks really nice man! have you got any pics of the inside? How difficult was it to work out the angle for the inverted v tail? Are you currently running an autopilot or just rc?
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