I chose the Easyglider for its size, high L/D and ease of modification/construction with Elapor foam. There is plenty of room to slide in up to a 3000mAh Lipo pack under the wing but, as Chris has mentioned, there isn't a lot of room under the canopy. I modified the canopy with a tab in the front and magnet aft for attachment. The original, forward canopy hold down tabs were left off and it turned out ArduPilot was almost a perfect fit in their place (see pictures).
Just waiting for weather to improve for her maiden voyage. Has anyone flown this plane yet with ArduPilot 2.0? If so, any recommendations on setting the gains?

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Comment by Bryan Cuervo on March 28, 2009 at 12:19pm
Some more pictures---

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Comment by Chris Anderson on March 28, 2009 at 12:21pm
Interesting approach with the motor, moving it forward like that. It definitely frees up some space inside. Cool the way ArduPilot fits in there...

Comment by Robert Krogh (hooks) on March 28, 2009 at 1:30pm
I like the cleane style without any birds' nests anywhere.
Comment by Matt Fisher on March 28, 2009 at 1:42pm
Now all you need is a way to mount the FMA system inside the foam with the sensors just peaking out and that thing would look amazing. Well done.
Comment by tycinis on March 28, 2009 at 2:29pm
Very nice integration , looks fine ;-)
Comment by Bryan Cuervo on March 29, 2009 at 4:30am
Good idea! I could probably bury the sensors in the foam if they were oriented 45 deg instead of 90 deg. I'm not sure if the 2.0 code has an easy way to handle the 45 deg. If I remember right, the FMA copilot had micro switches to handle this. This Elapor foam is so easy to work with! Just use a sharp x acto blade and cut away.

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Comment by Chris Anderson on March 29, 2009 at 7:47am
ArduPilot 2.1 (out in a few weeks) supports placing the XY sensor in a diagonal position.
Comment by Mike on March 29, 2009 at 12:30pm
Nice neat build.

I notice on this and other models that the FMA sensor is held on with some form of adhesive ranging from glue to velcro. After seeing a rather large model heli come down due to a stabilisation unit coming a bit loose (it was glued in place) I would always use a mechanical fixing (usually cable ties) in addition to the adhesive...it only has to come a bit loose and before you realise what is going on you have lost the aircraft.....just a thought.


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