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Old Dec 27, 2012, 12:30 AM
corsair nut is offline
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fly like an EAGLE ;)
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were headed to van nuys this sat morning if you want to bring it down...
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Old Dec 27, 2012, 12:40 AM
p901P901 is online now
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Thanks Brent will be there.
Old Dec 29, 2012, 10:02 PM
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So Brent was it raining allot down their?

Yesterday I did some taxi testing. Started at the end of a 600ft runway on 10 cells and plane did not look fast enough for a nice rotation. The 5/32 wire struts are too soft and plane veered allot.
Went to 12 cells and now there is plenty of power but did not dare to bring it up to rotate speed because the CG was now off.
So I need to set up for 12 cells and use stronger struts. AOA is 4 degrees and may go to 6.
Old Dec 31, 2012, 12:33 PM
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Great job with a unique scratch built subject! Good Luck on the maiden.

Phil
Old Jan 30, 2013, 06:49 PM
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Maiden report


The lakebed at Edwards AFB is like cobblestones.
First takeoff roll the right main gear screws ripped out of the plywood. Repaired the wood with super glue and used wood screws instead of sheet metal screws.
Second takeoff was within 400 feet climb out was smooth but slow. Continued with the climb and started the first turn. Noticed that the roll on the elevons was good but pitch needed allot more movement. Speed kept on increasing and soon It was at about 100 feet up. The plane was very sluggish and was hard to judge its attitude because it was about now 600 feet away. Was able to somewhat coordinate the turns and tried to make the first approach, but speed was to high. On the second approach I over ran the runway and the landing was 100 feet from the end of the runway.
The wings where level when the mains touched down and then the left main gear broke, wing dug in, nose wheel broke. plane flipped over and broke the canopy and vertical.
I was to much on the shaky side to adjust the trim or feel the position of the elevator stick. It felt like the plane was nose heavy. The D/R is 70% roll and 45% pitch with -40% Expo on my Futaba T10CAG transmitter.
I need to move the CG aft and give more D/R for the pitch.
I used 3/16 wires for main struts which caused the energy from the rough lakebed to pull the screws from the wood. May need to find some struts to absorb the energy.
Last edited by p901P901; Jan 30, 2013 at 07:01 PM.
Old Jan 30, 2013, 08:24 PM
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Sorry to hear of the damage. That lakebed must hav been really rough. You need a better site for a maiden. Hope it goes well after fixing.

Phil
Old Jan 31, 2013, 02:11 AM
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You know nothing....
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That's a hard(in every sense of the word!)place for a maiden.Good luck with the mods.
Stuart
Old Jan 31, 2013, 03:02 AM
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Stupot46
I was out by myself and could not take any pictures in flight. I did have a pen camera mounted under the canopy but it would not work. Played with the thing the night before and worked perfectly. Brought it out to the field and would not even turn on
Old Jan 31, 2013, 07:33 AM
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EDF rules... :)
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Cool, glad to see someone moving forward on thier projects.

Cheers,
Eric B.


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