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Discussion
RCPowers.com Extra 300- Free plans
I can never resist a free plan so I downloaded this one from Dave at rcpowers.com two days ago and got busy. I still have to install the electrics,but I think it's going to be a nice one.
Since Dave removed the plan from his website I have posted it here. ImagesView all Images in thread |
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Last edited by wmcneal; Jan 19, 2011 at 10:48 AM.
Reason: post the plans
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That Extra 300 is looking EXCELLENT! Post some flight videos if you can when she gets flight worthy.
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Thanks! Just finished it tonight. It'll be ready for a maiden when the wind finally calms down around here. Here it is ready to fly at 15 oz. I added wheels and tail skid for takeoffs and landings. Power is a tower pro 2410-12 with a 9x4.7 APC prop
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Last edited by wmcneal; May 21, 2008 at 08:04 PM.
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That is so good wmcneal! What a paint job and the wheels take it to the next level.
Some info for all, here is the power set up I used on mine: Motor: www.MotrolFlyUSA.com 2205-1350kv / 20A ESC Prop: www.GwsProps.com 10x4.7 Battery: www.CommonSenseRC.com 3S 700 mah, 15C Servos: www.CommonSenseRC.com (3) HS-65 FREE PLANS: http://www.rcpowers.com/PDFplans.htm |
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Well, the winds finally subsided enough this evening that I was able to go out to the park and test fly my new Extra 300 under the stadium lights after dark. I plugged in the battery, double checked the control surface movements and floored the throttle. After a roll of about 15 feet she rotated to vertical, whereupon I reduced the throttle and brought it into a nice hover about 25 feet up. It was not as stable as I thought it would be, so I pushed forward and leveled it out and trimmed it properly. After few more circuits around the field I landed it and replaced the 910mah battery with a 1350mah and took off again. It was more stable with the cg moved forward and was easier to hover. I then did some mild aerobatics and rolling circles, etc. I did harriers and knife edges. It was really fun! The only bad thing I noticed was that the fuselage twists while rolling fast. It is weird to see the horizontal stab out of alignment with the wing. It does return to normal once the air load is removed. I will have to figure out some way to brace it without adding too much weight.
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Quote:
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Yes I remember it.
I flew the extra again this morning. I now think some of what I was seeing was part optical illusion because of the ailerons being deflected so far. Anyway, it still flew great. I think I'll just leave it alone and concentrate on my 3d flying skills so I don't doink it. |
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Hey Bill, saw you doing a knife edge with your new plane when I cut through the park on the way to work this AM....Knew better than to stop as I would have been late for work for sure....Did you see the post here https://www.rcgroups.com/forums/showthread.php?t=769078 where the guy added a truss system to help with the flex ??
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Hi
Where is the point of gravity of your plane ? |
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The center of gravity can be found on the FREE PDF plans that you can download at RCPowers.com or at this link: http://www.rcpowers.com/PDFplans.htm
Thanks! |
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Oh yes i was blind
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