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Old Jun 17, 2009, 08:54 PM
pops57 is offline
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Austin TEXAS area
Joined Apr 2008
383 Posts
Hi, I have this same bird and i have up graded to brushless. I used 2 FC28-22 1200 kv motors from Hobby City, the specks they give are 14.5 amp max on a 10 inch prop and 3s lipo suppling around 700 grams thrust. I am very happy with my power level now, I can place the Cat on the ground-no wheels and it will power off the ground no problem. I use a set of 9 inch three blade props with a 7 pitch. I am not anywhere near your altitude so I can't say how much power loss you might see. I have not pushed this bird to see what it is cappable of as it just looks so cool flying in scale fashion. I have made several flights from water as well and have come to the conclusion I need to fabricate a water rudder. Hope some of this is helpful. Good Luck.
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