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Old Jun 12, 2009, 10:58 AM
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Dave North
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USA, CA, San Jose
Joined Apr 2004
5,254 Posts
Couple of interesting winds

Sometimes the overlarge (register?) bumps on the stators are mounted facing toward the can, which crowds the wires and creates a logical limit on how much you can safely pack in. I've been experimenting with various approaches and here's the latest:

Tgy 16T 26awg ABC Delta Kv 1882 Io = 0.73 Rm = 0.114
GWS 8040 DD Rhino 610 2S
9623 rpm @ 7.32v/9.93a
Badcock: 471 grams 16.6 oz/thrust 77.8% Efficient
DriveCalc: 518 grams 18.3 oz/thrust 80.6% Efficient
Not too shabby!

Then again, other times you don't have to deal with that kind of thing, so you can just keep going:

Tgy 21T 26g ABC Delta Kv 1435 Io = 0.61 Rm = 0.150
GWS 8040 Rhino 460 3S
10610 rpm @ 10.49v/9.10a
Badcock: 577 grams 20.4 oz/thrust 80.3% Efficient
DriveCalc: 636 grams 22.4 oz/thrust 82.5% Efficient

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