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Old 07-24-2006, 07:37 PM
3D-Seth is offline
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Himax Motor Question

I was wondering if a Himax 28160890 Outrunner motor would be enough for a Katana Mini from Atlanta Hobby on 2100 mAh Li-po pack?

http://www.atlantahobby.com/shopexd.asp?id=5778

Thanks Guys!

3D-Seth
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Old 07-25-2006, 12:03 AM
Bunky F. Knuckle is offline
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Re: Himax Motor Question

Seth. I did an E-Calc really fast........... Checked out with the 890 like you want, comes up to 17.3A on an 11x5.5 APC-E Prop. TP 3S 2100's (ECalc has the TP's already loaded!) 7K RPM on a 16oz airframe. I check ATL site and it says 13oz EMPTY. I calc also 172 watts/pound!! 35oz thrust, with a MAX climb rate of just over 2900' per MINUTE, at 25MPH!!!

Calc'ed the Torque motor as well!!! Just to give you a different POV........It has a higher RPM/Volt rating. Which means turns faster with no load at a certain voltage. Now the skinny!!! 21A, 10x5 APC-E prop, or slow flyer(10x4.7), 8820 RPM, 202 Watts/pound, 38oz thrust, MAX climb is 3486 @ 27MPH. This shows better, but works the pack a bit harder.

Both set ups show LONG cruising times. Should be in the area of 10-12 minute fights, of precision/3D type flying.

Chris~
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Last edited by Bunky F. Knuckle; 07-25-2006 at 12:14 AM.
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