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Old Apr 25, 2015, 01:09 AM
MadMonkey572 is online now
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United States, TX, Roanoke
Joined Sep 2006
1,560 Posts
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Alternative power systems

At my club, we're flying a lot of full-contact combat with pusher jets (usually profile F-22s). We use the typical 2212/6 2200kv motors with 6X4 props, and these tend to work pretty well.

Unfortunately, a lot of the time we run full throttle, and even then our acceleration is slow from a stop, usually after a very hard turn.

I'd like to experiment with some other power systems to see if I can improve low-end acceleration, while not having to run full throttle to get decent speed. What I'm considering is a motor that can run a cut-down higher pitch prop efficiently (max of about 7" diameter). Guys have tried higher KV motors, but with such draggy airframes they haven't seen much of a performance increase.

AUW is about 13-14oz (that's a well-used airframe with a lot of hot glue on it, so it might be lighter when new) without the battery, which is a 3S 1300-1800 but I'd like to try a 4S setup as well.

I could get away with a heavier motor but not by a lot, these things are somewhat sensitive to weight as I know you guys know.

Any suggestions on where to start?
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Old May 06, 2015, 02:43 PM
kcolraw is online now
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Kcolraw
United States, NC, Asheville
Joined Feb 2015
129 Posts
You could try an 2822/17 1100kv with either a 7x6 or 8x6 apc prop. Just watch the Temps with a 8x6.
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