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Old May 16, 2011, 07:54 PM
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Rctestflight's Avatar
United States, UT, Park City
Joined Sep 2009
157 Posts
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Motor KV Relative to Stableness

Hello,

Just got a quick question:

Are higher KV motors or lower KV motors more stable for aerial video on a quadcopter?

Thanks
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Old May 16, 2011, 10:12 PM
Multicopter AP centric
mbsteed's Avatar
Canada, AB
Joined Jan 2011
304 Posts
Most folks go with kvs between 750 - 1400. There is some indication that the lower the Kv work better with the larger props and the higher kv work better with the smaller props. At least that is what I have gleaned from forums. Others can chime in on this with more technical replies. For instance my Gaui uses 8 inches props with 1400 kv motors. 750 kv motors are often setup with props 10-14 inches depending the power of the motor.

It also depends on how you want to fly the quad - the slower kv range seems to be used more for AP purposes while the higher kv are more sport.
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Last edited by mbsteed; May 16, 2011 at 10:29 PM.
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Old May 17, 2011, 01:49 AM
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UK, Buckinghamshire, High Wycombe
Joined Feb 2007
4,133 Posts
lower kv better run times higher kv better stability ive found so far
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