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Old Aug 26, 2013, 12:41 PM
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Joined Jul 2013
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Motor for Hobbyking YAK 54 EPP

Hi,
I am interested in buying this plane:

http://www.hobbyking.com/hobbyking/s...dproduct=15302

How is this Motor+Prop combination (30A ESC)?:

Motor:

http://www.hobbyking.com/hobbyking/s...dproduct=12920

Prop:

http://www.hobbyking.com/hobbyking/s...idproduct=9845

Also, do I have to get servo extension wires?

Thank you!
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Old Aug 27, 2013, 11:15 AM
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RAlanBoyle's Avatar
United States, IL, Chicago
Joined Feb 2011
204 Posts
That motor needs a 40A ESC. Aside from that it should work fine. You will probably need 2 4" extensions since the tail servos are mounted at the back.
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Old Aug 27, 2013, 11:26 AM
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United States, MI, Waterford Charter Township
Joined Aug 2008
1,288 Posts
I think that HK 40a recommendation is a misprint? The motors max amperage is 21a, making a 30a ESC more than adequate?

I have the 42" version of this plane and it requires 18" extensions. Thinking 4" may not be enough, but not sure of specifics.

I think your setup looks good, other than maybe the prop? If you look at some of the reviews, they don't think much of them. Check out the "APC style". I've had really good luck with those.
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Old Aug 27, 2013, 09:48 PM
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KE Spin's Avatar
Ohio
Joined Aug 2010
2,693 Posts
+1 on what Ahicks said. You should be ok with (2) 8" or 12" extensions.

However, the motor is only 50 grams and I think that when you factor in efficiency, you will not really get the 200 watts that is listed.

I have had several planes in the 36" wing span size range and have found that for excellent 3d power you should have a 450 size brushless motor turning a 10 x 4.7 apc slow flyer prop.
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