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Old Sep 01, 2010, 09:21 PM
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mt_100's Avatar
United States, MI, Holland
Joined Dec 1996
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Yak 55 From West Michigan Park Flyers

I built mine and ready to fly with 9g servos, Turnigy 2730-1500 motor and 3S 610 battery it is 8.8oz.

I couldn't find weights on their site but it seems heavy. Thoughts?
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Old Sep 02, 2010, 10:58 AM
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airbagit13's Avatar
Miami, FL
Joined May 2009
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You should replace 2 of the servos with 5g servos, and use a 450 2s battery on a 9 inch prop instead.
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Old Sep 02, 2010, 11:30 AM
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xxD-Manxx's Avatar
United States, WA, Bonney Lake
Joined Oct 2004
1,485 Posts
MT
Everything you'd want to know about the EPPYak55 can be found here:
http://www.rcgroups.com/forums/showthread.php?t=964237

These planes will fly well on a wide weight range.
Yes lighter will be more floaty but a little extra weight will give it a larger plane feel.

Here's the combo that's been working for me over the last year or so for outside flying:

1700 KV motor from Head Up RC(the extra KV is needed for the heavier planes)
http://www.headsuprc.com/servlet/the...lectric/Detail
Nano 1000 3s
9g servo on ailerons
2 5g servos (rudder and elevator)
GWS 8X4 HD prop

AUW weight is 8.3oz

I have a second Yak55 with LED lights
The lights add 2.2oz. for a AUW of 10.5oz

Both fly well.. will hover, tail touch and have good pull out. (lighter one has much better pull out)

Fly your plane and if you like.. no worries.
If you want a tad more power go with the 1700kv motor

Hope this helps!
D-Man
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Last edited by xxD-Manxx; Sep 02, 2010 at 11:45 AM.
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Old Sep 02, 2010, 11:58 AM
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mt_100's Avatar
United States, MI, Holland
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Good to know, thank you!
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Old Sep 02, 2010, 02:30 PM
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6L6Amp's Avatar
Northern Indiana
Joined Jan 2009
4,126 Posts
Quote:
Originally Posted by airbagit13 View Post
You should replace 2 of the servos with 5g servos, and use a 450 2s battery on a 9 inch prop instead.
Agreed. It will fly a LOT better with this setup. Every gram counts on these.
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Old Sep 02, 2010, 06:03 PM
Registered User
USA, ME, Ellsworth
Joined May 2010
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I fly mine with a 9g, two 5g servos and a 2s 360mah. It floats like a feather and takes a hit way better than a heavier setup.
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