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Old 03-04-2015, 12:21 PM
DA rocks
MaceH's Avatar
Joined Jun 2011
978 Posts

Plane feels underpowered with da35 and 20x10 at 12.5lbs but its early yet. Having issues with seems like most everything on it.

My GP 81" Yak54 with DA60 is wailing. 1138 sq in, 1225 for the EF.

I'd say GO FOR IT!!! Aaargh!!!
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Old 03-04-2015, 03:02 PM
Team NOBODY!
VinceY's Avatar
United States, GA, Newnan
Joined Feb 2006
81 Posts

Mine was powered with an EME35/stock exhaust and Xoar 20x8 at 750'asl. It could have used more power, but I still enjoyed it. I cut my 3D teeth on a Double Vision and DA50 on stock exhaust. I learned how to work around marginal power. If you feel more comfortable with monster power, especially when you get in trouble, I'd probably go with the 50cc.
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Old 03-06-2015, 06:14 PM
DA rocks
MaceH's Avatar
Joined Jun 2011
978 Posts

Got some time on mine today... engine screams with 20x10- lots of prop noise. Looking into 20x12... plane hauls nicely, not as much a hot rod as the DA60/GP 81" Yak, but close. Tons of fun once various issues got sorted out.
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Old 03-07-2015, 08:10 AM
DA rocks
MaceH's Avatar
Joined Jun 2011
978 Posts

And lots of airframe noise- you guys doing anthing to attenuate the chatter at the wing root/fuse joint? The rear edge of my wings touches the fuse- I was thinking vinyl stick on shelf liner?
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Old 03-07-2015, 07:18 PM
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5150flyer's Avatar
United States, OR, Portland
Joined Mar 2007
1,106 Posts

We use tool box shelf liner from Harbor Freight. The wing to fuse fit on this plane is not that great, but I don't recall it being a noise issue.
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Old 03-07-2015, 07:34 PM
DA rocks
MaceH's Avatar
Joined Jun 2011
978 Posts

Yea 5150, the fit is very good on mine, ended up using about same as what you suggest- cut the noise in half; plane is quite quiet now. The trailing edge at the fuse was crazy clangy in spite of the nice fit, dampened well now.

Root cause is the vibration and working on that. One thing after another but plane is getting much better. Finally getting some enjoyable flights with more than a gallon through it.
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Old 03-21-2015, 05:55 PM
Registered User
United States, OH, Whitehouse
Joined Mar 2011
11 Posts

After my VV40 seized up I was planning on putting a DA50 on my plane. Sent an email to Extreme Flight and they said that the airframe would be OK, but recommended a smaller engine 30-40cc. Back to square one looking for a different power plant. I've got an electric set up available but have the gas version of the plane.
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