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Questions regarding performance

 
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AirEupora



Joined: 01 Nov 2009
Posts: 147
Location: Dixon, CA

PostPosted: Fri Oct 30, 2015 3:08 pm    Post subject: Questions regarding performance Reply with quote

I have a Europa XS with Whirl Wind ground adjustable prop. It's taken me three years to get this engine up to speed. I flew from KDWA to KCGZ (Copper State Fly-in). Then back on Sunday. I averaged 6.0 Gph, 110 kts. My IAS 96-98kts TAS 105 at 2950 rpm my manifold gauge shows about 16-18 inches. Takeoff RPM's about 2850(at)85kts. It will over speed in cruise if I let it.

At one time it seemed that I could get 115 kts IAS, but now it only in the 90's.
Just started my first hundred hour inspection. Compression were low of 66/80 high of 74/80.

I have the HACman installed and use it for climb out as the engine runs rough if I don't lean. I have a 245 main jet installed. Cruise numbers are good and almost even at 640-680 (at)2950

I was wondering if anybody has a Lighten on this brog?

If it what your thoughts on what I have written!


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pete(at)usjabiru.com
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PostPosted: Sat Oct 31, 2015 8:19 am    Post subject: Questions regarding performance Reply with quote

Is the prop a two blade or a three blade?
Pete

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