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Warp Drive Prop pitch on 582.

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815TL

Joined: 10 Oct 2008
Posts: 62

Posted: Thu Apr 09, 2009 4:25 pm Post subject: Warp Drive Prop pitch on 582.

Hi Guys,

Dave Patrick was nice enough to come out to my area to give me some serious training over the next few days.  We flew over 3 hours today.



Anyway he said that we are not turning high enough RPMs, and we are loosing a lot of power.  We should be climbing at close to 1000fpm, and we are doing maybe 400fpm.  The RPMs at take off are only about 5700, and should be closer to 6500.  He wants to adjust the prop pitch, but we are not sure of what the degree should be.  Can anyone tell us what you are running, or point us in the right direction to see what the degrees should be?



Thanks,

Andrew, 

Kitfox II, 815TL, Rotax 582 C.

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dave

Joined: 22 Sep 2006
Posts: 1382

Posted: Fri Apr 10, 2009 2:38 am Post subject: Re: Warp Drive Prop pitch on 582.

Andrew, 



Check  tach  -- do you use a tiny tach ?  Many others have found to be un-reliable and inconsistent.   But you  climb rate does say something it not right.  I had a tach once that read 600 rpm low .....  and on a two stroke your max power it the last 400 to 1000 rpm of the rpm range.   eg --  5600 to 6200 is where the most power is.



For prop. just make the pitch finer 1/4 degree at a time and run up till you  get 6200 static.  You do have a prop gauge?

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