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first flight

Matronics Email Lists Forum Index -> Kitfox-List

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iworonko(at)cox.net
Guest

Posted: Sun Mar 23, 2008 4:16 pm Post subject: first flight

Hi Gang,

 after two years of rebuilding and a wide body and a  nose gear conversion mod, N58EW took to the air today. It flew nicely but since  I have not flown a Kitfox or the like before I see that the light controls will  get some getting use to. The little black ball looked like I was playing PinBall  with it.

 However , I did have one serious issue that I need  to resolve before further flights. When I reduce power to about 4500 RPM the  engine starts shaking badly and it continues to shake down to about 3500 RPM.  Below  and above that range it runs fine. On the ground it seems to run  fine. During mag check, one side drops more just a little more then the other  and shakes a bit.

 Oh yes, the engine is a 912UL with a IFA  Ivo.

 any ideas?

 Eric  N58EW   speedster

    [quote][b]

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kitfoxpilot(at)msn.com
Guest

Posted: Sun Mar 23, 2008 4:40 pm Post subject: first flight

Did you make sure both carbs were sync'ed, I would start with that.

 

Ray

From: iworonko(at)cox.netTo: kitfox-list(at)matronics.comSubject: first flightDate: Sun, 23 Mar 2008 19:12:46 -0500



Hi Gang,

after two years of rebuilding and a wide body and a nose gear conversion mod, N58EW took to the air today. It flew nicely but since I have not flown a Kitfox or the like before I see that the light controls will get some getting use to. The little black ball looked like I was playing PinBall with it

- The Matronics Kitfox-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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iworonko(at)cox.net
Guest

Posted: Sun Mar 23, 2008 5:51 pm Post subject: first flight

Yes, the carbs were synched at idle, dont remember  checking them in 3500-4500 RPM range

 Eric

    [quote][b]

- The Matronics Kitfox-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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pulsair(at)mindspring.com
Guest

Posted: Sun Mar 23, 2008 8:12 pm Post subject: first flight

Eric,

 Did you follow the service bulletin from Skystar to  shorten the isolator spacers on the engine mounts? Jeff Classic IV

 [quote]   ---

- The Matronics Kitfox-List Email Forum -

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iworonko(at)cox.net
Guest

Posted: Mon Mar 24, 2008 6:24 pm Post subject: first flight

Jeff,

 I couldn't find anything about shortening isolators  on Skystars list of SB's.

 Do you have a service bulletin number or a copy of  it?

 Eric

    [quote][b]

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pulsair(at)mindspring.com
Guest

Posted: Tue Mar 25, 2008 1:47 pm Post subject: first flight

Eric,

 It is Service Bulletin  54A. The e-mail is below. Though it was intended for the 912ULS the bulletin  recommends it for all 912's. Mine did the same thing yours is doing until I  shortened the spaces. Now I only have a harmonic vibration around 3,000 - 3,100  Rpm which I ignore. You may also want to check the torque.  Jeff

  

 www.kitfoxaircraft.com/Service%20Bulletins.htm  - 85k - 



 [quote]   ---

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