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Excessive fuel burn on CJ6 (Housai engine)

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altman51

Joined: 17 Sep 2012
Posts: 14
Location: Savannah, GA

Posted: Fri Jun 23, 2017 7:31 am Post subject: Excessive fuel burn on CJ6 (Housai engine)

Am lately getting excessive fuel burn at about 19gph when previously it was about 15gph. anybody have this problem if so what did you find?

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pa3arw(at)ziggo.nl
Guest

Posted: Fri Jun 23, 2017 8:32 am Post subject: Excessive fuel burn on CJ6 (Housai engine)

Too low compression on one or more cilinders??



Regards,



Hans O.

Op 23-06-17 17:31, altman51 <waltman51(at)comcast.net> schreef:



 	  Quote: 	
		   

 

 Am lately getting excessive fuel burn at about 19gph when previously it was

 about 15gph. anybody have this problem if so what did you find?

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=470407#470407

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wlannon(at)shaw.ca
Guest

Posted: Fri Jun 23, 2017 9:26 am Post subject: Excessive fuel burn on CJ6 (Housai engine)

Fuel burn or fuel leakage??



One possibility if your fuel header tank has been modified to include a 

quick-drain fitting:    In flight normal positive pressure on the lower 

surface is sufficient to

force upwards any un-reinforced sheet metal access panel.   The header tank 

panel is a perfect example.  It is large and un-reinforced and, in my 

estimation, the centre portion could move upwards 5 or 6 mm or more, easily 

enough to activate a poorly placed quick drain.



Check it out.  If suspect, check the drain hole in the dome is open and push 

the panel upward by hand.



Walt

--

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altman51

Joined: 17 Sep 2012
Posts: 14
Location: Savannah, GA

Posted: Fri Jun 23, 2017 11:34 am Post subject: Re: Excessive fuel burn on CJ6 (Housai engine)

Thanks guys will check it all out.

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bwade154(at)yahoo.com
Guest

Posted: Fri Jun 23, 2017 3:34 pm Post subject: Excessive fuel burn on CJ6 (Housai engine)

If it was a Yak I'd say take a close look at your primer. in a Yak if its not in the center it continues to feed fuel to the engine.

       From: altman51 <waltman51(at)comcast.net>

 To: yak-list(at)matronics.com 

 Sent: Friday, June 23, 2017 11:43 AM

 Subject: Excessive fuel burn on CJ6 (Housai engine)

--> Yak-List message posted by: "altman51" <waltman51(at)comcast.net (waltman51(at)comcast.net)>

Am lately getting excessive fuel burn at about 19gph when previously it was about 15gph. anybody have this problem if so what did you find?

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altman51

Joined: 17 Sep 2012
Posts: 14
Location: Savannah, GA

Posted: Sat Jun 24, 2017 4:27 pm Post subject: Re: Excessive fuel burn on CJ6 (Housai engine)

I tweeked the primer and flew it for 30minutes...7.6 gallons of fuel

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