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Fuel feed problem in a YAK-55

 
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William Halverson



Joined: 27 Feb 2010
Posts: 88

PostPosted: Mon May 17, 2010 5:50 am    Post subject: Fuel feed problem in a YAK-55 Reply with quote

The thread on CJ-6 feed problems reminded me ....

The indicator (exteral wing mounted rotating gauge) on my left wing 'drains' much more quickly than the right one. After I land, and come back a couple of days later, the two indicators are balanced.

Ideas on the cause/remedy greatly appreciated!

Best to all!

William Halverson
Vallejo CA
YAK-55
N355YK


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dsavarese0812(at)bellsout
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PostPosted: Mon May 17, 2010 5:54 am    Post subject: Fuel feed problem in a YAK-55 Reply with quote

The fuel junction flapper valves are probably stuck open and allowing the tanks to cross feed.
Dennis
[quote] ---


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scott-p(at)texas.net
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PostPosted: Tue May 18, 2010 3:28 am    Post subject: Fuel feed problem in a YAK-55 Reply with quote

Hi Bill,

Mine does that all the time too. Except that some times the right drains
faster... Apparently the tanks are plumbed such that they can crossfeed
at the the point they make a common feed to the engine (which is located
at the drain valve behind the oil radiator...). I have the drawing
around here somewhere and will scan it and send it when I next get a few
minutes (which might not be until 2011 at the current rate...<VBG>).

Scott
Yak-55M
N155YK

William Halverson wrote:
Quote:


The thread on CJ-6 feed problems reminded me ....

The indicator (exteral wing mounted rotating gauge) on my left wing 'drains' much more quickly than the right one. After I land, and come back a couple of days later, the two indicators are balanced.

Ideas on the cause/remedy greatly appreciated!

Best to all!

William Halverson
Vallejo CA
YAK-55
N355YK





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javiercarrascob



Joined: 06 Sep 2009
Posts: 62
Location: Virginia

PostPosted: Tue May 18, 2010 3:58 pm    Post subject: Fuel feed problem in a YAK-55 Reply with quote

Hi Guys!

My 55 does the same, I fix it by flying uncordinated on the side that needs to be cross fed for about a minute or 2.

Yak-55
N5245H

JC

--- On Tue, 5/18/10, Scott Poehlmann <scott-p(at)texas.net> wrote:
Quote:

From: Scott Poehlmann <scott-p(at)texas.net>
Subject: Re: Fuel feed problem in a YAK-55
To: yak-list(at)matronics.com
Date: Tuesday, May 18, 2010, 7:27 AM

--> Yak-List message posted by: Scott Poehlmann <[url=/mc/compose?to=scott-p(at)texas.net]scott-p(at)texas.net[/url]>

Hi Bill,

Mine does that all the time too. Except that some times the right drains
faster... Apparently the tanks are plumbed such that they can crossfeed
at the the point they make a common feed to the engine (which is located
at the drain valve behind the oil radiator...). I have the drawing
around here somewhere and will scan it and send it when I next get a few
minutes (which might not be until 2011 at the current rate...<VBG>).

Scott
Yak-55M
N155YK

William Halverson wrote:
Quote:
--> Yak-List message posted by: "William Halverson" <[url=/mc/compose?to=william(at)netpros.net]william(at)netpros.net[/url]>

The thread on CJ-6 feed problems reminded me ....

The indicator (exteral wing mounted rotating gauge) on my left wing 'drains' much more quickly than the right one. After I land, and come back a couple of days later, the two indicators are balanced.

Ideas on the cause/remedy greatly appreciated!

Best to all!

William Halverson
Vallejo CA
YAK-55
N355YK

http://www.matronics.com/Navigator?Yak-List --> http://forums.matrobsp; - List Contribution Web Site -http://w=======================



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racemech11



Joined: 19 Oct 2009
Posts: 10

PostPosted: Tue May 25, 2010 10:00 am    Post subject: Re: Fuel feed problem in a YAK-55 Reply with quote

Anyone have a spare gauge? I only have one on the left side and would like to add one on the right.

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