Fuel tank

[Ihncheol Park]

Jerry,
what size fuel tank is it?
Maker?
If you changed the clunk tubing, have you tried those thin-walled silicone
tubing that come with GP/Hobbico tanks?

Many of those imported ARFs have the thin-walled clunk line.  They move
around the tank much easier than Sullivan, Dubro tanks.
Tettra and OK model tanks (Probably MK also, but not sure because I have not
opened any of my 6 new MK tanks yet) have thin-walled clunk line, but
slightly thicker than the one mentioned.

I always keep those clunk tubing with clunk when I have to throw away leaky
fuel tanks.

Hope this helps,

Ihncheol Park

  -----Original Message-----
  From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]On
Behalf Of Jerry Wilson
  Sent: Monday, April 28, 2003 8:03 PM
  To: discussion at nsrca.org
  Subject: Fuel tank


  I have just found a problem that I'm sure many people on the list have
solved before.  Often while doing a stall turn, my engine would stop and a
dead stick landing would follow.  After discussing this with a friend at the
field it was suggested that it could be a fuel tank problem.  So I took the
tank out tonight to have a look.  With fuel inside I could see that when the
tank was inverted as in a stall turn manouver as you go over the top,  the
clunk would often rest against the side of the tank.  So when the nose is
pointed down, the clunk could hang at the aft end of the tank but the fuel
is at the nose.

  I've changed the length of the tubing (shorter and longer) and even added
a wheel collar to the line at the clunk, but so far I can't tell much
difference.

  Any suggestions would be appreciated,

  thanks,
  Jerry
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