fuel tank venting w/perry regulated pump

[Bob Pastorello]

That's what I've started doing - using the check valve on a "T" in the vent line.  T exits fuse side, leave it unplugged when fueling and sitting.  Plug just before takeoff.  Tank then vents by drawing through check valve.

Bob Pastorello
NSRCA 199  AMA 46373
rcaerobob at cox.net
www.rcaerobats.net


  ----- Original Message ----- 
  From: twortkoetter 
  To: discussion at nsrca.org 
  Sent: Sunday, February 27, 2005 7:19 PM
  Subject: RE: fuel tank venting w/perry regulated pump


  Could you use a one way check value that air to enter the tank or is the idea to let air exit the tank?  I assume it is to let air enter the tank to keep it from crushing itself from the pressure that is created from the pump pulling the fuel out of the tank.  I am also thinking about installing a perry pump to replace the regulator that I am using now.  

   

  Tim

   

  -----Original Message-----
  From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org] On Behalf Of Ken Thompson III
  Sent: Sunday, February 27, 2005 7:08 PM
  To: discussion at nsrca.org
  Subject: Re: fuel tank venting w/perry regulated pump

   

  Ron,

  Vent to atmosphere through the same line that you would normally run to your muffler, the line that has the internal tank tube that normally curves to the top of the fuel tank, on the inside.

   

  Ken

    ----- Original Message ----- 

    From: ron donato 

    To: discussion at nsrca.org 

    Sent: Sunday, February 27, 2005 7:47 PM

    Subject: fuel tank venting w/perry regulated pump

     

    i just installed a perry pump and the instructions say not to use muffler pressure to the tank. my question is, how do i vent the tank properly so i don't create a siphon from the vent line?


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