Pump

[Ken Thompson]

Jay,

I answered the original not noticing he was using the FL-70 not the FS-70.  I'm not familiar with the new system included with this motor, sorry if I messed you up with my answer.

Randy,

Thanks for realizing this and posting.

Ken
  ----- Original Message ----- 
  From: randy10926 at comcast.net 
  To: discussion at nsrca.org 
  Sent: Monday, December 05, 2005 4:39 PM
  Subject: Re: Pump


  I thought the FL-70 had a new system to pressurize the fuel tank.  Do you need the perry pump?

  Do not think I would run both a perry pump and the aeropressure thing that OS is advertising with the FL-70.

  Randy
  -------------- Original message -------------- 

  > Use the line that would go to your muffler as a vent. If you are drawing 
  > fuel from the tank, via a pump, you need a vent to equalize the pressure in 
  > the tank, so as to not cause a vacuum. If you are sucking the fuel out, you 
  > need to allow air back in. I normally fun the line straight down and out 
  > the bottom of the fuse, attach the line with a clamp to the firewall. You 
  > can also put a check valve in line to allow air to enter and no fuel to 
  > exit. 
  > 
  > After all of this, I never asked, do you already have the tank vented? That 
  > should have been my first question. 
  > 
  > One more thing, I've run the Perry VP-20 with muffler pressure, it works 
  > great. I believe the VP-30 says not to use muffler pressure. 
  > 
  > Ken 
  > ----- Original Message ----- 
  > From: "Jay Marshall" 
  > To: 
  > Sent: Sunday, December 04, 2005 7:48 AM 
  > Subject: Pump 
  > 
  > 
  > > Just installed a O.S. FL-70 4 stroke into a new plane and added a Perry 
  > > pump 
  > > because the fuel tank is over the CG. The question is: should I disconnect 
  > > the standard silencer-tank pressure connection? 
  > > 
  > > Jay Marshall 
  > > 
  > > 
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