How about a line leading out each end of the tan into that "bowl"? then one
line to pump.

----- Original Message -----
From: "Michael Snow" <slowmachine@COX.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Sunday, February 29, 2004 10:55 AM
Subject: Re: second gas tank in their vanagon? - Design Q

> David Marshall wrote:
>    The only way I can see to do this is to have
> > the mini tank lower than the tank that you are draining from with a vent
> > coming out of the top of the mini tank that leads back to the main tank.
> > When you are back on the level again this design would make it fill up
> > again
> > as the air would have a way out and back into the main tank.
>
> I think that fabricating an approximation of the Syncro fuel return and
> pickup system might work.  Fuel returning to the tank goes into a "bowl"
> where the outgoing fuel delivery line is located.  This probably won't
> solve all of the problems associated with shallow tanks.  It's still
> possible that the van would be on a steep angle for an extended period
> of time that would exhaust the supply of fuel available in this small
> "feedback loop" system.  If you had two tanks (one on each side, or two
> smaller ones on one side) you could put the pickup point at the front of
> one and the rear of the other.
>
> Michael Snow
>