David,
Just "thinking" of course: would it be possible to run a line out of each
end of the tank, into one line to the fuel pump?
Bob

----- Original Message -----
From: "David Marshall" <vanagon@VOLKSWAGEN.ORG>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Sunday, February 29, 2004 10:34 AM
Subject: Re: second gas tank in their vanagon? - Design Q

> We're going to be making some tanks later this spring from aluminium.
> (See
> http://www.syncro.ca/TriStar ) Right now I am in the R+D stage of the
> process and I have a few card board mock ups here at the moment.  For me
> these tanks are too important to get wrong! :)
>
> It will occupy the space between the outer and inner frame, it will have
> the
> correct VDO fuel gauge sender, it will have an optional coolant driven
> heat
> exchanger so that you can bring you fuel up close to coolant temperature
> (good for the veggie-oil guys like me), it will hold about 60 to 70L of
> fuel.
>
> The only concern that I have is these are going to be long narrow tanks.
> Does anyone have ideas on how to make a setup where if you are on the last
> 10% of the fuel on the tank and you go down a steep hill that you won't
> run
> out of fuel due to the pickup being 'up hill'?  I was thinking of a small
> 1L
> aux tank that will act as a 'capacitor' of sorts where it is situated
> between the main 70L tank and the engine.  It has a one way valve on it so
> when you are sucking air the engine still takes fuel from the bottom of
> this
> mini tank - chances of going down or up hill for more than 1L worth of
> fuel
> is remote, but, the question is, how to auto-bleed the air from this when
> it
> does start seeing fuel again.  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.
>
> David Marshall
>
> Fast Forward Automotive Inc.
> 4356 Quesnel-Hixon Road
> Quesnel BC Canada  V2J 6Z3
>
> http://www.fastforward.ca    mailto:sales@fastforward.ca
> Phone: (250) 992 7775        FAX: (250) 992 1160
>
> - Vanagon Accessories and Engine Conversions
> - Vanagon, Transporter and Iltis Sales and Importation
> - European Lighting for most Volkswagen models
>
>
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>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com]On Behalf
> Of John Carpenter
> Sent: February 29, 2004 8:38 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: second gas tank in their vanagon?
>
>
> Hi All,
> There was a group purchase, about three years ago,
> for the extra saddle bag gas tank,
> that fit under the passenger side sliding door area.
> The purchase was put together by Bill Kasper, I believe?
> Does anyone have any saved Pic's of this tank?
> My address for the tank, is no longer viable.
> JC...
>
>  I realize this isn't strictly on the subaru topic, but has any one
> installed a second gas tank in their vanagon? I've heard rumor of south
> african ones... How are they filled and where are they? I'm also
> interested
> in any other good ideas.
>   Hahn Rossman
>   Alki Foundry LLC
>   3600 East Marginal Way South #11
>   Seattle Wa 98134-1130
>