[urq] Pumps & Pots er wha?

Mon Mar 29 14:40:04 PDT 2010

Yes - this looks like it does what I did. Pretty good concept and use of off the shelf
components.  Mine fits the car better because it is a 2" dia. tube that is mounted along
bottom of the car. This would do the job if a suitable mounting place is found.  

It was 2 years ago and I played with a lot of configurations and if I recall
cylindrical devices were fit checked and struck out, so if anyone wants to use this, get
a filter and engine filter mount and make sure it will fit in the UrQ constraints.

Mine literally fits just above the trans. mount and runs neatly along the bottom.  The
piping is angled in two places to match the shape of the bottom of the car.  This will
all make more sense when I get the details on a web page.

Ben

  _____  

From: qshipq at aol.com [mailto:qshipq at aol.com] 
Sent: Monday, March 29, 2010 5:21 PM
To: benswann at verizon.net; robert.a.dupree at jpmchase.com
Cc: urq at audifans.com; quattro at audifans.com
Subject: Re: [urq] Pumps & Pots er wha?

This setup might help visually understand what Ben has done in the fuel capacitor
concept.  Most oil filters are rated for fuel as well, and that gives a wide range of
'non-welded' setups to his challenge...   if you can make it fit.  

http://www.bcbroncos.com/store/product_info.php?cPath=131_108&products_id=119

Cheers

Scott J

-----Original Message-----
From: Ben Swann <benswann at verizon.net>
To: 'Robert A Dupree' <robert.a.dupree at jpmchase.com>
Cc: urq at audifans.com; 'Quattro List' <quattro at audifans.com>
Sent: Mon, Mar 29, 2010 2:41 pm
Subject: Re: [urq] Pumps & Pots er wha?

I tee it in.  Add a tee into the return line so it can go into the pipe as well.

Thought about this long and hard and was going to try a number of ways.

When you think about how it works, you can understand the elegance in 

simplicity.  The

fuel return flow is equalized and part goes into the pipe and part goes into the 

tank.

By teeing it there will never be negative pressure on the pipe, nor too much 

pressure

causing a runaway flow.

It also allows to purge the filter sock  in the feed line that seemed to be 

loading up

every now and then.

All I can say is even if I didn't really know what I was doing, it works great, 

wheras

everything else before this failed.

Cheers!

Ben

  _____  

From: Robert A Dupree [mailto:robert.a.dupree at jpmchase.com
<mailto:robert.a.dupree at jpmchase.com?> ] 

Sent: Monday, March 29, 2010 3:04 PM

To: Ben Swann

Subject: RE: Pumps & Pots er wha?

THANKS!

Just to be clear - you're running the return from the fuel-rail back into this 

capacitor

instead of the normal return-to-tank pathway?  Have you simply capped that 

original

return-to-tank line?

Was there a magic volume equation you used to determine size & placement, or did 

you

start from available space and work into a 'what fits' scenario?

I suppose it will never get easier for me to make something that bloody right 

now!  I'm

very glad I happened to read the threads!

Rob D.

From: Ben Swann [mailto:benswann at verizon.net <mailto:benswann at verizon.net?> ] 

Sent: Monday, March 29, 2010 1:56 PM

To: Robert A Dupree

Subject: RE: Pumps & Pots er wha?

Rob,

As soon as I finish with some work that is outstanding, I will post a web page 

on this.

in the mean time I'll shoot you some pictures.

Ben

  _____  

From: Robert A Dupree [mailto:robert.a.dupree at jpmchase.com
<mailto:robert.a.dupree at jpmchase.com?> ] 

Sent: Monday, March 29, 2010 2:23 PM

To: benswann at verizon.net

Subject: Pumps & Pots er wha?

Hey Ben - I missed the original problem and description of your in-place 

solution.  As

I'm in the middle of re-vamping the fuel system on the 3B UrQ conversion, any 

BTDT you

have would be most appreciated.  Right now all hard lines, pumps, accumulators 

are off

the car.  I had not intended to remove the tank, but.. will see if I need to as 

a result

of your solution.

If it's documented on your website just forward the link please - I don't recall 

seeing

it the last time I was looking in.

Rob D.

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