There are two of us here [in Toronto, M owners] banging heads on this
subject. Not only does the location mean any rear-ender = a blob of melted
goo in the road, but any track driving sends fuel flying out the filler on
left handers. But it appears that the stock US15gal Fuel Safe L24"xW19"xH9
1/8" bladder-in-a-can cell [Sportman or Pro] will fit, but with several
"issues":
[1] The top of the tank mounts almost flush with the deck, meaning you lose
the deck behind the bulkhead, and the tank is not enclosed.
[2] Hooking up to the orginal filler is going to be a challenge. Moving the
tank filler plate is custom [$$], but the filler hose would still rise above
the deck level. Taimar owners can just lift the hatch to fill, and for fixed
windows, I've seen a filler mounted through the bottom edge of the window,
and it looks good.
I can send a close-up pic of a fully race prepped Vixen with the Fuel Safe
tank installed [by CSC Racing] if anyone wants. It shows the mounting frame
design.
Also Adrian Venn in the UK sells a custom baffled alum IMP13gal for STG155
[foam is extra; design is taken from the Cosworth Turbo]. But race car
builders tell me that for the M tank position, only a real [bladder] cell
should be considered. We will update the list once the job is done.
Gavin Ivory
-----Original Message-----
From: Malaboge@aol.com [mailto:Malaboge@aol.com]
Sent: Wednesday, January 13, 1999 12:49 AM
To: zehrinwa@umdnj.edu; tvr@autox.team.net
Subject: Re: gas tank
In a message dated 1/4/99 9:33:28 AM Pacific Standard Time,
zehrinwa@umdnj.edu
writes:
<<
Just to start the new year off on a happy note, I was talking with another
TVR colleague, over the holidays, about the complete absence of protection
from side, front, or rear impact in the TVR. He reminded me of the total
absence of protection of interior occupants from a puncture of the gas tank
due to a forceful rearend collision. I felt real good about that, after we
were done talking. Not that I'm looking for trouble, but... Has anyone
put a fuel cell in their TVR, as some type of effort to minimize the danger
of being burned to a crisp in the event of a rear end crash? Cost? Volume
of the tank? On that happy note, I'll say...
>>
Well I finally got 'round to this years email...
Yeah I agree, little old ladies with silver hair in Buicks with port holes
send shivers of monk-like self immolation through my mind whilst out in the
TVR. I too have looked into the fuel cell idea. Unfortunately, for the
2500's,
(and M's I'd guess) the shape of the tank is a problem. No one makes
anything
close as the width is a problem. You can get an 8 gallon unit that should
fit
ok, but anything bigger will have to be custom made.
The M cars will definitely have more grief as the tank compartment is just
"gas tank" sized. On the other hand, the M cars do not seem to be as much in
peril as the earlier unit, due to the isolated (but still vulnerable)
compartmentalization of the tank.
For those of you on a budget (OK, some call it cheap) a few random thoughts.
I built a 1/4" aluminum "shield" behind my tank. It is shaped like a "V" at
the back, with the pointy part to the rear. This plate is wrapped under the
tank (yeah you'll have to redo the straps under there, but they're probably
rusted clear through inside those little fiberglass slots anyway) and
fastened
so that there are straight pieces from the rear "V" shape that butt up
against
the rear main tubes. The idea here is that an impact will force the incoming
bumper either above or below the tank. Not rocket science, but might save my
life.
The other thing to consider is the rear wooden shelf in the back. On impact
that wood will shatter and the ruptured tank can spray as much gas as it
wants
up through the splintered wood cover. Replace this cover with an aluminum
piece. In an impact, the metal will wrinkle but will not separate enough to
allow gas through it. Of course it will still allow gas around it's edges
where it comes away from the edges of the body, but again, it may deter
enough
fuel to stop a "driver flambe".
Don't wanna be that shrimp on the barbie...
Nick in Nor Cal
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