"Dave" wrote in message
...
On Tue, 25 Apr 2006 23:39:49 GMT, "The3rd Earl Of Derby"
wrote:

Nick wrote:
When welding the petrol tank underneath your vehicle, make sure
you put a chock under a wheel so it doesn't turn
http://tinypic.com/whli80.jpg

Braindead on two counts wood props and welding the bleeding tank in situ.

Well as you say the wood prop are a dead giveaway groan. However welding
a
petrol tank (in situ or not) is a dodgy task. AFAIK it's even more
dangerous
when the tank is empty - as it's the petrol vapour that's explosive. I
think the
tank should be filled with water - again afaik.

It should be purged with nitrogen and left full of nitrogen while welding.

Colin Bignell