fuel doesn't weigh 1kg per L
the problem with steel is that it rusts
it also makes sparks when bashed. ali wont rust or spark.
my tank is 1.5mm ali and my new one will be you guessed it. 1.5mm ali.
thought you had an AC tig talon?
i can make them pretty easily but i just dont have the time at the moment and i cant be bothered with all the mucking around if someone finds that there is a pin hole that i missed. ronnie has done his own too, he might do one for you if you ask nicely he is a lot more time rich than i am.