hi all heres my 2 pence worth
in comparision to a 16swg box chassis such as mine
to make a tubeular chassis it would be worth making it out of 1 1/4in tube which would enable you to drop the guage to 18swg and maintain the same stiffness and also drop the weight from about 52kg to 40kg
however as soon as you drill a hole in tube to say rivit on the floor it will reduce its strength more so then with box
and you have to be alot more accurate in doing so sich you have a curve rarther than a flat
hope this helps
calculations were very quick and very aproximate
tilly
Last edited by Tilly819 : 20th September 2010 at 07:54 PM.
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