Quote:
Originally Posted by cobrakiwi
Well I could be thinking over kill I guess, we would never go less than 2.5 on all our race boats and car tanks, never had a problem with them but sure was asked to look at repairing a few others.
1.6 may be fine with some shape in the baffles
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Yes the design will make a big difference. If they are butt welded they would be more likely to tear as the weld will be in the higher stress area. The heat of welding may also affect that area.