Fuel Tank Baffles

[jmac]

I have building a 48 cubic foot aluminum diesel fuel tank approx 5ft x 5ft top 2ft deep at center and follows the bottom V shape. (360gallons)
What is the requirement for baffles. I heard something about 3 cubic, but that sounds like a lot of baffles.

[Ike]

This is from Title 46 Code of Federal Regulations Part 119 and applies to Commercial Passenger Carrying vessels under 100 gross tons, not recreational boats. This link is to a pdf file so you'll need Adobe Reader to display it.

http://www.uscg.mil/hq/msc/PRGuidance/e1-16.pdf

[Kaptin]

You might want to check out "Explosafe" Fuel tanks

http://www.explosafe.com/