Mayf;
I agree with Doug. Thickness would depend on how stiff the final piece must
be; this is influenced by how long an unsupported span you have, whether you
have a compound curve, and whether you can put stiffening ribs on the
underside of the tonneau cover. Of course, the thicker the aluminum, the
harder it is to form and the higher the $.
In general, I'd guess that something around 0.040 to 0.060" might be
suitable if you can put in a few stiffening ribs or beads. Ditto for your
water tank, providing it's not too big. Corrosion resistance is a
consideration for a water tank; weldability might be, too, if you plan to
attach bungs.
Regards, Neil Tucson, AZ
-----Original Message-----
From: DrMayf [mailto:drmayf@teknett.com]
Sent: Thursday, August 15, 2002 10:42 AM
To: land-speed@autox.team.net
Subject: Tonneau Cover ?
I am starting to think about fabbing my tonneau cover for the world's
fastest Sunbeam. Doug Odum suggested I use 3003 aluminum heat treat H13. Ok,
But what thickness is best? And if I need to fab a water tank, what
thickness of al shuld I use? Any criteria that it must meet?
mayf, the red necked ignorant desert rat in Pahrump, with an almost complete
front yard watering system...if I just had grass now...and trees....and
bushes.....
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