Great job on the tank. It looks excellent and gives a useful increase in
volume.
How do you intend to prove it complies with the requirements? I note the
pictures
show a test rig, possibly for functional tests? The tank will need to be
pressure tested, easily achieved using a long tube and a calculated head of
liquid
(please use water for the test and remember to recalculate for the higher
density).
The larger volume will need the basic static strength calculations to be
revisited.
Hhigher inertia loads and different CG location will alter the loads being
carried by the forward structure.
What is the weight of the bare tank?
I dont know where your project is based, for builders in the UK this would
definitely
be classified as a modification.
Regards
JW
--------
John Wighton
Europa XS trigear G-IPOD
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