firetruck stainless tank fabrication need help

[Iain Westland]

build 4 boxes 4x4x6, interconnect with rubber hose, plenty of bracing and internal baffles. youd then have smaller actual boxes to worry about cracking but the same overall volume.

Iain

 

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can you not get the tank fibreglass lined or something? Don't know what sort of costs would be involved though