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#1
10-09-2011, 01:36 PM
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| bow ballast tank pickup question I have a bow tank, that fills with water on a high speed planning hull. It has 1 3/4" dia pickup, and I am trying to guestimate the amount of pressure on the tank, for eg at 70mph and when filling. I need to fit an inspection hatch into the tank and want something capable of holding up under the forces  |
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#2
10-09-2011, 02:26 PM
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| Well, ram pressure is 1/2*rho*v^2 so 73 psi give or take. That compartment better have some serious structure or be vented. If it is vented, max pressure is going to be geometry dependent.
__________________ A vessel is nothing but a bunch of opinions and compromises held together by the faith of the builders and engineers that they did it correctly. Therefor the only thing a Naval Architect has to sell is his opinion. |
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