[PSUBS-MAILIST] how to calculate how deep a hull can go?

["bruno masse" <rodin4@videotron.ca>]

I every body i,d like to now if somebody now how to calculate how deep

a sphere can go?  exemple:if i have a 48 inch 0.50 thick hemispherical

hull well equip,2 inch thick acrylic bubble,good scrubber,good truster

filled whit oil,and a good supply of air,how deep you thing a can go whit

this sub? 

                   hope to have reply, thanks,

 

 

                                                                 bruno masse ,quebec