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Member Since 04 Nov 2013
Offline Last Active May 09 2016 04:39 AM

#364706 Vacuum for Neutral Bouyancy

Posted by breathless on 27 August 2015 - 07:18 AM

These guys must add trim weights to their memory cards. Running with some round numbers 2.5 litres of nitrogen at 1 atm weighs around 3 grams. Pumping down to 0.75 atm lightens the housing by about 0.7 g, and is going to have no percievable effect on bouyancy.