Posted by buickanddeere on August 25, 2016 at 06:08:22 from (184.151.36.53):
In Reply to: Living dinosaur posted by MarkB_MI on August 23, 2016 at 02:44:28:
Some of the secrecy is for show or convenience . Given the metal alloy and thickness along with an engineering handbook. The pressure and depth can be calculated within a few feet.
Knowing commonly known info in an boiler operating engineer's text book the power, boiler, turbine and condensor size can be calculated to within a few percent .
Same goes for battery power capacity , weight and occupied volume .
Backup power and various support systems also have to follow the laws of physics .
Mount the machinery on it's own vibration absorbing platform and wrap the outer hull in some acoustic absorbing elastomer material.
RF communications and sonar hasn't changed either except for more computer data processing power.
It's not like a submarine, pressure vessel, electricity or a steam system is new top secret tech .
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