[PSUBS-MAILIST] Gamma upgrade

[hank pronk via Personal_Submersibles]

Hi All,Elementary 3000 is in final  assembly stage, now that the final paint is dry.  That gets me thinking about getting Gamma done.  Gamma is also ready for final paint and re-assembly, But, I am thinking  now it should have a 10hp diesel engine in the escape pod.  I can mount the engine on a track so it simply slides out of the pod and into the hull if I need to escape with the pod.  I would use the engine as a generator to power the thrusters and maybe add a couple of thrusters for more speed since the power is only limited by  fuel supply.  A shaft or magnetic coupler through the hull would be more efficient but then it is more complicated to remove the engine in an emergency also the pod is not buoyant enough for the extra weight of a prop assembly. Things to sort out, Cooling the engine- it could  be keel cooled or a heat exchanger so it can have proper temperature control and anti freeze.Exhaust- I have to think about that one-I would need a valve that can handle the heat or water cool the exhaust.  If the exhaust is water cooled then I would need an extra pump and in that case I could use a heat exchanger for cooling.  I would like to avoid a raw water pump.Fuel- I imagine an external fuel tank is best with a bladder so the tank does not need to be a pressure vessel.  Much to consider.Hank
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