[PSUBS-MAILIST] engine drive

[Juergen Guerrero Kommritz via Personal_Submersibles]

Hi Hank,An idea is to convert the motor to ethanol, it looses 10% power, but ethanol is saver than gasoline. The greatest problem is to avoid that the passengers drink the fuel :-).Best wishesJuergen
 

    hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> schrieb am 6:52 Sonntag, 20.August 2017:
 

 Hi All,My diesel engine did not work out in the end, and 6 hp I suspect is a bit skinny.   I do have a beautiful 15 hp 4 stroke Honda outboard that has been converted to run a hydraulic pump inboard.  I converted it many years ago to power my sternwheeler but ended up with an antique engine. The engine is stripped down to a bare engine with external water pump and internal oil cooler.  The problem is, it is a gas engine, and that is a big NO NO or is it?   If the fuel supply is outside the hull and the engine is run out of fuel before a dive, then there is no fuel at all inside the sub while it dives.  An engine compartment blower fan can constantly circulate air through a duct to the outside of the sub.  I know as a rule it is considered a bad idea but with careful   installation it could be a very nice drive system.  This would be much quieter and smoother than a diesel engine.  The Honda would be very easy to remove from the escape pod if I need to escape.  The Honda 4 stroke is as reliable as even a Yanmar diesel.   I was bragging to a Honda mechanic one time that the Honda starts with two pulls in the spring.  He said it must need a tune up LOL  it should start in one pull.  Hank_______________________________________________
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