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Old 12-08-2005, 07:19 PM
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Blazin72 Blazin72 is offline
You got a leaky spark tube...
 
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Almost every one of the submarines in the US Navy uses a Fairbanks Morse vertically opposed piston engine. They're two stroke engines but they run two crankshafts and do not utilize any valves. They operate in a similar manner to that twin crank four stroke. The cranks are connected by a large shaft and the gears at each end of the shaft are a giant ring and pinion that look almost identical to the ones found in automotive axles. They are loud as hell too.
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