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Old 01-05-08, 02:57 PM   #6
Dr.Sid
The Old Man
 
Join Date: May 2005
Location: Czech Republic
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Quote:
Originally Posted by HeavyDelta
Someone wrote that propellors must keep spinning to keep the propellor shaft seal lubricated and therefore watertight.
That is just poor excuse. DW does not change turn rate a bit, and subs does not use variable pitch screws. They just made it simple, that's all.
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