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Originally Posted by pythos
German boats (to my knowledge) did not do this assistance and just went flank through the sheer power of the diesels.
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Sure they did it!
This is how Prien got out of Scapa Flow again!
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Now, here is something most don't know. The real early boats had constant speed engines (ones that turned at 1 set rpm, usually VERY high). The boat's speed and direction was controlled by changing the pitch of the propeller blades!! But these could be backed up on the diesels and one could be pushing while one pulled, for maneuvering.
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To which nation boats are you reffering now ?
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Originally Posted by pythos
Yes WWII had fixed pitched props.
It was only the early Paraffin powered boats of the German navy that had this feature, and it was very troublesome.
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Lets get the facts straight gentlemen. There was exactly one u-boat build for the imperial german navy that had controlable pitch propellers and this was the SMU 1. This configuration was given up since then because of the low efficiency of this sort of propellers.
For more info check my website:
http://www.dreadnoughtproject.org/he...r%20backup.htm
http://www.dreadnoughtproject.org/heinrich/