03-12-2013, 02:55 AM
MC Master Poster
Join Date: Sep 2008
Boat: 1977 Stars & Stripes
Location: St. Paul, MN
Originally Posted by FrankSchwab
OK, after spending 10 minutes searching to prove you wrong, I'll have to admit defeat. Wikipedia
has an excellent article on "Propeller Walk".
That is a very interesting article. I can't wait to get back on the water and do some playing around regarding what is said about going into reverse.
Finally, when moving ahead with the propeller moving astern, flow into and around the propeller is very confused. Generally the overall result for a single screw ship when stopping is a shear to starboard, but this is not always guaranteed; sometimes it may go the other way, depending often on any yaw rate on the vessel when the propeller starts to turn astern.
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