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Posted by Glen of Idaho [72.173.32.39] on Wednesday, December 19, 2012 at 11:47:01 :
In Reply to: Re: Science Marches On Dept. posted by Mark Michaels [184.63.219.116] on Tuesday, December 18, 2012 at 23:12:35 :
engines are made to fill the application.
English airplane engines were clockwise viewed from the front and American are counter clockwise. So the props are different. Counter rotating boat engines are in use also.
The hemisphere rotation of water going down a drain is a myth. You can change the direction by just slanting the bowl.