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Topic - Can you blow your own?

ablackett - on 26 Nov 2012
Mythbusters, can you blow your own sail? For anyone who doesn't want to watch it. Big fan on a boat, sail set perpendicular to the fan. Boat goes forward.

http://www.youtube.com/watch?v=1QJz-BVXCI4

http://www.youtube.com/watch?v=uKXMTzMQWjo

I can't see how this can work. Any explanations using up to A level physics/maths please without using the word "reflected".

Andy
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