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push vs pull vis a vis rudders
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Wayne.B
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push vs pull vis a vis rudders
On 29 Mar 2004 12:01:16 GMT,
(JAXAshby) wrote:
the water pressure on either side of a rudder is the same for water drawn over
the rudder.
====================
Only if the rudder is parallel to the direction of flow. At an angle
to the flow, water is deflected, momentum is changed, force is
created. It's not very much force in reverse, not enough to be useful
for maneuvering, but a force nevertheless.
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push vs pull vis a vis rudders