Quote:
Originally Posted by tonelar
Twin locks have the same system minus the o-ring on the outer edge of the tube.
The (effective) water pressure is increased against your hand as it and the watch experience drag while moving through the water. I believe Bernoulli's Law is in reference to the pressure of water acting against it's confines as when flowing through a pipe or other means of containment.
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Bernoullis principle doesnt not restrict itself to water or the confines of a tube. This is the main reason why an aircraft can get off the ground, and aircraft dont fly in tubes. Moving an object(plane) thru a static fluid(air, unless its windy, but it doesnt matter) and a realtive low pressure(vs under the wing) created over the top of the wing, Bernoulli "da man"....presto...you go up.