The Butterfly Lane

Butterfly, beautiful to watch, difficult to train. We SDK off every wall. We're most likely to smack hands with each other and those beside us. Fly's fun to sprint but no fun when the piano comes down What did you do in practice today? the breastroke lane The Middle Distance Lane The Backstroke Lane The Butterfly Lane The SDK Lane The Taper Lane The Distance Lane The IM Lane The Sprint Free Lane The Pool Deck
Parents
  • Does water pressure go up as you get deeper,yes.Is this a significant issue at racing depths,no. I think there's a misconception here. The water pressure has no bearing whatsoever. I don't care how deep you swim. Maybe part of the misunderstanding is thinking about air rather than water. We know an airplane can fly faster at high altitude because the air is "thinner." By thinner what is actually meant is the air is less dense. Water, on the other hand, is (effectively) incompressible. So, yes, when you go deep the water is exerting more pressure on your body, but density is the property that matters. Since the density is constant you won't need to apply more force to move forward at increasing depth. Consider a submarine. Its operating depth limit is solely dictated by the strength of its hull. At some point the water pressure will crush the hull, however the sub will be able to travel just as fast at its max depth. In fact a sub is more efficient below a certain depth becuause the increased pressure means there will no longer be any cavitation on the prop.
Reply
  • Does water pressure go up as you get deeper,yes.Is this a significant issue at racing depths,no. I think there's a misconception here. The water pressure has no bearing whatsoever. I don't care how deep you swim. Maybe part of the misunderstanding is thinking about air rather than water. We know an airplane can fly faster at high altitude because the air is "thinner." By thinner what is actually meant is the air is less dense. Water, on the other hand, is (effectively) incompressible. So, yes, when you go deep the water is exerting more pressure on your body, but density is the property that matters. Since the density is constant you won't need to apply more force to move forward at increasing depth. Consider a submarine. Its operating depth limit is solely dictated by the strength of its hull. At some point the water pressure will crush the hull, however the sub will be able to travel just as fast at its max depth. In fact a sub is more efficient below a certain depth becuause the increased pressure means there will no longer be any cavitation on the prop.
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