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
Knelson, If swimming underwater is faster, it is because there is even more resistance for each stroke to be more effective. If you swam in a vacuuum, you would not move. Just like dragsters run faster at lower elevations. I don't know that swimming underwater is faster. I have heard this. But I don't know of any proof. It may depend on the individual swimmer.
Does water pressure go up as you get deeper,yes.Is this a significant issue at racing depths,no.You don't need to clear your ears to go 4 ft under the water,the pressure differential isn't that great.Kirk is right that increased lever arm is a much greater factor.
Swimming underwater is faster than at the surface because you aren't generating waves.The actual hydrodynamic formulas are more complicated than I understand,but as a general rule of thumb resistance goes up as the square of velocity underwater and as the cube of velocity on the surface due to wave generation.This is why SDK can be so fast even though it doesn't generate nearly the force as full stroke does.This is easy to test,push off underwater,then push off on the surface,which went further.
Knelson, If swimming underwater is faster, it is because there is even more resistance for each stroke to be more effective. If you swam in a vacuuum, you would not move. Just like dragsters run faster at lower elevations. I don't know that swimming underwater is faster. I have heard this. But I don't know of any proof. It may depend on the individual swimmer.
Does water pressure go up as you get deeper,yes.Is this a significant issue at racing depths,no.You don't need to clear your ears to go 4 ft under the water,the pressure differential isn't that great.Kirk is right that increased lever arm is a much greater factor.
Swimming underwater is faster than at the surface because you aren't generating waves.The actual hydrodynamic formulas are more complicated than I understand,but as a general rule of thumb resistance goes up as the square of velocity underwater and as the cube of velocity on the surface due to wave generation.This is why SDK can be so fast even though it doesn't generate nearly the force as full stroke does.This is easy to test,push off underwater,then push off on the surface,which went further.
