How much extra propulsion does optimal roll deliver?

Zenturtle · #1 01-03-2015

Assume we have 2 identical swimmers. Both have shoulders of steel, and very flexible.
One is swimming with a shoulder/hiproll of only 10 degress, the other with a roll of 45 degrees.
The rest of the stroke is as identical as can be.
Swimmer 1 is holding 1.40/100m pace for a 1500.
How fast is swimmer 2?

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