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Old 11-30-2012, 08:34 PM   #4
NLBwell
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Join Date: Jun 2004
Posts: 6,870
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So, to put it in units that tennis uses:

Flat serve - 110 to 123 mph w/average at 116 mph
................. 679 to 1754 rpm w/average of 1217 rpm

Slice serve - 96 to 111 mph w/average at 104 mph
.................1884 to 2548 rpm w/average of 2216 rpm

Kick serve - 85 to 98 mph w/average at 91 mph
.................2721 to 3705 rpm w/average of 3213 rpm

Last edited by NLBwell : 11-30-2012 at 08:40 PM.
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