[TaihtDuhShaat]

Originally Posted by stoneage

Yes I know about it and I spent some effort to analyze it two years ago. My conclusion was that you should avoid using it since it is an unsound formula that doesn't tell you anything:
http://tt.tennis-warehouse.com/showthread.php?t=352140

This is purely based on my own experiences customizing my frames to Travlerajm's parameters of MgR/I, SW from 360-370, and MR^2 385-395:

Nothing else has even scratched to surface of the same league with regards to power, control, spin, volleys, and shot (including serve) accuracy and consistency for me.

I recommend all players at least try a frame once with specs of 382-386g, 31.75-31.9cm balance, 365-370 SW and see if it revolutionizes tennis for them.