Originally Posted by newyorkstadium
I too know nothing about physics.
If travlerajm could rebuff the claims that the physics are wrong, I would be delighted, as i have tuned my racket to optimal mgr/i.
it's not that the MgR/I formula is somehow against physics. It's just that having MgR/I = 21.0 has as much relevance to the racket being 'good' as the racket being 'red', or 'painted in stripes'.