All other measurements being equal, does a higher bounce angle raise or lower MPF?
djcalied Answered question April 22, 2023
All other measurements being equal, does a higher bounce angle raise or lower MPF?
If someone was prone to striking it a bit high on the face, would bending the irons weak to increase the bounce be an effective way to raise the vertical cg a bit?
Not really. it might even lower it depending on the rearward cg location. Truth is, we want to drive the vertical cg under the cg of the ball. That is what creates solid feel and optimum trajectory. Trying to hit the cg of the ball directly on the cg of the iron head is a difficult task. The goal is to be at or below on the strike.
Britt Lindsey
Rlafoone’s explanation is accurate. Generally speaking a higher bounce angle raises the vertical cg which can negatively effect the playability. The front to back sole radius plays a roll as well. You have to have the right amount of bounce and proper sole radius front to back and we would never reduce a bounce from what is proper just to lower the vertical cg. However, I have started to see some models with a lot of bounce on a #6 iron (for reasons I don’t understand), and it does negatively effect the vertical cg.
Britt Lindsey
just a comment as Britt will have a more specific answer.
MPF is a mathematical formula, so all things being equal as you mentioned, would indicate that bounce would have no effect on the MPF.
On the other hand, if you would increase or decrease bounce, that may affect vcog, moi or rcog, etc. which of course would change the mpf (but all things aren’t equal then).
the following link shows how MPF is determined for iron heads..
https://www.golfworks.com/method-of-determining-mpf/