RE: ShopTalk: Constant frequency

[Michael Pogor]

David,   Here is a simple example:   Let’s assume that we build two 9 irons, using the same type of head. Club A is built using a Dynamic steel shaft, and it reads 300 cpm. Club B is built using a TT-Lite steel shaft, and also reads 300 cpm. My experience has been that if you hit both clubs, Club B will feel “stiffer”. If you instead build Club B at 295 cpm, it will feel a lot closer in stiffness to Club A. In this case, I would say there is an adjustment factor of 5 cpm.   BTW, notice that I did not say that we built two “identical” clubs. Because of the difference in shaft weight, Club B will be lighter in swingweight if we use identical head weights. Or, if we want identical swingweights, then we will have to use a heavier head for Club B. What I am talking about is the final frequencies on the finished clubs. A lightweight steel shaft tends to play “stiffer” than its reading.   IMO, this is the biggest error that people make when they use frequency analyzers. Many people think that if they like one particular shaft at a particular frequency value, then other brands or types of shafts should be built to the same numeric value.  This is wrong!!!   Hope this helps, Mike   -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: September 28, 2003 11:20 PM To: [EMAIL PROTECTED] Subject: Re: ShopTalk: Constant frequency   In a message dated 9/28/2003 5:25:10 PM Pacific Daylight Time, [EMAIL PROTECTED] writes: Finally, one factor that I think is extremely important is that of “adjustment factor”. For example, a lightweight steel shaft tends to play stiffer than a Dynamic steel shaft. A 300 cpm Dynamic shaft might play and feel the same as a 295 cpm lightweight shaft. Rifle shafts have an even larger “adjustment factor”.   Hope this is a good starting point. Mike Hi Mike, This is news to me and potentially significant, as well as contrary to what I have found on clubs with the same swing weight. Could you elaborate further? David