Sk Fiber and Mercury are two good graphite shaft options. For steel shafts, the main thing is shaft straightness (i.e. residual bend), but I don't know if any manufacturers are really better than others in this regard.
Tedd -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Jeremy Ingle Sent: Wednesday, December 08, 2004 9:15 AM To: [EMAIL PROTECTED] Subject: Re: ShopTalk: Most stable plane of shaft oscillation John and Alan any recommendations for good shafts? Alan Brooks wrote: > Thanks, John, I'm in the 'Buy good shafts and it doesn't matter' camp, > too. But that's my practical side. My analytical side keeps me > asking "Why?" > > Alan > > At 05:48 PM 12/7/2004 -0700, you wrote: > >> Hi Alan, >> >> I didn't see any response to your question so I thought I'd give you >> my two >> cents worth. >> >> Finding these two planes has nothing whatsoever to do with their >> "stabililty". I just so happens FLO will occur in these to planes so >> they >> are easy to identify by the FLOing process. The reason many clubmakers, >> myself included, try to align the weak plane in some orientation is to >> minimize the shaft's rotation or twisting during the swing. If you >> bend a >> shaft in anything other than it's weakest plane Mother Nature will >> try to >> rotate that shaft into its weakest plane. That's what you see when >> you bend >> a shaft in a spine finder. The problem becomes what plane is the >> shaft bent >> in during the swing? Unfortunately the shaft rotates during the swing >> so who >> knows whether the weakest plane is really being bent or not. Some rather >> brief tests I ran with some rather bad shafts indicated to me that weak >> plane at 3:00/9:00 or 9:00/3:00 (they're the same) worked best. The very >> best solution however seems to me to be to just by shafts with very >> little >> differential stiffness. A max variation of 1 cpm is not uncommon in some >> name brand shafts. Aligning these shafts I think is a waste of time. >> >> Cheers, >> John K >> ----- Original Message ----- >> From: Alan Brooks <[EMAIL PROTECTED]> >> To: Shop Talk <[EMAIL PROTECTED]> >> Sent: Monday, December 06, 2004 4:24 PM >> Subject: ShopTalk: Most stable plane of shaft oscillation >> >> >> > Hi all, >> > >> > The question came up recently on Tom Wishon's forum regarding the most >> > stable plane of shaft oscillation (if there is such a thing). >> Assume a >> > simple shaft with more and less stiff bending planes (hence higher and >> > lower frequency planes), 90* apart. Is one of these two planes more >> stable >> > in lateral oscillation than the other? If so, why? Another way of >> posing >> > the question is if you twang the shaft in a plane half way between >> the two >> > (at 45* to either) and wait for the shaft oscillations to decay into a >> > single plane, which will it be? >> > >> > Thanks, >> > >> > Alan Brooks >> > > > > -- Jeremy F Ingle Chief Executive Officer SPI Consultants (613) 234-9560 ext 227
