ive been orienting spine up and frequency matching on target line plane, but i have found that i loose flo when the head is attached acounting for center of gravity but by making slight adjustment regain flo with the head attached. Ive been working with the mitchell digiflex for about four months now and i have no degree in engineering so what i know i have learned by trial and error and watching the strands on shop talk develop. It seems there are many varying theories on how and why for shaft matching and annalysis. Most of the spines i have encountered are slight 1-3 cpm variance But i strive to improove the performance on all of my clubs so i believe it worth the effort. Jim
> -----Original Message----- > From: Dave Tutelman [SMTP:[EMAIL PROTECTED] > Sent: Tuesday, January 06, 2004 8:23 AM > To: [EMAIL PROTECTED] > Subject: Re: ShopTalk: Dual Plane FLO shaft matching. > > At 10:56 PM 1/5/04 -0500, Jim & Ivette wrote: > >I am working on a shaft matching concept that is fairly interesting. with > > >the head mounted, I am orienting the shaft to achieve a flat line > >oscillation on the target line and toe up/down ( spine up) then frequency > > >matching from that position. Has anyone tried using this method? Its a > bit > >tedious but produces a very consistent set. > > Hi, Jim. > > I guess it's a commentary on something that this is viewed as unique and > interesting. It should be basic -- except that you don't really need the > head mounted for FLO. From things I learned as an undergraduate > engineering > student before 1962: > > * The true spine and NBP (that is, the stiffest and softest directions > of > the shaft) are given by the high-frequency and low-frequency FLO. > > * The true spine and NBP are 90* away from one another, so you should be > > able to FLO in both the target plane and heel-toe plane. > > * You will get the same orientation for FLO whether you use a tip weight > > or a clubhead. (The same does not go for the actual frequency matching.) > > These are things I've been saying for years -- long before I believed > there > was any value to spine orientation. > > I guess the more interesting questions for your process are: > > (1) Do you put the stiffer FLO in the target plane or heel-toe plane? > > (2) Which plane do you frequency-match? (Note: you can't match both planes > > in general -- only if the spine is the same "size" in all the shafts.) > > (Personal opinion: If it matters at all, the answer to both questions is > heel-toe plane. But if it matters, you're probably using a shaft with more > > spine than it should have.) > > Cheers! > DaveT >
