I read this article on spines and nbp i think i get what you are saying now. I will let you know the results of my first test. Thanks - Jimhttp://www.clubmaker-online.com/spines.html ----- Original Message ----- From: "Mark A Patton" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, October 05, 2003 3:32 PM Subject: RE: ShopTalk: NBP-COG
> This presumes a particular type shaft. What we feel as Spine and NBP are not > always 180*. > Actually, John K has proved that spines are planes and always exist 180* > When a spine is felt 180* opposite of a NBP, check that there is not > residual bend in the shaft. > > > > Mark A Patton > [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Jim & Ivette > Sent: Tuesday, October 14, 2003 2:57 PM > To: [EMAIL PROTECTED] > Subject: Re: ShopTalk: NBP-COG > > > Hi Bernie, I agree with Doug but i strive to understand it, NBP-COG makes > sense to me and I am going to try it out on a set I am putting together this > week. I am still not sure about NBP, I am assuming that the spine is the > section of the shaft that rolls away from the bend when a load is put on it > from my spine finder, then the natural bend point will be 180 degrees out > from that point? Then when you put the shaft into the housel and lay it off > the end of the table the spine will point up and the NBP will point down > towards the COG of the head? Does this sound right? Thanks - Jim > ----- Original Message ----- > From: "Bernie Baymiller" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Sunday, October 05, 2003 10:34 AM > Subject: Re: ShopTalk: NBP-COG > > > > Doug, > > > > > The more I mess with spines and scratch my head > > > about how to orient the shafts, the more I appreciate shafts that don't > > have > > > spines. > > > > Me, too. > > > > > I suppose a strong spine properly aligned, whatever that means, > > > might be better than anything. > > > > According to those who hit the ball harder and farther than I, aligning a > > shaft's large spine (over 5 cpm?) at 12 o'clock makes a big difference in > > reducing the size of the impact area on the face. The more center hits, > the > > more longer, accurate drives. Thus, it's called a "supershaft alignment." > > Actually, though the USGA has made small deviations in stiffness around > the > > circumference of a shaft acceptable, large spines essentially make a shaft > > non-conforming to the rules of golf...at least, that's my opinion on the > > subject. > > > > > But it's hard to get bad results with no > > > spine. I just wish I could find more shafts like that. > > > > That's true. The SK Fiber shafts which I've been using almost always have > > less than .006" deflection (about 1 cpm) and play very well. Though I > > haven't used any Accuflex shafts because of their high price, those who > have > > used them report they are as good as the SK Fiber shafts. And, most > filament > > wound shafts have very little spine. If these manufacturers can do it, so > > could Penley, UST, Grafalloy, etc. IMO, the USGA should put a limit on > spine > > magnitude of 2 cpm. > > > > Bernie > > Writeto: [EMAIL PROTECTED] > > > > > > --- > Incoming mail is certified Virus Free. > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.520 / Virus Database: 318 - Release Date: 9/18/2003 > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.520 / Virus Database: 318 - Release Date: 9/18/2003 >
