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Trade off by using non confirming driver?


Jerry in China

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Hi all, after reading the non confirming driver building post. I was thinking about a non confirming. Any trade off? it seems that those driver are very light, and nomally spin the ball like hell. Comparing to somthing like EMS + GD, what is possible distance gain? And trade off?

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The only trade off I can think of is not being able to use it for tournament play.

Not all non-conforming drivers are as light as the Quelot (i.e. Kamui Works can build one to your specs.).

Would be great for those fun rounds!

Edited by FatMan
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i have those older non conforming yamaha inpres drivers. they are in the 196gram head weight so not

exactly light. i think they are easy and long with no apparent negatives aside from the fact you cannot

use it in pro-am level tourneys

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so, in that case, what is the yardage gain? Say I have a 250-260 average with a EMS 9.5, 46". How many yard should i expect to gain with a say 0.87 cor

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Your soul....... :tsg_smiley_devil:

Honestly the big "ado" about non conforming drivers before was that they were able to launch the ball higher with lower spin. Wishon did a study on this circa ERC II controversy. It became the mantra of club design since. It has shown with the distance gains from average players since that wave.

Nowadays you can get the optimal high launch/low spin combo for you with conforming equipment. You still may be able to squeeze out an extra yard or two from non-conforming equipment vs optimized conforming equipment but at that point not much.

If you are an amateur/low handicap and getting about 1.45-1.48 smash factor you are nearly optimized.

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As always XXIO said it very well, HI COR drivers probably had more impact in the older days where cor even reached 0.90!!

Nowadays technology and designs and materials have changed so much where non conforming drivers would probably easily out perform non conforming drivers of years past. Because of this for many players it may be hard to differentiate performance between conforming and non.

Nevertheless people still want non conforming drivers and I get inquiries every single week about non conforming.

Heck even I went for the non conforming twice in the last year with the Kamui and now Quelot. As I said in the blog perhaps it is psychological. (^_^)

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I see the difference when using non-conforming. There is a significant bounce off the face for non-conforming like the ball is shooting off the face faster than normal. But, I honestly think that having a good shaft will make more of a difference. So, having a non-conforming head will increase somewhat, but first things first make sure you have the correct shaft.

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