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# Shaft Flex and Swing Speed

Assuming we're talking about a driver here. I realize the a Regular vs. Stiff shaft flex can affect different components of a swing weather that being face position at impact, launch angle, etc. My question relates to club head speed alone. Let's say a golfer has a 95 mph swing. That's right on the verge of stiff vs regular for many shaft companies. Assuming all other variables are equal, what would be the difference in club head speed between a stiff and regular shaft?

I would think the regular shaft has a faster club head because of the head whipping more through the impact zone. But how much? 1-2mph? 5mph? 10mph?

Thanks,

### Re: Shaft Flex and Swing Speed

Originally Posted by kfowler
Assuming we're talking about a driver here. I realize the a Regular vs. Stiff shaft flex can affect different components of a swing weather that being face position at impact, launch angle, etc. My question relates to club head speed alone. Let's say a golfer has a 95 mph swing. That's right on the verge of stiff vs regular for many shaft companies. Assuming all other variables are equal, what would be the difference in club head speed between a stiff and regular shaft?

I would think the regular shaft has a faster club head because of the head whipping more through the impact zone. But how much? 1-2mph? 5mph? 10mph?

Thanks,
Whipping like a garden hose after you accidentally drop it - water all over the freakin' place.

### Re: Shaft Flex and Swing Speed

I had the same question. I am thinking about purchasing a \$15 demo club in the stiff flex and comparing it to the regularflex in my bag( same club).

### Re: Shaft Flex and Swing Speed

they don't flex that much.

The R will flex a little more before impact to square the clubface and the S might be a little behind the regular and cause a fade.

the main difference would be ball-flight.

### Re: Shaft Flex and Swing Speed

Originally Posted by clam fist
I had the same question. I am thinking about purchasing a \$15 demo club in the stiff flex and comparing it to the regularflex in my bag( same club).
Well if we were in the same town, we could switch.

I've been playing stiff for years but my distance has really gone down this year. I'm striking the ball much better but as a trade off, I believe my swing speed has reduced. Part that sucks is I've replaced my entire bag over the last two years. That's a lot of shafts to replace if I have to. I've got some old R flex irons I may try.

### Re: Shaft Flex and Swing Speed

At 95 mph, the regular will take a good amount of timing and rhythm to keep it in play, and it will launch the ball higher. Stepping up for a stiffer shaft will bring down the shot dispersion, all things being equal.

I'm a 112-115 driver swinger, and I'm shopping for a swith to a heavier x flex from my current Fuji Rombax S 85.
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