Swing weight D1, D2,D3,D4
Posted 03 October 2007 - 06:24 PM
Posted 03 October 2007 - 07:19 PM
The numbers D1, D2 are simply the scale, and are historical in nature.
It takes roughly 2g of weight in the head to move from D1 to D2.
5 SW points equals 1/2 a flex, so if you add 10g to the head, you add 5 SW points and soften the shaft by 1/2 a flex.
Posted 05 October 2007 - 07:50 AM
Just my curiosity..
Posted 05 October 2007 - 08:37 AM
So basically, while that is probably a true rule of thumb, it isn't really practical. With exception of wedges, you are probably never going to add enough weight to the head to change 5 SW points.
Posted 05 October 2007 - 05:04 PM
If my driver has a SW of D2 and I cut off 0.5" from the butt end and the cutoff weigh's 3 grams, can I add 3 grams of lead tape at the butt end and still maintain the D2 SW?
The change in length is what changed the swingweight, not the removal of a 3g piece of shaft butt.
You would have to add weight to the head to bring the swingweight back up - approximately 6g - since shortening the shaft will reduce the swingweight by 3 points.
I wouldn't worry about it though.
Go hit it first before you think you need to change the swingweight.
Shorter clubs simply have a lower swingweight... If the shaft flex is soft enough for you, you'll still feel the head just fine.
Posted 06 October 2007 - 07:10 AM
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