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Callaway Big Bertha Alpha driver measures to a D3 swingweigh by jessica delia
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Callaway Big Bertha Alpha driver measures to a D3 swingweigh |
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Recreation & Leisure
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Remarkably after 22 years, Sir Newton's swing hasn't changed a bit and neither has his theory of gravity and it is the Gravity Core that is the key to the Callaway Big Bertha Alpha driver.
The Gravity Core is a 2-inch tube is made up of a 1.5 gram fibre glass body and a 10.5 gram tungsten end and can be inserted into the sole of the driver either way round to move the CG. This gives you the ability to adjust the spin of the driver independent of launch angle, which Callaway say is the first time any driver has attempted to break this fixed relationship.
Insert the core piece with the heavy/tungsten end nearest to the sole and the weight of the end will pull the centre of gravity lower and thus lower the backspin imparted on the ball. Flip the gravity core around and the weight is positioned in more of a mid-CG position.
Callaway say they have seen up to 600rpm difference between the two settings in their player testing. They say that golfers with above average clubhead speeds, who want to limit spin and create a flatter ball flight with prefer the lower centre of gravity, whilst players looking for a more controllable, workable flight may prefer the mid CG position. The callaway x hot driver is a best choice.
A forged composite crown design combines with Callaway's Hyper Speed Face to produce a clubhead that is lightweight, but very strong and fast off the face. A total of eight different materials make up the Big Bertha Alpha club and give it a lightweight, yet strong, quality that allowed Callaway to limit the total weight whilst maintaining a playable D3 swing weight.
The adjustability isn't finished yet. Callaway has added two weight ports in the heel and toe of the Alpha driver to to alter the centre of gravity bias to suit your swing or shot shape preference.
Related Articles -
golf clubs online, golf online, callaway big bertha alpha driver, callaway x hot driver,
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