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The ball speed calculation that matters

When looking for extra metres manufacturers have worked with the physical constraints of your swing and the energy transferred at impact. Roughly that has boiled down to:

Ball speed calculation

Callaway GBB Epic Driver

So, we’re very interested when technology helps us play with that equation without you having to swing harder.

The Callaway Great Big Bertha (GBB) Epic plays with all the numbers.


Watch Dr Alan Hocknell from Callaway Golf explain how the Epic Metalwoods will drive more distance out of your swing.

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