The Callaway FT-i Driver: A Nostalgic Look at the Square Revolution

The Era of the Square Driver

In the mid-2000s, the golf equipment world was shaken by a radical design trend: square drivers. Leading the charge was the Callaway FT-i Driver. With its distinctive shape and unique sound, the FT-i promised to push the limits of Moment of Inertia (MOI) to unprecedented levels.

Why Square? The Science Behind the Shape

The primary goal of the square design was extreme forgiveness. By pushing weight to the extreme corners of the clubhead, Callaway maximized the FT-i’s resistance to twisting on off-center hits. This meant that shots struck on the toe or heel would fly significantly straighter and further than they would with traditional pear-shaped drivers.

Legacy and Impact on Modern Design

While the square driver trend eventually faded—partly due to the polarizing sound and aesthetics—the lessons learned from the Callaway FT-i deeply influenced modern driver design. The pursuit of extreme MOI and strategic weighting in today’s drivers can be directly traced back to the bold experiments of the FT-i era.

Is the Callaway FT-i Still Usable Today?

If you have an old FT-i gathering dust in your garage, it is absolutely still legal and usable for casual play. While modern drivers will likely outpace it in sheer distance due to advancements in face technology, the FT-i remains one of the straightest-hitting drivers ever produced.