Project X 7c3 Driver Shaft Specs | Certified |

But that night, he couldn’t sleep. He kept hearing the note—G#. The same frequency as a 7C3’s harmonic death.

Marco called his only remaining contact in the industry: Lena Okonkwo, a composites engineer who had worked for True Temper’s Project X division in 2012. project x 7c3 driver shaft specs

The 7C3 doesn’t exist. You won’t find it on the USGA conforming list, on eBay, or in any fitter’s matrix. But if you ever meet a grizzled club tech with a burned right hand and a driver that sounds like a tuning fork at impact—don’t ask to swing it. But that night, he couldn’t sleep

The world went silent. Then the shaft screamed —a high-pitched G# note. The clubhead felt like it was on a string. The ball launched at 8°, spun at 3,400 RPM, and dove into the mud 180 yards away. Marco called his only remaining contact in the

He ran a deflection simulation. The 7C3 didn’t bend in a smooth arc like a modern Ventus. It stayed stiff in the handle, soft in the mid-section, then re-stiffened 8 inches from the tip. A double-kick profile. That meant one thing: this shaft was designed to launch the ball low, with increasing spin as swing speed climbed past 115 mph.

He packed his bag, drove home, and deleted the file.