Project X 7c3 Driver Shaft Specs May 2026

Marco didn’t listen. He had a raw blank of the original 7C3—the only one left—sitting in a tube behind his workbench. He’d bought it years ago at a surplus auction, thinking it was a standard Hzrdus.

At exactly 119 mph of clubhead speed, the shaft would enter a harmonic oscillation. The tip wouldn’t just kick—it would whip sideways . Launch angle would drop by 4°, spin would jump by 1,200 RPM. The ball would start straight, then dive left like a wounded duck. project x 7c3 driver shaft specs

That night, he built a driver: a 9° SIM head, hotmelted to 204g. He tipped the 7C3 0.5” (against Lena’s screaming advice). He gripped it with a Tour Velvet Cord. Marco didn’t listen