Slinghot fps vs projectile weight

[boyntonstu]

The Great Slingshot Shootout



Four different weight projectiles are shot with each slingshot.


FPS and energy results posted.

Edit:

9,5 mm steel is 3 gm, 48 grains. 249 fps

14 mm steel is 10 gm, 160 grains. 232 fps

20 mm steel is 30 gm 480 grains. 180 fps

19 mm lead is 36 gm, 576 grains. 164 fps


BoyntonStu