Page "Ames Research Center" Paragraph 34

Using its 0. 30 cal light-gas gun and powder gun, the AVGR can launch projectiles to velocities ranging from.

By varying the gun ’ s angle of elevation with respect to the target vacuum chamber, impact angles from 0 ° to 90 ° relative to the gravitational vector are possible.

This unique feature is extremely important in the study of crater formation processes.