The model NCC08-75-3000-3X non-commutated dc linear actuator, also known as a direct-drive voice coil actuator, can generate a continuous force of 300 lb (1,330 N) and a peak force of 900 lb. (4,000 N) at a duty cycle of 10% (1 second on and 9 seconds off). A moving mass of just under 8 lb (3.6 kg) allows for a maximum theoretical continuous acceleration of nearly 38 G. The actuator has a stroke of 0.8 in (20 mm) and a motor constant of 17.6 lb/sqrt (W) (323 N/sqrt (W)).