This motor has a 9" case, 4x1.75" Bates grains at 3/8" bore and a nozzle diameter of 23/64".

The nozzle has two fender washers as the choke to prevent erosion and uses anchoring cement for the nozzle itself.

Overall pressure should be 300 psi and average thrust of 36lbs, and total impulse of 132 NSecs.