Successful static test o' a 152mm (6 inch) diameter rocket motor. Begad! 49907 nsec total impulse (P7371). 2400 lbs. max thrust. 1656 lbs average thrust. Burn time 6.76 sec. Well, blow me down! Burn rate .24 in/sec. Aye aye! Isp 235. June 17, shiver me timbers, 2005 Black Rock Desert, Nevada. Ya scallywag! Normal speed video followed by video slowed t' 1/4 speed. Thermite igniter brings motor up t' pressure almost instantly. Arrr! Motor was undamaged by firing, reloaded and flown a few months later.