Ive seen mention of all kinds of rocket motor types and sizes. Could you give a brief history and summary of the main marketing names for model rocket motors?
From: msjohnso@WichitaKS.NCR.COM (Mark Johnson) The original hand-loaded motors made by Orville Carlisle and sent to Harry Stine in about 1956 were 0.5 in dia. (13mm) x 2.25 long (55 mm). These were used in early testing up until the time Model Missiles Inc (Stine’s company) began to produce commercial product in sufficient quantities that Carlisle could no longer make motors fast enough. These had total impulse roughly from today’s 1/2A to about the middle of the B range. Stine contracted with Brown Fireworks Co. of Missouri in 1958 to make mass-produced motors. Brown could have made them in the same size as the Carlisle motors, but it would have meant costly new tooling. Mr. Brown offered to produce a low-cost motor for MMI using his “Buzz Bomb” case size – 0.7 x 2.75 in (18 x 70 mm) – the Buzz Bomb had a small aluminum blade on one side of the case and a nozzle drilled into the side of the case opposite, where a fuse was inserted. Strictly a fireworks piece. In about 1959 or 1960, V
