Ye Olde Rocket Forum - View Single Post

Quote:

Originally Posted by Ltvscout

Carl,

I was looking at the Estes '61 catalog. What can you tell me about the B.16-x motors they made then?

http://www.ninfinger.org/%7Esven/ro...61/261est10.jpg

P.S. - I posted here to also see how things are coming along on the motor making front.

They were the core burners using Mabel I. They had the .406" ID casing and a long, drilled port. They were stated to be a 16 lb average thrust as opposed to the .8 lb of the end burner. This would have made them D impulse by todays standards!

It was difficult using early static test stands to test a core burner that created not much more than a spike. They were later designated B3-x (pre-metric) which signified 3 lbs of average thrust. After the change to metric (thrust in newtons, etc.) and the change to Mabel II with .5" ID, they were replaced by the B14-x (which was about 3 lbs average thrust also.)

We are still working with the various governmental agencies AND trying to keep everything else spinning!