05-29-2017, 01:04 AM
|
|
Junior Rocketeer
|
|
Join Date: Mar 2012
Posts: 3
|
|
Quote:
|
Originally Posted by blackshire
Sugar rockets aren't quite as hazardous to make as black powder motors, and they lend themselves to core-burner grains. (It's really a necessity with sugar motors due to the propellant's lower specific impulse.)
|
Someone donated some B14-0 motors to me (he heard that I give Estes motors away to kids at rocket events) and thought I'd do some researching on them.
My understanding is that black powder has an Isp of 80 and the sugar motors I make 125-140 depending on what pressure I run them.
Here's one of the last sugar motors I tested:
https://www.youtube.com/watch?v=eeOVhQKnTfg&t=0s |