There are some that still argue that they don't. :-)
Anthony J. Cesaroni
Cesaroni Technology/Cesaroni Aerospace
(941) 360-3100 x101 Sarasota
(905) 887-2370 x222 Toronto
(410) 571-8292 Annapolis
These web sites will help you:
Hybrid: A type of reusable rocket motor in which the fuel and oxidizer
are kept separate and in different material states (such as a compressed
liquid and a solid) until combustion occurs. A typical hybrid motor
currently uses nitrous oxide gas as an oxidizer, and cardboard or
plastic as fuel.
And maybe this one ;)
Polytechforum.com is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here.
All logos and trade names are the property of their respective owners.