Soyuz 11A511U2-1 . Soyuz 11A511U2 . A 1-2 second specific impulse increase was made possible by the use of synthetic fuel Sintin and a modified mixing head. This was a very complicated modification.
Diameter is per chamber.
Back to Index Last update 10 June 1999. Defintions of Technical Terms . Contact Mark Wade with any corrections, additions, or comments.