If you can deal with slight decreases in thrust, you can also do thrust vectorin...

gngeal on April 26, 2013 | parent | context | favorite | on: NASA has three smartphones orbiting the earth as m...

If you can deal with slight decreases in thrust, you can also do thrust vectoring with injecting water or other suitable liquid into the nozzle in proper places. Could be mechanically simpler than gimbals in some cases.