The Most Efficient Rocket Engine - The RL10 Expander Cycle Engine

The new(ish) camera on the Delta IV showed the deployment of the RL-10B Nozzle extension so I thought I'd talk about this workhorse upper stage engine.
Lots more info on the evolution can be found on this page:
http://www.b14643.de/Spacerockets/Spe...

• #science_technology
• #rocket
• #ula
• #atlas
• #delta
• #science
• #rl_10
• #aerojet
• #rocketdyne
• #pratt_whitney