terry wrote:
out of 10 failure rate. the engine itself was of hypergolic design,
nitrogen tetroxide and hydrazine which only had to come into contact
to ignite. The LM worked almost flawlessly on 9 out of 9 space
flights including of course Apollo 13 where it performed way above
what it was designed for.
terry

They have the enigine on display at the Space Museum in Alamogordo, NM, and
I was amazed how small it is!