On Thu, Mar 8, 2018 at 9:47 AM, Henry Spencer <hspencer@xxxxxxxxxxxxx>
wrote:
...
By the way, conservatively-built rocket engines like the RL10A and the
XCOR engines already have reusability comparable to many jet engines
(allowing for the fact that one mission is hours of run time for a jet and
minutes for a rocket). The short useful lives of most large rocket engines
have more to do with their design philosophy (performance uber alles!) than
with anything inherent in rockets; jet engines designed the same way --
e.g. for cruise missiles -- similarly have short lives and poor reliability.
Henry
