Am 30.12.2015 um 04:57 schrieb Henry Spencer:
On Tue, 29 Dec 2015, Ed Kelleher wrote:
H&H Design of Liquid Propellant Rocket Engines (the AIAA doc, not
SP125), Sect 2.4, pp 37
"However, relative to the other two cycles, the staged combustion
cycle has the highest performance, but it is more complex, more
difficult to develop, and heavier."
One should remember that H&H -- both editions -- is essentially the
Rocketdyne view of the world. The SSME did come out complex and heavy,
and did give Rocketdyne a lot of trouble. That doesn't make those
characteristics universal truths, however.