About 1% according to this https://en.wikipedia.org/wiki/Rocket_engine_nozzle
But that's not including the extra length required for straight conical nozzles.
Troy
I half-recall hearing at some point that the straight cone loses something
like
3%. Could be mis-remembering through.
On 12/4/2016 10:11 PM, Norman Yarvin wrote:
On Fri, Dec 02, 2016 at 01:34:09PM -0700, Henry Vanderbilt wrote:
