On Tue, 7 Jan 2003, Ian Woollard wrote:
> ...and then it's ballistic till it reaches orbital height and then
> it burns and turns until it actually burns *down* slightly at upto 99
> degrees to the vertical (no don't ask me, it's probably circularising
> the orbit or something ;-) ).
It's not uncommon for final stages to enter orbit thrusting slightly below
horizontal... but getting much of the orbital velocity that way, after a
substantial coast, seems odd. Is your simulation including thrust/weight
effects? (That is, the engines can be smaller and lighter with a longer
burn.)
Henry Spencer
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