Engines with good thrust to (fuel +oxidizer) ratios?

Robert Clark wrote:
The most common measure of rocket engine efficiency given is ISP,
thrust to fuel burn rate. Another common measure given is oxidizer to
fuel ratio.
What I need is thrust to (fuel + oxidizer) burn rate in order to
evaluate the the feasibility of pumping fuel/oxidizer to a rocket from
ground rather than carrying it along.

What speed are you thinking of doing this pumping at?

--
http://inquisitor.i.am/ | | Ian Stirling.
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Paranoia: A game for the whole family, and anyone else who might be watching.