Henry Spencer wrote:
Technically, for it to be an *aero*spike, the spike must be truncated, and
after the wake closes, there must be some thrust contribution from base
pressure (the exhaust gas expanding against the virtual spike formed by
the trapped gas).
Yes, also, at low altitude don't you have to inject gas into the base to
maintain the pressure?
Henry Spencer
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-Ian
Motto: "You're Not Authorized to Know Our Motto."
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