[AR] Re: Amateurs and HSF
- From: Henry Spencer <hspencer@xxxxxxxxxxxxx>
- To: Arocket List <arocket@xxxxxxxxxxxxx>
- Date: Tue, 26 Jul 2022 13:45:09 -0400 (EDT)
On Tue, 26 Jul 2022, Peter Fairbrother wrote:
Even the regulatory situation changes: when thrust exceeds lift for more
than half the powered ascent, *it's not an airplane any more*, even if it
resembles one -- it's a "suborbital rocket"...
Henry, how is the "half" measured? Height, time, thrust-x-time vs
lift-times-time, something else?
Exact wording: "the thrust of which is greater than its lift for the
majority of the rocket-powered portion of its ascent". My understanding
is that this is taken to mean time, but I haven't gone digging to verify
that.
Henry
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