🚀 go-pugleaf

In article <1993Jan7.124608.1@fnalo.fnal.gov> higgins@fnalo.fnal.gov writes:

>In article <C0GH9C.DA@zoo.toronto.edu>, henry@zoo.toronto.edu (Henry Spencer)

>Does a Bussard ramjet work *at all* below seriously relativistic
>velocities?  
>
>Seems to me below some large speed, which I recall as
>something much bigger than .5c, you don't gather enough interstellar
>hydrogen to keep things stoked.  Admittedly I remember details rather
>fuzzily, and don't know how to apply them to the "ram-augmented
>interstellar rocket" Henry is talking about. 
>

I don't remember now *where* I read it, but I seem to recall that a
Bussard Ramjet starts working at speed around about 450km/sec.  Although
this is an order of magnitude beyond the speeds of current space vehicles,
it's certainly not unreachable eg, with ion drives.
-- 
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