[extropy-chat] Method and apparatus for generating propulsive forces without the ejection of propellant
mlorrey at yahoo.com
Fri Apr 16 15:18:30 UTC 2004
--- Damien Broderick <thespike at satx.rr.com> wrote:
> This 2000 patent might be old news on this list; it reminds me of the
> fabled Lorrey Drive. (John Cramer took it somewhat seriously some
> year ago.)
Yes, this patent is for a linear version, what one might term an
'inchworm'. The results are consistent with my own calculations. The
Lorrey Drive, which is a rotary model in several versions, isn't quite
so fabled. I do have a pair of prototypes of the hydraulic version
built to operate side by side (cancelling out each others torque). I
have not, as yet, been financially fluid enough to pay for a test program.
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