veggie oil?? -->> Try Water ?
Cat ^. .^ ~
iceisit at earthlink.net
Mon Sep 26 19:56:31 EDT 2005
"WATER: THE ULTIMATE PROPELLANT
"Will water be the fuel of the future to power aircraft and spacecraft?
"If so, mankind will be employing a technology of
the god's and, as in other fields, modern science
will be only catching up with ancient knowledge.
"The news of the possible use of water as an
abundant and clean resource as the "fuel" for jet
propulsion comes from the Tokyo Institute of
Technology that has been developing technologies
for powering small un-piloted planes by
subjecting their "engines" to laser beams fired
from the ground or from satellites. In what has
been hailed as a great success, the Tokyo team
reported in the June 10 issue of Applied Physics
that they made a tiny paper "plane" fly by
subjecting its "motor" of aluminum plates to
laser beams. Causing minute amounts of the metal
to vaporize, a jet stream was achieved that cause
the plane to soar.
"The experiment thus attained the trick of
creating an ejected jet of some mass that pushed
the plane forward. In regular jet planes, the
jet is created by burning petroleum fuel and
ejecting the hot gas. In the Tokyo experiment,
the heat was provided by the laser beam, the jet
by the evaporated aluminum. To scale the
propulsion system up to full size, Takashi Yabe,
head of the Tokyo team, proposed using water as
the propellant. Water can be harvested from
the atmosphere as the plane files,î he said.
Reporting the experiment and the water-use idea,
the journal New Scientist (15 June 2002)
illustrated the futuristic "water engineî "
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