The list works, but I think everyone is on vacation! It's been a bit
quiet and the last message was something about a list problem where the
body of email messages wasn't getting through.
Anyone been following developments in pulse detonation engines? As a
quick primer a PDE is an engine that rather than deflagrate (subsonic
burn) it detonates (supersonic burn) the fuel /air mixture, which
provides a much higher efficiency and a larger operating speed range.
At one point ISSI was touring and doing taxi tests with their PDE
demonstrator attached to a long-ez: http://www.innssi.com/pde.aspx
Their engine weighed 800 lbs, and had 150 lbs of thrust. Those numbers
need to be inverted for the engine to provide adequate flight power to a
long-ez. The most interesting thing about the engine though is that it's
built of automotive parts. It's basically a grand-am cylinder head
bolted to stainless steel tubing
(http://www.innssi.com/images/pde03/AIAA2001-1129.pdf). It doesn't seem
like much has happened with their project since then, so I was curious
what the current state of practical application of the technology was.
Also curious if there was anyone working on PDE power plants around the
bay area.
-- Greg
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