Hi Stuart,
Interesting that he now states the efficiency:
"When the steam is simply exhausted to atmosphere while running a
generator, for example, efficiency is relatively low; in the area of
15%. When the exhaust is condensed and recycled back to the boiler, the
efficiency is around 24% to 30%. When the exhaust is condensed through a
heat exchanger whereby the condensation process is used fully by heating
water, space and distilling water, for example, the efficiency can be in
the 70% range."
Penn State University didn't seem too carried away:
http://www.youtube.com/watch?v=7zjbc0cjQWk
Looks like he ran this one on steam:
http://www.youtube.com/watch?v=WzPpa3WYQQA
The old saying is that every gallon of water in a boiler equals a stick
of dynamite!
I can buy a Honda clone engine, on sale, for $100 and skip the dynamite.
Just need to add the gas producer.
Jeff
On 02/01/2013 06:59 PM, stuart mather wrote:
Jeff,
I noticed this a couple of years ago. There is a lot of internet forum
chatter dissing this guy. There are no working versions actually
working on steam anywhere in the world as far as I'm aware. Even his
own videos show the units operating on compressed air, not steam. Also
he only sells plans and a few of the hard to source parts for the
engine itself, not entire units premade.
That said, it does look like a nifty approach.
But he's been around for at least five years to my knowledge. Surely
if it was a goer, they'd be legendary.
Stuart.
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