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<p><font face="DejaVu Serif">Thanks, Doug.</font></p>
<p><font face="DejaVu Serif">I'd been worried about coking, so you
have saved me a test setback. Will a cyclonic separator
upstream help? I've never dealt with coking, so I don't even
understand its vulnerabilities. Would a good wire brushing with
each new load of fuel do the trick? That could be automated
pretty easily. <br>
</font></p>
<p><font face="DejaVu Serif">All the ICEs have to deal with the
power for a compression stroke. I'll do the math on intake vs
exhaust volume before building, of course, to make sure the
turbo efficiency is a minor fraction of the equations. With a
built-in air pump, a condensing flue is easy to arrange, and it
recaptures any heat used to burn wet wood. Would the steam help
clean coke? It eats carbon in an ICE.</font><br>
</p>
From what I know about generators, a rapidly spinning magnet is
quite effective. Those little DC-DC voltage converters are
surprisingly small and efficient, running at very high frequencies.<br>
<br>
Bob<br>
<br>
<div class="moz-cite-prefix">On 17-01-02 05:15 PM, Doug wrote:<br>
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<p>Hi Bob,</p>
<p>I have seen direct coupled car turbo's hooked to a pressurized
gasifier/stove, and in that situation, was fed hot gas straight
out of the gasifier. It's not that it doesn't work, just that
it's almost impossible to prevent the impeller from coking up
and blocking. Not sure how you would actually hook a generating
device on this, but opportunity to develop that hot gas to power
directly would be a game changer. You also have to consider the
power demand required for air input compression.</p>
<p>Doug Williams.<br>
</p>
<br>
<div class="moz-cite-prefix">On 03/01/17 11:34, Bob Stuart wrote:<br>
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<p><font face="DejaVu Serif">Best Possible New Year, everyone.</font></p>
<p><font face="DejaVu Serif">I arrived here after a period with
wood heat but no electricity at all, when I got interested
in steam. Thanks to all for a great education on the
options. I am hoping to find a new situation with younger
people around where I can use a gasifier. What I'd like to
try would be expensive if I wanted maximum efficiency, but
where the need for heat is high and power modest, I think a
great simplification might work. <br>
</font></p>
<p><font face="DejaVu Serif">With a turbocharger from a car, I
think it would be easy to just pressurize an airtight stove
to produce a solid-fuel gas turbine. I presume that
sticking a magnet on the cold end would let a coil pull the
power off. Raising the pressure would get more efficiency,
but drive up the bill for exotic materials.<br>
</font></p>
<p><font face="DejaVu Serif">Best,</font></p>
<p><font face="DejaVu Serif">Bob Stuart,</font></p>
<p><font face="DejaVu Serif">Spiritwood, SK</font><br>
</p>
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