Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work.

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Old November 26th 12, 10:27 PM posted to rec.crafts.metalworking
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Default Using a metal gasifier to run a metal generator using chips made of wood, not metal

I have been feeding woodgas from my Chinese JXQ-10 gasifier into my Onan
6.5NH genset on and off this summer, in an attempt to figure out how to
reliably convert wood chips to electricity.

I'm getting closer, but I ain't all the way there yet.

Don't tell anybody, but I have been feeding the genset some pretty tarry
carbon monoxide and hydrogen gas. But so far, the engine still runs fine.

If you have nothing else to do, you can see my log of this summer's related
events at:

http://www.spaco.org/JXQ10A.htm

Pete Stanaitis
-------------



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Old November 26th 12, 11:08 PM posted to rec.crafts.metalworking
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Default Using a metal gasifier to run a metal generator using chipsmade of wood, not metal

I put a like on your video, nice

On 2012-11-26, Pete S wrote:
I have been feeding woodgas from my Chinese JXQ-10 gasifier into my Onan
6.5NH genset on and off this summer, in an attempt to figure out how to
reliably convert wood chips to electricity.

I'm getting closer, but I ain't all the way there yet.

Don't tell anybody, but I have been feeding the genset some pretty tarry
carbon monoxide and hydrogen gas. But so far, the engine still runs fine.

If you have nothing else to do, you can see my log of this summer's related
events at:

http://www.spaco.org/JXQ10A.htm

Pete Stanaitis
-------------


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Old November 26th 12, 11:55 PM posted to rec.crafts.metalworking
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Default Using a metal gasifier to run a metal generator using chips made of wood, not metal

"Pete S" wrote in message
...
I have been feeding woodgas from my Chinese JXQ-10 gasifier into my
Onan 6.5NH genset on and off this summer, in an attempt to figure
out how to reliably convert wood chips to electricity.

I'm getting closer, but I ain't all the way there yet.

Don't tell anybody, but I have been feeding the genset some pretty
tarry carbon monoxide and hydrogen gas. But so far, the engine still
runs fine.

If you have nothing else to do, you can see my log of this summer's
related events at:

http://www.spaco.org/JXQ10A.htm

Pete Stanaitis


One of my books on alternate energy warns that the first sign of
trouble will likely be the intake valve stem stuck in its guide after
the engine cools. IIRC if you miss that the second is either a bent
pushrod or the valve smacking into the piston.



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Old November 27th 12, 05:21 AM posted to rec.crafts.metalworking
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Posts: 141
Default Using a metal gasifier to run a metal generator using chips made of wood, not metal

A valid point, Jim.
After each engine run on woodgas, I switch back to gasoline for at least
10 minutes. I am hoping this will keep things clean enough for now.
I have lots to do in the next few months to get ready to go at again in
the spring.
One of the main projects is to make a final filter out of a nice 5 or 6
gallon steel barrel that has a clamp-on lid. It'll be filled with wood
shavings and mounted in the cool end of the gas stream, just before the
engine.
But the MAIN project is the reduce the diameter of the grate area in the
gasifier so I can get the "below grate" gas temperature up from the current
max of about 600F to at least 1000F. That will get rid of almost all the
tar.
To support these and other changes, I will rebuild my Arduino-based
datalogger, adding more pressure sensors so I can directly monitor pressure
drop across the new filter and a few other things. I will also add some
"traffic lights" to tell me, at a glance, if I am in the "sweet spots" for
grate temp and suction.
I may even start to make the datalogger into an actual process controller
by adding a servo to adjust the fuel gas mixture.

Pete Stanaitis
-------------------------------------------
"Jim Wilkins" wrote in message
...

One of my books on alternate energy warns that the first sign of trouble
will likely be the intake valve stem stuck in its guide after the engine
cools. IIRC if you miss that the second is either a bent pushrod or the
valve smacking into the piston.





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