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#Post#: 1351--------------------------------------------------
Re: The LYNX Steam Generator
By: burnit0017 Date: January 28, 2014, 5:21 pm
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HTML http://www.iwilltry.org/b/build-a-rocket-stove-for-home-heating/
Hi, this may help. It is a small fire but the draft that is
created causes the fire to burn really hot, so no smoke. The
strong draft that is created means the flames and the exhaust
can only travel in one direction as long as the chimney has a
cap that prevents back drafts.
This is a video of my project; it is not a J tube; it may help
explain that it is the chimney that causes the strong draft.
Don't mind the music. :) It was just for fun.
HTML http://www.youtube.com/watch?v=nfoDyKCA3xs
#Post#: 1352--------------------------------------------------
Re: The LYNX Steam Generator
By: crazyguy Date: January 28, 2014, 6:23 pm
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I wish I could make pellets from grass clippings. Every summer I
cut my three acres every 4 days. That would make a lot of heat.
#Post#: 1356--------------------------------------------------
Re: The LYNX Steam Generator
By: burnit0017 Date: January 29, 2014, 12:36 am
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HTML http://www.youtube.com/watch?v=4Cq63ak0Fmw
work never stops, I thought you are retired ??? ::)
#Post#: 1359--------------------------------------------------
Re: The LYNX Steam Generator
By: crazyguy Date: January 29, 2014, 8:01 am
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cool.
wonder what the btu capacity is. i spend all that money for a
tractor ans gas to cut the grass then i just pile it up so the
mice and rabbits have a warm winter shelter. might be a gold
mine there.
retired but not dead......yet.
#Post#: 1368--------------------------------------------------
Re: The LYNX Steam Generator
By: burnit0017 Date: January 29, 2014, 5:57 pm
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HTML http://www.makepellets.com/catalog/c4_p1.html
Hi, maybe the answer is to start a neighborhood coop. I was
checking my scrap metal and it looks like I have enough to
fabricate a small J tube. As soon as it warms up I can start
fabrication and see how well it will work for a mono tube
boiler. My first boiler was to elaborate. It looks like pancake
coils should work well at the top of the J tube.
#Post#: 2356--------------------------------------------------
Re: The LYNX Steam Generator
By: lynx wind Date: April 20, 2014, 10:40 am
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Made a slight adjustment on the tubing arrangement to keep the
steam from being dry superheated. I added some 3/8" tubing in
front of the water sensor hat is directly in the hottest part of
the fire. Yes it will prime a bit forcing hot water up into the
spiral coils.
This type of "simple" single cylinder engine (yes "simple" is
actually a term) likes saturated steam between 5-40 psi. I
suspect I have a rectifier problem due to the erratic amperage.
I am going to replace the rectifier and also turn up the inlet
pressure a bit. I could also fire it a bit more.
This engine consumes very little wood and water, is somewhat
automatic in operation and has a 120 psi safety relief valve.
The only tending required is occasionally adding a few chunks of
scrap wood.
#Post#: 2357--------------------------------------------------
Re: The LYNX Steam Generator
By: burnit0017 Date: April 20, 2014, 11:06 am
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Hi, great work. Thanks for posting. Does the rotor stop if you
manually try to stop it at that operating pressure?
#Post#: 2359--------------------------------------------------
Re: The LYNX Steam Generator
By: lynx wind Date: April 20, 2014, 2:45 pm
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Well, sometimes you sleep on it and you figure things out.
Over the winter my rectifier corroded and was shorting out. I
replaced it today with a new bridge rectifier and what a
difference! Amps shot up to 6 and voltage to 28. Rpm went up
too.
If things are working right, no you probably couldn't stop the
rotor at 20-40 psi. That's 20 Lbs times 4 sqin = 80 Lbs on a 9"
lever.
Now I need to tidy things up. A lot of the wiring is messy, and
I have a few leaks. But all in all it is a reliable 160-220
watts if I needed it.
I edited in some of the better running in this video below.
HTML http://youtu.be/E7SSfsoBgqw
HTML http://youtu.be/E7SSfsoBgqw
#Post#: 2361--------------------------------------------------
Re: The LYNX Steam Generator
By: burnit0017 Date: April 20, 2014, 4:29 pm
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Hi, thanks for info. Again great work.
#Post#: 2366--------------------------------------------------
Re: The LYNX Steam Generator
By: lynx wind Date: April 21, 2014, 8:54 pm
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Today I cleaned up the wiring, added a volt and amp meter,
tightened up a few leaks. At 20 psi the engine is quite docile
and puts out about 30 watts. At 40 psi it is working hard and
puts out about 80-100 watts. The engine is rated for 60 psi and
1/4hp. I kind of like it just running between 20-40 psi. I
don't have to tend it. Every 10 minutes I add a couple chunks
of small split 2x4. You can see in the video just how much fire
is required to run at 1/8 hp. People are always surprised how
much fire it takes to boil water and make power. Makes you
appreciate liquid fuels.
The goal here was to work out the monotube boiler and controls.
I am very happy with the results today.
To really do this right the fire needs to move up through an
insulated rocket tube to get the gases completely burned and
white hot. Then move them down through a bank of spiral coils.
The water sensor would be placed about 1/4-1/3 of the way up the
spiral banks. Exhaust out the bottom. This would prevent
priming and make for a smaller boiler.
HTML http://youtu.be/bY8BortErf8
HTML http://youtu.be/bY8BortErf8
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