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#Post#: 250--------------------------------------------------
Re: Starting flash "mono-tube" boiler fabrication
By: burnit0017 Date: August 17, 2013, 5:37 pm
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Hi, making the pump was not hard. It works ok, not sure how long
it last but is will get me started.
Two check valves, self priming for now. I drilled out a 1/2
inch water pipe, the ram has a 5/8 o-ring.
I plan to use 3/8ths copper for the flash boiler.
I am not sure about the gravity feed. What would you use for the
40 gallon tank?
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#Post#: 251--------------------------------------------------
Re: Starting flash "mono-tube" boiler fabrication
By: burnit0017 Date: August 18, 2013, 7:20 am
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HTML http://www.fastonline.org/CD3WD_40/JF/JF_OTHER/BIG/Reciprocating%20Steam%20Engine.pdf
Nice additional info, boiler and engine
#Post#: 253--------------------------------------------------
Re: Starting flash "mono-tube" boiler fabrication
By: crazyguy Date: August 18, 2013, 8:51 am
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try this. I can get the pickle barrels locally (Vlasic Pickle
company near my house). $5 each.
HTML http://www.lexingtoncontainercompany.com/Olive---Pickle-Barrels.html
HTML http://www.lexingtoncontainercompany.com/Steel-Drums.html
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#Post#: 254--------------------------------------------------
Re: Starting flash "mono-tube" boiler fabrication
By: crazyguy Date: August 18, 2013, 8:59 am
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I was thinking.....these alternators require high rpm >200 rpm.
Has anyone ever thought of a steam turbine instead of a
reciprocating steam engine? Kinda like a overshot Pelton wheel
or like a turbine in an air powered tool? That would produce the
high rpm for good charging voltage.
The third and fourth video is impressive ask all heck.
HTML http://www.youtube.com/watch?v=sNt39VEUXSE
HTML http://www.youtube.com/watch?v=F3L7VgDf1yk
HTML http://www.youtube.com/watch?v=NHs9wwCD6VM
HTML http://www.youtube.com/watch?v=jYrls_i2d24
#Post#: 255--------------------------------------------------
Re: Starting flash "mono-tube" boiler fabrication
By: burnit0017 Date: August 18, 2013, 9:35 am
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Hi, I am using the F&P for the alternator, it only requires a
low RPM. Because the RPM will be constant I can use my MPPT
circuit without a micro. Running my engine on air at 100 psi the
RPM was over 700 and at 50 psi the RPM was over 500. This is a
lot easier than the VAWT project. If I can get the boiler to put
out a constant 40 psi of steam I should be in good shape.
#Post#: 257--------------------------------------------------
Re: Starting flash "mono-tube" boiler fabrication
By: burnit0017 Date: August 18, 2013, 6:32 pm
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HTML http://www.john-tom.com/MyPlans/Steam%20Engines/Oct08update/SteamPump/ModelWater-SteamPump.pdf
HTML http://www.john-tom.com/MyPlans/Steam%20Engines/Oct08update/SteamPump/ModelWater-SteamPump.pdf
additional hand pump info
#Post#: 276--------------------------------------------------
Re: Starting flash "mono-tube" boiler fabrication
By: burnit0017 Date: August 25, 2013, 3:59 am
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HTML http://www.youtube.com/watch?v=AKvBRP3Wz0Q
HTML http://www.youtube.com/watch?v=AKvBRP3Wz0Q
inspirational video
#Post#: 277--------------------------------------------------
Re: Starting flash "mono-tube" boiler fabrication
By: crazyguy Date: August 25, 2013, 7:03 am
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Pretty awesome video.
I was wondering what you do about "scale" in a monotube boiler.
It sure clogs up my water heater and home humidifier.
P.S.
I use to have the 'scale' problem, now I have a water softener
and no mineral deposits are evident.
#Post#: 278--------------------------------------------------
Re: Starting flash "mono-tube" boiler fabrication
By: lynx wind Date: August 25, 2013, 7:33 am
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Scale usually forms at the evaporation zone in a vessel of
water, like a pot of water. There is no velocity of the liquid
in a pressure vessel.
In a monotube, the velocity throughout is so high that scale
doesn't have a chance to form. The evaporation zone is
continually changing. And, if temperature is kept below 475 F
you can run lubricant in the working fluid without concern for
carbonizing.
If needed, monotubes were cleaned out internally using a
sandblast.
#Post#: 280--------------------------------------------------
Re: Starting flash "mono-tube" boiler fabrication
By: burnit0017 Date: August 25, 2013, 5:37 pm
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HTML http://www.youtube.com/watch?v=FGTj3ZINQMc
HTML http://www.youtube.com/watch?v=FGTj3ZINQMc
Hi, heavy duty monotube fabrication. The video shows the cold
water feed at the top of the boiler. Does it matter, top or
bottom???
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