UNIFLOW STEAM ENGINE
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January 28, 2010
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This is a; singular acting, prejudiced Uniflow steam engine. we built it out of a aged air compressor, as well as often things that can be done with a steel saw as well as a cavalcade press. A tiny lathe would have a little of it easier. The money coming in valve is a poppet alarm sort valve. The engine graphic is using upon air during 18psi. It picks up speed untill it gets up to about 60psi when a speed of a engine causes a empty valve to “float” during that indicate it becomes loyal uniflow engine. It is scarcely unfit …
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frosty883 said:
Great video!! Awsome soundtrack.... -
souzahenriquedanilo said:
A parte mais legal foi a parte da bolhaxinha!!... -
carolinesimone said:
excellent ... the Capis really captures the unity ... -
CGjamppl said:
woot nice vid i think this is the best way to make... -
tughard1 said:
nice video 5 stars...
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3:21 pm on January 28th, 2010
What do you use as the circulating pump on your Lamont boiler?
4:09 pm on January 28th, 2010
Surely the big disadvantage of the Uniflow engine being that there is always a large amount of compression on the exhaust stroke,thus reducing its efficiency.
This was the problem on the early Derr steam cars.
4:32 pm on January 28th, 2010
Nice looking rig. It would be easier to see what is happening with the video not laying on its side though.
4:48 pm on January 28th, 2010
Yes, can you do that with a gas engine
4:58 pm on January 28th, 2010
Steam engines have iron rings pitons and cylinders iron bores. You have to lube them with heavy oil 600wt. Go to a steam boat meet and ask around lots of iron engines with iron pistons and rings. Check out a good technology museum. Listen and learn.
5:17 pm on January 28th, 2010
WWBZTI has a good point.
A system I am using in my next project (and this would work well with a converted gas engine, provided it had a forced oil lube sys)is to not allow oil to accumulate in the crankcase (something like a Harley Motorcycle dry sump) but scavenge and dry it with the incoming steam through a heat exchanger, before sending it back through. This would also serve to keep the moving parts hot and dry also.
There are several vairations of this that would work.
6:04 pm on January 28th, 2010
I was talking about an automobile engine being converted to steam. Water and oil do not mix, and I beleive the rings would seize +
the moisture would more then likely end up in the bottom end and there goes your bearings.
6:27 pm on January 28th, 2010
this is not so, a tiny amount of oil is mixed wit the steam, covering all the parts with a thin layer of oil.
Pretty much all steam engines are made with iron and steel, and the rings are steel.
If you were planning on letting the engine sit for awhile, you would want to shut it down hot, and open the drains to let the moisture evaporate.
The engine in the video has a secondary exhaust valve that is of a automotive type that has yet to seize or leak.
7:10 pm on January 28th, 2010
you can not turn an internal combustion engine into a steam engine. The iron rings would rust and seize to the iron cylinder sleeve the first time you let it sit for awhile+ the valves the same to their bores or seats.
7:34 pm on January 28th, 2010
er…what do you use it for? mean, ya got your steam engine..why not patenting em’? you can make lots of money=)
8:14 pm on January 28th, 2010
cool(hot) idea… but does anyone realize the camera position(sideways)?
8:19 pm on January 28th, 2010
Do you have any videos of this new build? I want to follow suit and convert an a/c compressor into a compact steam/gen set. I found one place on the net of the idea.. I need a little more info. If you could please.
thx in advance
8:37 pm on January 28th, 2010
for woot is dat made?
8:38 pm on January 28th, 2010
I have seen two stroke engines turned into bash valve uniflow engines, and I saw a lawn mower engine turned into a steam engine. The valve timing had to be changed (4 stroke cam runs at 1/2 the speed of the crank) you could add lobes or change the gearing. I am working on building a engine using either a truck compressor or a two cylinder air conditioner compressor.
8:58 pm on January 28th, 2010
very impressive. i suppose it might be possible to turn a petrol engine into a steam engine without too much modification.
9:30 pm on January 28th, 2010
It cost about $100 in parts and about 20hrs of work.
9:59 pm on January 28th, 2010
Fantastic. 5 Stars.
10:11 pm on January 28th, 2010
how much did it all cost?
10:58 pm on January 28th, 2010
You can see this engine running on steam at about 500rpm , search “DorkBot – Steam Engine” or low speed close up at “uniflow steam engine 2″
11:35 pm on January 28th, 2010
The trick with this engine was to not have to make the valves. I used a steam whistle valve (about 35$ from Mc Master Carr) I put a eccentric on the shaft and used it to open the valve (the brass thing on top of the engine) through a linkage you can see. I was able to use the return stroke to operate the exhaust valve (was the intake disk when it was a air compressor). A cam and a roller follower would be much better.
12:34 am on January 29th, 2010
Your are genius, how did you construct the slide valve or ports, as my head is hurting on how to accomplish it. I brought an old compressor thinking it would be easy to convert it to steam, this hasn’t been the case. My e-mail is paul_R_hayes @ hotmail . com any more details would be very much appreciate in gaining what pride I had before I took on this challenge.