Well explained, but a couple corrections; what you referred to as the "valve body" on the slide valve engine is commonly referred to as a "valve chest" or "steam chest". Secondly, the "c" slide valve you called it is actually commonly referred to as a "D" slide valve. I enjoy your videos. Keep up the good work!
Thank you for explaining how a steam engine actually works. All of the videos I have seen do not go into this kind of detail on the actual operation. This actually cleared up all of my questions on how it works. I am am very great full you took the time to be very detailed in it's operation and not so vague like 99.9% of the other videos.
I really like the way you explain the way these valves work, makes me look at it from a new angle! I would love to see more information about efficiency of steam machines like you explained with the two types in this video. Keep doing great stuff!
Just a correction: at 3:32 into the video, you refer to the exhaust port as the source of the steam. That is incorrect. The inlet steam enters directly from the boiler into the steam chest, which also forces the slide-valve against the cylinder face, and enters the cylinder through the inlet steam ports into the cylinder. It exits the cylinder through the exhaust port that is bridged by the gap in the slide-valve to the exhaust port
I am a little late but hey man i loved the video, been searching for a page or video that teaches the concepts without being too simplified or too complex and you nailed it! thank you so much for the video very clear and informative!
Thanks a lot for your teaching, it's very interesting. I was studying compressed air engine and your video really helped me understand the piston valve ! ;)
you actually have the intake and exhaust backward. Steam comes in the Steam Chest, thats what keeps the slide valve pressed against the cylinder. Its never opposite.
useful. best explanation I've seen so far. then the reminder steam can and still is gasified today, and the big bonus I dint even know the piston valve was a thing thank you for that. i plan to build one someday hopefully someday soon at least get started, a lot of things get in the way but I'm stubborn, I really want an SHTF engine I don't plan to suffer as bad as others will.
as a model engineer i must correct you regarding your explanation of slide valve operation, you are putting live steam through the exhaust this would lift the valve off the portface live steam should enter directly into steam ches
Hi very much enjoy your films. Suggestion your gates should go to the bottom extremes of the mold, allows purges out air gas .Do you cast for customers? Thanks
Yeah im onboard, not really into steam, but this may change that. I myself am more into the foundry work, and still trying to figure out a good recipe for good iron, since yhe first part i need to pour is critical to my old k&t vertical mill.
I did not realize that a Piston Valve along with Super Heated Steam could be used in the Steam Chest and Cylinder of a Reciprocating Engine. I always thought SHS was only for the Turbines. I wonder if this system was also used in Triple Expansion Marine Engines ?
You need the valve and piston. The valve provides the path of steam, and the piston, with its greater diameter provides the power (Power output is proportional to the square of the piston radius).
Ill add what i can't find the proof that engines haven't changed but have become more efficient with engines so like anything cant become perfect because engineering even mother nature does
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Well explained, but a couple corrections; what you referred to as the "valve body" on the slide valve engine is commonly referred to as a "valve chest" or "steam chest". Secondly, the "c" slide valve you called it is actually commonly referred to as a "D" slide valve.
I enjoy your videos. Keep up the good work!
Fair Weather Foundry yep, just finished watching and edited my comment haha
I see now! Just deleted my old comment! Thanks for the comments. I will pin it so others can see.
Fair Weather Foundry you're doing good work! If you're ever on the West Coast, hit me up and I'll take you on a ride on one of our steamboats.
Thanks! That would be awesome!
Thank you for explaining how a steam engine actually works. All of the videos I have seen do not go into this kind of detail on the actual operation. This actually cleared up all of my questions on how it works. I am am very great full you took the time to be very detailed in it's operation and not so vague like 99.9% of the other videos.
Hi, I very much liked and understood the working principles of the admission of steam through valves. Thank you.
I really like the way you explain the way these valves work, makes me look at it from a new angle! I would love to see more information about efficiency of steam machines like you explained with the two types in this video. Keep doing great stuff!
Thanks!
Nice job explaining the difference between slide valves and Spool Valves.
This chalk talk video works very well, many thanks for the clarity and learning.
Just a correction: at 3:32 into the video, you refer to the exhaust port as the source of the steam. That is incorrect. The inlet steam enters directly from the boiler into the steam chest, which also forces the slide-valve against the cylinder face, and enters the cylinder through the inlet steam ports into the cylinder. It exits the cylinder through the exhaust port that is bridged by the gap in the slide-valve to the exhaust port
Clear explanation - very helpful, thanks.
You deeply understand what you explained. good job, thank you :)
Thanks for the excellent tutorial - much appreciated!
Very clearly explained. Look forward to more.
I am a little late but hey man i loved the video, been searching for a page or video that teaches the concepts without being too simplified or too complex and you nailed it! thank you so much for the video very clear and informative!
now i only need to understand what and how a centrifugal governor works
Thanks a lot for your teaching, it's very interesting. I was studying compressed air engine and your video really helped me understand the piston valve ! ;)
you actually have the intake and exhaust backward. Steam comes in the Steam Chest, thats what keeps the slide valve pressed against the cylinder. Its never opposite.
This could have been made for me, I never knew any of that ! Very interesting, thank you.
Awesome! Glad to hear!
useful. best explanation I've seen so far. then the reminder steam can and still is gasified today, and the big bonus I dint even know the piston valve was a thing thank you for that. i plan to build one someday hopefully someday soon at least get started, a lot of things get in the way but I'm stubborn, I really want an SHTF engine I don't plan to suffer as bad as others will.
as a model engineer i must correct you regarding your explanation of slide valve operation, you are putting live steam through the exhaust this would lift the valve off the portface live steam should enter directly into steam ches
Well done. I would like to hear what you have to say on actual valve timing. As far as early admission for cushioning the piston and the like.
Good idea for a video!
That was a good video. Definitely learned something! Look forward to watching more of your videos
Great video! Can you do another video on valve timing and the size or stroke of the valve compared to a given cylinder?
Good explanation, I look forward to more.
Great video, l didn't knew differences between steam chest designs. Could you make a video about how to time the valve movement
Great explanation and presentation. Looking forward to seeing more of these type videos. Thanks for sharing.
Joe
Best explanation yet
superb! you explained it amazingly!
Hi very much enjoy your films. Suggestion your gates should go to the bottom extremes of the mold, allows purges out air gas .Do you cast for customers? Thanks
Very well done .Yes maybe the naming of parts may vary .The drawings and your explanation is very good . THANKS
Yeah im onboard, not really into steam, but this may change that.
I myself am more into the foundry work, and still trying to figure out a good recipe for good iron, since yhe first part i need to pour is critical to my old k&t vertical mill.
Very nice
Just found your channel and Subscribed. Nice work
I did not realize that a Piston Valve along with Super Heated Steam could be used in the Steam Chest and Cylinder of a Reciprocating Engine. I always thought SHS was only for the Turbines. I wonder if this system was also used in Triple Expansion Marine Engines ?
Great vid I got a much better understanding
Good job
Interesting!
Top job - keep up the good work.
thank you man i liked this video
well done
Is pressure inside cylinder is equal to atmospheric pressure
Cool
So the piston could be eliminated and the valve could be dual use
You need the valve and piston. The valve provides the path of steam, and the piston, with its greater diameter provides the power (Power output is proportional to the square of the piston radius).
how about a free piston steam engines
Ill add what i can't find the proof that engines haven't changed but have become more efficient with engines so like anything cant become perfect because engineering even mother nature does
It is a D slide Valve and you are back words