Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines
The Regular Stuff: Chat, Buy, Sell, Off Topic, etc. => General Discussion - Model & Toy Steam Engines – Stirling Cycle – Flame Lickers – Small Antique Originals => Topic started by: parallelmotion on May 07, 2020, 02:48:08 pm
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That’s Sweet! I never knew that anyone made a rotary valve engine like that.
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Just a quick update. There was some binding in the governor arms when I made the video. Since then I've fixed the problem and as the governor balls move outward the rotating spindle (valve) is pulled outward which does in fact reduce steam supply and slow the engine--an actual working governor as advertised by Marklin.
A video of the governor working would be nice..... it can be simple.... like mine ;)
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A nice engine. I have never seen a rotary valve before. Interesting and lovely, thanks for the video.
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Just a quick update. There was some binding in the governor arms when I made the video. Since then I've fixed the problem and as the governor balls move outward the rotating spindle (valve) is pulled outward which does in fact reduce steam supply and slow the engine--an actual working governor as advertised by Marklin.
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This has to be the quietest Marklin they made. I have a couple that are at the other end of the noise scale.
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Danke schoen Jan.
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Truely amazing engine, thank you for sharing this rarity Brent!
...That's the big question remaining in my mind--does this governor really have any control over amount of steam input, 'cut off' position, etc.? The German catalog description seems to imply that it does...
I am quite certain that the governor is functional, given the wording in the catalog.
Hard to believe they´d claim what they did, solely on the fact that it has a manual valve on the steamline?
Should anyone feel slightly "German impaired", they directly translated stated that:
"Originalsystem G.M & Co. with unmatched fully regulated steam flow and revolutions of the machine"
[attachimg=1]
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Very cool engine.... and nice video. I'm working on a Marklin compound engine now that's leaking from the sight glass where the lower fitting seals at the boiler.
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Thanks Stoker. That's the big question remaining in my mind--does this governor really have any control over amount of steam input, 'cut off' position, etc.? The German catalog description seems to imply that it does. Maybe some experimental fixing of the balls at different positions and then measuring rpm would reveal the answer. Presumably the higher the speed (balls out) the more the valve piston would be withdrawn from its cylinder, but I'm not sure that's the case. Maybe a slow motion video would help. Ideas welcome. If the governor has no such function, then why the springs--why not just a spinner like most of the other toy engine governors?
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That engine has a HUGE WOW factor designed right into it.
I'm especially taken with the governor being built right into the rotary valve shaft. Is it actually functional? Seems like it could easily be made so.
That is just Sooooooo NICE!!!
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Thanks everyone. The reason it sat around in pieces for so long is that (as usual) I started other, easier projects in the meantime. Glad to have finally finished it.
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That is a really nice looking engine and runs good. Looks like it has a water pump for the boiler too, nice! Thanks for giving us a look!
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Stunning Brent.
If/when you get tired of it, you know who to call. ;D
Who's that? Nick? :D :D
Very special engine Brent 8)
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Brent, you left that setting in a box, on a shelf, for a couple of years and just now got around to doing something with it.
Are you running a fever? I would have been all over that engine in a heartbeat. That's an amazing engine, never heard
of such a thing. It's right there with poppet valves. Thank you much for showing that one.
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Wow Brent , you do have an eye for the "rare" of the rare , I've never heard of such a thing...let alone see one in action. Certainly a welcome peak at the rare & unusual. Thank you 😉👍
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I also agree.
Brent, that is a real stunner....!!!!
It is a superb looking example. Runs great, too!
Gil
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You got to wonder how many of those exist in the wild.
Agree with Charlie, stunning.
Thanks for the video.
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Thanks Charlie.
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Stunning Brent.
If/when you get tired of it, you know who to call. ;D
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This one had been sitting on the shelf in a box in pieces for a few years until covid19. Today was the first steaming after restoration; all is well except for the usual leaky gauge glass. Marklin said this was their own unique design and it does seem to run smoother and faster than some other Marklin engines I own.
https://youtu.be/LOht5uOvhb0