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Author Topic: Running on compressed air - lunrication?  (Read 1507 times)

Tim Logan

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Running on compressed air - lunrication?
« on: October 14, 2024, 05:38:24 pm »
I am just now learning about steam. I see many references to testing engines by running on compressed air. How is the engine lubricated without steam bringing in steam oil? Thank you.
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rhavrane

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Re: Running on compressed air - lunrication?
« Reply #1 on: October 14, 2024, 08:35:06 pm »
Bonjour Tim,
Personally, I always fill at first my steam machines with a lot of thin oil (not necessarily steam oil) when I try them on air. Furthermore, I run them just a few minutes at low speed to check how they run then I operate them only on steam.

Thanks to this way of doing, I see this oil going out of the exhaust pipe, proof she made the expected lubricating job  :-))

I say it during my tests, the last one at 1'20" : https://youtu.be/oUcGz2JH4OY
If you have no thin oil, WD40 can be an alternative, I would like to point out that for steam operation I use a thick 430 grade oil.
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Raphaël
Raphaëlopoulos Steam Lines UnLimited
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1967Brutus

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Re: Running on compressed air - lunrication?
« Reply #2 on: October 14, 2024, 09:18:52 pm »
Quote from: Tim Logan on October 14, 2024, 05:38:24 pm
I am just now learning about steam. I see many references to testing engines by running on compressed air. How is the engine lubricated without steam bringing in steam oil? Thank you.


Pretty much ANY oil will do when testing with air. Just squeeze a liberal amount of oil in the inlet of the engine before connecting.
Alternative, if you have access to a workshop where airdriven tools are used, they have "air lubricators there and using such a device in the air supply, there's nothing to worry about.

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If you do without observing, you won't learn a thing.
If you observe without doing, you'll never know if what you learned was true.

Tim Logan

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Re: Running on compressed air - lunrication?
« Reply #3 on: October 14, 2024, 10:34:06 pm »
Gentlemen / that clears that up! One more step on the learning ladder. Thank you very much for taking the time to respond!
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1967Brutus

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Re: Running on compressed air - lunrication?
« Reply #4 on: October 14, 2024, 10:45:17 pm »
Quote from: Tim Logan on October 14, 2024, 10:34:06 pm
Gentlemen / that clears that up! One more step on the learning ladder. Thank you very much for taking the time to respond!


Don't hesitate to ask... The only question I cannot answer is: "how many steps are there on that ladder?", because I haven't reached the top yet...
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If you do without observing, you won't learn a thing.
If you observe without doing, you'll never know if what you learned was true.

rhavrane

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Re: Running on compressed air - lunrication?
« Reply #5 on: October 15, 2024, 07:20:37 am »
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Raphaël
Raphaëlopoulos Steam Lines UnLimited
Membre du Modele Yacht Club de Paris http://mycparis.fr/
Membre de l'Offshore Club de Paris : http://site-ocparis.wifeo.com/
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1967Brutus

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Re: Running on compressed air - lunrication?
« Reply #6 on: October 15, 2024, 08:26:14 am »
Quote from: rhavrane on October 15, 2024, 07:20:37 am
Bonjour,
https://www.amazon.fr/T%C3%A9lescopique-t%C3%A9lescopique-Extensible-Telescopique-R%C3%A9sistance/dp/B09P119L18?source=ps-sl-shoppingads-lpcontext&ref_=fplfs&psc=1&smid=AXTGEDE7X1BOJ4
 ok2 :} :-))   

Tim, there are no bad questions, only bad answers has said Albert Einstein and I fully agree with him !

My personal favourite expression: "The ONLY stupid question, is the one you are shy to ask"...
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If you do without observing, you won't learn a thing.
If you observe without doing, you'll never know if what you learned was true.
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