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: Mm1ut1 on July 11, 2025, 09:57:22 pm

Title: Re: Just got it . Any info about it?
Post by: Mm1ut1 on July 12, 2025, 05:19:43 am

Thank you very much! I’ve worked in engine and boiler rooms for many years before retiring and didn’t know these models existed.

Title: Re: Just got it . Any info about it?
Post by: Stoker on July 12, 2025, 12:00:26 am

It looks quite similar to the PM Research all bronze early version of their #1 Steam Drilling Engine. However, there appears to be some differences such that I'm not willing to say that is definitely what it is. Rather close though, so it is at least a similar model. The PMR engine has a 1 1/2" stroke which you should be able to measure, and it has a 1" bore, which would be somewhat more difficult to measure, but doable.

I'll say that the PMR #1 is possibly a correct I.D., maybe even probably, but just not quite certainly!?!?

Very nice engine, no matter what, actually!

Title: Just got it . Any info about it?
Post by: Mm1ut1 on July 11, 2025, 09:57:22 pm

Hi ! I picked this up today. Trying to get information about it. Any information would be greatly appreciated . Thanks !