Archived posting to the Leica Users Group, 2009/10/05

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Subject: [Leica] Sterling engine
From: wbabbott3 at (William B. Abbott III)
Date: Mon, 5 Oct 2009 21:27:23 -0700
References: <>

We studied the Sterling engine in passing as a curiosity in  
thermodynamics but I never expected to see one!

Thanks, now I know they are real; "all I had ever seen before was the  
proof" that they would work.

Forgive me, it is an old, old joke, usually told about mathematical  
proofs, etc.



On Oct 5, 2009, at 10:01 AM, Lawrence Zeitlin wrote:

> Most of us have read about Sterling engines but very few have  
> actually seen
> one. This is an 1890s era Sterling water pump engine snapped at an  
> antique
> farm machinery show. It runs on the waste heat from a small coal  
> stove,
> generates about one horsepower and pumps about two gallons of water a
> minute. It is almost dead silent. Unfortunately it weighs about as  
> much as a
> Volkswagen. Far too heavy for a motorbike.
> Larry Z
> _______________________________________________
> Leica Users Group.
> See for more information

In reply to: Message from lrzeitlin at (Lawrence Zeitlin) ([Leica] Sterling engine)