[modeleng] Re: Steam engine RPM ? / measurements
- From: "alan Stepney" <alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Wed, 7 Sep 2005 11:11:34 +0100
I'll have to have a look at that book.
Sounds fascinating.
In fact, I am looking for older designs of engines so this might be helpful.
In that context, I was looking through one design in a Model Engineer of
around a century ago.
Apart from the usual 1/8, 1/16, 1/32, 1/64 which we are used to, some
dimensions were to 1/128, and others to 1/100 and a few odd measurements.
Seeing 48/100 is fine of you work with micrometers / verniers, but I would
hate to do that on a rule.
(In fact, I do have a rule that has a section marked in 100ths, or at least,
thats what it says!)
The "oddities" include, 13 1/2 twentieths and a couple of other similar
measures.
Isnt life simple these days?
Alan Stepney
http://www.alanstepney.info
Model Engineering & steam engine information pages.
----- Original Message -----
From: "Pcx" <pierre.courbouleix@xxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Wednesday, September 07, 2005 10:58 AM
Subject: [modeleng] Re: Steam engine RPM ?
Hi,
Thank you for your answers. The steam engine we are building is from the
book " Things to make " by Archibald Williams. This is an old book from the
beginning of the XX th century. You can have a look at this design in the
Project Gutenberg Ebooks on the web. For sure it needs some
modifications.....
PIerre
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