[modeleng] Re: Steam Engine Valve Events

Roger,
I have several books detailing valve diagrams, of which, as Harry said, the 
Zeuner is one.
If you dont find what you want, let me know and I will copy some info and 
send it to you.

Alan Stepney

http://www.alanstepney.info
Model Engineering & steam engine information pages
----- Original Message ----- 
From: "Roger Mason" <roger.g3tdm@xxxxxxxxxx>
To: "Model Engineering List" <modeleng@xxxxxxxxxxxxx>
Sent: Tuesday, April 17, 2007 8:46 PM
Subject: [modeleng] Steam Engine Valve Events


Hi All,

    As a school boy I can remember going to the local public library and
diligently reading all the books on any kind of engine.   Several books
described a way of analysing steam engine valve events by drawing a
circle and dividing it up and dropping perpendiculars etc.

    I would love to re-visit this technique,  but cannot recall what
these diagrams were called.   So far searches on the Internet have
proved fruitless,  because I cannot remember (old age) the all-important
name by which these diagrams were known.

    Can anyone help me out please?


       Cheers,


          Roger Mason,  in St. Agnes.

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