[modeleng] Re: stationary engines
- From: Allen Messer <al_messer@xxxxxxxxx>
- To: modeleng@xxxxxxxxxxxxx
- Date: Thu, 11 Nov 2004 05:34:33 -0800 (PST)
"...due to ease of manufacture..." You're right about
that, all right!! That's true even in model sizes.
Al Messer
--- Phill Smith <steam@xxxxxxxxxxxxxx> wrote:
> None of the early ones.... but from the turn of the
> last century they
> started to appear. Towards the end of the steam
> donkey engine, it was still
> only the high speed engines that were fitted with
> them. Where efficiency
> didn't matter too much, they were always slide
> valve, due to ease of
> manufacture.
>
> Cheers,
>
> Phill.
>
>
> ----- Original Message -----
> From: "alanjstepney"
> <alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Tuesday, November 09, 2004 6:02 AM
> Subject: [modeleng] stationary engines
>
>
> > As far as I am aware, all the early stationary
> engines used slide valves.
> > Later ones sometimes used piston valves on the HP
> cylinder, usually with
> > slide valves for the LP cylinder.
> >
> > I dont think any used just piston valves until the
> got to the enclosed
> > verticals later in their development.
> >
> > Am I correct?
> >
> > Does anyone know of any early single cylinder
> stationary engines that had
> > piston valves?
> >
> >
> > alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >
> > www.alanstepney.info
> > Model Engineering, Steam Engine, and Railway
> technical pages.
> >
> > MODEL ENGINEERING DISCUSSION LIST.
> >
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> >
> >
> >
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>
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