[SEL] Making a piston

[Richard Strobel]

Not familiar with "Meehanite" and dictionary.com doesn't either....or am I 
fallin' into something <vbg>

Rick


----- Original Message ----- 
From: "Prepair Ltd" <prepair at easynet.co.uk>
To: "The SEL email discussion list" <sel at lists.stationary-engine.com>
Sent: Tuesday, February 15, 2005 5:38 AM
Subject: Re: [SEL] Making a piston


> On Tue, 15 Feb 2005 05:16:13 -0700, you wrote:
>
> >  Howdy all;
> > Would a piston built of steel work?
> >TIA
> >RickinMt.
>
> With caveats regarding lubrication and wear, yes it would, but you'd
> be better off looking at a piece of Meehanite or close-grained cast
> iron if you could. Machines better, wears better and has the
> self-lubricated properties which are desirable in a piston.
>
> Self-lubricating does NOT mean it runs without oil!! :-))
>
> If it is a low speed engine then CI is fine, but for anything faster
> you should consider Ali as the inertial forces on the small end and
> big end get horribly large as the speed increases, I haven't got the
> formulae here at work, but it is something like the forces squared for
> a doubling of engine rpm.
>
>
> Peter
> --
> Peter A Forbes
> Prepair Ltd, Luton, UK
> prepair at easynet.co.uk
> http://www.prepair.co.uk
>
>
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