[SEL] Making a piston and Wico EK reference

[Richard Strobel]

Thanks Peter..whew, that was the fastest response I've ever received.  I'll 
pass that info onto my machinist bud.

  On another note, either you or someone else over there on the SEL, has a 
large amount of reference material on their website.  In regards to the Wico 
EK mag, I remember the quality was not too good.  I just got a nice reprint 
off ebay and maybe I could help out.

later,
RickinMt.


----- 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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