[modeleng] Re: Lapping, pumps, etc was

I'm interested in knowing more about the Reeves' pump
casting you used as a basis, Harry.  Do they have an
on line catalogue?

Al

--- Phill Smith <steam@xxxxxxxxxxxxxx> wrote:

> Harry,
> 
> If I'd have known, I'd have told you..........
> <GRIN>  But my telepathy has
> been playing up lately......
> 
> Hmmm..... Actually, I think that I posted this info'
> a couple of years ago
> on that board that I don't go on any more.... You
> know the one........ Where
> moderators can say what they like, but no one else
> can........ Oh, and
> moderators put people down because they don't have
> the right equipment or
> they simply aren't Haroldish enough........  One day
> I may just log back
> on.........
> 
> If you have any other questions, ask away..... LOL 
> Before you make it.....
> <GRIN>
> 
> I have lots of info stored in my head (and some of
> it trivial rubbish to
> boot), it just needs a question or 2 to bring some
> of it out. I like to
> share. Well.... Some things, anyway........ LOL
> 
> As for the pump design.... That pump design (the
> idea anyway) started in the
> flash steam racing boats, and it was looked at by an
> engineer doing his PHD
> on fluid flow in pumps. When the tests were
> performed on every design that
> he could get his hands on, the results were amazing.
> 
> 
> 
> Cheers,
> 
> Phill.
> 
> 
> ----- Original Message ----- 
> From: "Harry Wade" <hww@xxxxxxxx>
> To: "Phill Smith" <steam@xxxxxxxxxxxxxx>; "Terry
> Lane" <tel@xxxxxxxxxxx>;
> "Keith Spriggs" <kdspriggs@xxxxxxx>; "Jesse
> Livingston"
> <fernj1@xxxxxxxxxxxxx>; "Charles Brumbelow"
> <cbrumbelow@xxxxxxxxxxx>; "Bill
> Bowser" <webowser@xxxxxxxx>; "Allen Messer"
> <al_messer@xxxxxxxxx>; "Alan J
> Stepney" <alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>;
> <modeleng@xxxxxxxxxxxxx>
> Sent: Monday, February 20, 2006 10:53 PM
> Subject: Re: [modeleng] Re: Lapping, pumps, etc was
> 
> 
> > At 01:25 PM 2/20/06 +0800, you wrote:
> > >Modern fluid flow analysis has shown that the
> close fitting plunger in a
> > >bore causes more problems than it's worth,
> >
> > Phill,
> >        NOW you tell me, however I can certainly
> say I've seen a number of
> > axle pump designs, especially smaller ones, which
> are of that design.
> > Whether they knew what you know then or not I
> don't know but the principle
> > is the same.  The problem for me at this point is
> that I've used a pump
> > casting from the Reeves 'Bridget' loco and it's
> all done but the final
> bore
> > finish.  Mounting location and axle clearances
> won't allow me to alter the
> > gland and guide now.
> >
> > >PS  Could someone please post this to the
> "modeleng" discussion group
> >
> >     I'll wait to see if anyone else posts it for
> you, and if not I'll do
> it.
> >
> > Regards,
> > Harry
> >
> >
> >
> 
> 


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