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 > > > > > > > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.