[modeleng] Re: Stuart Triple Expansion Engine
- From: Allen Messer <al_messer@xxxxxxxxx>
- To: modeleng@xxxxxxxxxxxxx
- Date: Tue, 14 Dec 2004 05:25:51 -0800 (PST)
Jeff, do you carve your cylinders, flanges and all,
out of the solid like Wilfried did the cylinders for
his "Two Times Engine? If you do not, how do you
fabricate the flanges and valve faces? I have the
same problem in affording to feed my hobby!
Al Messer
--- Jeff Dayman <jeffdayman@xxxxxxxxxxxx> wrote:
> Hi Lee,
>
> Personally I gave up on castings a while ago due to
> the cost. I don't doubt
> they are expensive to make and there's a limited
> market for them, but I sure
> can't afford them. Here in Canada I was recently
> quoted $195 each for a
> Stuart V10 cylinder kit (yes, just the cylinder
> kit!)
>
> ($1.00 CDN roughly .45 UKP)
>
> So, I've switched to fabricating everything. For the
> steam roller cylinders
> (and a few more models in time) I bought a big bar
> of Meehanite cast iron, 2
> 3/4" diameter x 18" for $10 at my local metal
> supermarket. The stuff
> machines absolutely beautifully and being Meehanite
> is very uniform in
> grain. No sand to deal with either, as it's
> continuous cast bar.
>
> By fabricating, there is one less obvious benefit.
> When using an expensive
> casting, I tiptoe around and be ultra careful
> measuring and machining for
> fear of ruining it. This takes time and could be all
> for nought if there's a
> blow hole or other defect, or I make a mistake. The
> whole time I'm working
> with it there's a kind of dread, which is not fun.
>
> With fabrication, a bit of relatively inexpensive
> raw stock is all that's at
> stake and it could be replaced quickly and cheaply
> if disaster struck.
> Because I'm aware of this, the work seems to go
> faster and I get more done.
>
> Good luck, Jeff Dayman Waterloo Ontario Canada
>
>
>
> ----- Original Message -----
> From: "Lee Grant" <leegrant@xxxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Tuesday, December 14, 2004 5:36 AM
> Subject: [modeleng] Re: Stuart Triple Expansion
> Engine
>
>
> > A correction
> > In my last Email I said that the Bolton casting
> set was $645.00 I have
> just
> > checked Ernie Winter's Site they are now $1069.60
> That's put that project
> on
> > the back burner for a few more years.
> >
> > Lee
> >
> > MODEL ENGINEERING DISCUSSION LIST.
> >
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