Marshall-
I don't think these were rebuilds...there is no reference to "rebuild"
anywhere on the drawing. The date on the drawing is obscured but it looks
like it was prepared when the D4s were too new to be a rebuild.
The steam chests are like the R4 and S1.
The D4s had 57" drivers, so the use of 52" is interesting.... were the D4s
slippery, that made the new loco go to the smaller size, or were these
intended to be transfer locomotives or hump power???
Charlie
----- Original Message -----
From: "zephyr9903" <zephyr9903@iowatelecom.net>
To: <BRHSlist@yahoogroups.com>
Sent: Wednesday, August 20, 2003 2:28 PM
Subject: Re: [BRHSlist] Re: CB&Q Proposed Steam - "D-8"
> On Wed, 20 Aug 2003 09:03:15 -0500, Charlie Vlk wrote
> > > Interesting, did it perchance look close to the 2-8-0 that came out
> > > awhile ago?
> >
> > Not really. The Bachmann loco has 63" drivers; the proposed hog has
> > 52" drivers....the same as a USRA 0-8-0. It does have a little more
> > modern architecture than the D-4s but looks more like them than any
> > other road's power. Inside steam delivery pipe cylinders, outside
> > valve gear (can't tell the type by the drawing), double window cab
> > as used on the D-4s. Interestingly, the drawing shows a detail for
> > an alternate diamond stack, as was applied to the D-4s for spark
abatement.
> > Charlie Vlk
>
> "Fascinating", as Mr. Spock would say . . . wasn't the diamond stack a
pre-
> extended-smokebox adaptation for lignite burning?
>
> And the reference to inside delivery steampipes also brings up some
> thoughts. Are we also talking inside piston valves a la R-4/5 and
S-1/S-2?
> If so, we'd also be looking at a "couldabeen" D-8A rebuild in the '20s
qith
> outside valves -
>
> As my Vulcan personality remarked - "Fascinating, Captain!"
>
> Marshall Thayer
> Timewarp, IA
>
>
>
>
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>
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