Re: Superheated side valves (NNG)

hank Wrote:
=======================================================
> In 1917 the Carlton managament planned to
> super-heat the Class 159 (3201-205, Baldwin 1901)
> engines but only got the 202 finished before the
> end. She retained her slide valves and, in an
> example of the vlaue of super-heat, lasted 18
> years longer in service after being sold to the
> L&A. (sold again 1949, scrapped 1951. her sisters
> went in 1933-34) She kept the slide vavles right
> to the end. there's a picture in Cafky's book on p
> 365 taken in february of '51.
>
> Kinda a fascinating class of engines, the 159's.
> Orginally Vauclain compounds they were simpled in
> 1908 but were then poor steamers (over
> cylindered.) On the Midland all passenger engines
> had 60" drivers while all freight engines had 52"
> escept this class which had the 60". Apparently
> these 2-8-0's were intended for dual service. Most
> unusual engines.
>
> hank

I believe they were intended to be passengers engines out of Colorado City - hence the bigger drivers.