II Phrogs How did the relatively poor quality coal used by the Northern Pacific impact their performance, and by extension did the conversion to oil for the SP&S locomotives give any advantage or boost to their performance?
How did the relatively poor quality coal used by the Northern Pacific impact their performance, and by extension did the conversion to oil for the SP&S locomotives give any advantage or boost to their performance?
UP 'Small'
RA
1936 December 19
pp.900-903
RME
1937 January
pp.1-7
NP
1937 March 06
pp.389-391
1937 April
pp.160-163
DRGW
1938 July 09
pp.42-44,70
1938 September
pp.323-329
D&H
1940 August 10
pp.207-218
1940 September
pp.337-344
WM
1941 January 25
pp.209-215
1941 February
pp.45-52
UP 'Big'
1942 October 03
pp.516-519
1942 October
pp.413-417
As I think is well-known, both journals are available at the Internet Archive, RME under its later name of ‘Railway Locomotives and Cars’.
https://archive.org/details/pub_railway-age?sort=-date&and%5B%5D=year%3A%221937%22
https://archive.org/details/pub_railway-locomotives-and-cars
Bringing this thread back a little bit, does anyone have the unit costs of these? I've seen some numbers thrown around for NP Z-6's (185,000 ish) the UP CSA-1's (130,000 ish) and the last UP Challengers (225,000 ish) but apart from the Z-6 I dont really have faith in these numbers. Would be interesting to see how costs stack up.
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