Back on 3 January 2006, I made the following comment -
This subject was previously discussed quite extensively. The consensus was
that all the units were delivered with a single stack, and that 19 units
(#9350-9366 and 9377-9378) were later fitted with four stacks from
(possibly) 1958 onwards. 9353 had four stacks when photographed in 1961.
If you want the full threads, check through the List archives.
Mike Spoor responded
The only one not resolved is #9358. Anyone out there got any photos of #9358?
I guess that the comments still apply
Rupert Gamlen
Auckland NZ
----- Original Message -----
From: "Bryan Howell" <tubaman21@yahoo.com>
To: <CBQ@yahoogroups.com>
Sent: Sunday, August 15, 2010 6:03 PM
Subject: Re: [CBQ] Q VO-1000
I came across this explaination on a Chuck Zeiler photo on RRPA.
"They were powered by a De La Vergne four-cycle eight-cylinder in-line diesel
prime mover coupled to Westinghouse electrical gear, producing 1000 horsepower,
or 60,405 pounds of tractive effort. It was found that the single exhaust stack
tended to create back pressure, and as a result, tended to overheat. The CB&Q
(and other railroads) solved this problem by installing four stacks on many of
its VO-1000's, resulting in a noisier locomotive. Some railroads went so far as
to add eight exhaust stacks, a practice Baldwin called, "hot-rodding"."
http://www.rrpicturearchives.net/showPicture.aspx?id=1211602
IIRC, I believe that there are 'dimples' on the underside of the hood to mark
where the stacks should go. I do not believe that all units got this
modification or what time period they were done. Looking at photos on RRPA,
some units still had the single stacks into the mid 60s when they started
leaving the roster.
Bryan J. Howell
tubaman21@yahoo.com
________________________________
From: John Manion <railbass@comcast.net>
To: CBQ@yahoogroups.com
Sent: Sun, August 15, 2010 5:42:28 AM
Subject: [CBQ] Q VO-1000
I have a Stewart HO Baldwin VO-1000 painted as CB&Q #9365. Holck Vol 1, p
58, shows a photo of #9365 at St Joseph in 1960 with four exhaust stacks
appearing to be mounted slightly towards the fireman's side. How much to
the left were these stacks mounted? Holck says that 9350-9364 had 11 small
louvered ventilation openings, and 9365-9379 had 15. The Stewart model has
the 15 openings. The other obvious difference is four stacks versus
one. Were certain units made with one stack or was this a change over the
years in service? I am modeling about 1950, so I am assuming that four
stacks would be correct for 9365 at that time. Would that be correct?
- John Manion
Denver, CO
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