On top of this there are three different styles of boxes. GP 7's 243 and 244
are shown in assignment sheets to have cab signals. And they have the oblong
boxes like 4960 and 5632(Al Holck Vol. 2) GP 9 272 and 278 have square boxes
while 283 and 288 have an oblong box but installed on its end.
Some Mainline engineers running with pool power when they got to Aurora would
flip on the cab signals to run across the East End(from a road trip I was on)
In I think the mid'80's BN put out a bulletin not to use foreign cab signals
cut
in on the East End(a real safety first move??)
Just goes to show you need to look at photos before detailing and lettering a
piece of equipment
Steve in SC
________________________________
From: Dave Lotz <Dave_Lotz@bellsouth.net>
To: CBQ@yahoogroups.com
Sent: Fri, August 13, 2010 8:38:46 PM
Subject: RE: [CBQ] Re: Mystery Box on Q GP9 #274
Hi all,
To sum up the correspondence so far, the consensus is that the box shown on
GP9 # 274 is a cab signal equipment box. Hol & I have been corresponding
and the fact that he has brought up is that these boxes probably were not
intended for cab signal use on the Q, but rather on the UP.
”Since none of the GP9s EVER are listed as being cab signal equipped on a Q
assignment sheet from 1956 on, I would make the assumption that this is
because the equipment was not intended for use on the Q. The first
run-through or motive power pool, with the UP, began on the Chicago-Grand
Island route in 1958-59, and several people have pointed out the photos
(primarily by Max Zimmerlein) showing the power to originally have been GP9s
from both roads -- but always with a Q unit on the point on the Q. The
application of cab signals to a number of the GP9s for use on the UP was
probably an early effort to make pooled power work, just as the
silver-painted UP cabooses for that same run-through operation were an early
attempt to make the operation work.”
Hol has gone though his slides and through the Corbin photos, and here is
his final tally of right side views taken in the 1960s:
With Box W/O Box
271 Blk 1/63 270 Red 4/64
272 Blk 7/60 281 Blk 8/64
273 Red 6/60 282 Blk 1/64
274 Red 10/64 287 Red 12/65
275 Blk 1964
276 Blk 1964
277 Red 10/62
278 Red 3/65
283 Red 1960, 4/65'
285 Blk 10/64
289 Red 5/68
That leaves only the 279, 280, 284, 286 and 288 unaccounted for. Hol has a
dupe of a Zimmerlein view of the pool train -- CGI -- at Sandwich in
December 1960 with red 279 on the point, but it's the westbound train from
the south or fireman's side, so he can't see if it has the box.
Does anybody have right-hand side photos of the unaccounted for units?
Hol feels pretty sure that, like other equipment installed on Q GPs and
SDs -- layover heaters and steam boilers in particular -- once the
relatively brief period in which these devices were used had ended, it was
easier just to leave the equipment in place, as its salvage value was not
worth the cost of removing it.
This is turning out to be a very nice Q&A piece for a future Zephyr!!
Dave Lotz
Pooler, GA
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