Bill got the hoses spot on for PRR. As usual with Baldwin -- many
variations seems to be the case -- and a large number of 616's appeared
not to have MU capability at all.
Kalmbach DIesel Loco. Cyc. Vol. 2 on page 23 shows an end shot of B&O
2249 with the same hose set up as Bill's. Caption says "B&O model
features an air throttle, electric sanding control, and 24RL brake. The
four hose connections are for throttle, main reservoir, actuating, and
application/release hoses. Control of sanding is accomplished through
the Baldwin 16-point electrical receptacle located under the catwalk step."
Another photo on page 121 shows PRR 6966 (large sans serif cab numbers,
conventional P----- on hood) with exactly the same set up and both sets
of hoses (i.e. 4 + 4) hooked up whereas B&O photo shows only 4 (one
side) hooked up.
So it appears Bill got it exactly correct for PRR practices -- although
I don't know why both sets of hoses would be necessary for a two unit
lash up? Maybe the second set acted as a shunt around a following unit
to still a third unit following that. In fact, I like that explanation
a lot given you could only use an air signal once in a line reliably.
Cheers,
Chris
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