SP5103 Wrote:
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> I actually think the maximum speeds for the
> various EMD gear ratios were originally about 5
> mph slower. They raised slightly as armature
> bonding methods improved.

Yup.

> The 79 mph limit makes sense. The ICC/STB/CFR
> limits passenger trains in signalled territory to
> 79 mph unless some sort of CCS or ATS is
> functioning. I know SP had ATS for a while on
> Donner, but I'm not sure there are too many places
> you would want to do 79 mph without a parachute.

ATS was in effect in other places, too. For example, there was ATS on the Cal P east of Schellmound until about 1961 or so. WAF or JWL can probably give other examples.

> I don't mind running 24RL brake, I just hate the
> thought of having to work on it. The biggest
> problem with any 24 is figuring out what version
> you have, if it really has pressure maintaining
> and in what position. SP changed first service to
> pressure maintaining, but I've also ran one of the
> later versions that still had first service and
> pressure maintained in lap. It's been too long
> since I ran 14EL, so I would probably throw myself
> through the window with the independent until I
> got used to it again. 6BL is a good brake, but you
> can't beat 26L to run or rebuild. I hate the
> desktops and electronic brakes.

Agree on all points.

> Don't worry - when RCU, PTC and Digital brakes are
> fully implemented there will never be another
> accident (that they won't be able to blame on an
> employee).

That's OK. I'll be working at Mickey D's by then.