JustWonderin' jeffhergert The Rock Island didn't (officially) use dynamic brakes. Their train handling rules forbid engineers from using them when foriegn power happened to be on RI trains. The dynamics on engines they bought used were disconnected and on some that were eventually rebuilt, removed entirely. Jeff Why would using dynamic brakes be banned? Lack of training on proper usage or something else? Some railroads, like the New Haven and Rock Island considered dynamic brakes a maintenance headache. They ordered new power without dynamics and disconnected the systems on used locos so equipped.
jeffhergert The Rock Island didn't (officially) use dynamic brakes. Their train handling rules forbid engineers from using them when foriegn power happened to be on RI trains. The dynamics on engines they bought used were disconnected and on some that were eventually rebuilt, removed entirely. Jeff
The Rock Island didn't (officially) use dynamic brakes. Their train handling rules forbid engineers from using them when foriegn power happened to be on RI trains. The dynamics on engines they bought used were disconnected and on some that were eventually rebuilt, removed entirely.
Jeff
Why would using dynamic brakes be banned? Lack of training on proper usage or something else?
Overmod Only four railroads apparently had E8s with DB (a fifth, Rock Island, bought a demonstrator but may never have used its installed dynamic). Early ones had a 36" fan, later ones a 48" as on E9s. I am not a SP expert but I think they used that field loop setup on the E8 dynamic and this was only changed going through the GRIP rebuild program later...
Only four railroads apparently had E8s with DB (a fifth, Rock Island, bought a demonstrator but may never have used its installed dynamic). Early ones had a 36" fan, later ones a 48" as on E9s.
I am not a SP expert but I think they used that field loop setup on the E8 dynamic and this was only changed going through the GRIP rebuild program later...
NorthWest Dynamic braking was first introduced as an option on the E8.
Dynamic braking was first introduced as an option on the E8.
I was reading a book on SP passenger service. Within the book there was a segment on the Shasta Daylight and the power that hauled it. It stated that it was originally intended that the power for the train would be EMD E-7's however shortly after the train started operating the power was switched to Alco PA's because the PA's had dynamic braking and the E units didn't.
Did EMD offer dynamic braking as a option on any of their E units?
Never too old to have a happy childhood!
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