Railroad Forums
nomis wrote: ↑Thu Sep 17, 2020 6:04 am Given the inadequacies of the signal system on the system, you need those 4 car consists (5 cars on the dorchester branch) to operate at track speed.I guess things have changed since the RDC days wrt sigals?
Splitting consists with the goal of increasing operating sets would only be limited by the available quantity of: locomotives, cab cars, and toilet cars.
MBTA3247 wrote: ↑Sat Sep 19, 2020 2:58 pm I don't think the above calculations would apply to DMUs, as the braking power/ton ratio remains the same regardless of how many cars you have.I still don't understand why the number of cars effects the ability to brake. Doesn't each car have the same number of brakes per ton? Why should the stopping distance of five cars be any different than the stopping distance of a single car?
sonicdoommario wrote: ↑Fri Oct 09, 2020 3:14 pm Also, on the Worcester line, the outbound Heart-to-Hub is no longer there, and the inbound Heart-to-Hub now stops at Framingham instead of a clean shot from Worcester to Boston.It's there, it's just earlier in the rush hour now like the inbound one is. Also stops at Framingham.