[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: V/Line Pass Locomotives



On Sun, 28 Feb 1999 21:53:50 GMT, mauried@commslab.gov.au (Maurie
Daly) wrote:

>
>The obvious question here is just why are Ps , and for that matter series 2 & 
>3 Ts, Hs and SRA 49s all restricted to 60 MPH.
>Its certainly not a restriction of the loco itself which in the case of the 
>later Ts and 49s which have D29 motors and are geared for 75 MPH running.
>I presume that the Ps have even more modern traction motors.
>This speed limiting silliness doesnt just affect the GM locos either.
>Even the ubiqitous 48 is geared for 75 MPH running and limited to 60 MPH in 
>NSW only, 48s can do 70 MPH in Victoria.
>A P with up to 4 cars (200 tonnes, 5 HP/tonne) and running at 70 MPH would be 
>able to compete very favourably with an A on most lines , possibly with the 
>exception of Bendigo.
>
>Maybe the new owners will see the light.
>
>MD
Sorry Maurie the T ,P, H,have a gear ratio of 63 / 14 for a maximum
permissable speed of 62 MPH (info from genuine Clyde "T" class manual)
all the other loco's A B C G X N have 59/18 for a max permisable speed
of 83 MPH.
regards Paul Johnston