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RE: MU & Control Systems

Aus loco discussion mailing list

According to Ron Preston's book "The Green Diesels", the 41 class had a 120 volt DC control system and eight throttle notches. Quoting from the book 'In the closed position the engines ran at the idle speed of 680 RPM but no power was applied. When moved to Notch 1, power started to flow to the traction motors and the engine remained at the idle speed. Notches 2 to 8 gradually increased the speed and, hence, the power output of the engines that were operating.'
Regards,
Chris.

> -----Original Message-----
> From: Steve Palmano [mailto:steve719@GTE.net]
> Sent: Saturday, April 15, 2000 4:34 AM
> To: Aus loco discussion mailing list
> Subject: Re: MU & Control Systems
> 
> 
> Aus loco discussion mailing list
> 
> Re the older item below, a question I meant to ask at the 
> time was what kind
> of control system was fitted to the NSW Class 41 that made it 
> unique for MU
> purposes?
> 
> I'd guess that it had 110 volt auxiliary electrics (somewhat 
> of a British
> standard) and a notched control system with somewhere between 7 and 10
> notches.  Does anyone know?
> 
> 

EOM 

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