Re: [Ausloco] Re: [NSW/ASR] 422 Class Locos

["alan holding" <charters@origin.net.au>]

G'day all,

Shouldn't that be "nine" (9) traction motors not eight (8) with, therefore,
six (6) in parallel and nine (9) in series or series parallel?

BU's still retain their Co-Co wheel arrangement don't they?

See Ya   AH

-----Original Message-----
From: Andrew Panayi & Janet Williams <apanay@picknowl.com.au>
To: Ausloco@egroups.com <Ausloco@egroups.com>
Date: Friday, May 12, 2000 7:42 PM
Subject: Re: [Ausloco] Re: [NSW/ASR] 422 Class Locos


>
>Good evening all,
>

>To answer the question about the BU's once the ALF's transition to parallel
>operation the BU's cut out and are dragged as part of the load; i.e. the
>BU's only operate in series for low speed haulage power. Ineffect the ALF
>generator powers eight traction motors in series and six in parallel
(normal
>operation).
>For those interested the theory behind this is by powering the extra two
>motors on the BU it increases tractive effort by using the extra 36.5 t on
>each end of the BU so it is like adding 36.5t to an ALF (correct me if I'm
>wrong).
>


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