Re: EEs and other English model locos

["Alan Thompson" <athomp@speedlink.com.au>]

Aus loco discussion mailing list

The BHP EEs at Port Kembla have air operated throttles . Do the ex QR and
Tas Rail units also have them.
Alan
----- Original Message -----
From: Mike Dix <mdix@mrt.tas.gov.au>
To: 'Aus loco discussion mailing list' <Ausloco@listbot.com>
Sent: Wednesday, October 20, 1999 7:55 AM
Subject: RE: EEs and other English model locos


> Aus loco discussion mailing list
>
> The pipe problem seemed to be the major impediment between the QR and TGR
> locos, with the TGR going for three pipe when they converted the Z/ZA from
> vacuum to air as opp[osed to the four pipe arrangement which they later
> inherited on the ZB and ZC locos.
>
> The later EE locos in Australia did not have `notched' throttles. From the
> off position they went to a `minimum power notch' after which power
> application was `infinitely variable up to the maximum power position'.
>
> Michael Dix
>
> mdix@mrt.tas.gov.au
> Phone (03) 6233 8348
>
> > -----Original Message-----
> > From: John Regan [SMTP:reganjd@clear.net.nz]
> > Sent: Tuesday, October 19, 1999 10:31 PM
> > To: Aus loco discussion mailing list
> > Subject: Re: EEs and other English model locos
> >
> > Aus loco discussion mailing list
> >
> > From: Mike Dix
> > >The MU compatibilty problem between the TGR Z/ZA classes and QR 1300 &
> > 2350
> > >classes was more to do with brake systems than electrical or
mechanical.
> > >Although the two ZR/ZP locos were rewired they still don't seem to MU
> > >properly with the GM locos, although at last reports the parts to fix
> > this
> > >problem had been ordered. From memory this was also a brake problem.
> >
> >
> > Are the EE locos 4 pipe?  We used to operate 4 pipe EE locos in multiple
> > with 3 pipe GMs here with limited success as I remember.  Another
problem
> > was the GMs are 8 power notch and the EE were 10 power notch so they did
> > not
> > gel up so well.
> >
> > The 1460/1500 class we got from QR were 4 pipe and the boffins in
> > Wellington
> > attached a box in the cab that enabled them to be operated with 3 pipe
> > locos.  The MR pipe was blanked and some other mods were done. The
biggest
> > hassle with them was that they often failed to release the loco brakes
> > when
> > the automatic brake was applied and the independant released which
caused
> > loads of smoke and chopped out a set of blocks every trip to Picton
which
> > is
> > 350kms or so.
> > I think these locos were converted to 3 pipe with the upgrade and
> > installed
> > with 26L brakes before being shipped west.
> >
> > John Regan
> > reganjd@clear.net.nz
> > Christchurch
> > NEW ZEALAND
> >
> > +64 3 338 4260 (home)
> > +64 21 362 143 (mobile)
> > ICQ #15462976
> >
> >
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