Re: Boosters/Slugs (Was RE: BU1)

["ben scaro" <bscaro@hotmail.com>]

Aus loco discussion mailing list


I'm not sure of the mechanics of it, but what work would be needed to enable 
a Y to mu with a Z ?

Cheers

Ben

>From: "Melanie J. Dennis" <meld.asg@netspeed.com.au>
>Reply-To: "Aus loco discussion mailing list" <Ausloco@listbot.com>
>To: 'Aus loco discussion mailing list' <Ausloco@listbot.com>
>Subject: Boosters/Slugs   (Was RE: BU1)
>Date: Wed, 23 Feb 2000 12:12:06 +1100
>
>Aus loco discussion mailing list
>
>Is BU1 the only 'BU' now running?  Where are the other three?  Are there 
>plans to re-visit the booster principle?
>
>As an aside, back in 1993, AN Tasrail were actively considering the 
>Tractive Effort Booster principle as it was about to be trialled by AN 
>mainland.  It was felt the Tasmanian track topology provided the perfect 
>environment to make best use of booster slugs. The preferred option was to 
>use the eight 'Y' class as YS class slugs - each YS was to be coupled 
>between two ZA/ZB types.  Surplus 'Z' types (in reality, probably ZC class) 
>were also considered suitable for slugs but the available alternator 
>outputs of the 'master' ZA/ZB classes would have been a limiting factor 
>(each would have to supply three extra traction motors in a ZS instead two 
>for a YS).
>
>The overall goals were:
>a) Lower fuel consumption which had risen 15% between 1987/88 to 1991-92.  
>This was caused partly by withdrawal of 830 class and replacement with 
>additional 'Z' types.  AN Tasrail felt that 2 x 'Z' class hauled lower 
>loads than 3 x 830 although they had 45% more power at their disposal.
>b) Use of slugs would release older 'Z' types for retirement - again, 
>saving fuel.  Things were that desperate!
>
>The preservation groups that now have 'Y' class locos possibly don't 
>realise how close they came to losing them...
>
>Melanie Dennis
>Australian Steam Group
>meld.asg@netspeed.com.au
>
>
>
>-----Original Message-----
>From:	Justin Cheary [SMTP:alco251_244@hotmail.com]
>Sent:	Wednesday, 23 February, 2000 1:05 PM
>To:	Ausloco@listbot.com
>Subject:	BU1
>
>Aus loco discussion mailing list
>
>to ausloco discussion mailing list
>
>
>evening all,
>
>Today BU1 ran a load trial trip to Petwood and return with ALF20 and ALF25.
>The train left Dry Creek at 0830 this morning and returned about 1730. The
>train number was 3113/3112. I hope this is of any interest to anyone.
>Cheers,
>Justin Cheary
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Unlike any Steaks you've ever tasted...Filet Mignons from Omaha
Steaks! No "supermarket" steak can equal the perfect taste and
tenderness of a Filet Mignon from Omaha Steaks.  Now order 4 (5oz.)
Filet Mignon for $29.99 and receive a free gift!
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