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Re: Super Series 42220
- Subject: Re: Super Series 42220
- From: John MacCallum <johnmac@lisp.com.au>
- Date: Tue, 01 Jun 1999 01:51:58 GMT
- Newsgroups: aus.rail, misc.transport.rail.australia-nz
- Organization: AT&T EasyLink Services, Australia (news.att.net.au)
- References: <3746CDE5.5B7967CD@wr.com.au> <3748012F.1F139C80@ozemail.com.au> <3748B2AF.F8DDBC08@zipworld.com.au> <keithm.34.3748FEEC@commslab.gov.au> <7ib2j8$8jq$1@lios.apana.org.au> <mauried.231.37491B3B@commslab.gov.au> <374a45e7.26535392@news.netconnec <mauried.232.374A64E2@commslab.gov.au> <374b99f4.2105969@news.netconnect.com.au>
SNIP
> >When NR were using the 82s was this in any way obvious?
>
> As a general rule 82s pull more but NRs go faster with any given load.
> For example a full load up Stawell bank with a BL/G/C would have us
> down to around 20 km/h. An NR happily goes over the top at around 35
> km/h.
>
> Cheers
>
> Krel
How do you explain that when there is only 33% more power available?
If a full load for a 3000 Hp loco produces 20 kph on a ruling grade
then for the same load 4000Hp will produce 20 x 4/3 = 26.66 kph
assuming no other losses.
John MacCallum