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- Xref: sparky rec.models.railroad:2418 rec.railroad:9148
- Newsgroups: rec.models.railroad,rec.railroad
- Path: sparky!uunet!psinntp!bony1!billg
- From: billg@bony1.bony.com (Bill Gripp)
- Subject: Re: Pantograph pickup width Swiss 460
- Message-ID: <1992Nov21.061505.1282@bony1.bony.com>
- Organization: LA&W RR
- References: <urf.722020840@sw2001> <1992Nov18.053023.25928@news.uiowa.edu>
- Date: Sat, 21 Nov 92 06:15:05 GMT
- Lines: 33
-
- In article <1992Nov18.053023.25928@news.uiowa.edu> jones@pyrite.cs.uiowa.edu (Douglas W. Jones,201H MLH,3193350740,3193382879) writes:
-
- >I've always been impressed with Swiss catenary, because they
- >seem to make more consistant use of curved catenary than any
- >other place I've been. That is, when rounding a curve, the
- >catenary wire (or top wire, or support wire) is off to one
- >side, so that it pulls the running wire to the side at every
- >support point. This keeps the running wire within a few
- >(prototype) centimeters of the centerline of the track, so
- >narrow pickup shoes should pose no problems.
-
- >By comparison, most catenary I've seen in the US, or France and
- >Italy, for that matter, has been strung with the support wire
- >directly above the running wire, so that both hang straignt
- >from one lineside support pole to the next. This leads to
- >deviations of on the order of 10 to 20 cm from the centerline
- >of the track on a curve, and it clearly needs a wider shoe for
- >safe running.
-
- I was always impressed by the appearance of the NYNH&H cat. They had
- two cat's supporting each conductor which swung down and in to the bottom
- then up and out again. The series of triangles resulting from the 2 cat
- to conductor and the cat to cat support bars was a sight to behold.
-
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