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Re: Transrapid abandons Sydney-Canberra

Subject: Re: Transrapid abandons Sydney-Canberra
From: David Bromage <dbromage@omni.com.au>
Date: Fri, 06 Aug 1999 12:10:47 +1100
Newsgroups: misc.transport.rail.europe, aus.rail, misc.transport.rail.australia-nz
Organization: RailPage Australia http://www.railpage.org.au
References: <379FE2D2.2BB32557@omni.com.au> <7npb3m$ia6$1@xs4.xs4all.nl> <1dvtdfe.12p14sf2o9j18N@pec-34.au3.m.uunet.de> <7o8ro4$qn0$1@xs4.xs4all.nl> <FFxvn6.5I0@presby.edu>

Jon Bell wrote:
> 
> In article <7o8ro4$qn0$1@xs4.xs4all.nl>,
> Maarten Deen <mdeen@xs4.xs4all.nl> wrote:
> >
> >I wonder if that's true. Wheel-rail friction is eliminated whith a maglev
> >system. Doesn't this mean less friction overall?
> 
> Yes, but at high speeds air friction tends to dominate everything else.

Air resiatance is proportional to the cube of the speed.

The maglev also has magnetic drag, which is equivalent to wheel/rail friction.

Cheers
David

Follow-Ups:
- Re: Transrapid abandons Sydney-Canberra
  - From: Hans Kraus <hans.w.kraus@siemens.at>

References:
- Re: Transrapid abandons Sydney-Canberra
  - From: w_keller@gmx.de (Wolfgang Keller)
- Re: Transrapid abandons Sydney-Canberra
  - From: mdeen@xs4.xs4all.nl (Maarten Deen)
- Re: Transrapid abandons Sydney-Canberra
  - From: jtbell@presby.edu (Jon Bell)

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