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Re: Transrapid abandons Sydney-Canberra

Subject: Re: Transrapid abandons Sydney-Canberra
From: James Robinson <NOSPAM@ERIE.NET>
Date: Wed, 04 Aug 1999 18:56:44 -0400
Newsgroups: misc.transport.rail.europe, aus.rail, misc.transport.rail.australia-nz
References: <379FE2D2.2BB32557@omni.com.au> <7npb3m$ia6$1@xs4.xs4all.nl> <1dvtdfe.12p14sf2o9j18N@pec-34.au3.m.uunet.de> <7o8ro4$qn0$1@xs4.xs4all.nl> <slrn7qgjpa.5a.DELETE.THIS.hjz@hersland.Zierke.com> <7o9q7e$ocq$1@xs4.xs4all.nl>

Maarten Deen wrote:

> May be true, but why does transrapid accelerate so fast? To accelerate
> fast you should have a) lots of power, or b) low friction/drag. If you
> compare TR's data with the recordruns of TGV 325, than TR accelerates from
> 0 to 430 in 4 minutes, and TGV 325 needed 8 minutes from 0 to 440. Where
> is the gap?

Wheel / rail resistance is quite a small part of the total resistance of
a train at high speeds.  The advantage TR has is in the power-to-weight
ratio of the vehicle.

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: DELETE.THIS.hjz@Zierke.com (Hans-Joachim Zierke)
- Re: Transrapid abandons Sydney-Canberra
  - From: mdeen@xs4.xs4all.nl (Maarten Deen)

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