From: gl4317@yahoo.com

In article ,
 rcp27g@gmail.com wrote:

> It's the nature of the technology that electric traction will always be able
> to pack far more power into a given size/weight than a diesel prime mover.
> For European type operations, somewhere in the 500 hp/vehicle range is
> adequate for 100 mph operation and 750 hp/vehicle is adequate for 125 mph.
> That's based on a ~45 Tonne vehicle weight.


The Bombarier Bilevels are 110,000 lb.
http://en.wikipedia.org/wiki/Bombardier_BiLevel_Coach
and those are non-powered.

The single level M8 EMU is in the 144,000 lb. range
http://en.wikipedia.org/wiki/M8_(railcar)


>  This is entirely within the
> capabilities of current off-the-shelf under-floor engines[1].

> [1] with the caveat that new EU emissions regulations have just come in, and
> the existing designs are not yet conformal.


They have switched to what they are calling Tier 4 here.  They take up a
bit more space and require a bit more electronics than the older
engines.  A few designs require urea injection, but there is an effort
to develop engines that don't require this.

--
Please note this e-mail address is a pit of spam due to e-mail address
harvesters on Usenet. Response time to e-mail sent here is slow.

--- SoupGate/W32 v1.03
 * Origin: LiveWire BBS -=*=- UseNet FTN Gateway (1:2320/1)