[steam_tech] Re: TRAINS.com latest- can steam make a comeback?

[NW Mailing List]

Speed is all about horsepower.  I'm not enough into Diseasels to know  
how much HP an SD 70 has, but I think its around 4000.  Three SD 70s  
would have about twice the HP of an A.  No contest!

pete groom
On May 26, 2008, at 8:23 AM, NW Mailing List wrote:




Note: forwarded message attached.



From: "herbgarratt" <herbgarratt at yahoo.com>
Date: May 25, 2008 9:48:37 PM PDT
To: steam_tech at yahoogroups.com
Subject: [steam_tech] Re: TRAINS.com latest- can steam make a comeback?
Reply-To: steam_tech at yahoogroups.com


Wooly, Bill, et al,

After the stunning vids I've seen of that gorgeous lok, reading this
about makes me weep!

Cheers (if that is even appropriate?),
Oz Pete

--- In steam_tech at yahoogroups.com, <wooly421 at ...> wrote:
 >
 > Is n't the 1218 about all cut up as far as boiler etc. & just put
back together for display at Virginia Museum of Transportation after
the last steam no steam deal on NS. She was saved to start with when
she was a portable boiler somewhere down there in the south
 >
 >
 >
 >
 >
 >
 >
 > ---- william wendt <wholelephant at ...> wrote:
 > > Maybe this will settle somthing.
 > >
 > > Let's see what 1218 can do with a 7500 ton train on straight,
level track, maybe even where the Class A's regularly hauled such
trains 60 mph or so.
 > >
 > > And let's see what three SD70s can do with such a train. My guess
is they will not quite make it to 60 mph.
 > >
 > > And of course we keep close track of the fuel and water
consumption.
 > >
 > > Let's see what is more economical by today's prices to run heavy
trains at such speed.
 > >
 > > The capital costs are more speculative. The prices of diesels are
well known, but what it would cost to produce steam locomotives in
any quantity is speculative indeed.
 > >
 > > And if we did produce new steam, it would be with the
Porta/Wardale boiler, Lempor exhaust, poppet valves, and 300 lb
pressure. How much these would be worth is speculative too, but some
reaonable estimate should not be beyond reach.
 > >
 > > It is speculative too how much interest rates will rise, but not
especially speculative they will rise considerably in the reasonably
near future. Higher interest rates will greatly favor the lower
capital costs of steam. Not only that, but they will put a premium on
train speed, not unlike on the old Great Northern silk trains.
 > >
 > > This would be a steam/diesel comparison at the speeds that matter
now. And it is not that diesels cannot haul heavy trains fast. It is
that they are very expensive in such service, at least by data from
twenty years ago.
 > >
 > > So let's let 1218 strut her stuff. Even her seven decade old
technology might be more economical in such service than the latest
diesels.
 > >
 > >
 > >
 > >
 > >
 > >
 > > ------------------------------------
 > >
 > > Yahoo! Groups Links
 > >
 > >
 > >
 >

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