--- "Allendorfer, Peter" <Peter@regionofdoom.com>
wrote:
> Take, for example a Diesel Electric Locomotive.
> Say, the EMD SD-90MAC.
>
> The prime-mover (Diesel Engine) is a V-16 2-stroke
> Direct Injection
> Turbo-Diesel. It's RPM range is from 300-900. It
> generates 6000hp at
> 900rpm. Given the formula from an earlier e-mail,
> that would be 35013.3c
> lb/ft of torque. No wonder the railroads can pull
> mile long 8000 ton trains
> at speeds up to 79 mph (FRA speed limit on all Class
> 1 Railraods) with only
> 12-24 drive wheels. And steel on steel at that.
I remember some years ago Car & Driver did a "track
test" of a diesel-electric locomotive. One thing they
said about the engine's output was that it had as much
torque as 65 Corvette ZR1's.
> p.s. I have several expensive hobbies, and Model
> Railraods are one of them.
> :)
I used to engage in this hobby myself. I'd like to
get back into it one of these days, when I have more
time and money...
Scot
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