Re: Big Boy top speed
Author: ron
Date: 04-19-2019 - 15:04
Thank you. Is Ed gonna run er up to 70?
Hot Water Wrote:
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> ron Wrote:
> --------------------------------------------------
> -----
> > HotWater?
>
> Without going upstairs to the "library" and
> checking the Kratville book, I would first say
> that there really is no actual "top speed" for a
> steam locomotive. I've always heard the "old
> heads" say that "As fast as you have the balls to
> run 'em!" seemed to fit.
>
> That said, the driver diameter on the 4000s is
> only one inch smaller (68") than what the 3900s
> have (69"), and I've been on 3985 at 70+ MPH.
> Since quite a number of 3900s were converted to
> oil burning and assigned to passenger service out
> of Portland, OR and LA, I would think that a 4000
> should be good, and OK, for 70 MPH also.