Re: Big Boy top speed
Author: Hot Water
Date: 04-19-2019 - 15:12
ron Wrote:
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> Thank you. Is Ed gonna run er up to 70?
Why ask me? I have no idea.
> Hot Water Wrote:
> --------------------------------------------------
> -----
> > 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.