Altamont Press Discussion Board :: Discussion

Re: Firing up a Rotary

Author: Steve

Date: 12-29-2021 - 14:49

Hot Water Wrote:
-------------------------------------------------------
> Dr Zarkoff Wrote:
> --------------------------------------------------
> -----
> > > No they don't, i.e. have "a cold, drained
> > boiler", as the Southern Pacific up-graded all
> > their rotary plows to full electric drive, with
> > the driving traction motors receiving the
> electric
> > power from the up-graded B Unit, coupled behind
> > the plow. That was done many decades ago.
> >
> > Last I heard about 10 years ago, they kept the
> > Vapor-Clarkson water tube boilers to heat the
> > blades, although they had almost run out of
> people
> > who knew how the things worked.
>
> Yes, the rotarys still have those "Flash Boilers"
> in order to supply steam for the blades, as well
> as for the whistle. Even if "drained for the
> winter/storage" it only takes about 15 minutes to
> fill the coils with water and fire them up (that
> is why they are called 'Flash Boilers').

How is Bear Mohan these days? He was great at clearing the mountain back in the days of employment with both SP and UP

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Subject	Written By	Date/Time (PST)
Firing up a Rotary	Q.	12-29-2021 - 09:05
Re: Firing up a Rotary	Hot Water	12-29-2021 - 09:20
Re: Firing up a Rotary	Dr Zarkoff	12-29-2021 - 12:15
Re: Firing up a Rotary	Hot Water	12-29-2021 - 12:46
Re: Firing up a Rotary	Steve	12-29-2021 - 14:49
Video tour of SPMW 207	OPRRMS	12-29-2021 - 17:09
For comparison, video tour of SPMW 205 at the CSRM	OPRRMS	12-29-2021 - 17:12
Re: Firing up a Rotary	OPRRMS	12-29-2021 - 17:18
Re: Firing up a Rotary	WAF	12-29-2021 - 19:03

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Steve Wrote:
-------------------------------------------------------
> Hot Water Wrote:
> --------------------------------------------------
> -----
> > Dr Zarkoff Wrote:
> >
> --------------------------------------------------
> 
> > -----
> > > > No they don't, i.e. have "a cold, drained
> > > boiler", as the Southern Pacific up-graded
> all
> > > their rotary plows to full electric drive,
> with
> > > the driving traction motors receiving the
> > electric
> > > power from the up-graded B Unit, coupled
> behind
> > > the plow. That was done many decades ago. 
> > > 
> > > Last I heard about 10 years ago, they kept
> the
> > > Vapor-Clarkson water tube boilers to heat the
> > > blades, although they had almost run out of
> > people
> > > who knew how the things worked.
> > 
> > Yes, the rotarys still have those "Flash
> Boilers"
> > in order to supply steam for the blades, as
> well
> > as for the whistle. Even if "drained for the
> > winter/storage" it only takes about 15 minutes
> to
> > fill the coils with water and fire them up
> (that
> > is why they are called 'Flash Boilers').
> 
> How is Bear Mohan these days? He was great at
> clearing the mountain back in the days of
> employment with both SP and UP

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