Jawn Henry

NW Mailing List nw-mailing-list at nwhs.org
Thu Jul 25 15:32:17 EDT 2019


I thought there were two traction generators. Have I been misled?

Dave Phelps 

Sent from my iPhone

> On Jul 25, 2019, at 1:26 PM, NW Mailing List <nw-mailing-list at nwhs.org> wrote:
> 
> “the problems were with the steam producing side”
>  
> Not true. The Babcock & Wilcox portion of JH was probably the most reliable of all systems on the loco. Kudus to them! Especially since there was concern of how a water-tube boiler would perform in a dynamic, railroad environment.
>  
> John Garner
>  
> From: NW Mailing List [mailto:nw-mailing-list at nwhs.org] 
> Sent: Thursday, July 25, 2019 11:00 AM
> To: NW Mailing List <nw-mailing-list at nwhs.org>
> Subject: Re: Jawn Henry
>  
> Don’t agree that the generator on JH gave no problems.  Actually, it was plagued with flashovers.  Remember, they were getting 4500 HP from a DC generator that would fit inside a locomotive carbody.  In the diesel era, I don’t believe that anybody tried to get more than 3000 HP out of a DC generator; they went to alternators  - EMD with the GP and SD 40s.
>  
> Ed King
>  
> From: NW Mailing List via NW-Mailing-List
> Sent: Thursday, July 25, 2019 9:51 AM
> To: nw-mailing-list at nwhs.org
> Cc: NW Mailing List
> Subject: Re: Jawn Henry
>  
> Agree - the problems were with the steam producing side; the actual drive train
> (generator and traction) worked well.  The decision to spend more on the turbine
> vs. going diesel, was a no brainer.  The steam age was over.
>  
> I am a volunteer at the NMOT in St. Louis.  One of our artifacts is a fully operational
> Chrysler turbine auto from the early 1960's.  Some visitors, especially the car nuts,
> view the turbine car as a wasted effort, etc.  Then we explain that the drive train led
> directly to the modern Abrams Tank.  Progress is often ups and downs.
>  
> Mike - thanks for the positive comment about JH.  I wish the N&W had saved
> the shell, but not to be.  Act in haste, repent at leisure.
>  
> Jerry Crosson;  NWHS in St. Peters MO.
>  
> 
> -----Original Message-----
> From: NW Mailing List via NW-Mailing-List <nw-mailing-list at nwhs.org>
> To: NW Mailing List <nw-mailing-list at nwhs.org>
> Cc: NW Mailing List <nw-mailing-list at nwhs.org>
> Sent: Wed, Jul 24, 2019 11:28 am
> Subject: Jawn Henry
> 
> Jawn Henry was anything but an embarrassment. It was an innovative idea that didn’t work. I’m sure plenty of things were learned during the experiment. Plenty of things fail and lead to greater things. 
> The recent Apollo celebration comes to mind as I type this on my cell phone. 
> Mike Shockley 
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