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Re: USA 250-256 [Spoiler Alert: Engineering/Thermodynamics Content]

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rehunn

February 01, 2014 04:29PM

Registered: 16 years ago
Posts: 4,894

Fine, as long as you're rolling a 200 psi shell increase the thickness
15%, increase the pressure to 250 and cut down the cylinder bore size hence reducing the steam volume requirements. If you're slippery at 185
psi you're flunking Steam Locomotive Design 1A. You reach 200 psi with a
soak locomotive without all the bs of large hard to roll odd sized tubes, heater tubes all over the place and the associated other leaks. I don't
deal with theoreticals, that's for people who don't wrench in the real
world.

Edited 1 time(s). Last edit at 02/01/2014 05:08PM by rehunn.

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Subject	Author	Posted
USA 250-256	Everett Lueck	January 30, 2014 08:58PM
Re: USA 250-256	Tom Moungovan	January 30, 2014 09:25PM
Re: USA 250-256	m.j.peltier	January 30, 2014 09:56PM
Re: USA 250-256	J.B.Bane	January 31, 2014 10:20AM
Re: USA 250-256	Tom Moungovan	January 31, 2014 02:09PM
Re: USA 250-256	rehunn	January 31, 2014 03:19PM
Re: USA 250-256	GeorgeGaskill	January 31, 2014 05:00PM
Re: USA 250-256	Tom Moungovan	January 31, 2014 06:34PM
Re: USA 250-256 [Spoiler Alert: Engineering/Thermodynamics Content]	rainbowroute	February 01, 2014 10:55AM
Re: USA 250-256 [Spoiler Alert: Engineering/Thermodynamics Content]	rehunn	February 01, 2014 04:29PM
Re: USA 250-256 [Spoiler Alert: Engineering/Thermodynamics Content]	Tom Moungovan	February 01, 2014 08:28PM
Re: USA 250-256 [Spoiler Alert: Engineering/Thermodynamics Content]	Everett Lueck	February 01, 2014 09:13PM
Re: comments to Everett	Tom Moungovan	February 02, 2014 01:44AM
Re: comments to Evereett	Everett Lueck	February 02, 2014 08:23AM
Re: comments to Evereett	m.j.peltier	February 02, 2014 06:23PM
Re: comments to Evereett	John C	May 21, 2014 05:45PM
Three lok trains up the hill	m.j.peltier	May 23, 2014 01:06PM
Re: duplicate post-deleted	Tom Moungovan	January 31, 2014 06:34PM
Re: duplicate post-deleted	rehunn	February 01, 2014 09:15AM
Re: USA 250-256	Jim Grigsby	February 01, 2014 12:20PM
Re: USA 250-256	John C	May 21, 2014 05:41PM
Re: 190 class gauge	m.j.peltier	May 23, 2014 01:11PM
Re: USA 250-256	John C	February 04, 2014 02:51PM
Re: USA 250-256	whitepasser	February 09, 2014 12:50AM
Re: WP&YR 69	m.j.peltier	May 23, 2014 01:15PM
Re: USA 250-256	John C	May 23, 2014 03:54PM
Re: USA 250-256	John C	May 24, 2014 01:52PM

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488 stops for water at Los Pinos tank on closing day Oct. 1979. Photo courtesy Don Richter

The NGDF was started by Don Richter and is currently operated in his memory by Nathan Holmes and others. Others who have contributed to the upkeep of this board are (in no particular order): Charles McCandless, Everett Lueck, Ted Wilton, Cole Adams, James Bane, John Moellmer, Jon Bentz, Linn Moedinger, lloyd lehrer, Rod Jensen, John Craft, Steven Forney, Herb Kelsey, Bill Ramaley, Russ Sperry (El Russo Loco), Josh McNeal, John West, Jim Armstrong, Bob Bergstrom, Greg Scholl, Blake Forbes Doug van Veelen and Mark Fuller.