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Re: Wooden Howe pony truss rods

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ROW Explorer

January 05, 2010 06:32PM

Registered: 16 years ago
Posts: 2,736

The Jul/Aug 1990 edition of the Gazette features a plan of a typical Rio Grande bridge. This one is 62' long and the one at Hermosa is 64'. This plan shows the vertical rods decreasing in diameter towards the center of the bridge.

The diameters from an end of the bridge to the center:
2 1/2"
2 1/4"
1 3/4"
1 1/2"

I used this plan to build one for my garden railway but didn't vary the size of the rods. I picked a size that I could thread it was either 00-90 or 0-80, I forget now.

Dave

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Subject	Author	Posted
Wooden Howe pony truss rods	stanames	January 04, 2010 06:59PM
Re: Wooden Howe pony truss rods	Dick Bell	January 04, 2010 07:41PM
Re: Wooden Howe pony truss rods	stanames	January 04, 2010 08:24PM
Re: Wooden Howe pony truss rods	Dick Bell	January 04, 2010 08:46PM
Re: Wooden Howe pony truss rods	ND Holmes	January 05, 2010 01:30AM
Re: Wooden Howe pony truss rods	bookemdanno	January 05, 2010 07:32AM
Re: Wooden Howe pony truss rods	ROW Explorer	January 05, 2010 06:41AM
Re: Wooden Howe pony truss rods	ROW Explorer	January 05, 2010 06:32PM
Re: Wooden Howe pony truss rods	stanames	January 05, 2010 08:12PM
Re: Wooden Howe pony truss rods	ROW Explorer	January 05, 2010 08:39PM
Re: Wooden Howe pony truss rods	Bob Meckley	January 07, 2010 11:39AM
Re: Wooden Howe pony truss rods	bookemdanno	January 07, 2010 12:16PM

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

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