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Arch Bar Truck How to.....

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johnpenn74

December 08, 2007 10:35PM

Registered: 16 years ago
Posts: 43

Quite recently I received some SP truck drawings from the California State railroad Museum. These trucks has wooden upper bolsters with steel truss rods running through and under the upper truck bolster.

Can anyone tellme how on earth a black smith gets the arch into the bolster? I mean, seriously, doesn't this bend defy some basic principles of geometry? How do they insert the rod at 25 degrees and then bend it for 25 on the other side?

John P

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Subject	Author	Posted
Arch Bar Truck How to.....	johnpenn74	December 08, 2007 10:35PM
Re: Arch Bar Truck How to.....	Curtis_F	December 08, 2007 10:54PM
Re: Arch Bar Truck How to.....	bcp	December 09, 2007 01:50PM
The picture	bcp	December 08, 2007 11:25PM
Re: The picture	johnpenn74	December 09, 2007 09:31AM
Re: Arch Bar Truck How to.....	Randy Hees	December 09, 2007 08:34AM
Re: Arch Bar Truck How to.....	geode	December 10, 2007 04:06AM
Re: Arch Bar Truck How to.....	Ron Keagle	December 10, 2007 04:48AM
Re: Arch Bar Truck How to.....	Mike Roberts	December 11, 2007 02:59PM
Re: Arch Bar Truck How to.....	geode	December 11, 2007 05:02PM
Re: Arch Bar Truck How to.....	Randy Hees	December 11, 2007 09:49PM

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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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