Subject:
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Re: Truck Trivia (was Re: Small new train web site
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Newsgroups:
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lugnet.trains
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Date:
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Fri, 20 Aug 1999 13:41:42 GMT
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Viewed:
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1010 times
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Larry Pieniazek wrote:
> IIRC the Bolster is the cross beam part of the truck, connecting the two
> cast sideframes. It rides on the truck springs. It has a large brass or
> roller bearing or sliding surface in the center, with a hole in it.
>
> The Kingpin is attached to the load bearing cross member that transmits
> the car weight to the truck. it sticks down into the hole in the
> Bolster. Around the kingpin is a weight bearing surface that rides on
> the sliding surface of the bolster.
I had always thought the bolster was the crossmember on the body, so of
course I had to find out. We're both right if you look at
http://www.wdsolutions.com/mckinzie/terms/b.html.
In my search I also found that tractor-trailer trucks also use similar
terminology. In a truck, the kingpin of course is the pivot point
between the tractor and the trailer.
--
Frank Filz
-----------------------------
Work: mailto:ffilz@us.ibm.com
Home: mailto:ffilz@mindspring.com
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Message has 1 Reply:
Message is in Reply To:
 | | Truck Trivia (was Re: Small new train web site
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| (...) The GMLTC already uses this technique for mounting tiles vertically, as do I. I actually was referring to the notion of building a non moving door that looks like it was moved to the open position and hiding the trickery. (...) Not to worry. (...) (25 years ago, 20-Aug-99, to lugnet.trains)
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