Maps, Directions, and Place Reviews
Etymology
Bullshit folk etymology. They're called hopper cars because they're hoppers on a wagon, the term pre-dates railways. I'd suggest the section be removed outright. 121.45.14.34 (talk) 20:26, 30 August 2009 (UTC) I know it's been over half a year, but do you possibly have a source to back that up? As far as I remember the slang term "Hopper" used for slant wagons came about in the 1930s (I'm not expecting you to believe me, just like that, after I asked for proof, but I'm too lazy to look it up). A1s (talk) 19:46, 26 April 2010 (UTC)
Steel Hoppers Video
Backhauls
Do hopper cars handle different commodities? For instance, does a car go from handling coal to grain? 119 20:19, 2 Apr 2005 (UTC)
68.36.6.147 (talk) 21:49, 5 January 2008 (UTC)
Hopper car history - a small beginning...
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Source: http://home.earthlink.net/~carscoal/Coal_Cars_Promo.pdf
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It is clear that the information in the source file was selected from a published work, but that work is not cited in the file or on the website. The following is my summarization of material in the PDF file. -jm
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1896 - Carnegie Steel Company contracts with Keystone Bridge Works to create the first all-steel coal hopper, built of structural-steel components, with a capacity of 80,000 pounds. Numbered 5500, it was put to the test by the Pittsburg, Bessemer & Lake Erie Railroad.
1897 - Charles T. Schoen, owner of Schoen Pressed Steel Company, exhibits a prototype of a coal hopper made of pressed-steel components at the Master Car Builders Convention. It was designed in cooperation with the Pennsylvania Railroad.
Later in 1897, the PB&LE signed a production contract with Schoen Pressed Steel Company for 1,000 all-steel hoppers, 400 of Carnegie's design (each weighing 37,150 lbs), and 600 of Schoen's (each weighing 34,350 lbs). These first hopper cars were designed with 2 bays and were rated for loads of 100,000 lbs.
Circa 1900, PRR introduced hoppers of the GP and GPA classes, rated for 50 tons. The GPA was intended for hauling coke, a material lighter per volume than coal (28 lbs per cubic foot vs 46 for coal), so they created it with coke racks and taller sides. (It appears that there might have also been a GLA class...)
In 1909, the PRR introduced the H21, a larger, four-bay hopper originally intended for hauling coke. Over the next few years its load limitations were increased when it was produced with trucks of greater capacity, which enabled it to be used for hauling 140,000 pounds of coal.
Around 1912, the Norfolk & Western introduced a flat bottom gondola with drop doors, 6-wheel articulated trucks, and a 100 ton capacity that could withstand the physical stresses of being unloaded in its rotary car-dumping machine at its deep-water terminal at Lambert's Point near Norfolk, Virginia.
In 1920, the N&W introduced a new 100-ton flat bottom gondola with side-bearing trucks having conical roller bearings. These improvements enabled other older features (heavy center plates and truck bolsters) to be discarded, saving much car weight. This design eventually evolved into the GKd series.
Late in the 1950's, a number of manufacturers (such as Bethlehem Steel) began producing triple-hopper cars.
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68.36.6.147 (talk) 21:49, 5 January 2008 (UTC)
Open vs. covered
Does "Hopper car" refer to all Hopper cars, both covered and uncovered, or only to uncovered ones? In other words, are covered Hoppers a subset of Hoppers, or an entirely different type? Propaniac (talk) 15:45, 14 January 2008 (UTC)
Capacity?
I would think an encyclopedia would have typical values for the capacity of train cars, including hopper cars. How many tons of coal does one hopper car typically carry, how many gallons does a typical tank car carry, how many cubic yards fills a typical gondola, etc.? I realize there are ranges and not exact values, but for the sake of discussion, what might be a round number? Thanks. 192.31.106.34 (talk) 19:50, 1 July 2009 (UTC)Bruce Tiemann
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