What Does Auto Tune On The Hopper Mean

Oct 28, 2017  It worked perfectly on the Hopper 2. It will occasionally process the auto tune event but mostly it will not. If you look at the activity under schedule. Setting an Auto Tune is a good way of allowing the receiver to reset itself, go in to standby and still be available with a buffer when you're ready to watch again. And with the timer one does not need to remember to change the channel manually. Auto-Tune can also be used as an effect to distort the human voice when pitch is raised or lowered significantly, such that the voice is heard to leap from note to note stepwise, like a synthesizer. Auto-Tune has become standard equipment in professional recording studios.

Two-bay hopper cars of the Reading Railroad
Swedish iron ore hopper (mineral wagon), built in 1900
Kambarka Engineering Works hopper car to transport track ballast, 750 mm (2 ft 512 in) gauge
American hopper car at Pittsburg, Texas, in 2015
BOBRN class hopper cars freight rakes used by Indian Railways

A hopper car (US) or hopper wagon (UIC) is a type of railroadfreight car used to transport loose bulk commodities such as coal, ore, grain, and track ballast.[1][2][3] Two main types of hopper car exist: covered hopper cars, which are equipped with a roof, and open hopper cars, which do not have a roof.

This type of car is distinguished from a gondola car in that it has opening doors on the underside or on the sides to discharge its cargo. The development of the hopper car went along with the development of automated handling of such commodities, with automated loading and unloading facilities.

Covered hopper cars are used for bulk cargo such as grain, sugar, and fertilizer that must be protected from exposure to the weather. Open hopper cars are used for commodities such as coal, which can suffer exposure with less detrimental effect. Hopper cars have been used by railways worldwide whenever automated cargo handling has been desired. 'Ore jennies' is predominantly a term for shorter open hopper cars hauling taconite by the Duluth, Missabe and Iron Range Railway on Minnesota's Iron Range.

A rotary car dumper permits the use of simpler and more compact (because sloping ends are not required) gondola cars instead of hoppers. Covered hoppers, though, are still in widespread use.

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Special hopper trains[edit]

The Coke Express, a unit train of hopper cars loaded with coke, with the words 'Coke Express' painted on the sides of the hoppers.

Typical American freight car weights and wheel loads[edit]

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Common net car loadsGross car weightsWheel loads
Short tonsLong tonsTonnesPoundsKilogramsPoundsKilograms
8071.472.6220,000100,00027,50012,500
10089.390.7263,000119,00032,87514,912
10190.291.6268,000122,00033,50015,200
11199.1100.7286,000130,00035,75016,220
125111.6113.4315,000143,00039,37517,860

Increase in wheel loads has important implications for the rail infrastructure needed to accommodate future grain hopper car shipments. The weight of the car is transmitted to the rails and the underlying track structure through these wheel loads. As wheel loads increase, track maintenance expenses increase and the ability of a given rail weight, ballast depth, and tie configuration to handle prolonged rail traffic decreases. Moreover, the ability of a given bridge to handle prolonged rail traffic also decreases as wheel loads increase.[4]

Etymology[edit]

The word 'hopper', meaning a 'container with a narrow opening at bottom', goes back to the thirteenth century,[5] and is found in Chaucer's story 'The Reeve's Tale' (written late fourteenth century) in reference to a machine for grinding grain into flour.

See also[edit]

  • Gravity wagon, also called a slant wagon

References[edit]

  1. ^'Covered Hopper Railcars'. GATX Corporation. Archived from the original on 16 September 2010. Retrieved 11 September 2012.
  2. ^'Small Cube Open-Top Hoppers and Gondolas'. GATX Corporation. Archived from the original on 16 September 2010. Retrieved 11 September 2012.
  3. ^'Covered Hopper Cars'. Chicago Freight Car Leasing Company. Archived from the original on 16 April 2012. Retrieved 11 September 2012.
  4. ^Bitzan, John D.; Tolliver, Denver D. (October 2001). 'The Economics of Heavy Hopper Cars'. Mountain-Plains.org. Mountain Plains. Archived from the original on 23 July 2011. Retrieved 7 August 2010.
  5. ^'Hopper'. Online Etymology dictionary.

External links[edit]

Wikimedia Commons has media related to Hopper railway wagons.
  • Union Pacific #7801 – Photos and short history of an example of a typical self-clearing, open-top triple hopper
Retrieved from 'https://en.wikipedia.org/w/index.php?title=Hopper_car&oldid=935959360'

Hopper car

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What Does Auto Tune On The Hopper Mean

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A hopper car is a type of railroad freight car used to transport loose bulk commodities such as coal, ore, grain and track ballast. Two main types of hopper car exist: covered hopper cars, which are equipped with a roof, and open hopper cars, which do not have a roof.This type of car is distinguished from a gondola car in that it has opening doors on the underside or on the sides to discharge its cargo. The development of the hopper car went along with the development of automated handling of such commodities, with automated loading and unloading facilities.Covered hopper cars are used for bulk cargo such as grain, sugar, and fertilizer that must be protected from exposure to the weather. Open hopper cars are used for commodities such as coal, which can suffer exposure with less detrimental effect. Hopper cars have been used by railways worldwide whenever automated cargo handling has been desired. 'Ore jennies' is predominately a term for shorter open hopper cars hauling taconite by the Duluth, Missabe and Iron Range Railway on Minnesota's Iron Range.Recently in North America the open hopper car has been in a terminal decline due to the advent of the rotary car dumper. A rotary dumper permits the use of simpler and more compact gondola cars instead of hoppers. Covered hoppers, though, are still in widespread use.