2024 Horsepower vs tractive effort

Horsepower vs tractive effort

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August undefined, 2024

WebTherefore, Tractive Effort was more important than HorsePower for steam locomotives. Tractive Effort is a quantity determined almost entirely from the locomotive's geometry. It … WebMar 1, 2024 · Horsepower In tests, Lima's new design was found to be capable of producing a stunning 7,498 drawbar horsepower (dbhp), nearly 1,200 more than either the Big Boy (6,300) or N&W's Class As (6,300). The …

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WebAvailable Tractive Effort Tractive effort determined by: Force of vehicle’s engine Maximum value transferable Maximum Tractive Effort Define the point at which additional engine … WebFeb 15, 2024 · However, C&O put these engines to work in the mountains, where they seldom if ever got to use all that horsepower, and their 110,200 pounds of starting tractive effort limited the tonnage they could handle; their rating was only 200 tons more than the H7 2 … fietsspecialist panoven

How are horsepower, speed and tractive effort of locomotives related …

WebSo let’s look at our tractive effort graph: at 80km/h, we can use 5th gear and apply roughly 1450lb-ft of torque to the axle, or we can use 4th gear and apply 1700lb-ft of torque! That’s 17% more torque to the ground, and guess what, our HP at 80km/h is 17% higher in 4th … WebMar 1, 2024 · As an average, the roads I worked on, used a ratio of one HP per ton, as long as the grade was at, or less than 1% average. That, as a quick average, would mean your F-7 would be rated for 12-15 cars (loaded), on a railroad with an average grade of 1%. The ruling grade, for the same amount of tonnage/HP would be APPROX., 10% of the average. WebMar 10, 2024 · Tractive Effort/Starting 183,000 Lbs Tractive Effort/Continuous 166,000 Lbs at 13.7 mph Top Speed 70 mph ET44C4 Entered Production 4/2015 (BNSF #3911) Years Produced 2015 - Present GE Class ES44C4 Engine GEVO-12 Tier IV (12 cylinder) Engine Builder General Electric Horsepower 4400 RPM griffin brothers inc salem oregon

Available Tractive Effort Road Vehicle Performance: Tractive …

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WebNov 10, 2016 · What is the difference in tractive effort and power in the locomotive stats? I'm assuming power is how quickly the train will accelerate and tractive effort is ability to climb hills, but I'm not sure. Showing 1 - 1 of 1 comments Cougarific Nov 10, 2016 @ 3:31pm There are already a lot of helpful discussions about this here. WebApr 13, 2024 · Years ago, the common tractive effort equation was (horsepower x 308) divided by speed = tractive effort. If speed is in miles/hr and TE in pounds. This just restates the definition of horsepower and assumes that 308/375 (i.e 82%) of the locomotive's rated power appears at the wheel rim. griffin brothers charlotte ncWebA short line railroad or branch line with the same tractive effort requirements might require up to 2000 horsepower to move the train because of the higher speeds involved. Main … griffin brothers auto

"WebSep 23, 2014 · Definitional tractive effort is the force that a locomotive (s) exerts at the rail to move itself and any coupled railcars. Application of tractive effort is specifically at the … " - Horsepower vs tractive effort

Horsepower vs tractive effort

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WebNov 10, 2016 · What is the difference in tractive effort and power in the locomotive stats? I'm assuming power is how quickly the train will accelerate and tractive effort is ability to … WebMar 28, 2016 · 574. Mar 24, 2016. #1. The F125's will generate 4700 HP with a 20-cylinder engine and have a starting tractive effort of 315 kN to pull up to 10-20 bi-levels with one unit. The Chargers will generate 4400 HP with a 16-cylinder engine and have a starting tractive effort of only 290 kN to pull only up to 5 bi-levels with one unit.

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WebAug 30, 2024 · To illustrate how these factors can affect the pulling power on locomotives with similar horsepower, a General Electric C40-9W with D.C. traction produces 4,000 … WebRe: Tractive Effort v Horsepower By Al Krug Author: agentatascadero This is a very well written essay, but only adresses diesel power. My guess is that "the numbers" for steam …

http://www.republiclocomotive.com/locomotive-power-calculations.html Web2. The tractive effort required to accelerate the rotating parts: The rotating parts consist of wheels, gears, axles and rotor of the motor. The moment of inertia of the wheel is expressed by the formula shown below. Where J w is the moment of inertia of the wheel, kgm 2 and N x is the number of axles on the wheel. N – the number of driving ...

WebAccording to Wikipedia HP can be a measure of ability to turn steam to water, or in the case of locomotives it can be a measure of how fast you can move a load. Drawbar … http://evilgeniustech.com/idiotsGuideToRailroadPhysics/HorsepowerAndTractiveEffort/

WebNumerous ES44AC units received by UP and CSX are often classified as an "ES45AC", and are commonly rated at 4,500hp: the maximum gross horsepower output. Ironically, BNSF's vast GEVO "armada" (as dubbed by railfans) has since replaced the C44-9W or Dash 9 as being the main locomotive used by the railroad.

WebSo in other words, Tractive force primarily deals with the train accelerating halfway to its max speed where Horsepower deals with the last half? rnev64 • 6 yr. ago rule of thumb is: (train) slows down to about 10mph when climbing a hill It needs more tractive effort . griffin brothers auto repair charlotte ncAs used in mechanical engineering, the term tractive force can either refer to the total traction a vehicle exerts on a surface, or the amount of the total traction that is parallel to the direction of motion. In railway engineering, the term tractive effort is often used synonymously with tractive force to describe the pulling or pushing capability of a locomotive. In automotive engineering, the terms a… fietssport plus account fietsspecialist slagterWebMar 10, 2024 · The locomotive featured GE's model 752AH traction motor which could produce 142,000 pounds of starting tractive effort and 109,000 pounds continuous. ES44DC Rated at 4,400 horsepower using DC traction this model replaced the C44-9W model (also rated at 4,400 horsepower using DC traction). fietsspecialist ricycleWebRe: Tractive Effort v Horsepower By Al Krug. Author: tomstp. This reminds me of a SP engineer's "discussion" with a dispatcher who had told him to trade his 4 SD40's to the on coming train with 4 GP-40's. The engineer protested that it would make it necessary for him to back up several miles to get a run to go over Piasano Pass. griffin brothers masonryWebDec 26, 2012 · Tractive Effort vs Horsepower. Many people confuse Horsepower (Hp) and Tractive Effort (TE). With this essay I hope to clear that confusion. I use some terms and formulas in this essay that may not be familiar. I suggest that you read the Definitions at the end of this document. Assume a train that weighs 15,000 tons is stopped on a 1% grade. fietsspecialist surhuisterveenWebAug 30, 2024 · A small portion of tractive effort is used to move the locomotive itself and the remaining is used at the drawbar to pull the train. To illustrate how these factors can affect the pulling power on locomotives with similar horsepower, a General Electric C40-9W with D.C. traction produces 4,000 horsepower and its tractive effort is roughly ... fietsspecialist ter aar