2024 Horsepower vs tractive effort

Horsepower vs tractive effort

Author: ssmb

August undefined, 2024

http://www.republiclocomotive.com/locomotive-power-calculations.html As 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…

Locomotive Tractive Effort and Power Calculations

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 . WebDec 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. rawhide chandler az steakhouse

Railway Industry Overview 2.1 Introduction T - AREMA

WebThe tractive effort (in pounds) available from a locomotive can be roughly calculated as: Tractive Effort (lbs.) = Horsepower X (308) Speed (mph) Where 308 is 82% of 375 lb … WebAug 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 ... WebOct 13, 2008 · Drawbar pull is the tractive effort minus the rolling resistance. The equation looks like this: DP = T x R ÷ r - RR DP = T x R ÷ r - RR To determine the rolling resistance (RR) -- the force necessary to move a … rawhide chews bulk

Tractive Effort Advanced Steam Traction

WebJun 22, 2024 · Tractive Effort. “Tractive effort” (TE) is the force applied by a locomotive for moving itself and a train. Tractive effort or tractive force is measured in kilo-Newtons (kN) or pounds force (lbf) where 1 kN = 228.4 lbf. As with “power”, there are different methods of measuring tractive effort: rawhide chew for puppyWebSep 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 … rawhide chews bad for dogs

"WebMay 4, 2004 · Basically, tractive effort is an indication of how much friction and inertia the locomotive can overcome and thus the wieght ot train in can pull, which will decrease … " - Horsepower vs tractive effort

Horsepower vs tractive effort

Available Tractive Effort Road Vehicle Performance: Tractive …

WebWhy does a passenger locomotive have a higher top speed compared to freight locomotive of a similar horsepower? This is because both locomotives differ in tr... 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 …

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WebPower Power is the force needed to run a train at a certain speed. To get the Power required to move a train at a certain speed, multiply the Tractive effort to move the train with the … 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.

WebOn the train specs power is horsepower(hp) hp = force x time x distance or simply rate of acceleration. It also implies a top speed. Tractive effort is torque(lb/ft) lb/ft = force x … 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 …

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. 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.

WebInput this speed into the formula, using your maximum horsepower as P. Use 0.85 for your efficiency coefficient. For the F7, that looks like this: T = 2650 0.85 ∗ 1500 14.9669 When …

WebRe: 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. rawhide chandler eventsWebAvailable Tractive Effort Tractive effort determined by: Force of vehicle’s engine Maximum value transferable Maximum Tractive Effort Define the point at which additional engine … simplee fit rollerWebSo 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 … simplee frostedWebRe: 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 … simplee flWebMar 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 rawhide chews for catsWebAug 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 … simplee events wedding and designWebJun 22, 2024 · Tractive effort or tractive force is measured in kilo-Newtons (kN) or pounds force (lbf) where 1 kN = 228.4 lbf. As with “power”, there are different methods of … simple effects spss