Mechanical engineering term that refers to the amount of traction.
"Continuous traction" redirects here. For the vehicle propulsion system, see Continuous track.
This article is about applications in vehicles. For the general concept, see Traction (engineering).
In railway engineering, the term tractive effort describes the pulling or pushing capability of a locomotive. The published tractive force value for any vehicle may be theoretical—that is, calculated from known or implied mechanical properties—or obtained via testing under controlled conditions. The discussion herein covers the term's usage in mechanical applications in which the final stage of the power transmission system is one or more wheels in frictional contact with a railroad track.
railway engineering, the term tractiveeffort describes the pulling or pushing capability of a locomotive. The published tractive force value for any vehicle...
booster tractiveeffort could be made with the following formula: t = c d 2 s p r w , {\displaystyle t={\frac {cd^{2}spr}{w}},} where t is tractiveeffort in...
Boy, which weighed 540 long tons (550 t; 600 short tons) and had a tractiveeffort of 135,375 pounds-force (602,180 newtons). Beginning in the early 1900s...
100 kg) extra weight to increase tractiveeffort. These same units were also modified in 2006-2007 with a "high tractiveeffort" software upgrade and redesignated...
the most powerful operational steam locomotive in the world, with a tractiveeffort of 114,000 pounds-force (507.10 kN), well above Union Pacific 3985...
engine itself); and power, which may be in terms of raw horsepower, tractiveeffort, available power at axles (shaft horsepower) or, in the case of steam...
Section 1.1 - General Calculations - Determination of the Target Power & TractiveEffort-Speed Characteristics Section 1.2 - General Calculations - Determination...
gear ratios). Drawbar pull is the difference between tractiveeffort available and tractiveeffort required to overcome resistance at a specified speed...
"Improved Y5/Y6 class"). These locomotives developed 152,206 pounds of tractiveeffort when built, with later modifications bringing them closer to 170,000...
is an engineering vehicle specifically designed to deliver a high tractiveeffort (or torque) at slow speeds, for the purposes of hauling a trailer or...
speed of the P40DC. Tractiveeffort is rated at 280.25 kN (63,000 lbf) of starting effort and 169 kN (38,000 lbf) of continuous effort at 38 mph (61 km/h)...
151; with the new digitally controlled anti wheel-slip control the tractiveeffort should be brought to bear more reliably: nonetheless, some engine drivers...
between 1942 and 1944. The J1 had over 95,000 pounds-force (422.6 kN) of tractiveeffort, plus an additional 15,000 lbf (66.7 kN) if the booster engine was...
increased the tractiveeffort to around 38,165 lbf (169,770 N), slightly below the figure required by Pole. As a means of increasing the tractiveeffort to bring...
largest tractiveeffort for any locomotives up to the mid-1910s. The Union Pacific Big Boy, built in the 1940s, did not exceed the tractiveeffort of the...
Walschaerts valve gear and piston valves, and developed a starting tractiveeffort of 54,675 lbf (243.21 kN). During the New York World’s Fair of 1939-40...
They are capable of generating 109,000 lbf (480 kN) of continuous tractiveeffort.[page needed] From Late-2001, the SD70M was produced with SD45-style...
their role, being relatively low-powered but with a high starting tractiveeffort for getting heavy cars rolling quickly. Switchers are geared to produce...
it also had the heaviest tender (451,840 lb / 205 tonnes), highest tractiveeffort (76,403 lbf (339.86 kN)) of a passenger steam engine when built and...
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