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Machine used to measure force or mechanical power
A dynamometer or "dyno" is a device for simultaneously measuring the torque and rotational speed (RPM) of an engine, motor or other rotating prime mover
Dynamometer
Roller assembly used for vehicle testing
A chassis dynamometer, informally referred to as a rolling road or a dyno, is a mechanical device that uses one or more fixed roller assemblies to simulate
Chassis_dynamometer
Type of railroad car
A dynamometer car is a railroad maintenance of way car used for measuring various aspects of a locomotive's performance. Measurements include tractive
Dynamometer_car
Force applied by the hand to hold
sensitive to measure individual muscle groups in medicine. For this purpose, dynamometers have been developed that provide more specific information on individual
Grip_strength
The North Eastern Railway Dynamometer Car is a preserved railway dynamometer car. Built in 1906 by the North Eastern Railway (NER) at Darlington Works
NER_Dynamometer_Car
A machine-tool dynamometer is a multi-component dynamometer that is used to measure forces during the use of the machine tool. Empirical calculations of
Machine-tool_dynamometer
UK engineering company
on the back of William Froude's patent for inventing the water brake dynamometer, their most famous creation was the 518-foot (158 m)-high Blackpool Tower
Heenan_&_Froude
Unit of power
in 2009.[failed verification] In 2023 a group of engineers modified a dynamometer to be able to measure how much power a horse can produce. This horse
Horsepower
Draft horse competition
during competitions. A starting load of 1500 pounds is set into the dynamometer or loaded onto a stone-boat, a weight that most teams are expected to
Horse_pulling
Series of V8 engines built by Chrysler
5000 rpm SAE gross and 490 lb⋅ft (664 N⋅m) at 4000 rpm of torque. In actual dynamometer testing, it produced 433.5 hp (323 kW; 440 PS) and 472 lb⋅ft (640 N⋅m)
Chrysler_Hemi_engine
Device used to slow or stop a moving object by generating eddy currents
chassis dynamometers, where their inherently high-inertia steel rotors are an asset rather than a liability. Conversely, performance engine dynamometers tend
Eddy_current_brake
Timing of the release of a spark in a combustion engine
Setting the ignition timing while monitoring engine power output with a dynamometer is one way to correctly set the ignition timing. After advancing or retarding
Ignition_timing
British Railways design trials
British Railways. To record the locomotive performances, one of three dynamometer cars were included in the train directly behind the locomotive (with
1948 Locomotive Exchange Trials
1948_Locomotive_Exchange_Trials
American city driving fuel economy test series
UDDS stands for Urban Dynamometer Driving Schedule, and refers to a driving cycle which represents city driving conditions. The UDDS is used by the United
UDDS
French pistol maker (1751–1825)
known to the public in 1798 and became known as Régnier's dynamometer. Régnier's dynamometer was one of a series of innovations related to public safety
Edmé_Régnier_L'Aîné
American passenger car fuel economy test series
measure tailpipe emissions and fuel economy of passenger cars on a vehicle dynamometer. The US06 is part of the "Supplemental Federal Test Procedure" (SFTP)
US06
Preserved British steam locomotive
Essendine stations. Mallard hauled a seven-coach train, including a dynamometer car with apparatus to record the speed. The previous record of 124.5 mph
LNER_Class_A4_4468_Mallard
Bleed screw Brake tester Breaker bar Car lift Car ramp Chassis dynamometer Creeper Dynamometer Engine cart Engine crane Engine stand Feeler gauge Funnel Grease
List_of_tools_and_equipment
Static contraction exercises
exert pressure, additionally to their bodyweight, onto the plate. Dynamometer: A dynamometer is a device which involves two handles being pushed, pulled or
Isometric_exercise
Topics referred to by the same term
Dyno (climbing), a technique used in climbing Dyno – short name for dynamometer – a device for measuring force, torque, or power Dyno, an application
Dyno
Arrangement of braking mechanism
Commons has media related to Dynamometers. Torque converter Rao, Narayan N.N. The Basic Theory of Hydraulic Dynamometers and Retarders. India: SAE paper
Water_brake
Type of simple planetary gear train
published A New Century of Inventions, giving pride of place to his dynamometer (a differential used as a measuring device; see image). 1823: Aza Arnold
Differential (mechanical device)
Differential_(mechanical_device)
Motorsport championship held worldwide
maximum power figures from this period were necessarily estimates; BMW's dynamometer, for example, was only capable of measuring up to 820 kW (1,100 bhp)
Formula_One
Facility used to test engines
particle flow in rocket engines. Air flow meter Driveshaft Driving cycle Dynamometer Electromagnetic brake Article about eddy current dynos Emission standard
Engine_test_stand
Sulfuric Acid) (H2SO4) Distilled Water Voltage regulator Ammeter Clinometer Dynamometer Fuel gauge Manometer Hydrometer Odometer (also called milometer or mileometers)
List_of_auto_parts
quantitative assessments of hand muscle strength, dynamometers have been developed. These dynamometer measurements are more sensitive to change compared
Hand_strength
Concept in automotive engineering
determined by measuring the amount of available tractive force using a dynamometer, and then combining that data with coastdown data to obtain the available
Drawbar_pull
American highway driving fuel economy test series
Environmental Protection Agency to test light duty vehicles on a chassis dynamometer. The results of the test are used to determine vehicle fuel economy and
HWFET
British steam locomotive class (built 1935)
Kylchap exhaust - pulling six coaches and a dynamometer car, set a world speed record (indicated by the dynamometer) of 126 mph (202.8 km/h). Gresley never
LNER_Class_A4
4-cylinder turbocharged Formula One engine, based on the standard BMW M10
engine produced around 1,400 hp at maximum boost, however the BMW engine dynamometer could not go beyond 1,280 bhp. As BMW M12/7, this engine design became
BMW_M12
Hybrid V12 engine
own was good for 250 hp (186 kW; 253 PS). The engine ran on Cosworth dynamometers within the first four months of beginning the project, so once the first
Cosworth_RA
French physicist
physicist. He conducted experiments in mechanics and invented the Morin dynamometer. He introduced the term coefficient of friction and demonstrated its
Arthur_Morin
French electrical engineer and inventor
rifle 1889 System for transporting plate glass sheets 1890 Universal dynamometer 1890 Electric lighting for horse-drawn carriages 1890 Electric orygmatoscope
Gustave_Trouvé
which the replacement linings are designed is installed in an inertia dynamometer instrumented for continuous recording of rotative speed, brake torque
ECE_Regulation_90
English mathematician, philosopher, and engineer (1791–1871)
locomotives that clears the tracks of obstacles; he also constructed a dynamometer car. His eldest son, Benjamin Herschel Babbage, worked as an engineer
Charles_Babbage
Use of equines in combat
2008. Eastern Draft Horse Association. "History of the draft horse dynamometer machine". History. Eastern Draft horse Association. Archived from the
Horses_in_warfare
Vehicle emission regulations
a chassis dynamometer-based test; The vehicle is driven so that the wheels of its main driven axle (front or rear) sit atop the dynamometer rotors, when
United States vehicle emission standards
United_States_vehicle_emission_standards
Touring car racing category in Australasia
Mustang and KRE Race Engines for the Camaro. Each engine is tested on a dynamometer before delivery to ensure the power and torque characteristics are to
Supercars_Championship
Executive car
and 590 lb-ft/800 Nm torque, although there is significant real-world dynamometer testing indicating this model exceeds 600 HP/608 PS power at the engine's
Mercedes-Benz_E-Class
Driving cycle standard
Automotive Test Cycle Part 1: Light Vehicles", which defines two chassis dynamometer driving cycles, one for passenger cars and another for light commercial
China Light-Duty Vehicle Test Cycle
China_Light-Duty_Vehicle_Test_Cycle
American drag racer (1927–2006)
nicknamed "Dyno Don" after he was one of the first drivers to use a chassis dynamometer on his cars in the late 1950s, a skill that he learned while working
Don_Nicholson
Railway locomotive powered by a steam engine
calculations and formulas were applied, but in general railways used dynamometer cars to measure tractive force at speed in actual road testing. British
Steam_locomotive
Articulated locomotive wheel arrangement
dynamometer car is not known. The calculated starting tractive effort was only 110,200 lbf (490.2 kN), but no one has published a higher dynamometer horsepower
2-6-6-6
Distance traveled by a vehicle compared to volume of fuel consumed
about 6,000 km before testing. The vehicle is then mounted on a chassis dynamometer programmed to take into account the aerodynamic efficiency, weight and
Fuel_economy_in_automobiles
Motorcycle made by BSA from 1938 to 1963
modifications available, each motorcycle came from the factory with documented dynamometer test results, allowing the new owner to see the horsepower (bhp) produced
BSA_Gold_Star
British engineer and naval architect
invented and built the world's first water brake dynamometer, sometimes known as the hydraulic dynamometer. While on holiday as an official guest of the
William_Froude
British breed of horse
not be determined as their pull exceeded the maximum reading on the dynamometer. Working in slippery footing, the same pair of horses pulled 18.5 tonnes
Shire_horse
Method of reducing turbo lag on performance cars
efficiency. Mercedes reported exceeding 50% thermal efficiency on the dynamometer in 2017, up from 44% in 2014. Markus, Frank (9 September 2024). "What
Antilag_system
American V-8 car engine
both the L72 and L71. In 2011, Super Chevy Magazine conducted a chassis dynamometer test of a well documented, production-line, stock but well-tuned L-72
Chevrolet_big-block_engine
Electric convertible sports car (2008–2012)
was never officially rated by the EPA in MPGe. In August 2007, Tesla dynamometer testing of a validation prototype on the EPA combined cycle yielded a
Tesla Roadster (first generation)
Tesla_Roadster_(first_generation)
American passenger car fuel economy test series
measure tailpipe emissions and fuel economy of passenger cars on a vehicle dynamometer. The SC03 is part of the "Supplemental Federal Test Procedure" (SFTP)
SC03
Mechanical component for transmitting torque and rotation
transfer a certain speed or torque from the internal combustion engine to a dynamometer. A "shaft guard" is used at a shaft connection to protect against contact
Drive_shaft
Driving technique
completely customizable, allowing players to recreate engines from real world dynamometer data as well as suspension geometry. This results in an extremely realistic
Drifting_(motorsport)
German rocket engineer (1906–1996)
Rocket vehicle on dynamometer at Heylandt
Arthur_Rudolph
dynam(o)- force, energy, power Greek δύναμις (dúnamis) hand strength dynamometer, dynamics -dynia pain Greek ὀδύνη (odúnē) vulvodynia dys- bad, difficult
List of medical roots and affixes
List_of_medical_roots_and_affixes
Technical standard for motor vehicles (WLTP)
The test procedure provides strict guidance regarding conditions of dynamometer tests and road load (motion resistance), gear shifting, total car weight
Worldwide Harmonised Light Vehicles Test Procedure
Worldwide_Harmonised_Light_Vehicles_Test_Procedure
tested under load – essentially, a locomotive version of the chassis dynamometer. Under his supervision, the PRR designed and produced many noteworthy
Axel_Vogt
Vehicle designed by Buckminster Fuller
Fuller formed Dymaxion Corporation, set up a workshop in the former dynamometer building of the defunct Locomobile Company at Tongue Point, on the west
Dymaxion_car
Motorsport involving the racing of cars for competition
many racing-sanctioning bodies. Engines are tuned on a machine called a dynamometer, which is commonly known in the racing world as a DYNO. The car is driven
Auto_racing
Class of 60 American 2-6-6-6 locomotives
horsepower output occurred between 40 and 50 mph (64 and 80 km/h), with dynamometer car readings ranging from 6,500 to 7,500 hp (4.8 to 5.6 MW). At this
Chesapeake_and_Ohio_class_H-8
Extra cylinders on a steam locomotive
Darryl E (28 March 2023). "Class T-2a 5210". Retrieved 28 March 2023. "Dynamometer Tests of the Locomotive Booster". Railway Mechanical Engineer. Vol. 96
Booster_engine
Mechanism with bendable rotation axis
1868 report on the Exposition Universelle of 1867 and an article on the dynamometer translated from French in 1881. In the 20th century, Clarence W. Spicer
Universal_joint
Vehicle with hydrogen internal combustion engine
engines. A 67 ml 4-stroke engine converted to hydrogen and tested with a dynamometer at the best operating point (3000 rpm, 14 NLM (normal liters per minute)
Hydrogen internal combustion engine vehicle
Hydrogen_internal_combustion_engine_vehicle
British electric motor manufacturer
October 2025, YASA announced an updated 12.7 kg prototype that on the dynamometer produced a peak power of 750 kW (1,005 hp) and sustained power of 350-400
YASA_Limited
Monthly British motorcycling magazine
understandably, and memorably). Robinson was key to PB pioneering the use of a dynamometer in the performance testing of motorcycles by a magazine. Performance
Performance_Bikes_(magazine)
American steam turbine locomotive
test run officially arranged by PRR on 30 March 1945, S2 #6200 towing a dynamometer car was able to pull a 17-car train over a distance of 48 kilometers
Pennsylvania Railroad class S2
Pennsylvania_Railroad_class_S2
British engineer and naval architect
company initially produced water brake dynamometers following from his father's design, and later, a range of dynamometers of various types. The Froude name
Robert_Edmund_Froude
AVL 2 axle All Wheel Drive (AWD) chassis dynamometer with 48 inch diameter smooth rolls. The AWD dynamometer can be operated in front wheel drive, rear
Transportation Research Center
Transportation_Research_Center
Automotive research center
and passive safety. It also includes a powertrain laboratory, engine dynamometers, emission laboratory with Euro-V capability, a fatigue laboratory, passive
International Centre for Automotive Technology
International_Centre_for_Automotive_Technology
Reciprocating internal combustion engine
and by the beginning of 1988 the engine was ready. It was put on a dynamometer in January and February 1988. Afterwards, it was installed in a modified
BMW_Goldfisch_V16
American automotive aftermarket company
heads for the Ford flathead. One of the first companies to use an engine dynamometer, Edelbrock moved to a 5,000 sq ft shop in 1949 to develop manifolds,
Edelbrock
Type of motorcycle
(actual rear-wheel horsepower exceeded 80 horsepower as measured on a dynamometer).[citation needed] The CB900F was only offered in the US from 1980 to
Honda_CB1100F
1963 US federal law to control pollution
test. [citation needed] In 1984, EPA began adjusting city (aka Urban Dynamometer Driving Schedule or UDDS) results downward by 10% and highway (aka HighWay
Clean_Air_Act_(United_States)
American Pro Stock Drag Racer
working for Joe Gibbs' NASCAR team in 1998, where he served as Chief Dynamometer Engine Specialist. Competed in first NHRA race in 1985 driving a 1968
Jason_Line
Piston engine with six cylinders in a "V" configuration
in smoother delivery of power to the flywheel. Comparing engines on a dynamometer, a V6 engine shows instantaneous torque peaks of 154% above mean torque
V6_engine
Device for measuring a physical quantity
velocity) For the ranges of frequency see: Orders of magnitude (frequency) Dynamometer Prony brake Torque wrench Ballistic pendulum, indirectly by calculation
List_of_measuring_instruments
Type of motorcycle
maximum torque of 27 N⋅m (20 lbf⋅ft) at 10,000 rpm. Reliable third party dynamometer testing results have not been published. Like the Ninja 300, the Z300
Kawasaki_Z300
American full-size car
rather than the gross horsepower method of past years based upon a dynamometer rating from an engine not installed in a vehicle. With that, the standard
Buick_LeSabre
Type of motorcycle
commuting. The Ninja 300 has a 296 cc (18.1 cu in) straight-twin engine. Dynamometer tests showed that the Ninja 300 produces more power with 39.95 hp (29
Kawasaki_Ninja_300
Railway heritage centre in Derbyshire, England
with a small collection of classic LMS saloons including the famous Dynamometer car, are also stationed here. St. Saviour's Church – moved from Westhouses
Midland_Railway_–_Butterley
Turning force around an axis
car). One can measure the varying torque output over that range with a dynamometer, and show it as a torque curve. Steam engines and electric motors tend
Torque
Trailer braking system using inertia from the towed vehicle
include a dedicated inertia-brake performance check using a rolling dynamometer or pull-test gauge. Overrun brakes are simple, self-contained and require
Overrun_brake
Sports motorcycle manufactured from 1978 to 1982
review at Orange County Raceway, Willow Springs Raceway, and the Webco dynamometer: "The objective - to build the fastest production motorcycle for sale
Honda_CBX
Motor vehicle
spoiler. To test electric vehicle propulsion systems using a special dynamometer called the "Road Load Simulator" (RLS), NASA commissioned construction
Fiberfab_Avenger_GT
Engine in which fuel combusts with an oxidizer
measuring the difference between power measured by an engine dynamometer and a chassis dynamometer. However, this method is primarily useful for measuring
Internal_combustion_engine
American automobile industry executive (1919–1978)
garage with Henry II at the Ford Engineering Laboratory starting in the dynamometer room testing engines. Ford Engineer Lawrence Sheldrick, said that the
Benson_Ford
Motor vehicle
at the factory. According to the marketing, final assembly included dynamometer testing of the engine/transmission, a water spray test to pinpoint body
Lincoln_Versailles
Application of science to law and investigation
galvanoplastic compounds to preserve footprints, ballistics, and the dynamometer, used to determine the degree of force used in breaking and entering
Forensic_science
United States Air Force base near Dayton, Ohio, United States
pages, 1 photo caption page HAER No. OH-79-AG, "Area B, Building 59, Dynamometer Storage Building", 2 photos, 2 data pages, 1 photo caption page HAER
Wright-Patterson Air Force Base
Wright-Patterson_Air_Force_Base
Color
where they were tested for anxiety level, grip strength with a hand dynamometer, and motor precision with the board game Operation. While there were
Baker–Miller_pink
Military turboprop engine
After a two-month delay, the engine first ran on 28 October 2005 using a dynamometer to absorb and measure the power developed by the engine. During subsequent
Europrop_TP400
Class of 38 British 4-6-2 locomotives
greatest British power output to be officially recorded on an attached dynamometer car, achieved in 1939. The Coronation class was represented at the 1948
LMS_Coronation_Class
Japanese motorcycle made beginning 2014
declared the engine response "remarkable for its smoothness"; and their dynamometer tests showed rear wheel horsepower of 66.85 hp (49.85 kW) @ 9,200 rpm
Yamaha_MT-07
American motorcycle manufacturer
An extreme endurance test of the Revolution engine was performed in a dynamometer installation at the Harley-Davidson factory in Milwaukee, simulating
Harley-Davidson
1906–1987 UK automobile and aerospace manufacturer
his own 10 hp experimental design. Testing of the first engine on a dynamometer began on 16 September 1903. The first assembled car was completed by
Rolls-Royce_Limited
Device or tool used for scientific purposes
Caliper, distance Calorimeter, heat DNA sequencer, molecular biology Dynamometer, torque/force Electrometer, electric charge, potential difference Electroscope
Scientific_instrument
Type of motorcycle
70 mph), and measured the FZ8's top speed at 230 km/h (140 mph). They dynamometer tested the rear wheel horsepower at 68.3 kW (91.6 hp) @ 9,900 rpm and
Yamaha_FZ8
Measure of an engine's capacity to do work
performance. Brake mean effective pressure (BMEP) is calculated from measured dynamometer torque. Net indicated mean effective pressure (IMEP) is calculated using
Mean_effective_pressure
American video game developer
the art teams used computer-aided design data to build the cars and dynamometers to test the machines. In 2001, Microsoft released their first video game
Kiki_Wolfkill
Class of 6 three-cylinder 2-8-2 locomotives
2. "Cock o' the North" (PDF), The Engineer, 157: 645, 29 June 1934 "Dynamometer Tests of "Cock o' the North"" (PDF), The Engineer, 158: 16–17, 6 July
LNER_Class_P2
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DYNAMOMETER
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DYNAMOMETER
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