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Vehicular metrics

Index Vehicular metrics

There are a broad range of metrics that denote the relative capabilities of various vehicles. [1]

43 relations: Acceleration, Altitude, Automatic transmission, Automobile drag coefficient, Automobile handling, Brake, Brake specific fuel consumption, Braking distance, Delta-v, Economics, Engine power, Fighter aircraft, Foot (unit), Fuel economy in automobiles, G-force, Gross axle weight rating, Ground pressure, Jet engine, Kilometres per hour, Lift-to-drag ratio, Metre, Miles per hour, Moment of inertia, Off-road vehicle, Pascal (unit), Pounds per square inch, Power-to-weight ratio, Propulsive efficiency, Rate of climb, Roll center, Rolling resistance, Safety, Second moment of area, Shift time, Specific impulse, Speed, Thrust specific fuel consumption, Traction (engineering), Turning radius, Vehicle, Weight, Weight distribution, 0 to 60 mph.

Acceleration

In physics, acceleration is the rate of change of velocity of an object with respect to time.

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Altitude

Altitude or height (sometimes known as depth) is defined based on the context in which it is used (aviation, geometry, geographical survey, sport, atmospheric pressure, and many more).

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Automatic transmission

An automatic transmission, also called auto, self-shifting transmission, n-speed automatic (where n is its number of forward gear ratios), or AT, is a type of motor vehicle transmission that can automatically change gear ratios as the vehicle moves, freeing the driver from having to shift gears manually.

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Automobile drag coefficient

The drag coefficient is a common measure in automotive design as it pertains to aerodynamics.

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Automobile handling

Automobile handling and vehicle handling are descriptions of the way a wheeled vehicle responds and reacts to the inputs of a driver, as well as how it moves along a track or road.

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Brake

A brake is a mechanical device that inhibits motion by absorbing energy from a moving system.

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Brake specific fuel consumption

Brake specific fuel consumption (BSFC) is a measure of the fuel efficiency of any prime mover that burns fuel and produces rotational, or shaft power.

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Braking distance

Braking distance refers to the distance a vehicle will travel from the point when its brakes are fully applied to when it comes to a complete stop.

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Delta-v

Delta-v (literally "change in velocity"), symbolised as ∆v and pronounced delta-vee, as used in spacecraft flight dynamics, is a measure of the impulse that is needed to perform a maneuver such as launch from, or landing on a planet or moon, or in-space orbital maneuver.

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Economics

Economics is the social science that studies the production, distribution, and consumption of goods and services.

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Engine power

Engine power or horsepower is the maximum power that an engine can put out.

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Fighter aircraft

A fighter aircraft is a military aircraft designed primarily for air-to-air combat against other aircraft, as opposed to bombers and attack aircraft, whose main mission is to attack ground targets.

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Foot (unit)

The foot (feet; abbreviation: ft; symbol: ′, the prime symbol) is a unit of length in the imperial and US customary systems of measurement.

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Fuel economy in automobiles

The fuel economy of an automobile is the relationship between the distance traveled and the amount of fuel consumed by the vehicle.

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G-force

The gravitational force, or more commonly, g-force, is a measurement of the type of acceleration that causes a perception of weight.

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Gross axle weight rating

The gross axle weight rating (GAWR) is the maximum distributed weight that may be supported by an axle of a road vehicle.

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Ground pressure

Ground pressure is the pressure exerted on the ground by the tires or tracks of a motorized vehicle, and is one measure of its potential mobility, especially over soft ground.

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Jet engine

A jet engine is a type of reaction engine discharging a fast-moving jet that generates thrust by jet propulsion.

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Kilometres per hour

The kilometre per hour (American English: kilometer per hour) is a unit of speed, expressing the number of kilometres travelled in one hour.

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Lift-to-drag ratio

In aerodynamics, the lift-to-drag ratio, or L/D ratio, is the amount of lift generated by a wing or vehicle, divided by the aerodynamic drag it creates by moving through the air.

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Metre

The metre (British spelling and BIPM spelling) or meter (American spelling) (from the French unit mètre, from the Greek noun μέτρον, "measure") is the base unit of length in some metric systems, including the International System of Units (SI).

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Miles per hour

Miles per hour (abbreviated mph, MPH or mi/h) is an imperial and United States customary unit of speed expressing the number of statute miles covered in one hour.

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Moment of inertia

The moment of inertia, otherwise known as the angular mass or rotational inertia, of a rigid body is a tensor that determines the torque needed for a desired angular acceleration about a rotational axis; similar to how mass determines the force needed for a desired acceleration.

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Off-road vehicle

An off-road vehicle is considered to be any type of vehicle which is capable of driving on and off paved or gravel surface.

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Pascal (unit)

The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength.

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Pounds per square inch

The pound per square inch or, more accurately, pound-force per square inch (symbol: lbf/in2; abbreviation: psi) is a unit of pressure or of stress based on avoirdupois units.

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Power-to-weight ratio

Power-to-weight ratio (or specific power or power-to-mass ratio) is a calculation commonly applied to engines and mobile power sources to enable the comparison of one unit or design to another.

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Propulsive efficiency

In aircraft and rocket design, overall propulsive efficiency \eta is the efficiency with which the energy contained in a vehicle's propellant is converted into kinetic energy of the vehicle, to accelerate it, or to replace losses due to aerodynamic drag or gravity.

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Rate of climb

In aeronautics, the rate of climb (RoC) is an aircraft's vertical speed – the rate of positive altitude change with respect to time or distance.

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Roll center

The roll center of a vehicle is the notional point at which the cornering forces in the suspension are reacted to the vehicle body.

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Rolling resistance

Rolling resistance, sometimes called rolling friction or rolling drag, is the force resisting the motion when a body (such as a ball, tire, or wheel) rolls on a surface.

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Safety

Safety is the state of being "safe" (from French sauf), the condition of being protected from harm or other non-desirable outcomes.

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Second moment of area

The 2nd moment of area, also known as moment of inertia of plane area, area moment of inertia, or second area moment, is a geometrical property of an area which reflects how its points are distributed with regard to an arbitrary axis.

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Shift time

Shift time refers to the time interval between gear changes in a transmission during which power delivery is interrupted.

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Specific impulse

Specific impulse (usually abbreviated Isp) is a measure of how effectively a rocket uses propellant or jet engine uses fuel.

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Speed

In everyday use and in kinematics, the speed of an object is the magnitude of its velocity (the rate of change of its position); it is thus a scalar quantity.

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Thrust specific fuel consumption

Thrust-specific fuel consumption (TSFC) is the fuel efficiency of an engine design with respect to thrust output.

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Traction (engineering)

Traction, or tractive force, is the force used to generate motion between a body and a tangential surface, through the use of dry friction, though the use of shear force of the surface is also commonly used.

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Turning radius

The turning radius or turning circle of a vehicle is the radius (or, depending on usage, diameter) of the smallest circular turn (i.e. U-turn) that the vehicle is capable of making.

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Vehicle

A vehicle (from vehiculum) is a machine that transports people or cargo.

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Weight

In science and engineering, the weight of an object is related to the amount of force acting on the object, either due to gravity or to a reaction force that holds it in place.

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Weight distribution

Weight distribution is the apportioning of weight within a vehicle, especially cars, airplanes, and trains.

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0 to 60 mph

The time it takes to accelerate from 0 to 60 mph (0 to 97 km/h or 0 to 27 m/s) is a commonly used performance measure for automotive acceleration in the United States and the United Kingdom.

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Vehicle metrics.

References

[1] https://en.wikipedia.org/wiki/Vehicular_metrics

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