Weight distribution is the apportioning of weight within a vehicle, especially cars, airplanes, and trains. Typically, it is written in the form x/y, where x is the percentage of weight in the front, and y is the percentage in the back.
In a vehicle which relies on gravity in some way, weight distribution directly affects a variety of vehicle characteristics, including handling, acceleration, traction, and component life. For this reason weight distribution varies with the vehicle's intended usage. For example, a drag car maximizes traction at the rear axle while countering the reactionary pitch-up torque. It generates this counter-torque by placing a small amount of counterweight at a great distance forward of the rear axle.
In the airline industry, load balancing is used to evenly distribute the weight of passengers, cargo, and fuel throughout an aircraft, so as to keep the aircraft's center of gravity close to its center of pressure to avoid losing pitch control. In military transport aircraft, it is common to have a loadmaster as a part of the crew; their responsibilities include calculating accurate load information for center of gravity calculations, and ensuring cargo is properly secured to prevent its shifting.
In large aircraft and ships, multiple fuel tanks and pumps are often used, so that as fuel is consumed, the remaining fuel can be positioned to keep the vehicle balanced, and to reduce stability problems associated with the free surface effect.
Other articles related to "weight, weight distribution, distribution":
... BMI is based on height and weight only, but the new BVI system automatically measures BMI, waist circumference and waist-hip ratio in addition to highly sophisticated volumetric and body ... the same BMI rating, but who have a different body shape and weight distribution, so that their individual BMI rating may not accurately reflect their own risk ... Whereas the BMI of a person is measured manually by total weight and height, BVI is calculated by using 3D full body data to determine volume or weight distribution ...
... So that weight distribution during tests shall vary little if any, two fuel cells of rubber construction and total capacity of 20 gallons, are located on either side of the "CERV-I ... tanks at any given moment will have virtually no effect on weight distribution ... Braking effort distribution is 57% front and 43% rear to take advantage of the superior braking characteristics of the weight distribution afforded by the rear engine type vehicle ...
... Even weight distribution — The layout of a rear-wheel-drive car is much closer to an even fore-and-aft weight distribution than a front-wheel-drive car, as more of the engine can lie between ... Weight transfer during acceleration — During heavy acceleration, weight is placed on the rear, or driving wheels, which improves traction ... Better handling at the hands of an expert — the more even weight distribution and weight transfer improve the handling of the car ...
... Center of mass Center of percussion Load transfer Mass distribution Roll center Tilt test Weight transfer Body Volume Index ...
Famous quotes containing the words distribution and/or weight:
“The question for the country now is how to secure a more equal distribution of property among the people. There can be no republican institutions with vast masses of property permanently in a few hands, and large masses of voters without property.... Let no man get by inheritance, or by will, more than will produce at four per cent interest an income ... of fifteen thousand dollars] per year, or an estate of five hundred thousand dollars.”
—Rutherford Birchard Hayes (18221893)
“The only thing of weight that can be said against modern honour is that it is directly opposite to religion. The one bids you bear injuries with patience, the other tells you if you dont resent them, you are not fit to live.”
—Bernard Mandeville (16701733)