var today = new Date() // Lateral unbalance will occur if the fuel load is mismanaged by supplying the engine(s) unevenly from tanks on one side of the airplane. For each item of weight existing to the left of the fuselage centerline, there is an equal weight existing at a corresponding location on the right. Operating an airplane above the maximum weight limitation compromises the structural integrity of the airplane and adversely affects its performance.
The pilot should realize that if the CG of an airplane is displaced too far forward on the longitudinal axis, a nose-heavy condition will result. Conditions that affect takeoff and climb performance such as high elevations, high temperatures, and high humidity (high-density altitudes) may require a reduction in weight before flight is attempted. In many modern airplanes, it is not possible to fill all seats, baggage compartments, and fuel tanks, and still remain within the approved weight and balance limits. The center of gravity is not necessarily a fixed point; its location depends on the distribution of weight in the airplane. However, this places the airplane controls in an out-of-streamline condition, increases drag, and results in decreased operating efficiency.
Step 4 - To determine the CG, divide the total moment by the total weight.
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, weight (something) against (someone or something). Placement of baggage and cargo items determines the CG location. As variable load items are shifted or expended, there is a resultant shift in CG location.
document.write(year) // The weight of the airplane can be changed by altering the fuel load. Also, fuel burn can affect the CG based on the location of the fuel tanks. The computational method involves the application of basic math functions.
The assignment of seats to passengers can also be used as a means of obtaining a favorable balance. Other airplanes can be loaded in such a manner that they will be out of CG limits even though the useful load has not been exceeded. Figure 9 is a sample of weight and balance computation using an airplane with a zero fuel weight. The actual location of the CG can be altered by many variable factors and is usually controlled by the pilot. Continue searching. copyrightDate(); // Didn't find something you're looking for? To illustrate, assume a weight of 50 pounds is placed on the board at a station or point 100 inches from the datum. Basic principles of weight and balance computations. The weight and balance information falls under "operating limitations" and is a required document in determining legal airworthiness, Weight and balance is measured against a reference datum which is an imaginary vertical plane from which all horizontal distances are measured (firewall, leading edge, etc.) Weight and Balance Basics Aircraft performance and handling characteristics can be significantly affected by weight and center of gravity limits.
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