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  • Chapter 4: Small Unmanned Aircraft Loading › Load Factors › Load Factors in Steep Turns

    aircraft, the advantageous use of these forces, and the operating limitations of the aircraft being flown. For example, a load factor of 3 means the total load on an aircraft’s structure is three times its weight. Since load factors ... expressed in terms of Gs, a load factor of 3 may be spoken of as 3 Gs, or a load factor of 4 as 4 Gs. With the structural design of aircraft planned to withstand only a certain amount…

  • Chapter 11: Aircraft Performance › Performance › Climb Performance Factors

    aircraft is unable to climb at a rate greater than 100 feet per minute (fpm). Usually, these specific performance reference points are provided for the aircraft at a specific design configuration. [Figure 11-10] The terms “power loading,” “wing loading ... blade loading,” and “disk loading” are commonly used in reference to performance. Power loading is expressed in pounds per horsepower and is obtained by dividing the total weight of the aircraft by the rated horsepower of the engine…

  • Chapter 4: Small Unmanned Aircraft Loading › Load Factors › Load Factors and Stalling Speeds

    Figure 4-1. Two forces cause load factor during turns. It should be noted how rapidly the line denoting load factor rises as it approaches the 90° bank line, which it never quite reaches because a 90° banked, constant altitude ... banked slipping turn is capable of straight knife-edged flight. At slightly more than 80°, the load factor exceeds the limit of 6 Gs, the limit load factor of an acrobatic aircraft. Load Factors and Stalling Speeds Figure…

  • Chapter 3b: Effects of Weather on Small Unmanned Aircraft Performance › Performance › Climb Performance Factors

    Performance Performance is a term used to describe the ability of an aircraft to accomplish certain things that make it useful for certain purposes. The primary factors most affected by performance are the takeoff and landing distance, rate of climb ... ceiling, payload, range, speed, maneuverability, stability, and fuel economy. Climb Performance Factors Since weight, altitude and configuration changes affect excess thrust and power, they also affect climb performance. Climb performance is directly dependent upon the ability to produce either excess…

  • Chapter 5: Aerodynamics of Flight › Load Factors › Load Factors in Steep Turns

    Load Factors in Steep Turns At a constant altitude, during a coordinated turn in any aircraft, the load factor is the result of two forces: centrifugal force and weight. [Figure 5-52] For any given bank angle, the ROT varies ... with the airspeed—the higher the speed, the slower the ROT. This compensates for added centrifugal force, allowing the load factor to remain the same. Figure 5-52. Two forces cause load factor during turns. Figure 5-53 reveals…

  • Chapter 5: Aerodynamics of Flight › Load Factors › Rough Air

    speed to the design maneuvering speed. Regardless of the speed held, there may be gusts that can produce loads that exceed the load limits. Each specific aircraft is designed with a specific G loading that can be imposed ... aircraft without causing structural damage. There are two types of load factors factored into aircraft design: limit load and ultimate load. The limit load is a force applied to an aircraft that causes a bending of the aircraft structure that…