courses:201a:adm
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courses:201a:adm [2018/02/20 18:14] evan |
courses:201a:adm [2018/04/16 21:35] (current) evan |
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| - | ===== AF 201A Unit 27 Orientation Lesson 9 - Performance/WandB/ADM ===== | + | ====== AF 201A Unit 27 Orientation Lesson 9 - Performance/WandB/ADM ====== |
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| ===== Weight and Balance Computations ===== | ===== Weight and Balance Computations ===== | ||
| + | |||
| + | Weight X Arm = Moment | ||
| + | |||
| + | AvGas 6lb/gal | ||
| + | |||
| + | Empty weight of an aircraft (unusable fuel, undrainable oil) | ||
| ===== Effect of Weight and C.G. on Aircraft Performance/Flight Char. ===== | ===== Effect of Weight and C.G. on Aircraft Performance/Flight Char. ===== | ||
| + | |||
| + | * Overloaded aircraft | ||
| + | * The aircraft needs a higher takeoff speed, which results in a longer takeoff run. | ||
| + | * Both the rate and angle of climb are reduced. | ||
| + | * The service ceiling is lowered. | ||
| + | * The cruising speed is reduced. | ||
| + | * The cruising range is shortened. | ||
| + | * Maneuverability is decreased. | ||
| + | * A longer landing roll is required because the landing speed is higher. | ||
| + | * Excessive loads are imposed on the structure, especially the landing gear. | ||
| + | |||
| + | Aft CG | ||
| + | * Higher cruise speed | ||
| + | * Less stability in pitch | ||
| + | * Difficult to recover from stall | ||
| + | * Shorter takeoff roll | ||
| + | |||
| + | Forward CG | ||
| + | * Longer takeoff roll | ||
| + | * Longer landing roll | ||
| + | * Slower cruise speed | ||
| + | * Difficult or impossible to land on main gear (insufficient elevator authority) | ||
| ==== Overloaded Aircraft ==== | ==== Overloaded Aircraft ==== | ||
courses/201a/adm.1519150488.txt.gz · Last modified: 2018/02/20 18:14 by evan
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