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9 Cards in this Set
- Front
- Back
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What is datum |
Imaginary line from which measurements are taken both fwd or after for balance purposes |
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What is arm? |
Part of aircraft or piece of equipment located from datum |
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What is moment |
-Force which tends to cause rotation it's the weight of an object in pounds -distance of the object from datum in inches |
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How do you find moment ? |
Multiply weight of item in lb by distance from datum In inches Weight × arms=moment |
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What is meant by the arm of in item installed in the aircraft |
Distance in inches of an item between the CG of the item and the datum |
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What is ewcg |
Point at which it balances when it is empty weight condition |
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What is cg |
Point at which nose heavy and tail heavy mounts are equal |
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What is empty weight |
Includes all operating equipment that has a fixed location or is actually installed on the ACFT INCLUDES: -airframe -powerplant -required equipment -optional or special -fixed ballast - residual fuel or oil |
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How do you determine useful load |
Subtract empty weight from maximum allowable gross weight |
