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safety factor[′sāf·tē ‚fak·tər]
The amount of load, above the normal operating rating, that a device can handle without failure.
Increase in range or elevation that must be set on a gun so that friendly troops, over whose heads fire is to be delivered, will not be endangered.
Overload factor in design to ensure safe operation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
factor of safety, safety factor
1. The ratio of the ultimate stress of a structure or pressure vessel to the design working stress.
2. The ratio of the ultimate breaking strength of a member or piece of material or equipment to the actual working stress or safe load when in use.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
The ratio of the maximum load a structure is designed to withstand to the maximum load it will be subjected to during a normal operating regime.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved