Definitions for "Lbf"
Keywords:  thrust, pounds, lbm, slug, newton
Pounds force (engine thrust rating)
Pounds-force. In the English measurement system, the unit of force as opposed to pounds-mass, lbm, the unit of mass. It corresponds to the Newton (N) in the SI system. The English Gravitational System uses the slug as the primary unit of mass.
Pounds of thrust
Keywords:  lee, bird, field
Lee Bird Field