important of which are the duration of the overspeed and the speed attained. With some engines, a momentary overspeed can result in greatly reduced engine life...

propellers to overspeed and leading to a complete loss of engine power. A 'beta lockout' mechanism that would have prevented the overspeed even in case...

inoperative. VMO Maximum operating limit speed. Exceeding VMO may trigger an overspeed alarm. VMU Minimum unstick speed. VNE Never exceed speed. In a helicopter...

High-speed airflow through the improperly configured props caused them to overspeed and drive the engines, which caused engine damage and a total loss of...

experienced an overspeed on the Romance less than six months before its loss, that an overspeed was a likely cause of the crash. The overspeed theory calls...

the signal is clear, the loops will de-energise. The first pair, the Overspeed Sensor System (OSS), is sited at a position determined by line speed and...

beyond the overspeed value, the aircraft was equipped with a device called the overspeed governor (OSG). The protection system of the overspeed governor...

This article was originally based on material from TGVweb, which is licensed under the GFDL. Transmission Voie-Machine (TVM, English: track-to-train transmission)...

The turboprop system consists of 3 propeller governors, a governor, and overspeed governor, and a fuel-topping governor. The governor works in much the...

more at risk than a single-shaft turboprop. It could suffer a turbine overspeed to destruction after losing its connection to the propeller load. (In...