- Industry: Government
- Number of terms: 35337
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A time of controlled operation of a new or freshly overhauled engine that allows the moving parts to wear together.
Industry:Aviation
A time period specified by the manufacturer of an aircraft engine as the maximum length of time an engine should be operated between overhauls without normal wear causing parts of the engine to be worn beyond safe limits. TBO depends upon proper operation and maintenance in accordance with the engine manufacturer’s recommendations. The overhaul of an engine when it reaches its TBO hours is not mandatory, except for certain commercial operators that have the requirement written into their operations manual.
Industry:Aviation
A timing coupling used with basemounted magnetos. The vernier coupling allows the timing to be adjusted in increments of considerably less than one degree.
Industry:Aviation
A trail of carbon deposited by an arc across a high-voltage component such as a distributor block. Carbon tracks have a relatively low resistance to the high voltage and can cause misfiring and loss of engine power.
Industry:Aviation
A troubleshooting system installed in many modern jet aircraft. BITE equipment monitors engine and airframe systems, and when a fault is found, isolates it and provides maintenance personnel with a code that identifies the LRU (line replaceable unit) that contains the fault.
Industry:Aviation
A T-shaped handle fitted onto the end of a cable used to engage a simple starter with an overrunning clutch.
Industry:Aviation
A T-shaped valve with a circular head. Poppet valves are used to cover the intake and exhaust openings in the cylinder head of a reciprocating engine. The valves are held closed by one or more coil springs and are opened by a cam lobe or a rocker arm pushing on the end of the valve stem.
Industry:Aviation
A tube in a Garrett TPE331 turboprop powerplant that extends into the propeller pitch control to act as a followup device. It provides movement of the propeller blades in proportion to movement of the power lever.
Industry:Aviation
A turbine driven by exhaust gases from several cylinders of a reciprocating engine. Energy extracted from exhaust gases by the turbine is coupled, through a fluid clutch, to the engine crankshaft.
Industry:Aviation
A turbine driven by forces produced by the velocity, rather than the pressure, of gases flowing through the vanes.
Industry:Aviation
