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Aviation
Dealing with vehicles or machines used in flight or propulsion through the air.
14Categories 89331Terms
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Aviation > Powerplant 
propeller slip
Aviation; Aircraft maintenance
The difference between the geometric and effective pitch of a propeller.
poppet valve interference angle
Aviation; Aircraft maintenance
The difference between the valve seat and the valve face angles. Normally, the valve seats are ground with between 0.5º and 1º greater angle than the valve face. This allows the ...
choke of a cylinder
Aviation; Aircraft maintenance
The difference in the bore diameter of a reciprocating engine cylinder in the area of the head and in the center of the barrel.
major overhaul
Aviation; Aircraft maintenance
The disassembly, cleaning, and inspection of an engine and the repair and replacement of all parts that do not meet the manufacturer’s specification.
geometric pitch
Aviation; Aircraft maintenance
The distance a propeller would advance in one revolution if it were rotating in a solid.
stage length
Aviation; Aircraft maintenance
The distance between landing points in airline operation.
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- Aeronautics (18944)
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- Powerplant (618)