- Industry: Government
- Number of terms: 35337
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An imaginary line, passing through a propeller blade, joining the leading and trailing edges.
Industry:Aviation
An indicator light used when timing magnetos to an engine to indicate when the breaker points open. Some timing lights incorporate an oscillator or buzzer that changes its pitch when the points open.
Industry:Aviation
An indicator that shows the value of the parameter being measured by a number marked on a graduated dial aligned with a movable pointer.
Industry:Aviation
An in-line or V-engine in which the cylinders are mounted below the crankshaft.
Industry:Aviation
An instrument that measures electrical current in units of thousandths of an ampere.
Industry:Aviation
An instrument used to measure the amount of horsepower an engine is delivering to its output shaft. The engine is operated at a specific rpm, and a brake is applied to its output shaft. The amount of torque applied to the brake is measured, and this, with the rpm, is converted into brake horsepower.
Industry:Aviation
An instrument used to measure the viscosity of a liquid. The time required for a given volume of liquid at a specified temperature to flow through a calibrated orifice is used to indicate the viscosity of the liquid.
Industry:Aviation
An intake valve opened by low pressure created inside the cylinder as the piston moves down. There is no mechanical means of opening it.
Industry:Aviation
An internal combustion engine that burns its fuel in a constant-pressure cycle and uses the expansion of the air to drive a turbine which, in turn, rotates a compressor. Energy beyond that needed to rotate the compressor is used to produce torque or thrust.
Industry:Aviation
