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Monday, February 27, 2012

Controls and instrumentation - Fuel flow

want to read about : Controls and instrumentation - Fuel temperature and pressure

Fuel flow

Fig. 12-10 Fuel flow transmitter andindicator.
43. Although the amount of fuel consumed during a given flight may vary slightly between engines of the same type, fuel flow does provide a useful indication of the satisfactory operation of the engine and of the amount of fuel being consumed during the flight. A typical system consists of a fuel flow transmitter, which is fitted into the low pressure fuel system, and an indicator, which shows the rate of fuel flow and the total fuel used in gallons, pounds or kilogrammes per hour (fig. 12-10). The transmitter measures the fuel flow electrically and an associated electronic unit gives a signal to the indicator proportional to the fuel flow.

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