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FM 1-506 Fundamentals of Aircraft Power Plants ... - Survival Books

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WWW.SURVIVALEBOOKS.COM<strong>FM</strong> 1-<strong>506</strong>autosyn rotation, in turn, causes the indictor autosyn torotate. This resuks in an indication <strong>of</strong> engine fuel consumption.FUEL FLOW INDICATORThe fuel flow indicator shows fuel flow in pounds (orkilograms) per hour to the fuel nozzles (Figure 9-9). Fuelflow is monitored for in-flight fuel consumption, checkingengine performance, and in-flight cruise control. Therelationship <strong>of</strong> abnormal fuel flow to other instrumentreadings provides one <strong>of</strong> the best indicators for probablecause <strong>of</strong> engine malfunction.FUEL PRESSURE INDICATING SYSTEMA typical fuel pressure indicating system providescontinuous reading <strong>of</strong> fuel pressure (psi) in the main fuelsupply line from boost pumps in the tanks by an electricaltransmitter. The transmitter is connected to a tap on thevalve manifold. All fuel supply lines join the top electrical9-7

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