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What EGT 737?
This is a differential pressure and cabin altitude indicator. The outer dial indicates the difference in pressure between the inside of the cabin and the outside in psi. During takeoff and landing, it must not be larger than 0.125 psi, as the note below the instrument says.
What does an EGT indicator measure?
The EGT is the temperature of the gas turbine engine’s exhaust in degrees and indicates the performance status of the gas turbine engine’s design. High EGT values result in further deterioration and wear in the engines.
What does exhaust temp gauge do?
An exhaust gas temperature gauge (EGT gauge or EGT sensor) is a meter used to monitor the exhaust gas temperature of an internal combustion engine in conjunction with a thermocouple-type pyrometer. By monitoring EGT, the driver or pilot can get an idea of the vehicle’s air-fuel ratio (AFR).
What EGT is too high?
For towing, we’d say a sustained 1,200 to 1,300 degrees is a safe number, with occasional spikes of up to 1,500 degrees when climbing grades being an acceptable risk. The concept of EGT is analogous to putting something in the oven. You can put your hand in a hot oven for a second or two, and nothing will happen.
What causes high EGT in a diesel?
The richer the air/fuel ratio in a diesel, the higher the EGT will be. Two things can create a rich mixture under heavy loads or at full throttle: the first is too much fuel, and the second is not enough air.
Where is the EGT sensor located?
The exhaust gas temperature sensor (EGTS), which is located in front of Diesel Oxidation Catalyst (DOC) and/or in front of Diesel Particulate Filter (DPF), detects exhaust gas temperature and converts it into a voltage and feedback engine ECU with the voltage signal in order to control engine condition to effectively …
Does more boost lower EGT?
lowering fuel and increasing boost would get your egts down. Your essentially adding more air. But as you know when you increase your boost your compressed air temp increases.
With increased navigational accuracy available and hardware/software improvements on the 737, many new types of approaches have been developed. Cat IIIb, LNAV/VNAV, RNAV (GPS), RNAV (RNP), IAN, GLS.
How big are the flight instruments on a 737 MAX?
All of the information, photographs & schematics from this website and much more is now available in a 374 page printed book or in electronic format. The main changes to the MAX flight instruments are the new four 15.1 inch LCD cockpit display screens in landscape orientation.
How does the engine control system work on a 737?
For each engine, a connecting rod transfers the flight crew’s thrust-lever command to the auto-throttle assembly, where a double-resolver unit sends an electrical thrust command to each EEC channel.
How is reverse thrust selected on a 737?
(When the autothrottle is engaged, servo-motors position both resolvers, back-driving the thrust levers through the connecting rods so that the thrust levers reflect the autothrottle command.) To select reverse thrust after landing, the flight crew lifts the reverse-thrust levers.