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MCA-Jet was a simpler system that sent the same air/fuel mixture to all intake and MCA-Jet valves. Each MCA-Jet valve is quite small and may be prone to carbon build-up, causing the MCA-Jet valve(s) to stick open. If a Mitsubishi-designed engine has low compression, the MCA-Jet valve(s) could be the cause. Each MCA-Jet valve and valve seat are ...
The rocker arms for the intake valve were widened on the valve end to accommodate the cartridge, which was equipped with a very soft valve spring in order to avoid wear on the camshaft intake lobe. Modifications to the head were thereby reduced as the Jet Valve negated the necessity for a three-valve-per-cylinder design.
engineering Bill of Material EBU engine build-up EC engineering control (also E/C) ECAM electronic centralised aircraft monitor ECET end of civil evening twilight: ECR Engineering Change Request ECS Environmental control system ECU Engine Control Unit (=EEC) EDR engineering data record EDTO extended diversion time operations: EEC
power engineering That part of electrical engineering that deals with the generation, distribution and consumption of electrical power. power-factor correction Apparatus intended to bring the power factor of some load closer to 1. power factor The ratio of apparent power flowing to a load divided by the real power. power-flow study
EWMP – earthworks/electrical works/excavation works management plan; EWR – end-of-well report; EXL – or XL, exploration licence (United Kingdom), a type of onshore licence issued between the first onshore licensing round (1986) and the sixth (1992) EXP – exposed; EZSV – easy sliding valve (drillable packer plug)
An HMU is still required because electrical actuators (torque motors or stepper motors) are needed to convert the digital signals from the FADEC into fuel flow changes. The HMU has to implement the following: the variable restriction (called the fuel metering valve FMV) and the pressure drop across it (by using a bypass valve between the high ...
Single-stage servo valves suffer from limitations in flow capability and stability due to torque motor power requirements. Two-stage servo valves may use flapper, jet pipe, or deflector jet valves as hydraulic amplifier first stages to position a second-stage spool valve.
Those with the later, cleaner yet, "MCA-Jet" system were called G32B. Later, the G32B also came in a fuel injected , turbocharged model. For competition, a version of the 4G32 engine was made with a DOHC eight-valve cylinder head, and fitted with two twin-choke 40 mm (1.6 in) Solex sidedraft carburettors.