Posted inBasics
Control modes for fuel control
The engine control system is responsible for controlling fuel and ignition for all possible engine…
Posted inBasics
Digital engine control features
The primary purpose of the electronic engine control system is to regulate the mixture (i.e.,…
Posted inBasics
Digital engine control
A typical engine control system incorporates a microprocessor and is essentially a special-purpose computer (or…
Posted inBasics
Digital engine control systems
Traditionally, the term powertrain has been thought to include the engine, transmission, differential, and drive…
Posted inBasics
Compression-ratio
In an engine cylinder, the gas molecules are moving about at considerable speed in the…
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Engine cylinder capacity
Engine sizes are compared on the basis of total cylinder swept volume, which is known…
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Engine power
Power is the rate of doing work. When applied to engines, power ratings may be…
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Engine torque
This is the turning-effort about the crankshaft’s axis of rotation and is equal to the…
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Engine-performance terminology
To enable intelligent comparisons to be made between different engines’ ability to pull or operate…
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Crankcase disc-valve and reed-valve inlet charge control
An alternative to the piston-operated crankcase inlet port is to use a disc-valve attached to…