Spark plug gap: definition and use guide
Spark plug gap refers to the gap between the spark plug center electrode and the grounding electrode. The gap spacing of general spark plugs is between 0.6 and 1.3 mm. …
Author: Hm Geng
The two stroke engine
The two stroke internal combustion engine is an engine which completes a working cycle in two strokes. The crankshaft rotates one circle, and the two stroke engine outputs external kinetic …
The four stroke engine
The four strokes of a four-stroke engine refer to intake, compression, combustion, and exhaust. It was first proposed by Nikolaus Otto in 1876 and is also known as the Otto …
Used diesel engine quick check
Recently, readers contacted Hm Geng to inquire about how to check used diesel engines when purchasing used diesel engines, and what should be noted. Here are something to be aware …
Internal combustion engine efficiency’s 28 influencing factors and improving methods
When talking about internal combustion engine efficiency, First, make sure it’s a diesel engine or a gasoline engine. Usually, the thermal efficiency of diesel engine is higher than that of gasoline …
History of the internal combustion engine
History of the internal combustion engine is described in detail by Wikipedia. You can find it here.