In a recent post I described the concept of the Overhead Valve Engine (OHV) that was a development of the original Side Valve Engine from pre World War 1. This week is the turn of the Overhead Cam Engine (OHC), again an improvement on the OHV engine. Like much of the automobile technology, OHC’s are not new, they were originally developed nearly 100 years ago by people like … [Read more...]
Overhead Valve Engines
In a recent post I described the Side Valve, sometimes known as an "L-Head", engine which was the first mass produced iteration of the internal combustion engine that used petrol or diesel. Humans being very inquisitive started to figure out how to improve this engine to make it more efficient and reliable. The Overhead Valve engine (OHV) was an evolution of the Side … [Read more...]