Flathead engine
Videos
A flathead engine, also known as a sidevalve engine or valve-in-block engine, is an internal combustion engine with its poppet valves contained within the engine block, instead of in the cylinder head
A crossflow T-head sidevalve engine
1915 Cadillac flathead engine block
Harley-Davidson flathead
BMW R12
Combustion chamber
Videos
A combustion chamber is part of an internal combustion engine in which the fuel/air mix is burned. For steam engines, the term has also been used for an extension of the firebox which is used to allow
OHC engine combustion chamber, located between the piston (shown in yellow) and the valves (blue and red)
Dished piston for a diesel engine