poppet pin
31Gnome Monosoupape — Monosoupape A 1917 Gnome 9N 160 hp Monosoupape rotary engine Type Rotary a …
32Cylinder (engine) — Illustration of an engine cylinder with a cross section view of the piston, connecting rod, valves and spark plug. A cylinder is the central working part of a reciprocating engine or pump, the space in which a piston travels. Multiple cylinders… …
33Overhead camshaft — A cylinder head sliced in Fifths shows two overhead camshafts one above each of the two valves. Overhead cam (OHC) valvetrain configurations place the engine camshaft within the cylinder heads, above the combustion chambers, and drive the valves… …
34Contra-rotating propellers — For contra rotating marine propellors, helicopter rotors and turbine fan blades, see Contra rotating. Not to be confused with counter rotating propellers. Contra rotating propellers on a Rolls Royce–Griffon–powered P 51 unlimited racer Aircraft… …
35Overhead valve — OHV redirects here. OHV may also refer to Off highway vehicle. Components of a pushrod valve actuation system …
36Controllable pitch propeller — A controllable pitch propeller (CPP) or variable pitch propeller is a type of propeller with blades that can be rotated around their long axis to change their pitch. If the pitch can be set to negative values, the reversible propeller can also… …
37Manifold vacuum — Not to be confused with Vacuum manifold. Manifold vacuum, or engine vacuum in an internal combustion engine is the difference in air pressure between the engine s intake manifold and Earth s atmosphere. Manifold vacuum is an effect of a piston s… …
38Coffman engine starter — The Coffman engine starter (also known as a shotgun starter ) was a starting system used on many piston engines in aircraft and armored vehicles of the 1930s and 1940s. The Coffman system was one of the most common brands; another was the Breeze… …
39Mean effective pressure — The mean effective pressure is a quantity related to the operation of an reciprocating engine and is a valuable measure of an engine s capacity to do work that is independent of engine displacement[1]. When quoted as an indicated mean effective… …
40Constant speed propeller — Cutaway constant speed propeller hub …
