centre main bearing
61Constant speed propeller — Cutaway constant speed propeller hub …
62Dual ignition — A Hirth 2702 twin cylinder, two stroke aircraft engine. Equipped with dual ignition, the photo shows the two spark plugs per cylinder. Dual Ignition is a system for spark ignition engines, whereby each cylinder has every critical ignition… …
63Compression ratio — For compression ratio in data compression, see data compression ratio. The compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its… …
64Intercooler — For the Australian rock group, see Intercooler (band). An intercooler (original UK term, sometimes aftercooler in US practice), or charge air cooler, is an air to air or air to liquid heat exchange device used on turbocharged and supercharged… …
65Cylinder head — A 302/5.0L Ford cylinder head In an internal combustion engine, the cylinder head (often informally abbreviated to just head) sits above the cylinders on top of the cylinder block. It closes in the top of the cylinder, forming the combustion… …
66Overhead 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… …
67Triumph TR4 — Infobox Automobile name = Triumph TR4 body style = 2 door roadster production = 1961 ndash;1965 manufacturer = Triumph Motor Company parent company = British Leyland class = Sports car predecessor = Triumph TR3A successor = Triumph TR4A engine =… …
68Mazda B engine — B Series Manufacturer Mazda The Mazda B series engine is a small sized, iron block, inline four cylinder with belt driven SOHC and DOHC valvetrain ranging in displacement from 1.1L to 1.8L. It was used from front wheel drive economy applications… …
69Contra-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… …
70Overhead valve — OHV redirects here. OHV may also refer to Off highway vehicle. Components of a pushrod valve actuation system …
