ignition spark plug
61Lean burn — refers to the use of lean mixtures in an internal combustion engine. The air fuel ratios can be as high as 65:1, so the mixture has considerably less fuel in comparison to the stoichiometric combustion ratio (14.7:1 for petrol for example).… …
62Magneto (electrical) — This article is about the engine component. For other uses of the term, see Magneto (disambiguation). A magneto is a device used in the ignition system of gasoline powered internal combustion engines to provide pulses of high voltage electrical… …
63Nuclear weapon design — The first nuclear weapons, though large, cumbersome and inefficient, provided the basic design building blocks of all future weapons. Here the Gadget device is prepared for the first nuclear test: Trinity. Nuclear weapon designs are physical,… …
64Hit and miss engine — A hit and miss engine is a type of four stroke internal combustion engine that was conceived in the late 1800s and was produced by various companies from the 1890s through approximately the 1930s. The name comes from the method of speed control… …
65Two-stroke engine — Brons two stroke V8 Diesel engine driving a Heemaf generator. A two stroke engine is an internal combustion engine that completes the process cycle in one revolution of the crankshaft (an up stroke and a down stroke of the piston, compared to… …
66Bore (engine) — Bore is the diameter measurement of the cylinders in a piston engine. Engine displacement is calculated by: The term bore can also be applied to the bore of a locomotive cylinder. See also Stroke (engine) Compression ratio Cylinder head porting… …
67Oil pump (internal combustion engine) — This article is about a part in an internal combustion engine. For other uses, see Oil pump. Oil circulation system …
68Naturally aspirated engine — A naturally aspirated engine is one common type of reciprocating piston internal combustion engine that depends solely on atmospheric pressure to counter the partial vacuum in the induction tract to draw in combustion air. This is in contrast to… …
69Automobile — For the magazine, see Automobile Magazine. Car and Cars redirect here. For other uses, see Car (disambiguation). Automobile …
70Gasoline direct injection — In internal combustion engines, gasoline direct injection (GDI), also known as petrol direct injection or direct petrol injection, is a variant of fuel injection employed in modern two stroke and four stroke gasoline engines. The gasoline is… …
