motor-reduction unit
41Mean 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… …
42Stroke (engine) — Reciprocating motion, used in reciprocating engines and other mechanisms, is back and forth motion. Each cycle of reciprocation consists of two opposite motions: there is a motion in one direction, and then a motion back in the opposite direction …
43Tap (transformer) — This article is about tappings in transformers. For other uses, see Tap. A transformer tap is a connection point along a transformer winding that allows a certain number of turns to be selected. This means, a transformer with a variable turns… …
44Colomban MC-30 Luciole — MC 30 Luciole Role Homebuilt recreational aircraft Designer Michel Colomban Status In production The Colomban MC 30 Luciole is an ultra lightweight plans built single seat low wing tail dragger monoplane, designed by the French aeronautical… …
45de Lackner HZ-1 Aerocycle — For the World War One bomber, see Airco DH.4. HZ 1 Aerocycle …
46Cylinder (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… …
47Overhead valve — OHV redirects here. OHV may also refer to Off highway vehicle. Components of a pushrod valve actuation system …
48Manifold 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… …
49Crankpin —   Crankpins highlighted in blue …
50Dead centre — For the lathe tool, see lathe center. In a reciprocating engine, the dead centre is the position of a piston in which it is farthest from, or nearest to, the crankshaft. The former is known as top dead centre (TDC) while the latter is known as… …
