torque recorder
21Counter-rotating propellers — Not to be confused with Contra rotating propellers. Counter rotating propellers Opposite propeller blade section can be clearly seen on this Piper PA 44 Seminole Counter rotating propellers, found on twin and multi engine propeller driven… …
22Technics (brand) — Infobox Company company name = Panasonic Corporation company company type = Public (nyse|MC,tyo|6752) company slogan = Ideas for Life. foundation = March, 1918 location = key people = Fumio Ohtsubo, president area served = industry = Electronics… …
23Crankshaft — For other uses, see Crankshaft (disambiguation). Crankshaft (red), pistons (gray) in their cylinders (blue), and flywheel (black) The crankshaft, sometimes casually abbreviated to crank, is the part of an engine which translates reciprocating… …
24Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …
25Time — This article is about the measurement. For the magazine, see Time (magazine). For other uses, see Time (disambiguation). The flow of sand in an hourglass can be used to keep track of elapsed time. It also concretely represents the present as… …
26Fuel injection — Fuel rail connected to the injectors that are mounted just above the intake manifold on a four cylinder engine. Fuel injection …
27Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
28Pendulum — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance …
29Surveyor 3 — Infobox Spacecraft Caption=Alan L. Bean, Lunar Module pilot of Apollo 12, stands next to Surveyor 3 lander. In the background is the Apollo 12 lander, Intrepid. Name=Surveyor 3 Organization=NASA Major Contractors= Hughes Aircraft Mission… …
30Tachometer — A tachometer is an instrument that measures the rotation speed of a shaft or disk, as in a motor or other machine. The device usually displays the revolutions per minute (RPM) on a calibrated analog dial, but digital displays are increasingly… …
