Connecting rod — piston (top) and connecting rod from typical automotive engine (scale is in centimetres) In a reciprocating piston engine, the connecting rod or conrod connects the piston to the crank or crankshaft. Together with the crank, they form a simple… … Wikipedia
Ship gun fire-control system — Mk 37 Director c1944 with Mk 12 (rectangular antenna) and Mk 22 orange peel Ship gun fire control systems (GFCS) enable remote and automatic targeting of guns against ships, aircraft, and shore targets, with or without the aid of radar or optical … Wikipedia
Controllable 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… … Wikipedia
Birth control — For other uses, see Birth control (disambiguation). Birth control is an umbrella term for several techniques and methods used to prevent fertilization or to interrupt pregnancy at various stages. Birth control techniques and methods include… … Wikipedia
Vertibird — was the name of a line of toy helicopter products made by Mattel between 1971 and the early 1980s. DescriptionGeneralThe VertiBird helicopter flies around a central base containing an electric motor, spring lift assist, pitch control, batteries,… … Wikipedia
Radio-controlled aircraft — A radio controlled aircraft (often called RC aircraft or RC plane) is a model aircraft that is controlled remotely, typically with a hand held transmitter and a receiver within the craft. The receiver controls the corresponding servos that move… … Wikipedia
Pterodactyl Ascender — This article is about the ultralight aircraft. For the Chinese unmanned aerial vehicle, see Chengdu Pterodactyl I. Pterodactyl series … Wikipedia
Musique concrète — (French for concrete music ) is a form of electroacoustic music that utilises acousmatic sound as a compositional resource. The compositional material is not restricted to the inclusion of sounds derived from musical instruments or voices, nor to … Wikipedia
Bunraku — This article is about the traditional form of Japanese puppet theatre. For the 2011 film, see Bunraku (film). A bunraku puppet s head. This particular puppet is a head used in Sanbaso performances. Bunraku (文楽 … Wikipedia
November class submarine — Class overview Name: project 627 / 627A / 645 Builders: shipyard No. 402 in … Wikipedia
Cierva C.30 — C.30 Avro 671 Rota Mk 1 at Imperial War Museum, Duxford Role Autogyro Designer … Wikipedia