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A fan from a Rolls-Royce RB211 turbofan engine, with its spinner visible at the centre of the fan blades.. The first spinners were fitted to aircraft in the early 1910s, originally to reduce drag caused by the large-diameter rotary engines of that era, and also were prominent on World War I-era aircraft, like the Morane-Saulnier N French monoplane fighter, and for the Central Powers, Robert ...
Search for List of aviation, aerospace and aeronautical terms in Wikipedia to check for alternative titles or spellings. Start the List of aviation, aerospace and aeronautical terms article , using the Article Wizard if you wish, or add a request for it ; but please remember that Wikipedia is not a dictionary .
For example, an object to the East would have an absolute bearing of 90 degrees. Relative bearing refers to the angle between the craft's forward direction, and the location of another object. For example, an object relative bearing of 0 degrees would be dead ahead; an object relative bearing 180 degrees would be behind. [29]
A socket wrench (or socket spanner) is a type of spanner (or wrench [1] in North American English) that uses a closed socket format, rather than a typical open wrench/spanner to turn a fastener, typically in the form of a nut or bolt. [2] The most prevalent form is the ratcheting socket wrench, often informally called a ratchet.
An adjustable spanner (UK and most other English-speaking countries), also called a shifting spanner (Australia and New Zealand) [1] or adjustable wrench (US and Canada), [a] is any of various styles of spanner (wrench) with a movable jaw, allowing it to be used with different sizes of fastener head (nut, bolt, etc.) rather than just one fastener size, as with a conventional fixed spanner.
Pneumatic tools are rated using several metrics: Free Speed (rpm), Air Pressure (psi/bar), Air Consumption (cfm/scfm or m3/min), Horse Power (hp), and spindle size.Each individual tool has its own specific requirements which determine their compatibility with air compressor systems.
Spoiler controls can be used for roll control (outboard or mid-span spoilers) or descent control (inboard spoilers). Some aircraft use spoilers in combination with or in lieu of ailerons for roll control, primarily to reduce adverse yaw when rudder input is limited by higher speeds.
A podger spanner, or podger, is a tool in the form of a short bar, usually tapered and often incorporating a wrench at one end. Podgers are used for erecting scaffolding and steel scenery - The pointed end is used to align the bolt holes while the spanner end is used to tighten the nuts.