shaft wobbling

  • 1Ceiling fan — A ceiling fan is a fan, usually electrically powered, suspended from the ceiling of a room, that uses hub mounted rotating paddles to circulate air. Casablanca Fan Co. ceiling fan from the early 1980s. A ceiling fan rotates much mo …

    Wikipedia

  • 2precession — precessional, adj. /pree sesh euhn/, n. 1. the act or fact of preceding; precedence. 2. Mech. the motion of the rotation axis of a rigid body, as a spinning top, when a disturbing torque is applied while the body is rotating such that the… …

    Universalium

  • 3Cycloidal drive — For the marine propulsion system, see Voith Schneider. A cycloidal drive or cycloidal speed reducer is a mechanism for reducing the speed of an input shaft by a certain ratio. Cycloidal speed reducers are capable of high ratios in compact sizes.… …

    Wikipedia

  • 4Darts — This article is about the pub game. For the British pop band, see Darts (band). For other meanings, see Dart (disambiguation). Darts Darts in a dartboard Highest governing body WDF First played …

    Wikipedia

  • 5Nutating disc engine — A nutating disc engine (also sometimes called a disc engine) is an internal combustion engine comprising fundamentally of one moving part and a direct drive onto the crankshaft. Initially patented in 1993, it differs from earlier internal… …

    Wikipedia

  • 6Dragon boat — This article is about Dragon boats and racing. For the festivals and holidays associated with dragon boats, see Duanwu Festival. Dragon boat Traditional Chinese 龍舟 Simplified Chinese 龙舟 …

    Wikipedia

  • 7Nutation — See also: Nutation in plants Rotation (green), Precession (blue) and Nutation in obliquity (red) of the Earth Nutation (from Latin: nūtāre, to nod) is a rocking, swaying, or nodding motion in the axis of rotation of a largely axially symmetric… …

    Wikipedia

  • 8Laval, Carl Gustaf Patrik de — born May 9, 1845, Blasenborg, Swed. died Feb. 2, 1913, Stockholm Swedish scientist, engineer, and inventor. Laval built his first impulse steam turbine in 1882. Further advances followed, including a reversible turbine for marine use. A Laval… …

    Universalium

  • 9Hunting (engineering) — Hunting is a self exciting oscillation of a system, and is common in systems which incorporate feedback. It is an important phenomenon in many fields, including engineering, economics and biology.Mathematical basis of huntingSelf exciting… …

    Wikipedia

  • 10Inception — For other uses, see Inception (disambiguation). Inception …

    Wikipedia