curved leading edge
21Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate …
22passeriform — /pas euhr euh fawrm , peuh ser euh /, adj. of or pertaining to the order Passeriformes; passerine. [ < NL Passeriformes, equiv. to L passer sparrow + iformes IFORMES] * * * ▪ bird Introduction also called passerine or perching bird any… …
23de Havilland Mosquito — DH.98 Mosquito The Mosquito B Mk XVI ML963 of 571 Squadron this aircraft was lost on an operation to Berlin in April 1945 …
24Curling — Highest governing body World Curling Federation N …
25Sail — A sail is any type of surface intended to generate thrust by being placed in a wind mdash;in essence a vertically oriented wing. Sails are used in sailing.History of sailsThe ships built at around 10,000 BC were just crude log rafts or dug out… …
26Gordon Dove — Gove Role Single seat sports ultralight aircraft National origin United Kingdom Manufacturer Premier Aircraft Construction Ltd Designer S.C. Buszard First flight 3 March 1937 Number built 3 …
27Surface weather analysis — A surface weather analysis is a special type of weather map that provides a view of weather elements over a geographical area at a specified time based on information from ground based weather stations. [ Air Apparent: How Meteorologists Learned… …
28Kitesurfing — Kitesurfing, kiteboarding, uses wind power to pull a rider through the water on a small surfboard or a kiteboard (which is like a wakeboard). Generally kiteboarding refers to a style of riding known as free style or wakestyle where as kitesurfing …
29Airfoil — An airfoil (in American English) or aerofoil (in British English) is the shape of a wing or blade (of a propeller, rotor or turbine) or sail as seen in cross section. An airfoil shaped body moved through a fluid produces a force perpendicular to… …
30Plane (tool) — A plane is a tool for shaping wood. Planes are used to flatten, reduce the thickness of, and impart a smooth surface to a rough piece of lumber. Special types of planes are designed to cut joints or decorative mouldings.Hand planes are generally… …
