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The speed to fly is the optimum speed through sinking or rising air mass to achieve either the furthest glide, or fastest average cross-country speed. [1] Most speed to fly setups use units of either airspeed in kilometers per hour (km/h) and climb rate in meters per second (m/s), or airspeed in knots (kn) and climb rate in feet per minute (ft ...
The maximum range condition is obtained at maximum lift/drag ratio (L/DMAX) The maximal total range is the maximum distance an aircraft can fly between takeoff and landing . Powered aircraft range is limited by the aviation fuel energy storage capacity (chemical or electrical) considering both weight and volume limits. [ 1 ]
France hosted the first yearly speed flying competition, "Speed Flying Pro Les Arcs", in January 2007, which continued to be dominated by pioneer speed flyer Antoine Montant until his death in 2011. [12] On 2 February 2006, the French Free Flight Association (FFVL) officially recognized speed riding as an independent sport under its umbrella. [13]
This is the speed at which drag is minimised. For jet aircraft, "long-range cruise" speed (LRC) is defined as the speed which gives 99% of the maximum range, for a given weight. This results in a 3–5% increase in speed. [8] It is also a more stable speed than maximum range speed, so gives less autothrottle movement. [9]
When children are not physically present in the school zone but still on school grounds, Olsen said drivers must still go at a “safe” speed. “If it’s 10 a.m. and children are corralled in ...
In Europe, the sporting (FAI) definition limits the maximum stalling speed to 65 km/h (40 mph) and the maximum take-off weight to 450 kg (992 lb), or 472.5 kg (1,042 lb) if a ballistic parachute is installed. The definition means that the aircraft has a slow landing speed and short landing roll in the event of an engine failure.
The American Academy of Pediatrics recommends three full hours of physical activity per day for kids ages 3 to 5, and 60 minutes of moderate-to-vigorous physical activity on most days of the week ...
Airspeed is commonly given in knots (kn). Since 2010, the International Civil Aviation Organization (ICAO) recommends using kilometers per hour (km/h) for airspeed (and meters per second for wind speed on runways), but allows using the de facto standard of knots, and has no set date on when to stop.