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Ballast Ballast is removable or permanently installed weight in an aircraft used to bring the center of gravity into the allowable range. Center-of-Gravity Limits Center of gravity (CG) limits are specified longitudinal (forward and aft) and/or lateral (left and right) limits within which the aircraft's center of gravity must be located during ...
Fixed equipment and services considered an integral part of the aircraft. Fixed ballast (if present). Closed system fluids (such as hydraulic fluids). For small aircraft, the MEW may include unusable fuel and oil. The Specification MEW excludes the weight of: All fuel (both usable and unusable). Potable water, anti-ice, and chemicals in toilets.
Data from Jane's All the World's Aircraft 1988-89 [2] General characteristics. ... Max takeoff weight: 525 kg (1,157 lb) Water ballast: 180 L (48 US gal; 40 imp gal)
Ballast is dense material used as a weight to provide stability to a vehicle or structure. Ballast, other than cargo , may be placed in a vehicle, often a ship or the gondola of a balloon or airship , to provide stability .
Changes in weight of fuel on board, due to fuel consumption. This was a challenge especially in the large historic airships like the Zeppelins . For example, on a flight from Friedrichshafen to Lakehurst, the rigid airship LZ 126 , built in 1923-24, used 23,000 kg gasoline and 1300 kg of oil (an average consumption of 290 kg/100 km).
In plan view the almost crescent shape of the leading edge is similar to the Discus but is tapered in three stages. ... Capacity: 200 kg (441 lb) water ballast, plus ...
Data from The First of the Many, [9] Spitfire: Classic Aircraft No. 1 [36] General characteristics. Crew: 1; Length: 29 ft 11 in (9.12 m) Wingspan: 36 ft 10 in (11.23 m) Wing area: 242 sq ft (22.5 m 2) Airfoil: NACA 2200; Gross weight: 5,322 lb (2,414 kg) with ballast weights in place of guns
The extra weight provided by the water ballast is advantageous if the lift is likely to be strong, and may also be used to adjust the glider's center of mass. Moving the center of mass toward the rear by carrying water in the vertical stabilizer reduces the required down-force from the horizontal stabilizer and the resultant drag from that down ...