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The Skyship 500 consists of a polyester fabric envelope, retaining helium gas, and carrying a gondola for the control cabin, passenger cabin, propulsion systems and ballast (fixed and jettison-able). The envelope is of a traditional streamlined shape with cruciform tail surfaces which carry rudder and elevator control surfaces for yaw and pitch.
The MD Helicopters MD 500 series is an American family of light utility civilian and military helicopters. The MD 500 was developed from the Hughes 500, a civilian version of the US Army's OH-6A Cayuse/Loach. The series currently includes the MD 500E, MD 520N, and MD 530F. The MD 500 was initially produced by Hughes Helicopters as the Hughes ...
Data from Jane's All the World's Aircraft 1981-82 General characteristics Crew: 2 Length: 30 ft 9.5 in (9.385 m) rotors running Height: 8 ft 8.5 in (2.654 m) to top of rotor hub 8 ft 10.75 in (2.71 m) to top of tail fin Empty weight: 1,512 lb (686 kg) Max takeoff weight: 2,550 lb (1,157 kg) normal MTOW 3,000 lb (1,361 kg) overload MTOW Powerplant: 1 × Allison Model 250-C20B turboshaft engine ...
The EA-500 was introduced as an alternative version of the EA-400 with the piston engine replaced by a Rolls-Royce Model 250-B17F/2 turboprop yielding 450 horsepower (340 kW), weighing 205 pounds (93 kg), and driving a 5 bladed propeller. This engine is widely used in small helicopters and was designed to have good fuel efficiency at lower ...
AT-500 Prototype AT-501 Piston-powered version with 600 shp (450 kW) Pratt & Whitney R-1340 engine, one seat, gross weight of 6,500 lb (2,900 kg) [2] AT-502 Upgraded AT-501 with 680 shp (510 kW) Pratt & Whitney Canada PT6A-15AG or 750 shp (560 kW) PT6A-34AG engine, one or two seats, gross weight of 6,500 lb (2,900 kg) or 8,000 lb (3,600 kg) depending on production date and wing spar type [3]
The enhanced 500 Citation I was introduced later in 1976 with the higher gross weight, improved JT15D-1A engines and the increased span wing. Speed and range were enhanced, the aircraft's service ceiling increased from 35,000 to 41,000 feet (11,000 to 12,000 m), and the cabin pressure at altitude was increased from 7.6 to 8.6 psi (52 to 59 kPa).
A July 1994 Government Accountability Office (GAO) report revealed that USAF and DoD studies from 1986 and 1991 stated the C-17 could use 6,400 more runways outside the U.S. than the C-5, but these studies had only considered runway dimensions, but not runway strength or load classification numbers (LCN). The C-5 has a lower LCN, but the USAF ...
The Mini-500 was designed as a light helicopter that resembles a scaled-down Hughes 500, powered by a Rotax 582 64 hp (48 kW) two-stroke engine. [ 2 ] The Mini-500 design was initially based upon Augusto Cicaré 's control system design as incorporated in his CH-6 prototype helicopter, but company president Dennis Fetters and Cicaré were ...