Robinson R22
- CountryUnited States of America
- TypeTwo seat piston engined light helicopter
- PowerplantsR22 - One 93kW (124hp) Lycoming O360A2B flat four piston engine driving a two blade main rotor and two blade tail rotor. R22 Beta - One 98kW (131hp) takeoff rated Textron Lycoming O320B2C.
- PerformanceR22 - Max speed 180km/h (97kt), 75% power cruising speed 174km/h (94kt), economical cruising speed 153km/h (82kt). Initial rate of climb 1200ft/min. Service ceiling 14,000ft. Hovering ceiling in ground effect 6500ft. Range with max payload and no reserves 385km (207nm). R22 Beta - Max speed 180km/h (97kt), 75% power cruising speed 177km/h (96kt), economical cruising speed 153km/h (82kt). Initial rate of climb 1200ft/min. Hovering ceiling in ground effect 6970ft. Range with max payload, auxiliary fuel and no reserves 590km (320nm). Endurance 3hr 20min.
- WeightsR22 - Empty 361kg (796lb), max takeoff 590kg (1300lb). R22 Beta - Empty 379kg (835lb), max takeoff 620kg (1370lb).
- DimentionsMain rotor diameter 7.67m (25ft 2in), length overall rotors turning 8.76m (28ft 9in), fuselage length 6.30m (20ft 8in), height 2.72m (8ft 11in). Main rotor disc area 46.2m2 (497.4sq ft).
- CapacityTypical seating for two, side by side. R22 Agricultural is fitted with a 150 litre (33Imp gal) capacity chemical tank.
- ProductionOver 2900 R22s of all versions have been built (including some against military orders).
The Robinson R22 has undisputedly been the world's most mainstream light helicopter following its presentation in the late 1970s.
The R22 was outlined by the author of the Robinson Helicopter Company, Frank Robinson. The R22 was imagined to be a proficient, shoddy to gain (with a buy cost similar to two/four seat light airplane), dependable and prudent to work multi reason two seat light helicopter.
Outline take a shot at the R22 started in the 1970s, and a 85kw (115hp) Lycoming O235 fueled model flew shockingly on August 28 1975. Confirmation of the R22 was postponed to a degree to March 1979 however by the loss of the model. In spite of this setback however the R22 was an overnight achievement, and a few hundred had been requested when the first were conveyed from October 1979.
Various variations and advancements of the R22 have been advertised. These incorporate the enhanced R22 Alpha presented in 1983, and the all the more capable R22 Beta from 1985. The R22 Mariner is furnished with buoys, the R22 Police rendition is fitted with exceptional correspondences outfit, a searchlight, siren and amplifier, the R22 Agricultural is fitted with tanks and blasts for horticultural spreading, while the R22 IFR is fitted with IFR instrumentation for helicopter IFR flight preparing.
The most recent R22 model is the R22 Beta II, controlled by a 120kw (160hp) O360 derated to 98kw (131hp) for takeoff for enhanced hot and superior (as takeoff force could be kept up to 7500ft). The Beta II was brought into creation in 1995 and certificated in right on time 1996.
R22 uses are differed and incorporate helicopter pilot preparing, steers gathering, movement reporting and police work.
Pictures of Robinson R22
