Grumman G-21 Goose
- CountryUnited States of America
- TypeEight seat utility amphibian
- PowerplantsG-21A - Two 335kW (450hp) Pratt & Whitney R985AN6 Wasp nine cylinder piston radial engines driving two blade constant speed propellers. TurboGoose - Two 505kW (680shp) Pratt & Whitney Canada PT6A27 turboprops driving three blade propellers.
- PerformanceG-21A - Max speed 323km/h (175kt), cruising speed 307km/h (166kt). Initial rate of climb 1300ft/min. Service ceiling 22,000ft. Range with max fuel 1285km (695nm). TurboGoose - Max speed 390km/h (210kt). Service ceiling 20,000ft. Range with standard fuel 2575km (1390nm).
- WeightsG-21A - Empty 2460kg (5425lb), max takeoff 3630kg (8000lb). TurboGoose - Empty equipped 3040kg (6700lb), max takeoff weight 5670kg (12,500lb).
- DimentionsG-21A - Wing span 14.95m (49ft 0in), length 11.70m (38ft 4in), height 3.66m (12ft 0in). Wing area 34.8m2 (375sq ft). TurboGoose - Wing span 15.49m (50ft 10in), length 12.06m (39ft 7in). Wing area 35.1m2 (377.6sq ft).
- CapacityFlightcrew of two. Main cabin passenger seating for six or seven in piston engined Goose, TurboGoose seats up to 12.
- ProductionTotal Goose production exceeded 300 aircraft, most of which were originally delivered to military customers. Production ceased in 1945. Small numbers of radial and turbine powered Gooses remain in service worldwide.
The Goose started life in the preww2 days as Grumman's first outline planned for non military personnel use, however a large portion of the sort's generation eventually was against military requests set amid Ww2.
The Goose's first flight happened in June 1937. Grumman's as of now far reaching knowledge in building contenders for the US Navy was reflected in the Goose's tough development, peculiarities of which incorporated a supported tailplane and profound two stage frame. A retractable undercarriage was an alternate peculiarity. Introductory common generation machines were assigned the G-21a.
The entry of Ww2 saw the Goose (a name initially offered on the air ship by Britain's Royal Air Force) enter military administration with various united air arms, the biggest administrator being the US Navy. Military requests from the US, Britain and Canada represented a great part of the Goose's 300 unit creation run.
Post bellum, surplus Gooses discovered their route into administration with business administrators around the world, their remarkable land and/or water capable ability and tough development guaranteeing their fame in the advancing decades.
Various Gooses have been changed over to turboprop power, Mckinnon Enterprises (at first situated in the US, and afterward Canada) first fitting Gooses with four 255kw (340hp) Lycoming Gso480 cylinder motors, and after that with two Pratt & Whitney Canada Pt6s. Two adaptations of the last were created, the Turboprop Goose and the G-21g Turbogoose which presented extended lodge windows and retractable wingtip glides.
Pictures of Grumman G-21 Goose
