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The Grumman G-21 Goose is an ... The deep fuselage served also as a hull and was equipped with hand-cranked retractable landing gear. First flight of the prototype ...
G-73 Mallard at the Air Zoo. Building on the success of the Goose and Widgeon, Grumman Aircraft developed larger G-73 Mallard for commercial use.Retaining many of the features of the smaller aircraft, such as twin radial engines, high wings with underwing floats, retractable landing gear and a large straight tail, the company built 59 Mallards between 1946 and 1951.
Grumman designed the first practical floats with a retractable landing gear for the Navy, and this launched Grumman into the aviation market. [3] The first Grumman aircraft was also for the Navy, the Grumman FF-1, a biplane with retractable landing gear developed at Curtiss Field in 1931. [3] This was followed by a number of other successful ...
The Grumman FF "Fifi" (company designation G-5) is an American biplane fighter aircraft operated by the United States Navy during the 1930s. [2] It was the first carrier aircraft with retractable landing gear. [3] It was produced under licence in Canada and known as the Goblin in Canadian service and Delfín (English: "Dolphin") in Spanish service.
The Kaman K-16B is an experimental vertical-takeoff-and-landing aircraft that was constructed by Kaman Aircraft for the United States Navy in 1959 to evaluate the tiltwing concept. Converted from a Grumman Goose amphibian, the K-16B underwent extensive wind tunnel and tethered testing, but was not flown before the project was terminated in 1962.
The landing gear represents 2.5 to 5% of the maximum takeoff weight (MTOW) and 1.5 to 1.75% of the aircraft cost, but 20% of the airframe direct maintenance cost. A suitably-designed wheel can support 30 t (66,000 lb), tolerate a ground speed of 300 km/h and roll a distance of 500,000 km (310,000 mi) ; it has a 20,000 hours time between overhaul and a 60,000 hours or 20 year life time.
In 1948 another DC-3, a Sikorsky S-43 and a Grumman G-21 Goose were purchased. [4] Grumman Goose of Pen-Air. Reeve sold two of these aircraft to Peninsula Airways (PenAir) in 1977. In March 1949, four days' notice was given that Shemya was to close. This base was vital to Reeve, as it was an all-weather alternative to Adak, Amchitka and Attu.
Antilles Air Boats was founded in 1963, and provided transport between St Thomas and St Croix in the US Virgin Islands as well as San Juan, Puerto Rico.Antilles Air Boats built up its fleet until it operated 27 aircraft, all propeller driven float planes from World War II which were well suited to the short hops over water the airline specialized in.