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One of the three original proof-of-concept prototypes of the Williams X-Jet, on display at the Seattle Museum of Flight. X-Jet viewed from the side. The Williams X-Jet, created by Williams International, was a small, single-person, light-weight, Vertical Take Off and Landing aircraft powered by a modified Williams F107 turbofan aircraft engine — designated WR-19-7 — after some minor ...
The original concept had been developed by Charles H. Zimmerman in the late 1940s. [2] Further development followed, both by Hiller Aircraft and the De Lackner Company. There were two main models, the ONR model 1031-A-1, and the somewhat larger VZ-1 Pawnee model produced in 1956 for the U.S.
Bensen X-25 – Single-seat autogyro; Schweizer X-26 Frigate – Sailplane; Lockheed X-27 Lancer – high-performance technology demonstrator based on Lockheed CL-1200; Pereira X-28A Sea Skimmer – Single-seat flying boat for US Navy; Grumman X-29 forward swept wing and stability research aircraft. Grumman X-29 – Forward-swept wing test aircraft
The person piloting the ultralight must be less than 210 lb (95 kg). [5] The individual motors powering the ultralight resemble drones. The ultralight can fly at an altitude of 1,500 ft (460 m). It weighs 190 lb (86 kg) and the fuselage is built of aluminum and a carbon-Kevlar composite. It is being offered for US$98,000. [8]
The Pivotal BlackFly is an American electric-powered VTOL personal air vehicle designed by Canadian engineer Marcus Leng and formerly produced by Opener, now Pivotal. It was publicly revealed in 2018, after nine years of development.
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Huntair Pathfinder Mark 1 ultralight. Ultralight aviation (called microlight aviation in some countries) is the flying of lightweight, 1- or 2-seat fixed-wing aircraft. Some countries differentiate between weight-shift control and conventional three-axis control aircraft with ailerons, elevator and rudder, calling the former "microlight" and the latter "ultralight".
The simplest form of seat is the chair, [72] which is a piece of furniture designed to allow a single person to sit down, which has a back and legs, as well as a platform for sitting. [73] Chairs often feature cushions made from various fabrics. [74]