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The Helicron is an open-wheel car that used a propeller as its drive. The Helicron was abandoned in the late 1930s, but was restored after its barn find in 2000. [1] In the same year, the car was permitted by the French government to drive on the French roads. [2] The car currently resides in the Lane Motor Museum and is on display, as a ...
A quadcopter, also called quadrocopter, or quadrotor [1] is a type of helicopter or multicopter that has four rotors. [ 2 ] Although quadrotor helicopters and convertiplanes have long been flown experimentally, the configuration remained a curiosity until the arrival of the modern unmanned aerial vehicle or drone.
Contra-rotating propellers Contra-rotating propellers on the Rolls-Royce Griffon-powered P-51XR Mustang Precious Metal at the 2014 Reno Air Races. Aircraft equipped with contra-rotating propellers (CRP) [1] coaxial contra-rotating propellers, or high-speed propellers, apply the maximum power of usually a single piston engine or turboprop engine to drive a pair of coaxial propellers in contra ...
The hybrid design is simpler than a pure gasoline drivetrain by eliminating the gearboxes and rotor linkages of a traditional helicopter, while security is higher through two redundant motors. Each propeller blade is driven directly by an independent electric motor and flight control is achieved by varying the RPM of each blade to achieve ...
A brushless, geared inrunner motor in a quadcopter. The term inrunner refers to an electric motor where the rotor (runner) is inside the stator. The term is in particular used for brushless motors to differentiate them from outrunners that have their rotor outside the stator. The vast majority of electric motors are inrunners. [citation needed]
1871 Planophore A Farman MF.11, showing the classic Farman configuration with engine between tail booms Buhl A-1 Autogyro, the first pusher autogyro The post-WWII Convair B-36 was unusual in its size, era, number of engines, and combining both propeller and jet propulsion, with six radial piston and four jet engines Typical of many UAVs, the General Atomics MQ-9 Reaper has a propeller at the ...
A Mark 46 Mod 5A torpedo is inspected aboard a destroyer in April 2005. Contra-rotating propellers have benefits when providing thrust for boats for the same reasons. ABB provided an azimuth thruster for ShinNihonkai Ferries in form of the CRP Azipod, [1] claiming efficiency gains from the propeller (about 10% increase [2]) and a simpler hull design.
Convair XFY Pogo 1954 – Fixed propeller VTOL; Curtiss-Wright VZ-7 1958 – Quadcopter; Curtiss-Wright X-100 1963 – Tilt rotor VTOL (developed into X-200 and X-19) Custer Channel Wings 1953 – Blown half-barrel wings; Doak VZ-4 1958 – Tilt-fan VTOL; Douglas D-558-I Skystreak 1947 – Supersonic research; Douglas D-558-II Skyrocket 1948 ...
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