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A de Havilland 3 blade propeller unit is fitted, along with a "blown" canopy and the laminated bulletproof windscreen and later aerial mast. The brass plate below the external starter plug can be seen on the side engine cowling. Starting in September 1940, IFF equipment was installed. This weighed about 40 lb (18 kg) and could be identified by ...
A folding propeller is a type of propeller whose blades automatically fold out when the engine is turning, and then fold back (or "feather") when the engine stops. Folding propellers are found on sailing yachts , on model airplanes, and increasingly on self-launching gliders and small motor gliders , such as the Aériane Swift PAS .
BMP-3 Dragoon – New IFV version with an unmanned turret which can be armed with a variety of combat modules, including standard BMP-3's Bakhcha-U turret with a 2A70 100 mm cannon, a 2A72 30 mm autocannon and a PKTM 7.62 mm machine gun, the AU-220M Baikal remote weapon station module with a 57 mm BM-57 gun and a module with a 125 mm 2A82-1M ...
In one arrangement, the motor has an ordinary stator. A squirrel-cage rotor connected to the output shaft rotates within the stator at slightly less than the rotating field from the stator. Within the squirrel-cage rotor is a freely rotating permanent magnet rotor, which is locked in with rotating field from the stator.
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 ...
In 1897 he invented an electrical configuration to switch between poles in a motor for which he was granted a patent along with his co-worker Karl Arvid Lindström. The new connection was named the "Dahlander connection" and a motor having such a configuration is commonly referred to as a "pole changing motor" or a "Dahlander motor". [4] [5]
A growler is an electrical device primarily used for testing a motor for shorted coils. A growler consists of a coil of wire wrapped around an iron core and connected to a source of alternating current. When placed on the armature or stator core of a motor the growler acts as the primary of a transformer and the armature coils act as the ...
A blisk (portmanteau of bladed disk) is a turbomachine component comprising both rotor disk and blades as a single part instead of a disk assembled with individual removable blades. Blisks generally have better aerodynamics than conventional rotors with single blades and are lighter.