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The Island Three design, better known as the O'Neill cylinder, consists of two counter-rotating cylinders. They are 6.4 km (4 mi) [ 3 ] or 8.0 km (5 mi) [ 4 ] in diameter and are capable of being scaled up to 32.2 km (20 mi) long. [ 7 ]
Contra-rotating, also referred to as coaxial contra-rotating, is a technique whereby parts of a mechanism rotate in opposite directions about a common axis, usually to minimise the effect of torque. Examples include some aircraft propellers , resulting in the maximum power of a single piston or turboprop engine to drive two propellers in ...
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 ...
At the end of the 20th century, the most widely adopted method of loading and unloading a revolver is the swing-out cylinder, invented by several people in early 1860s, not counting Daniel S. Moore's swinging barrel and cylinder assembly [12] in 1860, [13] amongst them were Charles W. Hopkins in 1862, [14] and Benjamin F. Joslyn in 1863, [15 ...
The counter-rotating powerplants of the German World War II Junkers Ju 288 prototype series (as the Bomber B contract winning design), the Gotha Go 244 light transport, Henschel Hs 129 ground attack aircraft, Heinkel He 177A heavy bomber and Messerschmitt Me 323 transport used the same rotational "sense" as the production P-38 did – this has ...
Most revolving cylinder, axial piston engine designs utilize a fixed, multi-lobed barrel-type cam and rollers on the pistons to control the reciprocating movement of the pistons. [1] The benefit of this approach, versus a conventional crankshaft -and- connecting-rod mechanism, is that the kinematics of the piston motion can be optimized with ...
A McKendree cylinder is a type of hypothetical rotating space habitat originally proposed at NASA's Turning Goals into Reality conference in 2000 by NASA engineer Tom McKendree. [1] Like other space habitat designs, the cylinder would spin to produce artificial gravity by way of centrifugal force.
Thielert already had a business relationship with Superior, as it had been engaged in the production of Superior's after-market engine cylinders. [ 3 ] In 2008, Superior Air Parts' parent company Thielert declared bankruptcy , Superior itself filed for Chapter 11 bankruptcy on 31 December 2008 and laid off many of its staff.