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The Boeing B-52 Stratofortress is an American long-range, subsonic, jet-powered strategic bomber. The B-52 was designed and built by Boeing , which has continued to provide support and upgrades. It has been operated by the United States Air Force (USAF) since the 1950s, and NASA for nearly 50 years.
They can be used individually, as an external derailleur or an internal hub gear, or in combinations such as the SRAM Dual Drive, which uses a standard 8 or 9-speed cassette mounted on a three-speed internally geared hub, offering a similar gear range as a bicycle with a cassette and triple chainrings. Derailleur gears. Cogset; Crankset; Hub gear
A single-speed bicycle is a type of bicycle with a single gear ratio and a freewheel mechanism. These bicycles are without derailleur gears, hub gearing or other methods for varying the gear ratio of the bicycle. Adult single-speed bicycles typically have a gear ratio of between 55 and 75 gear inches, depending on the rider and the anticipated ...
A hub gear, [1] internal-gear hub, [2] internally geared hub [3] or just gear hub [4] is a gear ratio changing system commonly used on bicycles that is implemented with planetary or epicyclic gears. The gears and lubricants are sealed within the shell of the hub gear, in contrast with derailleur gears where the gears and mechanism are exposed ...
A Boeing 747-400's main landing gear. Note the toes-up bias angle of the bogies on the wing gear, to ensure correct stowage upon retraction: 707, 720, 757, 767, 787: 10 wheels [1x2]+[2x4] A Boeing 757-200 from British Airways: 777: 14 wheels [1x2]+[2x6] A Boeing 777-200 from United Airlines.
After reading about others’ experiences with the stationary bike, he was inspired by one man who was able to turn his health around by completing 100 rides. “So I thought to myself, could I do ...
It was originally a B-52B, and was the first operational B-52 delivered to the Air Force, entering service with the 93d Bombardment Wing on June 29, 1955. [10] 53-0379 - Although not preserved as such, the aircraft sits on the edge of Rogers Dry Lake south of Edwards Air Force Base, California(34.818730, -117.852651). It was used for barrier ...
The B-52’s’ pre-Cosmic Thing album, Bouncing Off the Satellites, was recorded while Ricky was secretly battling AIDS. Only drummer and co-songwriter Strickland — who would later take over ...