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The 600 mm multiple rocket launcher (Korean: 600㎜방사포), commonly known by its United States's designation KN-25, is a weapon system that is referred to by North Korea as multiple rocket launcher. Due to its ballistic trajectory, United States classifies it as tactical (or short-range) ballistic missile.
In 1979, the Hardy Boys books began to be published by Wanderer Books Simon & Schuster in paperback format. Though formatted differently from the original 58-volume series which continued under Grosset & Dunlap's control, these new books were published under the Hardy Boys Mystery Stories banner.
The Kuznetsov NK-25 is a turbofan aircraft engine made by the Soviet Kuznetsov Design Bureau and used in the Tupolev Tu-22M strategic bomber. One of the most powerful supersonic engines in service today, it is rated at 245 kN (55,000 lbf) thrust. The three shaft engine was designed in the years 1972–1974.
NK-43 (GRAU index 11D112): Improved version of NK-15V optimized for vacuum operation, used on the N1F second stage, never flown. AJ26-58 : NK-33 modified by Aerojet Rocketdyne . Planned to be used on the Kistler K-1 , but the project was cancelled and the engine was never flown.
An axlebox, also known as a journal box in North America, is the mechanical subassembly on each end of the axles under a railway wagon, coach or locomotive; it contains bearings and thus transfers the wagon, coach or locomotive weight to the wheels and rails; the bearing design is typically oil-bathed plain bearings on older rolling stock, or roller bearings on newer rolling stock.
The exhaust ports of a NK-12 in an outboard nacelle on a Tu-95. The Kuznetsov NK-12 is a Soviet turboprop engine of the 1950s, designed by the Kuznetsov design bureau. The NK-12 drives two large four-bladed contra-rotating propellers, 5.6 m (18 ft) diameter (NK-12MA), and 6.2 m (20 ft) diameter (NK-12MV). It is the most powerful turboprop ...
The NK-8 was a low-bypass turbofan engine built by the Kuznetsov Design Bureau, in the 90 kN (20,000 lb f) thrust class. It powered production models of the Ilyushin Il-62 and the Tupolev Tu-154 A and B models.