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Havells India Limited is an Indian multinational electrical equipment company, based in Noida.The company manufactures home appliances, lighting for domestic, commercial and industrial applications, LED lighting, fans, modular switches and wiring accessories, water heaters, industrial and domestic circuit protection switchgear, industrial and domestic cables and wires, induction motors, and ...
After initial studies on gas turbines in the late 1920s, Daimler-Benz lost interest in them until 1939 with the arrival of Karl Leist. Work began immediately on the DB 670 (aka ZTL 5000), a ducted fan with compressor feeding an afterburner, driven by a DB 604 X-24 engine delivering 1,864 kW (2,500 hp). At a weight of 3,748 lb (1,700 kg), with ...
In Turkish land forces service, the 300 mm TRG-300 Tiger MBRL system provides long range fire support. The TRG-300 Tiger MBRLS consists of two key parts: The launcher system (T-300) and the rocket, TRG-300. The T-300 MBRL is based on the German MAN Diesel (6×6) 26.372 10t cross-country truck chassis. Combat weight, complete with four rockets ...
Pages in category "300 mm artillery" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. 0–9. 30 cm Nebelwerfer 42;
Where noise is an issue, larger, slower-turning fans are quieter than smaller, faster fans that can move the same airflow. Fan noise has been found to be roughly proportional to the fifth power of fan speed; halving the speed reduces the noise by about 15 dB. [22] Axial fans may rotate at speeds of up to around 38,000 rpm for smaller sizes. [23]
Big Ass Fans is an American company that manufactures fans, evaporative coolers, and controls for industrial, agricultural, commercial and residential use. The company's headquarters is in Lexington, Kentucky , with additional offices in Australia, Malaysia, Singapore and Canada.
A turbofan or fanjet is a type of airbreathing jet engine that is widely used in aircraft propulsion.The word "turbofan" is a combination of references to the preceding generation engine technology of the turbojet and the additional fan stage.
Vinyl microgroove phonograph records typically yield 55-65 dB, though the first play of the higher-fidelity outer rings can achieve a dynamic range of 70 dB. [25] German magnetic tape in 1941 was reported to have had a dynamic range of 60 dB, [26] though modern-day restoration experts of such tapes note 45-50 dB as the observed dynamic range. [27]