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The MMA welterweight class is therefore significantly heavier than the welterweight class of these other sports. For the sake of uniformity, many American mixed martial arts websites refer to competitors between 156 and 170 lb (71 and 77 kg) as welterweights. This encompasses the Shooto middleweight division (167 lb / 76 kg).
The official rules of shoot boxing define welterweights as between 65 and 67 kg (143 and 148 lb). In Olympic taekwondo, welterweight falls between 74 and 80 kg (163 and 176 lb). At the weight classes for the Olympic games it is between 68 and 80 kg (150 and 176 lb).
A typical turbocharged V8 diesel engine might have an engine power of 250 kW (340 hp) and a mass of 380 kg (840 lb), [1] giving it a power-to-weight ratio of 0.65 kW/kg (0.40 hp/lb). Examples of high power-to-weight ratios can often be found in turbines.
The engine is equipped with a turbocharger from the factory, operating at 7.7 pounds per square inch of boost. The engine uses 91 US octane minimum gasoline. The S4 has a dry weight of 370 pounds (170 kg), making it the second-heaviest stand-up ever made, second only to Sea-doo's 3D which had a dry weight of 580 lb (260 kg).
For example, Concorde cruised at 1354 mph, or 7.15 million feet per hour, with its engines giving an SFC of 1.195 lb/(lbf·h) (see below); this means the engines transferred 5.98 million foot pounds per pound of fuel (17.9 MJ/kg), equivalent to an SFC of 0.50 lb/(lbf·h) for a subsonic aircraft flying at 570 mph, which would be better than even ...
205 lb (93 kg; 14.6 st) Vacant – Middleweight: 185 lb (84 kg; 13.2 st) Vacant – Welterweight: 170 lb (77 kg; 12 st) Raymond Daniels: September 23, 2017 (Bellator Kickboxing 7) 1 Featherweight: 145 lb (66 kg; 10.4 st) Gabriel Varga: July 14, 2018 (Bellator Kickboxing 10) 2 Women's Flyweight: 125 lb (56 kg; 9.6 st) Denise Kielholtz
The unit of substance in the FPS system is the pound-mole (lb-mol) = 273.16 × 10 24. Until the SI decided to adopt the gram-mole, the mole was directly derived from the mass unit as (mass unit)/(atomic mass unit). The unit (lbf⋅s 2 /ft)-mol also appears in a former definition of the atmosphere.
The UFC's lightweight division, which groups competitors within 146 to 155 lb (66 to 70 kg) The Shooto lightweight division, which limits competitors to 145 lb (65.8 kg) The ONE Championship's lightweight division, with an upper limit at 77.1 kg (170.0 lb) The Road FC's lightweight division, with an upper limit at 154 lb (70 kg)