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Black powder substitutes are formulated to be a volume-for-volume equivalent of black powder, not an equivalent mass-for-mass (weight-for-weight). Black powder substitutes are measured by volumetric measurement techniques, not in grains on a scale, due to the difference in density compared to black powder.
The Trent 800 is the lightest of the three powerplants as it weighs 13,400 lb (6.078 t) dry, [167] while the GE90 is 17,400 lb (7.89 t), [168] and the PW4000 is 16,260 lb (7.38 t). [ 169 ] [ 166 ] For Boeing's second-generation 777 variants (777-300ER, 777-200LR, and 777F) greater thrust was needed to meet the aircraft requirements, and GE was ...
The specific weight, also known as the unit weight (symbol γ, the Greek letter gamma), is a volume-specific quantity defined as the weight W divided by the volume V of a material: = / Equivalently, it may also be formulated as the product of density, ρ, and gravity acceleration, g: = Its unit of measurement in the International System of Units (SI) is newton per cubic metre (N/m 3), with ...
See Weight for detail of mass/weight distinction and conversion. Avoirdupois is a system of mass based on a pound of 16 ounces, while Troy weight is the system of mass where 12 troy ounces equals one troy pound. The symbol g 0 is used to denote standard gravity in order to avoid confusion with the (upright) g symbol for gram.
During the 1930s, triple-base propellants containing nitrocellulose, nitroglycerin or diethylene glycol dinitrate, and a substantial quantity of nitroguanidine (detonation velocity 8,200 m/s (26,900 ft/s), RE factor 0.95) as explosive propellant ingredients were commercialized.
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- NYT ‘Connections’ Hints and Answers Today, Tuesday, January 7. Related: 15 Fun Games Like Connections to Play Every Day. Show comments. Advertisement. Advertisement. Holiday Shopping Guides.
Deadweight tonnage is a measure of a vessel's weight carrying capacity, not including the empty weight of the ship. It is distinct from the displacement (weight of water displaced), which includes the ship's own weight, or the volumetric measures of gross tonnage or net tonnage (and the legacy measures gross register tonnage and net register tonnage).