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The GBU-43/B Massive Ordnance Air Blast (MOAB, / ˈ m oʊ æ b /, colloquially explained as "mother of all bombs") is a large-yield bomb, developed for the United States military by Albert L. Weimorts, Jr. of the Air Force Research Laboratory.
HH-43A HH-43B Huskie in museum OH-43D Huskie in 1960 HH-43F (K-600) An HTK was tested with twin Boeing 502 turboshafts in 1954, this was the first twin-turbine helicopter. K-240 company designation from HTK-1/TH-43E K-600 proposed civilian counterpart of HOK-1 [29] K-600-3 civilian counterpart of H-43B [29] K-600-4 company designation of HOK-3 ...
For example, sulfuric acid (H 2 SO 4) is a diprotic acid. Since only 0.5 mol of H 2 SO 4 are needed to neutralize 1 mol of OH −, the equivalence factor is: f eq (H 2 SO 4) = 0.5. If the concentration of a sulfuric acid solution is c(H 2 SO 4) = 1 mol/L, then its normality is 2 N. It can also be called a "2 normal" solution.
Photograph blue as white; replaces C4 (#49) with a comparable filter factor as updated A and B2 F 29 Blueprints; photograph red as white Three-color separation A 25 Red alternatives include 22, 23, 23A, 24, 24A, 27, 27A, 28, 29 B2 58 Green alternatives include 40, 40A, 56, 57, 57A, 59, 59A, 60, 61 C4 49
In engineering and machining, an allowance is a planned deviation between an exact dimension and a nominal or theoretical dimension, or between an intermediate-stage dimension and an intended final dimension.
H-phrases Physical Hazards [5] Code Phrase H200: Unstable explosive H201: Explosive: mass explosion hazard H202: Explosive: severe projection hazard H203: Explosive: fire, blast or projection hazard H204: Fire or projection hazard H205: May mass explode in fire H206: Fire, blast or projection hazard: increased risk of explosion if desensitizing ...
The first two X-43A aircraft were intended for flight at approximately Mach 7, while the third was designed to operate at speeds greater than Mach 9.8 (10,700 km/h; 6,620 mph) at altitudes of 30,000 m (98,000 ft) or more.
Note that the dimensionless stress concentration factor is a function of the geometry shape and independent of its size. [4] These factors can be found in typical engineering reference materials. Stress concentration around an elliptical hole in a plate in tension. E. Kirsch derived the equations for the elastic stress distribution around a hole.