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The Cavalry Stetson is a cavalry traditional headgear within the United States Army, typical worn by cavalrymen in the late 1860s, named after its creator John B. Stetson . In the modern U.S. Army, the Stetson was revived as an unofficial headgear for the sake of esprit de corps in the cavalry. Because they are not authorized by AR 670–1, the ...
The knot (/ n ɒ t /) is a unit of speed equal to one nautical mile (1.852 km) per hour, approximately 1.151 mph. The ISO Standard symbol for the knot is kn. The same symbol is preferred by the IEEE; kt is also common. The knot is a non-SI unit that is "accepted for use with the SI".
Per FAA standards, a properly functioning windsock orients itself to a breeze of at least 3 knots (5.6 km/h; 3.5 mph) and fully extends in a wind of 15 knots (28 km/h; 17 mph). [1] Per Transport Canada standards, a 15-knot wind fully extends the windsock; a 10-knot (19 km/h; 12 mph) wind raises it to 5° below the horizontal; and a 6-knot (11 ...
Measurement unit: knot. Full name: knot Plural form: knots Symbol: kt Category type: speed Scale factor: 0.51444444444444
Each torus knot is specified by a pair of coprime integers p and q. A torus link arises if p and q are not coprime (in which case the number of components is gcd ( p, q )). A torus knot is trivial (equivalent to the unknot) if and only if either p or q is equal to 1 or −1. The simplest nontrivial example is the (2,3)-torus knot, also known as ...
Blood loop knot ( dropper loop) – forms a loop which is off to the side of the line. Boa knot – binding knot. Boom hitch – attach a line to a fixed object like a pipe. Bottle sling (jug sling) – used to create a handle for a container with a narrow tapering neck. Bourchier knot – a variety of heraldic knot.
An F/A-18 Hornet creating a vapor cone at transonic speed just before reaching the speed of sound. The Mach number ( M or Ma ), often only Mach, ( / mɑːk /; German: [max]) is a dimensionless quantity in fluid dynamics representing the ratio of flow velocity past a boundary to the local speed of sound. [1] [2] It is named after the Czech ...
