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The "Bell Helmet Company" was established as a division of Bell Auto Parts in 1956. [2] Bell introduced its Star model, the first full-face motorcycle helmet on the market, in 1968. [4] In 1971, Bell produced the first full-face off-road motorcycle helmet. [5] Bell made its first production helmet in 1954.
The Advanced Combat Helmet (ACH) is the United States Army's current combat helmet, used since the early 2000s. It was developed by the United States Army Soldier Systems Center , [ 2 ] the U.S. Army Special Operations Command , [ 3 ] and the U.S. Army Research Laboratory [ 4 ] to be the next generation of protective combat helmets for use by ...
The FAST RF1 High Cut Helmet System released in 2021 is a rifle rated ballistic helmet at an average of 3.5 lbs (1592 grams) able to protect against rifle rounds like the 7.62×39mm and 7.62x51mm due to the 0.400" (10.16mm) shell thickness. The different color options are tan 499, ranger green, MultiCam, black, and urban gray.
A bayonet mount A bayonet mount before and after insertion Early-19th century socket bayonet Socket of a bayonet. A bayonet mount (mainly as a method of mechanical attachment, such as fitting a lens to a camera using a matching lens mount) or bayonet connector (for electrical use) is a fastening mechanism consisting of a cylindrical male side with one or more radial pegs, and a female receptor ...
Since more advanced helmets began being used in the Tour de France, carbon fiber inserts are often used to increase strength and protection of the helmet. The Giro Atmos and Ionos, as well as the Bell Alchera, were among the first to use carbon fiber, MET Helmets furthered the use of carbon fibre by in-moulding a complete cage during manufacturing.
The T-mount is a standard lens mount for cameras and other optical assemblies. The usual T-mount is a screw mount using a male 42×0.75 (42 mm diameter, 0.75 mm thread pitch) metric thread on the lens with a flange focal distance of 55 mm and a mating female 42mm thread on a camera adapter or other optical component.
The Messerschmitt Me 262, nicknamed Schwalbe (German for "Swallow") in fighter versions, or Sturmvogel ("Storm Bird") in fighter-bomber versions, is a fighter aircraft and fighter-bomber that was designed and produced by the German aircraft manufacturer Messerschmitt.