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Jack O'Neill's name is attached to surfwear and his brand of surfing equipment. [8] Although the invention of the wetsuit had often been attributed to O'Neill, he was not its inventor. [9] An investigation concluded that UC Berkeley physicist Hugh Bradner was the inventor of the wetsuit. [10] [11]
Jack O'Neill was one of the originators of the use of neoprene for wetsuits. [2] [3] [4] O'Neill was a pioneering retailer of surfwear [3] and also sells lifestyle apparel and snow sports-related apparel. In May 2007 the ownership of the brand was sold to Sisco Textiles N.V., a holding company headquartered in Luxembourg.
Bradner and his company, EDCO, tried to sell his wetsuits in the consumer market. However, he failed to successfully penetrate the wetsuit market, unlike, for example Bob Meistrell and Bill Meistrell, the founders of Body Glove, and Jack O'Neill. Various claims have been made over the years that it was O'Neill or the Meistrell brothers who ...
A rifle is a firearm designed to be fired from the shoulder, with a barrel that has a helical groove or pattern of grooves ("rifling") cut into the barrel walls.The raised areas of the rifling are called "lands," which make contact with the projectile (for small arms usage, called a bullet), imparting spin around an axis corresponding to the orientation of the weapon.
In order to develop a weapon with a more reliable, higher rate of fire, General Electric designers scaled down the rotating-barrel 20 mm M61 Vulcan rotary cannon for the 7.62×51mm NATO ammunition. The resulting weapon, the M134 Minigun, could fire up to 6,000 rounds per minute without overheating. The gun has a selectably variable rate of fire ...
A centrifugal gun is a type of rapid-fire projectile accelerator, like a machine gun but operating on a different principle. [1] Centrifugal guns use a rapidly rotating disc to impart energy to the projectiles, gaining kinetic energy from steam, electricity or other engine source rather than gunpowder. The centrifugal gun was one of a number or ...
Orca specialises in high range wetsuits, with most wetsuits starting at around $250 up to $700 [4] with many of its products available worldwide. The company is recognised as a leader in introducing new technologies into triathlon. The Orca Apex 2 wetsuit uses AirLite - a world first neoprene technology. There are tiny air pockets trapped in ...
After entering the water, the bullet will continue its original trajectory. The user, when aiming the gun, needs to compensate for the refractive index of the water (roughly 1.333 for fresh water at 20 °C (68 °F)). [2] MEA series supercavitating ammunition is currently available in the following calibers: [2]