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The 40-yard dash is a sprint covering 40 yards (36.576 m). It is primarily run to evaluate the speed and acceleration of American football players by scouts, particularly for the NFL draft but also for collegiate recruiting. A player's recorded time can have a heavy impact on his prospects in college or professional football.
The Boeing 367-80, also known as the Dash 80, is a retired American four-engined jet prototype aircraft built by Boeing to demonstrate the advantages of jet propulsion for commercial aviation. It served as basis for the design of the KC-135 tanker and the 707 airliner. The Boeing 367-80 first flew in 1954, less than two years from project launch.
The 20-yard shuttle, also simply called the short shuttle, is a timed agility drill run primarily to evaluate athletes’ quickness and change-of-direction ability. Although not as highly regarded as the 40-yard dash, it is still an important measure used by NFL personnel to compare players. Canadian football also uses the shuttle test. [12]
The number system, like Sch 40, 80, 160, were set long ago and seem a little odd. For example, Sch 20 pipe is even thinner than Sch 40, but same OD. And while these pipes are based on old steel pipe sizes, there is other pipe, like cpvc for heated water, that uses pipe sizes, inside and out, based on old copper pipe size standards instead of steel.
[83] [84] For the 4×50 yard freestyle relay the next day, she swam the second 50 yard portion of the relay in 20.98 seconds, contributing to a final time of 1:25.70 and a silver medal-win. [ 83 ] [ 85 ] In her first final on the evening of day three, she placed fourth in the 100 yard butterfly with a time 50.09 seconds. [ 83 ]
Stanley Floyd (born June 23, 1961) is a retired track and field sprinter from the United States.He was a 1979 graduate of Dougherty High School in Albany, Georgia. [3] In 1980, he was considered one of the favorites for the 100m title but was denied his chance due to the United States boycott of the 1980 Summer Olympics.
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