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Maurice Louis Pinel Jr (1942 – March 5, 2021) was an American mechanical engineer, product designer and bowler.He is known for changing the game of ten-pin bowling with his innovative bowling ball designs, notably using asymmetric core masses which allowed the ball to curve more aggressively in its path down the lane.
The USBC and World Bowling promulgate bowling ball specifications. USBC specifications include physical requirements for weight (≤16 pounds (7.3 kg)), diameter (8.500 inches (21.59 cm)—8.595 inches (21.83 cm)), surface hardness, surface roughness, hole drilling limitations (example: a single balance hole including the thumb hole for "two-handed" bowlers [3]), balance, plug limitations, and ...
Their most notable brand name is Columbia 300, which has produced some of the most well-known balls in the sport. Beginning in 1960 in Ephrata, Washington (near the Columbia River), Columbia Industries was the first manufacturer to successfully use polyester resin ("plastic") in bowling balls. Prior to this, nearly all bowling balls were made ...
A 5-pin bowling pinsetter in use at a bowling alley in Toronto Pinsetters in operation at a bowling alley as seen from behind the lanes. In bowling, a pinsetter or pinspotter is an automated mechanical device that sets bowling pins back in their original positions, returns bowling balls to the front of the alley, and clears fallen pins on the pin deck.
Most bowlers use three holes (thumb and two fingers,). On past, one could drill additional holes on other parts of the bowling ball, to take additional weight off of a portion of the bowling ball, such as an axis hole that allows the bowling ball's hook to stabilize during its roll to the pins. Doctoring the bowling ball by adding additional ...
(The Center Square) — New York's population could decline by more than 2 million people over the next 25 years as fewer people are born in the state and more people move out, according to a new ...
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