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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 ...
Duckpin bowling is a variation of the sport of bowling.. Duckpin balls are 4 + 3 ⁄ 4 in (12 cm) to 5 in (12.7 cm) in diameter, weigh 3 lb 6 oz (1.5 kg) to 3 lb 12 oz (1.7 kg) each, and lack finger holes.
Bowling balls vary, depending on the type of bowling. Ten-pin balls are about 8.59 inches (21.8 cm) in diameter, typically have three holes, and weigh from 6 to 16 lb (2.7 to 7.3 kg). The size and spacing of the finger holes on non-customized balls are generally smaller on lighter balls to accommodate smaller hands.
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 ...
Scale diagram of bowling pins and balls for several variants of the sport. The horizontal blue lines are 1 inch (2.5 cm) apart vertically. Bowling pins (historically also known as skittles or kegels) are upright elongated solids of rotation with a flat base for setting, usually made of wood (esp. maple) standing between 9 and 16 inches (23 and 41cm) tall.
Tenpin bowling is a type of bowling in which a bowler rolls a bowling ball down a wood or synthetic lane toward ten pins positioned evenly in four rows in an equilateral triangle. The goal is to knock down all ten pins on the first roll of the ball (a strike), or failing that, on the second roll (a spare). While most people approach modern ...
These machines will work with any ball of roughly the right size and weight, such as normal cricket balls or tennis balls. However, they usually work best with their own balls, bowling machine balls which are made of hard plastic, and are covered in dimples. These dimples are to help the spinning wheels grip the ball and, for example, improve ...
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.