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The trend McCune had started was perfectly legal at the time, but soon led to new PBA and ABC (now USBC) rules related to altering a bowling ball surface. However, bowling ball manufacturers took note, and began producing softer surface equipment like the Columbia 300 yellow dot and Brunswick LT-48, which each checked in at 55 to 60 on the ...
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 ...
Lane shine: A partial misnomer, lane shine is the change in the surface of bowling balls due to contact not only with oil from the lane, but also the pit, carpet area, elevator and return system. [65] Lane shine affects the entire ball surface, not only the track. [65] Over time, lane shine changes a ball's reaction. [65]
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.
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.
Jessica DeCristofaro was diagnosed with stage 4B Hodgkin’s lymphoma, a rare form of cancer, at 28 years old. Here, she shares her story and what doctors missed.
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