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The USBC indicated that, effective August 1, 2023, it is certifying string pinsetters and string pin bowling as an independent category of equipment and competition separate from conventional free-fall pinsetters. [4] USBC lab data indicated strike percentage on string pin bowling is 7.1% lower, causing the USBC to plan additional testing to ...
The USBC indicated that, effective August 1, 2023, it is certifying string pinsetters and string pin bowling as an independent category of equipment and competition separate from conventional free-fall pinsetters. [34] USBC lab data indicated strike percentage on string pin bowling is 7.1% lower, causing the USBC to plan additional testing to ...
The USBC indicated that, effective August 1, 2023, it is certifying string pinsetters and string pin bowling as an independent category of equipment and competition separate from conventional free-fall pinsetters. [70] USBC lab data indicated strike percentage on string pin bowling is 7.1% lower, causing the USBC to plan additional testing to ...
It was the first 900 series approved by the USBC. Twelve perfect series were bowled in the ten-year period 1997–2008, and six were bowled in the two years 2009–2010. As of June 25, 2022, the USBC lists a total of 40 officially certified 900 series by 39 different bowlers, [ 23 ] with Robert Mushtare the only person to roll more than one.
Starting in October 2004, the PBA adopted an all-exempt national tour format. In this format, only 64 bowlers competed in most weekly events. Bowlers earned exemptions by winning a tournament during the previous season, winning one of the four major tournaments (thus gaining a multi-year exemption), placing among the top finishers in points, leading a region on the PBA Regional Tour (2005 ...
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.
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 ...
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