Tenpin Bowling - Equipment
Tenpin bowling is a game in which two main pieces of equipment are used. These equipments consist of a ball and ten pins. The player must hit the pins with the ball.
A bowling ball is one of the basic bowling equipment that is used to hit the pins in the game. Previously in the 1960s, hard rubber balls were used in the game which were replaced by polyester balls in the 1970s.
In the 1980s, polyurethane was introduced to make the balls. In modern bowling, reactive resin balls and particle balls are used.
The way the finger holes are arranged on the ball which decide the movement of the ball in the lane. There are three finger drills on a bow ballling to carry the ball with your fingers. In the United States, players prefer balls with exercises intended for their middle and ring fingers as well as the thumb with which they will throw the ball.
The ball used is generally not shallow on the inside. The diameter of a ten pin bowling ball is 8.5 inches with a circumference not exceeding 27 inches. The weight of the ball must be less than a maximum of 16 pounds. Except for the grids, the ball has a smooth surface.
The pins are used as target in the game of pins. The height of a bowling pin is 16 inches and the width is 4.7 inches. The weight of the bowling pin should be between 3 pounds 6 ounces and 3 pounds 10 ounces. a set of pins, the weight of a single pin should not exceed 4 ounces if there is wood or plastic coverings.For a synthetic pin, the weight should be 2 ounces.
The top of a pin should have a uniform arc with a radius of 1.273 ± 1⁄32 inch. Each bowling pin I allowed only 2 voids in the belly area. The voids are needed to balance the narrower upper part with the wider lower part, otherwise the pin would be too heavy to fall properly.
The pins are usually made of maple wood with rock stocks glued to its bottom. The outer part is covered with plastic. In some cases, synthetic materials are also used instead of wood. Synthetic pins are not permitted in ten pin bowling.