yes
CuttingContrary to popular lore, footballs are not made of pigskin but rather from the hide of butchered cows. In the beginning steps of making a football, the entire side hide of a cow is used. Higher quality footballs are made from the rear hide of the cow hide, while lesser quality balls are made from the lower or belly area.A football shaped stencil, much like a cookie cutter, is placed upon the hide. A machine then presses upon the cutter and this cuts out a football shaped panel. This is repeated over and over until the entire hide has been used up making football panels.Pressing and SewingPressing the panels Once the panels have been cut, they are sent to a machine for pressing. During this step logos are placed upon a number of panels.After pressing, the leather panels are sewn together with a vinyl cotton panel to give it added strength and stability. Once all panels have liners, these lined panels are sewn together wrong side out. The only opening in the ball at this point is where the laces will be.The Finishing ProcessBreaking in the ends of the football The football is now placed on a machine that flattens the ends, and then on to a second machine that will break the ends in. Now the football needs to be turned inside out.In order to easily turn the football inside out it is placed in a steam box. This softens the leather and makes the turning process easier.A polyeurethane bladder is now inserted into the ball. The bladder holds the air in. Several pounds of air pressure are pumped into the ball in order to give it enough shape for the lacers to add the laces to the ball.Once the laces are on, the ball is then placed into a machine that puts over 100 pounds of air pressure in the ball. Once the ball comes out of this pressurizing machine, it goes back down to 13 pounds of air pressure and is then ready to be packaged and sent to its final destination, whether it is the Superbowl or a youngster's birthday party.
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Hangtime is how long the football is suspended in there air. The hand time is no more when the ball hits the ground or is caught.
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Well... It depends how big the football is really.
How much air goes in a 195/60 R15 tire
The air inside the semi-deflated football is able to expand due to the lessening of air pressure in higher altitudes.
When air pressure goes up, the liquid in a mercury barometer goes down. This is because as air pressure increases, it pushes the mercury in the tube to rise, indicating higher pressure.
Yes, temperature can affect the pressure of the air inside a football. When the temperature increases, the air molecules inside the football expand, causing an increase in pressure. Conversely, a decrease in temperature can result in a decrease in pressure. It is important to regulate and adjust the pressure of the football accordingly to maintain proper inflation levels.
76-90 kpa or 11-13 psi
21 psi
The pressure inside a football is caused by the air particles inside the ball being compressed by the addition of increasing amounts of air. The standard PSI of a professional football is 13 psi (Pounds per square inch).
air pressure
yes
When air pressure goes up, the temperature usually goes down. This is because as air pressure increases, the air molecules come closer together, which reduces their kinetic energy and therefore lowers the temperature.
yes