8.5 - 15.6 PSI. Ball pressure is the same for all 3 soccer ball sizes. Underinflated ...
From this you can see that a size 4 soccer ball should have an air pressure of between 8.5 ...
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The size 5 ball is spherical, made of leather or other suitable material, of a circumference of not more than 70 cm (28 ins) and not less than 68 cm (27 ins), not more than 450 g (16 oz) in weight and not less than 410 g (14 oz) at the start of the match, and of a pressure equal to 0.6 – 1.1 atmosphere (600 – 1100 g/cm2) at sea level (8.5 lbs/sq in 15.6 lbs/sq in).
FIFA laws state the air pressure in a regulation ball must be between 8.5 psi and 15.6 psi. Before every game, referees check the ball to make sure it is suitable for play. Effects of Air Pressure. When a soccer ball is inflated with less than 8.5 psi, it is more difficult to kick and send down the field and is considered too flat.
If your soccer ball has a recommended air pressure of 11.60 PSI, you’ll need to multiply that value by 0.068948. 11.60 x 0.0689476 = 0.799 BAR (which can be rounded up to 0.8) Before Inflating Your Football
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Air Pressure: 8.5-15.6 PSI 0.6-1.1 bar: Use for: Size 5 is used by adults and youth from age of 12 and up. This is the official ball in professional leauges and championships. Size 5 is also used in high school soccer. Ball Size 4: Circumference: 25''-26'' (63.5 - 66 cm) Diameter: 8''-8.3'' (20.5 - 21 cm) Radius: 4''-4.15'' (10 - 10.5 cm) Weight:
The mass of a Size 5 Soccer Ball is between 14-16 oz (400-450 g) with a pressure between 8.5-15.6 psi (58.6-107.6 kPa). Footballs (Soccer balls) are the primary piece of equipment for the game of football (soccer). come in a series of successive sizes. The underlying reason for the variety of different soccer ball sizes is for the smooth and safe development of young players as they grow in skill and age.
Adjusting the ball pressure is a big factor in reducing the ball’s mass. Ideal Pressure Settings for Brain Safety. Deflating a ball isn’t rocket science. But knowing whether you should or shouldn’t adjust the air pressure of a soccer ball can be tricky. After all, there are rules and regulations that all teams have to adhere to such as a mandatory ball size - size 4 and 4.5 being the usual requirement for youth soccer.