How do you calculate the lift of a balloon?
Compute the volume of the balloon, approximating it to a sphere with radius r = 11″/2 = 13.97 cm . Calculate the balloon’s lift weight by multiplying the volume by the mass a liter of helium can lift 1.0715 g .
What is a Japanese military balloon?
A Fu-Go (ふ号[兵器], fugō [heiki], lit. “Code Fu [Weapon]”), or fire balloon (風船爆弾, fūsen bakudan, lit. “balloon bomb”), was a weapon launched by Japan during World War II.
What is the biggest hot air balloon?
The biggest balloon at this year’s Fiesta also happens to be the biggest hot air balloon in the world. “It’s 44 meters (144 feet) wide. It’s 30 meters (98 feet) high,” balloon pilot Herman Kliensmit said. The massive Superbike came all the way from Holland and it takes a big crew to inflate.
How high do hot air balloons fly?
A hot air balloon can go as high as 3,000 feet. This is the standard for commercial hot air balloon rides that you may take while on vacation or experiencing a new activity in your community. The hot air balloons tend to fly between 1,000 and 3,000 feet.
How do you measure a balloon size?
Today, balloon size is conventionally chosen based on the patient’s height according to a simple formula: size = 0.1 x height + 10.
What is the volume of a balloon?
To determine the volume of a balloon in cubic feet, multiply the cube of the radius in inches by 1.333, multiply the result by 3.1416, and then divide by 1728.
What were Japanese fire balloons?
Between November 1944 and April 1945, Japan launched more than nine thousand balloon bombs—experimental weapons intended to kill and cause fires. The balloons, each carrying an anti-personnel bomb and two incendary bombs, took about seventy hours to cross the Pacific Ocean.
How big is the world’s biggest balloon?
Here you see several hundred balloons and everybody is walking around,” he said. It’s new to fiesta and according to the pilot it’s the biggest hot air balloon in the world. The Superbike balloon weights almost 1,300 pounds and is almost the size of two basketball courts.
What is the smallest hot air balloon?
A hopper balloon (simply hopper) is a small, one-person hot air balloon.
Can a balloon fly higher than a plane?
A balloon is the only stable platform for any type of observation above the range of airplanes and below the range of orbital spacecraft. It is also the only aircraft that does not affect its environment and the only device that can sit relatively motionless above heights obtainable by helicopters.
Can hot air balloons fly in rain?
Balloons do not fly in rain or storms. Unlike aircraft, a balloon cannot fly away from storms. The temperature of the balloon can reach 100°C, and rain falling on the balloon cools it and the hot air inside.