it took about a year for the first hot air balloon to be made.
I wish I knew
The first nonstop balloon flight around the world took 19 days, 21 hours, and 55 miles.
As long as they have flue to heat the balloon.
it took 50 years to build it was the wrights plane
25 years
25 years
A long balloon typically holds more air than a round balloon due to its shape and design, which allows for increased volume capacity. The elongated shape of a long balloon allows it to expand more when filled with air compared to a round balloon.
2 years
Hot air balloons, unlike zeppelins, are not intended to be used for long-distance or long-duration flights, and they do not have toilet facilities. If you are planning to go up in such a balloon, try to use a toilet on the ground, first.
5 weeks
Before you ask the questiion how long did it take to build, you must first ask yourself, "did they have enough financial support to build the International Finance Center?"
223 years