According to howstuffworks.com they use approximately 400,000 cubic feet of helium to keep all of the balloons in the parade afloat.
Initially, the balloons were air-filled and carried by string. Later, a mixture of low-density helium and air was used. quoted from howstuffworks.com
Oh, dude, a 10-pound tank can fill around 100 regular-sized balloons. But hey, if you're into those giant balloons that make you feel like you're in a Macy's parade, then you might only get like 10 of those bad boys filled. So, it really depends on the size of the balloons you're going for.
Helium is commonly used to fill balloons. It is non-flammable and lighter than air, allowing balloons to float.
you can play with them and blow them up and fill them with water and lots of balloons can make you fly
water and air
Dancers:In order to participate in Macy's Thanksgiving Day Parade, dancers have to audition and receive an invitation. Auditions for dancers for the 2011 parade were held at New York City's Binary Park on August 27. Any child from 12-16 could audition. Performers pay their own travel expenses plus an $895.00 participation fee. Bands:Bands must fill out an application, which is available at a Related Link below.
Helium gas is commonly used to fill party balloons because it is lighter than air, making the balloons float.
Helium is typically used to fill airships and balloons due to its low density, which allows them to float in the air.
heeleeum
If you want the balloons to float, you would probably use helium.
The number of balloons that can be filled from one cylinder depends on the size of the cylinder and the size of the balloons. Typically, a small cylinder can fill around 30-50 balloons, while a larger cylinder can fill over 100 balloons.
25 Balloons (Approx.)(I might be wrong as I am not sure)
Parade