Recent content by MichaelB91

Would you happen to know what that should look like? In terms of the balloons diameter

Yes I do, I need to over the 2 pounds of gravitational force to get 3 pounds of buoyancy, which should give me 900 feet per minute accent. Even though they designed the balloon to go at a certain rate its possible to change it all, by adding less helium it will rise slower but go higher.

I am planning to do a high altitude balloon launch and I was wondering if anyone on this forum could help me figure out a few things. The payload+the balloon+the parachute= weigh around 2 pounds. I am looking to get 3 pounds of free lift (each pound of free lift equals 300 feet per minute...