Please do read these guides - they are based on a lot of experience flying (and sometimes losing) weather balloons.  Doing so will vastly increase your chances of success.

 

1. Everything you always wanted to know about HAB but were fraid to ask
2. Pre-Launch Check List for PITS
3. http://www.pi-in-the-sky.com/index.php?id=handy-hints
4. Successful Payload Recovery
5. How To Lose Your Flight (obviously, do the opposite!)
6. Chasing You Flight

 

Published on 5th June 2015