PART LIST FOR BALLOON LAUNCH (not including payload)
Item Source Approximate Cost
4 foot Weather Balloon Edmund Scientific $19 ea.
(nominal 8’) www.scientificsonline.com/products
Scientific Sales Inc.
Compressed Helium Welding supply outlet $30 plus deposit for tank
(40 cu ft.)
1000’ nylon string Hardware store $9
Spring snap Hardware store $1.50
(quick connect link
at end of string)
3" key ring or
other steel ring Hardware store $ .80 to 2.00
Fluorescent Hardware store $2.00 for 150’
flagging tape
(line markers)
Strapping tape Hardware store $3.00
Gloves