last changed : 01/10/2003
4m (13 ft) diameter solar balloon
Build a 4m (13 ft) diameter solar balloon
Use a 4m (13 ft) diameter solar balloon
4m (13 ft) diameter solar balloon data
xls files and gore layout
(in french)
Required hardware for solar balloons
(in french)
Build a 4m (13 ft)
diameter solar balloon