Documents 1 Long Duration Flight Techniques. 2 Continuous Vent Hole – Latex balloons Conduit Pipe with 1/16....

Slide 11 Long Duration Flight Techniques Slide 2 2 Continuous Vent Hole – Latex balloons Conduit Pipe with 1/16 hole in end cap Slide 3 3 Continuous Vent Hole – Latex…