Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Good for a laugh or a cry (Gravity Plane)

niky · 06-19-2014, 07:45 PM

My money says the idea works... And probably well, but it's enormously impractical. And the cost of helium!

And having a rigid airframe light enough to be bouyant... I wonder how fast you'd be able to get on the dive going into a headwind...

06-19-2014, 07:45 PM	#12 (permalink)
niky Master EcoModder Join Date: Aug 2010 Location: Philippines Posts: 2,173 Thanks: 1,739 Thanked 589 Times in 401 Posts	My money says the idea works... And probably well, but it's enormously impractical. And the cost of helium! And having a rigid airframe light enough to be bouyant... I wonder how fast you'd be able to get on the dive going into a headwind...