Dynalifter Floats Like a Butterfly, Lands Like a Plane | Autopia | Wired.com.
He sees the technology taking the middle ground between cargo ships and jet service — faster than a boat, cheaper than a plane.
“They travel at optimum at about 140 knots,†Rist said. “As they get down to 80, you can save that much more fuel because the more the helium takes over.â€
He said that intercontinental delivery times would be comparable to second-day air service, with a transatlantic crossing taking as little as 23 hours.
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