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| David Mayman flies the JB-9 Jetpack |
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information that we have taken from Gizmag.
The dream of
personal flight took a great leap forward last week as Jetpack Aviation
unveiled its JB-9 jetpack in spectacular fashion. Lifting off from a boat,
inventor and aviator David Mayman flew the powerful, agile JB-9 around the
Statue of Liberty, pausing to salute and pirouette before touching back down.
Running on kerosene and using two vectored jet engines, the JB-9 can reach high
speeds and altitudes and offers a flight time over 10 minutes, depending on
pilot weight. We spoke at length with Mayman to discover how the JB-9 works and
how long it'll be before we can buy one.
Introducing Jetpack Aviation
Jetpack
Aviation is the brainchild and passion project of Australian businessman David
Mayman. "I've been flying it off the public radar for some time,"
Mayman told us this morning. "It was time to bring it out of the closet,
so to speak. I've spent my life in software and mining and fairly sensible
occupations, but my overriding passion has been to build a jetpack, since I was
very young. Nelson Tyler and I got together 10 years ago - he's an extraordinary
engineer and inventor based in Hollywood. And that's really what's made it
possible."
In Tyler,
Mayman found the perfect partner. Tyler had worked on the Rocketbelt flight
project at the 1984 Olympics, and for the last 45 years had been every bit as
obsessed as Mayman with the idea of building a proper portable jetpack with
decent endurance that anyone could fly. And the JB-9 jetpack they have just
demonstrated is really the first design that meets most people's expectations
of what a real jetpack should be.
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| JB-9 Jetcpack Suite |
The JB-9 Jetpack
"It's a
jet and a backpack," says Mayman, alluding to the fact that many
competitors are, well, neither. "It can take off vertically. With no fuel
in it, I've jogged about a kilometer with it strapped to my back. Even full of
fuel I've jogged a few hundred metres. There's a large suitcase that our whole
JB-9 will fit into. It'll fit in the back of a car. The little handles fold up
but that's about it."
And the
total endurance for the JB-9? "10 minutes plus, depending on pilot
weight," says Mayman. "For the technically minded, it also depends a
little bit on temperature, altitude and that kind of thing, but that's by no
means as significant as the total pilot weight."
The device
can carry a total of 10 gallons of fuel, which it burns at around a gallon a
minute. And the fuel itself is simple: kerosene. Cheap, safe and easily
available from your local service station.
The JB-9
uses a carbon-fiber corset that straps to the pilot's back, with the majority
of the "backpack" section carrying fuel. Mounted to each side is a
small jet turbine engine that provides upward thrust. These engines mix ambient
air with their exhaust gases to bring temperatures down to a comfortably warm
airstream, but Mayman still wears a fireproof Nomex suit just in case:
"The exhaust temperature actually declines really quickly. It's still
warm, don't get me wrong. On a cold night it's exactly what you want running
next to you, but it's not something that sets the ground on fire."
Test Flight Video
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