Martin states that he has spent 27 years designing and perfecting his jetpack. It stands about five feet tall and its rotors are encased in two large ducts; a three-legged tripod holds it at rest when on the ground. A 200 horsepower gasoline engine provides power to the rotors.
“If someone says, ‘I’m not going to buy a jetpack until it’s the size of my high school backpack and has a turbine engine in it,’ that’s fine,” Martin said. “ But they’re not going to be flying a jetpack in their lifetime.”
Okay, well, I guess I'm still waiting for my Gen-u-ine Heinlein jump harness, like the one in Stranger in a Strange Land (1961).
Boone ordered "Fly up to the Sanctum office and tell the Warden on duty that I want another pilgrim's badge at the Sanctuary gate right away. The word is 'Mars.'"
"'Mars,'" the kid repeated, threw Boone a Scout salute and made a sixty-foot leap over the crowd. Jill realized why the robe looked bulky; it concealed a jump harness.
(Read more about Heinlein's jump harness)
Orb Nomad Zero-Emission Electric Aircraft
'That explains how it was so easy for me to remain motionless in midair or to perch on a flagpole in imitation of a giant bird, even in the windy city of Chicago.' RH Romans, 1929.
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Tactile Skin Supplier Map
'What strange sensitivity! What an amazing development of science was manifested in every move and act and word of this Robot!'
Orb Nomad Zero-Emission Electric Aircraft
'That explains how it was so easy for me to remain motionless in midair or to perch on a flagpole in imitation of a giant bird, even in the windy city of Chicago.'
DIY Robot Scorpion Crushes It
'...it raised its front end off the ground and waved its antennae at them, then raised one armoured claw as if to snip them out of the sky.'