Two-seater Hummel helicopter concept folds-up for easy storage
By Paul Evans
22:36 April 30, 2009

Hummel 2 seater helicopter folds up for easy storage, fits into a box trailer and can be flown on a 'sports' pilot license
Image Gallery (11 images)May 1, 2009 Looking something like a cross between the SoloTrek XFV (Exo-skeletal Flying Vehicle) backpack helicopter flown in the movie Agent Cody Banks and the Boeing V-22 Osprey tilt-rotor, the Hummel is a two passenger lightweight helicopter concept that features a fully enclosed cabin and tandem ducted rotors which offer the same stability as a conventional helicopter with a tail rotor. The extra twist - when you're done flying it folds into a box shape for easy storage and transportation.
Daniel Kocyba's Hummel design has many potential applications including air taxi, emergency services, coast guard, police, army, and not forgetting personal transport and recreation.
No technical specs are provided for the propulsion system, but given the size and folding ability of this micro helicopter it certainly won't require a heliport, could easily fit into a box trailer and can be flown on a 'sports' pilot license.
Paul Evans
Did this concept ever get off the ground (so to speak)?
Why Hasn't anyone designed a gyroplane using the ducted twin rotors in place of the conventional rotor? The gyros proven design should make it a lot easier to build something that will actually work and not have all the stability and control issues that all these concepts die from?
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Why is H so popular in my life? I love working with Hydrogen Generators and HHO kits, I want to convert an H2 Hummer, and now this great personal aircraft is introduced - the Hummel. Hmmm- just roll it out of the garage and fly it to the shop roof- I like it!