Wire fly is very cheap and easy
first prototype ( You TUbe Inspiration ) - without battery this vehicle
can transport 6-8 kg ( 70 km/h )
http://youtu.be/g56wwlp4p7s
first vehicle for humen ( Youtube inspirtion THE SMALLEST HELICOPTER IN THE WORLD )
http://www.youtube.com/watch?v=wd99ziWFF7Q
MAROSZ'S FLY TOOL SYSTEM ( WIRE FLY )
http://2.bp.blogspot.com/-jv_dD7Sme1c/UKVgHtpkiVI/AAAAAAAAAGo/IKi_3qE9NE8/s1600/fly.JPG (http://2.bp.blogspot.com/-jv_dD7Sme1c/UKVgHtpkiVI/AAAAAAAAAGo/IKi_3qE9NE8/s1600/fly.JPG)
http://4.bp.blogspot.com/-5abnp5t-L4M/UKoaZEW5CuI/AAAAAAAAAM0/DE34NSghwW4/s1600/3d.JPG (http://4.bp.blogspot.com/-5abnp5t-L4M/UKoaZEW5CuI/AAAAAAAAAM0/DE34NSghwW4/s1600/3d.JPG)
MAROSZ'S FLY TRAM SYSTEM ( CITY , MOUNTAIN )
http://1.bp.blogspot.com/-iqNEwo9BOq0/UKobJOvbIkI/AAAAAAAAAM8/PfnQHFSz7MU/s1600/4g.JPG (http://1.bp.blogspot.com/-iqNEwo9BOq0/UKobJOvbIkI/AAAAAAAAAM8/PfnQHFSz7MU/s1600/4g.JPG)
MORE DETAILS
HTTP://TESLA4.BLOGSPOT.COM