Main Rotor Dia:
Tail Rotor Dia:
5 ft. 8 in.
5 ft. 6 in.
One company even went so far as to draw a high resolution photo realistic CAD representation of their helicopter and superimpose that onto an image of a helipad and then claimed it to be real.
There are other ultralight helicopters than the G-1 Helicopter that really do fly and I would say that they should get the title as "world's smallest helicopter". Specifically, the mosquito ultralight. Here is a link: http://www.mosquito-helicopter.info. They also have videos that can be downloaded. - Dennis Hawkins"
Thank you, Dennis, for the information.