Original sentence: REDIRECT YH-32 Hornet
Edited sentence: A total of 12 were produced for the United States Marine Corps.It featured a two blade rotor system and a Nelson H-59 Engine which produced.Its empty weight was  and it could carry a load of.The Hiller ROE-1 Helicycle was a single seat ultralight helicopter designed in 1957.The aircraft was commonly referred to as the Hiller "Helicycle" or "Rotorcycle".The helicopter folded up and could be carried on a sled-like carrier by two people.The various military branches considered this, and similar helicopter designs, to be ideal for infantry personnel, however the aforementioned problems, coupled with very limited payload capacity prevented this use too.This helicopter caused many people to think small, personal helicopters would soon be developed and become commonplace; however difficult flying characteristics and high production costs prevented this from occurring