OK, this may sound strange, but I had this vision of a man descending off a rugged mountain peak with an oak tree helicopter. Im sure you have seen them. they are those whirly birds leafy things that spin out of oak trees. My idea is, have a large scale replica of a oak tree hellicopter. Have the aerodynamics sufficiently flexible and proportioned to accomondate the passengers weight. Attach it to a race bearing located at the foot, or "seed" area of the "OTH" this would allow the...