"Andy Burns" wrote in message
o.uk...


I don't know who NALSA are, other than what is says on their website, but
I'd expect their observer to be able to spot a heavy flywheel, a set of
pedals or batteries and motors hidden within the polysytrene ...

http://www.nalsa.org/DownWind.html

Well they aren't doing it by wind power driving the wheels when they get to
an effective zero wind speed, which they must do.
It has to be done by storing energy or the whole thing is just a joke/fraud.
They can't even claim its the sails (turbine) crossing the wind like a land
yacht as its completely different.
In fact once they pass the wind speed the turbine should reverse as the wind
flow has reversed. I notice it didn't.