> > After reading the long thread about Directly Down Wind Faster Than The =
Wind
> I saw a lot of the regulars were not believers.
> > Have any of you seen any facts that made you change your mind?
>
> "Believers?"
>
> Can you explain any physical mechanism whereby any wind-powered
> vehicle could outrun
> the wind that's powering it? (skateboarding down a 20% grade doesn't
> count!)
>
> Or are we talking about going sideways, or tacking upwind, which are
> entirely different
> phenomena?
>
> Thanks,
> Rich
Did you examine any of the videos?