Highball Footage, utterly fascinating stuff...

[tdm34]

I've seen some of this stuff before, but thetests over dry land are new to me

http://www.youtube.com/watch?v=8zBp1NCbAr0&fea...

[tdm34]

If you think about it forward spin on dry land makes sense, if it was back spun the first bounce is very likely to hit the aircraft!