Why didn't the Dynasphere become a success?

[C8H18Head]

Wouldn't it be fun to commission one for road use?

http://www.britishpathe.com/video/the-dynasphere-a...

[Deluded]

They do exist...

http://www.youtube.com/watch?v=K4YmVP6i4qw

but as you can see at 2:55, they're not very good :P

[Eighteeteewhy]

Her great, great grandson is still trying...



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