On 16 Dec, 15:22, "Bill Daniels" bildan@comcast-dot-net wrote:

The thing was a little messy. To see the smoke streamers clearly you needed
to be in a dimly lit room which quickly filled with kerosene smoke. That's
probably why it isn't used much anymore. Still, I'd love to have one.
Maybe a computer program could be just as good.

Everyone should -in my opinion - fly a tufted glider while training.

Ian