"Richard Riley" wrote in message
...
[...]
And, just to keep it on topic, the only planes that could take off
from a treadmill are the Osprey and the Harrier.

If you're going to try to stay on topic, you ought to at least try to get
the answer right. At this point plenty of sources, from individuals here in
this thread and the one we had a while back, as well as those cited in the
comments to the blog article referenced, have clearly stated the correct
answer.

Anyone attempting to refute the correct answer, however futile that effort
may be, at least owes it to themselves as well as the rest of us to take the
time to read and understand the references that explain the correct answer.

Pete