Do winglets produce thrust?

Nope not at all! ( Sorry Bernhard ) and that's why I cut out his posting

I just wanted to add to the tail of the 'discussion.'

Ian


"Eric Greenwell" wrote in message
...
tango4 wrote:

I'm amazed at the complete lack of understanding of the basic principles
of
physics displayed by some posters in this thread. No wonder people can
still
sell constant motion engines to investors!

Surely you don't mean Bernhard (my newsreader shows you replying to his
post)? His diagrams look correct.

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Eric Greenwell
Washington State
USA