Originally Posted by
PDR1
1. The microlight would never get fast enough to use the longeze wing at its efficient operating point,
2. and would have a much higher stalling speed than is permitted for microlights.
1. That's the thing - could it happen? maybe Yes, maybe No. At the moment, No, but - see below -
2. Yes, this is so and also there is a wing loading problem to solve, possibly both with a larger wing area.