which material did you choose for each panel of the sail? You still satisfied for which materials you chose?
Does this glider have the tip extenders on it?....are they worth it
I haven't flown a U2-160 with a laminate top surface since 2010 and can't recall.
P1 UVPXW10 White
Yes, there is always 'confirmation bias' with anything where there is a desired result. But when there is only curiosity and the desire to experiment and learn fresh then the 'confirmation bias' is manageable and can be filtered out. In the case of raked tips, I have used over a dozen different sets on many different gliders and have also used different installation methods or have tuned the tips based on the way I installed them. I have gotten dozens of different patterns of results and not all of these were favorable. There are a multitude of different design factors from size and shape through material selection and construction technique. I challenge anything to prove that they actually know how they work. You can forget about the NASA crescent wing shape research from the 1980's. Why that worked on a rigid general aviation aircraft wing or on a turboprop propeller may have little of nothing to do with why they work or don't work on a flex-wing hang glider. What matters most to me is that the tips can be installed in a consistent manner and yield a consistent effect on handling. What also matters is whether the tips can be fine tuned to suit the flying conditions and the pilot's personal preferences. Now what this short video and maybe you'll get a sense of what I'm talking about. Maybe not.
Objectively, they increase the span, as well as the Reynolds number and aeroelasticity of the tip.
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