I’m beginning to realize that motorcycling is a lot of trial and error. You can ask for advice, but until you actually go out and try something you really don’t know. And the funny thing is, what works great for one person is totally disappointing for another. Variables for bike and rider are situation at best, but at least it doesn’t sound like the fly screen is a pure cosmetic application. I have a coworker who rides, and he has had no luck finding a windshield he likes. So he is thinking about just going without and living with the wind. I just don’t like hanging on to the bars with a death grip at 50 mph and above. I have noticed that jacket material seems to have a slight effect. My wife’s Jacket is Leather over the shoulders and arms, but textile over the chest and back. My jacket is mostly leather, with some textile in the armpits and inner arms. I feel less resistance in my jacket. I wonder if leather is more aerodynamic or slippery? It seems to me like it makes a difference.