Mostly thinking out loud here. You may want to take a run down the road with that in place and see how the wind affects you. If it is buffeting you badly or any other kind of concern, then you can change it before you make the final shield. Then you can also play with things like an unturned lip at the top or wider bottom etc, if any adjustments are needed.
Easier to do it now than after your pour your heart and soul into making the perfect job of the windshield as metal is easier to form to what you want.
Is a cool look and I like it a lot, just looks to me like it would deflect the wind straight to my head. Just my thoughts.