I lowered the screen so that the top-end takes me to the bottom of my chin . I dont appear to be getting any wind noise from beneath the helmet. I also changed the angle of the screen to be similar to the slope of the cowl....keeping the 1 inch gap between the cowl and the screen.
Havent been +60mph yet but so far appears much quieter up to 50.
I want to try increasing the angle of the screen (more vertical) and see what happens - I think I may have developed a little whistling noise....may be the screen, may be the helmet...more investigation required.
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