The standard ST 1300 screen I found noisy with the jet of air off the top of the screen meeting my helmet right at visor level.
I had success with lips on my previous two bikes so a new Laminar Lip was my starting point for the ST.
I have a theory, imagined, that lips (if ideally located) spread/mix/distribute, and 'soften' the jet of air streaming of the screen top, thereby making it quieter and not so intense.
I started with the Lip crest level with the top of the std screen - no good and made no difference.
Round 2: With the Lip about 1" higher (vertically) than the std screen - this was also not effective. I then rested the Lip for a month (removed). What to do?
Last attempt: One more try. (It worked so well on my FJR!) Lip top edge set 2" higher (vertically) than the std screen.....Success!.
Main testing was at the low std screen setting (screen not electrically raised). An excellent result. On the motorway test with raising of the whole screen a range of different, moderate sounds and 'breezes' can be found - very satisfying. I was about to order a plain touring screen and permanently retire the L Lip but will now stick with it.
The Lip does not improve the look of the streamlined ST, that is for sure but as a touring comfort consideration, it works very well and I will tolerate the visual impact (compromise needed).
The L Lip instructions do say a bit of trial and error is required and that is certainly so.
Cheers, D
I had success with lips on my previous two bikes so a new Laminar Lip was my starting point for the ST.
I have a theory, imagined, that lips (if ideally located) spread/mix/distribute, and 'soften' the jet of air streaming of the screen top, thereby making it quieter and not so intense.
I started with the Lip crest level with the top of the std screen - no good and made no difference.
Round 2: With the Lip about 1" higher (vertically) than the std screen - this was also not effective. I then rested the Lip for a month (removed). What to do?
Last attempt: One more try. (It worked so well on my FJR!) Lip top edge set 2" higher (vertically) than the std screen.....Success!.
Main testing was at the low std screen setting (screen not electrically raised). An excellent result. On the motorway test with raising of the whole screen a range of different, moderate sounds and 'breezes' can be found - very satisfying. I was about to order a plain touring screen and permanently retire the L Lip but will now stick with it.
The Lip does not improve the look of the streamlined ST, that is for sure but as a touring comfort consideration, it works very well and I will tolerate the visual impact (compromise needed).
The L Lip instructions do say a bit of trial and error is required and that is certainly so.
Cheers, D