"Spoiler", I knew there had to be a name. Thanks for putting in so much time and effort to write this. And with clean I mean an uninterrupted constant flow of air, the opposite of a turbulent air flow. It’ll be like Christmas in June! Research paper on the effects of windscreen flow on noise in motorcycle helmets. Tommy D. Tried all kinds of things to reduce noise, different bikes, different screens, different helmets over the years but have found only one that reduces it to an acceptable level. http://i494.photobucket.com/albums/rr310/swomack113/5C7E626E-DE44-418E-B0BC-D37ADFE95A44-989-000000F7A2944EA7.jpg, http://i494.photobucket.com/albums/rr310/swomack113/26851BAA-5CD5-4B97-8DB7-31239F24D8EB-398-00000098B4C8802A.jpg, http://www.memphisshades.com/metric-shades/batwing-fairing/wind-deflectors, Quote from: roadraider on December 26, 2011, 12:19:17 pm, SimplePortal 2.3.6 © 2008-2014, SimplePortal, Get technical support for your Stratoliner motorcycle or search for information before buying, Use the member map to find riders near you, Participate in our monthly virtual bike show (or at least vote), Get rid of these annoying boxes asking you to regsiter. Author Topic: Possible solution for buffeting behind fairing.

Both have a medium screen and both are exhausting to ride long stretches of highway on. I have a spare shield, should I experiment and cut one down inch by inch until it stops or get a clip for the top? Member; Posts: 316; Referrals: 0; Possible solution for buffeting behind fairing.

I have the clearview 6.5 black w/lip. Not surprisingly, helmet noise is caused by wind. So helmets are noisy. This is my first experience with a fairing. Get the fork mounted lowers, used to have to get them from aftermarket for the SG but now Harley builds them, saw them in the '14 catalog and ordered a set, much nicer than the old flat faced ones for the Electras, these are curved. This is my first experience with a fairing. With an upright riding position, with an angled screen, the sound level increases for higher screens. Mostly, it’s relatively easy to check if this is happening for you. Don’t it depend, David, on ow far it is from your bluddy earole? offered a free one at the hospital he taught at. The below picture shows another situation.

He said based on my occupation, hobbies and age that I should strongly take him up on his offer and I did. I had a Memphis Shades batwing fairing on my 1300.
Especially on those long stretches of highway. After this, my Buell 1125CR (naked), BMW R1150 Rockster (naked) and my Yamaha XJ600S (removed screen), were the most enjoyable on the highway.

Also not an ideal situation. Too right luv, too damn right!

...and here's the link to order them.

Years ago I was having custom made in ear monitors molded for my ears. Discussion on V-Twin Harley Davidson motorcycles including Dyna, Electra Glide, Softail, Sportster, and more. Remember you can always cut it. Do you guys have any issues with excess engine heat?

Hey Swomack and Snyper, merry christmas.....i do have a set of the memphis shades deflectors for my fairing...yall want me to put them on it and send some pics??? 9" works okay for me (highway) with the lower Sundowner seat.

As sound levels at low speeds are lower, thus less damaging to our ears, and we as motorcyclists typically ride fast, one could argue that the high speed values should weigh more when picking ‘the best’ setup. (Read 10765 times) JPenalver. This last part is especially important, because, as mentioned above, directly under the helmet is usually also the area where a lot of turbulent air is. there is no problem that can't be solved with the proper application of throttle!!! The audiologist learned about my auto repair shop and my Harley.
844 321. A payload fairing is a nose cone used to protect a spacecraft payload against the impact of dynamic pressure and aerodynamic heating during launch through an atmosphere.An additional function on some flights is to maintain the cleanroom environment for precision instruments. Again, it’s a creeping danger. Possible solution for buffeting behind fairing. Air enters in your helmet by vent holes, through your visor (even if closed) and at the bottom hole: you know, the part where your neck sticks out. If I had to take an educated guess, this is the order in which they influence helmet noise, ordered from most influential to least influential. The shorter the time, the louder the sound can be before hearing loss occurs. 10db is a doubling of apparent loudness to the human ear.

This results in no screen being the best with a score of 423, followed by a score of 428 for the straight screen at ear height. Typically, the more air entering your helmet the noisier it gets. For those of you who have a clip, can you recommend one? Most of the time, hearing loss goes in small increments, not noticeable to you. In other words, they try to make the motorcycle as aerodynamic as possible. very good article on general motorcycle aerodynamics. The kit not only provides some much need ventilation during these hot months but also eliminates most wind buffeting as well. In all cases the doubling of the speed from 40 km/h (25 mph) to 80 km/h (50mph) caused at least a 10 decibel increase. As your motorcycle moves through the air, it displaces the air. The screen is not as high as in the above picture. The 6.5 is my choice.

Hearing loss is not noticed instantly. Rod, I'm 6'4" and I use the Tall Boy seat. I’ve found the “Laminar Lip” to be very effective at breaking up and re-directing the turbulent air between rider and screen over the top of the helmet.

I switched to Sena;s low profile unit with the battery mounted to the back of the helmet and it made a huge difference.

I like em, do you remember if they were expensive? Just thinking out loud. Here’s a picture of the setup they used. Being a teaching doctor he’s asked when my last hearing test was ( over 30 yrs ago at the time) and The airflow hits our helmet in such a resonating frequency and with such force that it causes a very low droning sound. In the other two holes I used black faucet washers as spacers. I did the Stage 2 95", SE 203 cams, VH Oval slip ons and various other ornamental goodies. Factors influencing Helmet Noise I added all of the above to eliminate rain on my glasses. Anti- Buffetting Kit For the FXDXT Fairing $ 40.00. Klockwerks 8" flare and kuryakyn adjustable fairing deflectors. Nice post about the motorcycle windshields and motorcycle wind deflectors. When I put my legs up on the crashbars the buffeting goes away. Kinda like one of those big military cargo planes when they fly along and drop a tank on the runway.

Labradaddy; Lets see if this works. I bought a taller windscreen for my RK to try and stop the buffeting on that one. However in warmer weather this might not be the way to go. sharp at 52 years when I hear noises during test drives that customers both young and old never heard until I point them out.. Stock is width of the chrome trim piece. Also installed black fairing deflectors and black fork air baffle (photo). The baffle under the triple tree is black, and not visible. (Read 10765 times) JPenalver. We don't spam nor sell your email to others.

« on: September 01, 2011, 07:41:37 pm » I just traded my V Star 1300 in on my 2010 Strat Deluxe. In this article I take a deep dive, through science and experiences, into what exactly causes the noise and how it can be reduced by modifications to your motorcycle, your gear and hearing protection. However if you have a forward position on the bike it’s a three-way draw between no windscreen, the 40 degree angled screen at ear height and the straight screen at ear height.


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