What actually causes buffeting? - Road Glide Forums
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post #1 of 51 (permalink) Old 06-08-2016, 02:21 PM Thread Starter
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What actually causes buffeting?

The buffeting on my new-to-me 2010 'Glide is kicking my ass and I don't want a taller shield.

Could a shorter windshield help or is the fairing actually the source of buffeting making a taller shield necessary?

... and please don't suggest Madstad.
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post #2 of 51 (permalink) Old 06-08-2016, 02:53 PM
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I don't believe their is a single answer, people seem to experience buffeting differently and for different reasons. Some people don't even believe it exists.

Some people have problems with the air coming over the top while others have issue with the air coming up from between the tank and fairing.

Try a stock size windshield with a lip to see if it will flip the air above you enough to take care of it.

Also, what type of helmet are you wearing? My Schuberth M1 is fantastic with the visor down but with the visor up and above about 60 mph I get some pretty good buffeting, worse when there is a cross wind.

When I test rode my glide there was an immense amount of wind noise right at the top of my helmet, much louder than my Road King without the windshield. It required a 14" Freedom Shield to get the air high enough to cut down on the noise.
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post #3 of 51 (permalink) Old 06-08-2016, 03:01 PM
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Try throwing up a pic or a description (height & lenght)

Posture, airspace speed, I ant figured out half of what some say, half ant figured out we either, fair supposed, some seem to get it when the bikes not moving? Is there a a blow test, some get from bottom to top and there's even side buffeting?

Top a my shield to sitting 2 -up is in line with my chin
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post #4 of 51 (permalink) Old 06-08-2016, 03:31 PM
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buffeting is caused by wind hitting you , short windshield isn't the answer , until the shield is better than half your height over the front edge of the fairing , you're gonna get it ..

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post #5 of 51 (permalink) Old 06-08-2016, 03:54 PM
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This works for me. My windshield is high enough that I can see over the top of it and see the pavement 50 feet in front of me. It also has a flair at the top to help direct the air. It's a Windvest 12".

I also have lowers. This helps stop the air coming at me from below.
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post #6 of 51 (permalink) Old 06-08-2016, 04:01 PM
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I'm 6'2" with a 32" inseam, I have lowers, fork deflectors, and a 14" windvest shield. That's what it took for me... Your results may vary
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post #7 of 51 (permalink) Old 06-08-2016, 04:13 PM
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The fairing creates a low-pressure area behind it. Nature abhors a vacuum, so air rushes in to fill it. It tumbles as it mixes with the surrounding slipstream and creates what we call buffeting. The vents help mitigate that low-pressure area, but they're not enough. Whether you want to hear it or not, the Madstad does away with the buffeting 100%. No, it's not the most attractive shield out there, but it does do the job better than anything else.
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post #8 of 51 (permalink) Old 06-08-2016, 04:24 PM
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Some guys even spaced their windshield away from the fairing a 1/2 inch to mimic the M.S. . Don't remember the results.
Also try the Dog dish and HD C.B. baffles.

2010 FLTRX , Stage 1, 13" Madstad, Mono tubes, SuperShox, Heritage style bars. Alpine CDE-HD149BT,Soundstream Picasso Nano Series PN4.520 , 5X7 and 6.5 Infinity Kappa speakers
If I have to explain ,you wouldn't under stand anyway.
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post #9 of 51 (permalink) Old 06-08-2016, 04:39 PM
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Quote:
Originally Posted by Big_gary View Post
Some guys even spaced their windshield away from the fairing a 1/2 inch to mimic the M.S. . Don't remember the results.
Also try the Dog dish and HD C.B. baffles.
I did that and it works great!
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post #10 of 51 (permalink) Old 06-08-2016, 04:42 PM
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I put my lowers back on this weekend after cleaning it from the road trip. Slightly better than the GADS, not sure if I will stick with them or go back yet. The wife hasn't ridden with them back on and want to get her opinion.

While I agree some buffeting is bad, and can make riding uncomfortable, it is a motorcycle. Some of the desire is to feel the wind, otherwise we would be in cars all the time. I don't want to ever get rid of feeling anything, otherwise I would just drive or buy a goldwing.

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