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YOUR RESEARCHsunroof buffetting
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Set button push
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i have not seen a two setting button push but will look.
Leading evidence: 'Set button push' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Set button push' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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hello everyone,
i have an observation i would like to share. while the windows are closed, but the sunroof open i get a rather pronounced wind vibration in the cabin, a sort of resonance. some speeds louder than others, but still there. if i close the roof say 2 inches, poof resonance gone. anyone else or am i crazy?
Yah acting air cooled does that
There is cracking a side window till it goes away or possibly differing the sunroof opening till it settles on no buffeting. Happens to everyone so you aren't cursed by the wind or car.
Isn't that why there are two "settings"? Click once and it opens all the way except for the last few inches, click the button again and it opens the rest of the way.
The manual says the first setting is optimal for noise.
hello everyone,
ah a good place to share here. i have not seen a two setting button push but will look.
barn, ne is a good place - that pile is only eight feet or so right? melting for last spring i suppose
WRT the OP, this is a phenomenon that has only recently shown up on cars. Some are worse than others. For example, my Toyota Highlander buffets so bad with the sunroof or one rear window cracked open you can’t stand it. You can actually feel the air pressure oscillate.
So my theory is this. Cars are becoming more and more aerodynamic as engineers try and squeeze every ounce of efficiency from the car to improve gas mileage. This makes the air flow over the surface of the car move at a higher velocity and the air flow is not disrupted by protuberances etc. When you create an opening on that surface it creates a venturi effect and momentarily breaks the air flow but as the small air volume of the car fills up quicker than it can escape it cause the air pressure to oscillate. When you open another surface you allow the air to escape and no pressure builds in the cabin. The buffeting is the change in air pressure as the low pressure area at opening is constantly trying to achieve equilibrium.
It's the same effect as blowing across the top of a bottle (Hemholtz resonator). Your car is a really big bottle so the frequency is very low. whump, whump, whump - know it very well.
I agree. My plow pushed this pile up to about 7-8 feet so I could get my Porsche in and out of the garage. Wonder what this winter will bring? As long as they get snow in the mtns.
