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Old 04-18-2005, 02:19 PM   #1
Undepelo
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Default Why 1 "wing" on driver side and 0 on passenger wiper?

I just replaced the wiper rubber blade the other day and it made me curious on the small wing that the driver side blade has. If it improves the blade performance or just the aerodynamics of the blade, why wouldn't the passenger side blade have one too? Any thoughts?
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Old 04-18-2005, 02:21 PM   #2
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The "wing" keeps the wiper down on the glass even when at high speeds. Ever see your wiper "leave" the glass when driving fast or in high winds? This stops that. As for just having it on the drivers side well the passenger doesn't need to see as well so the hell with them.
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Old 04-18-2005, 02:25 PM   #3
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Quote:
Originally Posted by conker69
The "wing" keeps the wiper down on the glass even when at high speeds. Ever see your wiper "leave" the glass when driving fast or in high winds? This stops that.
I see... Makes sense.
Quote:
Originally Posted by conker69
As for just having it on the drivers side well the passenger doesn't need to see as well so the hell with them.
Then why even have the wiper?
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Old 04-18-2005, 02:32 PM   #4
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If you have issues with the blade lifting at high speeds try to find these:



There are no armatures so there is less wind resistance. They also don't freeze up in winter. I have a pair and they work great.
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Old 04-18-2005, 03:02 PM   #5
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thats just plain weird.
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Old 04-18-2005, 03:07 PM   #6
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I made a post about this a while back. I remember someone said that the reason that there is not one on the passenger side is because that windshield wiper arm goes past 90 degrees,and if it had a "wing" on it, it would lift the blade up since the force of the air would be comming from the other side once it goes past 90 degrees.

Found my thread:
http://forums.nasioc.com/forums/show...shield+spoiler
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Old 04-18-2005, 05:03 PM   #7
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Quote:
Originally Posted by conker69
The "wing" keeps the wiper down on the glass even when at high speeds. Ever see your wiper "leave" the glass when driving fast or in high winds? This stops that. As for just having it on the drivers side well the passenger doesn't need to see as well so the hell with them.

Close, but not quite. Look at the JDM wiper arms, no wing on the right side one there, either, but that's thier drivers side. My theory is that the scoop causes some turbulance behind it, and the wing on that side helps it stay on the glass when it's down. Just a theory, though.
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Old 04-18-2005, 05:06 PM   #8
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Quote:
Originally Posted by HondaH8er
Close, but not quite. Look at the JDM wiper arms, no wing on the right side one there, either, but that's thier drivers side. My theory is that the scoop causes some turbulance behind it, and the wing on that side helps it stay on the glass when it's down. Just a theory, though.
That wouldn't explain why other cars without hood scoop have it too, like my mother-in-law's BMW X3.
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Old 04-18-2005, 05:10 PM   #9
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I'm not even gonna guess about other cars, I'm just talking about Subarus. Like I said, it's just a theory I have, I have no idea if it's true. But I do know it's not just on the one side because they don't care about the passenger, because it's only on the one side no matter which side the passenger sits on.
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Old 04-18-2005, 05:45 PM   #10
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The passenger side wiper isn't as big as the driver's side. Maybe the size has something to do with it.
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Old 04-18-2005, 07:14 PM   #11
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Write to SOA.
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Old 04-18-2005, 07:49 PM   #12
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Are those reflex blades any good?
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Old 04-18-2005, 07:55 PM   #13
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My theory is that it isn't some engineering marvel, rather it's just there to serve as a handle to easily lift the wiper arm for the guy that wants to clean your windshield for a buck. The other side doesn't have one to reduce cost.

P.S. I'm probably wrong, heheh...
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Old 04-18-2005, 08:05 PM   #14
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try forcing one of the wipers to go up (dont actually try this) but both wipers will move up although you are only moving one. therefore it makes sense placing the wing on the upper arm. therefore the downforce is applied to one arm which in fact controls the one below. thats my thought on it
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Old 04-18-2005, 09:38 PM   #15
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The pair of wipers that I put on ("high performance"...) have little wind deflecters of their own on both sides... and no they're not some stupid flashy pieces, they're just black little things and you couldn't even tell at a glance.. and they work great at 100+km/hr
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Old 04-18-2005, 11:05 PM   #16
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Quote:
Originally Posted by jetfan2207
I made a post about this a while back. I remember someone said that the reason that there is not one on the passenger side is because that windshield wiper arm goes past 90 degrees,and if it had a "wing" on it, it would lift the blade up since the force of the air would be comming from the other side once it goes past 90 degrees.

Found my thread:
http://forums.nasioc.com/forums/show...shield+spoiler
think this theory is the most plausible.

Bryan
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Old 04-18-2005, 11:40 PM   #17
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is it just me or are these factory wipers really horrible.. I already had one replaced under warranty.. and it was only good for about a week.. i dont even use them a lot..
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Old 04-19-2005, 09:38 AM   #18
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Quote:
Originally Posted by districtlogic
try forcing one of the wipers to go up (dont actually try this) but both wipers will move up although you are only moving one. therefore it makes sense placing the wing on the upper arm. therefore the downforce is applied to one arm which in fact controls the one below. thats my thought on it
The wing doesn't help the blade move along the glass.. it keeps it pressed into the glass so that it doesn't lift away from it, leaving a blur right in front of the driver's vision. Of course the wipers are connected for their wiping motion, but they are sprung to the glass independantly.

Maybe I just didn't understand what you were trying to say at all.
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Old 04-19-2005, 09:44 AM   #19
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screw wipers....Rain-X!!
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Old 04-19-2005, 10:40 AM   #20
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Quote:
Originally Posted by wrxer12
Are those reflex blades any good?
Very good.
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Old 04-20-2005, 02:20 AM   #21
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I can't find the Reflex wiper blade but to replace that, you can try to get Innovision Wiper Blade. They sell it around $12-14 each depending on the size

- Charles
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Old 04-20-2005, 08:35 AM   #22
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Quote:
Originally Posted by Beaverboy
The wing doesn't help the blade move along the glass.. it keeps it pressed into the glass so that it doesn't lift away from it, leaving a blur right in front of the driver's vision. Of course the wipers are connected for their wiping motion, but they are sprung to the glass independantly.

Maybe I just didn't understand what you were trying to say at all.
I think distrologic got his dimensions mixed up, because the wipers lift from the glass independently but move along the glass together. Anyways my friend has a 325Xi and he has the little wiper wing just like Subys do only on the driver's side.
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