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pyrOman
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Joined: July 21, 2003
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 Posted: Thu Aug 17, 2017 7:04 am Post subject: Vent Windows |
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I remember way back when a craze of removing the vent windows and installing "one piece" windows was the "look" to have. As it is said "there's nothing new under the sun", I just noticed these 2 pictures in the gallery which don't look to be photo chopped. Apparently splits did not have the vents but ovals did!?! Was that a US vs Euro spec thing? 
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Erik G
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Joined: October 16, 2002
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Location: Tejas!
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pyrOman
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Joined: July 21, 2003
Posts: 12408
Location: Over 2002 posts deleted!
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| Posted: Thu Aug 17, 2017 10:50 am Post subject: Re: Vent Windows |
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Funny how I never really noticed that! 
FWIW, I don't like the vent wing windows. After taking a bee to the face, I NEVER open them anymore! 
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raygreenwood
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Joined: November 24, 2008
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Location: Oklahoma City
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| Posted: Thu Aug 17, 2017 12:32 pm Post subject: Re: Vent Windows |
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If you want to see something cool...the 411 and 412 did not have a vent window. Instead they ground a notch in the upper forward edge of the driver and passenger door windows...about 3/4" deep.
The windows roll up into the door frame very deep so when you roll the window down 3/4"....it exposes a 1 foot long vent strip. This is draft free ventilation and flows along the roof liner to the back valance and is pulled out the louvers behind the rear quarter windows on the sedans and out of the porthole gills on the wagon.
Ray |
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Erik G
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| Posted: Fri Aug 18, 2017 10:25 am Post subject: Re: Vent Windows |
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| raygreenwood wrote: |
If you want to see something cool...the 411 and 412 did not have a vent window. Instead they ground a notch in the upper forward edge of the driver and passenger door windows...about 3/4" deep.
The windows roll up into the door frame very deep so when you roll the window down 3/4"....it exposes a 1 foot long vent strip. This is draft free ventilation and flows along the roof liner to the back valance and is pulled out the louvers behind the rear quarter windows on the sedans and out of the porthole gills on the wagon.
Ray |
You mean like they did in the 40's like the one pictured above?
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raygreenwood
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Joined: November 24, 2008
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Location: Oklahoma City
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| Posted: Fri Aug 18, 2017 11:19 am Post subject: Re: Vent Windows |
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| Erik G wrote: |
| raygreenwood wrote: |
If you want to see something cool...the 411 and 412 did not have a vent window. Instead they ground a notch in the upper forward edge of the driver and passenger door windows...about 3/4" deep.
The windows roll up into the door frame very deep so when you roll the window down 3/4"....it exposes a 1 foot long vent strip. This is draft free ventilation and flows along the roof liner to the back valance and is pulled out the louvers behind the rear quarter windows on the sedans and out of the porthole gills on the wagon.
Ray |
You mean like they did in the 40's like the one pictured above?
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Ha!....actually I just noticed that in your picture  ...dammit...my two glass eyes are just not working!
Yep!...just like that! 
So they actually pulled a page out of the old school book on the 411/412!
Thanks! Ray |
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hitest
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Joined: September 30, 2008
Posts: 10296
Location: Prime Meridian, ID
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| Posted: Fri Aug 25, 2017 7:30 pm Post subject: Re: Vent Windows |
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I'll say this though- those are a little scary! Riding in a buddy's '51 and watching the glass wobble around when rolled a few inches down is downright nerve wracking! I kept thinking it would work it's way out of the regulator and vanish! When it's rolled up into vent position, or all the way down- no problem. 
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| EverettB wrote: |
I wonder what the nut looks like.
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'62 L390 151, '62 L469 117, '63 L380 113, '64 L87 311, '65 L512 265, '65 L31 SO-42, '66 L360 251, '68 L30k 141, '71 L12 113, '74 ORG 181
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Busstom
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Joined: November 23, 2014
Posts: 3850
Location: San Jose, CA
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| Posted: Mon Aug 28, 2017 12:26 pm Post subject: Re: Vent Windows |
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Here's an example from a '51 Beetle that I snapped at Kelley Park in April of 2016.
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Sharp64
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| Posted: Mon Aug 28, 2017 1:54 pm Post subject: Re: Vent Windows |
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| pyrOman wrote: |
Funny how I never really noticed that!
FWIW, I don't like the vent wing windows. After taking a bee to the face, I NEVER open them anymore! |
Hah! Once has a bee fly straight down the back of my shirt through the ragtop and sting me in the middle of the back!! 29 years ago and I remember it like it was yesterday.
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KTPhil 
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Joined: April 06, 2006
Posts: 34012
Location: Conejo Valley, CA
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| Posted: Mon Aug 28, 2017 2:20 pm Post subject: Re: Vent Windows |
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I had one sting me on the left arm as it splatted into it, hung over out window sill. Can't blame the vent wing for that one.
Temperature calibration: In the relatively dry heat of SoCal, the vent wing cools you off through evaporation of perspiration at road speeds of 30 mph and up. This holds for outside temps up to 102 degrees. By 1-4 degrees, it's like a hair drier, making you hotter. |
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Erik G
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raygreenwood
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Joined: November 24, 2008
Posts: 21519
Location: Oklahoma City
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| Posted: Mon Aug 28, 2017 8:42 pm Post subject: Re: Vent Windows |
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| Erik G wrote: |
| I always assumed they were for smokers, ventilating the cabin from the fumes |
Not sure of the actual reason on early cars.....and they were good for smokers on later cars like the 411/412....but on the 411/412 they were an active part of the flow through ventilation system to keep the rear window and quarter windows dry in humid weather.
It was in the manual. They work quite well!
Hitest....why would you think those windows "flop around"? They are full held in the window channel grooves. No vibration at all.
If your buddy's glass was wobbling....thats a different problem altogether. I will post some pictures from the type 4 in the am. Ray |
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sled
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Joined: February 16, 2005
Posts: 6179
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| Posted: Tue Aug 29, 2017 6:43 am Post subject: Re: Vent Windows |
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yes, I would say that floppy window glass is due to worn out seal channels. a 'restored' set of split window channels will not flop around at all.
the cut in the window may be for smokers, but it is also to allow airflow through the cabin. march of 1951 and earlier cars did not have 'crotch coolers' but from april 51 to september 52 they did, and by opening the window sightly it allows the crotch coolers to work significantly better. otherwise the cabin is a tight air space not allowing air flow.
but...vent wings work much better! price we pay to have splits 
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raygreenwood
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Joined: November 24, 2008
Posts: 21519
Location: Oklahoma City
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| Posted: Tue Aug 29, 2017 11:46 am Post subject: Re: Vent Windows |
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Here is a late example of this technique. While it is "somewhat" useful for a smoker.....its not really what its for in this car, although it does sweep smoke in the car upward along the head liner and it flows out the louvers at the rear.
Its for draft free ventilation at highway speed. Sorry for the poor pictures. I had to put something behind the glass so I could see it.
Some of the earlier 411 2 doors and later four doors had a slightly bigger/deeper ground glass vent area. Ray |
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