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Old 04-06-2018, 01:28 PM   #1
1930artdeco
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Default Wind pressure on wiper arm

I, uh got caught in the rain on a tour. Well I have a semi usefull vacuum wiper that did wel for what it is. I was thinking about maybe soldiering a small 'air dam' on the arm to use the wind to keep it on the glass. What do you all think? Will it work or would I need a huge air dam for it tao actually work?


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Old 04-06-2018, 01:56 PM   #2
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Default Re: Wind pressure on wiper arm

Rain-x, my dads van wipers quit working in the rain, he then remembered me talking about rain-x, he put it on and made it home.
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Old 04-06-2018, 02:34 PM   #3
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Default Re: Wind pressure on wiper arm

yup rain x all the way. do they still sell the little bottle of pure rain x? not the spray bottle of window cleaner with rain x...

Old stuff came in like a lighter fluid plastic bottle you squirted out and buffed onto the windshield. waited till it clouded then buffed it off. Lasted a VERY long time as it sat in all the micro pores and scratches.
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Old 04-06-2018, 03:00 PM   #4
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Default Re: Wind pressure on wiper arm

Just used it on my GMC motorhome, works way better than the wipers if you are moving into the wind. Drove about 900 miles in rain, never used the wipers once. Came in a spray bottle, but not a cleaner type, so I assume it is the original. Got it at Wally World.
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Old 04-06-2018, 06:26 PM   #5
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Default Re: Wind pressure on wiper arm

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Originally Posted by SeaSlugs View Post
yup rain x all the way. do they still sell the little bottle of pure rain x? not the spray bottle of window cleaner with rain x...

Old stuff came in like a lighter fluid plastic bottle you squirted out and buffed onto the windshield. waited till it clouded then buffed it off. Lasted a VERY long time as it sat in all the micro pores and scratches.
Yep, they still sell the original bottle just bought some last week at the parts store. Great stuff
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Old 04-06-2018, 08:51 PM   #6
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Default Re: Wind pressure on wiper arm

Back in the '70s when I bought my first (modern-ish) car, you could buy plastic snap-on attachments for your wiper arms that had several fins designed to catch the wind and create greater pressure on the windscreen wiper. They were designed for wipers that pivoted from the bottom, not the top, although I suppose you could mount them upside down on a Model A. To tell the truth, I don't think they made any difference but they looked cool to an 18 year old! They would look decidedly uncool on an A!
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Old 04-06-2018, 09:52 PM   #7
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Default Re: Wind pressure on wiper arm

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They would look decidedly uncool on an A!
Haha, No Doubt!!
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Old 04-06-2018, 10:01 PM   #8
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Default Re: Wind pressure on wiper arm

Yeah, like this, with the matching wooden seat beads ... nice

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Old 04-06-2018, 10:07 PM   #9
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Default Re: Wind pressure on wiper arm

I use Rainex, not the wipers.
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Old 04-06-2018, 10:23 PM   #10
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Default Re: Wind pressure on wiper arm

I have a bottle of Rainex in each of my Model A's, it is the only way!!!

https://www.amazon.com/Rain-X-800002...70_&dpSrc=srch
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Old 04-06-2018, 10:47 PM   #11
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Default Re: Wind pressure on wiper arm

Rainex doesn't work in the snow. You need a wiper for snow.

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Old 04-06-2018, 11:14 PM   #12
Chuck Sea/Tac
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Default Re: Wind pressure on wiper arm

What wiper arm?
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Old 04-07-2018, 12:19 AM   #13
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Default Re: Wind pressure on wiper arm

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Rainex doesn't work in the snow. You need a wiper for snow.

W. Michael
You need Snowex!
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Old 04-07-2018, 12:39 AM   #14
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Default Re: Wind pressure on wiper arm

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Originally Posted by updraught View Post
Yeah, like this, with the matching wooden seat beads ... nice

Yeeeaahh! Matching fake wood plastic wiper things! And weren't those seat beats meant to give you a massage (but you'd need to squirm in your seat while driving!)?
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Old 04-07-2018, 03:32 AM   #15
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Default Re: Wind pressure on wiper arm

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Rainex doesn't work in the snow. You need a wiper for snow.

W. Michael
Snow??, what's that.
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Old 04-07-2018, 04:44 AM   #16
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Default Re: Wind pressure on wiper arm

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Originally Posted by dave in australia View Post
Snow??, what's that.
Glad you asked that. I was wondering the same thing.
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Old 04-07-2018, 10:36 AM   #17
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Default Re: Wind pressure on wiper arm

Last summer on the way to the NW Regional Meet My wiper arm flew off. A touring Buddy had some rainex and quickly applied it on our windshield. Although it is a good product my wiper blade now bumps across the glass. Sooo you either leave well enough alone...........LOL
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Old 04-07-2018, 10:41 AM   #18
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Default Re: Wind pressure on wiper arm

Yes I love Rain-X. But was just wondering about something to make the blade somewhat more efficient. It actually did a halfway decent job though. But it did skip a bit.


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Old 04-07-2018, 11:46 AM   #19
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Default Re: Wind pressure on wiper arm

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Originally Posted by 1930artdeco View Post
Yes I love Rain-X. But was just wondering about something to make the blade somewhat more efficient. It actually did a halfway decent job though. But it did skip a bit.


Mike
Yup... my feeling is with Rainex you lose gliding efficiency. The skinny arms are not beefy enough to move the blade. That's why my inference was one of either Rainex or wiper but not both. I have been toying with the idea of the new electric units. At $300.00 they can cure a lot of misery.
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Old 04-07-2018, 02:09 PM   #20
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Default Re: Wind pressure on wiper arm

Why can't you use a Ford wiper blade and arm from the 40's on a Model A? It should be allowed under the safety exception. The original Model A arm puts very little downward pressure on the wiper blade. It was designed in the early years of wiper technology and probably was just as ineffective when they were new.
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Old 04-08-2018, 10:39 AM   #21
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Default Re: Wind pressure on wiper arm

Quote:
Originally Posted by dave in australia View Post
Snow??, what's that.
Quote:
Originally Posted by Synchro909 View Post
Glad you asked that. I was wondering the same thing.
Here is some "Snow", MT Rainer Washington State.
Attached Images
File Type: jpg 160B Mt Rainer 4.jpg (79.2 KB, 9 views)
File Type: jpg 160B Mt Rainer 1.jpg (82.6 KB, 7 views)
File Type: jpg 160B Mt Rainer 2.jpg (63.9 KB, 7 views)
File Type: jpg 160B Mt Rainer 3.jpg (64.8 KB, 7 views)
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Old 04-08-2018, 10:51 AM   #22
160B
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Default Re: Wind pressure on wiper arm

Here are two more "Snow"

One at Mt Rainer and one in Tacoma WA
Attached Images
File Type: jpg 160B Mt Rainer 7 6-19-2012.jpg (65.6 KB, 6 views)
File Type: jpg Cabriolet in snow 1-1-2017.jpg (74.6 KB, 8 views)
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