Date:         Sat, 25 May 2002 11:35:50 -0500
Reply-To:     Stan Wilder <wilden1@JUNO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Stan Wilder <wilden1@JUNO.COM>
Subject:      Re: How wipers work / rain-X
Comments: To: al_knoll@PACBELL.NET
Content-Type: text/plain; charset=us-ascii

I've been buying Bosch blades for a long time but they don't seem to last
very long.
They get laid flat and the squeegee won't roll back to center position to
wipe good.
I tried some of those super duper double ??? wiper blades that are twice
as much and they don't work at all in cold weather ........ just sort of
bounce as the swing past my view.
The Bosch mostly wipe in the middle and the two inches on either end just
streaks.
Do you suppose the bug juices grease up the rubber or something?

Stan

On Sat, 25 May 2002 09:20:23 -0700 pensioner <al_knoll@PACBELL.NET>
writes:
> The wipers glide on a molecular film of water.  They skip when they
> encounter a surface that doesn't have this very thin film.  Rain-X
> IIRC is
> an alcohol based material that prevents that film from occurring and
> doesn't
> allow water to adhere to the glass.
>
> Wipers skip on the dry areas that the Rain-x produces.
>
> Just for fun, surreptitiously treat a friends driver side only.
> His
> passengers will be terrified in the rain.
>

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