Common Sense?

A 5 year old asks

why does your car not top up its washer bottle from the rain that falls on the car?

May 16th, 2006

3 lacklustre pieces of inspiration on “Common Sense?”

  1. Consultant K Says:
    May 17th, 2006 at 10:59 am

    I can see a number of issues but also can see a lot of potential.
    Grit - the whole point of windscreen washers is to remove this so you would have to ensure that water was filtered before being added to the washer bottle.
    Freezing - you would have to somehow dose the incoming water with antifreeze to ensure that you didn’t have an issue. I am sure with modern cars this would be possible and the car could dose the water to appropriate levels depending on the season.
    Biological activity - should a car not be being used, as the water is coming off the road there is an increased chance that algae/bacteria could thrive in the washerbottle. The dosing system would have to ensure that biological activity is controlled also.

    I think you could be onto a winner. Make sure you get it patented!

  2. Consultant G Says:
    May 23rd, 2006 at 10:46 am

    My learned freind has covered all of my points.
    Additionally, the grit may clog up both the inflow into the resevoir and the jets where it is skooshed onto the windscreen.

  3. Anonymous Says:
    July 31st, 2006 at 5:48 am

    Here are some links that I believe will be interested

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