Driving with a frozen windscreen
#31
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#34
after google-ing it seems it is the Mpemba effect, and it is confusing but doesn't apply to situations like melting a windscreen ice. Can hot water freeze faster than cold water?
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For 10 years Ive been pooring hot water from the tap into an empty wine bottle, clears my screen in seconds and never had the glass crack(apart from today when it iced over straight away, had to do it again and put the window wipers on straight away )
Boiling kettle is stupid but a kettle warmed up is ok. Just because theres steam coming from it does not mean its boiled
Boiling kettle is stupid but a kettle warmed up is ok. Just because theres steam coming from it does not mean its boiled
#36
I was following a car this morning which clearly still had an iced windscreen - I could tell by the way the idiot was driving. It only takes a couple of minutes work to scrape away enough ice ffs
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I too use warm / hot water on my windscreen to remove icy ice. I have a can of de-icy icer in my car in case I need it as outdoor NCP car parks often lack kettles.
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#40
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I only used de-icer for the first few months I was driving, quickly realising that after use there's usually lots of misting and refreezing issues. Copying my old Dad I now just use the scraper, or preferably just start the engine up 5-10 minutes before with the rear screen heater and blowers on (benefit of a Disklok and having the drivers key easily removed from the keyring).
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Best bit of kit for that was the remote start on the old FTO.
Fired it up from the bedroom window with doors locked and alarm still on. By the time i'd had a brew the car was warm and the heaters had done their job. top class.
Currently just use the lukewarm water and carry deicer. In emergencies i use the vpower card to scrape ice off!!
5t.
Fired it up from the bedroom window with doors locked and alarm still on. By the time i'd had a brew the car was warm and the heaters had done their job. top class.
Currently just use the lukewarm water and carry deicer. In emergencies i use the vpower card to scrape ice off!!
5t.
Last edited by fivetide; 15 January 2009 at 11:05 AM.
#43
Don't ask where we got the water from.
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I thought it is now illegal to leave a vehicle running while unattended? Not sure if that only applies on the highway, or whether its on private land as well, ecomental law. Should turn off engine if waiting at a level crossing or swing bridge and freeze to death.
#48
#49
I thought it would have been obvious, but I guess there are some who need help.
The sheets of paper are used to attract moisture, which freezes instead of condensing and freezing on a windscreen. You then remove the sheets of paper in the morning before driving with a nice, usually and mostly, almost ice free windscreen.
The sheets of paper are used to attract moisture, which freezes instead of condensing and freezing on a windscreen. You then remove the sheets of paper in the morning before driving with a nice, usually and mostly, almost ice free windscreen.
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