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Screen Wash

 Poster: A snowHead
Poster: A snowHead
Adrian,
Quote:

Any recomendations for products for clearing of icy windscreens on frosty UK mornings?

Plastic scraper and Elbow Grease dear boy Very Happy
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 Obviously A snowHead isn't a real person
Obviously A snowHead isn't a real person
halfhand, it's only thing that works well in real cold. I wish the inside of the windows wouldn't ice up though.
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 Well, the person's real but it's just a made up name, see?
Well, the person's real but it's just a made up name, see?
halfhand, Yep - I remember going into the equivalent of Halfords in Newfoundland, Canada and asking for windscreen defrosting spray and they laughed... Aircon on stun for 5-10 minutes for the inside.
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i work for a car accessory company and we stock Carplan Screenwash which goes to -36c. It has never froze on me except when i have diluted it. I can get hold of it, £5 for a 5 litre bottle, its poo-poo hot (literally) so if anyone wants any let me know, i deliver all over the northwest manchester, bolton, wigan, liverpool etc.. so will be able to make a detour if anyone wants any!!! snowHead snowHead snowHead
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 Anyway, snowHeads is much more fun if you do.
Anyway, snowHeads is much more fun if you do.
stoatsbrother,aircon? What's that then ? Sad . My 2002 Vauxhall Corsa Van (works vehicle) hasn't heard of it. 20 minutes to de-ice normally.
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 You'll need to Register first of course.
You'll need to Register first of course.
Just checked my supply, -4 from Halfords. But then I bought it as Screen Wash without giving a thought to the temperature aspect given all the global warming warnings.
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 Then you can post your own questions or snow reports...
Then you can post your own questions or snow reports...
halfhand wrote:
Adrian,
Quote:

Any recomendations for products for clearing of icy windscreens on frosty UK mornings?

Plastic scraper and Elbow Grease dear boy Very Happy

Waxy cardboard box, (from local butchers shop) on windscreen when you park up, simply remove in the morning Very Happy
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 After all it is free Go on u know u want to!
After all it is free Go on u know u want to!
Boredsurfing, Gold star for that snowHead Laughing Laughing
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 You'll get to see more forums and be part of the best ski club on the net.
You'll get to see more forums and be part of the best ski club on the net.
Boredsurfing wrote:
halfhand wrote:
Adrian,
Quote:

Any recomendations for products for clearing of icy windscreens on frosty UK mornings?

Plastic scraper and Elbow Grease dear boy Very Happy

Waxy cardboard box, (from local butchers shop) on windscreen when you park up, simply remove in the morning Very Happy


Why ?? Just get it out of the garage, clear windscreen every time wink

Garage full of junk - costly motor on the drive, only in the UK Toofy Grin
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 Ski the Net with snowHeads
Ski the Net with snowHeads
Bones, the garage of our 1960's semi is too small for a modern car. Even a 1980's Astra was almost impossible to park in the garage without dislocating a shoulder getting out of the car afterwards. And I was only 8 stone in those days.
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 snowHeads are a friendly bunch.
snowHeads are a friendly bunch.
Bones wrote:
[
I hope some specialist in this dept. comes along soon to give all the technical jargon Smile


Yeah, madmole, is talking icecubes!! Smile

Imagine the windchill on the wing of a 737 at 600 mph! If Madmole was right it would be frozen solid and the flaps and slats wouldn't move. Guess what, aircraft get hotter due to all the molecules hitting it...well depending on the altitude / speed / temp...

Windchill is an apparent temp felt on the skin... wiki has the details here
http://en.wikipedia.org/wiki/Wind_chill

Very Happy
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 And love to help out and answer questions and of course, read each other's snow reports.
And love to help out and answer questions and of course, read each other's snow reports.
Quote:

I suspect if I could keep it wet it would freeze

I suspect it wouldn't.
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 So if you're just off somewhere snowy come back and post a snow report of your own and we'll all love you very much
So if you're just off somewhere snowy come back and post a snow report of your own and we'll all love you very much
Ricklovesthepowder:

Could you get to South Cumbria ?
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 You know it makes sense.
You know it makes sense.
Evaporative cooling is different to (although often associated with) windchill. And there is not much evaporation going on below freezing point.
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 Otherwise you'll just go on seeing the one name:
Otherwise you'll just go on seeing the one name:
thirty06 wrote:
Ricklovesthepowder:

Could you get to South Cumbria ?


how much would you want, if you ordered a fair bit then yes, or you could meet me halfway or something???
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 Poster: A snowHead
Poster: A snowHead
Scarpa wrote:
Evaporative cooling is different to (although often associated with) windchill. And there is not much evaporation going on below freezing point.
I had always thought windchill was really the removal of heat from the body due to the moving air conducting the heat away quicker than still air, although evaporative cooling may play a part technically, practically I'm not convinced (yet) that it really does, so yes I agree.

Edited to correct typos


Last edited by Poster: A snowHead on Sun 10-01-10 10:40; edited 1 time in total
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 Obviously A snowHead isn't a real person
Obviously A snowHead isn't a real person
Ricklovesthepowder

I don't know if I need a 'fair bit', but I do get around, so I could possibly pick up from you. I'm in LA7 with easy access to the M6.


Is this the pink Sub-Zero stuff ?
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 Well, the person's real but it's just a made up name, see?
Well, the person's real but it's just a made up name, see?
thirty06 wrote:
Ricklovesthepowder

I don't know if I need a 'fair bit', but I do get around, so I could possibly pick up from you. I'm in LA7 with easy access to the M6.


Is this the pink Sub-Zero stuff ?

no we have ran out of that, thAT GOES TO -22, THIS STUFF IM ON ABOUT IS -36C. sorry for caps, juast looked at screen, how many bottles do u want
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There is nothing to evaporate off a planes wing in the air so it stays at ambient (about -64C at 10K metres) or just above due to air friction and solar radiation. Any moisture is blown off and evaporated at low level and warmer temps just after take off.

Windchill IS evaporative cooling due to the wind evaporatring the moisture from your clothing and body. As I said above, once the evaporative liquid is frozen or gone there is no more heat extraction due to evaporation.

So if you have a water/ethanol/glycol mix on your screen that keeps water liquid below 0C then when driving at 0C the water evaporating due to air flow WILL chill the mix below ambient and hence it can freeze when air temp is above what its rated to

The process is called latent heat of evaporation. Go look it up
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 Anyway, snowHeads is much more fun if you do.
Anyway, snowHeads is much more fun if you do.
madmole Granted, but the term 'windchill' normally refers to the perceived effect on humans, which is primarily conduction / convection unless of course, you are 'wet'.
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Arco, the workwear suppliers were doing a gallon of screenwash for 2.50 before christmas, don't know if they still are tho?
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 Then you can post your own questions or snow reports...
Then you can post your own questions or snow reports...
Quote:

And there is not much evaporation going on below freezing point.



Ever heard of freeze drying? wink

I had some -20 (when diluted 1:2) which I put in neat freeze on me last season. I've negated that problem this year by using an entire tank on the way down and neglecting to top it up since. Wonder what state the gallon or so that I left in the boot is in now.
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 After all it is free Go on u know u want to!
After all it is free Go on u know u want to!
I had the stuff out of costco mixed 1:1 and its frozen.

Just been in the BMW dealers and for £3.20/1l they have stuff that is good down to -63c neat, -23 at 1:1 and -12 at 1:2.

When (if!) mine thaws i'll siphon the costco stuff out and put the BMW stuff in.

Plus even though its BMW branded its not a bad price.
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 You'll get to see more forums and be part of the best ski club on the net.
You'll get to see more forums and be part of the best ski club on the net.
the costco stuff would probably be fine undiluted - in this sort of weather, use concentrate. and even then it's not by any means foolproof.
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That bluecol stuff i said is great, put some in to my car the other day and it hasn't froze, not had any issues with it at all.
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