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heated wipers maybe?


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laziebun 
Member - Posts: 39
Member spacespace
Joined: August 14, 2009
Posted: December 06, 2010 at 8:05 PM / IP Logged  
So I got an idea that i think might work. But i thought i ask before attempting it. Here is what i was thinking....Running a power wire with a few resistance inline to lower the current and taking the other end and attaching it to the far end of the metal part of the wipers. I figured the current would complete its circuit by going to the ground of the other end where the wiper arm is bolted down, thus heating it up.
oldspark 
Gold - Posts: 4,913
Gold spacespace
Joined: November 03, 2008
Location: Australia
Posted: December 06, 2010 at 8:46 PM / IP Logged  
Why?
Not that a small current will heat the arm anyhow.
And for the high current required, you would need an earth strap to prevent welding.
lspker 
Silver - Posts: 503
Silver spacespace
Joined: November 23, 2003
Location: Canada
Posted: December 06, 2010 at 10:26 PM / IP Logged  

Surprisingly enough heated wipers are avalible, and not to costly.  Used mostly on big rigs, but now fit many applications.

oldspark 
Gold - Posts: 4,913
Gold spacespace
Joined: November 03, 2008
Location: Australia
Posted: December 06, 2010 at 10:55 PM / IP Logged  
LOL - I forget, I just open my bonnet (front hinged).
You need a heating wire or assembly, normal wiper metalics would be unsuitable.
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
Location: United Kingdom
Posted: December 09, 2010 at 4:25 PM / IP Logged  
You can also buy heaters for the screen wash to achieve the same, but just running the front demister for about 5 mins. usually does the trick.
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
Location: United Kingdom
Posted: December 09, 2010 at 4:26 PM / IP Logged  
Come to think of it since most (front) wiper motors are in the engine bay what's the point?
oldspark 
Gold - Posts: 4,913
Gold spacespace
Joined: November 03, 2008
Location: Australia
Posted: December 09, 2010 at 6:24 PM / IP Logged  
To think that heated fluid used to crack windscreens....
Now it seems they only crack when hot with cold water - but having a small initial crack helps. Maybe I'll convert to coolant or other fluids...
tommy... 
Gold - Posts: 1,901
Gold spacespace
Joined: December 10, 2004
Location: United States
Posted: December 09, 2010 at 10:45 PM / IP Logged  
I had an older guy come into the shop asking me my thoughts on his invention...He was in the process of hot-rodding a hair dryer to defrost the window... He had an elaborate vent system,etc...When i mentioned that this probably would not do well in the retail market...He asked "well,What do you do when your windshield is frozen/frosted"...I replied...Press my remote start button twice...! But not to stop your inventive juices from flowing...Now that you know they exist...Make them better...Then you will have something...! oldspark ...its ok as long as it is the front hinge right...?
M.E.C.P & First-Class
Go slow and drink lots of water...Procrastinators' Unite...Tomorrow!
oldspark 
Gold - Posts: 4,913
Gold spacespace
Joined: November 03, 2008
Location: Australia
Posted: December 09, 2010 at 11:09 PM / IP Logged  
LOL!
Front hinge is ok... until about 80-100kph, then it can flap a bit high.
But a limited can fix that - maybe the old chain (Patent Pending) I used to the gearbox to stop the fan coring the radiator on sudden stops.
It amazes me what gets Patented. Crap which isn't new, or is public, or simply won't be enforceable.
12V hairdriers for demisters are common here (for older cars).
230V hair driers less so - they just use the inverter heat instead...
But reinvention occurs all the time.
At least these days it's easy to see what has already been done... thanks to the internet. heated wipers maybe? -- posted image. heated wipers maybe? -- posted image. heated wipers maybe? -- posted image. heated wipers maybe? -- posted image.

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