Static

eggplant · 3 Jul 2007

Hi all,

Got a new (to me) car recently, (grand cherokee) and whenever I wear trousers (every day for work..) I get a terrible static shock when I get out and shut the door, this didnt happen in my old car (peugot 406). It doesnt do it when I wear jeans. The seats are leather, Im assuming its somehing to do with my movement on the seat. Is there a way to stop these shocks?

Thanks

Softus · 3 Jul 2007

Shirley if you maintain contact with some metal part of the door, while you're sliding your trousers across the seat, then you'll dissipate any charge generated and not allow it to build up to the 'ouch' level?

eggplant · 3 Jul 2007

Whos Shirley?

I'll give that a go tomorrow and see, its not just a small shock, its a fair "kinell" shock.

Softus · 3 Jul 2007

Kinell - first name Phil?

eggplant · 3 Jul 2007

Thatl be the one

eggplant · 3 Jul 2007

Whos Phil? it said "far" before !

Softus · 3 Jul 2007

eggplant said:
Whos Phil?

Phil Kinell. 1st cousin of Gordon Bennett.

it said "far" before !

Now you see it, now you don't.

eggplant · 4 Jul 2007

ok, the door thing worked, but, hte door is like miles away from the seat so I have to lean right over to reach themetal on the door, is there another way around this to stop the static?

Softus · 4 Jul 2007

eggplant said:
ok, the door thing worked, but, hte door is like miles away from the seat so I have to lean right over to reach themetal on the door, is there another way around this to stop the static?

I don't understand. I meant the door next to where you're sitting - the door you're getting out of - how can that be miles away?

eggplant · 4 Jul 2007

because when I turn off the ignition the seat goes back, I can of course reach the door handle but not the metal part of the door - not without getting out first.

ninebob · 4 Jul 2007

http://amasci.com/emotor/zapped.html

TicklyT · 18 Jul 2007

I found a thin strand of uninsulated wire tied to any convenient fixing under the car (I tied it to the spare wheel carrier), and left swinging in the breeze was sufficient to disperse the static charge building up on car bodywork. The free end doesn't have to reach the ground, but that may help.

The thin end of the wire raises the electrostatic stress at it's end, concentrating the charge where it can leak away harmlessly instead of zapping you as you alight.

There are strap-like conductors available from motor accessory shops that serve the same purpose.

JohnD · 18 Jul 2007

I put my hand on the door pillar as I'm getting out. No way can that be miles away when I'm getting through the door.

I've got one of those strap things with a copper wire embedded in it but I don't think it works.

I believe petrol tanker trucks have special conductive tyres.

Leather-soled shoes do the trick too.

breezer · 18 Jul 2007

JohnD said:
I believe petrol tanker trucks have special conductive tyres.

Please tell me you are joking.

they connect the tanker to earth first.

did you also know flour is highly explosive?

some website said:
Offloading
Stringent precautions are required to prevent accumulations of static electricity and to give protection against lightning. Standard copper strip (25 mm x 3 mm section or equivalent) is usually employed for the main earthing system. This should be connected to at least one copper-earthing rod that has been tested and shown to have a total resistance to earth of <10 ohms.

The operator should employ a bulk loading and offloading procedure. This should include written instruction that state when offloading flammable liquids, the driver must first connect the tanker to the earthing connection at the off-loading point. The electrically conducting discharge hose can then be connected to the liquid intake point on the storage. The electrical resistance between the two couplings on a flexible hose must not be higher than 106 ohms.

more info

Steve · 20 Jul 2007

flour is highly explosive - they evacuated a building at my old school once, because some berk had run riot with a bag of flour he nicked from food studies.

Static

breezer

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