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Author Topic: Reducing static  (Read 418 times)
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Skymon
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« on: March 02, 2018, 07:23:15 AM »

My little cheapo electronic scales get affected badly by static.
I also suffer from static cling when manipulating OS film.
SO I thought I'd have a go at a budget static eliminator...
I checked out the bay for some cheap USB ion generators and a USB hub to house them.
I had to sand off the little protective cover hinge bump to get them to all fit in to the USB hub.
THey all slotted in there nicely and the lights were on.
I plugged the whole lot in to a 2A USB power supply and sat back and waited.
I can tell you the results were disappointing.
If there was any affect it was minimal and pretty near undetectable.
My costs came to just under £7, so not a great deal wasted.
I've still got the unit plugged in just in case it is producing a stream of happy ions, but I doubt it.

As for making scales more reliable and reducing static on my OS film, the results are negative.
back to the drawing board...
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TheLurker
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« Reply #1 on: March 02, 2018, 07:52:20 AM »

Move to the seaside?  Smiley

Or... have you tried the static discharge leads that strap to your wrist?  The sort of thing you'd use when monkeying around with CMOS ICs and other static sensitive IT kit?

Here we go...

 https://www.maplin.co.uk/p/adjustable-band-anti-static-computer-wrist-strap-with-grounding-cable-zt91y

or

 http://uk.crucial.com/gbr/en/blwriststrap

A plug for Maplin before they go under.
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cvasecuk
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« Reply #2 on: March 02, 2018, 08:34:46 AM »

There was some discussion of this topic in January on Yahoo Group Free Flight Indoor-Construction & Flying. Removing static from OS film is not easy and the best solution for the scales is either a much more expensive set of scales or to put a cardboard box on the scale pan to raise the object being weighed! That is what I do.
Ron
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Olbill
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« Reply #3 on: March 02, 2018, 10:02:40 AM »

If you crinkle OS film nearly all of the static is removed.

Using a raised weighing platform on a digital scale keeps the static from affecting it - at least it minimizes the effect. Or for weighing whole models you can suspend the model under the scale.
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Skymon
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« Reply #4 on: March 02, 2018, 02:36:28 PM »

I live 1/2 mile from the sea ☺
I've been doing all the stuff mentioned above, they are quite well known work arounds.
I wondered if I could find a cheapo miracle cure but no luck
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strat-o
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« Reply #5 on: March 02, 2018, 03:36:26 PM »

You might have success with dryer sheets.  Be aware though that the act of peeling film off of the roll generates static!  Just as peeling cello tape off of a roll in a vacuum generates enough static electricity to create significant x-rays.  So you may have success unrolling some film and wiping the film down after it's unrolled with a dryer sheet.

Marlin
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faif2d
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« Reply #6 on: March 02, 2018, 06:31:51 PM »

As an aside if you want to remove the static from scotch (cello) tape make a hoop of your thumb and finger and run the tape through that hoop.  All the static will be gone.  It makes taping sheets together much easier.
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