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DIY Electronic Vehicle Rust Prevention

Message-ID <65dab557@news.ausics.net> (permalink)
From Computer Nerd Kev <not@telling.you.invalid>
Subject DIY Electronic Vehicle Rust Prevention
Newsgroups aus.electronics, aus.cars
Date 2024-02-25 13:34 +1000
Organization Ausics - https://newsgroups.ausics.net

Cross-posted to 2 groups.

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While looking into rust-proof paints, I stumbled upon the world of
electronic rust prevention gadgets:
https://www.erps.com.au/how-electronic-rust-protection-works/
https://endrust.com.au/products-services/Electronic-Rust-Protection/
https://nilrust.com.au/product-details/electronic-rustproofing/
etc.

Much like with the paints, the question is whether it works, or
whether it's just snake oil. It's supposed to use conductive pads
to create a static charge on the steel vehicle body by using the
paint as a dilectric layer forming a capacitor. The charge prevents
oxidation of the metal.

In this discussion it's mentioned that by relying on the paint to
form the dilectric, it won't work in areas where the paint is weak,
which is where rust would start anyway:
https://www.electro-tech-online.com/threads/electronic-rust-protection-for-cars.13859/

Then again much of my trouble is from cavities in old vehicle
bodies rusting out from inside*. The paint on the outside is OK
until the rust eats right through, so would the electric charge
prevent that rust starting on the inner side?

This also says "There are to date no official reports which show
that cars with electronic rust proofing have less corrosion than
they would without the device":
https://www.autotrainingcentre.com/blog/truth-electronic-rust-protection/

On that basis I certainly wouldn't buy one at the prices these
systems are advertised at, but it seems they should be temptingly
easy to make, and maybe try out in some experiments.

I can't find any DIY designs online, but the specifications on this
page suggests that the electronics just make a 50V peak-to-peak AC
voltage at 12.5KHz which is applied to the adheasive contact pads
(copper tape?):
https://endrust.com.au/product/2-pad-cat-electronic-rust-protection-system/
  Input Voltage > 12V/24VDC
  Operating Voltage > 9V-32VDC
  Output Transformers > Two (2)
  Output Power (to each Pad) > 50Vpk-pk @ 12.5kHz
  Ground > Negative
  Current Draw > 25ma +/-

If that's all there is to it, then it shouldn't be hard to build my
own equivalent.

Anyone know of existing DIY projects or authoritative proof that it
doesn't (or does!) work?

* Waxy cavity coatings like this were actually what I was
  investigating when I stumbled onto these gizmos:
  http://www.septone.com.au/product/l/rustproof-4l

-- 
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Thread

DIY Electronic Vehicle Rust Prevention Computer Nerd Kev <not@telling.you.invalid> - 2024-02-25 13:34 +1000
  Re: DIY Electronic Vehicle Rust Prevention Ozix <ozix@xizo.am> - 2024-02-25 11:59 +0800
    Re: DIY Electronic Vehicle Rust Prevention not@telling.you.invalid (Computer Nerd Kev) - 2024-02-25 16:18 +1000
  Re: DIY Electronic Vehicle Rust Prevention Computer Nerd Kev <not@telling.you.invalid> - 2024-02-25 14:17 +1000
  Re: DIY Electronic Vehicle Rust Prevention Noddy <me@home.com> - 2024-02-25 17:17 +1100
    Re: DIY Electronic Vehicle Rust Prevention not@telling.you.invalid (Computer Nerd Kev) - 2024-02-25 16:31 +1000
      Re: DIY Electronic Vehicle Rust Prevention Noddy <me@home.com> - 2024-02-25 20:22 +1100
        Re: DIY Electronic Vehicle Rust Prevention Xeno <xenolith@optusnet.com.au> - 2024-02-25 20:58 +1100
        Re: DIY Electronic Vehicle Rust Prevention Daryl <dwalford@westpine.com.au> - 2024-02-25 22:14 +1100
          Re: DIY Electronic Vehicle Rust Prevention Computer Nerd Kev <not@telling.you.invalid> - 2024-02-25 22:36 +1000
            Re: DIY Electronic Vehicle Rust Prevention Noddy <me@home.com> - 2024-02-25 23:50 +1100
              Re: DIY Electronic Vehicle Rust Prevention not@telling.you.invalid (Computer Nerd Kev) - 2024-02-26 07:54 +1000
                Re: DIY Electronic Vehicle Rust Prevention Xeno <xenolith@optusnet.com.au> - 2024-02-26 11:53 +1100
                Re: DIY Electronic Vehicle Rust Prevention Daryl <dwalford@westpine.com.au> - 2024-02-26 12:38 +1100
                Re: DIY Electronic Vehicle Rust Prevention Noddy <me@home.com> - 2024-02-26 12:52 +1100
                Re: DIY Electronic Vehicle Rust Prevention Daryl <dwalford@westpine.com.au> - 2024-02-26 13:53 +1100
                Re: DIY Electronic Vehicle Rust Prevention Noddy <me@home.com> - 2024-02-26 19:52 +1100
                Re: DIY Electronic Vehicle Rust Prevention Xeno <xenolith@optusnet.com.au> - 2024-02-26 14:29 +1100
                Re: DIY Electronic Vehicle Rust Prevention Computer Nerd Kev <not@telling.you.invalid> - 2024-02-26 13:57 +1000
                Re: DIY Electronic Vehicle Rust Prevention Noddy <me@home.com> - 2024-02-26 20:04 +1100
                Re: DIY Electronic Vehicle Rust Prevention Computer Nerd Kev <not@telling.you.invalid> - 2024-02-26 19:37 +1000
                Re: DIY Electronic Vehicle Rust Prevention Noddy <me@home.com> - 2024-02-26 23:26 +1100
                Re: DIY Electronic Vehicle Rust Prevention not@telling.you.invalid (Computer Nerd Kev) - 2024-02-27 07:38 +1000
                Re: DIY Electronic Vehicle Rust Prevention Xeno <xenolith@optusnet.com.au> - 2024-02-27 13:32 +1100
                Re: DIY Electronic Vehicle Rust Prevention OldIron <Hans.Andnees@gmail.com> - 2024-02-27 06:51 +1000
                Re: DIY Electronic Vehicle Rust Prevention Xeno <xenolith@optusnet.com.au> - 2024-02-27 13:27 +1100
                Re: DIY Electronic Vehicle Rust Prevention Computer Nerd Kev <not@telling.you.invalid> - 2024-02-26 14:17 +1000
                Re: DIY Electronic Vehicle Rust Prevention Daryl <dwalford@westpine.com.au> - 2024-02-26 17:00 +1100
                Re: DIY Electronic Vehicle Rust Prevention Computer Nerd Kev <not@telling.you.invalid> - 2024-02-26 17:49 +1000
                Re: DIY Electronic Vehicle Rust Prevention Noddy <me@home.com> - 2024-02-26 20:20 +1100
                Re: DIY Electronic Vehicle Rust Prevention Daryl <dwalford@westpine.com.au> - 2024-02-26 21:35 +1100
                Re: DIY Electronic Vehicle Rust Prevention not@telling.you.invalid (Computer Nerd Kev) - 2024-02-27 07:50 +1000
                Re: DIY Electronic Vehicle Rust Prevention Daryl <dwalford@westpine.com.au> - 2024-02-27 09:33 +1100
                Re: DIY Electronic Vehicle Rust Prevention Computer Nerd Kev <not@telling.you.invalid> - 2024-02-27 11:38 +1000
                Re: DIY Electronic Vehicle Rust Prevention Xeno <xenolith@optusnet.com.au> - 2024-02-27 21:28 +1100
                Re: DIY Electronic Vehicle Rust Prevention "Rod Speed" <rod.speed.aaa@gmail.com> - 2024-02-28 08:38 +1100
                Re: DIY Electronic Vehicle Rust Prevention Noddy <me@home.com> - 2024-02-26 20:16 +1100
                Re: DIY Electronic Vehicle Rust Prevention Computer Nerd Kev <not@telling.you.invalid> - 2024-02-26 19:49 +1000
                Re: DIY Electronic Vehicle Rust Prevention Noddy <me@home.com> - 2024-02-26 23:29 +1100
              Re: DIY Electronic Vehicle Rust Prevention Clocky <notgonna@happen.com> - 2024-02-26 05:58 +0800
            Re: DIY Electronic Vehicle Rust Prevention chop <chop654@gmail.com> - 2024-02-26 05:48 +1100
              Re: Nym-shifting Trolling Senile PIG from Oz Peeler <trolltrap@valid.invalid> - 2024-02-25 19:57 +0100
              Re: DIY Electronic Vehicle Rust Prevention Bud Frede <frede@mouse-potato.com> - 2024-02-26 05:26 -0500
                Re: DIY Electronic Vehicle Rust Prevention Xeno <xenolith@optusnet.com.au> - 2024-02-26 21:51 +1100
                Re: DIY Electronic Vehicle Rust Prevention "Rod Speed" <rod.speed.aaa@gmail.com> - 2024-02-27 06:13 +1100
                Re: Lonely Obnoxious Cantankerous Auto-contradicting Senile Ozzie Troll Alert! Peeler <trolltrap@valid.invalid> - 2024-02-26 20:42 +0100
                Re: DIY Electronic Vehicle Rust Prevention not@telling.you.invalid (Computer Nerd Kev) - 2024-02-27 08:05 +1000
                Re: DIY Electronic Vehicle Rust Prevention alan_m <junk@admac.myzen.co.uk> - 2024-02-27 08:27 +0000
                Re: DIY Electronic Vehicle Rust Prevention jon@home.org - 2024-02-27 08:38 +0000
                Re: DIY Electronic Vehicle Rust Prevention Xeno <xenolith@optusnet.com.au> - 2024-02-27 21:35 +1100
                Re: DIY Electronic Vehicle Rust Prevention jon@home.org - 2024-02-27 13:13 +0000
                Re: DIY Electronic Vehicle Rust Prevention Frank <"frank "@frank.net> - 2024-02-27 19:46 -0500
                Re: DIY Electronic Vehicle Rust Prevention "Rod Speed" <rod.speed.aaa@gmail.com> - 2024-02-27 19:38 +1100
                Re: DIY Electronic Vehicle Rust Prevention David Wade <g4ugm@dave.invalid> - 2024-02-27 09:33 +0000
                Re: DIY Electronic Vehicle Rust Prevention charles <charles@candehope.me.uk> - 2024-02-27 11:30 +0000
                Re: DIY Electronic Vehicle Rust Prevention Sam Plusnet <not@home.com> - 2024-02-27 21:09 +0000
                Re: DIY Electronic Vehicle Rust Prevention Frank <"frank "@frank.net> - 2024-02-27 19:44 -0500
                Re: DIY Electronic Vehicle Rust Prevention "Rod Speed" <rod.speed.aaa@gmail.com> - 2024-02-28 08:49 +1100
                Re: Lonely Obnoxious Cantankerous Auto-contradicting Senile Ozzie Troll Alert! Peeler <trolltrap@valid.invalid> - 2024-02-27 23:15 +0100
                Re: Lonely Obnoxious Cantankerous Auto-contradicting Senile Ozzie Troll Alert! Peeler <trolltrap@valid.invalid> - 2024-02-27 10:59 +0100
                Re: DIY Electronic Vehicle Rust Prevention Daryl <dwalford@westpine.com.au> - 2024-02-27 20:26 +1100
                Re: DIY Electronic Vehicle Rust Prevention Paul <nospam@needed.invalid> - 2024-02-27 12:02 -0500
                Re: DIY Electronic Vehicle Rust Prevention "Rod Speed" <rod.speed.aaa@gmail.com> - 2024-02-28 05:02 +1100
                Re: Lonely Obnoxious Cantankerous Auto-contradicting Senile Ozzie Troll Alert! Peeler <trolltrap@valid.invalid> - 2024-02-27 20:08 +0100
                Re: DIY Electronic Vehicle Rust Prevention Noddy <me@home.com> - 2024-02-28 11:24 +1100
                Re: DIY Electronic Vehicle Rust Prevention Xeno <xenolith@optusnet.com.au> - 2024-02-29 18:33 +1100
                Re: DIY Electronic Vehicle Rust Prevention not@telling.you.invalid (Computer Nerd Kev) - 2024-02-28 07:23 +1000
                Re: DIY Electronic Vehicle Rust Prevention Frank <"frank "@frank.net> - 2024-02-27 19:53 -0500
                Re: DIY Electronic Vehicle Rust Prevention Computer Nerd Kev <not@telling.you.invalid> - 2024-02-28 11:44 +1000
                Re: DIY Electronic Vehicle Rust Prevention Bud Frede <frede@mouse-potato.com> - 2024-03-05 08:49 -0500
                Re: DIY Electronic Vehicle Rust Prevention Daryl <dwalford@westpine.com.au> - 2024-03-06 08:35 +1100
                Re: DIY Electronic Vehicle Rust Prevention not@telling.you.invalid (Computer Nerd Kev) - 2024-03-06 08:19 +1000
                Re: DIY Electronic Vehicle Rust Prevention Xeno <xenolith@optusnet.com.au> - 2024-03-06 12:09 +1100
                Re: DIY Electronic Vehicle Rust Prevention Xeno <xenolith@optusnet.com.au> - 2024-03-06 12:03 +1100
                Re: DIY Electronic Vehicle Rust Prevention alan_m <junk@admac.myzen.co.uk> - 2024-03-06 20:56 +0000
                Re: DIY Electronic Vehicle Rust Prevention Daryl <dwalford@westpine.com.au> - 2024-03-07 09:03 +1100
                Re: DIY Electronic Vehicle Rust Prevention Noddy <me@home.com> - 2024-03-07 10:43 +1100
                Re: DIY Electronic Vehicle Rust Prevention Xeno <xenolith@optusnet.com.au> - 2024-03-07 11:09 +1100
                Re: DIY Electronic Vehicle Rust Prevention Sven <Hans.Andnees@gmail.com> - 2024-03-07 12:06 +1000
                Re: DIY Electronic Vehicle Rust Prevention not@telling.you.invalid (Computer Nerd Kev) - 2024-03-09 09:47 +1000
                Re: DIY Electronic Vehicle Rust Prevention not@telling.you.invalid (Computer Nerd Kev) - 2024-03-06 08:13 +1000
                Re: DIY Electronic Vehicle Rust Prevention "cshenk" <cshenk@virginia-beach.net> - 2024-03-05 23:06 +0000
                Re: DIY Electronic Vehicle Rust Prevention Bob F <bobnospam@gmail.com> - 2024-03-05 17:55 -0800
        Re: DIY Electronic Vehicle Rust Prevention "Rod Speed" <rod.speed.aaa@gmail.com> - 2024-02-26 05:29 +1100
          Re: DIY Electronic Vehicle Rust Prevention "floffy@gallaxial.com" <floffy@gallaxial.com> - 2024-02-25 13:38 -0500
          Re: DIY Electronic Vehicle Rust Prevention Noddy <me@home.com> - 2024-02-26 07:33 +1100
            Re: DIY Electronic Vehicle Rust Prevention Clocky <notgonna@happen.com> - 2024-02-26 06:00 +0800
  Re: DIY Electronic Vehicle Rust Prevention "Rod Speed" <rod.speed.aaa@gmail.com> - 2024-02-26 05:42 +1100
    Re: DIY Electronic Vehicle Rust Prevention not@telling.you.invalid (Computer Nerd Kev) - 2024-02-26 08:16 +1000
      Re: DIY Electronic Vehicle Rust Prevention "Rod Speed" <rod.speed.aaa@gmail.com> - 2024-02-26 09:50 +1100
  Re: DIY Electronic Vehicle Rust Prevention Keithr0 <nothing.to.see@here.com.au> - 2024-02-26 08:50 +1000
    Re: DIY Electronic Vehicle Rust Prevention Computer Nerd Kev <not@telling.you.invalid> - 2024-02-27 11:45 +1000
      Re: DIY Electronic Vehicle Rust Prevention "Rod Speed" <rod.speed.aaa@gmail.com> - 2024-02-27 19:23 +1100

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