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Re: DIY Electronic Vehicle Rust Prevention

From "Rod Speed" <rod.speed.aaa@gmail.com>
Newsgroups aus.electronics, aus.cars
Subject Re: DIY Electronic Vehicle Rust Prevention
Date 2024-02-26 05:42 +1100
Message-ID <op.2jpnk2lvbyq249@pvr2.lan> (permalink)
References <65dab557@news.ausics.net>

Cross-posted to 2 groups.

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Computer Nerd Kev <not@telling.you.invalid> wrote

> While looking into rust-proof paints, I stumbled uponthe 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.

Rust preventing paint certainly does work.

I built my house in the very early 70s and the entire
structure is RHS, and did the two big gates out of
RHS too. Used killrust paint and nothing has rusted
in what is now more than 50 years.

And my 2006 Hyundai Getz has not rust at all, not
even the decent gouge that some arsehole managed
to do in the woolys car park right in the middle of the
driver's door, with what appears to have been the
corner of a ute flat tray. And I have done nothing to
protect the gouge at all.

> 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.

Can't see that and my formal qualifications are in chemistry.

> 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/

What is the detail of the car ?  Modern
cars are much better than the old ones.

> Then again much of my trouble is from cavities in old vehicle
> bodies rusting out from inside*.

Yeah, I did manage to do that myself with my previous 73 VW
Golf. I knew that the windsceen leaked and the car always
lived outside. Eventually that did rust thru the floor that way.

> The paint on the outside is OK
> until the rust eats right through,

Yep, that's what happened with the Golf.

> so would the electric charge  preventthat rust starting on the inner  
> side?

Can't see it myself, particularly with the door frames
where rust usually happens due to blocked water drain
holes in the older fords and holdens and pom cars.

> 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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