Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: "Rod Speed" Newsgroups: aus.electronics,aus.cars,alt.home.repair,uk.d-i-y Subject: Re: DIY Electronic Vehicle Rust Prevention Date: Wed, 28 Feb 2024 05:02:12 +1100 Lines: 117 Message-ID: References: <65dab557@news.ausics.net> <65dadebe@news.ausics.net> <65db345a@news.ausics.net> <65dd0b36@news.ausics.net> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit X-Trace: individual.net 9rUs1hcLGJ6WyPEhzQbEswh6zt64i6yQyrt0MWyZFub/SPjuQ= Cancel-Lock: sha1:S4jGPbtdPcZ0bNq1z3OIpEce4a4= sha256:FYC4KBcaSmYY/AhjxUgHDUmANIN5GXZD6JlXV1OkaKw= User-Agent: Opera Mail/1.0 (Win32) Xref: csiph.com aus.electronics:35774 aus.cars:364181 alt.home.repair:976252 uk.d-i-y:1199164 .On Wed, 28 Feb 2024 04:02:04 +1100, Paul wrote: > On 2/27/2024 4:26 AM, Daryl wrote: >> On 27/2/2024 7:27 pm, alan_m wrote: >>> On 26/02/2024 22:05, Computer Nerd Kev wrote: >>>> In aus.electronics Bud Frede wrote: >>>>> chop writes: >>>>>> On Sun, 25 Feb 2024 23:36:42 +1100, Computer Nerd Kev >>>>>> wrote: >>>>>> I sure wouldn't pay hundreds >>>>>>> for one, but if the root of the thing is just applying simple >>>>>>> electrical signals to the paint surface, it's an easy thing to test >>>>>>> a DIY equivalent on some bits of scrap. Some of the patents contain >>>>>>> useful details. >>>>>>> >>>>>>> But if there are actual records of people doing such tests and >>>>>>> showing that it's all lies, which I can see myself (not just hear >>>>>>> rumor of), then I wouldn't. >>>>> >>>>> A friend of mine tested this in the lab when I was in college. The >>>>> devices don't work. They've been around for decades and they've never >>>>> worked. >>>>> >>>>> He wrote a paper on it for the class he was in, but I don't think it >>>>> was >>>>> ever published since it just debunked some junk science and didn't >>>>> actually represent any new and valuable research in terms of >>>>> chemistry. >>>> >>>> That's a shame, it would have been interesting to compare his >>>> device and test rig with the successful Canadian lab tests: >>>> https://www.autosaverobd.com/wp-content/uploads/2023/02/ITS-REPORT-015-05015-4-_3-15-2007_.pdf >>>> https://www.finalcoat.com/assets/lab_tests/CC_Tech.pdf >>>> >>>> And "Final Coat" have had their device's experimental results >>>> published in scientific papers (the same testing that the Canadian >>>> regulator also accepted): >>>> https://www.finalcoat.com/news.html >>>> >>>> But details of a test done without any financial motivation for its >>>> success would be very interesting. >>>> >>> >>> It seems strange that I've owed a car for 17 years and when scrapped >>> because of mechanical problems that were uneconomic to fix there >>> wasn't a trace of rust on any of the body panels. My car wasn't fitted >>> with one of these anti-rust wonder products. Perhaps European car >>> manufactures take a lot more care with the paint technology and build >>> quality? >> >> Perhaps or because cars in Europe are subject to harsh winter >> conditions they take more care with body protection. >> No such problem where I live in Melbourne Australia, our 3 cars are all >> German and not a spec of rust on any of them, 2 of them are 2002 models. >> I've noticed that the paint on all 3 is hard compared to other cars >> I've owned especially Japanese cars, unsure whether that makes any >> difference. >> > > Because of environmental laws, there is likely to be less variation > in paint types used. > > https://en.wikipedia.org/wiki/Automotive_paint > Cars are designed for global markets. Plenty aren't. > If you are Tata, you don't > design a car and only test it in Mumbai. Can you buy Tata cars in the first world ? Never seen any here in Australia. > Say the boss says "let's sell > this car in Canada". If you are the responsible engineer, you can't > say to the boss "but, but, it will need to be tested in Finland > for cold start, and that will mean a one year wait for test completion". > Instead, you have to do your best, to design cars that work anywhere, > by testing them in extreme conditions. As a Mumbai car driver, you can > take comfort that your car starts in Finland. > The body work on cars, doesn't rust like it once did. > The frame and underneath of a car, that's another matter entirely. I haven't found a problem with that and I used the Golf for 50 years and used it a lot on gravel roads too. We don't do road salting here tho. > You can replace all the suspension components on a car, during it life. Never had to do that with any of mine. > The coil springs can crack and need replacement (I had a cracked one). > McPherson struts used to pop through, during a car life, but today, > as you're taking the car to the junk yard, the cap on the strut is > just starting to rust. Never saw that with the Golf and I never did take it to the junk yard. a mate who is into old cars has it now. > The bottom of a car, can be treated with undercoat. But, the treatment > types should be consistent. If you use a wax treatment, if the company > goes out of business, you need to find another company that uses wax > coats during touchups. This is why in some cases, you're just as well > off with oil spray treatments once or twice a year. There are more places > that will do oil. Never did that with any of my cars. > An oil spray starts with a cleaning, followed by the oil.And it's a > selective treatment, as you can't spray iton some things without > damaging them. > And that should be enough. No need for gizmos or snake oil.