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"How To" Tutorial LibraryWrite tips and instructions on how to install parts or fix problems. This is for detailed "How To's" only, not a forum to ask how to do something. Please post those questions in appropriate forums.
I first attached a wire brush to a drill and tried to brush off a thick loose layer of rust.
I chose a thick wire bristle brush + the bristles were coiled. Such a brush is the most evil and gnaws rust more effectively than others. But even her anger is not enough. Looking ahead, I will say that rather fat deposits of rust remained in their place, I did not notice it.
On the left there is a cleared place, on the right they did not touch it and are waiting for processing.
I warn you right away - this is dirty work. Jets of red dust fly from under the wire brush in all directions. It is best to wear old clothes and use safety glasses. And get the soap ready - when you're done, you'll have to shower.
I found something similar at a hardware store.
The instructions say that the gel is applied with a stiff brush. I have an old brush, I don't know if it's hard enough. But I'll try, I don't have another brush.
Here's what happened after the first application.
The front side is also subject to processing.
The wheels were generously greased with gel on both sides and left overnight.
This is what I saw in the morning.
As you can see, the result is not 100%. The gel could not completely absorb the rust where the relatively thick layer remained. Of course, he loosened and weakened it, but did not completely destroy it. Re-cleaning with a wire brush and gel will be required. I will report on the results later.
Winter is now even closer. We'll have to hurry.
For me , sand blasting left grit in the gaps between the centre and the rim. So , used my friends hot tank, then a wash down with clear water and baking Soda to neutralize the acid. Then off to the powder coating guy!
No sand grit They still looked great in this photo from last August, 2019
it's true ...
sandblasting and subsequent powder coating is the optimal sequence of actions. But there is one drawback - industrial equipment is required, this is not in every garage and hardly exists in private kitchens at all.
If beauty is a priority, then there is no other way but to attract a specialist.
But my priority is "cheap and cheerful". This is the reason for self-employment with bare hands and cheap chemicals. If it turns out well, the goal is achieved. If it turns out beautifully - an additional bonus.
If you will allow me, I will show the cost as an example.
The price of new wheels of my size in Russia = 160 - 180 USD per set. And they are difficult to find on sale since ET41 is not in demand and sellers do not bring it in large quantities. Thus, a delivery cost of about 20 USD will be required.
I bought a set of rusty wheels for 29 USD along with delivery to Ekaterinburg from Kirov.
Sandblasting and powder coating will cost another 79 USD per set. And that: 108 USD.
It is cheaper than new ones, but the amount is already close. In addition, the wait is 2 weeks - now the season.
One day I will use this when extra pieces of paper rustle in my pocket. Unfortunately, this is a difficult time.
PS I understand that these amounts do not seem excessive for an American. But we are in different economies and your min-allowance of 700 USD (???) is comparable to our line manager's income. Therefore, do not judge strictly.
My point was, after all the at home strip and paint processing, sandblasting still left grit, even after blowing compressed air over all the seams. Powdercoat is just powdered paint applied with electrical current to attract it to the metal surface, it doesn’t get it into the crevices.
this "pocket" between the rim and the core = real crap.
It is almost unrealistic to clean it out from there.
I used soapy foam, damp rubber (very sticky), a thin screwdriver with a rag wrapped around it, foam again (this time a Ferry for washing dishes), a spray bottle with a thin stream of water, etc. It seems to me that I have not advanced even half, there is still dirt inside.
in general, I shuffled these wheels all day like a stallion shuffled mare. At the output, I got this result.
I must say, at the last stage, I used another composition. It not only removes rust, but also transforms rust residues into a black solid. The manufacturer calls it "primer" and says that paint can be applied over it. The composition includes zinc in some form, I don't know.
Next is the washing time. These anti-rust compounds stick to death. I washed them with brushes and rags, used dishwashing liquid and car shampoo. Then I turned to the pressure washer. But even the Karcher was litleffective. In general, in the end, the chemistry is washed away. It is impossible to leave the chemistry under the paint, the paint will not stick, and if the paint sticks, the acid under it will begin to gnaw metal itself.
The wheels are now clean and can be painted. Before painting the surface is dried and degreased. For this, I used "white spirit".
I chose a special paint. Composition "3 in 1". This is a rust primer-enamel . It can be painted on bare metal (the composition includes primer) and on rust (the composition includes a rot-blocking inhibitor). I took the opened jar from a neighbor, he paints it with cast-iron fences and crosses in the cemetery.
I applied the paint with a fluffy roller. This gives the painted surface a smooth, streak-free finish.
The paint does not dry very quickly. Left the painted wheels to rest overnight. Tomorrow I will put a second coat on the inside of the wheel and tackle the front surface. If there is time ...
03.Oct.2020 I installed the finished wheels on the car.
The paint lay down acceptable, if you look meticulously, flaws are clearly visible. But a quick glance gets a good impression.
When painting the front surface of the wheel, I had to use a brush. There are many deep gorges where the roller does not penetrate. I used a brush from the kids' watercolor set. Found in my son's desk (he grew up a long time ago, but his children's toys are still here).
Both surfaces of the wheel are painted twice, resulting in a fairly thick paintwork. If it holds out for at least a couple of years, I will consider the task completed.
09-27-2020, 02:34 PM
