Reply To: Cleaning rusty plane blades
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😂 I put in about 6 heaped scoops (tablespoons, maybe a bit bigger) for a bucket of water.
Use water that is very hot, but not boiling.
You should see bubble start to come off the pieces after 30-60 minutes.
Lightly rusty things might be good after a couple / few hours, while really rusty things might need 12 or more.
When the rust is gone you will be left with a thick black coating, scrub that off with a wire brush.
When the pieces come out, rinse in clean water, dry thoroughly, then coat in oil (e.g. 3-in-1).
If you don’t put the oil on you’ll get flash rust within 30 minutes.
I usually come back and finish things off with a scotchbrite wheel on my drill to polish up.
Here is a link to my Instagram where I cleaned up some brace bits using the above process:
https://www.instagram.com/p/CDw9d6ODnyw/?igshid=1brk6ap10rrf9
Cheers
Darren.