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It's the rubbing or brushing of the surface after the 'red rust' hematite has been converted to 'black rust' magnetite to remove the loose fuzzy bits that aren't adhered to the surface. I primarily use a very fine wire wheel but you can use 0000 steel wool or bronze wool, leather, etc. I believe card stock was used, hence the term 'carding'.Fascinating stuff here.
What is “carding”?
so much better than it was.... getting it shooting again will be a plusA bit more work to do to make it a shooter. The bolt (cylinder lock) is slipping off the cam on he hammer preventing the cylinder from unlocking while cocking the hammer. I want to close up the barrel/cylinder gap about 0.010" and then test to see if it will pop a cap...or six. The striking face of the hammer may need some metal build up.
I'm going to replace a few of the mangled screws, maybe do one more round of bluing on the barrel depending on whether I need to machine the strut to close up the B/C gap and maybe one more application of BLO on the grip.
It did shine up pretty well, I think.
View attachment 550153
I think that area will be ok. The main job of the pins is to clock the barrel. The load (which is rather small) applied to them is tangential to the center point of the cylinder spigot in which case there is substantial material to support them.Very nice.
The only area I’d keep an eye on is cast around pins. I’m sure it’s fine to function repeatedly, but smaller diameter pin posts would’ve given me a peace of mind with thicker cast wall around them.
That’s all so only if hinge-action pin isn’t to loose.I think that area will be ok. The main job of the pins is to clock the barrel. The load (which is rather small) applied to them is tangential to the center point of the cylinder spigot in which case there is substantial material to support them.
When firing, the load in this area should be inward against the frame as the barrel tries to pivot axially (bend) around the spigot... i.e., the barrel proper is pushed forward but is constrained by the spigot/wedge so it tries to flex the spigot downward, hence, forcing the 'strut of the barrel' back against the frame.
Thank you. Correct in that this will see limited firing and with low power loads as well.That’s all so only if hinge-action pin isn’t to loose.
Plus something like that is not going to be fired from - let’s just say - a lot.
Very nice job overall and than you for sharing.