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Post by paristheodore on May 4, 2023 3:37:36 GMT
Alright guys, I am ready and willing to be roasted. I attempted to sharpen my Royal Armories 14th Century Longsword, and I’m pretty sure I ruined it. I used the Mike Edelson belt sander method, starting at 240 grit and going up to 2000 grit and leather strop. It was really sharp until I got to the 1400, and then it became butter knife dull. Whats more, I took off too much steel. The edge of this sword is VERY obtuse, so I sharpened at a 30 degree angle. Can someone tell me if this can be saved or if it’s ruined. imgur.com/a/b6YBbsJ
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Post by larason2 on May 4, 2023 4:56:16 GMT
After you're finished sharpening at each grit, test it for sharpness. It should be sharp at 240, and everything above that is really honing, and everything above 2000-3000 is polishing. You must have dulled it at 1400. Test the blade. If its sharp enough to not move side to side on your fingernail, then it is keen. If it catches the side of your thumb, it is sharp. If its keen, but not sharp anymore, it may actually be ok. Swords don't have to be as sharp as kitchen knives. It may well be "sword sharp." If you cut tatami or a pool noodle, it will probably work well. If it's not keen anymore, start over at say 1000, and this time be very careful at 1400. You should spend less time there than at lower grits, and be very careful of the angle. Just one mess up of the angle and it can hone the edge off.
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Post by mrstabby on May 4, 2023 9:25:53 GMT
I think you might just have gotten a roll/burr. When sharpening with a sander I have seen this, first its sharp then suddenly dull. You need to strop it or go over the edge with a stone. I use a 3000 diamond stone, pulling it from the edge to the middle of the blade after I used the sander on both sides of the edge.
You can try this though: get a piece of wood and pull the sword edge over it, cutting the wood slightly, if it feels somewhat sharper after, it might be a microscopic roll that you removed with the wood. Or you could try using the wood piece as a strop. It will at least show you, if there is a roll.
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