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Thanks for the input. It will be my final steps in grinding so the VFD will be turned down.

I hear you there. It’s just hard to swallow buying a rotary platen for experimenting that costs the same as my entire Northridge economy grinder.

I’m considering an Ameribrade rotary platen. I think it’d be something interesting to experiment with putting a slight final convex on some knives and maybe improve belt finishes. Does anyone have an Ameribrade rotary platen? I notice it has fewer spans at 6, 8, and 10 inches it’s missing the...

I’m not sure about ATP-641 but I know that Pops knife supply starting carrying a clay like coating that’s supposed to be a replacement for stainless foil. I haven’t used it but saw it listed the other day.

You can definitely do it with your jig. I mean raise the grind just like the photo above with the red line drawn. Just set your jig to a lower angle than before, grind and if you hit the edge before your new grind height lower it again or vice versa. You can also do the math and get it pretty close.

If not a convex grind I think bringing the flat grind up closer to the transition into handle will make it slice better.

Yeah I agree it’s what looks right. My general rule is the spacing bolster to butt should be even then at each pin location it should be spaced evenly between the spine and belly. Generally that means your pins won’t be on a perfect straight line.

I don’t have much experience chopping through bones so can’t help there. You could always grind the edge back a bit to thicken it up if it turns out that’s what’s needed for this application rather than make a new one.

I agree that learning free hand is the best option (I just started a few months ago) but there are cases where a jig is useful such as getting flat scandi grinds on those woodworking knives. In cases where a jig might be helpful the way I get the grind line to match at the belly is to very...

Yeah I was thinking that’d be the only way to use a larger diameter. I’ll give it a shot when I get around to a stacked leather handle, thanks!

Ok that is what I was starting to picture. You use a screw similar diameter to your stock thickness though correct? I rarely ever use stock above 1/8” which makes for a pretty small bolt. Otherwise your bolt wouldn’t fit through your guard/bolster slot..

OPaul, I’m curious about this method of through tang as it’s something I’ve been thinking of doing but do not have welding or brazing equipment. Any chance you have a photo or that video? Thanks!

Here’s an article on knifesteelnerds about quench speed. I wouldn’t say it’s for dummies but it has a lot of good info, as does the whole site. https://knifesteelnerds.com/2019/02/25/how-fast-do-you-have-to-quench-hardenability-of-steel/

I just recently bought an Elenco XP-720 power supply on eBay. I got a barely used one for about $30 and it supplies both AC and DC power in a couple voltages and amperages. Banana ports for your clips. I think it should work fine when it arrives and was cheaper than building my own. There’s a...

I have a Northridge Mod-E which is their economy grinder. I believe $500 shipped for chassis and wheels including a drive wheel, tool arm, and flat platen. My only complaint is it has a spring for tension instead of a gas spring (and that would be easy to replace if you wished) otherwise very...