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Video for "Simple Jigs for Setting Angles with the Oneway Wolverine"

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Earl McLain said:
Video worked fine for me (just finished watching). Using MS Edge on a surface Pro.

@Paul Ruud Thanks--your video really helped me follow what you were saying in your written posts. Really not as complex as i was making it as i read!!
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Earl, thanks for responding. And I’m really pleased to hear that the video gets the (not so complex) point across. That’s what I was aiming for. 👍
 
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@Bill T Tucker you are most welcome. Thank you for dropping a note. It's nice to get feedback.

@Lance Mirrer Excellent, on both counts. I appreciate your help sorting out the YT thing. I've made lots of other mistakes, but they aren't so obvious. At least, I hope not. 😁

@Will Armstrong, cheers for the appreciation. Especially of my thumb. After many filming takes, I just went with it. I literally laughed out loud when I saw your comment. 🤣
 
An interesting approach. Thanks for the video. I think the clamp is good for your implementation but also a little clunky. Your method may be a good jump point for improvement ideas but the base design is very good.

The last comments you made probably touched on my initial thoughts of how things were going to change for different thickness gouges. And the question of where the angle is measured from. I think at the cutting edge would be best. But as we all know it’s a concave grind so we are probably splitting hairs if measuring a line tangent to the grind at the cutting edge. Maybe an insignificant amount, I might draw it up to see

Thank you for the great post!
 
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Scott Horton said:
An interesting approach. Thanks for the video. I think the clamp is good for your implementation but also a little clunky. Your method may be a good jump point for improvement ideas but the base design is very good.

The last comments you made probably touched on my initial thoughts of how things were going to change for different thickness gouges. And the question of where the angle is measured from. I think at the cutting edge would be best. But as we all know it’s a concave grind so we are probably splitting hairs if measuring a line tangent to the grind at the cutting edge. Maybe an insignificant amount, I might draw it up to see

Thank you for the great post!
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Thanks, Scott! I agree with everything you say. Using the clamp for the Veri-Grind jig application is awkward and it would be nice to address that.

And thanks for bringing up different gouge thicknesses. Every different thickness technically requires a different jig/gauge. They are easy to make but who wants "a gauge for every gouge?" I use 1/2" and 5/8" gouges and all from the same manufacturer so not a big deal. But others? Then again, this is an issue for every fixed setup jig/gauge.

You can use the formula to see how sensitive the angle is to where the angle is measured from. I think a lot of turners will consider the differences ignorable. Still, many of us will want to understand the consequences of different locations. I didn't go into that to keep the video focussed. If you have further thoughts, please share!
 
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Tom Gall said:
Without giving this much thought (none really!) ... would magnets work?
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That is a really cool idea! It keeps everything really simple. Otherwise it seems like a clamp would have to be made part of the jig, that way you wouldn't be juggling two things (the clamp and the jig).

I'm going to go try this.
 
Tom Gall said:
Without giving this much thought (none really!) ... would magnets work?
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I'm happy with this. I just hot-glued two magnets into the jig where it sits on the gouge and it worked very well. I think it might be good to add more to the back of the jig where the Veri-Grind jig gives a square reference. Thank you, @Tom Gall, that is a sweet solution!
 
Paul Ruud said:
I'm happy with this. I just hot-glued two magnets into the jig where it sits on the gouge and it worked very well. I think it might be good to add more to the back of the jig where the Veri-Grind jig gives a square reference. Thank you, @Tom Gall, that is a sweet solution!
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Glad it works. I'm sure you will work on it further to meet all your expectations. Pictures are always nice. :)
 
Paul Ruud said:
I'm happy with this. I just hot-glued two magnets into the jig where it sits on the gouge and it worked very well. I think it might be good to add more to the back of the jig where the Veri-Grind jig gives a square reference. Thank you, @Tom Gall, that is a sweet solution!
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Great Video. I'll be making some of these! Do you have a picture of the magnet idea and it's application you could share?
 
David Whitford said:
Great Video. I'll be making some of these! Do you have a picture of the magnet idea and it's application you could share?
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Thanks for this post. I worked on this for a while but then got busy with other things and forgot to update. Here's a couple of pictures:

IMG_9838.JPG IMG_9839.JPG

It took me several tries to find an adhesive that could hold up. JB Weld Original was the only one that worked.

You can see that I ended up using cylinder magnets. To get a strong connection, I found I needed to get magnets that would go inside the flute. The tips of the flute do not provide enough surface area for magnets to work well. Note that the cylinder magnets are diametrically magnetized. The poles are not on the circular ends. The poles are on either side of the cylinder. The magnets shown are 1/2" long and have a 1/4" diameter.

Here are pictures of this jig on 1/2" and 5/8" bowl gouges:

IMG_9840.JPG IMG_9841.JPG

These magnets are a little proud of the flute edges in the 1/2" so the base of the jig has a groove in it where the magnets are glued in. The connection to the 1/2" is quite strong. For the 5/8", there is contact on only one side making for a weaker, but adequate hold.

(Continued in next post. Only 4 attachments/photos allowed per post.)
 
To glue the magnets to the jig, I first put the magnets in the 1/2" gouge flute which was lined with blue masking tape.

IMG_9776.JPG

This ensures that the polarity is positioned correctly. Then I applied the JB Weld Original to the groove in the jig, lined everything up, and clamped.
 
I just got around to trying this out for setting platform. So far, I’m impressed. Easy to make, accurate, and easier to use than what I have been using. No finesse required at all to make Or use, unlike the ones that touch the wheel in two places.

I have been using a homemade version of Ron Brown’s jig. https://longworthchuck.com/index.php?route=product/product&product_id=404
 
Nice job. Another thing people often ask is how the Varigrind for various bevel wing shapes. Tormek provides, or at least used to years ago, useful diagrams in their manual of the effect of different settings. Has someone done this for the Varigrind? For skews and scrapers and such I make simple aids from plexiglas to set my favorite platform angles.

I'm glad you included the math. I'm often asked by teens why they would ever need to use math outside of the classroom. I tell them when I worked as a software designer/developer I couldn't do the job without being able to calculate things. I tell them the math is not as important if your goal is to work in fast food or retail sales and spend your free time in front of the TV. I'm surprised when adults can't even calculate things like the volume of concrete needed for a slab or at least approximately how many tons of gravel to order for a project.
 
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