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Yes the weight of the motor did the tensioning. I used 1X42 belts, The design could be adapted to any size belt.

Now days I have the motor mounted on top of a X-Y cross vise. I move the motor...

Here is the information on how I made contact wheels that was on the website, Now days I have been buying my bigger contact wheels form Sunray.

I used two different methods to make the contact...

I took the tutorials down when I revamped my web site.

This grinder is pretty simple just a rotating post to hold the contact wheel and a motor with two drive pulleys. The thing that I found most...

Thank you for your input, those are good ideas. I have retired my little wooden grinder. It was a good little tool. I learned a lot using it. The serpentine belt covering worked pretty good. If I...

Wooden pulleys have been in use since the beginning of the industrial revolution. Wood is turned on lathes on a regular basis at much faster RPMs and Feet/Min than this grinder runs. To say that a...

I made the tutorials and put them on my website. I have been happy with the way the grinder works.

Razor Grinder

Charlie

The serpintine belt is the belt that runs everything on the front of some engines, it replaced the fan belts.

Randy,

Using inner tube as an out covering for a softer inside is pretty damn...

Leather is a great idea, but I am looking for something softer for cleaning factory made blades. With a soft wheel you get a big cushy contact spot so it is easier to blend in the scratch pattern. It...

The rails are shelf standards that are made for adjustable shelves. The clips that go into them are modified shelf clips that are made for the standards.

I do not have a good answer for a useful...

Here is an update on my grinder. I made an attachment for it so that I can use small wheels. I also made a 6" and 4" wheel to use without the adapter. The wheels are covered with soft-ish covering...

Thanks for the nice comments. I had a chance to use the grinder for a while. It is several steps above any thing else that I have built. It works very well, I am more than happy with it. The contact...

I ended up tossing the handle. The idea for the handle was good in theory but not in practice. As soon as backed of the big wing nut on top of the post the weight of the motor would make the post...

Here are some pics of my new grinder, it has two speeds-1350 and 2700 feet/minute. It is mostly made of ½” birch ply. The tracking is adjusted with the big handle on the post. I have to pickup the...