Angle grinder art - GIF

**Jon** · Mar 10, 2018, 08:35 AM

Angle grinder art.

**PJs** · Mar 10, 2018, 01:25 PM

Is that Tuomas under that hood...only guy I know that can perform art with an angle grinder.

**Priemsy** · Mar 10, 2018, 06:23 PM

Wow! Wish I was that good.

**desbromilow** · Mar 10, 2018, 10:02 PM

apart from cringing at the lack of a guard, is it a trick of the camera, or is the wheel slowing down noticably at some points? perhaps it's a buffer/polisher with a wheel - therefore turning slower?

**Frank S** · Mar 11, 2018, 09:55 AM

desbromilow; what you are seeing is an effect known a partial "aliasing". This is caused by harmonic matching of the frame to frame advancement of the video if you could slow the video to single frame advancement you would see stop action movement the reflection of the grinding disc is picking up the writing or other markings on the disk.You really notice "aliasing in old B&W westerns where the spokes of a stage-coach or a wagon always look like they are moving backwards in the movies when they are going really fast in chase scenes trying to escape the outlaws.
As for not having a guard fully half of my grinders do not have guards a lot depends on how I need to use them dictates whether or not they will have a guard mounted on them. Many times a guard is more in the way than the amount of safety it affords to the user.

**Jon** · Mar 11, 2018, 10:00 AM

Good call Frank S. An aliasing effect is also seen in examples of helicopter blades appearing to stop. 48-second video:

**Frank S** · Mar 11, 2018, 10:22 AM

Originally Posted by Jon

Good call Frank S. An aliasing effect is also seen in examples of helicopter blades appearing to stop. 48-second video:

Jon you are amassing the way you can locate these videos so quickly Thanks
I'm just the village idiot who knows a few things because I've seen a few things to quote the TV ad

**Tuomas** · Mar 12, 2018, 12:59 PM

Originally Posted by PJs

Is that Tuomas under that hood...only guy I know that can perform art with an angle grinder.

Lol. Thanks. I haven't tried that, but i think it shouldn't be very fifficult if you are good with drawing. Wich i'm not. Will try it someday for sure tought.

**Savage11** · Mar 12, 2018, 02:56 PM

Very cool gift, thanks for sharing.

**Jon** · Feb 2, 2019, 06:53 PM

Die grinder calligraphy.

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