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Construction of the kinetic splitter

Sqerty  19 1860 Cool? (+34)
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Good morning.
I made this kinetic splitter in the spring but have only now decided to show it off on this forum.

Kinetic log splitter on wheels with a red flywheel housing and a wood log on the sliding rail

Toothed strip module 5 that is 50x50 mm.

Drill press bit drills a hole in a steel part clamped in a blue vise on a workshop bench

Most of the components such as the carriage and bearing mounts are made of 10mm sheet metal.


Welding a steel plate on a workbench; MIG torch and a glowing weld spot visible


Gloved person holds a steel shaft with bearings and a gear next to a rack gear in a workshop

The splitter is engaged by the pressure of the toothed bar against a spur gear connected to the flywheel.

Close-up of a metal mechanism with bearing housings; red-gloved hand points at a bolt

The pulley which is also the flywheel weighs 62kg. I do not know which machine it comes from as I found it in a junkyard.

Close-up of a metal kinetic log splitter with a toothed rack and a large grooved pulley wheel in a workshop

The wheels are mounted on a hub from a Fiat cinquecento.

Hub with bearing and vertical shaft mounted on a steel frame, against a white brick wall

In the video below, the exact process of building the splitter.




About Author
Sqerty wrote 436 posts with rating 587 , helped 5 times. Live in city Ostrowy nad Okszą. Been with us since 2009 year.

Comments

Nepto 18 Feb 2026 17:32

Cool! I would just edit the YouTube video to have a short insert of how the structure works at the very beginning, for those who don't know what this splitter is. [Read more]

CMS 18 Feb 2026 18:35

But it has power. The flywheel, however, is a lot of accumulated energy. No auger splitter can compare. Only that the auger doesn't cut off the hands :) and this one could easily. [Read more]

E8600 18 Feb 2026 19:15

Plus for the workmanship, however, I fear that this little gear wheel may need replacing at some point. [Read more]

zuhjk 18 Feb 2026 20:08

You will fall unwillingly and cut in half. [Read more]

Andrzej_Tomaszewski 18 Feb 2026 20:45

Beautiful work. I envy your workshop and skills. I am a fan of hydraulic splitters. I myself once fancied a sawtooth splitter which is a pleasure to work on, which I show below. :) [Read more]

efi222 20 Feb 2026 00:23

Very aesthetically pleasing workmanship. I get shivers down my spine looking at these machines.... Too exuberant an imagination I think. [Read more]

E8600 20 Feb 2026 09:38

I will say frankly that once the toothed bar clutch has been refined and the safety improved due to the speed of reasoning, it could exist as a commercial project. [Read more]

Andrzej_Tomaszewski 20 Feb 2026 11:01

There are many models of this type of splitter on the market. The one shown here looks solid, but if something like wings were added to the sides to form a "V" trough then the billets would centre themselves... [Read more]

pikarel 20 Feb 2026 17:03

What you do is, for me, technical artistry; I really like it when an idea is transferred into "material" and in such an elegant way. Your counterpart in electronics is, in my opinion, my colleague @tytka;... [Read more]

szeryf3 20 Feb 2026 17:25

@sqerty a lot of ingenuity and a lot of work, but for that a work of art was created. [Read more]

Henryk2005 21 Feb 2026 22:06

Friend by chance this topic was displayed to me and out of curiosity I entered here. I have an orchard so I have some wood. Let me put it this way, you didn't check the market and reinvented the wheel... [Read more]

E8600 21 Feb 2026 23:18

You haven't seen much yet. I remember metalworking machines from technical school: guillotines, punchers and others for fast, lossless cutting some would cut through several cm of steel without a stutter... [Read more]

collie2 22 Feb 2026 00:02

Hedgehog... So much work, so much material, and now it's all a piece of cake! Why? Because this contraption is very, very dangerous for the operator and bystanders. After all, you are already completely... [Read more]

pikarel 22 Feb 2026 01:06

If your hand falls in - it's outright. Completely. Likewise with a chainsaw; all you have to do is inadvertently dock the chain to your leg and you can cut it off in no time. How can this be, how... [Read more]

collie2 22 Feb 2026 02:07

If you touch the chainsaw unintentionally, you won't cut your leg off, at most you'll only injure yourself severely, because if you feel pain, you'll instinctively release the button on the handle and... [Read more]

gklub 22 Feb 2026 09:19

I wonder if it's worth building in safety features. I imagine the splitter has already had a few thousand motoring hours. What's the chance of something getting out of whack and tripping without a pry... [Read more]

collie2 22 Feb 2026 10:53

Perhaps all we had to do before was at least look at the professionally made kinetic splitter, which is "designed for maximum speed, efficiency and safety"? That is, as the description reads: SAFETY... [Read more]

Andrzej_Tomaszewski 22 Feb 2026 13:29

When it comes to safety, the video below shows the boss of all bosses. I often go back to this video to improve my mood :) [Read more]

collie2 22 Feb 2026 14:01

I fart-paper... This is kinetics! But the kinetics operator - the capo tutti capi of kinetics ear muffs and safety goggles has? He does. And that's the point. And he has vigilantly turned off YouTube comments,... [Read more]

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