Why an ax needs rollers: an interesting solution from Soviet times

  • Dec 14, 2020
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Why an ax needs rollers: an interesting solution from Soviet times
Why an ax needs rollers: an interesting solution from Soviet times

Thanks to the use of coal and oil, the need for wood as fuel has greatly diminished over the past 150 years. However, wood is still a very important source of energy. Primarily for remote and small settlements - villages. Anyone who has had to chop wood in life knows that this is not so simple. To facilitate the work process, sometime in the 1980s, an interesting ax was invented.

The matter is frankly not simple. / Photo: family.ru.
The matter is frankly not simple. / Photo: family.ru.

So, somewhere at the turn of the 1980s and 1990s, such a miracle of technology was born. Some may ask - why are there two rollers on the ax blade? This will be a good and correct question. The fact is that if the reader has already chopped firewood, he should be aware that there are situations when the blade enters the log, but does not split it. To do this, you have to beat again, or knock with an ax with a log on the blade on the block.

Such a miracle of technology. / Photo: ya.ru.

In order to facilitate the cutting process and save the lumberjack from such "exercises", the engineers decided to add these very rollers, offset from the center of the blade. Such a system works quite simply. The rolling force, other things being equal, is significantly lower than the friction and sliding forces. This means that two rotating rollers will significantly reduce the amount of useful energy spent on the felling process.

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The ax breaks quickly. / Photo: imhodom.ru.

The mechanism makes it possible to almost completely eliminate the friction factor from the process of cutting wood. In addition, they help to remove the tool blade much easier and faster if it does get stuck. The idea of ​​such an ax turned out to be very interesting, but in the end it never caught on. Why? If only because the tool turned out to be extremely unreliable. The rollers, like any other moving element, under force (which is inevitable during felling) quickly wore out and broke. Such a tool was enough for a maximum of 10-12 cubic meters of firewood.

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Didn't take root. / Photo: ogolosha.ua.

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A source: https://novate.ru/blogs/250220/53560/