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Manual and Power Saws; How to Measure Chainsaw Bar Length. Download Article Explore this Article. methods. 1 Finding the Cutting and True Bar Lengths 2 Measuring the Chain Other Sections. Tips and Warnings Things You’ll Need Related Articles References Co-authored by Hunter …
The most common sizes are 16, 18, and 20 inches although the full range goes from 10 to 42 inches! When you measure your blade, round up to the nearest 2-inch measurement if needed. Measuring A Chainsaw Chain. In order to measure the chain on a chainsaw, you will need to know the number of drive links as well as the pitch of the chain.
· In the next step, the chain is stretched on a flat surface. This makes it easy for the person taking the measurements to find out where the chain drive links are. In most cases, the links protrude from the lower side of the chain. Their ability to grab the drive cog enables them to power the chain.
You basically need to take the distance between three rivets and divide by half/two. For example 3/4” divided by half = 3/8”. The chain pitch can be represented as a fraction or a decimal. It is used to tell the pros of the length of a chain. A larger pitch indicates a bigger chain and vice versa.
When choosing a chainsaw chain, you first need to know the pitch, the gauge and the number of drive links. Once you have these, everything else about the choice is basically about what you prefer. Pitch is the average distance between two rivets on the saw chain. Its value (1/4″, .325″, 3/8″ or .404″) is commonly displayed on the guide bar.
Consider what you need the saw for : a 30cm guide bar can cut almost twice its length – that’s a half metre diameter log. You obviously need power, but not too much to control. Consider the task and seek advice. Make it safe : make it easy. Check for safety features like an inertia chain brake, side chain tensioning and a chain catcher.
· According to Timken Drives ’ Drives Product Manager, Richard Neuhengen, “Chain is defined to be worn out when it has grown by 3% of its original length, it’s at this point that one will have to replace the sprocket, also.”. Luckily, there’s an easy solution to measure whether or not your chain has worn, or your chain has ‘stretched,’ without removing the chain from the sprockets.
Real STIHL. Find Yours. Achieve more with the right saw for the job. Whether you need to cut firewood, do precision pruning, or fell trees, there is a STIHL chainsaw for you. Consider the scope of work you intend to perform before you select a chainsaw.
Square Tooth Round Ground – This chain cuts 10-15% faster than round chain on most saws. Since it takes less power for a sharp square cutter tooth to sever wood fiber, square tooth chain almost always improves a saw’s cutting performance. This chain can also be sharpened with a round file, so it is fairly easy to maintain for an average user.
· rafter length = √ (rise² + run²). The formula used to calculate rafter length from roof pitch is, in fact, the same as the one above. The one difference is that we need to calculate the roof rise using the pitch first. So what you need to do first is to get the pitch, using the following formula: rise = run * pitch.