How Do You Measure a Chainsaw Blade and Chain?
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by: CullenBlakeman
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There will be a time when you need to replace the chain from your chainsaw. When that day comes, it is imperative that you know the length of your chainsaw blade and the length and type of chain you need. While it may seem confusing when you look at charts full of numbers for sizes, it really is pretty easy to figure out the length of both the blade and the chain of your chainsaw.
When you're ready to replace your chain, the first thing to do is determine the size of your chainsaw bar. If you happen to have an Oregon chainsaw, this should be easy. Just check the first two numbers of the ten-digit model number that is stamped on the motor end of the blade. That's your chainsaw bar length.
Don't have an Oregon chainsaw that easily shows you the length of the blade? Then here are some tips for figuring it out yourself.
How To Measure Your Chainsaw Blade
Measuring a chainsaw blade is actually quite simple. Just measure the blade from where the bar comes out of the casing, all the way to the end of the bar. No need to measure around the perimeter.
To eliminate any confusion, the words "blade" and "bar" are both used interchangeably to refer to the same thing ... the long metal blade that extends from the motor casing and holds the chain that does the actual sawing.
Chainsaw blades are measured in two-inch increments. The most popular sizes are 16, 18 and 20 inches, although you may find some saws with blades ranging from 10 inches to 42 inches in length. If you don't think your blade ends in an even number, round up to the nearest measurement.
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.
The number of drive links actually determines the length of the chain. A drive link is simply a tooth on the chain. The pitch of the chain will also affect the size of the drive links.
The pitch of a chain is the size of the chain. This is the distance between any three rivets, then divided by two. Your chain pitch is important because it must match the pitch of the drive sprocket and sometimes the bar nose sprocket. The pitch should be stamped on the drive link.
To be more specific, a 1/4" pitch chain might have 52 drive links and be 2.17 feet in length, while a 3/8" pitch with 52 drive links would be 3.18 feet in length. The number of drive links has a direct correlation to the blade length.
Still unsure? Just check with your chain saw's manufacturer or anyone who makes chains and they will be able to clear up any confusion you may have.
About the Author
So now that you have learned how to measure a chainsaw chain and chainsaw blade and are eager to find a replacement, check out the deals that update daily at ChainsawDeals.com
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