Chains are not measured by stretching them out on a bench and squinting down a tape measure – chains are identified by PITCH, GUAGE and NUMBER OF DRIVE LINKS [no – not the cutting teeth – drive links and you’ll know the difference by even a cursory look at the chain ID link above].
Bars likewise are not measured the same way – manufacturers give them a set ‘length’ which is generally the sticky out bit that comes out of the chainsaw [not including the mount unless in the case of large double ended milling bars which are the exception to the rule and measured end to end].
If that all seems too much like hard work then bear in mind that chainsaws require a lot more attention and care than other power tools. Regard your chainsaw as ‘Excalibur’ with the cutting edge as your chain [please don’t refer to is as a ‘blade’ – it’s a chain. When you look to change it ask for a new ‘chain’ – not a new ‘blade’]. Identifying and being able to use the correct terms will set you apart from others.
Chain sharpening is key – if you cannot use a chain and have it cutting well until the cutters are so small they end up getting knocked off – you have plenty to learn. Watch, research, rinse and repeat. Read our article on chain sharpening by clicking here – often people get caught up in different angles and techniques – but the principles are always the same.
If you are serious about correct maintenance of your bar and chain work your way through the Oregon manual [click here] and after that check out the Stihl equivalent [click here]. Using a chainsaw for 20 years [badly] does not qualify you as an experienced user – so be the change, make the difference and keep educating yourself about these valuable yet dangerous tools.
And finally – why buy a new bar and chain without checking/replacing the drive rim or drive sprocket? [again click here if unsure on what these refer to]. Much as we would enjoy selling you the next bar and chain much earlier than you needed it [a worn sprocket will wear your new chain which will wear your new bar a lot lot faster] – we would rather you got the most out of your purchase.
Specialised ripping chain from Oregon this Full Skip chain has x1 extra gap between each pair of teeth. This helps keep chain speed higher when using a longer bar with a longer saw. This gives a smooth even feel to milling timber.
‘A skip chain has fewer cutting teeth than a conventional chain which means it won’t be dragging as many teeth through the wood you’re cutting. Less drag on the chain means less power is needed to cut through the log. That means the motor on your saw runs faster which keeps it in a more efficient power curve. It’s the same principle you use when downshifting a transmission in your truck to go up a steep grade. You get more power by increasing the engine speed. ‘ Steven Gregersen USA
Pros
Milling is smoother and more forgiving
Longer bars can be used with smaller powerheads as the strain on the powerhead is reduced
Less teeth to sharpen
Cons
There are fewer teeth but correct sharpening procedure becomes even more important