SawTroll
Information Collector
Yep. Some of the Japanese bars have gauge specific nose sprockets.
I have a Tsumura tip that says 050-058 on it right beside me here, just looked at it to confirm.
Yep. Some of the Japanese bars have gauge specific nose sprockets.
That's not really the case at all. The bar rails will wear at exactly the same rate however if oil supply is an issue in longer bars, and it can be sometimes, then the .063" bars will last longer. Having put 1000's of hours on both and spoken to a number of pro saw users I can assure you that if any bar will last longer it's the .063".
In theory you could use a bar rail closer to tighten up worn .050" rails for longer than a .063" bar but practically that bar will be well and truly stuffed by then.
yeah theory is one thing. experience and real life another. Thanks for the reply!
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So it appears that for Stihl to make a 063 bar they simply took the same bar they would use for an 050 and put a wider groove in it. Math on it would be .063 - .050 = .013 / 2 = .0065. so .0665 (on the 050 bar) - .0065= .0615 which is approx what i'm getting with the 063 rail width measurements. Seems highly unlikely that this would change if I had a 25" 063 bar. The numbers are to obvious...make to much sense.
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I don't think they would goto all the effort of another stage in chain manufacturing just as a marketing stuntI have a funny feeling that there is more marketing involved with the dimpled drivelinks than actual practical benefits
I don't think they would goto all the effort of another stage in chain manufacturing just as a marketing stunt
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