David Heaf
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- Joined
- Oct 19, 2014
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I have two depth gauges marked 0.025" (0.63mm), one an Oregon (part no 21830) and the other a Dolmar (complete with bar slot cleaner hook). Neither are noticeably worn. I noticed that more of the chain's depth gauge (raker) projects with the Oregon one. So it set me measuring them with digital calipers and a straight edge. The Oregon one was 0.45 mm and the Dolmar 0.40 mm. So neither of them were the stated 0.63 mm and thus result in a shallower depth of cut.
Has anyone else looked into this issue? Does a loss of at least 0.18 mm in cutting depth make much difference? Does anyone check their depth gauges to verify whether they are as stated?
Has anyone else looked into this issue? Does a loss of at least 0.18 mm in cutting depth make much difference? Does anyone check their depth gauges to verify whether they are as stated?