Quote:
Originally Posted by Stubby
Even different clean wood will make a difference . Oak will dull a chain sooner than , say poplar . Any kind of soil will take the edge off sometimes quicker than you think . As soon as the chip becomes dust you are forcing a dull chain .
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Pine trees off sandy heaths seem to collect sand in their bark, you'll notice the spark as you cut through in dull light, converslly cut smooth barked species like hornbeam or beech coppice on wealden soils and even cutting a bit of clay inclusion doesn't dul, them much.