The big bar is nice on wood larger than 3' in diameter. Prevents double cutting or having to work the back of the tree when felling. I'm running full skip 3/8 square ground to make it cut fast. An 088KD with an 8 pin sprocket makes quick work of big wood.
My future Arborist wont be due till the first part of November. Im starting him off right, he is even named after a tree. Linden Vance Shawcroft. I may have do dig around and find the ultrasound pics and post them on here.
Can't wait for my 14-yr old to turn 16 so he can legally use my 32" husky 272 on old stumps. Physically able now, and he's already good at arborist tools, the diagnostic scoops and specs and (organic) sprays and hand and pole tools.