Damn straight!
Spoken like a guy that does it regularly.
That being said, it pays to keep in mind that big chainsaws can be very cumbersome to some folks that don't do it for a living. A big bar is both heavy and dangerous for folks that aren't experienced with them. Control of that long critter is difficult and I have no doubt that fear might come into play, also. If a fellow would rather walk around and finish, only using his 28" bar, I have nothing but respect for that choice.
Myself, I would rather have the 36" bar even if I am only bucking up a 28" tree. It's easier for me to finish near the ground if I am not pushing the engine all the way under the log just to get to the other side. Sometimes they jump around a bit after they are cut; I consider it worth the extra effort just to have a 6" head start. I am quite comfortable standing up and nipping branches off near the ground instead of bending over, too. I have two saws with a 36" bar, and a 32" as well. Sadly, my 50" bar wore out, and I haven't been able to justify buying another, yet. Oregon seems to have gotten entirely out of the "big bar" business, and I damn sure ain't gonna pay Husqvarna's price.
Next time I get a tree this big, I'm going to order that 50" bar again. At least a 48".
That tiny saw I'm holding is a MS660 with a 36" bar.
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I don't think any of you guys would advocate chopping up this tree with a dinky little 28" bar.
Sure! Just walk around to the other side of that broken branch to finish the cut.
BTW: I still have many of those logs from that tree across the street on a vacant lot, in case any of you want to come scavenge. It's open season on healthy red oak at PDQ. They are sitting on the ground waiting for you. Today! Right now, in fact.
Damn. It might be a bit far to drive. Kansas City, Mo.