New saw
take the freebie box store saw, pay outta your pocket at the nearest husky dealer to have it adjusted before you cut with it, few tanks later, take it back, do it again. It's a larger saw, plus new, meaning you can be careful with it and make it last. Sharp chains rule.....as soon as the chips change size and you notice you are struggling, time for a few strokes or a chain swap. Then eventually you'll sense *before* that happens and sharpen or swap then. I have to cut a ton of little trees all the time, murder on chains cutting close to the ground all the time.
Heat kills saws, end of story. 11 acres, a lot of trees....take your time do it right don't kill your saws. The smaller ones you have will suffice for all the little trimming and dinky trees.
man, that's a lot of work by yourself, what will you do with all the downed wood? You get to keep it/sell it? That would be a nice added bonus...and what about all the stumps?? ?Still sounds like fun, I am trying to get permission here to clear a 3-4 acre piece for eventual market gardening. gonna do it slow though, in my "spare" time. Milk it out, every single even possible stick of firewood or pulp or even some timber, scratch every nickle out first before the dozer goes in. I *hates* cutting after dozers, tangled dirty muddy mess.