If you are going to land in the trees....do you care about an overspeed? Might as well get some benefit from all that rotor system you are about to write off whacking off tree trunks. Out in my part of the world some of those trees get kind of tall....hate to think of falling down through some that are 200 feet tall. Would aim for the shorter...thicker branched style....and hope there is not a great big old stump under me.