DD, It seems to do a pretty descent job. Of course got a lot to do with operator placement. It opens up about a 2 to 3" wide gap more than 12 'deep. If I get a 50% survival rate I'll be tickled. Just the savings in property taxes will pay for my part in a year and a half. Dont work to hard.

"If you aim at nothing you'll hit it every time"

Zig Ziglar