I was at the Husker Harvest show, too and checked behind the combines. I had to walk half way down the field to get away from the crowd and the rope. I found very little difference in grain loss among all the combines. I watched each one go by three times. They kept changing their speed once in a while. Some of the big hp machines went 8 mph for a short while as I got reported by the grain cart operators. The only combine really showing a difference on the ground was the old JD 9600. It was the only combine able to leave the cobs in one piece. Being a conventionel seems to make a difference. After I finished my walk around the field, I looked at the boxes with the grain sample. Finding no cob pieces in any of them let to the conclusion that someone had altered the samples, because they looked very much different from what was in the grain carts. So I went back to the grain carts to talk to the drivers and watch the combines emtpy their remaining corn. I witnessed the CASE, the Massey, the Gleaner and the 9600 unload. To my surprise, the old 9600 JD had the cleanest sample. I guess, because she left all the cobs in one piece, she didn't have to screen them out later on. The sample of the rotor combines looked about the same. Since the grain carts got to switch among the combines, their operators got to see the different samples. I was told that the lexion had the dirtiest. If I had to do it over, I would take photos of each combine dumping in the grain cart.