They both have a magical rpm limit somewhere around half throttle that they will do ok. Once they have surpassed that limit, all bets are off. At this point the popping, snapping, and surging starts. The harvester engine has an electric fuel pump, so it'll tend to want to start to flood from lack of being able to burn the fuel. The hiboy has a gravity fed tank. It'll just fade out, then surge back several times until a lighter load is applied, or throttle position reduced like the harvester. If half throttle would be fast enough I'd live with it but both machines need 2000 plus rpm to function properly.
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Today's Featured Article - The Ferguson System Principal An implement cutting through the soil at a certain depth say eight inches requires a certain force or draft to pull it. Obviously that draft will increase if the implement runs deeper than eight inches, and decrease if it runs shallower. Why not use that draft fact to control the depth of work automatically? The draft forces are
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