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| Simple: same combine, same crop, same year, same field. Swap same size heads and note power consumption/reading in cab or even max ground speed obtainable when limited by power required by chopping head. That, or install the tooling on the power shafts of the headers being compared and make ground speed identical - then you can compare the effects of groundspeed vs header type as well, which is also where the RotaDisc tends to do quite well. If all other factors/variables are the same except for one, (header brand), you have some pretty conclusive evidence. The amount of difference may vary depending on some of these other variables, but have done enough repetitions of this comparison to know. When working with some projects involving chopping cornheads, the Geringhoff was a frequently encountered benchmark, I think largely because it's been in North America for quite a few years and are well established. | |
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Gerringhoff vs JohnDeere cornheads
