If not too many splits I would do as LaGary said and close down the concave and run the rotor faster. IH recommended a concave setting of 4 and rotor speed of 400 rpm. I had to set the concave at 3 and run the rotor speed between 550 and 670 rpm to get all the pods threshed. Slowed it down to 550 when the sun came out and were getting too many splits. I run a squirrel cage fan at max speed but have two airfoil seives which require a lot of air. If you are getting too many splits and can't speed up the rotor or close the concave, I would, as you mentioned, increase the air and slightly close the shoe sieve which will increase the tailings. Hopefully the increased tailings will be the unthreshed pods and not just beans which could again result in too many splits
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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