CaseIH rotor in spongy cobbed corn

JW

Member
Trying to combine some 23% corn with a spongy cob and having a lot of trouble getting all the corn off the cob. Tried speeding up and slowing down rotor, closing and opening concave and standing up vanes to hold the corn in longer, all with little to no change. Currently set at 370 rpm, concave at a little under 4. This is on a 2366 with a specialty rotor if it matters
 
I will second your running the rotor too slow for soft cobs. 425-500 is where the guys around here run in higher moisture corn.
 
I would try tightening up the concave. Had the same problem with when the concave was at 3. Currently running a 2388 in spongy cob corn with concave at 2.6 and rotor at 360. Cob diameter was small because it froze before it was mature. If you run rotor faster you will probably smash up the cob into pieces and put it into the bin. Although with a smaller diameter rotor you can run at higher rpm as long as the peripheral speed is the same.
 
running a 1986 1620 with specialty rotor. had tough time getting it set this year. had to go extreme on the settings to cut down on rotor loss.
rotor 650 and concaves just under 3. corn moisture is 24%. any slower and the corn ran out the back and it left corn on the cobs.

hth

Duane
 

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