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[redhat]

I install the spiked rasp bars were the straight bars would mount over the grate area only. Not over the concave area, in soybeans, edible beans and corn I run a disrupter package installed in the keystock grates which really evens out material flow and eliminates the rumble when it gets tough. The spiked rasp bars stay on for wheat, I install slotted grates and I keep an eye out for rotor loss. This setup seems to work for me.

 

[Brodale]

Do you spread the wheat straw or windrow itIJ I would think the spiked rasp bars would chew it up more. Also do you run any straight bars in cornIJ

 

[C]

Brodale, I started using spike tooth on the rear just because I do a lot of changing from beans to corn through the fall. I wouldn't have it any other way, it does take a bit of power but no rumbling from those straight bars in edible beans. I think running straight bars and trying to do edibles is really hard on the cage.

 

[Mac]

I used to have eight straight bars on the rotor of my 1688. Two years ago I removed the four closest to the front and replaced with one regular rasp and one spiked rasp. Still had some rumble in tough beans so last year I did the same with the remaining four bars prior to beans. It worked great but I thought I would have trouble with rotor loss in corn but not so. I now intend to try this setup in winter wheat. I hope it works so I don't need to put any straight bars back in. Not sure what it will do to the straw.

 

[Brodale]

What is your corn yield and moistureIJ

 

[Butch]

I have a specialty rotor in a 1680,have had good results with only two straight bars on the rear of the rotor. I had four but removed the two closer to the front and put on regular rasp bars.I also run disrupters in the grates.When I removed all the straight bars I will get some rotor loss in corn,say at 22% 180-220 bu.I also do spring wheat and found some rotor loss in higher moisture straw.In soybeans you would not need any straight bars,but who wants to change them all the time.The two straight bars on the rotor with disrupters do a pretty good job in tough material, no real rotor rumble and yet keep rotor loss at a minimun,without haveing to make a bunch of changes. My 1680 has the new style fan and the long seives,also use a 25' flex-hd and 1083 corn hd.

 

[Mac]

Corn yield was 160 - 180 in fall of 06.

 

[redhat]

Both windrow and spread, don't notice a large amount of difference. Have not had to install the straights in corn, like I said I am watching for rotor loss and will re-install when I start to see some. I think the grates stay more open and allow better separation with the 9 spiked bars in the rear. I see that the 8010_7010's are setup this way from the factory now too.

 

[Red_Greene]

Now I have to ask you guys that are using spiked bars on wheat. Don"t you get a lot of straw in the hopperIJ I'm under the impression that the spikes break the straw apart too much and the cleaning system can't blow it all out. Also I have been told by putting spikes in, that rotor loss would be less in corn and probably wheat too.