In Reply to: Re: Peterson/Rigid Airfoil Chaffer posted by Super on November 09, 1999 at 20:31:20 CDT:

Thanks for the response. A relative of mine has a rigid airfoil in his 4420. We tried it in clover last year, got a little less chaff but more sticks than with the long tooth chaffer in my combine. I think I might go ahead and buy a peterson for mine.