aarolar
Platinum Member
Sounding better all the time if I can get two seasons per set I'd be tickled, I called today and they are moving one from another store to my local one. Sound be here in a week or so if I like how it looks I'll probably bring it home with me.Good question. In ten years of mowing in fields with plenty of rocks, I've never had a blade "wear out" and never even reveresed them much less sharpened any but that is largely due to the fact that I lose blades regularly and replace them. The original Caroni supplied metric clevises are engineered with a shoulder to be the weak point and they do break when hitting a big enough rock. When a clevis breaks you lose the knives. I don't know if I have any of the original clevises left so I doubt I have any original knives. I now use 3/8" clevises from Flailmaster. Good news is that none of them has broken after a rock strike. Bad news is that the knives break if the clevis doesn't. Over the past ten years I have probably gone through at least 60-70 knives but all because of loss in the field.
I am pretty sure my experience is only relevant to folks in rocky post glacier regions of New England. If I had to guess I'd say that a set of knives would last 4-5 years in the north and maybe 3-4 years in the south before needing to be reversed if you are mowing grass and brush rather than rocks.