Posted by Leroy on September 24, 2012 at 06:16:09 from (188.8.131.52):
In Reply to: re-blading disk posted by GRB054 on September 23, 2012 at 18:32:20:
A lot depends on the type of disk. Blade spacing is one item to consider, does that older blade cut all the ground between what the front blades cut or does it just cut a furrow? Gang adjustability comes into play as well. If they will completely cut all the ground and not leave uncut strips then as long as you can get the depth you need you are OK. What size was it avaible from factory with, only 20" blades? or was it avaible with 18" or even 16" blades? If it was avaible with the 18" you are about where the orignal new blades were but if 20" was smallest avaible and a 22" was option then you would be due for blades. Never had a disk with that large a blade but on disks with either 16" or 18" the 18" would work a lot better and you could go down to the next smaller 16" in were and still be equivilant to what was avaible but by then you are starting to loose cutting ability due to loosing the concavity of the blades. When you loose to much of that you might just as well have a flat blade. So question is what was avaible on your machine when it was new, the 16",18" & 20" blades or 18", 20" & 22" blades or only 20" or 22" or possibly a 24" blade? Need to take that all in consideration. Some disks the blade spacing was as small as 5" while others will be 12" or more. Wider space requires larger blades.
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