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Difference between sickle sections

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Flewster

07-07-2007 20:29:00




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What is the difference between top serated and bottom serated sickle sections besides the obvious ones. My NH 44 45 46 mower has bottom serated sickles that need changed but it is hard to find those. Would it be ok to put the top serated sickles on this machine. the book does not say anything either way.




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Leroy

07-09-2007 02:51:57




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 Re: Difference between sickle sections in reply to Flewster, 07-07-2007 20:29:00  
It has only been the last few years the top serated sections have been used on mowers, never heard of them on mowers till on this board. When your mower was made and 99.9% of all cycle bar mowers they came from the factory with bottom serated and top was not an option, only smooth as option. The top serated were always only for combines in dry straw and the bottom can be sharpened after they wear downwithout any problems, they can be sharpened till they are the same as the smooth sections. Sharpening a top serated section can also be done but it will become a smoth section faster than the bottom serated. I think most using top serated sections on any mower have grabed look alike hole spacing combine sections instead of mower sections not knowing the difference.

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Flewster

07-08-2007 09:06:03




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 Re: Difference between sickle sections in reply to Flewster, 07-07-2007 20:29:00  
Thank you. I do believe that I am going to go with the top serated sections and bolts to ease the changing process. Rivets suck. For this old mower it does need some TLC and I plan on giving it that. I got all my hay equipment (mower, rake and baler) for $1000 so I feel that I am off to a good start. The baler needed work on the hay dogs and such but it now makes fine looking bales. Too bad I had not found this site before because I have a barn full of bannana bales from it. Guess I will feed that to my animals this year and if I get a second cutting on my brome that is what I will sell. I have 40 acres with 22 in pasture with a pond and about 12 acres of brome and the rest is corral and up close pens for winter along with the house. That 12 gave me about 600-700 bales so I feel good about my purchases. Just to prove poor people have poor ways I have no equipment under 40 years old. 1960 D17 tractor a NH 44 7" Sickle mower, a 196? NH 56 rake and a 196? NH 271 wire tie baler. All told I spent 4500 on everything and guess what..... it is paid for lock stock and barrell..... ...My granddad tought me that if you have paid for equipment the maintenance is far cheeper than monthly payments and if you take care of it it will take care of you. I just got back on the farm after 18 years of city life..... .wish I could go full time farm as I love the outdoors. I raise broilers, laying hens, sheep and hogs. Someday I will buy the 40 next to me and continue to expand.....maybe Ii can leave the corporate rat race and do what I love..... .I got off topic but needed to ramble..... .got to go put on sections..... ...

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Randy as in Randy-IA

07-08-2007 10:47:01




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 Re: Difference between sickle sections in reply to Flewster, 07-08-2007 09:06:03  
Hi Flewster . I use bottom serrated sections because they can be hand sharpened . Top serrated are more or less self sharpening as they wear down . The bottoms need to stay flat so that side can't be sharpened . If you are cutting straight grass hay then from what I've heard smooth sections work best . I've never found any at our farm stores though so I've never tryed them . BTW , some of us truly poor people would give a left nut for 40 acres of land . I struggle to afford 13 acres . And with land here hitting over 5 grand an acre my chances of expanding are zilch . But I agree with you about taking old equipment and making it work again and since it's paid for maintenance is far cheaper than newer to new equipment ( read payments ) to a point . I don't believe I'll ever get my " investment " in old equipment back if I ever decide to sell something but I've never been in it for the money , it's just something I enjoy doing . I was raised winters and schooled in a big city ( St. Louis ) and summer break on the farm in Geogia , so now I live in Iowa for no particular reason . So I know somewhat how you feel . I just bought this place three years ago after renting 6 acres of it for 16 years without the hay field . Sorry about my rambling's in your thread . Good luck with the sickle sections . Try one thing this year and something else next year . That's what builds experience . ...Randy

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RodInNS

07-08-2007 07:27:46




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 Re: Difference between sickle sections in reply to Flewster, 07-07-2007 20:29:00  
I don't do much work with mower conditioners or anything else with a sickle bar, so take this for what it's worth....
Of what I've seen, the bottom serated sections need to be sharpened more often, or they won't cut.... so a gguy spends his time sharpening them to try and save a few bucks over replacing them.
Of the guys that I've seen with over serrated knives..... they don't bother sharpening them. They wear it down until it doesn't cut well, and then change the scythe. One old guy I used to know would change the scythe in his NH 495 haybine every year, without fail, and kept the old ones for spares on the back wall of the shop. That mower always cut at 5+ mph too, and never spent much time backing up. Might have cost more in parts, but it cost less in fuel.... You might decide for yourself which is cheaper, but they didn't try to squeeze the last bit from a scythe.

Rod

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Flewster

07-08-2007 06:54:52




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 Re: Difference between sickle sections in reply to Flewster, 07-07-2007 20:29:00  
So what your saying is that the bottom serated sections can be sharpened and the top not.....



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Don-Wi

07-07-2007 23:19:55




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 Re: Difference between sickle sections in reply to Flewster, 07-07-2007 20:29:00  
Bottom serrated self-sharpen to a point. With top serated sections, once the serations are worn from the top there isn't much you can do but to replace them again.

That being said, if you can only find one or the other, they should be absolutely fine. As long as they still cut good, no matter what they look like, they're still plenty servicable and can still be run.

Others will have their own opinion of what cuts best in what crop, but I havn't noticed any difference in top vs. bottom serrated sections.

Donovan from Wisconsin

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