Sickle Mower

Really, really dumb question: Is the section centered ON/IN the guard at the start and end of each stroke OR is the section centered BETWEEN the guards at the start/end of the stroke?
 
section centered IN the guard at each end of pitman stroke.

Everybody starts at zero - asking questions gets you further from the starting line.
 
In the guard both in and out. Learned that about 35 years agos and learned not all pitman arms fit all mowers. Also there is more them one type of sections and not all fit each bar
 
Thanks jCarroll and OLD!
FYI, I have two horse-drawn McCormick-Deering #9 mowers. One is 5'; one is 4 1/2'.
They take two different lengths of pitman sticks. kelly
 
Not arguing however this doesn't sound right. Go past center on each end of stroke? That sounds like the eccentric drive is too big for the bar. Or the wrong bar was installed. But I'm far from familiar with those sickles so...
 
All mowers except the Deere's with a 3 1/2" stroke unlike most mowers with a 3" stroke There thought id doing that is that the cutting edge gets a bit of start before actually starting to cut so pulls easier.
 
Section is moving when it hits the first stem of hay so does not start to cut from a dead stop. Never had one but I see the reaoning behind the discion to make them that way. The section is still in the guard and does not go past it.
 
I've only had experience with newer models of sickles and never seen one that went beyond a guards center point, however I can see that being required on a horse drawn model I guess. Did they space the guards closer together on those older machines causing this to be required?
 
(quoted from post at 11:24:46 08/26/20) I've only had experience with newer models of sickles and never seen one that went beyond a guards center point, however I can see that being required on a horse drawn model I guess. Did they space the guards closer together on those older machines causing this to be required?

"I've only had experience with newer models of sickles and never seen one that went beyond a guards center point"

You must not have looked at John Deeres.

NOT sure if all models do that, but the added stroke has been a DEERE thing on many of their "newer" mpwers.

NO big deal, just note the the section passes the guard point going either way by the same amount when the knife is "in register".
 
Was even a big selling point back in the day
cvphoto54370.jpg


cvphoto54371.jpg
 
(reply to post at 21:40:28 08/27/20)

Interesting! Nope, never seen that before. Still doesn't look right. It's not much different though, it just lets the sickle take a bigger bite of the forage on each stroke is all I see. But if Deere says it produces less draft, who am I to argue?
 

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