[AT] country disc well grounded

[charlie hill]

Famer I knew it wouldn't insult you or George or the other Cub guys that I'm 
aware of on the list these days.  I just remember the trouble I got in for 
making an accurate but negative statement about one of those "cute" little 
cubs a few years ago.  In fact I think that scuffle might have been the 
driving force behind the formation of the Cub list.  I was just trying to be 
PC.  grins.

Charlie
----- Original Message ----- 
From: "Francis Robinson" <robinson at svs.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Tuesday, January 08, 2008 9:00 PM
Subject: Re: [AT] country disc well grounded


>
>
> --On Tuesday, January 08, 2008 9:33 AM -0600 Larry D Goss
> <rlgoss at evansville.net> wrote:
>
>>> From my memory of using a John Deere L as a kid, I don't think that will
>> pull it either.  The L did alright with a single disk that had six disks
>> per  side, but it would have trouble with something this size.
>>
>> Larry
>>
>
> *******************************************
>
>
> Saying it would not pull that disk is not insulting to us CUB guys. We
> already know what it was made to do and what it will do. CUBS do a
> remarkable job of plowing and cultivating and mowing with a CUB mid mount
> sickle bar mower. They do fine with a properly sized disk but properly
> sized are the key words. Most of those little tractors like the IHC CUB, 
> AC
> G, Deere L & LA and other little tractors of that size will pull a 4'
> double disk fine in about any conditions and a 5' one in good conditions
> but don't plan on burying it.   :-)   I can't tell the width of the one
> being discussed here but would guess that it was maybe a 6' disk. We 
> pulled
> a 7' Ferguson disk with a Ford 9N, an 8N, a TO-20 Ferguson, a McCormick
> 10-20, a Deere MC, and a Deere 40 crawler. It had a smallish drag on the
> back of it. It had been originally designed so that you used the tractor
> lift arms to operate a linkage to pull the "set" out of the disk for
> transport and for easier turning. We didn't use that on ours since it was
> kind of an involved switch over and a a bit of a pain. We did use a
> swinging drawbar to make turning easier. During many of those years We 
> also
> used a 7' 3 point disk on tractors so equipped. When the Ford Jubilee and
> the IHC 300-U came on the farm we bought a new Dunham 8' disk that was "a
> lot" heavier than the Ferguson and the 3 point disks. You could really 
> bury
> it.
> Conditions vary a lot around the country and differences in tractor
> gearing and weight but here in my area a sort of rule of thumb would be:
> 10 HP to pull a 4' double disk
> 18 HP to pull a 6'
> 25 HP to pull a 7'
> 32 HP to pull a 8'
> 40 to 45 to pull a 10'
> 50 to 60 to pull a 12'
>
> Like I said that is pretty subjective... The 10-20 and the crawlers pulled
> that 7' disk and drag easily but slowly.   :-)  The others I mentioned
> would pull it at 5 MPH.
>
> The first hint I saw that that disk in the picture was not a cheapie was
> in picture 8 where you can see that the outer hitch links are made with
> that forged steel that is shaped kind of like an "I" in cross section and
> that it was formed to the curves instead of being fabricated out of a
> couple of pieces of plain straight bar stock. The cheap implement guys
> didn't use much of that forged steel.
>
> BTW, None of the early old tractors were ever designed for a sometimes
> high impact PTO load like we put on them using rotary brush cutter mowers
> (Bush-hog type) and I believe that use has put more of them in the junk
> heap than any other load.
>
>
>
>
>
> --
> "farmer"
>
>
> Francis Robinson
> Central Indiana, USA
> Robinson at svs.net
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