[AT] How can they farm like that

[Cecil R Bearden]

The way I understood the slippage was explained by an Ag engineering 
professor of mine.  He said the 15% slippage was needed to stack up the 
soil behind the lugs to support the thrust of the tire lug.

Cecil in OKla


On 11/22/2015 4:05 PM, charlie hill wrote:
> Certainly an interesting subject Dean.
> I'm sure the pullers study it long and hard.
>
> Charlie
>
> -----Original Message-----
> From: Dean VP
> Sent: Sunday, November 22, 2015 3:55 PM
> To: 'Antique tractor email discussion group'
> Subject: Re: [AT] How can they farm like that
>
> Charlie,
>
> It wasn't too long ago that I read an article about the required optimum
> slippage to get the most HP
> to the ground. That was really interesting as that was something that was
> not discussed on the farm
> that I recall.  I suspect pullers use that to the maximum.
>
>
> Dean VP
> Snohomish, WA
>
> If we can employ guards with guns to protect money, we can and should employ
> guards with guns to
> protect people. Bernard Goldberg.
>
>
> -----Original Message-----
> From: at-bounces at lists.antique-tractor.com
> [mailto:at-bounces at lists.antique-tractor.com] On Behalf Of
> charlie hill
> Sent: Sunday, November 22, 2015 5:15 AM
> To: Antique tractor email discussion group
> Subject: Re: [AT] How can they farm like that
>
> I remember reading one Progressive Farmer article about tire slippage where
> it explained
> that a tire could not roll without slipping (I guess unless it had an
> infinitely small contact patch).
> It continued to discuss the optimum % of slippage for applying HP to the
> ground.  If I remember
> right it was between 12 and 15%.  It occurs to me that that percentage range
> turns up a lot in
> agriculture and construction.  Everything from wheel slippage to moisture
> content in grain
> and also in the wood in a building.
>
> Charlie
>
>
> -----Original Message-----
> From: rlgoss at twc.com
> Sent: Saturday, November 21, 2015 11:33 AM
> To: Antique tractor email discussion group
> Subject: Re: [AT] How can they farm like that
>
> We only had one jack and inadequate cribbing on the farm, so we never
> bothered making sure the treads headed the right direction.  Besides, the
> rear tires had closed ends on the rubber cleats and we were never able to
> detect any difference in traction regardless of the direction of rotation.
> I used to read the tire ads in Successful Farming and wish WE had those
> new-style treads that cleared themselves of mud, etc.
>
>
> Larry
> ---- Don <don.bowen at earthlink.net> wrote:
>> On 11/21/2015 7:39 AM, Indiana Robinson wrote:
>>> On dished wheel tractors like this I always sat the wheels out for
>>> cultivating row crops by switching sides but some guys just flipped them
>>> around one side at a time. I knew several that said that they didn't
>>> have a
>>> jack big enough to lift the whole back of the tractor at once.
>> We switched side to side on the Ferguson for spraying and cultivating.
>> My father also put fluid in the tires.  He would take one wheel off and
>> lean it against the tree then take the other wheel and put it in the
>> other side.  One year while trying to set the first wheel up to roll it
>> he slipped and the tire pinned him against the tree.  He was stuck until
>> my mother called someone to come help.  Luckily no serious injuries.
>>
>> -- 
>> Don Bowen       --AD0NB--
>>
>> _______________________________________________
>> AT mailing list
>> http://www.antique-tractor.com/mailman/listinfo/at
> _______________________________________________
> AT mailing list
> http://www.antique-tractor.com/mailman/listinfo/at
>
> _______________________________________________
> AT mailing list
> http://www.antique-tractor.com/mailman/listinfo/at
>
> _______________________________________________
> AT mailing list
> http://www.antique-tractor.com/mailman/listinfo/at
>
> _______________________________________________
> AT mailing list
> http://www.antique-tractor.com/mailman/listinfo/at