[Farmall] newbie questions

Mike Sloane mikesloane at verizon.net
Fri Oct 3 07:43:31 PDT 2008


In addition to Steve's comment, this starts out as a geometry question 
(with the center of gravity changing minutely as the tractor starts to 
roll sideways), until the axle stop has been struck. From that moment 
on, it becomes a physics question , and then ends up as a medical issue 
when the tractor winds up on top of the operator. :-)

Mike

Stephen Offiler wrote:
> OK, let's nitpick for a moment.  A solid body has a center of gravity
> that is a fixed point.  The wide front tractor is NOT a single solid
> body, as the pivot allows the axle to act as a separate body.  They
> become one body when the tractor hits the axle stop.
> 
> Steve O.
> 
> On Thu, Oct 2, 2008 at 7:46 PM, Howard R Pletcher <n9ads at juno.com> wrote:
>> The center of gravity is a fixed point in the tractor determined by the
>> distribution of the weight.  It does not change, even upside down, unless
>> something moves on the tractor, like lifting a loader.
>>
>> The distance between the CG and the point about which it is pivoting does
>> change when the the end of the axle pivoting is reached and the pivot
>> point moves out.  When the CG goes beyond the point about which it is
>> pivoting, the tractor goes over.
>>
>> That's the physics of the matter
>>
>> Howard
>>
>> On Thu, 2 Oct 2008 18:00:34 EDT CDHORN at aol.com writes:
>>> Sorry...  The center of gravity DOES change when the end of the pivot
>>>  point is reached.  There is no debate on this issue, it's a matter of
>>> physics.
>>>
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