Re: Question about new Super M

Posted by captaink on March 08, 2005 at 10:53:37 from (66.115.214.56):

In Reply to: Question about new Super M posted by Matt - Utah on March 08, 2005 at 09:43:48:

Anytime a tractor (or anything that moves) is not operated on a level surface, concern about tipping over is justified because the steeper the slope the easier it is to tip something over. Operational techniques that will help prevent disaster must be implemented, but will not guarantee an upset will not happen. I can not stress enough that operating tractors on slopes is dangerous and the operator must be knowledgeable about the laws of physics and extremely careful. Even then accidents happen, please don’t be in one of them.

Now, to answer your question, compared to driving forward up a slope, backing up a slope will help prevent end over end tipping for two reasons. First the power wheels will be higher up the slope, pulling you up the hill rather than pushing. The rotational "equal but opposite" force will be adding weight to the front end (lower than the rear end) of the tractor rather than trying to lift it up. When backing you will loose traction on the driving (pulling) wheels before there will be enough gravitational force to raise the rear end off the ground. A front pull plate can be attached to the front of a tractor with a narrow front, or you can fabricate one that will bolt on the frame. Either of these will be a hitch point to pull from.

Backing so that you are going straight up the incline will help prevent tipping sideways. Lowering the pulling point on the tractor will also lower the “center of gravity” allowing the tractor to be more stable. Widening the rear wheels to the ends of the axles and adding weights will also add to the tractors stability against tipping over sideways.

BE CAREFUL! Think about how gravity will be working on the tractor on that slope by walking on it and carrying a 10 lb bag of sugar on your back. Walk up the hill forwards (you will need to lean ahead) and then back up the hill to get a better understanding of the forces on the tractor.

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