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Stone Boat Tractor Pulling

A

Anonymous-0

Well-known Member
Please excuse my ignorance, but how does a stone boat sled work? The ones with the shifting load make sense to me but how can a load of stones, or pumpkins, get harder to pull as the tractor goes forward?

Glenn F.
 
It gets harder, only when more weight is added. Transfer sleds usually give you 1 pull, stone boats afford you multiple pulls, because they keep adding weight until no one can pull it any more.
 
Adding weight as the sled moves forward? If not, it seems to me, if the tractor can get the boat moving it'd go till it ran the fence down at the end of the track.

What am I missing here?



Glenn
 
then they add more weight and the next contestant tries to pull it back - multiple pulls until some ends up the pullingest.
 
What you are missing is they pull the stone boat a set distance, once everyone has had a chance at that weight, they add more weight and start over again with those that made a full pull at the previous weight attempt, last man standing wins. Our club, and probably most base it on weight pulled in % in relation to the weight of the tractor.
 
About the same as horse stone boat pulling. Watch some youtube horse pulling videos and you will get the picture. It is the same principal. The tractor stone boat pulls on youtube normally show one tractor.
Check Here
 
(quoted from post at 18:24:21 11/09/13) Adding weight as the sled moves forward? If not, it seems to me, if the tractor can get the boat moving it'd go till it ran the fence down at the end of the track.

What am I missing here?

No, once you are pretty much at the max load that you can pull, you can get it moving but just barely, then one tire hits a soft spot, boat scratches a pebble, front end comes up a little too high, RPMs come up a little too high, Any one of twenty different things and you are done, but hopefully an inch further than anyone else. All of the little details come into play but kind of like magnified compared to transfer sled.



Glenn
Click to expand...
 
They have used a "dead sled" as it is called, for many years at our local community fair. It is preferred by many as they say it reflects the skill of the driver, not just the strength of the tractor, to accomplish a full pull of 27 1/2 feet, which is twice the length of the sled. The weight is not added as it is pulled, everyone pulls the same load, then more weight added for the next round until all are out, the winner being the one who pulls it the farthest.
Tractor Pulling Rules
 
Years back in my part of the country they started with a dead weight. There would be a chair & a stake on each side of the track every 10 feet, with a volunteer assigned to each. As the sled went by, an "official" walking beside the sled would tap the volunteer on the shoulder & he would step onto the sled, thus adding their weight to the load. At the end of the run the volunteers would step off & walk back to their chairs while a heavier tractor pulled the sled back to the start line.
For pulls in the next weight class more dead weight such as concrete block or a tractor would be added at the start line. In some cases the winner of the lighter class would put his tractor on & "victory ride" each pull in the next heavier class.
When everything worked as planned each volunteer stepped onto the sled at just the right time & at the end of each pull returned to his assigned chair. Didn't always work that way. Sometimes a 250 or 300 volunteer would step on the sled early or late to favor his buddy's chances.
Willie
 
We still pull this way around here. Only we pull on concrete and use cement weights. We p pull dead weight and dead weight % in the antique class
 
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