Plot Comments This combine with the large singles showed a relatively low soil pressure at 6 inches despite having a tire pressure that is well above 20 psi. The large footprint of this tire helps the tire float. There is still a high pressure being developed at 12 and 20 inches due to the weight. […]
Plot Comments This Unit is another good example of the advantages or Central Tire Inflation. On both the left and right sides the plots show a reduction in soil pressure when tire pressure was lowered. This particular tire on the right hand side is a very round tread face and generates a high soil stress […]
Plot Comments This sprayer was equipped with CTIS however it was not used to test different tire pressures due to a malfunction The plots show the balance between the left side and right side tires. The peaks on the plot show the balance of the machine with most of the weight on the rear tire (last […]
Plot Comments This is a small loader tractor with and without a bale. The front right tire was slightly wider than the left side but there was not much of a decrease in soil stress with the wider tire. In both instances the bale added load to the front tire. […]
Plot Comments This shows a typical gravity wagon with a normal radial and a VF tire. The final peak on the plot E36_L_ 4 would be expected to be higher. However the challenge of aligning both left wheels over the sensor meant that it did not measure under the center of the tread face. There was not a substantial difference […]
Plot Comments The response of the cart is typical of a implement with moderate weight and high inflation tires. Response at the surface is much higher than it could be with a low inflation tire, but the moderate amount of weight does not generate much stress at the 20 inch depth. The response of the […]
Plot Comments Due to alignment the tractor was not able to drive over the sensors so only the cart tires were tested. The round profile of the face of this tires meant that the pressure response was non uniform across the face. This meant that the center of the tire applied more soil load (E24_R_3). The other plot […]
Plot Comments This Unit was test on sensor locations 2 and 4. Notice how the 12 inch 20 inch stress was slightly higher for the location 4 (E30_w-disc_4). Also notice how the disc-ripper in the raised position was placing a much higher stress on the soil than the tractor. […]
Plot Comments This Unit again shows the relatively low pressure exerted on soil by articulated tractors with large tires or tracks. Note the difference between the two plots for this tractor is likely due to the change in soil properties between sensor installations. This demonstrates that the soil conditions can have a big impact on how the load […]
Plot Comments This Unit is a very nice demonstration of well balance duals on an articulated tractor This setup did not have much weight on the tractor and draft load from any equipment would increase the pressure on the rear tires. […]
Plot Comments This unit compared dual tires to a Low Sidewall (LSW) tire. The plots label with tue and Tuesday did not have the LSW tire installed and only compares duals and singles. In that case the duals reduced the load on the soil compared to the single tire The plots label “Wed” show that the […]
Plot Comments This Unit again shows the varying pressure distribution across the face of a track. The pressure under the rollers in the track unit is higher that the pressure in the center of the track face. […]
Plot Comments This Unit again tested a bias and a VF radial tire on the center section of the planter Inflation pressure are similar in both tires. It may be the case the the bias ply tire was at the maximum inflation pressure and would not be suited to carry this load. Soil pressure is […]
Plot Comments This track unit was much better suited to this application compared to the tires that were tested on Unit E21. From a load carrying and soil compaction, the track system out performed tires for this load. […]
Plot Comments This Unit compared a bias ply tire and a VF tire on the center section of a central fill corn planter. Note that the tire pressures for this unit are similar and in fact the VF tire was inflated to a higher pressure which is not what would be expected. To carry the load on the bias ply […]