We wanted to go to the trial today so we had to finish up some adjustments to our device. When Matthew and his dad went to OSH before they came to my house and they showed us something that they had bought, a crank! We immediately attached the crank to one of the legs of our tall saw horse and Ashwin tried it out and said he liked it (since he’s the guy using the ropes). We also added a crossbar to the handle to make it easier for Anisha to push with the handle. After we put on the crank and the crossbar tested them out with our own sand at my house we packed everything into my dad’s car and drove to the trial.
Right when we got to the trial we put our team name on the sign up sheet and set up our device. After we set up the device we looked around and saw some other teams’ devices. Ashwin unfortunately had to go to a soccer game so he didn’t stay when we tried out the device with the sand pile. But it was still nice to have Ashwin with us since we need all of the team to carry our device!
Finally, when it was our turn to try our device out, we asked Matthew’s dad to stand in for Ashwin. Matthew, Anisha, and I came up with a plan of how to carry the device in so we would have the most amount of time to put the sandbags onto the hopper. We tried out our device and successfully filled all bags. But sadly all of the bags were too light. We thought that the reason the bags were too light was because the sand was pretty wet. We tried it out a second time too, and we managed to fill all ten bags but it took ten minutes. They were all around 5-7 pounds. It took longer the second time because Anisha, Matthew, and I were discussing whether they should stop at 3 minutes or go over the time limit to be able to get all 10 bags filled.
After we tried our devices two times Anisha, Matthew, my dad, Matthew’s dad, and I went to OSH again to pick up some parts that could make our device better. We got a new set of pulleys, rope to go through the green tube (to make it stronger), and cable ties for the handle and the bags. Following this long trip at OSH we drove back to my house and attached the new pulleys, put the rope through the green tube, cut the green tube, and attached the cable ties to the scoop and handle to steady the handle. When we were fully done changing our device we packed everything into my dad’s car so we would be ready for the 10AM trial on Sunday.
Right when we got to the trial we put our team name on the sign up sheet and set up our device. After we set up the device we looked around and saw some other teams’ devices. Ashwin unfortunately had to go to a soccer game so he didn’t stay when we tried out the device with the sand pile. But it was still nice to have Ashwin with us since we need all of the team to carry our device!
Finally, when it was our turn to try our device out, we asked Matthew’s dad to stand in for Ashwin. Matthew, Anisha, and I came up with a plan of how to carry the device in so we would have the most amount of time to put the sandbags onto the hopper. We tried out our device and successfully filled all bags. But sadly all of the bags were too light. We thought that the reason the bags were too light was because the sand was pretty wet. We tried it out a second time too, and we managed to fill all ten bags but it took ten minutes. They were all around 5-7 pounds. It took longer the second time because Anisha, Matthew, and I were discussing whether they should stop at 3 minutes or go over the time limit to be able to get all 10 bags filled.
After we tried our devices two times Anisha, Matthew, my dad, Matthew’s dad, and I went to OSH again to pick up some parts that could make our device better. We got a new set of pulleys, rope to go through the green tube (to make it stronger), and cable ties for the handle and the bags. Following this long trip at OSH we drove back to my house and attached the new pulleys, put the rope through the green tube, cut the green tube, and attached the cable ties to the scoop and handle to steady the handle. When we were fully done changing our device we packed everything into my dad’s car so we would be ready for the 10AM trial on Sunday.
posted by Cassie at 6:56 PM
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