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ITS Spektronics defends title in International Chem-E-Car

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 IO, Surabaya – Having to take a hiatus from participating in the Chem-E-Car competition for almost a year due to the pandemic, the proud team of the Sepuluh Nopember Institute of Technology (ITS) Surabaya, Spektronics, represented by Spektronics XX, managed to hold to its standards: the XX Spektronics Sub-team was declared the first-place winner in the International Chem-E-Car competition, or the 2021 Indonesia Chem-E-Car Competition (ICECC), which was held on April 11. 

The success of Spektronics XX cannot be separated from the hard work of five ITS students: Michael Adrian (Chemical Engineering 2018) as team leader, Lulu Sekar Taji (Industrial Chemical Engineering 2019) in charge of data processing, Delvin Theodorus (Chemical Engineering 2019) car runner, Rafli Revansyah (Chemical Engineering 2020) in charge of chemical, and Abdul Quddus Al Kahfi (Chemical Engineering 2020) as the person in charge of mechanicals. Spektronics XX achieved an almost perfect race score and the highest among 21 teams from domestic and foreign universities. 

In the Chem-E-Car competition, held online at the ITS campus, all teams are required to build a prototype car propelled by fuel from chemical reactions. The car must stop at a specified travel distance while carrying a load. Lulu, the only woman at Spektronics XX, explained that cars are powered by pressure from oxygen gas (O2), as a result of a hydrogen peroxide (H2O2) decomposition reaction. Oxygen gas then passes through the pressure regulator set to filter the gas produced, regulate output pressure, and control the speed of gas flow. 

After passing through the tool, oxygen will enter the pneumatics which function as a power unit. “This pneumatic movement will move the wheels by utilizing pulleys and belts as intermediaries so that it can reduce errors from tire rotation and increase the torque of the car,” said the student from Batam, who was born in 2000, in a release received by the Independent Observer, Friday (16/4/2021). 

According to her, the success of the Spektronics XX car in the ICECC 2021 Race was due to three unique features that distinguished it from other team cars, namely, the transducer, timing pulley and materials. The transducer is a pressure-reading sensor connected to a micro-controller in the form of an Arduino and an LCD. The data read by the transducer is sent to Arduino, which sends the output to the LCD. “The use of this transducer increases the accuracy of the pressure reading produced by oxygen compared to using a pressure gauge,” she explained. 

The timing pulley feature in the Spektronics XX car works to reduce distance errors caused by rotation of the camshaft. Another unique feature: the material used in the Spektronics XX car is high quality and suitable to prevent corrosion. In the process of working on it, Lulu said that time was limited because her team was also preparing another project. “However, with persistence and cooperation between team members, Spektronics XX successfully competed in ICECC 2021.” 

In the future, the ITS Spektronics Team will continue working to produce more innovative ideas. “Thus, we can defend our championship titles in other Chem-E-Car events and provide inspiration for other ITS students,” she said hopefully. (est) 

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