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Journal : Jurnal E-Komtek

Modification of the Four-Step Motorcycle Camshaft Used in Making Salwa Cars (Go Card) Dwi Dwi Jatmoko; Rudi Kurniawan; Aci Primartadi; Suyitno; Arif Susanto
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 5 No 2 (2021)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v5i2.787

Abstract

To meet the needs of racing, both drag bike racing and road races, vehicles or motorcycles with conditions still standing are not enough. Therefore, it is necessary to modify certain parts, including modifying the chassis, body, and engine. The three parts are very related. Of the three parts, the most priority is modifying the engine because the engine is the main factor in a vehicle or motorcycle. What is needed in modifying the engine is improving engine performance or maximizing engine performance. In this study, the author chose a four-stroke kharisma motorcycle because the modification did not require many changes from the standard conditions. Drag bike racing and road racing have similarities in modifying the engine. Only the difference is in terms of calculating engine endurance. Drag bike racing does not need long engine endurance because it only drives on straight tracks, while road races must think about engine endurance because the engine works in rough terrain conditions varies.
Salwa Cars Structure Testing Standards Regulation Formula Society of Automotive Engineers Dwi Jatmoko; Agus Haryadi; Arif Susanto; Aci Primartadi; Mohammad Reza Listiana
Jurnal E-Komtek Vol 6 No 2 (2022)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v6i2.1054

Abstract

This research was to find out the results of the bending and torsional stiffness testing of the SALWA car according to Formula SAE 2021 regulations. The research method was by designing through Solidworks 2014 software. Testing of test specimens referred to Formula SAE 2021 regulations. The front impact test results produced max Von Mises 1046.921 MPA with a displacement of 8,540 mm; the rear impact test resulted in a max Von Mises of 222,529 MPa with a max displacement of 6.85 mm; and the side impact test resulted in max Von Mises Stress of 104.15 MPa with a max displacement of 9,116 mm. In the front torsional test, the max Von Misses Stress reached 135,266 MPa with a total max displacement of 4,844 mm. The rear torsional test had a max Von Mises Stress value of 147,144 MPa with a displacement of 5.51 mm. The feasibility test still found connection and construction placement errors, and there was a low Factor of Safety value. In conclusion, the construction of the SALWA Electric Car prototype frame is not in accordance with Formula SAE regulations.