Vol 21 No 2 May 2026

Articles

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  EFFECT OF SECTION THICKNESS ON NODULAR GRAPHITE FORMATION AND MECHANICAL PROPERTIES OF DUCTILE CAST IRON

  Moch Chamim,  Sekolah Tinggi Teknologi "Warga" Surakarta,  Indonesia

  Edi Sarwono,  Indonesia

  Haikal Haikal,  Sekolah Tinggi Teknologi "Warga" Surakarta,  Indonesia

  Margono Margono,  Sekolah Tinggi Teknologi "Warga" Surakarta,  Indonesia

  43-50

  DOI : https://doi.org/10.26740/otopro.v21n2.p43-50
  Abstract views: 92 , PDF downloads: 66

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  SIMULATION OF FATIGUE AND DEFORMATION OF CARBON FIBER DRONE PROPELLERS USING THE FINITE ELEMENT METHOD (FEM)

  Syaiful Arif,  Universitas Pamulang,  Indonesia

  51-59

  DOI : https://doi.org/10.26740/otopro.v21n2.p51-59
  Abstract views: 149 , PDF downloads: 68

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  EXPERIMENTAL STUDY ON OTTO ENGINE PERFORMANCE WITH VARIATIONS IN COMPRESSION RATIO AND GASOLINE OCTANE

  Bahtiar Rahmat,  Politeknik Industri Furnitur dan Pengolahan Kayu,  Indonesia

  Irwan Setyo Prabowo,  PT. Alcona Nusa Utama,  Indonesia

  Yuris Bahadur Wirawan,  Politeknik Negeri Semarang,  Indonesia

  Fahmy Zuhda Bahtiar,  Universitas Ivet,  Indonesia

  60-68

  DOI : https://doi.org/10.26740/otopro.v21n2.p60-68
  Abstract views: 123 , PDF downloads: 90

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  DESIGN OF A LIFTER FOR HORIZONTAL CHAMBER MACHINE IN A LEAF SPRING PRODUCTION LINE: A CASE STUDY AT PT. XYZ

  Ahmad Saepuddin,  Universitas Negeri Surabaya,  Indonesia

  Rachman Arya Syahputra,  Universitas Negeri Surabaya,  Indonesia

  69-77

  DOI : https://doi.org/10.26740/otopro.v21n2.p69-77
  Abstract views: 81 , PDF downloads: 52

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  EVALUATION OF INJECTION MOLDING PROCESS PARAMETERS ON THE QUALITY OF BRAKE FLUID RESERVOIR CAP PRODUCTS USING MOLDFLOW SIMULATION

  Adinda Rahmah Shalihah,  Polytechnic STMI Jakarta,  Indonesia

  Aditya Bagja Subarkah,  Polytechnic STMI Jakarta,  Indonesia

  Farras Novyansyah,  Polytechnic STMI Jakarta,  Indonesia

  Irfan Fadillah,  Polytechnic STMI Jakarta,  Indonesia

  Ammar Fathi Muhadzab,  Polytechnic STMI Jakarta,  Indonesia

  Hafizh Maulana Alfath,  Polytechnic STMI Jakarta,  Indonesia

  Ulima Adristi Azis,  Polytechnic STMI Jakarta,  Indonesia

  Hikari Qurrata’ain Nurhadi,  Directorate General of Metal, Machinery, Transportation Equipment, and Electronics Industry,  Indonesia

  78-84

  DOI : https://doi.org/10.26740/otopro.v21n2.p78-84
  Abstract views: 119 , PDF downloads: 71

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  NUMERICAL INVESTIGATION OF REAR WINDSHIELD ANGLE AND REYNOLDS NUMBER EFFECTS ON THE AERODYNAMIC PERFORMANCE OF A SALOON CAR

  Dwi Tarti,  Indonesia

  Ika Nurjannah,  Universitas Negeri Surabaya,  Indonesia

  Herman Sasongko,  Institut Teknologi Sepuluh Nopember,  Indonesia

  85-94

  DOI : https://doi.org/10.26740/otopro.v21n2.p85-94
  Abstract views: 79 , PDF downloads: 55

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