Redesign of Dual Propulsion System on a Kamikaze Submarine for Underwater Speed Optimization

Pompy Pratisna; Anton Nugroho; Achmad Kurniawan; A. Abdurrohman Wahid

doi:10.55927/modern.v5i6.75

Authors

Pompy Pratisna Sekolah Tinggi Teknologi Angkatan Laut
Anton Nugroho Sekolah Tinggi Teknologi Angkatan Laut
Achmad Kurniawan S1 Mechanical Engineering Study Program, Faculty of Engineering, Sekolah Tinggi Teknologi Angkatan Laut (STTAL), Surabaya
A. Abdurrohman Wahid Sekolah Tinggi Teknologi Angkatan Laut

DOI:

https://doi.org/10.55927/modern.v5i6.75

Keywords:

Dual Propulsion System, Propeller Geometric Characteristics, Efficiency, Stability

Abstract

This study redesigns a dual propulsion system for a kamikaze submarine to improve underwater speed, propulsion efficiency, and straight-line stability. The research used an experimental engineering approach involving mechanical design, component selection, assembly, and laboratory performance testing. The selected DC 775 motor provided a specific power output of 24.38 W/kg, while a 5.5 cm four-blade propeller was matched to the motor torque characteristics. The New Rain 480A Electronic Speed Control was used to manage motor current, with the system achieving an estimated propulsion efficiency of 55%. Synchronization of the two motors through RPM adjustment improved straight-line motion stability. The proposed configuration also maintained a compact layout and used a standard leak-proof shaft arrangement suitable for the available hull space

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