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Satoshi Goshima

Satoshi Goshima

SubaruDevelopment lead

Saw electronically controlled dampers as the key to the next step, and brought together development of the new Levorg and WRX S4

Timeline

  1. 2020
    Levorg 2nd generation
    Levorg 2nd generation

    2020–presentDevelopment lead

    1.8 Liters Was Decided from a Single Cylinder

    In the second-generation Levorg, the engine grew from 1.6 liters to 1.8 liters. According to Goshima, who led the development, Subaru today decides everything from the efficiency of a single cylinder. It determines the structure and displacement of the one cylinder that produces the most torque with the best combustion efficiency, and four of those make up the total displacement. The 1.8 liters came from the single-cylinder displacement derived by considering the sweet spot of lean combustion, and he says it was not simply a matter of lengthening the stroke to gain torque. Asked whether the 1.6-liter cylinder had been optimal at the research stage of the previous generation, Goshima answered that injector performance and the swirl after fuel injection differ from generation to generation. His grandfather worked at Nakajima Aircraft and his father at Fuji Heavy Industries, making him a third-generation Subaru man, and he laughs that even his DNA is Subaru blue.

    Subaru

  2. 2021
    WRX 2nd generation WRX S4 (VBH)
    WRX 2nd generation WRX S4 (VBH)

    2021–2026Development lead

    Tomica WRXs as a gift

    The moment he was put in charge of the new Levorg and WRX S4, Goshima decided that electronically controlled dampers were the key to the next step, and consulted ZF. At first ZF was too busy and turned him down, but he went to Germany with a lot of Tomica WRX toy cars as gifts and persuaded them, saying he wanted to build the new version of this car next. When he tried the stiffest setting on a test car and said he wanted to go that far, he was told other makers don't go that far, and he explained that the WRX is that kind of car.

    Project General Manager, Product Planning Division

Connections

Satoshi Goshima

Satoshi Goshima

    • Yasunori Kumagai

      Yasunori Kumagai

      Superior

      When the first-generation Levorg project got under way, Goshima worked on the interior under Kumagai in the project team.

    Profile

    Project general manager in Subaru's Product Planning Division. He brought together the development of the second-generation Levorg and the second-generation WRX S4.

    Translated from Japanese sources.

    Subaru engineers

    All Subaru engineers