Minä sain eri käsityksen.
However, shortly after the introduction of the prop, more powerful engines were developed which rendered the efficiency gains of the single blade moot. Additionally, considering that the balance of the prop was very fickle in changing weather, the already mechanical complex prop just wasn’t worth the effort, so the design never caught on.
Jos yksilapainen olisi paras, niin miksi ihmeessä käytetään vieläkin monilapaisia potkureita?