sˌʌm ʌv ðoʊz sˈaɪzᵻz pɹˈuːvd təbi aɪdˈiəl ɪn nˈæɹoʊ bˈoʊts, ænd sˌʌm bˈɑːlɪndɚ mˈoʊɾɚz ɑːɹ stˈɪl ɪn jˈuːs fɔːɹ ðɪs pˈɜːpəs.
Some of those sizes proved to be ideal in narrow boats, and some Bolinder motors are still in use for this purpose.