ðɪs wʌz fˈɑːloʊd ɪn nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi fˈaɪv baɪ ðɪ ˌɑːɹɹˈɛm fˈaɪv plˈeɪn, wɪð ɐ mˈæksɪməm spˈiːd ʌv ænd ðɪ ˌɑːɹɹˈɛm sˈɛvən plˈeɪn, wɪð ɐ mˈæksɪməm spˈiːd ʌv .
This was followed in 1935 by the RM-5 plane, with a maximum speed of  and the RM-7 plane, with a maximum speed of .