Helicopter Engineering and Construction Corp is building one-placer, to have 100-mph top speed with 75-hp Continental; also scheduled is 2-seater of similar layout.
R.I. firm develops two new utility 'copters
Aviation
Aviation ; 45 , n 6
1946
Article (Journal)
English
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Springer Verlag | 2021
|Online Contents | 1996
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Look at tomorrow's passenger copters
Engineering Index Backfile | 1951
|Look at tomorrow's passenger copters
Engineering Index Backfile | 1951
|