Important variations from American design in Bristol 171, first helicopter built by British for commercial applications; notable features outlined and compared with American practice.
Bristol helicopter aims at new performance goals
Aviation Week
Aviation Week ; 47 , n 26
1947
Article (Journal)
English
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Helicopter development at Bristol
Engineering Index Backfile | 1953
History of bristol helicopter department
Engineering Index Backfile | 1955
|Bristol 173 twin-engine helicopter
Engineering Index Backfile | 1952
Bristol 173 twin-engine helicopter
Engineering Index Backfile | 1952
Notes on development of Bristol 171 helicopter
Engineering Index Backfile | 1951
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