How de Havilland vibration department tackles problems arising from propellers of Bristol new type 170; use of strain gages; damper introduced into blade root consists of metal ball which is free to roll to and fro on curved track; ball produces force opposing vibration of blade.
Airscrew vibration testing
Flight
Flight ; 53 , n 2043
1948
Article (Journal)
English
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SLUB | 1937
|TIBKAT | 1937
|Emerald Group Publishing | 1944
|Engineering Index Backfile | 1945
Engineering Index Backfile | 1932