Rotol Airscrews of England has announced 4-bladed hydraulically controlled variable pitch propeller, hub diameter and weight being actually less than equivalent 3-bladed 35° variable pitch propeller which is fitted to latest Spitfires and Hurricanes; further development is four-bladed electrically controlled variable pitch propeller also by same Company.
Four-blade propeller by rotol
Can Aviation
Canadian Aviation ; 14 , n 7
1941
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Rotol contra-rotating propeller
Engineering Index Backfile | 1942
|Rotol variable pitch marine propeller
Engineering Index Backfile | 1946
Engineering Index Backfile | 1946
Engineering Index Backfile | 1940
Engineering Index Backfile | 1944