What is another word for variable-pitch propeller?
Pronunciation: [vˈe͡əɹɪəbə͡lpˈɪt͡ʃ pɹəpˈɛlə] (IPA) 
The variable-pitch propeller is an important component of aircraft. It allows for the efficient adjustment of the propeller blade angle, which optimizes aircraft performance and fuel efficiency. However, there are also synonyms for the term "variable-pitch propeller". One of these is "controllable-pitch propeller" which is commonly used in aviation. Another term is "adjustable-pitch propeller", which refers to a propeller that can be manually adjusted. There is also the "changeable-pitch propeller" which allows for variable angles of blade pitch during flight. Finally, the "variable-angle propeller" is another synonym, indicating that the pitch angle of the blade can change. All of these terms refer to the same basic concept of a propeller that can be adjusted to optimize aircraft performance.
