Answer :
Final answer:
The Cessna 172 typically utilizes a fixed pitch, direct drive two-bladed propeller. This type of propeller is simpler and less expensive but lacks the flexibility of a variable pitch propeller.
Explanation:
The type of propeller installed on the Cessna 172, a popular light aircraft, is a fixed pitch, normally direct drive two-bladed propeller. This means that the propeller's pitch, or angle of the blades, is set and cannot be changed during flight, making it a more simple and straightforward design than a variable pitch propeller.
In the context of aircraft, a fixed pitch propeller has its benefits and drawbacks. Its relative simplicity means it's less expensive and requires less maintenance. However, it's not as efficient as a variable pitch propeller in every phase of flight because the pilot cannot adjust it to various flight conditions.
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