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How much horsepower does a Cessna 172SP have?

Published in Aircraft Engine Power 2 mins read

The Cessna 172SP is equipped with a 180 horsepower engine. This specific model, introduced in 1998, derives its power from a Lycoming IO-360-L2A engine.


Understanding the Power Behind the Skyhawk

The Cessna 172 Skyhawk, particularly the "SP" variant, is renowned for its reliability and widespread use in flight training and personal aviation. Its robust power plant is a key factor in its consistent performance.

Engine Specifications

The Cessna 172SP utilizes a horizontally opposed, air-cooled, direct-drive Lycoming engine. The "IO" in IO-360 signifies "Injected O-series," meaning it's a fuel-injected engine with horizontally opposed cylinders. This configuration offers smooth operation and efficient power delivery.

Here's a breakdown of its key power specifications:

Specification Detail
Aircraft Model Cessna 172SP
Engine Type Lycoming IO-360-L2A
Horsepower (HP) 180 hp
Kilowatts (kW) 134 kW
Induction System Fuel-Injected
Cylinders 4
Cooling Air-cooled
Introduction Year 1998

The Role of Horsepower in Aircraft Performance

Horsepower in an aircraft engine directly relates to its ability to generate thrust, impacting various flight characteristics:

  • Takeoff Performance: Higher horsepower allows for shorter takeoff rolls and better climb rates, especially crucial in hot and high-altitude conditions.
  • Climb Rate: A powerful engine enables the aircraft to ascend more rapidly to its desired cruising altitude, reducing flight time and increasing efficiency.
  • Cruising Speed: While not the sole determinant, engine power contributes significantly to the aircraft's achievable cruising speed.
  • Payload Capacity: More power can translate to the ability to carry heavier loads (passengers, fuel, cargo) without compromising safety or performance.

The 180 horsepower of the Cessna 172SP provides a good balance of performance, fuel efficiency, and ease of handling, making it an ideal platform for flight training and general cross-country flights. For more information on the Cessna 172 series, you can visit its Wikipedia page.