# Solution: What horsepower does the engine develop if it is flying at 1000 kph?

An aircraft engine develops a forward thrust of 15,000 N. If the gross mass of the aircraft is 100 tons, what horsepower does the engine develop if it is flying at 1000 kph?

#### Problem Statement: ECE Board April 1997

An aircraft engine develops a forward thrust of 15,000 N. If the gross mass of the aircraft is 100 tons, what horsepower does the engine develop if it is flying at 1000 kph?

• A. 150,000
• B. 5585
• C. 5400
• D. 3108

The power develop is equal to 5585 hp.

Solution:

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