Question

If my aircraft has access power off 520 KW and it weighs around 1200 N then, determine the value of specific excess power.

(a) 433.33 m/s

(b) 123.88 ft. s

(c) 119

(d) 345.768m/s

The question was asked in final exam.

Question is from Flight Mechanics in section Performance and Flight Mechanics of Aircraft Design

Answer 1

The correct choice is (a) 433.33 m/s

The explanation is: Specific excess power = excess power/weight

= 520*1000/1200 = 433.33 m/s.