Engine Limitations

Question 1

Max time engines can be in take off thrust

Answer 1

10 minutes

Question 2

Max N1

Answer 2

99.5%

Question 3

Min N2

Answer 3

58.5%

Question 4

Max N2

Answer 4

99.4

Question 5

Max ITT for start

Answer 5

815C

Question 6

Max ITT for go around

Answer 6

990C and be exceeded for 2 minutes to 1006C

Question 7

Max continuous ITT

Answer 7

960C

Question 8

Minimum Oil pressure

Answer 8

25 PSI

Question 9

Max oil Pressure

Answer 9

95 PSI

Question 10

Max oil temp continuous

Answer 10

155C

Question 11

Max oil temp in Transient

Answer 11

163 C

Transient operation above 155 C is limited to 15 Minutes

Question 12

Dry motoring duty cycle for first motor max time and cool down time

Answer 12

90 seconds max motor and 5 minute cool down time

Question 13

Dry motoring duty cycle limits for motors 2 thru 5 max time and cool down time

Answer 13

30 seconds and minute cool down

Question 14

Starting duty cycle limits for first 2 attempts and cool downs

Answer 14

90 seconds on ground
120 seconds in the air

10 second cool down

Question 15

Starting duty cycle limits for 3-5 attempts and cool downs

Answer 15

90 on ground
120 in air

5 minute cool down