B350 Engine Limitations

Question 1

B350 ITT limitations - engine start

Answer 1

820 to 850°C - 20 seconds

850 to 1000°C - 5 seconds

Question 2

B350 ITT limitations - Running
(Green/yellow/red)

Answer 2

Green: Up to 820°C
Yellow: 820 to 850°C (20 seconds)
Red: 820 to 850°C (more than 20 seconds); OR
More than 850°C

Question 3

B350 ITT limitations for Takeoff

Answer 3

820°C

Question 4

B350 ITT limitation for max cruise

Answer 4

820°C

Question 5

B350 ITT limitation - Max continuous

Answer 5

820°C

Question 6

B350 ITT limitation - Cruise climb

Answer 6

785°C

Question 7

B350 ITT limitation - Max reverse

Answer 7

760°C

Question 8

B350 ITT limitation - Transient

Answer 8

850°C (20 seconds)

Question 9

Max torque - Takeoff

Answer 9

100%
(excursions up to 102% are limited to 7 minutes)

Question 10

Max torque - max continuous

Answer 10

100%
(excursions up to 102% are limited to 7 minutes)

Question 11

Max torque - Transient

Answer 11

156% (20 seconds)

Question 12

Torque limitations - green/yellow/red (prop RPM > 1000)

Answer 12

Green:
100 to 102% (up to 5 minutes)

Yellow:
100 to 102% (>5 to 7 minutes)
102 to 156% (up to 20 seconds)

Red:
100 to 102% (more than 7 minutes)
102 to 156% (more than 20 seconds)
More than 156%

Question 13

B350 N1 limitation - Idle

Answer 13

Minimum of 62%

Question 14

B350 N1 limitation - Takeoff

Answer 14

104%

Question 15

B350 N1 limitation - Max continuous

Answer 15

104%

Question 16

B350 N1 limitation - Cruise climb

Answer 16

104%

Question 17

B350 N1 limitation - Max cruise

Answer 17

104%

Question 18

B350 N1 limitation - Transient

Answer 18

104%

Question 19

B350 prop RPM limitation - Idle

Answer 19

1050 RPM minimum

Question 20

B350 prop RPM limitation - Takeoff

Answer 20

1700 RPM
(Excursions up to 1735 RPM limited to 7 minutes)

Question 21

B350 prop RPM limitation - max continuous

Answer 21

1700 RPM
(Excursions up to 1735 RPM limited to 7 minutes)

Question 22

B350 prop RPM limitation - Cruise climb

Answer 22

1700 RPM
(Excursions up to 1735 RPM limited to 7 minutes)

Question 23

B350 prop RPM limitation - Max cruise

Answer 23

1700 RPM
(Excursions up to 1735 RPM limited to 7 minutes)

Question 24

B350 prop RPM limitation - Max reverse

Answer 24

1650 RPM

Question 25

B350 prop RPM limitation - Transient

Answer 25

1870 RPM (20 seconds)

Question 26

B350 oil pressure limitation - Engine start

Answer 26

0 to 200 PSI

Question 27

B350 oil pressure limitation - Idle

Answer 27

60 PSI minimum

Question 28

B350 oil pressure limitation - takeoff

Answer 28

90 to 135 PSI

Question 29

B350 oil pressure limitation - max continuous

Answer 29

90 to 135 PSI

Question 30

B350 oil pressure limitation - Cruise climb

Answer 30

90 to 135 PSI

Question 31

B350 oil pressure limitation - Max cruise

Answer 31

90 to 135 PSI

Question 32

B350 oil pressure limitation - max reverse

Answer 32

90 to 135 PSI

Question 33

B350 oil pressure limitation - Transient

Answer 33

200 PSI

Question 34

B350 oil temperature limitation - engine start

Answer 34

-40 °C minimum

Question 35

B350 oil temperature limitation - Idle

Answer 35

-40 to 110°C

Question 36

B350 oil temperature limitation - takeoff

Answer 36

0 to 110°C

Question 37

B350 oil temperature limitation - max continuous

Answer 37

0 to 110°C

Question 38

B350 oil temperature limitation - cruise climb

Answer 38

0 to 110°C

Question 39

B350 oil temperature limitation - max cruise

Answer 39

0 to 110°C

Question 40

B350 oil temperature limitation - max reverse

Answer 40

0 to 99°C

Question 41

B350 oil temperature limitation - Transient

Answer 41

0 to 110°C

Question 42

Oil temps between 99 and 110°C are permitted for how long?

Answer 42

10 minutes