BE30 - Engine parameters Flashcards
START (5 sec.) -
ITT
1000
START (5 sec.) -
Oil press
0 - 200
START (5 sec.) -
Oil temp
min - 40
Transient (20 sec.) -
TRQ
156
Transient (20 sec.) -
ITT
850
Transient (20 sec.) -
N1
104
AIL 100
Transient (20 sec.) -
N2
1870
Transient (20 sec.) -
Oil press
200
Transient (20 sec.) -
Oil temp
0-99
Takeoff (7 min) -
TRQ
100
Takeoff (7 min) -
ITT
820
Takeoff (7 min) -
N1
104
[AIL] 100
Takeoff (7 min) -
N2
1700
Takeoff (7 min) -
Oil press
90 - 135
Takeoff (7 min) -
Oil temp
0 -99
Max continuous -
TRQ
100
Max continuous -
ITT
820
Max continuous -
N1
104
[AIL] 100
Max continuous -
N2
1700
Max continuous -
Oil press
90 - 135
Max continuous -
Oil temp
0 - 99
Max cruise -
TRQ
100
Max cruise -
ITT
820
[AIL] 780
Max cruise -
N1
104
[AIL] 100
Max cruise -
N2
1700
Max cruise -
Oil press
90 - 135
Max cruise -
Oil temp
0 - 99
Cruise Climb -
TRQ
100
Cruise Climb -
ITT
785
[AIL] 780
Cruise Climb -
N1
104
[AIL] 100
Cruise Climb -
N2
1700
Cruise Climb -
Oil press
90-135
Cruise Climb -
Oil temps
0-99
Max Reverse -
ITT
760
Max Reverse -
N2
1650
Max Reverse -
Oil press
90 - 135
Max Reverse -
Oil temp
0 - 99
Idle -
ITT
Max 750
Idle -
N2
Min. 1050
Idle -
N1
Min 62
Idle -
Oil press
Min 60
Idle -
Oil temp
-40 to 110
TRQ -
Normal TRQ limits applies when?
PROP 1000-1700 RPM
TRQ -
Inadvertent excursions limitations
Up to 102% allowed up to 7 min.
ITT -
How to correct if ITT too high at IDLE
A) Reduce accessory load
B) Increase N1
N1 -
With N1 < ____ %, Oil press minimum value is ____ .
With N1 < 72%, Oil press below 90 psi (down to 60 psi) is tolerated
N2 -
With N2 < ____ RPM, TRQ limit is reduced to ___ % (instead of 100%)
With N2 < 1000 RPM, TRQ limit is reduced to 62% (instead of 100%)
N2 -
Inadvertent excursions limits
Up to 1735 RPM up to 7 min
N2 -
Prop resonance range & worst range
400-1050
Worst between 850-900
N2 -
Overspeed governor range
Fuel topping governor range
Overspeed =
104% = 1768 RPM
(flight may be pursued provided TRQ < 96%)
Fuel topping =
FLIGHT = 106% of selected RPM (up to 1802)
GROUND = 95% of selected RPM (up to 1615 - below the 1650 limit)
Oil Press -
With Oil press < ____, TRQ limit is ___
With oil press < 90 psi, TRQ limit is 62%
Oil Press -
Fluctuations limit
+/- 10 psi
Oil Press -
Max. on cold start (exception)
Oil press up to 200 Psi is acceptable on extremely cold starts
Oil Press -
in flight max. tolerance
Oil press > 135 psi, but < 200 psi tolerated in flight
Oil Temp -
Max range tolerance
99 to 110 deg, for up to 10 min
Oil Temp -
Oil to fuel heat exchanger operations
Min. 55 deg (oil temp)
TRQ -
When TRQ < ____, min oil press ____ tolerated with normal oil temp of ____
When TRQ < 62%, min oil press 60 PSI tolerated with normal oil temp of 60-70 deg
N2 -
Flight may be continued with prop overspeed up to ____ rpm, provided TRQ is limited to ____.
Flight may be continued with prop overspeed up to 1768 rpm, provided TRQ is limited to 96%.
START limits (5sec)
(3x)
ITT
1000
Oil Press
0 - 200
Oil Temp
min - 40
Transient limits (20 sec)
(6x)
TRQ
156
ITT
850
N1
104
N2
1870
Oil Press
0 - 200
Oil Temp
0 - 99
Takeoff (7 min)
(6x)
TRQ
100
ITT
820
N1
104
[AIL 100]
N2
1700
Oil Press
90 - 135
Oil Temp
0 - 99
Max continuous (MAX/MCP)
(6x)
TRQ
100
ITT
820
N1
104 /
[AIL 100]
N2
1700
Oil Press
90 - 135
Oil Temp
0 - 99
Max Cruise
(6x)
TRQ
100
ITT
820
[AIL 780]
N1
104
[AIL 100]
N2
1700
Oil Press
90 - 135
Oil Temp
0 - 99
Cruise Climb
(6x)
TRQ
100
ITT
785
[AIL 780]
N1
104
[AIL 100]
N2
1700
Oil Press
90 - 135
Oil Temp
0 - 99
Max reverse
(4x)
ITT
760
N2
1650
Oil Press
90 - 135
Oil Temp
0 - 99
Idle
(5x)
ITT
750
N1
min 62
N2
min 1050
Oil Press
min 60
Oil Temp
-40 to 110
When TRQ is below 62 % …
(2x)
- Min. Oil Press is 60 psi (at normal temps 60-70)
- With Prop < 1000 RPM, TRQ is limited to 62%
Conditions resulting with a LIMITED TRQ
(3x)
- With Oil Press < 90 psi = TRQ limit 62%
- With Prop RPM up to 1768 - TRQ limit 96%
- With Prop RPM < 1000 = TRQ limit 62%
When N1 is below 72% …
(1x)
Oil Press below 90 psi (down to 60 psi) is tolerated
TRQ Notices
(3x)
- Normal TRQ limits apply within PROP between 1000-1700 RPM.
- Inadvertent excursions TRQ ≤ 102% allowed ≤ 7 min.
- When TRQ < 62%, min OIL PRESS 60 psi at normal oil temp (60°-70°)
ITT notices
(1x)
You may correct high ITT at ground IDLE (if >750) by :
- Reducing accessory load
- Increasing N1
N1 notices
(1x)
Normal OIL PRESS is 90-135 psi with N1 > 72%
… If N1 < 72%, Oil Press below 90 psi (down to 60 psi) is tolerated
Prop RPM (N2) notices
(4x)
- With PROP < 1000 RPM, TRQ limit is 62%
- Inadvertent PROP excursions up to 1735 RPM allowed ≤ 7 min.
- Flight may be continued with prop overspeed ≤ 1768 RPM, with TRQ limited to 96%
- Propeller resonance range 400-1050 (worst between 850-900)
Oil Press notices
(4x)
- With OIL PRESS < 90 psi, TRQ limit is 62%
- OIL PRESS fluctuations of +/- 10 psi is norma
- OIL PRESS ≥ 200 psi acceptable on extremely cold starts
- OIL PRESS > 135 psi, but ≤ 200 psi, tolerated in flight
Oil Temp notices
(2x)
- OIL TEMP normal range is up to 99°, however ≤ 110° is limited ≤ 10 min
- Min. 55° OIL TEMP recommended for fuel heater operation on take-off