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01-49-30: APU Alternator Electrical Load
1. Airplanes SN 1000 Through SN 1155 Without APU Loadmeter Installed:
The APU alternator can deliver 100% electrical power (30 kVA) on ground or in
flight from Sea Level to 22,000 ft. From 22,000 ft to 30,000 ft, the limit load
decreases linearly to 50% electrical power (15 kVA). Load shedding may be
required. See APU ALTERNATOR ELECTRICAL LOAD (For SN 1000 thru SN
1155 without APU loadmeter) in Section 05-04-20, APU Inflight Operation:
Alternate Electrical Source.
2. Airplanes SN 1156 And Subs, And SN 1000 Through SN 1155 With APU
Loadmeter Installed:
The Increased Altitude APU alternator can deliver 100% electrical power (30 kVA)
on ground or in flight from Sea Level to 30,000 ft. From 30,000 ft to 35,000 ft, the
limit load decreases to 67% electrical power (20 kVA). Load shedding may be
required. See ELWS/ASC 420 APU ALTERNATOR ELECTRICAL LOAD
ENVELOPE chart in Section 05-04-30, APU Inflight Operation: Alternate Electrical
Source - ELWS (Loadmeter) / ASC 420 Procedures.
3. Airplanes SN 1156 And Subs, SN 1000 Through SN 1155 With ASC 420
(Removal Of APU Loadmeter) Incorporated, And SN 1430 And Subs:
With the ram air scoop installed over the APU inlet door, the APU alternator can
deliver 100% electrical power (30 kVA) on ground or in flight from Sea Level to
30,000 ft. From 30,000 ft to 35,000 ft, the limit load decreases to 67% electrical
power (20 kVA). Load shedding may be required. See ELWS/ASC 420 APU
ALTERNATOR ELECTRICAL LOAD ENVELOPE chart in Section 05-04-30, APU
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Inflight Operation: Alternate Electrical Source - ELWS (Loadmeter) / ASC 420
Procedures.
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POWERPLANT
01-71-10: Engine Operating Limitations
For the Rolls-Royce Tay Mk 611-8 engines:
Condition LP (% RPM)
HP (%
RPM)
TGT
(°C)
Time Limit
Maximum Ground Starting
TGT — — 700 Momentary
Maximum Relighting
(Airstart) TGT — — 780 Momentary
Maximum Takeoff 95.5 99.7 716 -
800 5 Minutes (1)
Maximum Go-Around 95.5 99.7 716 -
800 5 Minutes (1)
Maximum Continuous (2) 95.5 97.5 715 Unrestricted
Minimum Idle Approach — 67.0 — Unrestricted
Minimum Ground Idle — 46.6 — Unrestricted
Maximum Reverse — 88.0 695 (3)
Maximum Overspeed 98.3 102.6 — 20 Seconds
Maximum
Overtemperature — — 801 -
820 20 Seconds
NOTE(S):
(1) The use of takeoff or go-around rating is limited to five (5) minutes all engines
operating or ten (10) minutes in the event of an engine failure.
(2) Maximum continuous power is not recommended for normal flight operations.
Continued use of this power setting may result in reduced engine life.
(3) For airplanes SN 1000 thru 1143 without ASC 166: Use of thrust reversers is limited
to one (1) minute every thirty (30) minutes.
01-71-20: Takeoff Power
1. Minimum Takeoff Power:
Minimum acceptable power for takeoff is shown in RATED EPR FOR TAKEOFF
THRUST Charts contained in the Performance section of the GIV Airplane Flight
Manual. They are also shown in Section 12-08-20: Engine EPR Tables of this
manual.
2. Exceeding Rated Values:
Takeoff EPR must not exceed rated value by more than 0.01.
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ENGINE FUEL AND CONTROL SYSTEMS
01-73-10: Engine Fuel Temperature
1. Maximum:
90°C (Fuel temperature of up to 120°C for a maximum of fifteen (15) minutes is
permissible.
2. Minimum:
-40°C
01-73-20: Engine Synchronizer
Engine synchronizer must be OFF for takeoff and landing.
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ENGINE IGNITION SYSTEMS
01-74-10: Continuous (Airstart) Ignition
1. Airplanes SN 1000 Through 1249 Without ASC 304:
The duty cycle for continuous (airstart) ignition without ASC 304 installed is five
(5) minutes ON and thirty (30) minutes OFF for cooling. There is no limitation on
the ignition when used in a thirty (30) seconds ON, thirty (30) seconds OFF cycle.
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湾流4操作手册 Gulfstream IV Operating Manual 1(20)
