TPE331-10 Turboprop Engine
Advanced Engine Performanceand Power Generation Capabilityfor the Predator B
HIGH PERFORMANCE. INCREASED RELIABILITY. LOWER COST OF OWNERSHIP.
N61-0292-000-001July 2009© 2009 Honeywell International Inc.
Find out more
For further information on the TPE331-10
engine for the Predator B / MQ-9 Reaper,
visit us online at www.honeywell.com/aero.
Honeywell Aerospace
P.O. Box 29003
Phoenix, AZ 85038-9003
Domestic: 800-601-3099
International: 602-395-3099
www.honeywell.com
The Honeywell TPE331-10 engine provides
advanced performance for the Predator B/
MQ-9 Reaper, producing 900 shp. , a
maximum air speed of 260 kts. , and a
cruise speed for maximum endurance
of 150-170 kts.
Specifications (Sea level-standard day)Power shp 900 output: shp (thermo) 1,000
eshp 944
eshp (thermo) 1,045
ESFC: 0.534
RPM: gas gen 41,730
shaft output 1,591 ccw from rear
Weight: 403 lb
Pressure ratio:10.37
Airflow: 7.7 lb/sec
Fuel: Jet A, Jet B, Jet A-1,JP-8,
JP-1, JP-4, JP-5
Oil: Mil-L-23699B
Mil-L-7808
Type I/Type II
Electrical: 24 vdc,16.2 amp (max)
(Demonstrated)
Start capability:SL–30,000 ft
No minimum O.A.T. to +55°C
(Demonstrated)
(Demonstrated)
Operational limits:
SL–45,000 ft
No minimum O.A.T. to +55°C
Compressor bleed:high pressure
10% (max)
TPE331-10 Turboprop Engine
Features
� Digital Control System
- Digital Electronic Engine (DEE)
- Built In Test (BIT)
- Electronic Propeller Governor
- Reduced RPM Operation for
Extented Loiter Time
� High Capacity Starter-Generator
- Up to 45 kVA Power Output
- Starting Modes Include:
• Battery
• AC Ground Cart
• DC Ground Cart
Why Honeywell:
� 50 Years of Propulsion System
Experience
� Industry Leader in Engine Integration
� Proven Performance - Over 13,000
TPE331 Engines Delivered
� Advanced Manufacturing, Production
and Materials Processes
� Global Service and Support Network
Key Advantages of the TPE331-10
� Small, Easily Integrated Powerplant
Package
� 900 Shaft Horsepower with Best in
Class Fuel Consumption
� High Reliability as Demonstrated by
30 Million Hours of Operation on the
TPE331-10 Fleet
� Accommodates Increasing Electrical
Load Requirements up to 45kVA
with Integrated High Capacity
Starter-Generator
� Improved Power Management and
Increased Loiter Time from Digital
Electronic Engine Control (DEEC)