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M250 turboprop

M250 turboprop

M250 turboprop

Product catalog summary
Overview
The M250-B17 turboprop engine series is a refined and reliable small turboprop engine, part of the M250® family, designed for light fixed-wing aircraft. It offers a power output of 450shp, with dimensions of 19.4 inches in width, 45 inches in length, and a weight of 212 pounds. The engine was certified and entered into service in 1971.
Key Features
  • Low direct operating cost
  • Applicable for single and twin-engine configurations
  • Simplified and compact construction
  • Excellent power-to-weight ratio
  • Multi-fuel capability
  • Global factory-authorized support network
Applications and Popularity
The M250 turboprop is favored for its small size and high power-to-weight ratio, making it suitable for OEMTC designs and STC conversions of piston-engined designs. Over 1,400 units are operational, accumulating over five million flight hours. Its ability to operate on all certified aircraft fuels makes it ideal for remote operations.
Performance Specifications
ConditionMeasured Gas Temperature (°C)Delivered Shaft HorsepowerSfc lb/shp-hr (max)
Take-off8104500.613
Normal Cruise7523800.635
Cruise A (90%)7383770.637
Cruise B (75%)7383140.673

Note: Measured gas temperature for take-off up to 810°C is permitted provided maximum torque is not exceeded.
Support and Maintenance
The M250-B17 benefits from a global support network for overhaul, maintenance, service centers, and spare parts, ensuring continuous improvement and reliability.
Disclaimer
The information is proprietary to Rolls-Royce plc and is provided in good faith without warranty or representation.
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Catalog excerpts

M250 turboprop-1

Powering the world's light aircraft

 Open the catalog to page 1
M250 turboprop-2

Powering the world’s light aircraft The M250-B17 turboprop engine series represents the latest refinement of a rugged and highly ● Single and twin engine applications reliable small turboprop engine. ● Simplified, compact construction ● Excellent power-to-weight ratio As a part of the M250® family, the first M250-B15 turboprop has grown with the core engine into a family of highly successful engines for light fixed-wing aircraft, culminating in today’s 450shp M250-B17. ● Low direct operating cost ● Multi-fuel capability ● Factory authorised support network

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M250 turboprop-3

simply delivers more The M250 turboprop is popular due to its small size and The M250 turboprop enjoys the benefits from a continuous high power-to-weight ratio, which make it ideal for Original improvement culture which has seen the M250 remain at the Equipment Manufacture Type Certified (OEMTC) designs forefront of small gas turbine engine design. and for Supplemental Type Certificate (STC) conversions of existing piston-engined designs. Over 1,400 M250 The M250-B17 has a factory authorised global support turboprops are flying, with over five million flight hours. network of overhaul, maintenance,...

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M250 turboprop-4

Sea level static rating Delivered Measured gas Sfclb/shp-hr shaft horsepower temperature (C) (max) •Measured gas temperature for takeoff up to 810 C is permitted provided maximum torque is not exceeded The information in this document is the property of Rolls-Royce pic and may not be copied, or communicated to a third party, or used, for any purpose other than that for which it is supplied without the express written consent of Rolls-Royce pic. Whilst this information is given in good faith based upon the latest information available to Rolls-Royce pic, no warranty or representation is given...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.