Civil Aerospace Defence Aerospace Marine Energy Services
Civil Aerospace

Introduction

Description

Technical data



The Model 250 engine powers the MD500

Model 250

Technical data

Engine Model 250-
C20B / T63-A-720
Model 250-C30R/3

Power (shp)

420

650

Bypass ratio

N/A

N/A

Pressure ratio

7.2

9.2

Length (in)

38.8

41

Diameter (in)

19

21.9

Basic weight (lb)

158

274

Compressor

6HP + 1CFHP

1CFHP

Turbine

2HP, 2PT

2HP, 2PT

Technical data (ISA SLS)

Home
About Rolls-Royce
Media Room
Investors
Corporate
responsibility

Careers
Education
History
Global
Suppliers
Contact us
Search
Site map