Md 500E - Rolls-Royce Model 250-C20R/2 Turboshaft Engine; February - MD Helicopters MD 500E Technical Description

6.2 MD 500E – Rolls-Royce Model 250-C20R/2 Turboshaft Engine
Using the Rolls-Royce Model 250-C20R/2 turboshaft engine, the MD 500E has a nominal empty
weight of 1,517 pounds (686 kg), and maximum gross takeoff weight is 3,000 pounds. Ratings
are for the MD 500E with a Rolls-Royce Model 250-C20R/2 turboshaft engine rated at 450 shp
(336 kW), derated to takeoff power – 375 shp (280 kW), maximum continuous power – 350 shp
(261 kW).
MD 500E Performance Specifications (Rolls-Royce Model 250-C20R/2)
Parameter
Maximum Cruise Speed, kt (mph)
[km/hr]
Maximum Permitted Speed, kt
(mph) [km/hr]
Maximum Range, nm (mi) [km]
Maximum Endurance, hr
Maximum Rate-of-Climb (TOP),
ft/min (m/sec)
Maximum Operating Altitude, ft
(m)
Service Ceiling, ft (m)
Maximum Hook Capacity, lb (kg)
Hover-in-Ground Effect (HIGE),
ft (m)
Hover-Out-of-Ground Effect
(HOGE), ft (m)
Maximum Takeoff Gross Weight,
lb (kg)
MTOGW External Load
Operations, lb (kg)
Empty Weight, lb (kg)
Useful Load, lb (kg)
External Load Operations, lb (kg)
Fuel Capacity, lb (kg)
Report No. MD14022801-500ETD
USE OR DISCLOSURE OF DATA IN THIS TECHNICAL DESCRIPTION IS SUBJECT TO THE RESTRICTION ON THE COVER PAGE
Condition
Sea Level, ISA
5000 ft, ISA
V at Sea Level
NE
Sea Level, ISA
5000 ft, ISA
Sea Level, ISA
Sea Level
Standard Day
ISA +20C Day
Density Altitude
ISA
Standard Day
ISA +20C Day
Standard Day
ISA +20C Day
Normal Category
Standard Configuration
Normal Category
Usable
28
MDHI PROPRIETARY
MD 500E
Technical Description
Imperial Metric
135 (155) [249]
120 (138) [222]
152 (175) [282]
255 (297) [472]
287 (330) [531]
2.7 2.7
1,770 (9.0)
1,776 (9.0)
16,000 (4,877)
16,500 (5,029)
2,000 (907)
11,300 (3,444)
6,900 (2,103)
9,500 (2,896)
4,100 (1,250)
3,000 (1,361)
3,550 (1,610)
1,517 (686)
1,483 (673)
2,033 (922)
403 (183)

28 February 2014