Flight manual
MD3
RIDER
Page 2-2
2.3.
Engine
The MD-3 Rider is powered by ROTAX 912ULS engine,
MD-3 UL
model is powered by Rotax 912 UL.
Aircraft
Engine model
MD-3 UL
Rotax 912 UL
MD-3
ROTAX
912 ULS
Max. power- take-off (kW)
59,6
73,5
- continuous (kW)
58
69
Max. engine speed (5 min)
5 800 RPM
Max. engine speed
(continuous)
5 500 RPM
Max. cylinder head
temperature (°C)
115
115
Max. oil temperature (°C)
140
130
Oil pressure minimum (bar)
0,8 below 3500 RPM,
2,0 above 3500 RPM
Oil pressure maximum (cold
start only, bar)
7
Oil pressure normal
operation (bar)
2,0 – 5,0
Fuel pressure (min-max, bar)
0,15 – 0,4
-25°C
Operation outside
temperature range
50°C
For more details see Operator’s Manual for all versions of Rotax 912
supplied with the engine.
WARNING: Flying this aircraft must always be done with the
possibility of a safe landing due to loss of engine power. The pilot
is fully responsible for consequences of such failure
