ENGINE MANUAL
IAE50R – AA
E1.01.05 – E
Issue date: 25.Jan.2018
Page: 5-4
Revision no: 9
5.2.7
Cooling
Approximately 90% of surplus heat is rejected into
the liquid cooling system; the balance is rejected via
rotor cooling air.
Coolant
50 : 50 Distilled Water – Ethylene Glycol mix
Silkolene PRO–COOL (or equivalent)
5.2.8
Fuel Specification
AVGAS 100LL
EUROSUPER, ROZ 95, in accordance with EN228
or equivalents.
5.2.9
Fuel Consumption Curve
Fig. 2: Fuel consumption curve
Note that these values are taken from JAR 22 calibration test results and are not indicative of
actual consumption rates.
Typical in–flight fuel flows, particularly at part–throttle conditions, may be expected to be
significantly lower.
