Reference
Modification-No.
- 0 -
Page
36
Date
1996 05 10
Install
914 F
12.7) General directives for the cooling system
See illustration 21.
BOMBARDIER-ROTAX offers essential parts of the cooling system for this engine
such as radiator, overflow bottle etc. (see spare parts list) in the non-certified state.
Certification to the latest requirements to FAR or JAR has to be conducted by the
aircraft builder.
QQ
O
O
P
P
Ill. 21
In an installation as depicted with the radiator O in a higher position than the standard
supplied expansion tank, a water accumulator P has to fitted instead of the expansion
tank. Additionally a suitable expansion tank Q has to be installed at the highest point
of the cooling circuit.
■ ATTENTION: The size and type of radiator should be adequate to transfer thermal
energy of c. 30 kW (28 BTU/s) at take-off power.
◆ NOTE: Assessment data by experience. For troublefree operation at good
airflow a radiator of at least 500 cm
2
(78 in
2
) area has to be used.
The flowrate of coolant in the cooling system can be assumed with
c. 55 l/min (16 US gal/min) at 5500 r.p.m.
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