Airplane Factory SLING 2
Pilot Operating Handbook
Page | 7-21
DC-POH-002-X-B-6
Revision : 2.6
Coolant type (912 ULS)
For aircraft fitted with the 914 UL or 912 iS engine refer to the applicable
supplement at the end of this manual.
Either water-free propylene glycol based coolant concentrate or the
conventional ethylene glycol based coolant and distilled water mixture (1:1
mix) can be used. Refer to the latest edition / revision of the ROTAX 912 ULS
operator / maintenance manuals and to the latest revision of Rotax service
instruction SI-912-016.
Coolant liquid volume
Coolant volume is approximately 2.5 litres (0.66 US gallons).
7.15
Throttle and Choke
Refer to the applicable supplement at the end of this manual for additional
information regarding the throttle lever on aircraft equipped with the
914 UL engine.
Engine power is controlled by means of a hand operated throttle lever
situated on the cabin centre console. Refer to paragraph 7.9. Forward
movement of the throttle lever increases engine power output and
backward movement decreases engine power output.
WARNING
Waterless coolant (propylene glycol based) may not be mixed with
conventional (ethylene glycol/water) coolant or with additives! Non-
observance can lead to damage to the cooling system and engine.