Airplane Flight Manual XA42
AFM-XA42-0040-002-A.01
Page
2
Page date:
Chapter 02
24.01.2011
For acrobatic flights the wing tanks must be empty.
Total fuel capacity - Acro:
65 l / 17.1 US gal
Usable fuel capacity - Acro:
64 l / 16.9 US gal
2.4.2
ENGINE LIMITATIONS
RPM
• Max. takeoff:
Acrobatic
2700 rpm
Utility
2670 rpm
• Max. continuous:
2500 rpm
Oil temperature
• Normal operation:
38 - 117 °C / 100 - 245 °F
• Maximum:
118 °C / 245 °F
Oil quantity
• Maximum sump quantity:
15.15 l / 16 US qt
• Minimum sump quantity:
8.52 l / 9 US qt
Oil pressure
• Minimum idling:
1.7 bar / 25 psi
• Normal:
3.8 – 6.5 bar / 55 - 95 psi
• Starting, warm-up, taxi and takeoff:
7.9 bar / 115 psi
It is normal for the oil pressure to "flicker" from 10 to 30 psi when going from upright to inverted
flight. During knife edge flights and zero-G flights oil pressure may drop and the oil system may not
scavenge resulting in engine failure or damage if flight is prolonged. Knife edge and zero-G flight
should not exceed 10 seconds.
If oil pressure drops to 0 (psi) / 0 (kPa) the propeller pitch changes automatically to coarse (high)
pitch with a corresponding decrease in RPM. Apply positive g loads to avoid engine stoppage.
Fuel pressure (Inlet to fuel injector)
• Maximum:
4.48 bar / 65 psi
• Minimum:
2.00 bar / 29 psi
• Minimum idle:
0.83 bar / 12 psi
Cylinder head temperature
• Maximum:
240 °C / 465 °F
WARNING
WARNING
CAUTION
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