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Jabiru Aircraft
Pilot Operating Handbook
Model J170-C
JP-FM-08
Revision:
0
3 April 2007
Page 52
8
AIRCRAFT GROUND HANDLING AND SERVICING
8.1 FUEL
•
Avgas 100LL
•
Avgas 100/130
•
MOGAS with minimum Octane Rating of 95 RON
1
may be used.
•
Do not use fuel additives such as Octane Boosters.
NOTE
As there are significant variations possible even between automotive fuels with the same values
of RON, Jabiru Aircraft strongly recommend using AVGAS. Automotive fuels should only be
used where AVGAS is not available, and if used, must have the highest anti-detonation rating
practically available.
CAUTION
Fuel additives containing alcohol (i.e. Ethanol etc) will damage the sealant used in the fuel tanks.
DO NOT
use fuel with any level of added alcohol.
8.2 OIL
8.2.1
Engine Oil Specification:
Jabiru Aircraft approves lubricating oils of any brand name conforming to specifications MIL-L-
6082 for straight mineral oil and MIL-L-22851 for ashless dispersant oil.
Straight mineral oil must be used during the first 50 hours of operation for new and overhauled
engines, or until the oil consumption has stabilised. After the first 50 hours it is recommended
that ashless dispersant oil be used.
8.2.2
Engine Oil Viscosity Grade:
The following chart is intended to assist in choosing the correct grade of oil and must be
considered as a guide only. Multiviscosity grades can also be used as indicated
Average
Ambient Temperature
Mineral
Grades
Ashless Dispersant
Grades
Above 35
°
C (95
°
F)
SAE 60
SAE 60
15
°
C to 35
°
C
(59
°
to 95
°
F)
SAE 50
SAE 50
-17
°
C to 25
°
C
(1
°
to 77
°
F)
SAE 40
SAE 40
Equivalence of SAE and commonly used Commercial Grade designations:
SAE:
20
30
40
50
60
Commercial:
55
35
80
100
120