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AERONCA Memo M-33
APRIL 1939 M-33
MEMORANDUM TO OWNERS OF AERONCA AIRPLANES
POWERED WITH AERONCA E-113C ENGINES
SUBJECT: Recommended oils
We have received requests from operators for information regarding
the recommended oils to be used in the subject model engine.
For your information, we are listing below, in alphabetical
order, a number of popular brands of oil which have been found
to be satisfactory lubricants for the Aeronca engines.
Gulflube (only)
Kendall
Mobiloil
Shell
Stanavo
Texaco
Tiolene
WEATHER CONDITION SAE SAYBOLT VISCOSITY
VISCOSITY AT 210 DEGREE F
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Hot weather (above 85° F) 60 120 Seconds
Normal weather (50° F to 85° F) 50 100 Seconds
Cold weather (20° F to 50° F) 40 80 Seconds
Extreely cold weather
(Below 20° F) 30 ----------
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