SECTION 5
PERFORMANCE
SOCATA
MODEL TB 20
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June 30, 1988
Revision 8
5.15
LEVEL FLIGHT PERFORMANCE
Level flight performance are given for a weight of 2943 lbs (1335 kg) and for
setting ”Best Power” or ”Best Economy” obtained with an EGT.
Fuel : 86.2 U.S Gal (326 litres) usable
Various parameters such as the mixture setting, engine and propeller
condition and the atmospheric conditions (wind, moisture, temperature and
so on...) may noticeably vary the endurance and range.
Settings with EGT indicator :
– Best economy mixture : from full rich, weaken slowly mixture until peak
EGT.
– Best power mixture : From peak EGT, re–enrich until EGT temperature
decreases by 75
°
F (3 divisions).
Settings without EGT indicator :
– Best economy mixture : from full rich, weaken slowly until first engine
malfunctioning signs (vibration) appear and then re–enrich slowly.
