Garmin G3X - 21.2.2 Rotax Engine Applications; 21.2.2.1 Rotax 912

190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 21-9
21.2.2 Rotax Engine Applications
Refer to the Sensor Interface drawings in Section 28
for all Rotax engine applications.
21.2.2.1 Rotax 912
Table 21-4 lists the Garmin sensor kit available for G3X installations with Rotax 912 engines.
Rotax engine RPM is sensed through a connection to the engine trigger coil. The external components
listed in Table 21-5 are required for use with the GSU 73 (see Figure 32.3).
Table 21-4 Contents of G3X Sensor Kit, Rotax 912 (K00-00514-10)
Item Garmin P/N Quantity
G3X External Components for Rotax 912 RPM Signal (see Table 21-5) 011-02348-00 1
Garmin GPT 15G 011-05783-10 1
Absolute Pressure Transducer, Kavlico 30 PSI 011-05783-00 1
Type K Thermocouple, Clamp, EGT, Alcor 86255 494-70001-00 2
Shunt, Ammeter, +/-50 mV, 100 Amps, UMA 1C4
909-D0000-00 1
Table 21-5 Contents of G3X External Components for Rotax 912 RPM Signal Kit
(011-02348-00)
Item Garmin P/N Quantity
Silicon Diode, 1A, 200V 680-00006-D0 2
7.5 V Zener Diode 682-00012-00 1
300 Ω Resistor, 1%, 0.5 W
902-A300R-F0 2