Sling 4 TSi
Section 7
Pilot Operating Handbook
Aircraft and Systems
Document Number: DC-POH-001-X-F-3.0
Page | 7-26
Revision: 3.0
Date: 2021/07/14
7.14.2
Charge System
The alternating current (AC) output of the two alternators (A and B) is
passes through a rectifier, where it is converted to direct current (DC)
for the aircraft systems. The charge system output is approximately
13.5 to 14V (from 1000 +/- 250 rpm and higher). When a third external
alternator is installed, the output is used to charge the battery through
a breaker switch.
7.14.3
Main Battery
The 12V, 17 Ah main battery is mounted on the engine side of the
firewall.
7.14.4
Main Bus
When power to the main bus is unavailable / fails, the following
equipment will become non-operational:
#
Item
1
Autopilot (including servos)
2
Flaps
3
Radio
4
Transponder
5
Cabin Lights
6
Strobe, navigation, landing and taxi lights.
7
EFIS (unless powered by the EFIS battery back-up)
8
Propeller (VP Functionality)
7.14.5
EFIS Back-up Battery / Circuit
The 12V EFIS back-up battery is mounted on the cabin side of the
firewall, under the instrument panel.