FES Flight Manual, v1.18 May 2020
Page 16 of 35
4. Normal procedures
4.1 Introduction
This chapter provides checklists and explanations of procedures for conducting
normal operating procedures. Normal procedures associated with optional equipment can
be found in Chapter 9.
4.2 Rigging and de-rigging, charging, battery pack installation
4.2.1 Rigging and de-rigging of the sailplane
According to the flight manual of the pure glider version of the aircraft.
Warning:
Make sure that the cable connecting battery packs is not inserted if
they are fixed inside the fuselage.
4.2.2 Charging the batteries
• Valid for FES self-launchers:
FES battery packs must always be fully recharged for self-launching, so that
maximum power for best climb rate is available. This is especially important for:
- cold batteries, when the voltage drop under high power load is bigger
- short runways
- high altitude runways
- hot summer conditions
• Valid for FES self-sustainers:
Before each flying day, battery packs should be recharged, primarily if the system
was used substantially during previous flights and a long cross-country flight is
planned; this way maximum energy will be available when needed.
Note:
It is advisable to recharge the battery packs just a day or two ahead
of a planned flight. However, arrange enough time to complete the charging
process!
Find detailed instructions on the charging of battery packs in a separate FES
Battery pack manual.
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