FES Flight Manual, v1.18 May 2020
Page 24 of 35
4.5.10.2 Removing the batteries
1. Check: Power switch OFF.
2. Check: Sailplane main switch (fuse) OFF
3. Open the battery compartment cover.
4. Remove the connecting cable from terminals of the battery packs.
5. Remove the red and blue power plugs from battery packs.
6. Fix both power cables on the right side of the battery compartment wall.
7. Remove DATA connectors from each battery pack.
8. Fix DATA cable to the side of the battery compartment.
9. Untighten both battery pack fixation knobs.
10. Take all fixation plates out.
11. Firmly grip the front battery by a carrier strap.
12. Lift the front battery out of the fuselage and lay it down in a safe place.
13. Firmly grip the rear battery by the carrier strap and slide it forward along the
bottom of the compartment.
14. Lift the rear battery out of the fuselage and lay it down in a safe place.
15. Close battery compartment cover.
Caution:
Always use a transport box or similar for transport and storage of
the batteries, which protects them from mechanical damage. Make sure you
store the batteries in a dry and safe place. Please read FES Battery pack
manual for detailed instructions.
4.5.11 Flying with water ballast
As described in the manual of the pure glider version of the sailplane. For maximum
climb rate performance and range under power, drop the water ballast.
4.5.12 High altitude flight
As described in the manual of the pure glider version of the sailplane. Review the
chapter 5.3.4.3 Maximum operational altitude.
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