DG Flugzeugbau GmbH
Flight Manual LS 8-18 Limitations
2.5 Centre of Gravity Limits
Datum Point: Leading edge of wing at root, when under side of fuselage boom is placed horizontal.
Maximum allowable forward C.G.
Position at maximum Mass:
280 mm <11.024 in>
aft of Datum
Maximum allowable rearward C.G.
Position:
400 mm <15.748 in>
aft of Datum
Take-off C.G. position
[mm aft of Datum]
Warning: Vertical tail fin water ballast must be used to compensate C.G. displacement due
to wing water ballast, surplus may be used to compensate pilot weight above
Minimum Cockpit Load !
Maximum amounts see pages 4-11/12.
2.6 Approved manoeuvres / Category of Airworthiness
The LS 8-18 sailplane is certified in the U ("Utility") category according to JAR 22.
Aerobatic flight not approved.
2.7 Manoeuvring load factors
At 190 km/h, 103Kt., 118 mph............................................. 5.3 g positive to 2.65 g negative
At 280 km/h, 151 Kt., 174 mph (Air brakes retracted) ........ 4.0 g positive to 1.5 g negative
At 280 km/h, 151 Kt., 174 mph (Air brakes extended)........ 3.5 g positive to 0.0 g negative
Edition: Dec. 2001
LBA-appr. Revision – 1 (TB 8011)
Page 2-5
