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16. GLIDER TUNING
CG ADJUSTMENT
The trim speed of your glider is affected by several factors. Among the most significant is the location along the keel
of your hang point. The farther forward your hang point is, the faster the glider will trim, the less effort will be required
to fly fast, and the more effort will be required to fly slow. If the glider's trim is too slow, it will make the glider more
difficult to control in roll, especially in turbulent air and when the nose pitches up on entering a strong thermal.
On the Combat, hang loop fore and aft position is adjusted by repositioning the hang point tower on the keel, or
repositioning the ball bearing rail system along the keel tube (if your glider has the movable hang point system).
WARNING
Do not miss the holes in the keel tube during hang point position adjustment!
Pilot’s weight has an effect on the trim speed. If the trim speed is got for a pilot of 80 Kg, a pilot of 60 Kg has to move
the hang point tower to the next backward hole to keep this trim speed.
Repositioning a hang point tower along the keel tube is fairly easy, but repositioning the rail system along the keel
tube is important to describe in details.
REPOSITIONING THE BALL BEARING RAIL SYSTEM ON THE KEEL
The procedure is easier to perform when the glider is removed from the glider bag and laying on the ground upside
down with leading edges slightly spread.
1. Using a screwdriver remove the front limiter from the rail
(Fig. 33).
2. In the accessories set that came with the glider find the auxiliary plastic insert
(Fig. 34).
Figure 33
Figure 34
3. Align the ends of the auxiliary plastic insert and the rail
(Fig. 35).
4. Carefully slide the ball bearing slider out from the rail on to the auxiliary plastic insert
(Fig. 36).
Be careful not to
scatter the balls of the ball bearing.
Figure 35
Figure 36
Summary of Contents for Combat-12.4-GT
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Page 54: ...CBT 200 000 AD ...
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Page 57: ...CBT2 220 000 AD ...
Page 59: ...Combat GT 13 5 STL 263 000 ...