Advance Epsilon 6 Betriebshandbuch Seite 46

SPI values
The following table gives the theoretical values for two (30% and
80%) accelerate positions on the SPI. Notice that each EPSILON 6
size has a slightly different polar curve.
Practical examples for best glide with an EPSILON 6 28
• With no headwind (or with a tailwind), little or no expected thermal,
and the glider's normal sink rate (ca.1.2 m/s vario) fly with no speed
bar (0%).
• With a headwind of 14 km/h or an expected next climb (vario)
of 0.6 m/s or a sink rate (vario) of 1.6 m/s set the 30% position.
If two or more of these values apply at the same time you can
already use the 80% position.
• With a headwind of 25 km/h or an expected climb rate (vario) of
1.8 m/s or a vario sink rate of 2.8 m/s choose the 80% position.
EPSILON 6
30% Position
Headwind in km/h
Expected climb in m/s
(Vario value)
Sink rate in m/s
(Vario sink)
80% Position
Headwind in km/h
Expected climb in m/s
(Vario value)
Sink rate in m/s
(Vario sink)
23 26 28 31
12 13 14 15
0.5 0.6 0.6 0.7
1.5 1.6 1.6 1.7
22 23 25 28
1.5 1.6 1.8 2.1
2.5 2.6 2.8 3.0
46