Sailplane Performance #s
NOTICE: All data and information supplied by this and the following pages are provided without guarantee as to their completeness or correctness. Any conclusions drawn from these data and information are the sole responsibility of the user. Always consult the relevant publications for current and correct information.
Grob 102 CS
Grob 103 Twin Astir
SGS 1-26E
The listed stall speeds are flight handbook, wings level speeds. The difference between these speeds and the indicated speeds you encounter in the aircraft is the result of airspeed system errors, differing aircraft operating weights, atmospheric stability, and pilot technique.
Grob 102CS N140SS
| Max. L/D (38:1, 152 fpm) |
56 |
kts |
| Min. Sink (122 fpm) |
42 |
|
| Normal Approach Speed |
50 |
|
| |
|
|
| Stall (clean) |
32 |
kts |
| Stall (spoilers extended) |
35 |
|
| |
|
|
| Max Aero-Tow |
92 |
kts |
| Max Winch Launch |
64 |
|
| Max Rough Air Speed |
135 |
|
| Red Line (Vne) |
135 |
|
Pilot & Chute, Min. Weight 154 lbs.
Pilot & Chute, Max. Weight 243 lbs.
| A/C empty weight: |
560 |
lbs |
| Max. gross weight: |
836 |
lbs |
Tire Pressures:
Main Gear 36 PSI
Grob 103 Twin Astir N103NS, N105NS, N110NS
| |
Dual |
|
Solo |
| Max. L/D (38:1) |
60 |
kts |
51 |
| Min. Sink |
49 |
|
40 |
| Sink Rate |
(138 |
fpm |
122) |
| Stall (clean) |
43 |
kts |
|
| Stall (spoilers extended) |
49 |
|
|
Minimum Approach Speed - 54 kts
(Rain or ice, increase landing speed by 6 kts.)
| Max. Aero_Tow |
92 |
kts |
| Max. Winch Launch |
65 |
|
| Maneuvering Speed |
92 |
|
| Red Line (Vne) below 6500 feet PA |
135 |
|
| Red Line, 6500 to 10,000 feet PA |
135 |
|
Min. weight front seat occupant, 154 lbs.
If below 154 lbs, use weights.
Max. weight either seat occupant, 242 lbs.
| A/C Empty Weight: |
882 |
lbs |
| Max. Gross Weight: |
1435 |
lbs |
| Max. Allowable Total Payload: |
484 |
lbs* |
* Combined weight of both occupants & their
equipment |
|
|
Tire pressure 36 PSI
SGS 1-26E N17954
| Max. L/D (23:1) |
48 |
mph |
| Min. Sink (156 fpm) |
39 |
|
| Stall (clean) |
33 |
|
| |
|
|
| Max. Aero-Tow |
114 |
mph |
| Max. Winch Launch |
63 |
|
| Maneuvering Speed |
69 |
|
| Red Line (Vne) |
114 |
|
Pilot Weight:
152 lbs Min. - 211 lbs Max.
| A/C empty weight: |
454 |
lbs |
| Max. gross weight |
700 |
lbs |
Tire Pressure 20 PSI
