| Tonka 2 | 12 | 15 | |
| 2015 | 2016 | ||
| In-Flight-Weight | kg | 60 - 85 | 60 - 90 |
| Main-Use | Mountain | Mountain | |
| Certifications | |||
| Naked-Pilot | kg | 43 - 68 | 43 - 73 |
| Wing-Load | kg/m² | 4,3 - 6,0 | 3,4 - 5,2 |
| Wing-Weight | kg | 2,1 | 2,4 |
| Area | m² | 14,10 | 17,46 |
| Area proj | m² | 11,80 | 14,76 |
| Span | m | 8,22 | 9,16 |
| Span proj | m | 6,40 | 7,13 |
| Ratio | 4,80 | 4,80 | |
| Ratio proj | 3,44 | 3,44 | |
| Rows | 3 | 3 | |
| Boxes | 27 | 27 | |
| Cells | 34 | 34 | |
| Closed Cells | 6 | 6 | |
| Lines Ø diam. | 1,8 mm; 1,4 mm; 1,0 mm; 0,6 mm | 1,8 mm; 1,4 mm; 1,0 mm; 0,6 mm | |
| Lines distance | 4,72 m | ||
| Lines total | 213 m | ||
| Flattening | % | 16 | 15 |
| Accelerated speed | |||
| Basic speed | |||
| Minimum speed | |||
| Best-Sink-Rate | |||
| Best-Glide-Ratio | |||
| GR/Fmax Estimations | |||
| Upper-Surface | Skytex 27 - 38 g/m² | Skytex 27 - 38 g/m² | |
| Under-Surface | Skytex 27 g/m² | Skytex 27 g/m² | |
| Lines type | Lirosppsl; DSL; TSL; DC | Lirosppsl; DSL; TSL; DC | |
| Risers | 3(3A/4B/3C) | 3(3A/4B/3C) | |
| Accelerator | cm | 15 | 15 |
| Trims | No | No | |
| Ears | Yes | Yes | |
| B Lines | Yes | Yes |