| Whisper 2 | XS | S | M | L | |
| 2009 | 2009 | 2009 | 2009 | ||
| In-Flight-Weight | kg | 55 - 72 | 70 - 90 | 85 - 105 | 95 - 125 |
| Main-Use | Cross | Cross | Cross | Cross | |
| Certifications | |||||
| Naked-Pilot | kg | 47 | 62 | 76 | 90 |
| Wing-Load | kg/m² | 2,7 | 3,2 | 3,5 | 3,7 |
| Wing-Weight | kg | 7,0 | 7,4 | 7,7 | 8,0 |
| Area | m² | 23,1 | 25,3 | 27,5 | 29,8 |
| Area proj | m² | 20,6 | 22,6 | 24,6 | 26,7 |
| Span | m | 11,7 | 12,2 | 12,8 | 13,3 |
| Span proj | m | 9,8 | 10,3 | 10,7 | 11,2 |
| Ratio | 5,9 | 5,9 | 5,9 | 5,9 | |
| Ratio proj | 4,7 | 4,7 | 4,7 | 4,7 | |
| Rows | 4 | 4 | 4 | 4 | |
| Boxes | 23 | 23 | 23 | 23 | |
| Cells | 69 | 69 | 69 | 69 | |
| Closed Cells | 8 | 8 | 8 | 8 | |
| Lines Ø diam. | |||||
| Lines distance | m | 7,20 | 7,60 | 7,90 | 8,20 |
| Lines total | |||||
| Flattening | % | 11 | 11 | 11 | 11 |
| Accelerated speed | |||||
| Basic speed | |||||
| Minimum speed | |||||
| Best-Sink-Rate | |||||
| Best-Glide-Ratio | |||||
| GR/Fmax Estimations | p | 9,0 | 9,0 | 9,0 | 9,0 |
| Upper-Surface | Skytex | Skytex | Skytex | Skytex | |
| Under-Surface | Skytex | Skytex | Skytex | Skytex | |
| Lines type | |||||
| Risers | 5(2A+1A'/4B/3C/2D) | 5(2A+1A'/4B/3C/2D) | 5(2A+1A'/4B/3C/2D) | 5(2A+1A'/4B/3C/2D) | |
| Accelerator | Yes | Yes | Yes | Yes | |
| Trims | No | No | No | No | |
| Ears | Yes | Yes | Yes | Yes | |
| B Lines | Yes | Yes | Yes | Yes |