| Gracchio | 21 | 23 | 25 | 27 | |
| 2018 | 2018 | 2018 | 2018 | ||
| In-Flight-Weight | kg | 55 - 75 | 70 - 90 | 85 - 105 | 100 - 120 |
| Main-Use | Cross | Cross | Cross | Cross | |
| Certifications | |||||
| Naked-Pilot | kg | 40 - 60 | 54 - 74 | 68 - 88 | 82 - 102 |
| Wing-Load | kg/m² | 2,6 - 3,6 | 3,0 - 3,9 | 3,4 - 4,2 | 3,7 - 4,5 |
| Wing-Weight | kg | 4,0 | 4,2 | 4,5 | 4,8 |
| Area | m² | 21,00 | 23,00 | 24,80 | 26,90 |
| Area proj | |||||
| Span | m | 10,80 | 11,30 | 11,80 | 12,30 |
| Span proj | |||||
| Ratio | 5,60 | 5,60 | 5,60 | 5,60 | |
| Ratio proj | |||||
| Rows | |||||
| Boxes | |||||
| Cells | 57 | 57 | 57 | 57 | |
| Closed Cells | 16 | 16 | 16 | 16 | |
| Lines Ø diam. | 1,6 mm; 0,9 mm; 0,6 mm | 1,6 mm; 0,9 mm; 0,6 mm | 1,6 mm; 0,9 mm; 0,6 mm | 1,6 mm; 0,9 mm; 0,6 mm | |
| Lines distance | |||||
| Lines total | |||||
| Flattening | |||||
| Accelerated speed | |||||
| Basic speed | |||||
| Minimum speed | |||||
| Best-Sink-Rate | |||||
| Best-Glide-Ratio | |||||
| GR/Fmax Estimations | p | 10,0 | 10,0 | 10,0 | 10,0 |
| Upper-Surface | Dokdo 20D 35 g/m² | Dokdo 20D 35 g/m² | Dokdo 20D 35 g/m² | Dokdo 20D 35 g/m² | |
| Under-Surface | Dokdo 20D 35 g/m² | Dokdo 20D 35 g/m² | Dokdo 20D 35 g/m² | Dokdo 20D 35 g/m² | |
| Lines type | Lyros - Dyneema | Lyros - Dyneema | Lyros - Dyneema | Lyros - Dyneema | |
| Risers | |||||
| Accelerator | Yes | Yes | Yes | Yes | |
| Trims | No | No | No | No | |
| Ears | Yes | Yes | Yes | Yes | |
| B Lines | No | No | No | No |