| Bigolden 4 | 37 | 42 | |
| 2018 | 2018 | ||
| In-Flight-Weight | kg | 100 - 190 | 120 - 225 |
| Main-Use | Tandem | Tandem | |
| Certifications | |||
| Naked-Pilot | kg | 70 - 160 | 90 - 195 |
| Wing-Load | kg/m² | 2,7 - 5,2 | 3,0 - 5,6 |
| Wing-Weight | kg | 6,6 | 6,9 |
| Area | m² | 36,50 | 40,50 |
| Area proj | m² | 30,90 | 34,28 |
| Span | m | 13,92 | 14,65 |
| Span proj | m | 10,99 | 11,57 |
| Ratio | 5,31 | 5,31 | |
| Ratio proj | 3,91 | 3,91 | |
| Rows | 4 | 4 | |
| Boxes | 31 | 31 | |
| Cells | 59 | 59 | |
| Closed Cells | 16 | 16 | |
| Lines Ø diam. | 2,3 mm; 1,4 mm; 1,0 mm; 0,7 mm | 2,3 mm; 1,4 mm; 1,0 mm; 0,7 mm | |
| Lines distance | m | 8,73 | 9,23 |
| Lines total | m | 414 | 439 |
| Flattening | % | 15 | 15 |
| Accelerated speed | |||
| Basic speed | |||
| Minimum speed | |||
| Best-Sink-Rate | |||
| Best-Glide-Ratio | |||
| GR/Fmax Estimations | |||
| Upper-Surface | Skytex 42 / 38 g/m² | Skytex 42 / 38 g/m² | |
| Under-Surface | Skytex 32 g/m² | Skytex 32 g/m² | |
| Lines type | Liros; Edelrid8000 | Liros; Edelrid8000 | |
| Risers | 4(2A/4B/3C/3D) | 4(2A/4B/3C/3D) | |
| Accelerator | No | No | |
| Trims | cm | 7 | 8 |
| Ears | 3m/s | 3m/s | |
| B Lines | 8m/s | 8m/s |