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GRADIENT s.r.o.
Plzenska 130/221
150 00 Praha 5 - Motol
Czech Republic
Tel/Fax: +420 257 216 319
gradient@gradient.cx
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Bright4
Technical Data
size
22 24 26 28 30
Flat area m2 22.20 24.04 26.96 29.68 32.41
Projected area m2 18.86 20.41 22.89 25.20 27.25
Span m 10.26 10.67 11.30 11.89 12.39
Projected span m 8.39 8.73 9.24 9.70 10.14
Aspect ratio
4.74 4.74 4.74 4.74 4.74
Projected aspect ratio
3.73 3.73 3.73 3.73 3.73
Max. chord m 2.65 2.75 2.92 3.06 3.20
Min. chord m 0.59 0.61 0.65 0.68 0.72
Number of cells
38 38 38 38 38
Line consumption m 296.2 308.2 326.3 342.4 357.8
Weight of the glider kg 4.5 4.8 5.2 5.6 6.1
Min. take-off weight kg 54 63 75 90 105
Max. take-off weight kg 66 80 95 110 140
Basic speed* km/h 36 36 36 36 36
Max. speed* km/h 48 48 48 48 48
Min. sink rate* m/s 1.15 1.15 1.15 1.15 1.15
Gliding ratio*
8 8 8 8 8
Certification EN / LTF
EN A EN A EN A EN A EN A

* These data are valid at the mid-point of weight range. 

Note: performance data are dependant upon the wing loading, type of harness and position of the pilot.