Ci joint la polaire de vitesses de la Cobra de Bruce Goldsmith ( 1ère pièce jointe )
Ici la brochure de la Cobra -ZIP-Ci dessous quelques infos :
TECHNICAL BOARD: COBRA S - M - L
Project scale factor 0,96 - 1 - 1,04
Wing span (mt) 11,926 - 12,423 - 12,920
Flat Area (sq/mt) 23,89 - 25,92 - 28,04
Projected rea (sq/mt) 20,31 - 22,04 - 23,70Weight excl. bag (Kg) 5,4 - 5,9 - 6,4
Total line length (mt) 313 - 326 - 353Height of central B line (mt) 7,377 - 8,005 - 8,325
Number of main lines 3/4/3 - 3/4/3 - 3/4/3
Number of cells 57 - 57 - 57
Flat aspect ratio 5,95 - 5,95 - 5,95Projected aspect ratio 4,37 - 4,37 - 4,37
Root cord (mt) 2,477 - 2,580 - 2,682
Weight range (Kg/PTV) 65-90 80-105 105-120Trimm speed (Km/h) 39 - 39 - 39
Max speed (Km/h) 52 - 52 - 52
Best glide ratio 9 - 9 - 9Minimum sink rate (mt/sec) 1 - 1 - 1
Certification (in progress) EN C - LTF 2
Ideal total weight (Kg) 85 - 100 - 115Wing Load (Kg x sq/mt) 3,56 - 3,86 - 4,10
Equipment weight (Kg) 20 - 21 - 23
Ideal naked pilot weight (Kg) 65 - 79 - 92
[Fichier joint supprimé par l'administrateur]