Stiffness and Weight of Sport Kite Spars


Stiffness and Weight of Sport Kite Spars              
               
            Outer  
Spar Short Relative Relative Scale Weight Diam  
Type Name Stiff. Weight Fact. g/m mm Rem
               
Ref. spar: Exel Extreme 6 Exel-E6 1.00 1.00 1.00 23.0 5.9 S
               
SkyShark Response Zero (brown ring) ResZero 0.19 0.33 0.66 7.5 *6.5 S
AFC 1580 AFC1580 0.21 0.48 0.67 11.0 4.0 S
AFC 1700 AFC1700 0.26 0.53 0.71 12.3 4.3 L
Epsilon pull wound 6 EPW6 0.28 0.57 0.73 13.0 5.9 S
Clearwater 187-2 CW187-2 0.29 0.40 0.73 9.3 5.5 L
Epsilon carbon-k(evlar) 6 ECK6 0.32 0.66 0.75 15.2 5.9 S
AFC 1800 AFC1800 0.32 0.67 0.75 15.3 4.5 L
AVIA Sport G-Force 2 Skinny GF2S 0.34 0.45 0.76 10.3 *7.8 G
Clearwater 202-2 CW202-2 0.34 0.44 0.76 10.2 5.9 L
AFC 1880 AFC1880 0.38 0.65 0.79 14.9 4.8 L
AVIA Sport 1800 A1800 0.42 0.68 0.08 15.6 4.6 G
AFC 1960 AFC1960 0.45 0.72 0.82 16.5 5.0 L
SkyShark 2P (brown ring) 2P 0.47 0.35 0.83 8.0 6.5 S
AVIA Sport 1880 A1880 0.47 0.73 0.83 16.8 4.8 G
Vlieger-Op Exel RCF 5 RCF5 0.49 0.65 0.84 15.0 4.9 M
SkyShark Response 12g (1995) Res12g 0.54 0.52 0.86 12.0 *8.0 G
Glassforms Prospar PS-15-278 PS278 0.57 0.91 0.87 21.0 7.1 M
Beman Ultra Light 14 BeUL14 0.58 0.70 0.87 16.0 5.5 S
AFC 2100 AFC2100 0.58 0.88 0.87 20.2 5.3 L
AVIA Sport 1960 A1960 0.58 0.81 0.87 18.7 5.0 G
Advantage 250/2 ADV/2 0.60 0.71 0.88 16.4 7.3 L
Clearwater 250-2 CW250-2 0.60 0.59 0.88 13.6 7.1 L
Beman 5.5 mm (arrow shaft) Bem5.5 0.64 0.76 0.89 17.5 5.5 S
Beman Carbon Light 14 BeL14 0.70 0.78 0.91 18.0 5.5 S
AFC 2200 AFC2200 0.70 0.96 0.91 22.2 5.6 L
SkySHark Response 15g (1995) Res15g 0.70 0.65 0.92 15.0 *8.0 S
Vlieger-Op Exel RCF 6 Strong RCF6S 0.71 1.39 0.92 32.0 5.9 S
Beman Ultra Light 6.0 BeUL60 0.73 0.70 0.92 16.0 6.0 S
Beman Carbon Strong 14 BeSTR14 0.75 0.91 0.93 21.0 5.5 M
AVIA Sport 2100 A2100 0.77 0.89 0.94 20.6 5.3 G
AVIA Sport G-Force 2 UL 40" GF2UL40 0.77 0.60 0.94 13.8 *8.8 G
Beman Ultra Light 16 BeUL16 0.80 0.78 0.95 18.0 6.3 S
Beman Pro-Competition 14 BePRO14 0.81 0.74 0.95 17.0 5.5 S
AVIA Sport G-Force 2 Skinny 40" GF2S40 0.81 0.60 0.95 13.8 *7.8 G
Glassforms Procomp CP-15-278 CP278 0.84 0.78 0.96 18.0 7.1 M
AFC 2300 AFC2300 0.84 1.00 0.96 23.0 5.8 L
Vlieger-Op Exel RCF 6 RCF6 0.85 0.96 0.96 22.0 5.9 S
AVIA Sport 2200 A2200 0.95 1.03 0.99 23.7 5.6 G
AVIA Sport G-Force 2 UL GF2UL 0.96 0.62 0.99 14.3 *8.8 G
Vlieger-Op Exel Extreme 6 Exel-E6 1.00 1.00 1.00 23.0 5.9 S
AFC 2400 AFC2400 1.00 1.11 1.00 25.5 6.1 L
SkyShark 3P (purple ring) 3P 1.03 0.52 1.01 12.0 7.4 S
Advantage 250/3 ADV/3 1.06 1.08 1.02 24.9 7.7 L
Clearwater 250-3 CW250-3 1.06 0.83 1.02 19.1 6.9 L
Beman Strong Carbon 6.0 BeStr60 1.08 1.04 1.02 24.0 6.0 S
Glassforms Prospar PS-16-306 PS306 1.11 1.28 1.03 29.4 7.8 L
AVIA Sport 2300 A2300 1.12 1.10 1.03 25.2 5.8 G
Beman Carbon Strong 16 BeSTR16 1.15 1.13 1.04 25.9 6.2 S
Clearwater 315-2 CW315-2 1.17 0.74 1.04 16.9 8.8 L
Beman Carbon Light 16 BeL16 1.20 1.00 1.05 23.0 6.2 S
AFC 2540 AFC2540 1.26 1.29 1.06 29.6 6.5 L
Vlieger-Op Exel RCF 6 Ultra RCF6U 1.27 0.74 1.06 17.0 5.9 S
SkyShark 5P (white ring) 5P 1.29 0.65 1.07 15.0 7.6 S
AVIA Sport 2400 A2400 1.32 1.17 1.07 26.8 6.1 G
AVIA Sport G-Force Std GF2Std 1.32 0.88 1.07 20.3 *8.8 G
Clearwater 280-3 CW283 1.35 1.01 1.08 23.3 8.3 L
Clearwater 250-4 CW254 1.42 1.24 1.09 28.6 7.9 L
Advantage 250/4 ADV/4 1.42 1.36 1.09 31.2 8.1 L
Glassforms Procomp CP-16-309 CP309 1.43 1.10 1.09 25.3 7.8 L
Glassforms Prospar PS-19-352 PS352 1.54 1.43 1.11 32.8 8.9 L
Vlieger-Op Exel RCF 7 RCF7 1.62 1.13 1.13 26.0 6.9 S
Clearwater 315-3 CW315-3 1.86 1.11 1.17 25.5 9.1 L
Glassforms Procomp CP-19-352 CP352 2.00 1.25 1.19 28.7 8.9 L
SkyShark VIIP (1994) VIIP 2.11 1.17 1.21 26.9 8.4 L
Vlieger-Op Exel RCF 8 RCF8 2.17 1.39 1.21 32.0 7.9 S
Beman Ultra Light 21 BeUL21 2.28 1.17 1.23 27.0 8.3 S
Vlieger-Op Exel RCF 8 Strong RCF8S 2.57 1.59 1.27 36.5 7.9 M
Vlieger-Op Exel RCF 9 RCF9 3.10 1.52 1.33 35.0 8.9 M
Clearwater 385-3 CW385-3 3.25 1.13 1.34 26.0 10.9 L
Vlieger-Op Exel RCF 9 Strong RCF9S 3.81 1.83 1.40 42.0 8.9 M
Vlieger-Op Exel RCF 10 RCF10 4.74 1.74 1.48 40.0 9.9 M
Vlieger-Op Exel RCF 10 Strong RCF10S 5.44 2.22 1.53 51.0 9.9 M
Vlieger-Op Exel RCF 11 RCF11 5.77 1.96 1.55 45.0 10.0 M
               
  S = Based on measurements by Simo Salanne            
  L = Based on measurements by David Lord            
  G = Based on measurments by Michael Graves            
  M = Based on manufacturers data            
  * = Larger diameter end            
               

Chart Relative

Chart Relative



Last Updated on 26.8.98
By Simo Salanne