first time using the 5.6qm sail, too small, but wanted to treat my damaged spinal disk with care and no slingshots...

comparison GPSLogIt(S5) GT31 GW52

                  S5          GT31                  GW52
max     39.343  39.207+-0.428  39.363+-0.369
10s      38.517  38.545+-0.329  38.524+-0.271
5x10s  37.967  38.043                38.117
500m  37.601  37.620+-0.265  37.605+-0.129