Today K2 met the water for the first time, and it performed remarkably well on its first tow test. We had no trouble getting the boat out of the water, and the sensor and foil systems worked very well without adjustment. We used a load cell to measure the force required to tow the boat. That data will be forthcoming. Everything worked so well that we took the boat out an hour later for a kite test.
We took the Kitefoiler out at dusk today to test Pete Lynn’s newest kite, the 25 sqm flat kite that we used on Sept 6, with Pete. We went out with the kite under-inflated in order to try and mimic the deformation we saw on the 6th, when the wind was much higher. The kite did indeed deform today, although less drastically than last week. The kite was folding into a C-shape instead of maintaining its flat silhouette. One solution to this problem would be to add more bridle lines, as on Armand’s flat kite, but that’s a solution we’d like to avoid if possible. Pete is pondering other options, including fatter struts.
Good Kitefoiler test today with brand new M-B-6-25-v10-9s kite with a wide-set bridle. We got some great video and stills. Thanks to Erika for photographing while I filmed.
Tested again with the 25 sqm Cuben Fiber kite. A short test, but good conditions behind Treasure Island (strong wind, relatively calm water). We got some of the best photos yet of the boat. Don and Joe tried to sail under the Bay Bridge, but lost too much wind and dropped the kite. We returned to dock after an hour and then they ventured out again without the Protector.
Our first test with the Cuben Fiber/Dacron kite. Tons of power–we were very pleased with the stiffness of the kite (Cuben Fiber does not stretch as much as our other fabrics), but we will need to adjust the bridle, because Don was afraid to drop the kite much in front of the boat, for fear of it pulling too much, so foiling time was brief. We used the original J-foils.