Monday, September 1, 2014

Opti Gold/Silver Practice Debrief Saturday 8/30/14

First practice with some of the team (several were otherwise occupied for the holiday weekend) and we had perfect conditions: a steady 10kts with big swells. Overall the sailors showed proficiency in basic upwind technique, and did a great job with the capsize races – each sailor capsized, righted and bailed their boats 4 times. We should feel confident in safe capsizes and be able to push the angle of heel at which we kite in practice. Still, its apparent that even with fast righting and bailing, you will loose about half the fleet from a capsize – staying upright is a skill! Other than the capsize races, we did long upwind tacking on the whistle and grinds, and downwind surfing. As all were relatively close together in speed, the team showed an ability to make drills competitive and push each other. By the end of practice the sailors were fairly exhausted - stick with it a few more weeks and you will build up the endurance to complete such a practice with better energy and focus!
    In terms of the sailing, there were a lot of little yet important things that need to be corrected. Lets focus on three, leaving roll tacks for Wednesday's practice.

Staying anchored to the boat. Its hugely important that your body movements connect directly to the hull, and by extension the rig and foils. If your not connected, small moments have no effect, while big ones shake the rig. Eddy, Brian, and at times Joey all had issues with this, as I could see their feet flat on the floor of the boat. When fully hiked, the strap connects you to the boat, but in light hiking/not hiking conditions, make sure that your feet are pressed up against the hiking strap, and shins are pressed into the thwart. Knees should be together and angled forward.

Sailing with feel. A couple of things sailors need to identify through feel: is my helm balanced (is the tiller pulling or pushing against me)? Am I going fast or slow? Am I staying connected to the waves? If the helm is unbalanced, we need to slide smoothly in for leeward helm, or hike to correct windward helm. Fast or slow requires a change in modes. If we are fast, we can trim and point higher for a short period, turning speed and flow on our foils into height. If we are slow, we are not at max flow on the foils, and are probably stalled and going sideways. IMMEDIATELY go into foot mode: sail eased at least to the corner, both telltales streaming and facilitate this turn with shoulders out and back before smoothly moving in and forward. Staying connected to the waves is probably the most difficult thing to do in an Opti, but the most important for upwind speed in waves (obligatory Peter Commette Quote: “Waves are an excuse to use kinetics!”) Hips forward and shoulders back at the wave crest helps to drop the boat smoothly into the trough. We'll be practicing and refining this for the next two weekends on the ocean!

Basic Sail Trim/Pumping. Sailors were a little bit off with not only the aforementioned mode changes, but also with base sail trim. Repeatedly hitting the boom-over-the-corner mainsheet trim out of tacks is really important, and doing it while keeping your eyes forward on the telltales and waves makes those first 3 boat-lengths you sail after a tack substantially faster! B, being the newest to Optis, was under-trimmed upwind to start the day, but improved. Downwind, B, Eddy and Joey were slightly over-trimmed through the first drills, and couldn't sail as low as Bella and Brian – just like you change gears upwind, there is a proper mainsheet placement for each wind velocity downwind – out more in lighter air (past 90deg in very light so that gravity keeps the sail out), in more (with more vang on) in breeze.
Pump on every single wave in surfing conditions! Bee an Bella had a speed advantage downwind by sitting slightly further forward, and rolling the shoulders back while pumping each time the bow dipped lowest. Really, the timing of pumping should be very intuitive – pump and move aft when your boat is the most downhill. Gradually come forward while you surf and as the bow rises. Common mistakes included not pumping enough, sitting too far back, and wiggling the rudder too much - causing drag and taking the boat off a wave it could have surfed longer! Here is some downwind video of B and Bella: 





Finally, sailors were missing some necessary stuff for our weekend practices. Below is a re-post of the list I distributed at the parents meeting with gear that multiple sailors were missing underlined! Please be sure to come with this stuff next Saturday. 

Required Equipment:

Personal: Watch, lifejacket with whistle, appropriate layers/spray gear for the conditions, polarized
sunglasses. rigging knife (no sharp tips). Re-fillable water bottle with Carribeaner (clips to boat,
re-fill on coachboat)

Boat: extra sail ties (tied to front airbag webbing; both 25 and 40cm lengths of ~1.2mm line, 40cm lengths of 3mm line), 2 bailors, praddle, masthead fly/wind pennant. Practice blades and sails are acceptable –sailors should practice with their race spars and hulls.

Rigging Toolbox (required): metric tape measure. Lots of extra sail ties, permanent markers, sail tape,
duct tape, electrical tape, notebook/wetnotes, extra bungie, Sponge
      Recommended: 600 and 1000-1200 sand paper and sanding block. Small acetone bottle. McLube
or PTEF polish. Rags. Boat soap or dish detergent.

Drybag for Coachboat: Healthy Lunch - no sweets. Banana, powerbar, and a lean sandwich
recommended. Extra clothing layers. Sunblock.

Post Practice Workout Gear (in a bag): Running shoes, shorts, swimsuit (goggles if you prefer), T-shirt. Towel.



Thanks, and feel free to email me if you have any questions!

Arthur Blodgett


arthur.blodgett@lyc.org

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