Well, there's the basic stuff: backstay off, release cunningham (or main halyard), ease the outhaul. You should have the mainsail plastered on the shrouds. Let the vang out until the boom is horizontal. Keep your crew weight centered over the keel to keep the stern of the boat out of the water. Keep the clews even on the spinnaker by adjusting the pole height, etc, etc.
But most importantly, dont go dead down wind. The polars for the J30 show that the true wind direction should be about 160 degrees. From the polar diagram on the
J/Boats website, at 8 kts true wind speed and 160 degrees true wind angle, the boat speed is approx 4 kts. Doing the math results in an apparent wind speed of 4.5 kts at an angle of about 140 degrees. So, keep that wind indicator slightly more than halfway aft of the beam. If you feel like the boat is getting sluggish, heat it up to build speed then come back to the target.
