What do we look for in headstay sag to optimize jib trim for a variety of light-air conditions.

J70 jib trim. On the leeward side for repeating fast So it is necessary to postion the jib lead. 2013 Quantum mainsail 2013 Quantum jib 2013. Proper jib trim will help balance the boat and help in boat speed and pointing ability.

J70 Tuning Guide R Selden Mast Install trim marks on the spreaders at the mid-point aligned with the center of the hull. The J-2 is cut to the same leech length as the J-6. We like the one single spreader reference mark positioned in the middle of the aft edge of the.

The J70 is simple fast and most important-FUN. It features a slightly deeper entry low down than the previous J-2 design allowing a more forgiving steering groove while maintaining a lot of the features of the J-2 that made it so successful. You must do it using windward sheet and having regard to the jib dimension and mast position the windward sheet will pull the jib not only in-side but also forward.

30 minutes from trailering to sailing. For the week in the conditions stated above we had our cars set with 4-5 holes showing in front of the car from the first bolt head on the track. The first step in jib trim on the J70 is jib lead car position.

Trim in until it just stalls then ease a hair until it starts flowing again. The jib is very high aspect and little. 2017 J Boats J 70.

The boat at top has a tighter headstay which gives the jib a finer entry less power and less drag. One thing we have found is key is to always keep the jib leech tell tales flowing. Setting this position is important as it.