How many people can do this at home and how much does it cost to have it done ?

Not to mention the fact that a larger portion of the sailors choose to have the "old" setup when given a choice.

The only "advantage" of the hydrolic tubing it "not having a halyard". Its largest drawback is "not having a halyard" and the fact that it is much harder to fit to a normal size sail bag.

In the way of aerodynamic (performance) it is a non issue.

In the way of weight difference it is a 225 grams (1/2 lbs) issue; as per 18 meter of 4 mm dyneema.

In the way of tipweight, the 8.5 meter halyard still running up inside the sailtrack when the mainsail is hoisted contributes a staggering 57 grams of tipweight (1/8 lbs). This on a class minimum of 6 kg which is 106 times as much. So the difference in tip weight is less then 1 %

Maybe there is an advantage of having the top of the sail run level with the top of the mast. Too bad that this same feature can be had with a halyard system as well. Some F16's already have such a setup, see the pictures for clearification.








So the question becomes, is there any real advantage of having a push up mainsail ?

Wouter