Using a Spinaker

The Spinaker is a sail that you use when the wind comes from behind.
It is usually bigger than the normal sail area.
Usually we our normal sails we have 79square meters and with the
spinaker we have 105 square meters.
It a very comfortable cruise and since you are then going with the
wind which comes from behind you have almost no apparent wind on the
boat.
For example the wind comes with 8knots from behind and you drive
7knots, then you only have around 1knot of wind that you feel on the
boat.

So it is a smooth ride and usually also quite fast.
Our sail is called a Parasailor from the german company ISTEC. Its not
cheap but with the opening it is very robust and can vent the pressure
also through the opening.
The comapny says that due to the wing in the opening the sail would
also create some uplift force but i could never feel this. But it is a
great sail which we also used for our Biscaya crossing 2 years ago. We
had it up for almost 3days and nights in a row.

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