NACRA F18 Evolution Catamaran Sailboat Owner’s Manual

Table of Contents

Product Specifications

Model: Nacra F18 Evolution
Year: 2024
Recommended Crew Weight: 140kg – 160kg
Wind Strength:
- Upwind: Untill 6 knots
- Downwind: 6 to 12 knots, 12 to 18 knots

Mast Setup

To set up the mast, ensure the shroud tension is 180 kg. Measure the mast rake by checking the angle difference between the transom and mast with a level app.

Daggerboards Adjustment

Measure the board rake by finding the distance between the daggerboard case front and the bearing.

Jib Positioning

Set the clew position of the jib by adjusting the shackle on the clew board. Ensure the jib car position on a self-tacker corresponds with the Nacra trim sticker.

Wind Strength Guidelines

Adjust the mast rotation, board rake, and crew weight based on wind strength:

2024 tuning guide for Nacra f18 Evolution

*Mast rake is taken with the mast rotation in center position, ensuring that the shroud tension is 180 kg.

Spreader rake is measured by placing a batten on the diamond stays next to the spreaders. And measure to the back of the mainsailtrack.
Mast Rotation Tip: Look up the mast and check the distance between the leading edge of your spreader and the leech of your jib. This should always be set to approximately 10 cm.
Mast rake can be measured by measuring the angle difference between transom and mast. This needs to be done with 180kg shroud tension and can be done with your phone by using a level app
Board rake can be found by measuring the distance between the daggerboard case front and the bearing
- 37mm = 0° | 27mm = -1° | 22mm = -1,5° | 17mm = -2°
Clew position Jib is the position of the shackle on the clew board.
Jib car position on selftacker numbers are based on position indicated by Nacra trim sticker

Frequently Asked Questions

How do I measure the spreader rake?
- To measure spreader rake, place a batten on the diamond stays next to the spreaders and measure to the back of the mainsail track.
What is the recommended mast rotation tip?
- Look up the mast and check the distance between the leading edge of your spreader and the leech of your jib, ensuring it is approximately 10 cm.

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