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Fractional rig tuning
Fractional rig I tuning diagram (rig using
running backstay)
- Handtighten cap shrouds until mast is vertical.
- Adjust mast rake with forestay and runner.
- Tension cap shrouds to 15% of break. load.
- Set the mast pre-bend.
- Check and adjust maximum mast bend
- Check and adjust the cap shrouds under sail.
- Straighten the mast sideways under sail.
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