Strikul

Polar Bay Media

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About this app

Tune a sailing rig by the numbers 🔢: read wire tension and get the turns to take.

Strikul helps you set up the standing rig of a sailboat by the numbers 🔢, not by feel.

Describe your rig once. Add each wire with its role, side, construction 🏗️, diameter, length and bottlescrew. The app 📱 keeps them on a bench, with the tension of every wire shown in percent ％ of breaking load.

Pick the conditions, light, medium or heavy, and the target 🎯 band changes with them. Each wire shows whether it sits in band, slack or too tight.

On a wire's page, enter the reading from your dial gauge. It shows the figure as a percentage of breaking load and in kilonewtons. Then dial in turns on the named bottlescrew. You see 👀 the tension after the change, how far the column moves and how much thread shows.

What you can do with Strikul:
- Keep a rig with its wires, ready to read at a glance
- Check ✅ each wire against the band for light, medium or heavy conditions
- Work out quarter turns on a named bottlescrew before you pick up a spanner
- Collect wires into a tuning session ⏱️ and finish it when you are done ✅
- Sight the mast from a photo 📸 you take or pick from your library 📚
- Look back at past sessions ⏱️ in the rig book 📚, with rake against condition and tension drift charts 📊
- Browse the locker: 6 wire constructions, 10 terminals and 8 tools 🛠️, each pictured and described
- Use the fault key: 12 things you can see 👀 on a rig, each with its cause and a prescription in turns

Strikul is for owners, riggers and crews who want to know 💡 what a turn will do before they make it. Your next tune starts from what worked last time ⏱️.