3D Sail Trim — Main Controls
Wind
Wind speed (kt)
12
Wind direction (° rel. bow)
45
0° is on the nose, + to starboard, − to port.
Controls
Mainsheet (tight)
70%
Sets boom angle and leech tension. Tighter = boom in, less twist.
Vang[kicker] (on)
40%
Pulls boom down, reducing twist. Adds leech tension off‑wind.
Outhaul (tight)
60%
Flattens the foot and overall draft. Looser adds depth for power.
Presets
Upwind 12 kt
Broad reach 6 kt
Gusty 20 kt
Reset view
Notes
• Simplified aero/rig model for learning. CE responds to twist, draft and boom angle.
• CE trail shows how trim shifts balance. Yellow dot is CLR reference.
Orbit: drag • Zoom: wheel • Pan: right‑drag