Hullform: Simulator and Tuner

A sailboat simulator and tuner. A readout shows speed, heel, leeway and apparent wind while you sail; you can gust or ramp the wind, tack, dump the sheet, change how much sail is carried, and switch on a force view and orbit camera.

Lineage

Earlier versions of this page, oldest first. Each is a snapshot, kept so you can see how it was adjusted.

1. Parametric simulator, 2026-10-03: the first take, with live readouts, gusts, tacks and a force view.
2. Design bench, 2026-10-04: hull, foils and rig become adjustable, with a capsize test.
3. This page, 2026-10-04: the simulator and tuner.

Last updated 2026-10-04 01:01 UTC · made on claude.ai

Model, effort and cost weren't recorded for this one: it was made on claude.ai, which doesn't keep them with the page.