SailRhythm

SailRhythm

A physics-based visual sail trim simulator and VPP

SailRhythm is a free, web-based sail trim simulator that provides interactive, physics-based visualization to help sailors master sail adjustments. Ideal for learners and instructors, it accelerates understanding of essential sail trim concepts without the cost and constraints of on-water practice.

Side projects · Games · Education

Features

Interactive 3D visualization of sail shape and wind
Real-time physics-based feedback on sail adjustments
Accurate modeling based on Catalina 36 polar data
Controls for mainsheet, traveler, backstay, cunningham, outhaul, and more
Instant insights into boat speed, heel angle, and sail efficiency
Browser-based access with no installation required
Optimized for desktop, tablet, and mobile use
Completely free for all users

Use Cases

Recreational sailors learning basic sail trim
Intermediate sailors refining sail handling skills
Sailing schools and instructors enhancing classroom instruction
Pre-charter training to build confidence and competence
Simulation-based demonstrations for educational sailing events

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Comments

Stanislav Sedov

Computer programmer.

Built it for myself to understand sail trim and sailing performance better, but I think it will be useful for others to learn as well. Would appreciate any comments and feedback!

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Vinay Jain

I'm a passionate Web Developer

Congratulations on your launch! This tool is impressive, providing a seamless way to uncover the location of any photo. Do check out my launch, Lin-k.ai, it's a free URL shortener, QR code generator, and Bio Page generator: https://fazier.com/launches/lin-k.ai

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Social Links

Stanislav Sedov · Follow

Computer programmer.

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Stanislav Sedov · Follow

Computer programmer.