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Tip Speed Ratio Calculator

Calculate the tip-speed ratio (TSR) of a wind turbine at any wind speed.

⚡ Instant results 🔒 Private — runs in your browser ★ 4.8 / 5 rating

TSR is the ratio of blade-tip speed to wind speed. Three-bladed turbines perform best at TSR 6-8.

How to use this tool

  1. Enter your values in the fields provided.
  2. Read the instant results below the form.
  3. Copy, download, print, or share your result.

💡 Good to know

All calculations use standard, published formulas and simplified assumptions so beginners can build intuition. For real projects, always consult qualified engineers and site-specific data.

Frequently asked questions

Optimal TSR for a 3-blade turbine?

Typically 6-8. Below this the rotor is too slow; above, turbulence from one blade reaches the next.

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