OutdoorsTried-and-true tip
Spiralling telltales reveal stalled airflow
A telltale that spirals shows the airflow on that side of the sail has stalled.
- Time
- ⏱ 2 min
- Difficulty
- ◆ medium
What you need
- Wool telltales
How to do it
- Watch the telltale on the windward side.
- If it spirals, the airflow has stalled.
- Adjust the sheets and correct the sail accordingly.
Sources
This is where we found the tip. The badge above shows how well it is backed up.
- en.wikipedia.org (opens in a new tab)
If one tell-tale begins to spiral, it is indicating the sail has detached air flow on that side.





