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How to Unjam an In-Mast Furling Mainsail — Step by Step
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15:24
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How to Unjam an In-Mast Furling Mainsail — Step by Step

SW
2 videos on DIYdact
78%useful

Detailed walkthrough for safely resolving a jammed in-mast furling mainsail. Covers load reduction, halyard tension adjustment, furling line release, and manual override.

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Key timestamps

5 chapters
0:45
Reduce sail load before attempting

Critical first step — get as much load off the sail as possible

Jump
2:30
Check halyard tension and slack
Jump
5:15
Release furling line tension safely
Jump
8:00
Manual override technique

Wrap a line around the furling drum for added leverage

Jump
12:30
When to seek assistance
Jump

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This video helps with

Unjam an In-Mast Furling Mainsail
Sailing & Boating

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