J World:  The Performance Sailing School & Sailing Club   

San Francisco Bay |  Puerto Vallarta, Mexico   |   1-800-910-1101     

Express 27 Tuning Guides and Tips - J World San Francisco Bay, The Performance Sailing School and Club
 

Quantum Sails Mumm 30 Tuning Guide

Class Tuning Guides

BASE SETTINGS

  • Headstay (forward face of mast to center of pin at stem) 12.204m
  • Mast Base (forward face of mast to center of forward stem bolt) 3.49m
  • J Dimension 3.31m
  • V1 Tension (15-17 turns beyond hand tight) 35 on Rod Loos Gauge
  • D2 Tension 2-4 turns beyond hand tight
  • D1 Tension 4-5 turns beyond hand tight
  • Prebend 65mm

PDF Tuning Guide 1,404.4K

 

 


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