Version 5 RACING GUIDES ullmansails.com J/105 Rig Tension Chart Using a PS 10 Loos Red Gauge Standard (Old-Style) Turnbuckles Wind Strength in Knots: 0-7 8-16 17+ Upper Shrouds Adjustment (turns) +1.5 +2 Loos Gauge 37 41 51 Intermediates Adjustment (turns) +.75 +.75 Loos Gauge 12 17 22 Lower Shrouds Adjustment (turns) +.5 +.5 Loos Gauge 0 0 5 0-7 knots is the 'Base' setting; adjust tighter for more wind New Turnbuckles Wind Strength in Knots: 0-7 8-16 17+ Upper Shrouds Adjustment (turns) +3 +4 Loos Gauge 37 41 51 Intermediates Adjustment (turns) +1.5 +1.5 Loos Gauge 12 17 22 Lower Shrouds Adjustment (turns) +1 +1 Loos Gauge 0 0 5 0-7 knots is the 'Base' setting; adjust tighter for more wind 1