J-120 Tuning Guidelines

Base Settings

Headstay Length: Using the Genoa halyard, swing an arc from the top of the goose neck black band to the headstay and place a mark on the foil. Measure from this mark to the tack pin. 7′ 9″
With the mast base fully forward, distance from mast to bulkhead aft. 6′ 1/4″
Cap Shroud Tension 30.5 RT11
Lower Shroud Tension 32 RT11
Intermediate Shroud Tension 8 RT11
Pre-Bend Less than 1″