Sail Technologies J 120

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Tuning Guide PDF

Base Settings


Headstay Length.  Using genoa halyard, swing an arc from the top of the gooseneck black band to the headstay and place a mark on the foil.  Measure  from this mark to the tack pin.

7’  9”

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”

True Wind Speed

Sail Selection

Headstay

Cap Shrouds

Lowers

Intermediates

Really light 0-5

A/P or light #1

Base

-4

-2

-2

Light 5-8

A/P or light #1

Base

-2

-1

-1

Medium 8-14

A/P

Base

Base

Base

Base

Heavy 14-18

A/P or Heavy#1

Base

+1

+1

+1

Really Heavy 20+

#3

Base

+2

+2

+2