NORTH SAILS
X-99 Trimguide
Trim of mast
Mastrake
1.
Take off your forestay
2.
Bring it to the front of your mast
3.
Mark the forestay just under the black mark.
4.
Put the forestay back in its original place.
5.
Measure from the black mark on your forestay to the centre of the pin-bolt when put back
on its place
6.
The lenght should be adjusted to the actual wind speed according to below table
228 cm
14-26
226-227 cm
8-16 knt
225 cm
0-10 knt
Measurement
Wind
(TWS)
Mast step
1.
Measure from aft bulk head to back end mast step. (28-36mm)
2.
Centre your mast at deck level according to your shroud position
3.
Measure your J-measurement (forestay position at deck level to front of mast at deck level).
This measurement should be 3450 mm. Maximum J-measurement according to class rules.
Step 1
Step 2
Step 3
Step 2+3
Step 5
Step 6