Viper Owner's Manual 41
Correctly aligning the rudders will have a marked effect on the feel and performance of the boat. The
simplest method is to support the boat so that the rudders can be put in the fully down position. Use
a tape measure to measure the distance between the leading and trailing edges of the blades at the
bottom of the transom. The rudders need to be set up so that they have 2 - 3mm of toe-in; that is the
leading edges of the blades are 1 - 3mm closer together.
To adjust the alignment; unscrew the small screw that holds the end into the tiller cross bar and slide
the white nylon spacer in or out as desired. DO NOT slide the rubber flex joint out of the nylon
spacer. You will need to drill a small pilot hole into the nylon so you can re-screw the small screws
back into the ends.
4.4.3 NOISY FOILS
Occasionally there will be a foil (rudder or centerboard) that will be very noisy at certain speeds.
Below shows two methods that have proven successful in removing this noise.
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