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Old 3rd August 2010, 07:47 AM   #2
Dream Team - School Guru
Join Date: Aug 2006
Posts: 2,177

Hi UnReg,
The two holes are for you to attach the tether line.
In your kit, there should be a short piece of nylon webbing (folded over on itself with
2 screws (they are shorter, therefore special, so do not mix them with the footstrap screws.
The holes are in an insert very smilar (just smaller) to the footstrap screw inserts on the
top side of your new board. They are completely sealed at the bottom of the holes so
you will have no leaks or other issues.
Will these holes affect performance.... not if you are using the board correctly.
When you get enough speed for the holes to make any difference, you will be planing
and that part of the board will be clear of the water.
The waterline, on your Rio, will move back to just under the front footstraps (in the rearmost
and outboard positions).
So, no worries...... and if you decide to use a tether to teach beginners, you are all set.
To rig a tether line, get a couple of 6 oz. fishing sinkers (lead weights) and tie them on to a light
'line (about 1/8 or 3/16" (4 mm)) so they hang below the level of the tip of the centerboard when it's fully down and deployed. Do not use polypro line as it floats and would require small weights the entire length of the
Run out as much tether line as you have room for, then put a weightlifting weight ( 10 lbs)
or mushroom type anchor on the end.
Then your student can sail out to the extent of the tether, but when they tack or jibe, the tether will not get wrapped in the centerboard and rear fin.
Hope this helps,

Last edited by Roger; 3rd August 2010 at 06:41 PM.
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