Well since you ask, my rear fin appears to be very close to the center, but my front fins were evenly toed in by about 3mm (1.5mm each) but are central to the board, unfortunately this is also considered withing tolerance, so I made the decision to buy another set of fins to correct the north problem.damian wrote:wdric wrote:Rista have done this for me, but it means paying for another set of fins that are only good for that boardktouhey wrote:give Ristafins.com a shout.
they might be able to pot a back fin special to account for the offset on your board.
Hi Rick
Just out of interest did you get a board like this one too? how much was yours out and was it really that noticeable on all points of sail or only on one tack heading downwind? (i thought you had the standard North fins)
How much better are the Rista fins?
I wonder if they are using the IKA board rules as the reason to say it is within tolerance?mexiwind wrote: After closer examination i took the board to my local shaper friend who measured from center line of board to fin boxes and one box is more than 2mm out from the front to back of the box!! After marking up the board with precise measurement the shaper also noticed that the nose of the board was not symmetrical and one rail was sanded much sharper than the other. All being said i took some pictures and sent them to the USA distributor, who forwarded them on to North, and to my surprise they said that this was within tolerance for these board!! They forwarded me the email from Dirk Hanel who told them to deny the warranty claim as 2mm was within tolerance!!
Unfortunately I think they probably will fall back on those tolerances as their standard.wdric wrote:I wonder if they are using the IKA board rules as the reason to say it is within tolerance?mexiwind wrote: After closer examination i took the board to my local shaper friend who measured from center line of board to fin boxes and one box is more than 2mm out from the front to back of the box!! After marking up the board with precise measurement the shaper also noticed that the nose of the board was not symmetrical and one rail was sanded much sharper than the other. All being said i took some pictures and sent them to the USA distributor, who forwarded them on to North, and to my surprise they said that this was within tolerance for these board!! They forwarded me the email from Dirk Hanel who told them to deny the warranty claim as 2mm was within tolerance!!
I just found this on the IKA site and the tolerance is quite large if applied to something like fin boxes. EG: allowed 1%, so if fins are 500mm apart they could argue that they could be up to 5mm different between boards!
We agree to supply only equipment built in accordance with the above specifications and that the final weight shall be within tolerances of 5% of the values recorded; and the final measurements shall be within tolerances of +/- 1% with a minimum of +/- 2mm and a maximum of +/- 5mm of the values recorded. The minimum and maximum measurements of the class rules MUST NOT be exceeded by the measurements plus the allowed tolerance !
Copied from the IKA site
http://internationalkiteboarding.org/im ... %20v08.doc
wdric wrote:I wonder if they are using the IKA board rules as the reason to say it is within tolerance?mexiwind wrote: After closer examination i took the board to my local shaper friend who measured from center line of board to fin boxes and one box is more than 2mm out from the front to back of the box!! After marking up the board with precise measurement the shaper also noticed that the nose of the board was not symmetrical and one rail was sanded much sharper than the other. All being said i took some pictures and sent them to the USA distributor, who forwarded them on to North, and to my surprise they said that this was within tolerance for these board!! They forwarded me the email from Dirk Hanel who told them to deny the warranty claim as 2mm was within tolerance!!
I just found this on the IKA site and the tolerance is quite large if applied to something like fin boxes. EG: allowed 1%, so if fins are 500mm apart they could argue that they could be up to 5mm different between boards!
We agree to supply only equipment built in accordance with the above specifications and that the final weight shall be within tolerances of 5% of the values recorded; and the final measurements shall be within tolerances of +/- 1% with a minimum of +/- 2mm and a maximum of +/- 5mm of the values recorded. The minimum and maximum measurements of the class rules MUST NOT be exceeded by the measurements plus the allowed tolerance !
Copied from the IKA site
http://internationalkiteboarding.org/im ... %20v08.doc
Agreed 100%ronnie wrote:
If North were going to insist that they could turn out boards with the fins twisted by 2mm I would never buy a North board, so its a good thing that problems like the one highlighted on this thread are made known to potential buyers.
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