Select to expand quotef4Foils said..
Hi Everyone and hope you are all coping with the virus situation...
The foil boxes are a huge challenge partly because the design and construction of the cobra built boards use a box that isn't strong enough to support the load on the leading edge of the box. We have broken every box from several brands because the boxes are potted with a brittle resin that breaks out and then the foil point loads the very front and breaks the box. It goes against the Tuttle design and counter intuitive form an engineering perspective to support the foil at the top instead of the front face. This is also a challenge since there is seemingly no way to make this perfect with contact and mechanical support on two surfaces. However, once we started putting in 3d printed shims at the top of the base all the issues went away and the foils are much more locked in the board. This also gives the ability to change the rake bit which is super great. If anyone wants the 3d model for the shims let me know and I make them available via a printing service.
--cr
The added parallel shim may be stopping the mast head from moving/rolling forward under load & then point loading the front of the box.
With the parallel shim the bolts & top of the box could then be taking some of the load, 5 sides in contact.
Adding additional shims to angle the mast would create more issues as the tapers are no longer in contact & you are actually introducing point loading to the box.
Simply a standard box is not designed for a foil but if a beefed up box is used & fitted into the board correctly the system should work fine.
Select to expand quotePaducah said..
Remember the hysterics about numbers in the foil race classes?
www.facebook.com/mmenagen/videos/10158154533233604/
What a venue!
Good collection of videos about IQfoil on the UK forum including an extended interview with Remi Villa
sailboardsforum.com/viewtopic.php?f=14&p=7869#p7869
Got around to watching part of this interview of R?mi Vila (it's one of the videos in the link above) and there's a ton of information if you love to geek out on technical details.
Gonzalo did a live stream the other day
"Foil World Champion Gonzalo Costa Hoevel ARG3 will talk about the iQFoil concept. "
www.facebook.com/windfoilnewzealand/videos/951325148624447/
