US box fins

2 years ago
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mob dog
mob dog
NSW
290 posts
NSW, 290 posts
2 Apr 2024 2:59pm
Does anyone know if you can get US box fins as large as 38-40cm?
decrepit
decrepit
WA
12872 posts
WA, 12872 posts
2 Apr 2024 12:05pm
It would need to be a well fixed box, to stop it rolling
mob dog
mob dog
NSW
290 posts
NSW, 290 posts
2 Apr 2024 3:47pm
decrepit said..
It would need to be a well fixed box, to stop it rolling


Yeah that was my initial thoughts. Might be a bad idea because I want to try one in my naish inflatable windsup and the us box slot is just glued on to the pvc, Might be too much strain for it
Imax1
Imax1
QLD
4937 posts
QLD, 4937 posts
3 Apr 2024 12:19am
Yes , you can get fins that long. I have a 42 in my old mistral race board. Its only rarely used in light wind. I wouldn't want to push off it.
jdfoils
jdfoils
450 posts
450 posts
2 Apr 2024 11:03pm
Wouldn't trust one that big.
Manuel7
Manuel7
1349 posts
1349 posts
2 Apr 2024 11:56pm
Why do you need?
Imax1
Imax1
QLD
4937 posts
QLD, 4937 posts
3 Apr 2024 6:19am
Because big is better.
What are we talking about?
mob dog
mob dog
NSW
290 posts
NSW, 290 posts
3 Apr 2024 9:08am


Wonder if a proper glass surfboard fin would be better, like this one. The fin it comes with is very flexible plastic.
Gestalt
Gestalt
QLD
14953 posts
QLD, 14953 posts
3 Apr 2024 8:14am
I use surfboard fins in all of my boards, sups too. Some surfboard fins are too thick, some are good. I use fins from need essentials which are excellent.

avoid the thin tipped longboard fins. Too much tip flex. Look for the fins with more area in the tip like the image you posted or the whale fin need essentials sell.
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