Fins

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Lobes
Lobes
885 posts
885 posts
5 Jul 2009 9:49am
Hi all, I'm looking for some input on Fins. Theres been a lot of talk about how changing the fin set ups on your board makes a big difference. Particularly for surfing but also for racing and downwinders.

What sort of difference are we talking about here? For surfing I use an 11' NSP and it goes pretty well with the stock fins on it but will I see better performance by replacing those with something else? Should I be looking at sailboard fins or are there special SUP fins? How does mixing and matching the side fins affect performance? (Im 6', 95kg)

For distance paddling I'm using a Naish Glide. Is there a Fin you can use that will make you faster? What are the trade offs for speed and stability with regards to aspects like yawing and and how a fin may interact with rails? Also dagger fins.

DavidJohn
DavidJohn
VIC
17570 posts
VIC, 17570 posts
5 Jul 2009 1:51pm
Lobes..I'm not sure different fins will make all that much difference in the big 11' NSP because the board is pretty big with soft rails and also pretty heavy.

Changing fins is much more noticable on smaller lighter boards that get pushed through the turns.

On the Glide it's a matter of stability and straight tracking and you need to find a fin that's as small as you can go to reduce drag and still gives you enough stability and straight tracking.

Fin shape is also important if drag is a factor.. (eg. racing and down-winders) .. The spitfire wing shape like Jonathans Pene fin is one of the most efficant shapes .. IMO..

DJ
OG SUP
OG SUP
VIC
3516 posts
VIC, 3516 posts
5 Jul 2009 2:32pm
What DJ Said

Phill
Th0m0
Th0m0
QLD
529 posts
QLD, 529 posts
5 Jul 2009 2:36pm
I used to surf the 11' NSP and I think the big red centre fin that comes with the board is pretty good. The little side fins are a bit ordinary but as DJ said, I don't think changing them will be a worthwhile exercise. For a big board it actually surfs pretty good. If you want to improve it's turning ability, try moving the centre fin forward more. I seem to remember reading a review on the board where they said they prefer the fin as far forward as it goes. However I used to have the fin slightly forward of centre.

Th0m0
Th0m0
Th0m0
QLD
529 posts
QLD, 529 posts
5 Jul 2009 3:04pm
Not sure how advanced you are so you might know all this already. The key to surfing the big boards well is being able to move around on them comfortably. You need to be forward to catch waves and trim but then you need to get back over the fin (as Phil said) every time you want to turn. The quickest and most efficient way to move back and forward on a big board is to cross step. I used to ride a 9' mal before sups came along and I never cross stepped on it. But I found it essential on the big NSP. If you are not cross stepping I would suggest trying it. The NSP is the perfect board to learn on and its a lot of fun once you get the hang of it.

Th0m0
Lobes
Lobes
885 posts
885 posts
5 Jul 2009 1:26pm
Thanks for the input all. I have actually lost my side fins from the NSP. They were in my car when i got carjacked a while back We got the car back but no fins unfortunately. Given the soft rails on the NSP is it more worthwhile for me to try and replace them? Does anyone know where in Vic they are available?


Th0m0 said...

Not sure how advanced you are so you might know all this already. The key to surfing the big boards well is being able to move around on them comfortably. You need to be forward to catch waves and trim but then you need to get back over the fin (as Phil said) every time you want to turn. The quickest and most efficient way to move back and forward on a big board is to cross step. I used to ride a 9' mal before sups came along and I never cross stepped on it. But I found it essential on the big NSP. If you are not cross stepping I would suggest trying it. The NSP is the perfect board to learn on and its a lot of fun once you get the hang of it.

Th0m0


Th0m0 thanks for that. This is something I learned the hard way on the NSP! Every time I went to catch a wave I would step back right over the fins. This would slow the board right down and usually send me over the falls. I got quite a few beatings until I worked out the better place to stand! I'm still pretty hopeless at walking around the board but its something I practice a lot and am getting better at. Currently I am doing more of a shuffle around but I will try the crosstepping method out. Coming from a mostly wakeboarding background I sometimes have to remind myself that my feet arent strapped on LoL
Oi
Oi
QLD
97 posts
Oi Oi
QLD, 97 posts
5 Jul 2009 3:44pm
Lobes said...

Thanks for the input all. I have actually lost my side fins from the NSP. They were in my car when i got carjacked a while back We got the car back but no fins unfortunately.


i guess getting carjacked is the norm in PNG (if thats where you still are). just makes me laugh the fact you got the car back but they must of really liked your NSP side fins!!!!
Revvin
Revvin
VIC
299 posts
VIC, 299 posts
5 Jul 2009 3:49pm
You can get converters to put FCS fins into the NSP fin boxes if you wanted to put some side biters back in. Most places that sell the NSP surfboards should sell them.
DavidJohn
DavidJohn
VIC
17570 posts
VIC, 17570 posts
5 Jul 2009 3:50pm
Hey Phill.. Put back what you had because we all have our own opinions and I agree alot with what you said.

Just because I try and answer peoples questions it doesn't mean I'm an expert or know-it-all..

Some of the time I do it to try and fire up others to give some input..

Lobes.. SHQ would be a good place to start.. They have a 11' NSP in their shop right now so you can check that they fit ok..

There's different types of fin bases... Here's a pic that I took of the NSP fins.

DJ



Lobes
Lobes
885 posts
885 posts
5 Jul 2009 1:57pm
DavidJohn said...

Hey Phill.. Put back what you had because we all have our own opinions and I agree alot with what you said.

Just because I try and answer peoples questions it doesn't mean I'm an expert or know-it-all..

Some of the time I do it to try and fire up others to give some input..



Phil I agree. I was interested to hear about the guys experimenting on the big Laird as thats one of the few boards I've ridden in the surf so far. Also the point about placing your foot in relation to the fin box bears further investigation.
Lobes
Lobes
885 posts
885 posts
5 Jul 2009 2:04pm
Oi said...

Lobes said...

Thanks for the input all. I have actually lost my side fins from the NSP. They were in my car when i got carjacked a while back We got the car back but no fins unfortunately.


i guess getting carjacked is the norm in PNG (if thats where you still are). just makes me laugh the fact you got the car back but they must of really liked your NSP side fins!!!!


Well not quite the norm. I've rarely had any trouble but I was heading home from rugby training and let my guard down a bit and they got me. Usually its ok. These guys had a gun though so I wasnt gonna mess. Last I heard they were on trial for doing the same thing to a Taxi

Thats not the half of it though. When we recovered the car they had actually tinted all the windows! Still had 3/4 tank of gas too Buggers took my soft racks too though.
OG SUP
OG SUP
VIC
3516 posts
VIC, 3516 posts
5 Jul 2009 4:10pm
DJ,

I removed what I said because I agree with you in this situation I dont think fins will help its more a positioning thing.

As thomo pointed out being nimble on the board is more important. Fins will only add the icing to the cake.

Phill

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