Quad fins Setup

mikel · 9th February 2010, 11:06 PM

Hi, i have a Quad convertible 86 but i don´t know what size of fins i must use in diferent conditions o when to use the quad setup, trifin setup o one fin setup.

What would be the size of the fin in trifin or monofin setup?

When is better trifin, quadfin or monofin setup?

My weight is 72kg and i don´t jump too much y prefer the surf.

Thanks for your help
Mikel

Ola_H · 10th February 2010, 04:39 AM

I personally for sure like Quad best. I have tried a bit with a tri fin setup, but for wave riding I have needed to go for a rather small center fin (14-15) to get the same loose feel as with the quad setup and then you loose a bit of upwind and planing. But for if you wanna use really big sails, a tri fin with a bigger center fin (17-19, maybe) could be an option. I have not tried only a center fins, but other people have and like it a lot. SO for a more traditional feel, this is for sure worth trying. Size would depend on sail size. What are you using on this board?

mikel · 10th February 2010, 06:51 PM

hi Ola, thanks for your advice, we will try the board whit all setups, initially we have fins fron 21 to 25cm, for monofin it must be ok, but we haven`t any smaller fin as 17-19, if i can i will try to get one and try it too in trifin.
Thanks for your advice again.
Mikel

peterQ · 11th February 2010, 02:27 PM

Ola-H,

I have a question about the Quads and especially the fins.
I watched the video from Moreno twins on Continent 7 and I noticed that that one of the Moreno uses a Quad with the big fins back, probably it is a custom because as far as we know Starboard produces only Quads with the big fins front.
Do you have any info about it?

Ola_H · 12th February 2010, 01:18 AM

I quickly watched the video and didn't see what you saw. Can you give me a link + a time where you can see this big fin back quad setup? I did see some of them used a convertible with a rather big fin in the back (ie set up as a tri fin). The Quad convertible goes well like this. It's not what I prefer myself, but it's good that such a setup also works cause it opens up even more tuning possibilities.

mikel: Yeah, wave fins from 21-25 is pretty much the right range to use it as a single fin. As a tri fin, you should try smaller in the middle, particulalry if you keep the big 16cm side fins.

peterQ · 12th February 2010, 12:25 PM

you must be correct Ola_H, should be a convertible with tri-fin layout, one single big fin with two thrusters, left/right.
One question, does the convertible has a normal US box for the big fin?
and what kind of thrusters can we use? how big they should be for the 71 lit?

9th February 2010, 11:06 PM	#1
mikel Member Join Date: Aug 2006 Posts: 185	Quad fins Setup Hi, i have a Quad convertible 86 but i don´t know what size of fins i must use in diferent conditions o when to use the quad setup, trifin setup o one fin setup. What would be the size of the fin in trifin or monofin setup? When is better trifin, quadfin or monofin setup? My weight is 72kg and i don´t jump too much y prefer the surf. Thanks for your help Mikel

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10th February 2010, 04:39 AM	#2
Ola_H TEAM Join Date: Aug 2006 Posts: 1,191	I personally for sure like Quad best. I have tried a bit with a tri fin setup, but for wave riding I have needed to go for a rather small center fin (14-15) to get the same loose feel as with the quad setup and then you loose a bit of upwind and planing. But for if you wanna use really big sails, a tri fin with a bigger center fin (17-19, maybe) could be an option. I have not tried only a center fins, but other people have and like it a lot. SO for a more traditional feel, this is for sure worth trying. Size would depend on sail size. What are you using on this board?

10th February 2010, 06:51 PM	#3
mikel Member Join Date: Aug 2006 Posts: 185	hi Ola, thanks for your advice, we will try the board whit all setups, initially we have fins fron 21 to 25cm, for monofin it must be ok, but we haven`t any smaller fin as 17-19, if i can i will try to get one and try it too in trifin. Thanks for your advice again. Mikel

11th February 2010, 02:27 PM	#4
peterQ New Member Join Date: Oct 2009 Posts: 19	Ola-H, I have a question about the Quads and especially the fins. I watched the video from Moreno twins on Continent 7 and I noticed that that one of the Moreno uses a Quad with the big fins back, probably it is a custom because as far as we know Starboard produces only Quads with the big fins front. Do you have any info about it?

12th February 2010, 01:18 AM	#5
Ola_H TEAM Join Date: Aug 2006 Posts: 1,191	I quickly watched the video and didn't see what you saw. Can you give me a link + a time where you can see this big fin back quad setup? I did see some of them used a convertible with a rather big fin in the back (ie set up as a tri fin). The Quad convertible goes well like this. It's not what I prefer myself, but it's good that such a setup also works cause it opens up even more tuning possibilities. mikel: Yeah, wave fins from 21-25 is pretty much the right range to use it as a single fin. As a tri fin, you should try smaller in the middle, particulalry if you keep the big 16cm side fins.

12th February 2010, 12:25 PM	#6
peterQ New Member Join Date: Oct 2009 Posts: 19	you must be correct Ola_H, should be a convertible with tri-fin layout, one single big fin with two thrusters, left/right. One question, does the convertible has a normal US box for the big fin? and what kind of thrusters can we use? how big they should be for the 71 lit?