board characteristics?

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bennie
bennie
ACT
1258 posts
ACT, 1258 posts
13 Jul 2009 7:05pm
hopefully someone with a better understanding of board design/attributes can help me understand exactly what characteristics makes a board(specificly twintips/mutants) better handle chop and small onshore waves. Is It mainly the rocker? and does the out line shape matter?, what about the rails?. I know that lightwind boards (flat rocker straightish outline shape) don't handle chop so well. Does board flex come into play? and what about the bottom shape, single concave, double concave ect?

Coose
Coose
VIC
229 posts
VIC, 229 posts
13 Jul 2009 11:47pm
Yes what you said about rocker is correct, its better in the chop, but it also comes with the downside of not having as much up wind ability. This is why wake boards are not recommended to learn on.

If your are riding in choppy conditions which are gusty or over powered a flatter board with a bit more flex is advisable, making it easier to keep your upwind ground. Many board designs today using rocker are now putting channels in their boards to disperse water in a more precise ways making landings smoother and softer compared to a flat based board with rocker whereby water is not being channeled in as an accurate manner. Also another upside of having channels in a board is having more hold/ grip on the waters surface increasing turning and also adds to upwind hold.

outline and shape determines many things such as speed, turning and pop. Using the rockerd board again as an example. Looking at a rockerd boards outline, it is generally thicker in the middle and thinner at the tips (also again helping with the distribution of water when landing)

because a rockerd board is curved the middle sits lower in the water making the board slower (making a flatter board a better light wind option) a board with less rocker will be faster due to the board not sitting as low in the water, and hence allowing it to hold its surface tension longer on the waters surface.

A board which is flat but has allot of flex can handle choppy conditions well when ridden with a bit more weight than normal on the back foot. A board with more flex when edging hard can develop a bit of rocker (due to the nature of the flex in some boards this may vary) helping the board cut through the chop better compared to a board with more stiffness.


i seriously could go on for pages about board design, but unfortunately in this day and age of technology and science everything is just to complicated.

but if it comes down to it, its how you ride the board not the board its self for all we know the latest reviews could be written by a kook of a bloke which couldn't tell the difference between a blank of wood with foot straps and one of the best boards on the market today.

ride with what you've got, have fun




bennie
bennie
ACT
1258 posts
ACT, 1258 posts
14 Jul 2009 4:33pm
thanks for the info Coose, you sound like u have a great understanding of board design/dynamics. I have an old board(twin tip) which I learnt on in my garage and it occured to me that it might be a good in the surf(not pumping barrels, but small on shore mush, like we get a lot of in summer) It has a fairly rounded out line shape(similar to an airush hammer) is about 160cm long by 40cm wide, has a large continuous rocker, it has heaps of volume, and very round rails(almost surfboard like). It is also very stiff, no flex at all. What do you or anybody else that cares to comment think?. And if I am wrong, what characteristics does a board(twin tip) need to perform in the surf?
pfr
pfr
NSW
156 posts
pfr pfr
NSW, 156 posts
14 Jul 2009 6:40pm
for me twin tips that taper slightly in at each end perform better in the waves. a lot of the new boards out there have the shape of a rectangle which is ****house for wave riding. anyway, you don't see anyone riding a surfboard the shape of a rectangle
an example is the shape difference comparing the slingshot glide and the sx. The sx is better for wave riding as the shape isn't a rectangle like the glide. The ends taper in a bit
Coose
Coose
VIC
229 posts
VIC, 229 posts
14 Jul 2009 8:05pm
bennie said...

thanks for the info Coose, you sound like u have a sound understanding of board design/dynamics. I have an old board(twin tip) which I learnt on in my garage and it occured to me that it might be a good in the surf(not pumping barrels, but small on shore mush, like we get a lot of in summer) It has a fairly rounded out line(similar to an airush hammer) is about 160cm long by 40cm wide has a large continuous rocker, it has heaps of volume, and very round rails(almost surfboard like). It is also very stiff, no flex at all. What do you or anybody else that cares to comment think. And if I am wrong, what characteristics does a board(twin tip) need to perform in the surf?


what level of riding are you at?

if you are confident in the chop i would go a smaller board,
a 146cm (or around that) would be good, try to get a board made from about 07 onwards and look something with a bit of width (on that note has any body seen the lunacy? its one of the widest boards i have seen) generally the width in some boards will allow you to ride a smaller size, along with getting a smaller sized board it reduces the jumpy jolt feeling you experience with bigger boards. This jumpy feeling is caused when the board is riding over 2 sections of chop, at higher speeds on a flatter board this can cause you to dig the nose of the board in to the water. if you are having these problems a board with a bit of rocker is advisable and also a board with a bit of flex will help you.

bennie
bennie
ACT
1258 posts
ACT, 1258 posts
15 Jul 2009 12:47am
my question was really more about wether the board I described has the attributes required to be a good board for playing around in small waves(like what the airush hammer is designed for), or is there somthing about this board that will make it a real dog that will hold me back. I am not exactly sure what characteristics are desired for a twintip in the surf, but from what I gather the board I described might just fit the bill. I do think it might be a little narrow though. I also agree that 160cm is quite long, but plenty of hybrid type boards designed for surf are similar lengths. What do people think?
Charl dv
Charl dv
WA
2485 posts
WA, 2485 posts
15 Jul 2009 1:01am
you could tech out all you want... or you could try it and find out first hand..

it sounds like it could be a bit of fun, i had a kiteboard from like 2000 given to me by my boating teacher at school and it was fun to piss around on.
bennie
bennie
ACT
1258 posts
ACT, 1258 posts
15 Jul 2009 10:57am
yeah, i do intend to try it out, but it is always good to know that you are using the appropriate equipment, otherwise making progress might be harder than it needs to be.
getfunky
getfunky
WA
4485 posts
WA, 4485 posts
15 Jul 2009 1:21pm
Yeh Bennie - I have a 151 x 43cm LF Proof that is very low-tech.

I use it as my lightwind board but it goes awright in mushy chop/surf as it has enough taper at the tips to compensate for it's plank-ish length. It has really nice tapered and roundish (in the middle) to edged (tail ends) rails. For a big bugger it is good in the chop too, although more techy (read: exxy) boards would probably be a tad better. I dare say the LF boosts and planes better than a Hammer, but the Hammer would most likely 'hang onto' the wave face a bit better.. Horses for courses..

I think Coose makes some very good points but just give your old behemoth a fang and see how it goes.
bennie
bennie
ACT
1258 posts
ACT, 1258 posts
15 Jul 2009 6:27pm
how much difference do fins make?. That board currently has 4 x 50mm fins, but I think putting some bigger surf style fins like what most mutants have will help grip on the wave face
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