Volume V Stability.

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Drewsta.
Drewsta.
QLD
185 posts
QLD, 185 posts
19 Jan 2009 10:30am
Does anyone find a higher volume board is less stable in the surf than something that sits lower in the water? Makes sense to me that the higher the board floats out of the water the tippier it will be. Maybe thats behind the push towards wider but shorter surfing sups? (starboard whopper etc)
WINDY MILLER
WINDY MILLER
WA
3183 posts
WA, 3183 posts
19 Jan 2009 10:16am
i think its more to do with the width of the board, rather than the volume.


i m o ...more volume will also help towards a stable platform, but a bit of extra width, even 1 inch makes a lot of difference.
Gorgo
Gorgo
VIC
5126 posts
VIC, 5126 posts
19 Jan 2009 12:20pm
I find some Naish boards quite fat and a tad more tippy than others of a similar size. I am guessing the higher centre of gravity is the cause.

I have not yet tried the smaller boards from other manufacturers to prove the theory.

I have read some designers claiming that they make decks convex to lower the cog to give greater stability.
Drewsta.
Drewsta.
QLD
185 posts
QLD, 185 posts
19 Jan 2009 12:24pm
Yeah same here Gorgo. My naish 11'6 is impossible to fall off in glassy conditions but in chop it bobs and rolls like a cork. It's so bouyant that the water hardly comes over the deck (and i'm 105 kegs!) I know from my clubbie days, the lower the seat in the ski the more stable. So in theory the same should apply to a sup, Lower the c.o.g and increase stability. So, i think i will be moving to some thing with less volume(230l seems alot) maybe something around 180l and mostly surf use.
Bring on the Oxbow and PSH demo day at Currumbin on the 30th!!
Tux
Tux
VIC
3829 posts
Tux Tux
VIC, 3829 posts
19 Jan 2009 2:07pm
Bottom contours of the board will have a fair say in its stability to much concave or convex will effect the boards handle....rocker as well
SF
SF
NSW
161 posts
SF SF
NSW, 161 posts
19 Jan 2009 2:45pm
Drewsta, I think you are spot on with your assessment on the volume. I am convinced it is possible to build a board of about 180 litres which is at least as stable as the 11'6 Naish and surfs much better. I am hopefull either the 10'6 or 11' PSH will do this.

Steve
Drewsta.
Drewsta.
QLD
185 posts
QLD, 185 posts
19 Jan 2009 2:08pm
Hey Steve. same, i am not sure more volume equals a more stable ride. I think width plays a big part in it too.I cant wait to try out the PSH 10'6 wide and 9'6 wide. Should be good performance boards for guys in 100kg+ range.
Piros
Piros
QLD
7303 posts
QLD, 7303 posts
19 Jan 2009 2:30pm
A fuller nose and tail will also help in stability so a Sup with a round nose and squash tail will be much more stable than a pin pin design.The psh 9-2AA is a great example of this.
rodriguez
rodriguez
VIC
883 posts
VIC, 883 posts
20 Jan 2009 6:57pm
It's really important ride before you buy.I have a10.6 PSH i ring the bell at 87kg and its really stable.Turns and catches waves beautifully,i think its the overall marriage of rocker,rail & bottom curves that makes PSH great boards.Most of the thickness is under your feet with psh's ie 9.6 wide is 4 5/8 & the 10.6 wide is 4 3/4,the front and tail of the boards have reduced volume making them very responsive, just my opinion.
Drewsta.
Drewsta.
QLD
185 posts
QLD, 185 posts
20 Jan 2009 8:22pm
Hey Rodriguez. Is your PSH 10'6 a wide? I'm thinking of dropping from a Naish 11'6 to a PSH 10'6 AA wide but i am 20 kegs heavier than you. What did you ride before the 10'6? Gunna demo one at the OxbowPSH demo day on the Gold coast.
rodriguez
rodriguez
VIC
883 posts
VIC, 883 posts
21 Jan 2009 12:12am
Drewsta,rode a 11.0 oxbow previously, my 10.6 is an allrounder,sounds like the wide could be the go for you.Give both a try is the best bet.
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