A New 12'6 class board.

> 10 years ago
Reply
Register to post, see what you've read, and subscribe to topics.
LSD
LSD
VIC
763 posts
LSD LSD
VIC, 763 posts
11 Dec 2009 11:32am
Out line only rough shaped so far.
I will probably pull the fat arse in a bit yet. I'm not that keen on that.
The aim is to promote as fine an entry for the displacement bow as possible with the wide point aft.
Tail......displacement or plainning? What do think?
width will end up around 28"

DavidJohn
DavidJohn
VIC
17570 posts
VIC, 17570 posts
11 Dec 2009 2:32pm
Looks weird.. .. I'd like to see displacement front and plainning rear.. .. and forget the nose fin on this one..

DJ
laceys lane
laceys lane
QLD
19804 posts
QLD, 19804 posts
11 Dec 2009 1:36pm
LSD said...

Out line only rough shaped so far.
I will probably pull the fat arse in a bit yet. I'm not that keen on that.
The aim is to promote as fine an entry for the displacement bow as possible with the wide point aft.
Tail......displacement or plainning? What do think?
width will end up around 28"




hi,dale had a 14' wrong profiled blank we cut down to 12'6. not a radical as yours, but similar. displacement concave nose to flat to double concave with a fair amount of tail volume. goes well- paddles fast, surfs pretty good. haven't done a d/w yet, but was catching runners in the creek with a ne wind and swell without to much trouble for a 12'6. its what i would call an all round board travis won the supsa race and he is going to race it on sunday at coffs
cheers
ps if you keep the tail shape and volume, you may need a bit more nose rocker than normal, i sure you are probbably aware of that
LSD
LSD
VIC
763 posts
LSD LSD
VIC, 763 posts
11 Dec 2009 3:58pm
The 12' 6 outline as it is was a combination of the 2 boards templates below, the 16' nose & 8' 2 tail.


mikeman
mikeman
QLD
692 posts
QLD, 692 posts
11 Dec 2009 3:05pm
The front part looks great but I'm not so sure about the back part. Let us know how she goes...
LSD
LSD
VIC
763 posts
LSD LSD
VIC, 763 posts
11 Dec 2009 4:22pm
mikeman said...

The front part looks great but I'm not so sure about the back part. Let us know how she goes...


Yeah....I agree...it looks wrong...but it's posssibly the contrast from looking at a narrow nose.
I will trim down the arse a bit yet.
Interesting to see the latest Hobie (if this is the latest)


laceys lane
laceys lane
QLD
19804 posts
QLD, 19804 posts
11 Dec 2009 4:12pm
i'm wondering what usage you have planned for the board
cheers

LSD
LSD
VIC
763 posts
LSD LSD
VIC, 763 posts
11 Dec 2009 6:06pm
laceys lane said...

i'm wondering what usage you have planned for the board
cheers




Flat/choppy ocean, Its not intended as a full on down winder, although depending on the rocker etc, it could be ok down wind in certain smaller/lighter conditions.
Tail has been re shaped

oliver
oliver
3952 posts
3952 posts
11 Dec 2009 6:56pm
Looks like the small hand on a big clock.
planesailing
planesailing
WA
380 posts
WA, 380 posts
11 Dec 2009 9:09pm
you did say CLOCK didnt you?
Cosy
Cosy
VIC
63 posts
VIC, 63 posts
12 Dec 2009 7:57pm
LSD said...

Out line only rough shaped so far.
I will probably pull the fat arse in a bit yet. I'm not that keen on that.
The aim is to promote as fine an entry for the displacement bow as possible with the wide point aft.
Tail......displacement or plainning? What do think?
width will end up around 28"




It looks great. Just put the fin in the pin end turn it into a pin tail with a rounded nose for easy entry, early planing. [}:)]
LSD
LSD
VIC
763 posts
LSD LSD
VIC, 763 posts
12 Dec 2009 10:11pm
Cosy said...

LSD said...

Out line only rough shaped so far.
I will probably pull the fat arse in a bit yet. I'm not that keen on that.
The aim is to promote as fine an entry for the displacement bow as possible with the wide point aft.
Tail......displacement or plainning? What do think?
width will end up around 28"




It looks great. Just put the fin in the pin end turn it into a pin tail with a rounded nose for easy entry, early planing. [}:)]


Knoby Rash beat me to it......



JB
JB
NSW
2232 posts
JB JB
NSW, 2232 posts
12 Dec 2009 10:45pm
Once it reaches production, it's way past beat you 2 it!

Will be riding the 7'9" tomorrow at the SPSC event. (maybe conditions permitting)

JB
LSD
LSD
VIC
763 posts
LSD LSD
VIC, 763 posts
13 Dec 2009 10:15am
DavidJohn said...

Dean.. Check out this link for all the new Starboard racing sup's.. http://www.surfingsports.com/blog.asp

DJ


Thanks for that link DJ.....very interesting....some seriously fast boards in that range & looks like they have most conditions well covered.
12'6 x 231/2" ....thats getting down in width!
........& a 14' with a center fin!...maybe they are softening up the public for nose fins on flat water boards?
Hey DJ.....why can't I put a nose fin on my 12'6"? Whats your ideas here? Asthetics?
Starboard are obviously trying to minimise yaw & maximise stability with that Interesting shape fin....max area aft & deep....my new board is having a similar shape...a little more swept back.
Well talking asthetics? What's your opinion of the pointy spa bath?

And the windage.....particularly in cross winds?


JonathanC
JonathanC
VIC
1024 posts
VIC, 1024 posts
13 Dec 2009 11:26am
Hi Dean,

As far as the "nose fin" idea on the 12'6 goes, depends on what you want to do. In open water down-wind conditions you are constantly doing small adjustments to your direction to catch swell from different directions (usually there is a wind swell and the ground swell). Even when you are on a wave you keep your eyes open for some swell coming from a slightly different direction that you can pick up to keep the glide going, with a rudder when you are not in surfing stance you simply steer into the next little trough. A nose fin would stop the ability to do that (or at least make it harder), the thing to get your head around is that in lighter wind/choppy conditions you could be making these subtle direction changes every few seconds.

Look at Jeremy Riggs and the water state, when you paddle with Jeremy he is constantly changing directions and trimming and most of the time gliding on those small faces. He is on a Foote Maliko 14 that is 25 wide






Very different in up-wind or cross wind paddling where the nose fin could be a great help, now if it could be made retractable by kicking a lever or pulling a cord I can see some huge benefit. It would only take a second to bend down to cleat a line in the same way the kayak rudders retract or have a mini windsurfing type pivoting centreboard case in the nose with a lever running back that you could push or pull with your foot. Actually that's a pretty exciting concept to try out!

Just some more input to digest in the search for the perfect craft....


Jack Mack
Jack Mack
NSW
343 posts
NSW, 343 posts
13 Dec 2009 6:34pm
That Starboard is getting into the realm of
standup kayaking.
Jack
DavidJohn
DavidJohn
VIC
17570 posts
VIC, 17570 posts
13 Dec 2009 10:57pm

Hey DJ.....why can't I put a nose fin on my 12'6"? Whats your ideas here? Asthetics?
Starboard are obviously trying to minimise yaw & maximise stability with that Interesting shape fin....max area aft & deep....my new board is having a similar shape...a little more swept back.
Well talking asthetics? What's your opinion of the pointy spa bath?


Dean.. Check out this link showing the new displacement hull F-14.. It may give you even more ideas.

www.standuppaddlesurf.net/nggallery/post/s-i-c-fw-14-displacement-hull-stand-up-paddle-sup-race-board/slideshow/

My thoughts about no nose fin is not about aesthetics.. I think the nose fin looks great.. works great.. and is very cool.

I'm thinking a board needs to be a planning hull or a displacement hull and mixing the two will be very tricky.. but it may also work.. I'm no expert on all this.

I like the idea of a displacement nose for non planning conditions and to help raise the nose when pearling.. and I like the idea of planning rear section so you can get more speed and surf ability.. but once surfing on the tail if that non planing nose touches down it might bog down more than a planning nose like a concave nose.

I'm thinking if you want to keep the nose area out of the water when planning you don't want a nose fin catching and bringing it back down.. and a nose fin will also reduce the surf ability (if it touches).. and also reduce the turning ability when flat water racing around a course.

It will be interesting to see what you come up with.

DJ

Bnaccas
Bnaccas
VIC
1722 posts
VIC, 1722 posts
14 Dec 2009 12:43am
I rekon you are on the right track Dean. I would go only slight displacement nose but
mainly full planning hull as most events here in Vicco will have a class that is 12'6" flat
bottom. Otherwise it will be up against Open class boards 14', 16' or longer.

Jonathan's SB 12'6" Pin is almost perfect but is a bit in between bith types of board.
Slight displacement but not enough rocker to handle strong downwinders.
BWDave
BWDave
VIC
239 posts
VIC, 239 posts
14 Dec 2009 7:00pm
So many things to take into account when shaping. I guess like all boards for all sports it will have to be a compromise unless you want a 10 board quiver( This may be Jonathans aim)

Brendan, How do we determine what is flat bottom in a 12'6 class?
akhawk
akhawk
WA
1085 posts
WA, 1085 posts
14 Dec 2009 4:49pm
Would someone mind explaining about planing hulls etc. I understand what is meant by a displacement nose, but am not sure what is meant by "planing hull"
Cheers.
JonathanC
JonathanC
VIC
1024 posts
VIC, 1024 posts
14 Dec 2009 7:51pm
Sprung

I'm not sure about the flat bottom 12'6 thing either - figured Brendan just made it up so I couldn't enter The Pin in the RPS event.......

Don't think I've heard of it before as a class.

Funny thing with the rocker on The Pin, I'm actually getting used to it for down-winders. It doesn't feel as "right" straight away as the 14' Glide did to me in strong wind but it seems to be really good when the wind is a little lighter, maybe because the displacement front doesn't plow like the flat bottom boards do so it's a little easier to coax onto the smaller waves. Incredibly versatile board, swapped back onto my old regular 12'6 Starboard mid down-winder the other day and couldn't believe how much slower it felt in those less than 20 knot conditions we were paddling in.

So... go the quiver!
JonathanC
JonathanC
VIC
1024 posts
VIC, 1024 posts
14 Dec 2009 7:58pm
Planing hull is really just your regular flat or concave surfing type hull, actually designed to get some lift and plane when it gets to a certain speed - usually only on a wave.


The displacement hulls don't really plane so there isn't the distinct transition between planing and not planing like there is on a surfboard. Saying that though they do catch waves and increase their speed so it all gets a bit blurry at that point for me!

Hopefully someone understands/can explain it better than I can!
akhawk
akhawk
WA
1085 posts
WA, 1085 posts
14 Dec 2009 4:59pm
Cheers Johnathan,
I've had the pin out a few times but not in strong wind or chop. Hopefully I can get some practice in those conditions before next month.
Look forward to meeting you in January.
LSD
LSD
VIC
763 posts
LSD LSD
VIC, 763 posts
14 Dec 2009 8:21pm
akhawk said...

Would someone mind explaining about planing hulls etc. I understand what is meant by a displacement nose, but am not sure what is meant by "planing hull"
Cheers.


In regards to ANY board being powered by a paddle or hand only, they are all displacement hull regardless of bottom shape....they are submerged to some degree & won't rise on top of the water (plaining) until appropriate speed is reached, a bit faster than can be paddled....about 18/20ks?
A Planing hull is simply a flatish bottom & cuved up nose like a surfboard.
Most if not all SUB displacement hulls are more a plaining hull, they will rise up & plane when surfing a wave, they have a flatish midsection, not like a surf ski etc.
The displacement name is given to the nose that parts the water rather than trying to lift over it, less energy is required to move the canoe or displacement shape bow through the water.
This 16' is the most rounded bottom I have shaped, 24" wide it planes easily

2 planing hulls about to plane with very minimal wave power

tha dogman
tha dogman
NSW
2912 posts
NSW, 2912 posts
14 Dec 2009 11:51pm
wow those starboard shapes are nuts

cant wait to check one out in the flesh

anyone know much about them????????
Bnaccas
Bnaccas
VIC
1722 posts
VIC, 1722 posts
14 Dec 2009 11:54pm
Would it be safe to say that SUB's like yours above Dean are "Semi" displacement hulls if there is such a term.

In motor boats/speed boats/fishing boats the flatter hulls are faster is they create lift and get the hull right
out of the water but are very hard to control in choppy water. Fishing boats generally have a more "V" shape
to cut through the water/chop better to provide a safer more controlled ride while slowing the hull down.
Almost opposite to SUP's in some ways but very similar in others.
Bnaccas
Bnaccas
VIC
1722 posts
VIC, 1722 posts
15 Dec 2009 12:05am
BWDave said...
Brendan, How do we determine what is flat bottom in a 12'6 class?


Not my idea, I just saw other people doing it in events, I think the 12' flat bottom was the rules for
the last Sydney event (at Manly maybe?).

I really like the idea so SUP doesn't become an equipment race like sailboarding did back in the 90's.
I was a part of it and to me this was one of the reasons sailboard slalomand course races became
non existent.

As far as determining a flat bottom, I think the board would need to have a flat bottom no less than
2ft back from the nose and continue through to the tail. BUT to be honest I have no idea, just a guess!
LSD
LSD
VIC
763 posts
LSD LSD
VIC, 763 posts
16 Dec 2009 9:01pm
Glassed & filled, weight about 6.5kg....what colour will make it go faster?
Just for you DJ......No nose fin.....yet...got a better idea...maybe




BWDave
BWDave
VIC
239 posts
VIC, 239 posts
19 Dec 2009 10:36am
Instead of a nose fin perhaps a set of FCS plugs forward of middle to help with straight line paddling in certain conditions and can be removed when not required.

I like these boards from Tahoe california

tahoesup.com/

They have the centre fin and it works great
DavidJohn
DavidJohn
VIC
17570 posts
VIC, 17570 posts
19 Dec 2009 10:46am
Thanks Dean.. I'll come down soon and check it out..

IMO.. Don't go putting a mid fin on it.

I think Starboard do it for the wallies that can't balance on it or maybe want to put a sail on it and go up wind working like a centerboard.

I reckon a mid fin will make it yaw more and make the board want to pivot around that point.

DJ

OG SUP
OG SUP
VIC
3516 posts
VIC, 3516 posts
19 Dec 2009 11:49am
Hey Dean,

That board is more like a Stand Up Canoe! Makes me wonder where it will all end up!

Short Board Sup
Longboard Sup
Flat Water Sup
Down Wind Sup
Ocean Going Sup
Stand Up Canoe
Side Walk Sup
Rip Stick Sup
Thats about a $15 - 20k Quiver how many boards does a Supper need lol

Phill




LSD said...

DavidJohn said...

Dean.. Check out this link for all the new Starboard racing sup's.. http://www.surfingsports.com/blog.asp

DJ


Thanks for that link DJ.....very interesting....some seriously fast boards in that range & looks like they have most conditions well covered.
12'6 x 231/2" ....thats getting down in width!
........& a 14' with a center fin!...maybe they are softening up the public for nose fins on flat water boards?
Hey DJ.....why can't I put a nose fin on my 12'6"? Whats your ideas here? Asthetics?
Starboard are obviously trying to minimise yaw & maximise stability with that Interesting shape fin....max area aft & deep....my new board is having a similar shape...a little more swept back.
Well talking asthetics? What's your opinion of the pointy spa bath?

And the windage.....particularly in cross winds?





Please Register, or first...
Topics Subscribe Reply