Rasta on the torus channel

Dave Rastovich
Design Outline

img_8391.jpgOver the last decade Dave Rastovich and Gary McNeill have forged a tight surfer/shaper relationship. For many years Gary was shaping under the Formula Energy label but he's since branched off and created his own label, Gary McNeill Concepts.

With Rasta as test pilot, Gary specialises in high performance craft with a Delphic bent, he uses lesser known materials, employs different techniques, and seeks inspiration from obscure places.

Their latest creation is the torus channel. Here Rasta expands on its origin and how a board with one central channel feels.

*****

Around 2010 Gary came to me with his eyes lit up and a wild smile saying he had a dream idea for a new bottom contour on the high performance shapes he was already making. The contour revolved around the torus shape that he had recently seen in the new age film 'Thrive' that was circulating at the time. In his dream he saw the torus shape being applied to a board in the form of a channel down the centre of the bottom surface.

The torus is a shape found in nearly every aspect of seen and unseen phenomena. It's seen as one model of the entire universe, in which the centre of the torus may be found black holes and white holes. We also see it used in electrical transformers that we humans build, in which using coiled wire in the torus shape produces the cleanest and most reliable power. In metaphysics we see the torus shape around the human body in the form of subtle energy patterns, for instance, energy moving simultaneously up and down the centre of our bodies goes out and in through the tops of our heads and the bottom of our feet. It's widely experienced and treasured in chinese medicine.

2928373582_332bb877b5_b.jpgThe torus is a profound shape, and Gary applied it to a board by placing the wider points of the central channel at the nose and tail of the board which makes it easy to visualise water being welcomed into the channel then squeezed through the narrower centre point before being shot out the wider end part of the channel at the tail kind of like a venturi effect. If you were to continue drawing the lines of the channel off into the spaces beyond the board they would eventually loop back into themselves to make the toroidal shape.

This is all pretty wordy and kinda trippy for some, but I reckon it is a fun thing to check out and to realise that the design has some deeper roots, and it also mirrors a very common and profound shape found in the universe.

But how does it feel?

img_8385.jpgBasically, by having the edge of the central channel under the front foot there is a whole other level of engagement that the front foot starts to experience. So instead of only having the edges in your tail and your fins to push off to gain traction to the wave and leverage to gain speed, you also now have that under the front foot as well. Specifically, when you use your front foot more - like in tube riding or in deep turns where your whole rail is buried - the channel engages in a way that can make the board hold in at super high speeds.

I have ridden four different 5'9 twin fins with the torus channel, from 8 foot point surf in Morocco, 8 foot G'Land, 8 foot point surf at home, and draining tunnels in Indo - the boards that have the torus channel hold in where the same shapes would blow out at high speed.

By having that edge go right up to the shoulders in the board it also means we need less fins to keep the board holding in. Less fin = less drag and less drag = more speed...

...and more speed= more fun! // DAVE RASTOVICH
swss2465.jpg
(Photo Swilly)

Comments

le-renard's picture
le-renard's picture
le-renard commented Thursday, 24 Sep 2015 at 12:48pm

I remember having a twinny fishy sorta thing a few years back that had a full length venturi channel. Been around for a good while before 2010 i'm sure, tho not under the 'torus' moniker. Ok if you just wanna hold a line i suppose... Same thing with all channels, they assume the water flow is parallel with the stringer, this one even more so, for the full length of the board. But if it's working for ya all good.

p-funk's picture
p-funk's picture
p-funk commented Thursday, 24 Sep 2015 at 3:37pm

Isn't the idea of channels exactly what you are suggesting - that water doesn't flow parallel to the channels? I thought the idea of channels was to 'grab' the water flowing across the board and direct it out the back, improving drive/speed?

le-renard's picture
le-renard's picture
le-renard commented Thursday, 24 Sep 2015 at 4:53pm

Well that's the idea...if flow was nice and neat and the angle of the board sorta constant. More traditional tail-end channels work by attempting to condition/optimise the flow to the fins, to debatable levels of success. This design is suggesting that the flow can be organised for the whole length of the board. When it isn't (which is almost always) it's creating drag, which is kinda the reverse intention. I mean this is all just my opinion! Who knows. Ride one, see how it goes. Didn't do it for me. A nice and simple bottom, let the fins do what they're there for, that's what i reckon. Which is what most boards have. I dig trying new stuff and new designs tho.

50young's picture
50young's picture
50young commented Thursday, 24 Sep 2015 at 1:18pm

Tomo is doing the same type of thing with the EVO, Big single concave with a channel through the middle into 4 concaves/channels out the back

penmister's picture
penmister's picture
penmister commented Thursday, 24 Sep 2015 at 2:32pm

Rasta ripping....

yocal's picture
yocal's picture
yocal commented Thursday, 24 Sep 2015 at 3:31pm

looks like he's riding a food platter on that last indo left. How tiny is that stick!

Go deeper Taylor, go deeper!

boxright's picture
boxright's picture
boxright commented Thursday, 24 Sep 2015 at 3:56pm

It's a funny/ironic contrast reading this and the comments on the x-core article. Rasta mentions unseen phenomena, metaphysics, and indulges himself in the FEELING the boards generates.

I'll take that over scientific theories any day.

wingnut2443's picture
wingnut2443's picture
wingnut2443 commented Friday, 25 Sep 2015 at 6:32am

Hahahaaa ... sorry to bust that bubble, but what he is alluding too is ALL science. Gary has been into the whole 'resonance project' thing for a while now. I think there was an article on here about the graphics he uses that links to it all too.

If you want to get really deep into it, or maybe something to amuse ya when you next having a session, have a look at this stuff: http://resonance.is/ ...

Surfboard Design and Construction Kook. Evidence is here: www.ffwsurfboards.com.au
*FFW - Few Fun Waves ... that's what it's all about for me.

indo-dreaming's picture
indo-dreaming's picture
indo-dreaming commented Thursday, 24 Sep 2015 at 4:30pm

"Less fin = less drag and less drag = more speed…"

Hmmm thats debatable, all depends on how many fins and where the fin is placed and the fin shape, foil, can't etc.

Then there is speed and drive, similar but different.

I think i have a crush on Debra Soh.

carpetman's picture
carpetman's picture
carpetman commented Thursday, 24 Sep 2015 at 4:51pm

Yeah, agree. Less fin = less drive.

Also, less fin = less fin drag... but should be plenty of drag to make up for it through that channel.

caml's picture
caml's picture
caml commented Thursday, 24 Sep 2015 at 8:24pm

Finless is faster

wingnut2443's picture
wingnut2443's picture
wingnut2443 commented Friday, 25 Sep 2015 at 6:35am

Agreed. Everyone should try to ride their current board without fins and see just how much faster. Serious.

Sure, you'll struggle to control it, but the instant feeling of flow and with that speed is all due to less drag. With the only variable the removal of fins, well, you sort of prove it to yourself.

Serious. Everyone should try it ... maybe not in a crowded lineup though ;)

Surfboard Design and Construction Kook. Evidence is here: www.ffwsurfboards.com.au
*FFW - Few Fun Waves ... that's what it's all about for me.

kami's picture
kami's picture
kami commented Wednesday, 30 Sep 2015 at 3:48pm

wingnut2443 wrote: Agreed. Everyone should try to ride their current board without fins and see just how much faster. Serious.

Sure, you'll struggle to control it, but the instant feeling of flow and with that speed is all due to less drag. With the only variable the removal of fins, well, you sort of prove it to yourself.

Serious. Everyone should try it ... maybe not in a crowded lineup though ;)

To whom already try channels bottom would know that they got stiffer and drive faster and faster you go...this is why AB settled smaller fins than other conventional shapers did because channels bottom dont need some much fins. Channels bottom can be a finless solution.

Wave's millionnaire washed on sand beach and crushed board in my garage. LOL

kami's picture
kami's picture
kami commented Wednesday, 30 Sep 2015 at 3:48pm

wingnut2443 wrote: Agreed. Everyone should try to ride their current board without fins and see just how much faster. Serious.

Sure, you'll struggle to control it, but the instant feeling of flow and with that speed is all due to less drag. With the only variable the removal of fins, well, you sort of prove it to yourself.

Serious. Everyone should try it ... maybe not in a crowded lineup though ;)

To whom already try channels bottom would know that they got stiffer and drive faster and faster you go...this is why AB settled smaller fins than other conventional shapers did because channels bottom dont need some much fins. Channels bottom can be a finless solution.

Wave's millionnaire washed on sand beach and crushed board in my garage. LOL

toddy's picture
toddy's picture
toddy commented Thursday, 24 Sep 2015 at 8:37pm

Times like these we need AB

davetherave's picture
davetherave's picture
davetherave commented Friday, 25 Sep 2015 at 7:35am

check out a guy called stuart wissing if this interests u, wiz makes some truly remarkable boards and is one very smart interesting guy- maybe stu here could do article on him.

davetherave

50young's picture
50young's picture
50young commented Friday, 25 Sep 2015 at 7:48am

Geez Dave those are some channels!!! luv to see an article Stu he (Stuart Wissing) looks like a character too

udo's picture
udo's picture
udo commented Friday, 25 Sep 2015 at 7:58am

Dave, that's some wild shit going on there, those channels whoa......those sanders out there grizzling about sanding channel bottoms.....pft ..sand one of Wissings .
Brilliant timber sculpting to.

calmbutnot's picture
calmbutnot's picture
calmbutnot commented Friday, 25 Sep 2015 at 9:02am

doesn't water flow on a 30 to 45 deg across the board ?
so it takes longer to get across the bottom, because of the step ?
still like to try it out though

memlasurf's picture
memlasurf's picture
memlasurf commented Friday, 25 Sep 2015 at 4:33pm

Rasta could ride an ironing board. I agree with Le Renard and the KISS principle. All these ideas were tried before Rasta was born justing getting regurgitated and tuned. I remember surfing something similar in a twin fin around 1981. Fast and loose due to the twin fin arrangement. He talks about surfing some great quality waves in the testing of these boards whilst I doing the hard yards on the beachies: Good but not that good and need to be adaptable. All good fun though.

davetherave's picture
davetherave's picture
davetherave commented Friday, 25 Sep 2015 at 11:40pm

yeah udo and 50young, i think wiz-wiss would be a good story with some good yarns if he wanted to share-hows those wicked bottom contours he has going???

davetherave

wellymon's picture
wellymon's picture
wellymon commented Friday, 25 Sep 2015 at 11:57pm

Every comment on here is intuitive, cheers.

But have any of you above ridden Gary's boards?

I do;)

Our brains are too small at the moment to comprehend the reality of what's happening in our forests . We're only just waking up so to speak . The big problem is we think we know everything, we are specks of dust on a timeline and we know nothing .

simba's picture
simba's picture
simba commented Saturday, 26 Sep 2015 at 6:57am

Hi Welly,so which board have you got/ridden and how does it feel?

simba

brevil's picture
brevil's picture
brevil commented Saturday, 26 Sep 2015 at 7:25am

wellymon wrote: Every comment on here is intuitive, cheers.

But have any of you above ridden Gary's boards?

I do;)

recently bought 2nd hand 5'6" nemo model . Really like the speed coming out of cutbacks and probably will order custom soon. They just feel like they go well

wellymon's picture
wellymon's picture
wellymon commented Saturday, 26 Sep 2015 at 2:58pm

A 6' 3" x 20" 1/2" x 3" Rounded pin, carbon rails and no stringer.
Wanted a step up to surf solid 4- 8ft waves and have some paddle power hence 3" thick but doesn't look or feel 3" thick, really rolled off from the centre of the board, have only surfed it a couple of times 4-6ft at TOS. Felt really good paddling into and solid on the drops. Need some more time on it, I'm looking forward to get on a good 6-8ft point day.
Got to work out various fins tho Quad and Thruster!

Like I do;)

Our brains are too small at the moment to comprehend the reality of what's happening in our forests . We're only just waking up so to speak . The big problem is we think we know everything, we are specks of dust on a timeline and we know nothing .

simba's picture
simba's picture
simba commented Saturday, 26 Sep 2015 at 4:06pm

So is that an Entity?

simba

wellymon's picture
wellymon's picture
wellymon commented Sunday, 27 Sep 2015 at 1:27pm

Yeah Simba;)

Our brains are too small at the moment to comprehend the reality of what's happening in our forests . We're only just waking up so to speak . The big problem is we think we know everything, we are specks of dust on a timeline and we know nothing .

norchock's picture
norchock's picture
norchock commented Thursday, 1 Oct 2015 at 7:56pm

wellymon wrote: A 6' 3" x 20" 1/2" x 3" Rounded pin, carbon rails and no stringer.
Wanted a step up to surf solid 4- 8ft waves and have some paddle power hence 3" thick but doesn't look or feel 3" thick, really rolled off from the centre of the board, have only surfed it a couple of times 4-6ft at TOS. Felt really good paddling into and solid on the drops. Need some more time on it, I'm looking forward to get on a good 6-8ft point day.
Got to work out various fins tho Quad and Thruster!

Like I do;)


8 foot where? Like to see it on that... what I call that size anyway...keep ya little kiddie size board photos in ya album weeman
goofyfoot's picture
goofyfoot's picture
goofyfoot commented Saturday, 26 Sep 2015 at 4:06pm

Nice Welly

brevil's picture
brevil's picture
brevil commented Sunday, 27 Sep 2015 at 11:20am

5'6" speed machine

wellymon's picture
wellymon's picture
wellymon commented Sunday, 27 Sep 2015 at 1:29pm

Funky looking thing there Brevil.
I bet it's just as hot as a toaster (Brevil)
A little small for moi;)

Our brains are too small at the moment to comprehend the reality of what's happening in our forests . We're only just waking up so to speak . The big problem is we think we know everything, we are specks of dust on a timeline and we know nothing .

freebordnig's picture
freebordnig's picture
freebordnig commented Sunday, 27 Sep 2015 at 10:11pm

USC Alien 6'6" x 21.5 x 2 7/8

davetherave's picture
davetherave's picture
davetherave commented Monday, 28 Sep 2015 at 4:19am

heys guys, what does a 5 finner surf like- a loose sinle fin? amore stiffer thruster or more stable quad?

davetherave

caml's picture
caml's picture
caml commented Wednesday, 30 Sep 2015 at 11:57pm

A bit like a truster daveo

penmister's picture
penmister's picture
penmister commented Thursday, 1 Oct 2015 at 8:16pm

Wellymonz...tos are you at south straddie? On the hendrix?

penmister's picture
penmister's picture
penmister commented Thursday, 1 Oct 2015 at 8:46pm

Poo shoot the hendrix. ..

udo's picture
udo's picture
udo commented Saturday, 27 Jan 2018 at 8:37pm

Quivered - Vimeo