Author Topic: Outline of a sprint board  (Read 1574 times)

burchas

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Outline of a sprint board
« on: December 24, 2018, 07:42:06 AM »
Revisiting the ISA Championship was very interesting to see the boards taking 1st on the sprint races.

Especially on the men side, against recent conventional wisdom where sprint shape is a pin nose/wide tail,
the board that seem to give extra gear to its rider was a wide nose/pulled-in tail with least amount of waterline.

Just makes me wonder how compromised are these shapes from main stream manufacturers.

On the women side, though a main stream brand, the one board that doesn't follow conventional wisdom (Maliko)
with pulled-out nose / pulled-in tail and I'm pretty sure the widest board on the field.
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Luc Benac

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Re: Outline of a sprint board
« Reply #1 on: December 24, 2018, 09:04:55 AM »
I would not think that the Maliko that was used would be the production construction and weight. too heavy to accelerate quickly I would think.
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burchas

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Re: Outline of a sprint board
« Reply #2 on: December 24, 2018, 09:59:38 AM »
I can't say for sure, but her board did have all the markings of a production board, including the usual production measurements on the left side.
Regardless, this is still a board that doesn't follow the conventional sprint shape.
- M15 15x27x4.5 https://bit.ly/2WmuEpt
- Ocean Ripple 16x25 @ 251L
- SIC Standamaran (S-16) - https://goo.gl/7myGAo
- Wide Tail 10x31x4 @ 149L
- SIC FX 12.6 2X - https://goo.gl/GOkSHT
- Red 2017 Elite 14x25
- ZRE Lightning 75
- Kenalu Mana 82
- Kialoa Hulu 87
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peterp

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Re: Outline of a sprint board
« Reply #3 on: December 24, 2018, 10:41:56 AM »
The Maliko that Tarryn used was production - the Maliko shape is great for sprinting - it's a planing hull design which lifts and goes on plane for short distances with a strong paddler. Hence the great success of Casper and others on that board in shorter sprint disciplines - it's usually the first board at first buoy. But distance racing is another story.

blueplanetsurf

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Re: Outline of a sprint board
« Reply #4 on: December 24, 2018, 12:46:23 PM »
Makes sense to me, the best way to go faster than the hull speed of a 14' board is to create enough dynamic lift to slide on top of the water and reduce the wetted surface area.  This can only be maintained for a short time by very strong paddlers but I guess it works for sprints.
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Luc Benac

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Re: Outline of a sprint board
« Reply #5 on: December 24, 2018, 12:49:49 PM »
Well mine as become my go-to board for almost everything and i have to say that I find it a fast board for my limited aptitudes. That said I am never on flat water no wind no current so that might be different there. Best CAD 2,200 I have spent.
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Wave#Nalu 11'4" x 30" 180L
Touring#Ace-GT 17'4" x 27" 313L
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PonoBill

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Re: Outline of a sprint board
« Reply #6 on: December 24, 2018, 01:48:23 PM »
Straight rails make a huge difference in drag, but are fairly horrid for stability and turning.
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burchas

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Re: Outline of a sprint board
« Reply #7 on: December 24, 2018, 03:09:34 PM »
Makes me think a good downwind board with some minor tweaks might be a better
sprint board than the Starboard Sprint (which begs a reasoning for the moniker).
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- Ocean Ripple 16x25 @ 251L
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PonoBill

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Re: Outline of a sprint board
« Reply #8 on: December 24, 2018, 03:32:28 PM »
You'd have to ditch the rocker--or at least most of it. It cracks me up that people think a 17' V1 SIC would be an advantage in flat water paddling. 17 feet of pain.
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gzasinets

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Re: Outline of a sprint board
« Reply #9 on: December 24, 2018, 03:45:25 PM »
You'd have to ditch the rocker--or at least most of it. It cracks me up that people think a 17' V1 SIC would be an advantage in flat water paddling. 17 feet of pain.

I so so agree.
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burchas

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Re: Outline of a sprint board
« Reply #10 on: December 24, 2018, 04:01:06 PM »
You'd have to ditch the rocker--or at least most of it. It cracks me up that people think a 17' V1 SIC would be an advantage in flat water paddling. 17 feet of pain.

I was more thinking along the line of the 14 range rather, say Bayonet 14 for example, Very fast, not so much rocker early to plane. A good template to start with.
« Last Edit: December 24, 2018, 04:52:31 PM by burchas »
- M15 15x27x4.5 https://bit.ly/2WmuEpt
- Ocean Ripple 16x25 @ 251L
- SIC Standamaran (S-16) - https://goo.gl/7myGAo
- Wide Tail 10x31x4 @ 149L
- SIC FX 12.6 2X - https://goo.gl/GOkSHT
- Red 2017 Elite 14x25
- ZRE Lightning 75
- Kenalu Mana 82
- Kialoa Hulu 87
- QuickBlade Trifecta 86

Area 10

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Re: Outline of a sprint board
« Reply #11 on: December 24, 2018, 07:29:50 PM »
The SIC Bullet 14v1 will go plenty fast over very short distances despite lots of rocker if you have the power. It was actually sprinting that board that first made me realise the potential of planing-type boards for short sprints. But I do mean *short*. If we raced over even maybe 100m more than we usually do, the designs of the most effective boards would probably be quite different.

The Starboard Sprint might be great for a “sprint” that is 1 mile long. Not so great for 1-200m or less.