Author Topic: Low Volume Longboard SUP (dreaming one up)  (Read 23360 times)

RATbeachrider

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Re: Low Volume Longboard SUP (dreaming one up)
« Reply #15 on: September 27, 2016, 08:54:39 PM »
Dave Daum of King's Paddlesports is working a "hybrid" longboard ... wide enough to paddle surf but not too wide for proning.

Bean

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Re: Low Volume Longboard SUP (dreaming one up)
« Reply #16 on: September 28, 2016, 02:52:57 AM »
Do you want a noserider or a high performance longboard?

Something in between (I think). I think I'm leaning towards something with a bit of a performance feel that has some glide and room to move around a bit on the deck. I do like it when boards feel a bit agile, but I won't be hitting the lip or anything....bottom turn, trim, some fun little turns maybe. Oh don't get me wrong, if the conditions line up, I'll try to get up for a cheater five, but I don't have big hopes.

We mainly surf beach breaks so it'll be rare that I get this out on a nice running point.

The CAD drawing is definitely a hp longboard shape.  To get a noserider out of the blank used in the CAD, you would actually reverse the rocker.
« Last Edit: September 28, 2016, 02:57:16 AM by Bean »

surfafrica

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Re: Low Volume Longboard SUP (dreaming one up)
« Reply #17 on: September 28, 2016, 09:32:03 AM »
Are you doing a flat bottom (HPLB) or more hull-ish like a nose rider?

From the designer's mouth: "smooth and mild vee or vee inside concave at the tail with a minor concave in the middle. Small squash tail."
50 years old, 5'7", 145 lbs, intermediate
Infinity RNB: 7'6 x 28, 95 L https://goo.gl/SqlWR4
Kronos LB: 8'10 x 26.5, 84 L https://goo.gl/4iQdps
Kronos Nano: 7'4 x 26, 81 L https://goo.gl/kAM8W6

SUP Sports ®

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Re: Low Volume Longboard SUP (dreaming one up)
« Reply #18 on: September 28, 2016, 09:39:14 AM »
I'm thinking 8'10 x 26, 88 L.

How thick in inches will the sup have to be in order for it to have a volume of 88 liters?

Aloha Night Wing,
FYI, I've built several Hammer Surf/SUP X-Over boards scaled down from the 8'11" Hammer SUP that you are riding...which as you are aware, we thinned out for you from stock sizing...

surfafrica's board will be much thinner than the 3.75" that he suggested...from my CAD shaping calcs it will probably be closer to 3"...

I'm riding a 7'11" x 25" x 3.5" Hammer "crowd pleaser" secret weapon that nets out at 86.5 liters...
We built one for a guy in Florida at 8' x 26" x 3.5" that netted out at 90 liters...

This thread with pics of these boards was from 2014...

http://www.standupzone.com/forum/index.php/topic,25931.0.html

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surfcowboy

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Re: Low Volume Longboard SUP (dreaming one up)
« Reply #19 on: September 28, 2016, 06:56:31 PM »
Thanks guys, I looked on a bigger screen (ok, I put on my glasses) and got a better look at the bottom, def HP.

I'm thinking that my 50/50 hull bottom won't really work for standing on for any real length of time. The bottom reminds me of a Walden, which are super fun boards.

Love the Kronos Guy's stuff glad you found someone to work with and try some stuff that the big brands aren't doing. But as I say this, I'm thinking of the fact that after all the threads and all the time we are here talking about making a board pretty much like Laird and Dave Kalama rode on day one of SUP, a tandem longboard. Infinity is stoked!!!!!

Bean

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Re: Low Volume Longboard SUP (dreaming one up)
« Reply #20 on: September 28, 2016, 07:53:41 PM »
Yes, the technology didn't need to change (for long boards) we just needed our skills to catch up.

andygere

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surfafrica

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Re: Low Volume Longboard SUP (dreaming one up)
« Reply #22 on: September 29, 2016, 10:25:14 AM »
surfafrica's board will be much thinner than the 3.75" that he suggested...from my CAD shaping calcs it will probably be closer to 3"...

Yep, WD is right.  I talked with Kyle @ Kronos.  Looks like it'll be about 3.2" thick.  The current design is sitting at: 8'10 x 26.5 x 3.2, 88 L.
50 years old, 5'7", 145 lbs, intermediate
Infinity RNB: 7'6 x 28, 95 L https://goo.gl/SqlWR4
Kronos LB: 8'10 x 26.5, 84 L https://goo.gl/4iQdps
Kronos Nano: 7'4 x 26, 81 L https://goo.gl/kAM8W6

Billekrub

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Re: Low Volume Longboard SUP (dreaming one up)
« Reply #23 on: October 07, 2016, 09:29:42 PM »
Do you want a noserider or a high performance longboard?

Implies they are mutually exclusive.  It seems from this topic that high performance excludes any board over 27 inches wide?  However, your Surf is wider and you regard it well.  Can you explain again why this is so?

linter

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Re: Low Volume Longboard SUP (dreaming one up)
« Reply #24 on: October 08, 2016, 01:37:55 AM »


Keep us posted on the width. I'm personally worried that to get the round 50/50 rails I want that 26" will be too tippy.

   are 50/50 rails supposed to be tippy?  my JL BnB has true 50/50 rails from stem to stern and it's the most forgiving board I've had.  otoh, I had an L41 longboard SUP with hard turned down step rails and I could not stand on that for more than a few seconds, more or less -- and it was supposed to be super stable.  i dunno.  could just be me.
   hope to see you at San O this winter .... assuming I'm allowed back in!

Bean

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Re: Low Volume Longboard SUP (dreaming one up)
« Reply #25 on: October 08, 2016, 12:40:02 PM »
Linter, I think the JL B&B get's it's stability from the parallel rails (full nose and tail) and flat rocker.

supuk

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Re: Low Volume Longboard SUP (dreaming one up)
« Reply #26 on: October 08, 2016, 12:52:52 PM »
outline and width will be the largest factor in surf board stability, the more rocker generally the more stable you will be as you efectivly  lower your centre of gravity.

mrbig

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Re: Low Volume Longboard SUP (dreaming one up)
« Reply #27 on: October 08, 2016, 01:18:40 PM »
Jimmy is a great guy. Wiil talk with you about boards. Black and Blue 10' x 31" x 4.25" x 164 liters; Black and Blue 9'6" x 28.5" x 3.5" x 117 liters. One is,a performance noserider and one isn't!

Jimmy told me he shaped the smaller one for his brother, but it was too tippy for him which led to the BEEG WAN. Recently, a third has been added. Not sure of the dims, but I believe it is between the two existing models..
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Bean

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Re: Low Volume Longboard SUP (dreaming one up)
« Reply #28 on: October 08, 2016, 03:53:08 PM »
outline and width will be the largest factor in surf board stability, the more rocker generally the more stable you will be as you efectivly  lower your centre of gravity.

Interesting observation on the rocker Supuk, and I would agree as long as the nose and tail are contacting the water, adding to the stability.

surfafrica

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Re: Low Volume Longboard SUP (dreaming one up)
« Reply #29 on: October 13, 2016, 01:59:05 PM »
I've been thinking about volume a lot lately....probably too much....but hey, I'm dryland right now recovering from a shoulder surgery, so over analyzing this sh-t keeps me engaged! 

Every time I've dropped down a step in volume, I've loved the result.  I love the feeling of a low volume board on a wave and I'm OK to work a bit for it (within limits...not looking to stand calf high in water or anything, but getting my feet wet is fine). With this longboard, I really want to have a refined, fine-railed ride. 

My latest thought is to bring the volume of this new longboard down a touch to 85 L.

Original plan... 8'10 x 26.5 x 3.2, 88 L
New plan?...... 8'10 x 26.5 x 3.?, 85 L

I know it's a small adjustment, but I think on a relative note, it could have a little bit of an impact.

My reasoning: I float pretty well on my 87 L board (see pic below) and the longboard will have much more surface area to give some added stability. At 155 lbs (70.3 kg) including wetsuit, 85 L puts me on a V/W ratio of 1.21, which I think is a totally reasonable number to float me (I consider myself a mid to upper intermediate, but who knows).  87 L would have a ratio of 1.24.  Not a huge difference, I guess. I know 87 L floats me, I'm just not sure how that volume (or 85 L) will translate to a longboard vs my board below. 

I know some guys like fuller-volumed boards to really cruise, but I'm curious to hear from some of you guys out there riding 9'+ boards at ratios of 1.2 or less (including wetsuit, if applicable).  How do you like the lower volume longboards? Are you ankle deep in water?  Do you notice a performance gain on them?  Again, I'm OK to work for it...I don't mind falling in, and I think I'm OK to sink a bit deeper than on my 87 L board below (which just has the deck with a skiff of water on it).

I'll talk to my shaper about it too, but curious to hear others' experiences.

50 years old, 5'7", 145 lbs, intermediate
Infinity RNB: 7'6 x 28, 95 L https://goo.gl/SqlWR4
Kronos LB: 8'10 x 26.5, 84 L https://goo.gl/4iQdps
Kronos Nano: 7'4 x 26, 81 L https://goo.gl/kAM8W6

 


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