Used board prices for everything but the trendy boards seem to be down 30%+, more than the standard winter drop.
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I think we’ve just gotten to the crux of your flex opinion. Makes total sense now.In 7mm boots, suit and gloves, you might as well ride a door. Which I do
sandwich construction means that skin consisting of a stack of fibre/resin laminate, lightweight thicker skin a few mm thick, then another fibre laminate. I think @One-Off 's builds are sandwich. The resin usually is epoxy and the blank EPSI took it as an umbrella term to mean eps/epoxy builds by old mate since he's championing pu/poly in the flex argument.
Strangely enough up popped this flex article...though its actually really breakage resistance rather than about active flex when surfing.
Aussie Board Builders Snap Foam In The Name Of Science
Stuart and Ryan Campbell don lab coats and proceed squash foam and fiberglass to test the strength of PU, epoxy and their signature Exo Flex.stabmag.com
Yes, the man on the street can order the same lam spec as a pro (if they can out what a specific pro has). What I meant was that the PU/PE boards get special build treatment. I once examined closely a Kanoa Igarashi's discarded/donated CI T-Low. It looked lightly used, however there was one or two very deep dents in it. It was noticeably lighter than one from the shop rack. An amazing amount of work seemed to have gone into making a very fine tail rail edge. No way would that surf the same as a typical retail PU/PE.They pretty much are- shaped PU blank laminated with fibreglass and PE (sometimes epoxy) resin.
Same as the man on the street gets.
You can get a pro weight glassed board from any board manufacturer in the world.
There's no special sauce for pros.
Lots of pros around here on sell their boards to rec surfers.
It's ok Mr J...I do know about the differences. As I said I ride lots of different builds. My rack has from left to right: eps/paulownia,cork,flax,bio resin fish. A re-cycled Marko pu foam, flax, bio resin fish. Lib tech fish. Pu/poly channel bottom. Firewire Helium 2. Lib tech midlength. Thunderbolt red mid length. Pu/poly channel bottom mid length. 2 x Lib tech mid lenghts. Not pictured is a xps foam, paulownia, cork rails and 3/4 deck pad, no resin (except to anchor fin boxes and leash plug) board. Eps/balsa, epoxy resin Burt Burger midlength. Firewire Helium 1 board. New "techno pop" build lighter weight Lib tech shortboard.sandwich construction means that skin consisting of a stack of fibre/resin laminate, lightweight thicker skin a few mm thick, then another fibre laminate. I think @One-Off 's builds are sandwich. The resin usually is epoxy and the blank EPS
Surfing scientist Benjamin Thompson, classified another build category called "composite", which is simply the combination of more than one fibre type in the laminate - the idea being that the properties of one fibre type is complemented by the different properties of another to overall get a superior result than just one of the fibre types alone. Glass usually finds its way into the fibre mix because it sands well. JS hifi certainly looks composite - has a carbon strip and appears to have a diagnonal net of some fibre - I don't know what that net is - maybe innegra or nylon. Libtech looks composite - my guess is the core is expanded polypropylene because they were attempting to make something durable and there are lots of complaints on the erBB about them feeling dead and heavy.
Plain glass and epoxy on an eps core is not composite and my least favourite build - too flexy and more likely to leak and delaminate than sandwich or a good composite.
Anyone know what goes into Dark Arts - is it just carbon in which case its not composite or does it have a glass layer and/or some other fibre too? I think JJF has used Dark Arts in competition.
which ones ur fave?It's ok Mr J...I do know about the differences. As I said I ride lots of different builds. My rack has from left to right: eps/paulownia,cork,flax,bio resin fish. A re-cycled Marko pu foam, flax, bio resin fish. Lib tech fish. Pu/poly channel bottom. Firewire Helium 2. Lib tech midlength. Thunderbolt red mid length. Pu/poly channel bottom mid length. 2 x Lib tech mid lenghts. Not pictured is a xps foam, paulownia, cork rails and 3/4 deck pad, no resin (except to anchor fin boxes and leash plug) board. Eps/balsa, epoxy resin Burt Burger midlength. Firewire Helium 1 board. New "techno pop" build lighter weight Lib tech shortboard.
Then there's my fins if you really want to geek out on flex in them too.
View attachment 168792
Waves have been crap here so there's a couple I haven't ridden yet. Then there's a few I have only ridden once or twice. If its junk Chumlee or 7' Outlier is coming out. The Wildcat and CI twin are going to be ridden a lot when its good. Love my CK Libtech 7'2" when its solid. Lost quite a bit of weight which has prompted a bit of a shuffle and relegated some while I see where I end up.which ones ur fave?
I tried my s-wing twins today in a Twinsman. Those things fucking sucked.It's ok Mr J...I do know about the differences. As I said I ride lots of different builds. My rack has from left to right: eps/paulownia,cork,flax,bio resin fish. A re-cycled Marko pu foam, flax, bio resin fish. Lib tech fish. Pu/poly channel bottom. Firewire Helium 2. Lib tech midlength. Thunderbolt red mid length. Pu/poly channel bottom mid length. 2 x Lib tech mid lenghts. Not pictured is a xps foam, paulownia, cork rails and 3/4 deck pad, no resin (except to anchor fin boxes and leash plug) board. Eps/balsa, epoxy resin Burt Burger midlength. Firewire Helium 1 board. New "techno pop" build lighter weight Lib tech shortboard.
Then there's my fins if you really want to geek out on flex in them too.
View attachment 168792
Where'd you surf?I tried my s-wing twins today in a Twinsman. Those things fucking sucked.
520 green G10’s?I tried my s-wing twins today in a Twinsman. Those things fucking sucked.
Here is what he wrote:here's a poly flexing and "springing" back to its original shape:
19K views · 1.6K likes | Matt Kazuma Kinoshita on Instagram: "Why do I ride stringered polyurethane blanks glassed ultra light with polyester resin? Performance.... I can have anything I want and do have everything you can imagine but always turn to the unbeatable ride quality of a well built poly board. No carbon, no fancy skins or blanks, just the time tested and time proven performance of a stringered poly board. 5.5 lbs with wax on it and the flex is amazing but the rebound is magical... To top it all off, this type of build is the absolute most consistent, most economical to build and the most foolproof to make. No special tools or hi tech machinery needed to make boards that will satisfy even the most picky of pros. I can also leave it in my car 24/7 and don't even fix my dings if I get any.... Don't like polyester resin? No problem, substitute with one of the stiffer epoxy resins on the market and get a similar feel."
1,608 likes, 86 comments - kazumasurfboardshawaiiSeptember 22, 2023 on : "Why do I ride stringered polyurethane blanks glassed ultra light with polyester resin? Performance.... I can have anything I want and do...".www.instagram.com
Guy is 170lbs and using one foot
They flex a lot more than we thinkOk, you are right. Now what.
You deform the surfboard (by how much?), and it happily flexes back and propels you along the wave with magically even more speed.
So do fins.They flex a lot more than we think
Some soft slopey so cal crap as always.Where'd you surf?
Purple G10s.520 green G10’s?
Not surprised. Those and a S wing G10 single fin are the only S wings I have not liked and sold on. The green ones didn’t work well in my shorter fish either. Fin boxes set further forward as with a long fish and they feel better.
Weight of a board is significantly noticeable in performance differences, more-so than materials.PU is the best material we have for surfboards, period.
Nothing else compares with the consistency and versatility.
Discussion about other materials providing better "performance" are irrelevant to 99% of surfers.
Nobody here surfs well enough to inch out any better "performance" from any alt materials. The one exception might be a groveler.
Finally we agreeWeight of a board is significantly noticeable in performance differences, more-so than materials.