Quick question/recommendations
Firstly. Is single to double a Double concave through the fins inside the single concave or single to double is literally as it reads a single concave to double concave being the double conc has same rail rocker as stringer rocker
And second .
Pros n cons of both
( Normal short boards and fishes/fun boards)
I’d say the 2nd scenario, at least that’s how I do it. Not really the exact same rocker cuz it transitions into the single .
I’m not sure about your other question, I’ll let someone else address that.
Most doubles are set within a single, To various degrees depending on what you want flowing off the tail behind the fin or fins. Example…a very slight concave off the tail, double, flat or V. Because whatever you chose will dictate at what point that stringer either stays below the rail line, joins it or goes above with a V. Most concaves are deepest ahead of the fins then taper to whatever your doing off the tail.
Most shortboard/performance shapes have some degree of double. Helps Keep boards feeling lively and loose rail to rail. I like single throughout though too and can have a good connected feel.
Thats all fun stuff to play with but sticking with a smooth single concave and focusing on your rocker, rails and fin placement will be more important first. And have a bigger impact on how your board feels if shaping a standard shortboard
Also interesting to see what Jim Banks is doing here…
Yeah it looks good, I didn’t think Vee with concave panels was that unusual? Maybe it’s just buzzwords, but Jim does have a great reputation and his boards looks like they surf nicely.
I don’t think its that unusual either but you can see he’s pushing the envelope a bit, then looks like he is rounding the V at the peak, gives the board a different look, and apparently, a different feel.
I love when guys get creative & try stuff outside the box, and I especially love when they share, instead of acting like its their own proprietary secret sauce. I guess I don’t mind so much, but when they post up for attention Hey look what Im doing !! - then refuse to have a conversation about it that kinda irks me.
Anyway he is openly sharing & his boards look interesting maybe have to try that someday.
I agree 100%. They do look like deep concaves. Not too dissimilar to the CI Tri Plane maybe but without the chines?
A shock to see the Jim Banks design, as I finished this board 2 weeks ago.
I referenced an bottom suggestion by Neal Purchase Jr.
See the second reply here: NEAL PURCHASE DESIGNS: 2+1=fun
I put belly in the nose to 25.5cm (10") back, to concave, to double concave, to double concave Vee, to flat the last 23cm (9") of tail. Steep chine in the rail starting where the belly ends and tapering out at the wings. The single to double concave transition starts at my front foot. The double concave to Vee starts under my back foot. Front foot = accelerator, back foot=turning. (I’m a front-foot surfer)
I’ve only surfed it a couple of times, it jumps up on plane so quick, I’m doing a lot of no-paddle or one-paddle takeoffs. Very speedy. I’m working up through fin configs with glass on’s. Right now it’s a single fin with “nub fins” at the wings stuck on with resin. Something we did in the 70’s for a short while. I can’t wait to try NP Jr’s fin designs! The flat in the tail seems to really stabilize it in the “soup”, (oops, dating myself with that) by sliding my rear foot back maybe 15cm (6"). This board has some really unique (good ) sensations. It has a LOT of potential. Can’t wait to explore it!
Nicely done, appreciate the photos, the shaping bay photo is 
The board looks like a keeper, hope you update us with more pics & ride report. If you have some build in progress photos it would be awesome to have a thread of its own.
One of the beautiful things about shaping our own boards is making them custom to our own needs, looks like you succeed there!
What a great looking board! Like Huck, I would love to see a build thread on this. Details on outline etc. I’m also looking forward to hearing more about your ride experiences as you start to play with fins as well.
Thanks, Huck for the encouragement. I’ll amass some info on my approach and images. How do I start a thread?
I’ve been a Sway’s member since way back when, I just don’t like to fill up cyberspace unless I have something of value to others.
George Leone
Thanks, It might be as much as a couple of weeks until I can get to it. Life is busy right now. Then I can report on some test rides.
Your post regarding your board definitely had something of value to others! Keep em coming as time allows!!!
