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Vinylester is cheaper and less viscous, but not by much- especially if temperature is controlled. The selling point for me is that the Adtech 820 epoxy has twice the tensile strength and 30% more flexural strength than vinylester resin: both significant improvements (if temp can be managed)...

Not yet. I think seat height is going to be found experimentally as a function of how stable I feel in it. I have been scheming of a quick-adjust mechanism perhaps: that can raise the seat for efficient paddling on calm water, but instantly drop it if things get rough. I wanted to try and model...

Yes, I will print forms and strip a male plug from cheap pine before spending time getting a gloss surface on it. Then I will cast a female mold out of gelcoat/fiberglass/polyester resin. Then finally use the mold to infuse the hull. As is, I estimate the finished weight to be 20-25lbs or...

Thanks. The consistent variable is the displacement. I weigh a fairly stable 175 when fit. With 20lb boat and 30 lbs of gear/food I need to target a displacement right around 225. To be honest, I took a guess that a slightly narrower/slightly longer boat (same displacement) would offset the...

The layup is going to be mixed composites: Carbon for its stiffness and light weight, Innegra for its resilience and light weight, and an outer veil of thin glass for scratch resistance/refinishing protection. Foam bottom panel and foam ribs. Integrated foam gunwales. I have been practicing the...

The design began by lofting Alan's X-canoe in CAD. I then played with it for a few months. The ghosted photos show how the design differs from Alan's boat. The wetted surface below the waterline is essentially the same: the only major difference underwater is 9% narrower beam at design...

Welcome to an unconventional build thread. I enjoy reading these sorts of things and have learned so much from others that I am happy to post my own projects. I welcome community input and hope we can learn a few things along the way. This is a construction forum, so no need to tell me I'm...

Is the window film the only mold release? Sometimes injecting air or water in the crack can separate stuck molds. PVA will dissolve in water and that can be enough to separate sometimes. I don't have any experience with the film. Don't split the stems- the boat looks great! Can you...

There are a couple different fabrics that composite envisions in Wisconsin carries. I'll also add that they pack things extremely well for shipping. My test went well- I was able to video both sides of my mold tool watch the resin flow front, which was pretty cool to see...

Here’s another video that is pretty amazing. We don’t know the layup schedule, but it does show some material resilience. I hope to get some tests laminated this weekend. For an ultralight hull featuring Innegra, I think a ply schedule might look something like (outside-to-inside): 5.5oz...

I've been researching Innegra quite a bit as I prepare for a composite build. I have some innegra/carbon plain weave as well as 3.6oz innegra S being delivered tomorrow to run some test layup infusions with. Innegra is a light, stretchy, fiber. It is one of the least dense composite fibers...

I'm very curious to see photos/details, magicpaddler. I just acquired a magic and have 2 small boys age 2 and 4. I'd love to be able to set it up as a single-paddler tandem for occasional day trips on local water.