plywood

  1. A

    Concept feedback: Ultra-light 4m plywood day-sailer (stitch-and-glue)

    Cześć wszystkim, Obecnie jestem na etapie projektowania i 4-metrowej przyczepy do żeglowania dziennego, zbudowanej metody szycia i klejenia. Główne założenia projektu do otwartego kokpitu z odpływem, ultraniska masa kadłuba prostaca prosta obsługa i wodowanie z rampy oraz prosty osprzęt z...
  2. evansjhenry

    RIB Conversion Plywood Sides

    I am aware of an old thread about repurposing the fiberglass bottom of a RIB by building up the sides with plywood. A lot of old RIBs get abandoned/discarded, has anyone done this recently ? Thoughts ? RIB (Ridged Inflatable Boat) Converted to Wooden Side Boat
  3. Tops

    Removing and Replacing Damp Plywood + CSM Framing in a FG / GRP Boat

    Hello Everyone- My 21' (6.4m) trailor sailor has some 'damp' in the tabbed plywood (3/4" or 19mm thick w/ CSM and PE resin 3/16" or 4.5mm thick) that makes up the 4 floors and the connecting spacer/keelson. The original glassing was not sealed enough to prevent pooling/standing water (root...
  4. M

    49 feet Solar Powered Plywood Monohull

    I've been thinking about a project and it would be fun with some feedback. Are my assumptions realistic? Cheers! It originated from the idea of a very simple hull powered by the sun and there I found Bolger's Wyoming/Tennessee. But over many iterations it has evolved to something a bit more...
  5. N

    Hardwood vs laminated plywood?

    Working on a dagger board trunk for my boat, the plans call for oak as specers for the trunk sides, but was wondering if pressure treated plywood might be just a good if not better? Anyone here know how it holds up in salt water?
  6. D

    Waller 1480 vs Dix 470 vs some other ideas / semi swath

    Hey, Previously been looking for plans for aluminum cat, but after buying study plans realized that for a boat of 13-15m size will need 12000-16000 kg of aluminum, and just that would eat my entire budget for boat (current prices of Al sheets 8.5-11USD/kg). Then talked to a nav architect...
  7. L

    3/8 plywood vs 1/2

    Hey, in the process of building nancys china dc15 in which the plans call for 3/8 marine plywood for the hull, with the current lumber shortages and my location I'm only able to get 1/2 inch, it only calls for 4 sheets and was just wondering if I could get away with it.. there's not a huge...
  8. N

    Painting Plywood on a boat

    I am looking for durable waterproof paint, preferably with a light grey colour, not clear, for plywood on my boat. Please advise.
  9. G

    Fibreglass/foam/plywood box

    Hi guys I am restoring a camper box for a unimog truck and I thought this place would be best to ask for advice as it uses a lot of the same materials as many boats. The plywood on the inside that is stuck to the foam is pretty much fused together and I found it very difficult to ply off...
  10. Catamaran plywood hull test

    Catamaran plywood hull test

    plywood catamaran hull Made with fusion 360 For 3d models or other info please pm me
  11. D

    Magnesium Board

    Anyone have any experience or information about marine applications for Magnesium Board (MGO Board)? Came across it while researching engine room sound and fireproofing, and it sure holds promise: Fireproof Waterproof Cuts with standard tools Comes in standard plywood sizes It would be...
  12. fallguy

    Gurit scrim on plywood

    I want to stack Gurit corecell 12mm scrim and cores on okume plywood for a roof. The scrim is glass backed; the core would not be. First of all, I probably need to preroll the plywood, but then I was hoping to apply a 1/16th" vee troweled thixo and lay the scrim and core pieces onto the...
  13. J

    Long keel small sailing dinghy?

    Hi guys, I’ve been undergoing a small plywood stitch and glue sailing boat build of a boat I designed myself (my first boat I have built or designed). I’m at the point where I have basically finished the hull except for some reinforcing and coating and am at cross roads. Most builds i have seen...
  14. S

    Richard Woods design plan difficulty?

    After quite a few months of reading/research I've decided that I want to build a smallish cruising catamaran. It seems like it would be the best way for me to acquire the kind of boat that I would like to have. I originally liked the idea of the Wharram designed tiki 30, but I think that the...
  15. Tchamo

    Use foam core and plywood in a catamaran hull

    Hi... i live in a country(Mozambique) were marine wood is hard to find...although we have a variety of good quality wood... at the beginning i was thinking of using one of the local wood and encapsulate with fiberglass and epoxy. my other idea was to build a hull using foam core in to bottom and...
  16. M

    3D CNC routing of plywood sheets

    Has anybody worked through the whole process of hull/bulkhead/stringer design in plywood on to 3D CNC routing of the plywood pieces? If so, what software / process did you use? Any challenges with the CNC mill shops understanding the CAD output?
  17. M

    Laser cut core material?

    Instead of beam compass and hand saw, is there any established practice of transforming sheet materials like thin plywood or foam core into "compound developable surfaces" as described here: Plywood, double curvature impossible ...
  18. Rollbar

    Hull (Bottom) Thickness-Does It Matter?

    Hello, soon (in a few months) I'll be building a Spira Albion 19' (first time builder). Plans call for a 5/8" on the bottom of the hull and I was wondering if it is worth using 3/4" instead/just wanting a stronger or thicker hull. If not maybe just the front part of the hull with 3/4" for...
  19. Niclas Vestman

    Skin over frame sandwich, low cost high performance plywood carbon xps

    Hello to all, and a huge "thank you" for all amazing contributions. I have been reading, lurking and absorbing as much of your shared knowledge as i could, for the past 2 years or so. I am currently tinkering an a franken-trinardo project with modifying a 707 Edwardsson into a typical trimaran...
  20. P

    Plywood, fibreglass, carbon for centreboard project

    I'm working on a new centreboard for my 24' catamaran. It's my forth lamination project, so I'm still very much learning. The plan is to use BS1088 marine plywood core, two halves of 18mm (actually 17.2mm), CNC milled to NACA 0009 profile. This is a very thin board for my comfort, so I wanted...
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