Builders must use CERTIFIED Waterproof Marine Plywood that meets the requirements of EN 13986:2004+A1 and BS 1088-1:2003.
There are other equivalent standards in different countries but it must be certified marine.
Okoume special plywood is produced with 100% veneers of the tropical hardwood Okoume and is specially manufactured to provide durability and longevity. Its physical characteristics are very stable and can withstand exposure to severe weather conditions for prolonged periods of time. Okoume special plywood is manufactured with selected, higher quality, inner layers veneers.
Performances and applications
The physical properties of selected Okoume veneers, combined with waterproof gluing AW 100 and high standards manufacturing, result in extra durability, suitable for marine and exterior uses in industrial (boat building, road and rail vehicles manufacture) and building (exterior joinery, carpentry, shutter boards, exterior basements, balustrades, riverside panelling) applications. Okoume special plywood is manufactured for applications where routing, inlay carving, countersink or beveling is required.
General properties and tolerances (ex factory)
Thickness: 2.1 3 4 5 6 8 10 12 15 18 20 22 25 30 35 40 mm (custom thickness available upon request)
Standard sizes: 2500 X 1220/1250 mm, 2500 X 1830 mm, 3100 X 1530 mm, 3100 X 1830 mm (custom sizes available upon request)
Squareness: ±0.25% of the length of the diagonal
Moisture content: between 6% and 10%
Density: 500 kg/cbm ±10%
Glue line: Water and waterproof gluing using either Melamine Urea Formaldehyde (MUF) or Phenol Formaldehyde (PF) resins.
Face: They present a solid surface that is free from open defects. Face veneers are free of knots other than occasional sparse “sound pin” knots. The veneers are reasonably free from irregular grain. Face veneers are B/BB and their thickness is between 1.0 mm and 1.5 mm.
Core Veneers: Selected core veneers, with the same basic characteristics as face veneers, without splits and open knots. There is no limit on the number of closed pin knots or edge joints. Core veneer thickness is between 1.5 mm and 3.0 mm.
Finishing: All boards are sanded on both sides equally.
Performance characteristics and standards compliance
Standards: Meets the requirements of EN 13986:2004+A1 and BS 1088-1:2003.
Bonding quality: Class 3 (EN 314-2)
Durability (humidity): Class 3 – External use as non-structural components (EN 636)
Formaldehyde class: E1
Reaction to fire: class D-s2, d0
Lloyd’s Register Type Approval No. 05/00052
List of basic materials for the construction of the Globe 5.80
Sawn timber 25 mm pine or larch 0.3 m3 planned to Approx. 22mm
Oak sawn timber for floors and keel bearers by plan dimensions
Waterproof MARINE plywood 8mm on deck, cockpit, bulkheads and built-in interiors, 11 sheets (1.22m x 2.44m) If you cannot buy 8mm and 10mm marine plywood in your country, you should be able to buy 9mm. This is ok to use for the deck. The extra weight is not a problem. You can then also use 9mm for the hull but you MUST cover the whole hull with another 2nd full layer of glass epoxy cloth.
Waterproof MARINE plywood 5 – 6 mm for cabinets etc. 1 sheet (1.22m x 2.44m)
Waterproof MARINE plywood 10mm for the bottom, side and transom plating 12 sheets (1.22m x 2.44m)
Sikaflex 291 by needs
4×30 stainless steel screws for screwing plywood plating, 5 kg
5×50 stainless steel screws for screwing plywood components, 1 kg
Micro balloons, as needed
200G glass woven fabric 6 kg
600G glass woven fabric 2 kg
Epoxy resin e.g. Epidian 5kg for gluing and laminating joints (use PAC hardener for gluing) well. 5 kg including hardener (resin consumption may vary, depending on the accuracy of the fit)
Epoxy resin e.g. Epidian 6011 for laminating joints and the entire hull well. 15 kg
Steel sheet for the ballast keel fin Approx. 100 kg dimensions. SS Bolts washers as plan.
Lead for ballast 125 kg + supply up to approx. 20% depends on lead purity
Tubes for Hand rails 25mm, wall 1.5 stainless steel polished, According to the deck plan, Pushpits, Pulpit, stanchions and comprehensive handrails compulsory.
6 mm thick polycarbonate (for windows), By plan drawing for maximum size. Less is best. Opening windows optional.
ZML Kęty Aluminum profile, A5455 mast, 7.90 m long, A4066 boom 2.70 m long (equivalent Selden Sections and bow sprit detail TBA 1st June 2020)
A4 (1×19) SS wire by 5mm, approx. 33 m
Soft ropes 6 – 8 mm for halyards and control lines. 80 m
The following master list represents the first maximum estimate of all fittings and hardware to build the Class Globe 5.80 apart from the hull, deck, keel, fins, rails, mast, rigging and sails. The list includes every item and more to equip the Globe 5.80 to the 2025 Mini Globe Race specification, including personal safety equipment and gear for up to four-day sailors for club racing. Each item is available from the EU PLASTIMO catalogue and part numbers are shown. This list will be adjusted once the first prototype ClassGlobe 5.80 (01) is finished in the second quarter of 2020.
Sailing around the bay you will need none of the ‘extra’ gear. Keep it simple! And light. This allows a comprehensive micro cruiser fitout including a galley sink and foot pump. But no fitted toilet… Good luck!
While not compulsory to use (some builders may use much less, or none at all of a particular item) it is a great master reference point and available to purchase from Plastimo around the world. Catalogue numbers are middle row. All items will be described, discussed and shown fitted during the build process of the Hull No. 01 online blog and subsequent sailing trials and international publicity, so you can check it out then.