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Have you ever wondered how we get the grain pattern on our bulkheads to match the doors? It’s easy really, our doors are cut out from the bulkheads. Our bulkheads are laminated in place, they are made of two, 15mm thick marine grade plywood panels bonded together, there is also 0.9-1.2mm thick Sapele mahogany veneer on each side. This is the wood you see once the bulkhead is finished and we like it to match the door, perfectly. Before the bulkhead can be fitted, if there is a doorway, it needs to be added. This poses a few problems. Because every boat is individually built, one boat differs from the next so each yacht uses wood from the same tree, and this keeps the colour and grain pattern consistent throughout, but cutting out a door from a bulkhead would cause the bulkhead to flex. Even at over 30mm (1 1/4 in) thick a little flex could cause a problem and make it difficult to close a door once it’s installed. For this reason, we cut out the door, add the laminated Sapele mahogany frame to the bulkhead and 6mm of solid Sapele mahogany around the door and then fit the door into the bulkhead and secure the two together. Only then do we fit the bulkhead into position on the yacht. Once the bulkhead is securely laminated in place, the doors are removed and labelled before varnishing. The doors and the bulkheads are varnished separately. The bulkheads remain unvarnished to allow the GRP laminate and glues that attach the bulkhead to the hull to bond fully with the wood. Once the bulkheads are laminated in place, then they can be varnished, by hand and brush to give a thick, hard-wearing finish. #wearesirius #SiriusWerft #Sirius #siriusyachts #Yacht #Yachting #Sailing #Sailboat #Decksaloon #decksalon #BluewaterCruiser #OffshoreCruiser #LiftingKeel #Twinkeel #BilgeKeel #Handbuilt #Sailingyacht #Sailingboat #BlueWaterSailing #GoAnywhereCruiser #Swingkeel #OceanSailing #Circumnavigation #DreamYacht #Segeln #SailingLife #SailingLifeStyle #LiveABoard #SailingInstagram #YachtingWorld

The yellow stingray (Urobatis jamaicensis) is a species of stingray in the family Urotrygonidae, found in the tropical western Atlantic Ocean from North Carolina to Trinidad. This bottom-dwelling species inhabits sandy, muddy, or seagrass bottoms in shallow inshore waters, commonly near coral reefs. Reaching no more than 36 cm (14 in) across, the yellow stingray has a round pectoral fin disc and a short tail with a well-developed caudal fin. It has a highly variable but distinctive dorsal color pattern consisting of either light-on-dark or dark-on-light reticulations forming spots and blotches, and can rapidly change the tonality of this coloration to improve its camouflage. Relatively sedentary during the day, the yellow stingray feeds on small invertebrates and bony fishes. When hunting it may undulate its disc to uncover buried prey, or lift the front of its disc to form a "cave" attractive to shelter-seeking organisms. This species is aplacental viviparous, meaning that the developing embryos are sustained initially by yolk and later by histotroph ("uterine milk"). Females bear two litters of up to seven young per year in seagrass, following a gestation period of 5–6 months. Though innocuous towards humans, the yellow stingray can inflict a painful injury with its venomous tail spine. This species is taken as bycatch by commercial fisheries and collected for the aquarium trade; it may also be negatively affected by habitat degradation. Nevertheless, it remains common and widespread, which has led the International Union for Conservation of Nature (IUCN) to list it under Least Concern.