I had a visit from fellow boat builder Brian Russell last year and took some of his comments to heart. Brian is building a Dix alloy sailboat and you can check it out here:Welcome to Odyssey YAchts
While Brian and I were looking over my build he had some concern about the lack of ventilation in my hull. His concern had been gnawing at me for a while and so I started to make some choices about how I was going to keep air moving in the cabins. Since Im blogging about the kids cabin, I might as well talk about the ventilation plan for this room. The guest cabin has a 20" x 20" Lemar Ocean Hatch as its primary source of ventilation. I wanted more vents in the cabin that would work while under way and while we were off of the boat, so I added two six inch vents in each corner of the cabin. I found some 6" SCH.40 galvanized pipe at the scrap yard and purchased eight feet to fabricate the passive ventilation system. I carefully laid out the vent locations then cut away the insulation two inches larger than the pipe. I wedged a metal bucket with a little water in it tight to the ceiling @ the cut area, then used my plasma cutter to cut out the deck large enough to accept the pipe. I welded in my pipe vents
and extended them up to an elevation lower than the cap of the Portuguese bridge. Because of the high bulwarks and me wanting the vent intake up where it will actually catch some air, I want to make sure the cowl is above the Portuguese bridge when Im finished . Ill fabricate some Dorade boxes to work with the 5" cowl vents Im looking for. When its all said and done, the air intake will be above the Portuguese bridge, and the cowls will look quite shippy. I primed and painted the below deck pipe work then glued some plywood on the below deck pipe ends to act as a nailer for the bead board ceiling. Because Im paranoid about sweating metal, I 
wrapped the pipe in closed cell foam gasket material I had in the shop, and spray foamed the rest with some of those cans you get at the hardware store. Doing metal work in a finished section of the boat is a bitch and really slows me down, but this was something that had to be done. I also added a 12 volt fan in each corner of the cabin that will be controlled by their own switch. The kids cabin also has one four inch duct for air conditioning and heat when the weather calls.The last wood working project in this cabin was building the drawer unit under the port bunks. There was really not enough usable space to build the lower
of the two drawers so I built a cubby and installed a drawer front on the cubby. I installed two self closing cabinet hinges on this cubby/drawer along with a catch to hold the drawer front fast. The drawer unit is built against the bathroom bulkhead, and that angle turned out to be 28 degrees. Building the angled drawer was a challenge that took more time than one would figure, but I think the effort was worth it as this drawer added a fair amount of easily accessible storage. The drawer will have one inch of clearance as it slides past the bathroom door casing. The bathroom door will have to be closed
to use the drawer unit, but Im pretty sure it will be closed all the time since having the door closed makes the room just a fuzz larger.
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