Tampilkan postingan dengan label chest. Tampilkan semua postingan
Tampilkan postingan dengan label chest. Tampilkan semua postingan

Boat Plans Wooden | Sea Chest Complete

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Boat Plans Wooden



I finished the sea chest, and installed it.

Ive been hunting for a used sea strainer, and finally found one on Ebay. The dude I bought if from had purchased it for his boat then had a change of mind. The strainer is in new condition having never seen the water.

I welded a leg on to the manifold that I will screw on to the fixed panel that covers part of the fuel tank. Ill be able to access the fuel tank clean out without having to take the sea chest apart as the panel Im using as a brace is adjacent to the access panel.

The final elevation of the top of the "T" is 1" below the water line ( DWL). You can see a line drawn on the fuel tank inspection cover that represents the DWL. I"ll have to extend a nipple up above the DWL, and put a cap on it. Maybe Im not seeing something in my approach to using a T vs a 90, but I like being able to peek down into the "T" just to see what I can see. I also used a coupling on the end of the manifold that will have a plug in it, so I easily be able to expand my sea chest by adding on to the coupling/manifold. I can also expand the sea chest via the T, but Id have to go with a self priming device due to elevation concerns.

I think Im going to remove the plastic bowl on the sea chest and stash it away while I do more fitting out in the engine room. I also have to cut away the piece of angle under the third valve as it is no longer needed and is sort of in the way of the last valve. I think Ill extend the sole under the sea strainer now that I know what the final elevation is going to be. As you can see from the picture, I have enough room to put the valve handles behind the sea chest. Having the handles in the rear is really dumb luck on my part, but nice in that the handles are out of the way and wont snag one as they move past the sea chest.

Now that the sea chest is complete, I can finalize the generator connections.

I like having all my thru hull fittings in one location that is easy to get to. Every time I enter the engine room, it will be impossible not to look at the condition of the sea chest.

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Boat Plans Catamaran | Sea Chest Final Resting Spot

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Boat Plans Catamaran



OK, Im getting kind of tired of the re-work, but I had to move my sea chest location once again. I had abandoned the first location as the intake was to small, increased the size of the intake and moved the sea chest to the area in front of the generator. After doing some assembly, I realized that the sea chest was going to be to close to the water line, and I want it a below the water line. I also felt that having it in front of the generator was going to be a pain in the ass, and Im sure Id be regretting it years down the road as I banged into it while servicing the generator. So, as much as it pained me, I moved the sea chest again. I turned it 90 degrees, and moved it another foot away from the generator.

During my recent visits to the scrap yards ( selling scrap metal), Ive been scrounging around for some for some 2" 316 stainless. No luck on finding some, so I had to break down and make a small purchase of some new material. Making sure all my parts were 316L was important to me so having to buy new material was not such a bad thing given I could assure quality.

The first line of business on the sea chest was building the manifold. I used a 12" piece of 2" along with two 1" x 4" nipples. I cut the nipples in half on my lathe so I ended up with the four pieces needed for my valves. Using a hole saw, I bored four holes in the 2"x12" nipple so I would be able to weld in the valve stubs. I was going to use a boring head to make the bores, but the hole saw did just fine by using the micro feed on my mill and running water on the bit to keep it cool.

Welding the 1" nipples in the manifold was pretty easy. I stood the 1" stubs on the work bench then lowered the 2" manifold on to the stubs and held the manifold up with blocks. This way I was able to keep the stubs plumb, level, and square with the manifold without having to come up with a clamping contraption. I tacked the stubs in place, then placed the manifold in the vice and welded her up. I made two passes around the each stub. I air tested the manifold to 40 psi and Ill be damned if it passed on the first try.

I bolted the stainless flange to the flange I welded into the hull, and just for kicks I tested to see if they were electrically isolated. The electric isolation test was good.

Ive yet to find a used 2" sea strainer, so Im unable to finalize the assembly. Im going to need to brace the manifold both vertically and horizontally, but I cant make the brace until I know the final location of the end after the sea strainer is in place. I also think I can lower the manifold 2" by using a close nipple vs the 4" nipple I have between the ball valve and the "T". Im going to keep my eyes open for another valve that with an overall length of 4" vs the 6" valves I have now. I really cant finalize any of this until I I have a sea strainer.

Im very happy with how the sea chest looks, and more happy with its location. This set up will be extremely easy to service and bring various water intakes on or off line as I need them. I went with a "T" vs a 90 on building the sea chest in case I had to blow a clog out of the intake while under way. I can screw a nipple down in to the "T" to get above the water line, and clear any thing away without having to get into the water. If I had used a 90, cleaning from the inside would be difficult at best.

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Boat Plans Uk | Work Bench

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Boat Plans Uk



Im kind of in need of a quick easy project ( if there is such a thing on a yacht build), so I decided to build a work bench for the engine room. I have quite a few engine room projects coming up and I want to be able to sit comfortably while I get things done. Im also getting tired of having tools and parts scattered everywhere, so Im also contemplating some cabinets and a tool box in the not to distant future.

I dont have any decent plywood laying around the shop, but I do have about 1600 board feet of rough sawn Cherry thats been air drying for the last three years. Its a bit more work to have to joint boards and edge glue them together vs sawing some plywood, but I dont mind. If I can save myself $50.00 for the cost of a sheet of plywood and a trip to the supply house, Im happy to use some of the rough sawn lumber I have.

Its been a while since Ive messed in wood so I had to go over the jointer and make sure it was tuned up. I only had to make a slight adjustment to get the two beds parallel, but other than that, all looked good. After I planed some stock to 3/4", I ran the stock through the table saw a few times to straighten it out a bit. I cut the stock a few inches long, then I ran it all through the jointer to finish the edge. Using a biscuit joiner with #2 biscuits to reinforce the joints, I glued up the panel.

After the glue had cured, I flattened the panel with my air sander using 80 grit paper. My next step was to go over the panel with a DA sander a few times, finishing up with 220 grit. I rounded over the outside edge of the panel, and applied a fiddle to the starboard side. I put a fiddle on this edge since anything that can roll this direction has a good chance of landing in the bilge underneath the engine. Retrieving things from this area would be a pain so Im trying to head things off with the fiddle.

Im putting a satin finish on the work bench just to help it stay a little clean. Ive never had a finish on a work bench as most of my work benches are steel. I want a wood surface on the boat so Im not limited as to what I can do at the bench. Steel benches and wood working tools dont mix so well, so wood makes the most sense.

Installing the bench against #9 bulkhead was about as straight forward as one can get. I did have to mess around with the height of my stool/bench combination. The height of the bench came to 33", and the height of the stool will be 23". This is a comfortable height and allows me to sit upright while not hitting my my head on frame #10. I screwed cleats to the fuel tank and #9 bulkhead to support the bench and also fabricated a leg out of stainless steel tube. If the need arises, the bench will be very easy to remove and replace.

I bought a 5" vise to install on the bench, but after sitting the vice on the bench I was not happy with it. The vice dominated the bench, and just plain took up too much room. A smaller vice would not be the answer, as I hate being limited by having too small a vice for such an important tool. A vice is one of my most used tools in my shop, and I want one on my boat. I compromised with myself, and found another location. Aft of the bench where the sole steps up will actually become a good location for the vice. I can sit comfortably on the step and work at the vice. Im not as limited to the size of work as I would have been in the work bench corner. I can also remove the sole on the step below the vice and pick up another 10" of depth if need be. I"ll have to remove the sole around the vice, reinforce things, then re install a dedicated piece of sole that the vice bolts through. By doing this, I can leave the vice bolted in place and remove pieces of sole to a gain access under the sole for maintenance and future work.

Even though the bench is not as large as Im used too, its going to be nice having a work bench on my boat.

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Boat Plans Stitch And Glue | Cabin Foam

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Boat Plans Stitch And Glue






While waiting for parts for the Carver boat, I finished foaming the hull. I used 1800 board feet of material to foam the forward hull area, and Id guess I have a net of 2+ inches on average, maybe closer to 3". As you can see from the pictures, I foamed down to the water line. I did not want to foam below the water line, but I did add insulating beads into my paint to try to minimize condensation below the water line. I did not have enough to foam the anchor chain locker, so Im going to buy a small 200 board foot kit to foam that area. I was really not ready to foam the anchor locker as Ive yet to paint the floor of the chain locker with a rubberized product. I think something like bed liner is what Ill be using to coat the chain locker floor. I will probably also fiberglass over the foam in the chain locker to help protect the foam from getting destroyed by the chain.

I decided to wire the boat after the foaming as I was not too keen on burying wire in the foam. I know Ill have a little bit of a fight getting conduits and wire in now that the foam is in place, but I did spend a day gluing cleats to the hull in strategic spots so Id be able to attached wires, water lines, hydraulic lines and conduits. My plan as of now, is to keep all my electrical stuff up in the ceilings, and all my water and hydraulic lines lower in the hull below the water line. Im going to try and use conduit as much as possible, but Im not opposed to stapling some wires to the framing. My biggest concern is to protect everything and be aware as to not run a screw through any wire as I finish the interior.

Im going to foam the anchor locker myself. Im too far into the foam to bring in a contractor to do such a small job as the chain locker, but I will not do the wheel house and salon myself. Ill be bringing in a contractor to finish those areas some time next year. While Im foaming the chain locker, Im going to foam the engine side of the engine room door. Right now, the engine room door is my weak link in sound deadening, and with a foam job( or left over rock wool), and some sort of liner, I think Ill be able to quadruple its sound rating. Ill have a little engineering involved in keeping the doors grease fittings accessible, but Im not to worried about figuring that one out. My main goal with the engine room door is to give it the ole college try and see what I can do about minimizing sound transmission. If you look at the picture of the engine room door, you can see how thick that wall has become...thick with insulation ( about 7").

The difference in the hull is amazing now that the foam is in. Not only is it much more quiet, the temperature difference is much more noticeable. Once I close things up with the hatch and port lights, I doubt Ill be able to hear any outside noise.

I purchased my foam from www.betterenergy.com, and I was totally happy with the service I got from Michael.

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