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Boat Trailer Plans Australia | Bottom paint

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Boat Trailer Plans Australia


The below the water line part of the boat is painted with the barrier coat. The boat can now be removed from the building cradle.

Having purchased the metal for the boat wheel abraded and primed, getting her bottom ready for the barrier coat was not to bad of a job. There is not much good anyone can say about sand blasting, but as far as sand blasting a boat this size, this job could have been worse. While grinding metal may make the metal look like it is in an ideal surface for paint, the profile created by sand blasting is the gold standard for a mechanical bond of paint to metal. Because the metal had already been blasted, my focus on preparing the hull was to blast to white metal the welds and weld zone, all the print through from the interior frames and longitudinal stringers and the grinder marks. All the rest of the metal was blasted to "scuff" the existing primer to give the barrier coat paint a profile to stick to.

I had talked to a commercial blaster about doing this job, and while his price was reasonable, I felt as if I had  decent enough equipment to do the job. The air compressor in the barn is a single phase 10 hp with an 80 gallon tank. Because the mill scale had already been removed, and I was not taking all the hull to white metal, the barn air compressor could handle the job. Before starting blasting, I cleaned the shop and gave the floor a good sweeping with a back pack blower. The blasting pot I used only holds 100 lbs, so after the pot was emptied, the sand was swept up off of the shop floor, poured through a screen and re used. After three screenings, the sand was thrown away. The weather was about as perfect as one could fine to sand blast with 70 degree temperatures, high pressure, and darn near zero humidity. Blasting was started late in the afternoon and finished the next morning. About eight hours was all it took to do the job.











Because the blasting was done inside during picture perfect weather, blooming of rust was not an issue. Before starting the first coat of paint, the floor was swept again and the hull blown off with compressed air. The paint I decided to use is a PPG product called Amerlock and is a two part paint. My paint rep has been selling it to the operators of push boats and tugs, and thats what theyre using below the water line. Because the paint is so thick, I decided to roll it on vs using reducer and trying to spray it. I did reduce the paint 5 % by volume which gave it a better consistency and seemed to help roll it on. As long as I did not allow more than 24 hours between coats, a chemical bond between coats would occur and no scuffing was needed. Three days gave me three coats. Once the boat is off of the cradles, Ill blast where the cradle was, scuff the rest of barrier coat and apply the anti foul.

Because this paint is designed for below the water line, and the rest of the primer on the boat is not for below the water line, I painted the barrier coat six inches above the water line. My plan is to bring the top coat green hull paint down on the barrier coat by two inches which will allow me to bring the anti foul bottom  paint four inches above the water line. The boot stripe should start at the six inch elevation which will hide the parting line created by the barrier coat. The boot stripe will not get painted until after launch once we are able to see just where the water line ends up.

Having the bottom painted allows one to better see how the boat will sit in the water. With this job finished and all the cut up fore and aft paint work completed, painting the hull green is now a reasonable job that should take only a few hours to  as Im only going to spray one side of the hull at a time. Scuffing, taping, and minor repairs should take a day , maybe a day and a half. The paint should be wrapped up by early June.

Cheers

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Boat Plans Pdf | Home Grown

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Boat Plans Pdf



Every time I do a clearing job and have the ability to take some Cherry trees, I bring them to my neighbor, and he saws them into lumber for me. I have two stacks this size of Cherry thats been air drying in the loft of the shop for a few years , and its time I finally get to use some of it.

If I were to guess, Id guess that I have well over a thousand board feet stashed away in the barn. Its a good feeling to finally be able to use some of this fine lumber and get on with some finish wood working.

Even though this is not perfectly clear lumber one might find in a wood workers supply house, I do get quite a bit of interesting looking grain including curly and birds eye. I try to be keep a close eye on things when Im pulling a piece out of the pile, but until you run it through the planer, its always a mystery how it will look once planed. I love the straight grained clear lumber, but I also love the wild crotch grain or the funky look you get from the birds eye grain. Cherry has always been my favorite wood to work with. It machines well, glues and holds a screw great, and I love how it darkens with age.

Going the rough sawn lumber route is a little more work for me, but the price is right. I love not having to head off to the lumber supply house and I for sure love the fact that Im keeping more cash in my pocket.

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Boat Plans Bateau | Homegrown

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Boat Plans Bateau



Having put a hurting on my pile of air dried Cherry lumber, and since Im going to be finishing the salon and wheel house next winter AT THE LAUNCH SITE it was time to replenish my inventory. I really should have done this job over the Winter when the trees were dormant, but such is life.

There is a pretty nice Cherry tree growing along side the barn that Ive been eyeballing for the last year so, and after much thought,  I made the decision to harvest it. There are plenty of trees on our property, and while this one will be missed, its going to good use. All the lumber will go into the boat build, and the wood from the top will be used to help heat the house and barn this Winter.  My interest in this particular trees was mainly for the large diameter trunk. The trunk was about 44" in diameter and split off into a nice crotch. The crotch didnt appear to be cracked, and had a nice "U" shape to it, so it should work well for making table tops. The tree also had  two leads both with decent size to them, and looking up in to the tree it was obvious there was some board footage in it. I knew the tree was old, and the risk of such an old tree getting storm damaged was real. Cherry trees, with their shallow root system are susceptible to being blow over.

After I felled the tree and cut off the usable timber, I used the loader with forks to bring the logs to the yard. Ive always painted paraffin wax on the fresh cut ends of all the logs I harvest, and its my belief that the wax helps prevent the wood from drying to quickly. A lot of moisture escapes through the log ends, and waxing the ends helps seal the end and helps prevent the lumber from cracking.  Because Im afraid of fungus growing in the log, I dont like to let them sit to long, so once they were waxed, I loaded them on to my trailer for the trip to Carl Claypools saw mill.


Carl lives in the next town away from us, does a nice job sawing, and knows how to use his saw. He drives around his place on restored tractor with his dog "pekerwood".  "How come pekerwood always  has a scraped up nose  every time I see him" I asked Carl. "Well I guess he keeps putting it where it dont belong" Carl answered after his poorly aimed shot of tobacco juice missed a wasp. " You ought cut that big crotch log into 2" slabs and make some coffee table tops" said Carl as he felt the log with his three fingered hand. "So you think we should cut the crotch log in to eight quarter stock, and the rest of it into four quarter eh Carl" I asked. "Sounds like a we developed a plan, so now I got to get going and plant some corn" said Carl. " You payin cash right" Carl shouted as he walked towards the tractor. It sounded not much like a questions but more as a reminder. The work order was in, Carl was going to cut the crotch log into 2" stock and the rest of the timber into 1 1/8" stock.

A week or so later, Carl called an told me my lumber was ready. " Damn if you didnt get over 1000 board feet of lumber" Carl said as we talked on the phone. " I also cut you some sticks so you can get it stacked as soon as you get it back to your place" Carl told me. Before we hung up, Carl let me know I owed him $300.00 for the work, and that cash was the agreed upon method of payment.

I stacked the lumber in to three piles using the sticks Carl had cut for me. I was happy to see I had quite a few boards that were 20" and a bunch that were 15" across. Most of the widths are 10 -12", with very little under 8". The wood has nice figure, and is dripping with character. The crotch log turned out nice, and most of those 2" slabs are 28" wide. He sawed some of the log "wild" which means he left the bark on it and as Carl told me " that bark on them slabs could make for an interesting table top, if a guy would learn how to think out of the box".

Im happy I have my wood inventory replenished,  and like I said above, Ill be burning it up next winter. Ill have to keep and eye on how dry the wood gets, as I doubt it wont be dry enough until late Winter or early Spring. The 2" stuff for sure will not be dry enough until the following winter, but I can wait on that. Ill put the lumber up in the loft this week and in another month, Ill aim a low powered fan at the pile and try to help it dry. A good rule of thumb is air drying takes one year per inch of lumber to get it down to 7% moisture. I have about 400 of dried lumber left, but the choices are getting skinny so I needed to do this. The lumber I have dried will build cabinet door frames, and  cabinet face frames, so Ill have plenty of stock to get started on the galley. Having a nice supply of lumber of this quality for the price I paid goes a long way towards keeping me under my non existent budget.

I want to use the 2" stock to build a coffee table between the two comfy chairs that will be in the salon. I also want to build a table for the back wall of the wheel house using the 2" slabs. The dinner table will be larger than the other two tables, so Ill use some of the 4/4 stock for that job.  I want a real old time shippy look to the wheel house and salon, so I plan on using all wood for the interior with the only painted surface being the bead board ceilings.

Cheers,
























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