Tag Archives: Welding

Molehills into mountains

As I said in the last post, I found a bunch of pinholes in the starboard side rubrail. Some light tapping with a hammer really opened them up. So out came the oxy-acetylene torch to take off the old half round iron pipe and prepare the area for a new section of mild [...]
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Not having a great week

Besides the cold and snow, it has not been a great week. I knew there was a small hole in the original iron rubrail on the starboard side, so I dragged the scaffold over to have a go with the welder to put a patch on it. The more I poked around, the worse and [...]
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Back to the bow

Here is the “Before” picture to this story below: I was going over the bow stem and I noticed what looked like a seam in the iron that looked pretty raggedy, so I decided to put a new pass of weld on top to smooth it out. Well wouldn’t you know that that one little [...]
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Port side bowthruster guards

Now that the flanges are finished, I thought it might be a good idea to put some sort of guard on both sides of the tunnels. I toyed with the idea of welding tabs and then bolting in these horizontal bars, but that seemed like excessive work. I decided in the end to [...]
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Welding on the flanges

So I want to beef up the area where the tunnel tubes meet the hull plating so I am installing a doubler flange on each penetration. I had cut the tubes so they extended roughly 1/2 inch past the hull plating on each side. I then took some 3/8 inch thick plate and [...]
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Livet – an 1901 Dutch Canaller

So this very nice dutch canal boat, Livet is in the yard. She was in for some bottom work and a repaint. Looking on the web to find out about the vessel, I came across a post on the Tugster blog here all about her. She had previously been moored in the [...]
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Working my way forward

I am working my way forward on the starboard side. I’m going to need some more 3/16″ 7018 welding rod soon! I’ve gone through three 50 pound containers in the last week.
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Ring around the rosey

So I have been working my way around the stern – rewelding all the TC bolts. These are the hardest ones as they are virtually overhead. This is where the rudder post goes up through the hull. Only a few left to go in this area and then I can move back [...]
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Sizing a bow thruster

I am considering putting in a bow thruster.  This is a small propeller in a tunnel that is mounted in the nose of the boat.  It allows you to push the bow to either side.  Since this tugboat only has a single screw, it is going to be tricky to dock, especially with a wind [...]
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More TC bolt welding today

I am still working my way around the starboard side stern quarter.  It is slower going as it gets to be more overhead welding and there are more TC bolts per square foot.  I found a TC bolt that had no weld on it at all!  Most of these TC bolts have an existing single [...]
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Another day welding

Sundays are the quietest days at the shipyard as all the regular workers are off.  So no sandblasting or forklifts running around.  I am getting to the stern on the starboard side of the hull now.  And the hull is going to start to slope back so I will start to have to do more [...]
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Welding the TC bolts

I used TC (Tension Control) bolts in lieu of rivets where I have replaced the wrought iron plate with steel plate.  Then have a nice rounded head that looks like a button head rivet and they are threaded so I could use a large pneumatic impact hammer to tighten them down.  I forgot how many [...]
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Replacing hull plates

So here is a little photo timeline on how we replated the hull.  The first step, not shown here, was to cut off the old plate and remove all the rivets.  Then to sandblast, prime and paint the stiffeners or ribs.  Here they are grey.  You can see I had to fix some of the [...]
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