Tag Archives: Sandblast

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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Final keel cooler installation and beginning piping

So I got the third keel cooler for the future generator (see my previous post on finding this on Craigslist) in the recessed box in the hull! I had to wait to get the 3M 101 polysulfide sealant that is recommended as my local boating store was out of stock. Once this cooler [...]
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Blast and primer the tunnel tubes

I primed the tubes and prepped the area where the flanges will be welded on using an inorganic zinc primer called Dimetcote.
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Replacing the port side rubrails

First step to replacing the rubrails was to whack off the old iron supports that held the wood timbers against the hull.  The rubrails are the “bumpers” along the side of the hull that take most of the abuse of bumps and scrapes.  Only the rubrail on the port side needed replacing.  Someone had replaced [...]
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Building a sandblaster

There is no more useful tool aboard a steel (or wrought iron) ship than a sandblaster.  I found some plans on the internet that gave me some good ideas on how to make my own unit.  I found an old acetylene tank in the scrap dumpster in the shipyard and went to work.  I filled [...]
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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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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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