Sunday, January 26, 2014

Chainplate craziness

Hey friends - doing a little maintenance stuff on the boat to get her ready to sail from Merritt Island down to her new home in Fort Lauderdale in April, and have run across an unexpected little mystery / project that needs tending-to.

I've noticed some rust on the outside of the hull for a while, and have put off checking it out. This morning, having some time on my hands I decided to spend a little time on it. The main source of the rust streaks on the hull is the little speck on this picture between the two starboard aft lower chainplate though-bolts:

Really odd....the chainplate on the inside is an angle with a flat surface against the hull, so not sure what could be sticking through the hull like this unless the chainplate inside is really rusted.

So - let's pull the trim off the inside of the boat and see what we find there:

Great - the builders globbed a crapload of sealant all over the plates, on the inside of the boat. Protecting the stainless from condensation?

After 30 minutes or so of work to dig through the glop, the chainplate is starting to appear:

After another 30 minutes the chainplate is fully exposed, and there's no indication of what could be poking through to the outside. Dadgummit. The plate looks pretty good - don't like the rust on that one bolt, though.

Guess it would do to expose the others to see how they look now that I'm this far into's the starboard upper:

Wow - this one doesn't look so good. Not good at all. Double dadgummit.

Time to remove the rest of the interior panels to expose the other plates. May as well replace all of these at one shot and be certain they aren't going to fail, and while I've got the underside of the side decks exposed I can remove and re-bed the lifeline stanchions. And see what that little speck of metal is that's sticking through the hull that caused all this investigation in the first place.

I'll be having the boat hauled in a few weeks for a bottom job and hopefully if I do all the work to expose the chainplates from the inside the rigger can get them off and replaced fairly quickly.

Stay tuned for more!

Wednesday, January 22, 2014

UNTIE THE LINES - a weekly solo sailing documentary (Trailer)

Hey friends......wanted to share this link to another interesting sailing video, or series of videos, actually, about the sailing life and fixing up an old boat for voyaging. Girl Power rocks!

Friday, January 17, 2014

Adding to infinity = -1/12

My first memory of bumping into the idea of infinity is from a geometry class in grade school where we were learning about lines and rays. Teacher took us through the idea of lines and rays, explaining that a line continues without end in both directions, while a ray, of course, is fixed at one end and continues without end in the other direction.

Then Teacher asked us which was longer.

I still puzzle over how infinity can be so simple and so irrational at the same time.

Bro Jim left a copy of The Elegant Universe at the house after being here for the Big Game, and I've enjoyed browsing through it and reading the progression of unification theories vying to resolve the sibling rivalry between relativity and quantum mechanics. The book focuses on String theory, with the author's awesome descriptions of  messenger particles, 11-dimensional supergravity, and the myserious M-theory. The book is over a decade old, and I would assume a lot of progress has been made in pushing the envelope of human understanding of the physics that describe the makeup and behavior of the universe since it was first published. The progressive march of human understanding of the world carries on impressively, although I wonder sometimes how far along the infinite path to total enlightenment we have really gotten.

Admiring the view of the full moon setting in the western sky during my drive in to work this morning I was reminded of another childhood brush with the infinite in the form of a rambling, drunken, and apparently brilliant math professor who lived down the street from us. We grew up in a small college town in Alabama, and although this was normally a pretty quiet southern town you never really knew who or what you may see on the street at any given time because the college attracted such a wide range of characters. One of those characters was our neighborhood math prof who would routinely be seen wobbling down the sidewalk, beer in hand, a number of dogs and kids trailing behind, mumbling mathematical expressions all the while. He inspired a mix of awe and pure terror in the neighborhood kids, but pretty much just pure disgust in the neighborhood moms.

Relativity in action, huh?

I wonder sometimes if he behaved as crazy as he did because his mind was blown-out trying to get a good grip on infinity and failing, or if he had actually gotten a glimpse of what infinity really is and it was way more than his head could handle.

Anyway, getting back to purpose of this post, I was looking for information online this evening regarding the Goseck Circle, and wandered down a rabbit hole of science and astronomy websites. Along the way, I found this little video that shows how adding all of the natural numbers from one to infinity equals -1/12

Who would have guessed?

Crazy out.