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jdege

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13 Whiner

About jdege

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    Minneapolis, MN
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    Messing about with boats

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  1. The rigging wasn't sitting in the boat, it was lying in the grass next to where the boat was sitting on the hard, as it started to rain. The boat is dry, the bilge is dry, and the bucket of DampRid I put in the cabin didn't seem to have absorbed anything significant.
  2. That's what I used, when I took the old rigging down. A few of the labels disintegrated when they got wet. I was able to recover which was which, but it convinced me that paper labels are not the answer.
  3. I ordered some clear heat-shrink tubing a couple of days ago. We'll see how well it works after it shows up.
  4. Are you missing something? Yes. I'll be taking the masts down and removing the rigging at the end of each season, then reattaching at the start of the next.
  5. I don't need them visible when sailing, just when rigging. And given that I'll be connecting the mast ends first, it's the mast ends I'll be marking. So they'll be at the top just because. That they'll be less visible is just gravy.
  6. Temp labels is what I used when I took the old rigging down. Right now, I have a bunch of lengths of Dyneema with eyes spliced in one end, waiting for weather warm enough to raise the masts and mark where the splices in the other end need to be. Adding color-coded splices is something I can do while I'm sitting on the couch watching reruns.
  7. That might work with respect to temps, but it doesn't fit in a label maker.
  8. I'm prepping to replace my standing rigging with Dyneema, this spring. The thing is, my boat is a 37' ketch with its masts on tabernacles. I can raise and lower them single-handed, and I'll be doing that at least seasonally. One of the advantages of Dyneema is that it's easier to handle than wire rope, when the mast is down and the rigging detached. But one of the problems is keeping track of what goes where. I was thinking of using heat-shrink label-maker material. That's always worked well for me when wiring computer networks. That'd be fine for wire rope, but it's a no-g
  9. What I've read I'd that synthetic rigging should be sized to have equivalent elastic stretch as steel. But what size is that? The formula for elastic stretch and the modulus of elasticity for 1x19 stainless steel are both in: Stainless Steel Wire Rope Technical Information But what's the modulus of elasticity for SK75 and SK78 Dyneema?
  10. From what I can see, Torqueedo's Cruise 2.0 FP and ePropulsion's Pod Drive 3.0 EVO are roughly similar. Torqueedo's draws 2kW, and ePropulsion's draws 3.0kW. But the Torqueedo costs twice as much. What makes it worth that?
  11. I'd expect most boat compressors are dive compressors, which are designed more to produce high pressure than high volume. So this might be solution for fewer sailors than I had imagined.
  12. And a fair number of boats have compressors onboard...
  13. For some reason, Google has decided to show me ads for a company that makes battery-powered tools for underwater use. I'd looked at the company's page, a few years ago, when someone mentioned using their rotary brush tool for hull cleaning. And from what I read it seemed like it would be a tool I'd very much be interested in - if it cost about 10% of what it did. But seeing the ads triggered a thought, and I went looking. And it seems that there are quite a few divers who routinely use pneumatic tools underwater. There are discussions about the importance of cleaning and lubrica
  14. I've never seen him do a video on how he has this set up, but he mentioned it in a recent episode:
  15. There seems to be a fair number of live-aboard cruisers who've gone electric. But these are people operating without a schedule. People for whom waiting a couple of weeks for a weather window is an option. One thing to point out, though, is the power curve. Nobody has sufficient solar to drive a displacement boat to hull speed - but cutting speed in half cuts power consumption to a quarter. While you might have enough battery to push 7 knots for 2 hours, you'd have enough to push 3.5 knots for 8. And you could run at 1.5 knots essentially forever.
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