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penumbra

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Everything posted by penumbra

  1. We use Navionics most of the time. If iNavX is indeed dead, would be a bummer as Navionics doesn't have mag heading, only true. TZ iBoat is getting a lot of positive reviews, but we haven't tried it yet.
  2. I used it for years on the Great Lakes and then a few years in NY harbor, because coating over it is damn near impossible. 1- doesn't matter, as long as it is clean. 2 - again, shouldn't matter, but I never went more than a couple weeks, wet sanded with 220 and then splashed. 3- I've laid on in the 40s, was probably aggressive but never had issues. 4- Propkote is the best option, zinc spray pain is the cheap option, from my perspective. but you don't want copper over aluminum.
  3. Ours lives under the dodger. Our chartplotter is down below and could use replacing. Instead, we've adopted the iPad as the primary device and have had no complaints. Offshore or on crappy days, it lives in a waterproof case. We've sailed ~4k nm with this boat in 18mos and don't even turn the plotter on anymore. But, if you don't have a protected place, I could see where that program wouldn't work.
  4. We have a fire on board as a backup. It's not a terribly pleasant to use device. Very cost effective, though. If the app isn't in the Fire store, there are some tricks you can play to get the Google Play store on it.
  5. I suspect the price and relative rarity of the Lavac is the reason only two people mentioned it. I swore I'd put them on my next boat, but it won't work for our aft (primary) head due the pump location. They are the best situation I've ever seen.
  6. I think the build is pretty much the commodity. The design and the finishes are where the the value appears. As a comp, most US sailmakers centralize the designs (the brand maintains a design team) and the build (sometimes at an unaffiliated shop). Then, finish local. While I didn't love that last main from Rolly, the build was never the concern and I think the finishing was mostly because the sales rep didn't give me the levers to pull.
  7. Sailmakers hate @cianclarke's spreadsheet. They want someone to try the latest and greatest, at the highest margin so they can spend their time with them. It's not a negative story, it's a matter of service. I've owned many Rolly sails on cheaper boats. If you know what you want/need, know how to ask the technical questions and not bother them too much, everyone wins. Precision offers the promise to access the sail designers themselves and upgrade over Rolly. The top lofts don't even do that for the basic buyers. I don't know their work well enough, but the structure of the busines
  8. Definitely easier to go through the sound and to Hell Gate. There are not many good options to tuck in on the south side. Hell Gate was seemingly scary, and as a Great Lakes sailor that was new to keeping a boat out here, there was trepidation the first time I did it. But, it's really no drama and I've done it a 100x since. Mind the tide, hug the starboard side for traffic and you'll be fine. Coming around the south end of Manhattan, you need to watch out for the Staten Island ferry (does not alter course for anyone) and you'll be spared of the million tour boats driving like dicks due t
  9. For retro fits, I don't see much difference between them. Controllers (which Isotherm does have slightly nicer ones, but for my research above) and water exchangers are the differences. They all use the same compressors and unless you are looking at holding plate systems, the condensers are about the same. For drop in units, I think the variation appears a bit more. But, I'm a DIY guy. Maybe the pros have more thoughts.
  10. Have you noticed it actually moving compressor speed around? Does the overcooling kick in properly? I find it disappointing that it remains a mechanical thermostat instead of digital, doesn't take advantage of the relatively cheap ability to measure the condenser temp to optimize speed and doesn't allow for a quick switch between fridge and freezer. This led me to digging into their ITC module (https://www.indelwebastomarine.com/us/products/cooling-technology/isotherm-intelligent-temperature-control/) which all reports indicated didn't overcool automatically - you have to manually h
  11. We have the SPs on our Sweden 42. They are really nice and a worthy consideration. They don't require a strainer, but their zincs will protrude a bit - like 1/2". If you goal is a perfect bottom, air cooled would be a better choice and an easier install. My only thought on sizing is larger just means getting the box colder, faster. Presuming it's reasonably well insulated and there is no reason not to think that, either will likely be fine. One thing I am disappointed by are the Isotherm and other digital thermostats. None of them are smart about changing compressor speeds or "overc
  12. The Man restricts with frequencies radios can broadcast on. Simple answer, hams can't talk on marine bands and vice versa. You can unlock radios today via software, but in the era of through hole boards, one could "clip" the components.
  13. You might have a look at Alexseal. Somewhere between Awlcraft and Awlgrip in terms of hardness, more repairable / polishable. We had Alexseal and then due to Hurricane Sandy, had Awlgrip, thinking the hardness would be better. However, we much preferred the Alexseal. It seemed deeper.
  14. American YC is planning a full season. RC posted the yachtscoring, etc for Spring Series - looks like a good one. IC37s coming down from Newport for their east coast champs on the second weekend, handicap the first.
  15. Atlantic Highlands is a nicer town location - easy to walk in for dinner, etc. Racing at the club quieted down a lot after Sandy (had been in decline for a while). It's also a little more protected if you stay aboard and I think deeper water. Raritan is definitely the better racing scene, better clubhouse. Keyport is an interesting club as well - very low key, DIY, smaller and less protected. Probably not what you're looking for, though.
  16. We have the same. One mounted above the companionway, another at the helm and like them very much.
  17. Thanks, guys. My old vac can't accept bags, which was one of the reasons I was thinking of the separator, but the separator with a bag in it would be even better as I wouldn't need to buy a new vac.
  18. Has anyone tried these with bottom paint dust? I finally got one in the woodshop and it works great. I have a hot date with a bottom job this spring and am waffling on whether to drag it up.
  19. I have the Selden system on our Sweden 42 and can vouch for all of tDot's comments. It's civilized for cocktailing and short handed (particularly offshore), but the shape is less than stellar. My biggest annoyance is in light to moderate air, it frequently sticks when tacking to port. Someone needs to go up and kick it to move it over. I keep thinking I should replace the bearings, but it's probably the track itself, given it sticks in the same spot. We do have vertical battens in the jib, which add a bit of area and seems to help the shape, or at least I like to pretend it does.
  20. $175 to watch the AC while most countries are free. Dicks. https://www.nbcsports.com/gold/americas-cup
  21. There are two options, technically, for such things: terrestrial and satellite. As memory serves, 3 companies have terrestrial networks of any size and they swap data between them. While many would like to think the network is the asset, the satellite data is rapidly becoming more cost effective for the square miles covered for commercial use cases. The problem with satellite, as you might expect, is separating the noise is in noisy places like harbors where lots of radios are broadcasting at once. The local receivers send the traffic from the host location to the server over the internet
  22. I, too, have a Merc 3.5. I picked it up used late last season and used it extensively this summer. I had the 2 stroke version and someone absconded with it. I had made some mods to it, most notably a metal prop instead of plastic. It made a significant difference and I was able to get my AB 9 AL to plane with it. Having done all the same research noted above, these things are rebranded Tohatsus and the parts are interchangable. The lower unit is exactly the same as the 2 stroke and impeller kits from one or the other should interchange. I was excited by the 5 hp "conversion" kit
  23. It could be varying the resistance and relying on positive voltage on that wire, then restricting to the ground. I'm not much of an EE, but that would be my guess.
  24. You didn't say what model Penta or other details on the boat. Our D2-55 is an '05 and in that era full instrumentation was an upgrade. Not sure about now. The sensors in the base model (as it were) are switches instead of variable output. For example, the temp sensor is either on or off to indicate alarm or no. There was, at one time, a kit, including new sensors, to be able to generate the data. I looked into the Yacht Devices N2k bridge, as previously mentioned, and then figured out the sensor issues and shelved the project for now.
  25. Another +1 for the Vesper XB-8000. I'm also using it as an NMEA 2k to 0183 bridge. I wish I could control which sentences it would relay, but very nice. Very baffled why the previous owner didn't take the extra 20 min to wire it up when he got it installed it. The anchor alarm works great. It went off when the wind shifted, we dragged 10-20' and then reset - was nice to know. However, identifying when it's setup or not is a little annoying in the app.
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