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  1. Roberto

    Forum induced shopping

    Hello, I was casually looking at a few things and tools I have on the boat and I realised I bought several of them over the years after having read discussions here on the Forum, other people's discussions about what they found useful on their boats which I did not need, at least at the moment...
  2. Roberto

    Stretching 12 strand dyneema

    Hello, I am making an emergency stay/shroud out of 12strand dyneema, breaking load about 10k daN. On one end it will have a double Precourt/Colligo lashing fitting, but I would like to remove as much as possible the initial constructional stretch by pretensioning the rope; with soft shackles...
  3. Roberto

    Removing injector copper washer

    Hello, Perkins 4108 engine, my first (forward) injector is in an almost blind space, I had to remove it and could not remove the copper washer, so when mounting it again I had to apply unnecessary torque to the flange bolts to make it tight enough. I would like to remove the old washer and put a...
  4. Roberto

    AI experimental weather products

    In case anyone wants to have a look at weather forecast charts from some experimental products like Ecmwf AI Forecasting System, Machine Learning from GoogleDeepMind, FuXi, FourCastNet, etc : ECMWF | Charts Hopefully the link works, otherwise left column select Experimental AIFS and...
  5. Roberto

    Arzal lock works (Atlantic France)

    Hello, in case anyone keeps a boat at Arzal, la roche Bernard, etc, or is planning to. Some big renewal works have just been announced for the lock and related structures: preliminary plans imply the lock will be kept closed during two 4-to-5 month periods in the winters of two following years...
  6. Roberto

    Arcachon basin closed

    Hello, just seen this, in case anyone heads there: Arcachon passes are officially closed to leisure vessels. Winter storms have displaced the sand banks and it has been impossible to relocate beacons and buoys to the correct positions...
  7. Roberto

    Vendée Globe 2024/25

    Hello, just been at the press conference of next VG, held in UNESCO HQ. 44 candidate skippers were there, there will be 40 final entrants); second most numerous nationality British :) , all spoke very good French. :) Aim of the conference the announcement of some measures on the environmental...
  8. Roberto

    Zinc rich primer

    Hello, I have read people sometimes use a "zinc rich primer" under the propeller and bracket antifouling, this year I would like to give it a go. What type of product is it, exactly? There are the sort of cold galvanising paints, usually a resin matrix with (supposedly) 99% zinc metal powder...
  9. Roberto

    Going up stays

    Hello, I once had to go up the forestay (because of terrible rigger mistakes, with the unfurled genoa), I used a climbing harness, I went up the mast with a loose loop of rope around the stay, then pulled on this loop to bring myself near to the stay. I had to pull quite hard (not that I am too...
  10. Roberto

    Alternator belt tensioning device

    Hello, I have two alternators with belts of very different lengths. When I need to tension them I use a wooden hammer handle to move the alternator body and then tighten the locking bolt, the result is often far from perfect in particular for the shorter belt whose alternator sometimes outputs...
  11. Roberto

    Another boat being rolled

    According to the news there were no casualties. One wonders how different the outcome with regards to the recent Portugal accident, both boats being swept away by rollers and radically different consequences.
  12. Roberto

    RIN / MAIB "digital navigation" webinar Nov 16th

    I had registered some time ago I completely forgot, anyway I just received this reminder from the Comms email address of the RIN. It may be of some interest for anyone, details on the RIN web site. https://rin.org.uk/events/eventdetails.aspx?id=1759581 There is another scheduled one about...
  13. Roberto

    Perkins 4108 fuel map

    Hello, despite having loads of documents about the engine, I could not find its "fuel map", a graph similar to the one below which is for a bigger engine. Has anyone got one? regards
  14. Roberto

    Avoid creating risk of collision

    Hello, a Colregs question :) Is there any provision in the Colregs (or court cases/interpretation) for a vessel not to create risk of collision? Specifically risk of collision, not close quarter situation of course. Example: two motor vessels and a crossing situation develops, given their...
  15. Roberto

    NHC Tropical cyclone guide - New Version

    The NHC has published a significant update of its Tropical Cyclone Guide. The former text dated to 2000ish, this new version incorporates all the past twenty year advances in hurricane forecasting https://www.nhc.noaa.gov/marinersguide.pdf r.
  16. Roberto

    Admiralty Digital Catalogue ADC

    Hello, I wished to have a look at the various available UKHO charts, I could not find a Catalogue online viewer on their web site but only addresses to download this ADC. Ok I downloaded the zipped file, unzipped it and -oh surprise surprise- more zipped files inside the first zipped one, file...
  17. Roberto

    Stern tube corrosion

    Hello, my stern tube (see picture with PSS fitted) is made of some unknown copper alloy, came original with the boat which is about 35 year old. It is simply a metal tube glassed through the hull, without any kind of contact with the shaft, it just holds the bellow end of the PSS, the shaft...
  18. Roberto

    WMO documents access by email

    Hello, is there a way to access WMO bulletins text by their header, in particular by email queries to static internet addresses? A number of them are available through the NOAA server Index of /data/raw/fq for example FQNT50 and -52 are the two daily Metarea 2 bulletins, or the Shipping...
  19. Roberto

    "In line/inline" engine definition [correcn, "on-line"]

    Hello, while listening to this streaming audio -marine communications in New York Harbour, quite interesting- , Northern NJ and NY City Area Marine Live Audio Feed I heard the VTS tell a ship: "We have a high wind warning, you are required to keep your engine in line [or inline?]" The ship...
  20. Roberto

    ST50 speed transducer o-rings size

    Hello, I have to buy a number of orings for different applications pumps etc, I thought I might replace the transducer and blank plug orings for my st50 paddlewheel. There seem to be three pairs of different sizes, does anyone know the dimensions? There is a service kit but it includes wheel...
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