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Showing content with the highest reputation on 25/02/21 in all areas

  1. I usually always find inexperienced sailors way over estimate wave height. Even with NZ waters/tides/wind, it is very rare to get 8m seas. It is truly sobering to be in 5 to 6m and I can say that from experience having been in wrong place wron tide time off Wellington. You wonder how water can defy such logic of standing that high and they make you feel very small, even in a 45ft boat.
    2 points
  2. No, because you are not connected to them with a circuit. The only common path is the water.
    1 point
  3. A very close rule of thumb is that for every 25A of power generated requires 1Hp from the engine. The reason I say rule of thumb is becuase a certain amount of energy is lost due to friction of the pullies/belt/s. So based on that rule of thumb, a 100A ALT output is going to require 4Hp from the engine. In saying the above, ALT installations of 85-100A is about the max when driven with a single belt. Above that current rating, it should be a twin belt system. but twin V belts have a lot of friction. This is due to that the V belt is driven by contact with side of belt and side of pull
    1 point
  4. Excellent interview with Isabelle Joschke. https://www.vendeeglobe.org/en/news/22331/isabelle-joschke-i-just-want-to-enjoy-this-sunny-day-to-feel-and-enjoy-the-stillness-under-my-feet-right-now-nothing-more Those boats sound like a nightmare to jybe. A tightly matched fleet That was super exhilarating and exciting, Every 4 hours there you had new standings, there was a new verdict. But at the same time I found it hard, sometimes I found it very hard in the manoeuvres. I felt I couldn't always run them together. In the gybes I could see I was losing ground. I was frustrated and
    1 point
  5. Hmmm a Mayday is not a Pan Pan and you are either sinking or not, sounds like two Numpties go out on a boat , and the Maritime boys are not allowed to say that.
    1 point
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