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rigger last won the day on March 19 2016

rigger had the most liked content!

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About rigger

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  1. On accuracy, just to think about: Do you know the accuracy of your: - charts - sensors / GPS - Is your GPS antenna position accurate? Does it matter? The portable systems I'm currently looking after charts are 0.5m position and 0.2m depth, sensors are 0.5m or better. I doubt there are many recreational systems that have combined accuracy that those portable systems have, mind you cost per system is around the 10k mark, cost of the high density electronic charts was rather expensive, updating costs every 12 to 18months a chunk more.
  2. A large number of electronic charts for NZ are accurate to +/-20metres for position. Take a look here https://iho.int/en/new-guide-on-accuracy-of-depth-information-in-electronic-navigational-charts-encs Some can be +/- 500metres or worse.
  3. Just a few charts here
  4. Is the length defined as LoA, LWL, LPB, Register length, sparred length An example: 22ft boat could be 21ft LWL and have a sparred length of 30ft, an LoA of 23ft....
  5. Quite often foreign vessels are ordered out of NZ waters to clean their hulls. In some cases they get divers out to clean the hull of the fouling.
  6. What about instead of external storm shutters you had internal ones, a bit like deadlights, if designed properly for strength and ease of use they could serve a dual purpose, mind you no matter how well designed the boat and how good the crew are, there will be a point that the conditions will overcome them....
  7. Father in-law had a heart attack at home, mother-in-law caught him as he collapsed, then performed CPR and phoned for ambulance, 15minutes later firetruck arrived followed by an ambulance, fire fighters took over doing CPR, ambos got a defib on him then off to hospital, we were told very small chance of him coming through it without brain damage. 5years on his jokes are as bad as they ever were. His wife knowing and performing CPR saved his life.
  8. Hi folks, was not on that one, was on days off. Been awhile since visiting crew. A buoy was collected. Vessel in port Interesting what a bit of rope can do
  9. Tanks on shore full, tankers full at anchor waiting. So the cheap fuel hasn't arrived yet? Re horses Rehabilitated, horses do not need to be registered unless what you're using them for requires it,
  10. Thanks BP, Also working on one half the diameter.
  11. Making a ship's wheel for daughters school. To be part of a play ground.
  12. rigger


    Linz data service, use the crop function to limit download size, Load file into a suitable app and you get this:
  13. rigger

    Sailing Crash

    Based on info provided it is hard to make a definitive decision. In answer to your question, did A give enough time, I do not know. The rule say something like, when it becomes apparent to the stand on vessel, unfortunately different people have different limits. Did B, make a significant alteration to show clearly B was giving way. Honestly at first glance it looks like A is hunting B down. Rereading the text A is mentioned first as doing an action. If the OP could clarify a the points raised opinions may change, either way, one boat is damaged and as you say we are all repeating th
  14. rigger

    Sailing Crash

    Fish read carefully, Boat B tacked and once completed was pointing just below Boat A, but now on port. if from A point of view there is now a risk of collision, think leeway, and it becomes apparent to A that B is not giving way A has to take action... Boat A started moving to a Broad Reach and Boat B also moved to a Broad Reach. so A moving to a broad reach first could be considered that action, by B doing the same the risk of collision is re established, As the boats got closer Boat A beared away as did Boat B. Contact was made and Boat B has a hole at the bow on the por
  15. rigger

    Sailing Crash

    Quotes from part 22 Head-on situation (1) When two power-driven vessels are meeting on reciprocal or nearly reciprocal courses so as to involve risk of collision, each must alter its course to starboard so that each passes on the port side of the other. And 22.16 Action by give-way vessel Every vessel which is directed to keep out of the way of another vessel must, so far as possible, take early and substantial action to keep well clear. 22.17 Action by stand-on vessel (1) If one of two vessels is to keep out of the way, the other must keep its course and
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