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eruptn

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Posts posted by eruptn

    VHF Channel changes: Coastguard issues summary information

    in MarineTalk

    Posted

    The Coastguard have released the attached info on the pending VHF channel changes that will occur in October this year. Seams to answer all the questions.  

     

    Looks like the MBIE and Maritime NZ advertising will start soon.

     

    Maritime NZ has released a revised/new "Radio Handbook" and two stickers 'VHF Marine Channels' and 'Radio Distress Calling' .. both free on request. I got 100 copies delivered to home yesterday for sending out with this years sailing programme to our members. Plus 100 copies of the Maritime NZ Safer Boating guide.

    Channel Change Information.pdf

    • Upvote 2

    Recovering trailer-sailer recommendations

    in MarineTalk

    Posted

    Hi

    If there is some surge your right not to put the trailer in to deep, as the boat can float off the rollers. Work it in sections, that is as the boat comes on move the trailer back. You need a dedicated driver. The trick is to balance keeping weight on the rollers and letting the boat float so winching is easy.

    Side poles can help sometimes but they have to be at max beam an that part of the boat is often still in the water !

    Trailer sailers

    in MarineTalk

    Posted

    I would suggest you check out the NZ Trailer yacht site (http://www.nztya.nz/trailer-yachts.html) and read through the reviews. They are dated but contain good background info. Where are you based as that can have an influence. Also check out the near by yacht clubs that have fleets.

    There are a few designs that have stood the test of time well.... With no preference ones like Farr 6000 or 7500, the Noelex's, Bonito 22, Merlin, Sabre 20 an 22, Tasman 20, Gazelle, Whiting 22, D20 etc.

    As others have commented a looked after one is best.

    Has much changed ....

    in RaceTalk

    Posted

    No far far from it ... I was thinking more of the friendly 'stakes' (read rum today) between boats, the perceptions of a close finish not born out on the recorded times and stories of carrying or setting the wrong sail etc.

    Has much changed ....

    in RaceTalk

    Posted

    Interesting read from 1870 (Daily Southern Cross, Volume XXVI, Issue 4153, 5 December 1870, Page 2):

     

    THE LATE YACHT RACE.

    My attention was drawn this morning to a letter written by Mr. Waymouth, in which he states that he is not satisfied with the result of the race on Wednesday last. He says that he was not more than 70 yards astern at the finish, when he really was five minutes behind by the umpire's time. He also adds that he was restricted to canvas by me. Now, the facts of the case stand thus I really could not get him to cover the stakes I laid until the last moment, when he came to me and said that he would sail the match but I was not prepared with my arrangements, as I considered that the race would not come off, and I had not my gaff-topsail ready. That is the reason why I restricted Mr. Waymouth not to carry a gaff topsail. Now, as Mr. Waymouth says that he will will be happy to make another match on the same terms, I am prepared to meet him at J. and D. Oxley's, on the Wharf, any time on Monday, to arrange about sailing another match.— J. Clare.

    Noelex 22 outboard motors

    in MarineTalk

    Posted

    The YNZ Safety regs (Part 5) Trailer Yachts;

    Here the ruling is;

    Motor rating shall be a minimum of 0.6 kW per metre overall length (approximately equivalent to 0.25 hp per foot of overall length). Motor rating shall be as per the manufacturer’s specification.

     

    That comes out at about 5.5 hp for a N22, therefore 6 is the most common used. I'm not sure if its still the same but the 6 and 8 hp models used to be the same weight etc so many went for the 8 hp as there is no penalty weight wise etc. There was the odd time we were thankful for the 8 hp. As mentioned above the sail drive prop also make a very big improvement.

    Summaries on the limits of Lithium batteries and recycling

    in TechTalk

    Posted

    It would appear that batteries are the focus this week in Nature (materials science journal). Two articles giving some background:

     

    Lithium batteries: To the limits of lithium.

    Researchers are developing a type of battery that has ten times the power of conventional batteries.



     

    and 

    Recycling: Lazarus batteries.

    Battery recycling can be hard, energy intensive and uneconomic. But soon, dead power cells could be more easily resurrected.



     

     

    Tsunami affects expected in NZ from Chilean M8.3 quake

    in MarineTalk

    Posted

    Chile earthquake - Tsunami warning (Marine and Beach threat)

     

    Areas under ‘Marine and Beach Threat’: Expect unusually strong currents and unpredictable water flows near the shore. This means a threat to beach, harbour, estuary and small boat activities. The severity of currents and changing water flows will vary within a particular coastal area and over the period this warning is in effect. Current assessments indicate that coastal inundation (flooding of land areas near the shore) is not expected but this assessment may change.

    Note:

    The wave amplitudes given indicate the largest expected wave activity at any coastal point in the particular coastal zone and at any time during the entire period this warning is in effect (tsunami activity will vary in a zone and with time; the first wave activity may also not be the largest).

    The given amplitudes do not include the local tidal or sea state at the time of tsunami activity.

    Local authorities will determine the implication of the expected wave heights for their areas and will decide on appropriate response actions (e.g. evacuations). Listen or check for this information from your local authority.

    The first tsunami activity may reach New Zealand in the areas around East Cape at approximately 00:15 on 18 September 2015. This may be later and the first activity may not be the most significant. Tsunami activity will continue for several hours and the threat must be regarded as real until this warning is cancelled. This warning has been issued to all local civil defence authorities, emergency services, other agencies and media. MCDEM and scientific advisors are closely monitoring the situation to update this assessment. Information will be updated or repeated at least hourly until this warning is cancelled. Also see www.civildefence.govt.nz

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