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Google mainsheet load an you will get 4 or 5 calculators. Run each one an compare, if they give similar results you will be in the right ball park ?

Anyone tried one of these on a small Yanmar http://www.trademe.co.nz/motors/boats-marine/parts-accessories/engine-parts/auction-1124770833.htm Time for s oil change.

Only Monowai is active st present an that's minor.

About what the outboard bracket is rated for, or a tad less.

Similar issue here, looking at Takacat ..... Any one with experiences?

Hey mum I'm home ....

Spotted this on TM http://www.trademe.co.nz/motors/boats-marine/parts-accessories/outboards/auction-1076765882.htm Anyone see one working ?

News story from JPL at NASA mapping the sea surface heights; http://www.jpl.nasa.gov/news/news.php?feature=6112 Its all up hill to Aussie at present !

My Dell has a unit like these: http://www.bixnet.com/uncardcpoadk.html Great as you can use it in car, truck, boat etc.

Oh Dam .... if it is PeeJay IV as is been reported that's one nice boat, she has (had) a very kind sea motion.

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 !

Garmin have one, check the local suppliers; https://buy.garmin.com/en-US/US/shop-by-accessories/nmea-2000/nmea-2000-field-installable-connectors/prod11644.html I can't find the reference now, but remember reading something about the plugs when installing the network on my boat, maybe something special about the shield ?

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.

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.

This may be of use? https://www.tindie.com/products/astuder/daisy-ais-receiver/

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

Great view from September of Auckland ... like the detail in the sediment plumes highlighting the currents etc. https://twitter.com/StationCDRKelly/status/647551726346739712

Only a week to go, great to see the entires trickling in. Sounds lik we may have some trailer tries as well. Looking forward to seeing you all next week.

This looks good value for those with PC based systems looking for AIS input. https://www.tindie.com/products/astuder/daisy-ais-receiver/ Marketed at $US55

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 als

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. Link http://www.nature.com/nature/journal/v526/n7575_supp/full/526S93a.html and Recycling: Lazarus batteries. Battery recycling can be hard, energy intensive and uneconomic. But soon, dead power cells could be more easily resurrected. Link http://www.nature.com/nature/journal/v526/n7575_supp/fu

Check out these guys http://www.retwine.co.nz/products/520-marine-canopy-fittings

The tidal surges can be seen here : http://www.geonet.org.nz/tsunami http://www.geonet.org.nz/tsunami

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 expecte

MCDEM have put out a tsunami warning message, strong currents expected later to night