Hedley Nicol Trimaran Plans

Discussion in 'Multihulls' started by oldsailor7, Mar 12, 2010.

  1. taow
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    taow Junior Member

    i just looked up the old paper work
    Displacement: 5,000kgs ??
     
  2. cavalier mk2
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    cavalier mk2 Senior Member

    Hey Taow, the first step to losing weight is knowing you need a diet :0 It may not be the new boat but your Wanderer will get you to all the same places with more deck and elbow room than many.
     
  3. taow
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    taow Junior Member

    hey cav,
    just looked up old paper work
    Displacement: 5,000kgs ??
     
  4. taow
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    taow Junior Member

    yeah im loosing the weight, getting rid of heavier not needed items replacing with more useful replacements,off loading 40 to 50m of 8mm anchor chain, already removed one of the 100lt tanks from the stern wall aft cabin, plan to move the other 100lt tank to under the cockpit area, 2x 50lt water tanks to the forward side main cabin, still working on the rest
     
  5. cavalier mk2
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    cavalier mk2 Senior Member

    My calculator says that is over 11,000 pounds, better stay inside the reef.

    I think the empty weight of the study plans is optimistic, most are a bit heavy but built to plan the boats don't really weigh much for their size. Things like water makers and solar power can let you cut down on tankage and batteries. Inboards are a huge chunk of iron but many like them. To get a tri that carries more you'd have to be shopping in the over 40' category.
     
  6. taow
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    taow Junior Member

    10,000lb sounds a lot over then? and im usually this side of the reef, but have been in some pretty rough weather with no real problems other then the rocking horse effect as i call it, but no sounds for concern, perhaps the Displacement in the paper work is wrong, ill have to get on the allan or lex for there thoughts to its weight,
     
  7. cavalier mk2
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    cavalier mk2 Senior Member

    How deep you are riding should give you an idea of the load. A guy like Lex could give you an idea of the pounds per inch immersion rate. it is probably 600-800 lbs of load per inch as you load up.
     
  8. taow
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    taow Junior Member

    daft after full keel and some hull repair is 0.7m, use to be 1.0-1.2m before i off loaded years of useless heave items with small possibly useful little parts, lot of S/S he had laying in hulls , etc the S/S boots that he screwed into the keelsbut i sit in 0.9m and dont touch the bottom. walk up the beach, swim back later,
     
  9. taow
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    taow Junior Member

    note new dodger and aft cabin roof raise still to be readded to weight,aft cabin roof raise will only be 900 to1000mm square, is manly to give head room in aft cabin for showering, im 6ft im sure you can imagine :p ,but with the chain length being shorten, refit when it comes about, using lighter materials and better balancing of the weight placemet, should help out, having 2 x 50lt water tanks mean on short point to point port stops i only need to fill one tank. if i wanna spend a bit of time out the islands longer or reef longer ifill both and take extra water in 20lt jerry cans, i also have in the new frigde freezer design to add a 10lt cold water tank on tap, who doesnt like a cool drink of a hot salty day, plus the 10lt when cold will help reduce refridgeration temp loss, as in a house fridge the more water bottle you have in a less full fridge the less power used to keep cool, note the new fridge/freezer is still only on paper, another round to it job yet to do
     
  10. cavalier mk2
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    cavalier mk2 Senior Member

    Sounds comfortable. I take my comfort in getting there a bit faster.....On another forum I've seen guys using vacuum panels for iceboxes that are more efficient and take less space than foam. On outrig.org and the Searunner thread on www.cruisersforum.com. there are good ideas for saving weight and energy. I did notice that the guy with everything is a ton over load despite doing everything right. Some methods are a bit over the top on the last site and need to be approached with common sense..

    The down side of going green is the cost of the fancy gear. Watermakers and solar panels cost more than batteries and jugs, the good news is they can be transfered from boat to boat. Sounds like your missus will be happy, I noticed the ladies got scarce when my refit started, we'll see what happens when things get finished. This reinforces our sailing instructions- if they can't travel light find them when you get there!

    Spirals lead both directions, from the boat that has everything but can't unplug from the dock to the boat where even the tooth brush handles get sawn to save weight. We invest in sailing well which means the motor doesn't need to be used much which means less fuel to take which lets the boat sail better and so on. Keeping a list of what got used and didn't helps sort out the approach you want for cruising.
     
  11. windmagic
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    windmagic New Member

    Enjoyed all the history and info, reading since 2011. Restored a Cavalier from Rotterdam originally named "Evening Star" (translation from dutch). Ketch rig, 8k lbs. on a crane w/18hp Westerbeke and folder. Would enjoy knowing how the mizzen staysail should be rigged. Currently at Port Isabel Texas and heading south after hurricane season. thanks, and fresh winds for all.
     
  12. cavalier mk2
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    cavalier mk2 Senior Member

    Hello Windmagic, I think I remember your boat when it was on the market awhile back. Good to hear you are getting some sailing in, it seemed the was some potential there. I'd check other boats with mizzen staysails (even monos) to see where to put the hard points for the tack. The main thing is that it is adequately backed up, the main mast base comes to mind, you might need to beef other locations up. Alan Nicol might be able to tell you what was stock.

    Here is another Nicol Cavalier, this one is for sale in BC. If it is the one we saw in Maple Bay the boat was very well finished and maintained. http://vancouver.en.craigslist.ca/van/boa/3869364454.html
     
  13. windmagic
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    windmagic New Member

    Thanks Cavalier mk2. The masts are tabernacle stepped, with the mizzen over the design rudder post, and the rudder on the stern. I'll try posting pics later. The cockpit combing runs to the stern, and reinforces the outboard deck for backstays. The main uppers run to the forward beams, not out to the floats. The main backstays run to the inside joint of wing and float. There are no chainplates on the outside of the floats. Thanks again.
     
  14. cavalier mk2
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    cavalier mk2 Senior Member

    Well it isn't rigged like a stock Cavalier ketch then. Did you move the stays inboard? The boat I was thinking of was owned by a man named Sexton and had the outboard chainplates with tabernacle masts. The stock mizzen location is just aft of the cabin over the last wing beam pair. The yawl stepped the mizzen on bulkhead #8 at the front of the stern cabin which had the inboard rudder post just forward or aft. All the Nicol's carry the coaming to the transom for the walkway...The mainmast for the ketch is placed a bit forward of the location used for the yawl and sloop. Instead of landing on the cabin top it is stepped just forward in a recess in the angled cabin front.

    Nothing wrong with using the beams for the chainplate attachments if they've been beefed up in the right spots for the load. The compression load on the steps becomes higher though so keep an eye on them. The timbers for the ama chainplates are actually pretty substantial 2"x3"s several feet long.

    You might contact the BC owner to compare notes, I like the tabernacles, I put a pivoting heel on my mast when I rebuilt it. I have to run guys and use the boom for a lever but I only lower it for maintenance.
     

  15. windmagic
    Joined: Jun 2013
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    Location: corpus christi, texas

    windmagic New Member

    modified ketch rig

    Good morning Cavalier Mk2, this is the same boat. It has a 1.5" x 30" x 16" reinforced deck with compression post to the keel supporting a 3' x 3" I-beam. The tabernacle is forward of the slant. I put in all new wire, and added a baby-stay (staysail stay) because the mast was pumping at the spreaders. The forward lowers are too longitudely close to the mast, about half the distance of the aft lowers. I think Mr. Sexton used the boat for diving charters in Florida because of the tank racks inside and out (1st things I removed). She's seen 14 knots (on GPS) in 25 gusting 32mph wind on Corpus Christi Bay with no issues. The main is 38'+1.5 tabernacle, and the mizzen is 24'+2. tabernacle. I want to change the rudder pintles which are only 3/8 s.s. in bronze bushings. Is 3/4" enough?? Fresh winds.
     
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