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02-07-2012, 07:20
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#1
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Registered User
Join Date: Apr 2011
Location: Florida
Boat: Lagoon 380 Cat 38 ft
Posts: 136
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Is My Lagoon 380 Catamaran Overweight??
I have a Lagoon 380 which has the added weight of 3 AC's 9,5 genset, Large watermaker, large add on freezer, 5 additional 8D AGM batteries, etc etc.
I had the vessel weighed loaded it weight's 25,000 pounds. the water line has already been raised 6 inches and is back to being level with the water.
I would like to add a fiberglass hardtop and arch which would add another 500 pounds. I am worried it is already overweight. I read somewhere the displacement is 16,000. i also read that the dry weight is 16,500 pounds.
What is the allowable weight for a 38ft cat. and is my cat overweight.
any advise???
Thanks
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02-07-2012, 07:26
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#2
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Registered User
Join Date: Aug 2010
Posts: 237
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16,500 (about 7 tonnes) sounds very light for the 380 lagoon. Pretty sure they are usually up over 10 tonnes. Try the lagoon sub forum maybe.
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02-07-2012, 07:42
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#3
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Registered User
Join Date: Dec 2009
Posts: 110
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Re: Is My Lagoon 380 Catamaran Overweight??
Could you post a picture of the waterline in relation with the boat, then we can compare to ours
Thanks
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02-07-2012, 08:21
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#4
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Registered User
Join Date: Jul 2007
Location: W Florida
Boat: Still have the 33yo Jon boat. But now a CATAMARAN. Nice little 18' Bay Cat.
Posts: 7,086
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Re: Is My Lagoon 380 Catamaran Overweight??
Cannot Lagoon themselves tell you?
__________________
Who knows what is next.
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02-07-2012, 08:42
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#5
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Registered User
Join Date: Nov 2007
Boat: TRT 1200
Posts: 7,271
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Re: Is My Lagoon 380 Catamaran Overweight??
As I don't know the Lagoon 38 well I can't say for sure but if you raised the waterline 6" and the water is now at the top of the waterline I would say you are way overweight. Was the original waterline factory? The Lagoons are supposed to be good load carriers though.
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02-07-2012, 09:11
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#6
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Marine Service Provider
Join Date: Apr 2009
Location: Devon, UK
Boat: Sailing vessels up to 200 tons
Posts: 388
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Re: Is My Lagoon 380 Catamaran Overweight??
Your bridgedeck clearance is going to suffer.... you may get a lot of slamming.
__________________
Regards, Ed
Delivering boats for a living - no more!
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02-07-2012, 10:32
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#7
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Registered User
Join Date: Mar 2011
Location: Pacific NW, sailing the Columbia River, USA
Boat: Gemini 105MC 34 ft hull#753
Posts: 951
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Re: Is My Lagoon 380 Catamaran Overweight??
Most ctamarans under 40 ft will carry aprox one adult at 200 lbs and a 30 lb bag for every bed space, doube beds = 2 people 2 bags. We have room for 8 adults = 1600 lb and 240 lbs bags and about 20 lbs of food per person costal sailing = 160 lbs. not counting water, fuel, extra anchor and chain, dingy w/ motor. When you think about it 2000 pounds is a lot without reducing the bridge deck clearence too much. If you don't want to have guests that's lot of extra stuff you can carry.
__________________
Wind in my hair and a nice catamaran
Phil & Elaine
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02-07-2012, 11:06
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#8
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Moderator
Join Date: Jul 2007
Boat: Bestevaer.
Posts: 14,678
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Re: Is My Lagoon 380 Catamaran Overweight??
All the Lagoons in Europe have a CE compliance plate near the stern listing the max permitted load.
I am sure someone could quote this for you. Maybe try one of the european forums like YBW.
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02-07-2012, 11:21
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#9
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Marine Service Provider
Join Date: Dec 2009
Location: Working in St Augustine
Boat: Woods Vardo 34 Cat
Posts: 3,865
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Re: Is My Lagoon 380 Catamaran Overweight??
At first I thought this thread was a joke. Maybe you were going to say you had an Elephant as a cruising pet!
Mate, 6" is WAY to far. Your boat is dangerously (structural problems) overloaded. I doubt a travelift gave you an accurate weigh as they are off but I would say 4" or 100mm is the MAX that is ok for a cat this size to be below the factory waterline. An inch of immersion on those hulls is probably around 800 lbs each hull so maybe you are 9,000 pounds overweight, but seriously you're totally screwed already.
__________________
@mojomarine1
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02-07-2012, 12:15
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#10
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Moderator
Join Date: Jul 2009
Location: Sxm , Spain
Boat: CSY 44 Tall rig Sold!
Posts: 4,367
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Re: Is My Lagoon 380 Catamaran Overweight??
Quote:
Originally Posted by Boatguy30
At first I thought this thread was a joke. Maybe you were going to say you had an Elephant as a cruising pet!
Mate, 6" is WAY to far. Your boat is dangerously (structural problems) overloaded. I doubt a travelift gave you an accurate weigh as they are off but I would say 4" or 100mm is the MAX that is ok for a cat this size to be below the factory waterline. An inch of immersion on those hulls is probably around 800 lbs each hull so maybe you are 9,000 pounds overweight, but seriously you're totally screwed already.
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Hahaha, +1
The 38 is a heavy weight multi anyway, 9000 extra poundsss?? dangerous is not the right word, i guess is a disaster waiting to happen.
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02-07-2012, 12:24
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#11
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Marine Service Provider
Join Date: Dec 2009
Location: Working in St Augustine
Boat: Woods Vardo 34 Cat
Posts: 3,865
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Re: Is My Lagoon 380 Catamaran Overweight??
I've got it; a great dane for a pet and the elephant for the anchor washdown.
__________________
@mojomarine1
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02-07-2012, 13:16
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#12
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Registered User
Join Date: Mar 2012
Posts: 32
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Re: Is My Lagoon 380 Catamaran Overweight??
You're obviously concerned or you would not be here. You simply need to re-access your situation. Lets face it, your a fat cat. (sorry too tempting) I'm in favor of the one where you check out the manufacturer and get their take on this. The good news is, it sounds like your in a place where you can stay and solve this and keep your safety intact. Best of luck.
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02-07-2012, 14:48
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#13
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Registered User
Join Date: Apr 2011
Location: Florida
Boat: Lagoon 380 Cat 38 ft
Posts: 136
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Re: Is My Lagoon 380 Catamaran Overweight??
Quote:
Originally Posted by Boatguy30
At first I thought this thread was a joke. Maybe you were going to say you had an Elephant as a cruising pet!
Mate, 6" is WAY to far. Your boat is dangerously (structural problems) overloaded. I doubt a travelift gave you an accurate weigh as they are off but I would say 4" or 100mm is the MAX that is ok for a cat this size to be below the factory waterline. An inch of immersion on those hulls is probably around 800 lbs each hull so maybe you are 9,000 pounds overweight, but seriously you're totally screwed already.
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You are RIGHT we are over weight we will start getting rid of some of the excess weight we have aboard. and since we are liveaboards it's alot. Will my wife be willing to get rid of some of her clothes and shhoes???
Thanks to everyone who took time to weight in and a special thanks to
Gregor Tarjan, Author of : CATAMARANS: The Complete guide for Cruising Sailors.
I emailed him and he responded the same day with wise advise.
Also thanks to Robin Hodges from the Catamaran Company in Annapolis. For explaining displacement versus gross tonnage as well as past experience with weight distribution on a cat. If you need a good broker, definitley give him a call.
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02-07-2012, 14:56
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#14
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Sponsoring Vendor
Join Date: Oct 2007
Location: Hollywood, Fl.
Boat: FP Athena 38' Poerava
Posts: 3,984
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Re: Is My Lagoon 380 Catamaran Overweight??
You have three AC units on a 38' Cat???
If my wife reads that...
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02-07-2012, 18:41
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#15
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cruiser
Join Date: May 2011
Boat: Hitchhiker, Catamaran, 40'
Posts: 1,827
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Re: Is My Lagoon 380 Catamaran Overweight??
On a 38 you don't get to have "stuff", only gear. If your transoms are dragging in the water, you are overweight. If you are not cruising, so what. Some people extend the hulls on their cats. Sounds like you need to lighten up.
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