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Old 29-05-2013, 06:26   #1
MKS
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Lagoon 440/450

My wife and I are in the market for a cruising catamaran. Lagoon is on the top of the list.
We were hoping that some one could tell us what davits and tenders are considered ideal for the 440/450? We would prefer to put a larger tender on our new boat when the time comes.
How much weight would be more than the boat is safely able to balance?

Thanks in advance for any knowledge on this subject.
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Old 30-05-2013, 16:18   #2
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Re: Lagoon 440/450

I believe the stated load for the 440's is 250Kg with no more than 125kg per side.
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Old 31-05-2013, 05:28   #3
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I think it is actually 250kg per side on the L450. I will have a look tomorrow. Our dinghy is about 110kg plus motor 50kg.
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Old 02-06-2013, 14:16   #4
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Re: Lagoon 440/450

our 380 has 150 kg on each. and we have a 310 with a 15hp on the back.
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Old 03-06-2013, 22:06   #5
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Re: Lagoon 440/450

It's 250 a side on a 440.. Try to minimise weight if you can especially at the ends.

Cheers Frank
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Old 04-06-2013, 07:09   #6
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Re: Lagoon 440/450

Hmmm,
perhpas the wording is a little ambiguous...
250Kg total or 250kg per davit???
I might have thought the former - but I have been wrong before!

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Old 04-06-2013, 07:18   #7
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Re: Lagoon 440/450

Each davit has a sticker with 200kg max so by normal practice the davits could handle 400kg (heaven forbid).

A broker told me most failures have been in 410/420 series where someone hops into the dinghy to get something = silly....
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Old 04-06-2013, 07:24   #8
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Re: Lagoon 440/450

An interesting point, when we were looking at different 440's for sale there were two with twin jammers on the lift rope, last week a clutch let go for whatever reason sending the end of the dinghy down.
We were in big seas at the time so a little unnerving, i intend to put a second jammer each side.....
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Old 04-06-2013, 09:26   #9
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Re: Lagoon 440/450

Thanks for all of the replies!
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Old 06-06-2013, 20:04   #10
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Re: Lagoon 440/450

250 kgs per davit. We have a 3,10m dinghy (aluminium bottom, 37kgs) with a 15HP outboard (36kg). We feel so confident in the davits that we never remove the outboard nor the 24-litre tank of gasoline. We do support the dinghy with 2 more lines during crossings, though.There's enough buoyancy and room between the hulls for a much larger dinghy and outboard. I would go for 3,30 or 3,50m, 3,10 is a bit short above F4
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Old 28-08-2013, 17:24   #11
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Re: Lagoon 440/450

Quote:
Originally Posted by Wellington View Post
250 kgs per davit. We have a 3,10m dinghy (aluminium bottom, 37kgs) with a 15HP outboard (36kg). We feel so confident in the davits that we never remove the outboard nor the 24-litre tank of gasoline. We do support the dinghy with 2 more lines during crossings, though.There's enough buoyancy and room between the hulls for a much larger dinghy and outboard. I would go for 3,30 or 3,50m, 3,10 is a bit short above F4
Hi , We have a 3 m Caribe ,20 hp electric start Honda, Steering and double seat, this set up weighs in at around 140 Kilos total, I would say this about as much as you want to go as its pretty hard work to haul up the aft end of the dinghy,but well worth it as you get to run around at over 20 knts in comfort.
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Old 30-08-2013, 21:47   #12
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Re: Lagoon 440/450

I got really tired of trying to figure out how to get the dinghy on our L450 as high as possible (as it and the motor gets knocked by waves and it sways) and trying to prevent lifting rope chafe. So I had these 1 inch stainless bars made up and they are great! I had extra loops put on the top of the bars at the ends so I can put a strop on when traveling longer distances. I have added two small ropes from the aft bar at the centre to the dinghy floor edge loops to stop the dinghy from rotating when lifting.

Dave
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Old 01-09-2013, 11:51   #13
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Re: Lagoon 440/450

Looks nice, but do you know how much load they will take. ?
i just shortened the lifting straps, so our if all lifted al the way up agains the bars.
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Old 01-09-2013, 16:05   #14
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Re: Lagoon 440/450

We have the Highfield Ocean Master 350 with the Honda 20 so I suppose the bow weighs about 60kg and the stern 130kg. I can't rate the bars but they are very strong and no bend at all.

The problem with strops was I needed to raise the pulleys to the very top to get the dinghy to rest on the cross bars and that caused chafe in the lifting rope. I also shortened the strops but the angle became so high (maybe 70 degrees) that the forces became great and that was starting to cause wear on the attachment point on the dinghy.

It is nice when you find an engineer who does great work for a great price and the guy who made the bars also made the upright for my bait board.
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Old 02-09-2013, 22:59   #15
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Re: Lagoon 440/450

Dave,

When you lift your dinghy, does it lift up level (port & starboard)?

When I lower the lifting points on my AB 11 aluminum dinghy, it gets very sensitive to weight distribution as the center of gravity is higher than the lifting point and the dinghy wants to turn upside down.

Because of this, I've kept the lifting points higher and just tied a line from the dinghy stern and bow to the boat, to bring the dinghy closer to the davit and stabilize it.
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