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Mono Heel fatigue vs Catamaran SLAP, oh to dream canter keel cruiser


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#1 TwoSail

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Posted 20 August 2019 - 08:45 AM

Monohulls really do slice through the water nicer, but being on 20deg for 5 days straight becomes a real PITA. 

Conversely Catamarans whilst barely heel, SLAP like the 2 hulls are going to split in any decent ocean (basically any bluewater sailing)

A canter keel on a performance cruiser monohull now thats the dream. I bet it happens.

Any thoughts on Multihull slap under sail?


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#2 ex TL systems

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Posted 20 August 2019 - 09:04 AM

With good bridge deck clearance and average weather you can sail blue water with out any slapping on many cats. Not overloading is important both in weight and sail carried
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#3 Black Panther

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Posted 20 August 2019 - 09:11 AM

Ive yet to find a cat that doesnt slap offshore, and ive had one try to disintegrate on me mid indian ocean.
Would i still get a cat for cruising? Yes. Every boat is a compromise though and cats are more expensive to buy, park or haul. They also have a motion that can be seriously unpleasant.
Monos lean over occasionally. Try not going upwind.
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#4 Priscilla II

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Posted 20 August 2019 - 09:27 AM

Try a Tri.
https://youtu.be/w7hIaMqTZbk
https://youtu.be/gYYpFcQ1cjI
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#5 DrWatson

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Posted 20 August 2019 - 10:23 PM

A canter keel on a performance cruiser monohull now thats the dream. I bet it happens.

 

 

JP 54

 

https://www.youtube....h?v=-dTYQXyE7jM


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#6 Cazzate

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Posted 20 August 2019 - 10:44 PM

Hey Dr do you know the story of the boat ? I’ve seen pics of it off Mt maunganui and it’s got NZ on the transom but it’s now owned by JPK
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#7 Frank

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Posted 21 August 2019 - 04:47 AM

From Minerva back to AKL in 30 kt SW on a  50 ft Ganley, was tedious but not in any way uncomfortable. My mate came back in a leopard in similar conditions the boat handled it fine but he found the motion odd it was sort of like a jerking ,lurching of the windward hull as the leeward one punched into the waves, overall he said he would have preferred a mono. But really doesn't it come Down to avoiding going to windward if you are cruising ? ha ha good luck with that :-). I would still happily have a cat but dont have the budget.


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#8 wheels

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Posted 21 August 2019 - 04:57 AM

All Mono Hulls, Canting Keel included, heel unless going down wind. That is why the Hull has such a shape as it does. It acts as a wing in the water, along with the Keel and Rudder, to give the Boat "lift". If you have ever watched a Sailboat coming toward you, you will notice the Boat actually sails slightly side ways. Apart from down wind, no Sailing Mono hull points directly in the direction it is headed. It is in fact being "lifted"in the direction it is headed and the Bow will always point slightly down wind.


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#9 Willow

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Posted 21 August 2019 - 08:52 AM

Cazzette the JP54 was designed and built in Tauranga for John-Pierre Dick a french ocean racer. Website here https://www.jpdick-yachts.com/

 

As for the comfort of cats, I did a delivery of a 50 foot cruising cat to Vanuatu a few months ago and was shocked at how uncomfortable it was in a seaway. I have sailed on smaller monohulls all my life and thought that it would be more comfortable and faster than a 35 foot racing mono. This was simply not the case.

So much leeway in waves that what should have been cracked sheets was on the wind.

Not impressed. Any half decent 50 foot keelboat would have been faster safer and more comfortable.

The cat was great once there with lots of room so horses for courses I guess.


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#10 Priscilla II

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Posted 21 August 2019 - 08:59 AM

Wheels I wonder how much leeway you would get on one of these.
Phenomenal lift speed power assisted minimal heel crikey what more could you want in a cruiser.
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