super yachts 60million+
Discussion
LimaDelta said:
In reality, it is unlikely you would ever take a boat like that on such a long voyage, and even less likely that you would attempt to do the journey at 60kts.
Apart from the fact you would have to stop for fuel every hour or so, the boat would have pretty much destroyed itself by the time you made it to the Pacific. It's a day boat, not a world-cruiser.
I would imagine the opportunities to use anywhere even near full power would be very much limited by sea conditions.Apart from the fact you would have to stop for fuel every hour or so, the boat would have pretty much destroyed itself by the time you made it to the Pacific. It's a day boat, not a world-cruiser.
LimaDelta said:
Not much experience of Quantum personally.
Maintenance tends to be based around the HPP within the vessel rather than the fins themselves, so no need for extra dry-docking unless you have an issue with crux bearings or seals.
Like anything though it will depend greatly on duty cycles and usage.
Quantums have a lot of the yacht market now. They are pretty straight forward and simple to work on and maintenance wise are pretty easy really. They have had some issues with cracking extension fins but in general they have a rep of being pretty reliable. Maintenance tends to be based around the HPP within the vessel rather than the fins themselves, so no need for extra dry-docking unless you have an issue with crux bearings or seals.
Like anything though it will depend greatly on duty cycles and usage.
LimaDelta said:
In reality, it is unlikely you would ever take a boat like that on such a long voyage, and even less likely that you would attempt to do the journey at 60kts.
Apart from the fact you would have to stop for fuel every hour or so, the boat would have pretty much destroyed itself by the time you made it to the Pacific. It's a day boat, not a world-cruiser.
do world cruisers have to be a certain size by physics because of the waves etc?Apart from the fact you would have to stop for fuel every hour or so, the boat would have pretty much destroyed itself by the time you made it to the Pacific. It's a day boat, not a world-cruiser.
WCZ said:
LimaDelta said:
In reality, it is unlikely you would ever take a boat like that on such a long voyage, and even less likely that you would attempt to do the journey at 60kts.
Apart from the fact you would have to stop for fuel every hour or so, the boat would have pretty much destroyed itself by the time you made it to the Pacific. It's a day boat, not a world-cruiser.
do world cruisers have to be a certain size by physics because of the waves etc?Apart from the fact you would have to stop for fuel every hour or so, the boat would have pretty much destroyed itself by the time you made it to the Pacific. It's a day boat, not a world-cruiser.
LimaDelta said:
WCZ said:
LimaDelta said:
In reality, it is unlikely you would ever take a boat like that on such a long voyage, and even less likely that you would attempt to do the journey at 60kts.
Apart from the fact you would have to stop for fuel every hour or so, the boat would have pretty much destroyed itself by the time you made it to the Pacific. It's a day boat, not a world-cruiser.
do world cruisers have to be a certain size by physics because of the waves etc?Apart from the fact you would have to stop for fuel every hour or so, the boat would have pretty much destroyed itself by the time you made it to the Pacific. It's a day boat, not a world-cruiser.
I mean, you wouldn’t expect a luxury yacht going through a huge storm round the Sourhern Cape as opposed to pottering from Cannes to Monaco, but I assume they all have to be rated to as high as any other boat? Or is it like, ‘yeah it’s nice inside but stay in calm bits sir’
p1stonhead said:
Are all boats rated to survive in the same conditions? Is that a stupid question?
I mean, you wouldn’t expect a luxury yacht going through a huge storm round the Sourhern Cape, but I assume they all have to be rated to as high as any other boat?
The top classification is (and you're testing my memory now) is +100 A1 which means built to the highest level with a surveyor in attendance during the build and with the best kit. Most big yards build to this notation.I mean, you wouldn’t expect a luxury yacht going through a huge storm round the Sourhern Cape, but I assume they all have to be rated to as high as any other boat?
Some are built to a significantly lower standard.
I would have no problem going through bad weather on our boat. The interior might get beaten up, but we wouldn't sink. From a hull/machinery point of view we aren't much different to an O&G supply boat in the North Sea. Just we are painted white and finished a little nicer.
It also depends on what type of trade the vessel is involved with and a full private yacht does not have to comply with the same regs that a commercially operated yacht does. A higher level still is a vessel built as a passenger ship (which very few yachts are) which, for obvious reasons, have the highest levels of safety equipment on board. That's not to say that private yachts are unsafe - many (certainly the larger, higher profile ones) voluntarily comply with most of the rules anyway, we just don't want bright orange life rings, or high visibility signage messing up our expensive interior spaces. This is also the reason that even the biggest yachts tend to be limited to 12 guests, as carrying more mean you have to be built to pax ship standards.
Then if you plan to travel to polar regions you will need ice certification which includes things like thicker hull plating, tighter emissions control and blowers on your intakes.
The rules also depend on length, power and tonnage of a vessel. This can have implications on build code, manning, emissions among other things. General rule is the bigger you are the more rules apply.
LimaDelta said:
p1stonhead said:
Are all boats rated to survive in the same conditions? Is that a stupid question?
I mean, you wouldn’t expect a luxury yacht going through a huge storm round the Sourhern Cape, but I assume they all have to be rated to as high as any other boat?
The top classification is (and you're testing my memory now) is +100 A1 which means built to the highest level with a surveyor in attendance during the build and with the best kit. Most big yards build to this notation.I mean, you wouldn’t expect a luxury yacht going through a huge storm round the Sourhern Cape, but I assume they all have to be rated to as high as any other boat?
Some are built to a significantly lower standard.
I would have no problem going through bad weather on our boat. The interior might get beaten up, but we wouldn't sink. From a hull/machinery point of view we aren't much different to an O&G supply boat in the North Sea. Just we are painted white and finished a little nicer.
It also depends on what type of trade the vessel is involved with and a full private yacht does not have to comply with the same regs that a commercially operated yacht does. A higher level still is a vessel built as a passenger ship (which very few yachts are) which, for obvious reasons, have the highest levels of safety equipment on board. That's not to say that private yachts are unsafe - many (certainly the larger, higher profile ones) voluntarily comply with most of the rules anyway, we just don't want bright orange life rings, or high visibility signage messing up our expensive interior spaces. This is also the reason that even the biggest yachts tend to be limited to 12 guests, as carrying more mean you have to be built to pax ship standards.
Then if you plan to travel to polar regions you will need ice certification which includes things like thicker hull plating, tighter emissions control and blowers on your intakes.
The rules also depend on length, power and tonnage of a vessel. This can have implications on build code, manning, emissions among other things. General rule is the bigger you are the more rules apply.
Burwood said:
paulguitar said:
AMVSVNick said:
p1stonhead said:
Blimey how did she manage that!
Sadly not something for this forum. But she does know an awful lot about Eclipse 
gwm said:
LimaDelta said:
Not much experience of Quantum personally.
Maintenance tends to be based around the HPP within the vessel rather than the fins themselves, so no need for extra dry-docking unless you have an issue with crux bearings or seals.
Like anything though it will depend greatly on duty cycles and usage.
Quantums have a lot of the yacht market now. They are pretty straight forward and simple to work on and maintenance wise are pretty easy really. They have had some issues with cracking extension fins but in general they have a rep of being pretty reliable. Maintenance tends to be based around the HPP within the vessel rather than the fins themselves, so no need for extra dry-docking unless you have an issue with crux bearings or seals.
Like anything though it will depend greatly on duty cycles and usage.
I'm a bit rusty on that subject now, but we have just fitted our first Seakeeper Gyro to an 11m boat and I cant wait to see the difference that makes.
Krikkit said:
Lima that's some great info.
With regards to equipment quality, once you're spending 100+ million on a yacht, you may as well have the best of everything... Even before you consider the net worth of the passengers that it might have on it.
Generally yes, but some things can massively vary in cost. Some owners may cut the cost of equipment fitted in order to stretch their budget to a bigger boat. Same reason they choose an Italian yard over a northern European one. More flash for your cash.With regards to equipment quality, once you're spending 100+ million on a yacht, you may as well have the best of everything... Even before you consider the net worth of the passengers that it might have on it.
Usually though if you want something approved for purchase, take the safety or security angle to justify it and most owners won't bat an eyelid.
J3JCV said:
gwm said:
LimaDelta said:
Not much experience of Quantum personally.
Maintenance tends to be based around the HPP within the vessel rather than the fins themselves, so no need for extra dry-docking unless you have an issue with crux bearings or seals.
Like anything though it will depend greatly on duty cycles and usage.
Quantums have a lot of the yacht market now. They are pretty straight forward and simple to work on and maintenance wise are pretty easy really. They have had some issues with cracking extension fins but in general they have a rep of being pretty reliable. Maintenance tends to be based around the HPP within the vessel rather than the fins themselves, so no need for extra dry-docking unless you have an issue with crux bearings or seals.
Like anything though it will depend greatly on duty cycles and usage.
I'm a bit rusty on that subject now, but we have just fitted our first Seakeeper Gyro to an 11m boat and I cant wait to see the difference that makes.
The3rdDukeofB said:
On the big stuff- I'm looking at the Quantum Maglifts on a 71m 4,500Te displacement, BUT equally interested in the SeaKeeper you mention - as pushing for a new Daughter Craft 13m to include the Seakeeper and perform...
Total thread derail 
That one will be making the Falmouth to Southampton trip in a week and a bit, done it in the same boat a few times without stabilisation so keen to see the difference. once spinning you can switch the stabilisation on and off for instant comparison which will be fun. Maybe use Portland Bill as a test point! The3rdDukeofB said:
Thanks guys... and Quantum?
Are they buggers for maintaining? Dry dock coincides with the hours or is it an addittional headache ?
Maybe i'll message you
Quantum are expensive and in my opinion maintenance hungry.Are they buggers for maintaining? Dry dock coincides with the hours or is it an addittional headache ?
Maybe i'll message you
Service assistance and support is really good however.
I sail with a couple of sets of non retractable zero speed Quantums on a 5100 GRT. They work really well for cruising and at anchor. We even use them in port if there is swell.
The downside is 4000 hour bearing overhauls so I can't see it being very feasible for anything other than a yacht.
I have no experience with MAGlift or XT however
BullyB said:
Quantum are expensive and in my opinion maintenance hungry.
Service assistance and support is really good however.
I sail with a couple of sets of non retractable zero speed Quantums on a 5100 GRT. They work really well for cruising and at anchor. We even use them in port if there is swell.
The downside is 4000 hour bearing overhauls so I can't see it being very feasible for anything other than a yacht.
I have no experience with MAGlift or XT however
Thank you - and interesting stuff to put in the mix in our discussions. Service assistance and support is really good however.
I sail with a couple of sets of non retractable zero speed Quantums on a 5100 GRT. They work really well for cruising and at anchor. We even use them in port if there is swell.
The downside is 4000 hour bearing overhauls so I can't see it being very feasible for anything other than a yacht.
I have no experience with MAGlift or XT however
The maintenance / overhaul does worry me in a commercial vessel that may use the systems a lot.
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