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Old 31-10-2015, 18:13   #1
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40 foot monohull big enough for 6kw gennie, dive compressor and liveaboard?

Is it feasible to equip a 40 foot monohull wth a 6kw generator, dive compressor, dive gear, 1 air con for 2 and liveaboard?

Is this too much gear for a 40 monohull? It seems common for a liveaboard cat, but I suspect that it is too much for a monohull boat.

A monohull would keep running costs lower but a cat would give me more room.

If not a 40 foot monohull, how big would I reasonably need?
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Old 31-10-2015, 18:23   #2
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Re: 40 foot monohull big enough for 6kw gennie, dive compressor and liveaboard?

Depends on tyhe design, a fat arsed 40 foot mono - no problem, a more seakindly hull shape, maybe maybe not, but hell I just finished dinner with a 70 year old guy sailing his 38 ft steel van der stat around the world, been his home for 7 years now, next year he will finally get back to Australia, so I think 40 foot should do it.

A 40 foot mono will carry the gear better than a 40 foot cat, unless it is a fat arsed cat, (see the common thread here) one of the things that monos definitely do better is load carrying.
And that is coming from a confirmed multi-huller.
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Old 31-10-2015, 18:53   #3
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Re: 40 foot monohull big enough for 6kw gennie, dive compressor and liveaboard?

Ok thanks very much that helps a lot.

Any ideas for a suitable boat in the 40 foot range which might be suitable? I would need a few options to consider and look into.

Bonus points for a common boat that has sold many models, such as a production boat, and not too deep a draft.

I would definitely need a bow thruster with a mono that's for sure.
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Old 31-10-2015, 20:25   #4
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Re: 40 foot monohull big enough for 6kw gennie, dive compressor and liveaboard?

RM 1270
JPK 45FC
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Old 01-11-2015, 00:58   #5
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Re: 40 foot monohull big enough for 6kw gennie, dive compressor and liveaboard?

What about a Hanse? They look nice
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Old 01-11-2015, 06:15   #6
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Re: 40 foot monohull big enough for 6kw gennie, dive compressor and liveaboard?

I don't see why you couldn't have all of that on a 40 ft. monohull
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Old 01-11-2015, 06:47   #7
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Re: 40 foot monohull big enough for 6kw gennie, dive compressor and liveaboard?

If you don't know... the definition of the:

Right Sailboat = Compromise...

You could arguably do exactly as you propose on even a 35'er if you were willing to lose quarter berths... Of course displacement and balance are very important issues regardless of size...
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Old 01-11-2015, 06:53   #8
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Re: 40 foot monohull big enough for 6kw gennie, dive compressor and liveaboard?

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BIG Beautiful boats, looks like they're missing a big section of their stern the way they're just "chopped off".
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Old 01-11-2015, 08:30   #9
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Re: 40 foot monohull big enough for 6kw gennie, dive compressor and liveaboard?

We have a Hunter Legend 40.5 and she could do all you mention (a bright spot in the Hunter line imho), especially with only 2.

Good luck!
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Old 01-11-2015, 08:40   #10
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Re: 40 foot monohull big enough for 6kw gennie, dive compressor and liveaboard?

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We have a Hunter Legend 40.5 and she could do all you mention (a bright spot in the Hunter line imho), especially with only 2.

Good luck!
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Old 01-11-2015, 09:17   #11
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Re: 40 foot monohull big enough for 6kw gennie, dive compressor and liveaboard?

Look at the "fat arsed" Schucker 436. Huge engine bay, you could put 4 generators down there, shallow draft. Great live aboard.


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Old 01-11-2015, 10:00   #12
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Re: 40 foot monohull big enough for 6kw gennie, dive compressor and liveaboard?

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Is it feasible to equip a 40 foot monohull wth a 6kw generator, dive compressor, dive gear, 1 air con for 2 and liveaboard?

Is this too much gear for a 40 monohull? It seems common for a liveaboard cat, but I suspect that it is too much for a monohull boat.

A monohull would keep running costs lower but a cat would give me more room.

If not a 40 foot monohull, how big would I reasonably need?
What boat are you looking at? It also depends on how quickly you need to fill tanks.

You'll probably need space on deck to store bottles.

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Old 01-11-2015, 11:04   #13
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Re: 40 foot monohull big enough for 6kw gennie, dive compressor and liveaboard?

Experienced diver but newbie sailor reply here. If you just need the 6KW to run the dive compressor consider a compressor that runs off your main engine instead. I am also looking at options to dive off my 26' Columbia MK2. I have a small 5hp Honda powered coltri unit for diving trips.
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Old 01-11-2015, 11:40   #14
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Re: 40 foot monohull big enough for 6kw gennie, dive compressor and liveaboard?

To make viable suggestions, a budget figure would be needed.


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Old 01-11-2015, 11:59   #15
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Re: 40 foot monohull big enough for 6kw gennie, dive compressor and liveaboard?

Our new to me 40' has 2 queen birth's, 2 heads, large common area, 2 air conditioner's, and a 5k genny.
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