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17-12-2013, 00:03
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#46
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Registered User
Join Date: Sep 2009
Location: on board, Australia
Boat: 11meter Power catamaran
Posts: 3,648
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Re: Render with the bridge
Quote:
Originally Posted by Capt Hugh Wilde
Here is a render of the 48 we are building with the bridge and hardtop.
The 3 , 290 watt solar panels will be mounted on the hardtop.
They have been fine tuned since these were done, and we have the foam on order to build it, and I will post pictures as we do.
Attachment 72186
Attachment 72187
Attachment 72188
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Capt Wilde. Agreed . These days for most applications the shade(hardtop) with 750-1kw solar is almost mandatory.
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17-12-2013, 00:34
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#47
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Registered User
Join Date: Aug 2013
Posts: 156
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Re: Power Catamaran
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17-12-2013, 00:54
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#48
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Registered User
Join Date: Sep 2009
Location: on board, Australia
Boat: 11meter Power catamaran
Posts: 3,648
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Re: Power Catamaran
Quote:
Originally Posted by Parmenter
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No.
Its similar - same designer but 40ft (2x100hp) vs 47ft (2x270hp)
Lightwave have done a similar 40ft adding a flybridge to their 38ft sail cat.
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17-12-2013, 10:23
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#49
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Registered User
Join Date: Jun 2008
Location: seattle
Boat: Devlin 48 Moon River & Marshal Catboat
Posts: 639
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Re: Power Catamaran
Just remember that any cat or multi that gains weight will lose a much higher proportion of performance than a monohull. People who intend to live aboard or travel long distance will either have to go light or accept a significant hit in performance. I personally have come across lots of piggish multis and suspect much of this is do to boat obesity.
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17-12-2013, 11:04
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#50
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Marine Service Provider
Join Date: Sep 2013
Posts: 42
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Re: Power Catamaran
Schulman,
I am actually engineering a waterline sensor device that will sound an alarm and disable the ignitions on a catamaran that is overloaded. This will cause the owner to shamefully unload all the "needless crap" that they were planning on taking on their trip. An email and text will also be automatically sent to them and their spouse reminding them of how much they spent on their efficient catamaran and list all the negative aspects of overloading.
The thought is that if this happens enough times, the problem will cure itself....  
Patent Pending....
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17-12-2013, 11:16
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#51
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Registered User

Join Date: Dec 2007
Boat: Mahe 36, Helia 44 Evo, MY 37
Posts: 5,731
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Re: Power Catamaran
Quote:
Originally Posted by Lagoonboy
Schulman,
I am actually engineering a waterline sensor device that will sound an alarm and disable the ignitions on a catamaran that is overloaded. This will cause the owner to shamefully unload all the "needless crap" that they were planning on taking on their trip. An email and text will also be automatically sent to them and their spouse reminding them of how much they spent on their efficient catamaran and list all the negative aspects of overloading.
The thought is that if this happens enough times, the problem will cure itself....  
Patent Pending.... 
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Great ideas.
That patent is pretty close to the US- lowbridgedeckslapper patent,
but their alarm is just a bone rattling, boat shaking thud.
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17-12-2013, 17:25
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#52
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Registered User
Join Date: Sep 2013
Location: Beaufort, NC
Posts: 364
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Re: Render with the bridge
Quote:
Originally Posted by downunder
Capt Wilde. Agreed . These days for most applications the shade(hardtop) with 750-1kw solar is almost mandatory.
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I agree. I hooked up the 5.5 kw gen set today, but it is only needed to run the air conditioning, water heater, and washer and dryer.
The water heater has a heat exchanger and solar panels, and the inverter could run the washer and dryer, but I would rather do it off the gen.
The AC is all that really needs the gen set with the solar and the house bank we have.
The air conditioning is more for when she is here in the summer, It gets pretty damn hot and humid here in the summertime.
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17-12-2013, 17:31
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#53
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Registered User
Join Date: Sep 2009
Location: on board, Australia
Boat: 11meter Power catamaran
Posts: 3,648
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Re: Render with the bridge
Quote:
Originally Posted by Capt Hugh Wilde
I agree. I hooked up the 5.5 kw gen set today, but it is only needed to run the air conditioning, water heater, and washer and dryer.
The water heater has a heat exchanger and solar panels, and the inverter could run the washer and dryer, but I would rather do it off the gen.
The AC is all that really needs the gen set with the solar and the house bank we have.
The air conditioning is more for when she is here in the summer, It gets pretty damn hot and humid here in the summertime.
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Yes. For me the genset is mostly for scuba compressor, air-con, and charging backup and mostly everything else day to day will be covered by a descent solar array.
Cheers
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17-12-2013, 17:34
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#54
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Registered User
Join Date: Sep 2013
Location: Beaufort, NC
Posts: 364
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Re: Power Catamaran
Have you seen my construction thread on her on here?
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17-12-2013, 17:38
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#55
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Registered User
Join Date: Sep 2009
Location: on board, Australia
Boat: 11meter Power catamaran
Posts: 3,648
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Re: Power Catamaran
Yes. Good work.
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17-12-2013, 18:17
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#56
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Registered User
Join Date: Sep 2013
Location: Beaufort, NC
Posts: 364
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Re: Power Catamaran
Quote:
Originally Posted by downunder
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Thank you very much. I can't wait to run her.
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17-12-2013, 18:30
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#57
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Registered User
Join Date: Sep 2009
Location: on board, Australia
Boat: 11meter Power catamaran
Posts: 3,648
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Re: Power Catamaran
Quote:
Originally Posted by Parmenter
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Here is another Lightwave 38 powercat. Essentially a variation of their Grainger designed 38 sail cat. Has 2x 29hp Yanmar saildrives and is in charter with Cumberland Yacht charters in the Whitsundays.
http://www.lightwaveyachts.com/cgi-b...l?page_id=1077
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