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Old 06-09-2013, 18:38   #1
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Construction Thread for Custom 45' Cruising Powercat

I work with B&B Yacht designs and we are currently building a custom 45' X 20' long range power cat.

She should be in the water around Christmas, and I have construction pictures from the beginning till today and I will share them with you thru this thread.

I hope you enjoy it, and I look forward to the discussion of what we have done.

Here is a picture I took of her a week ago, but I will begin at the beginning tomorrow and let you see it from start to the present.

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Old 06-09-2013, 18:51   #2
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In the beginning

The construction renders drawn by Graham Byrnes of B&B yacht design.

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Old 07-09-2013, 13:56   #3
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Hull halves in jigs and halves joined.

These hull were built from foam and epoxy fiberglass in female jigs. The hulls were built in halves and joined down the keel line and bulkheads installed.
Then the outside of the hull were fiberglassed




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Old 08-09-2013, 05:03   #4
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Boat specs

LOA- 45'
Beam -20'
Draft- 3'
Construction - Airex foam and epoxy fiberglass
Fuel- 760 gals
Water- 300 gals
Power - Twin 200 hp Yanmars
Top Speed -25 knots.
Designed by Graham Byrnes of B&B Yacht Design

Designed as a long range , live aboard cruiser but there is also a layout and design for a version as a sport fishing vessel

At 10 to 11 knots she has transatlantic range.
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Old 08-09-2013, 05:10   #5
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Re: Construction Thread for custom 45' cruising powercat

i would be interested in what the hull lamination was? what thickness? vacuum bagged?
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Old 08-09-2013, 05:13   #6
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Re: Construction Thread for custom 45' cruising powercat

Where are you building? I would be keen to have a look if you happen by St Augustine.
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Old 08-09-2013, 05:23   #7
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Re: Construction Thread for custom 45' cruising powercat

Quote:
Originally Posted by scoobert View Post
i would be interested in what the hull lamination was? what thickness? vacuum bagged?
The hull lamination is a layer of 2200 bi-ax and a layer of 2200 tri-ax. This is slightly heaver than the layup specs from Airex.

The hulls are hand laid , but all of the panels for the decks, cabin, and decks were done on a table and bagged.
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Old 08-09-2013, 05:26   #8
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Re: Construction Thread for custom 45' cruising powercat

Quote:
Originally Posted by Boatguy30 View Post
Where are you building? I would be keen to have a look if you happen by St Augustine.

She is being built just outside of Bayboro, NC , on Chapel Creek, not far off the ICW.
Please contact me if you would like to stop by. By car or boat, as we have a nice dock out front.
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Old 08-09-2013, 07:02   #9
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More pictures

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Old 08-09-2013, 07:38   #10
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More pictures

Pictures of the 2 hulls ready to join, the 2 hulls joined, the wingdeck on the laminating table, and the inside of the wingdeck in place.

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Old 08-09-2013, 09:27   #11
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Decks and cabin construction

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Old 08-09-2013, 09:49   #12
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Custom Composite Rudders

The rudder were built in house with fiberglass blades and carbon fiber shafts with stainless sleeves. The rudder bearings and custom tillers were also built in house.

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Old 08-09-2013, 10:12   #13
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Rudders and props

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Old 08-09-2013, 15:14   #14
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Engines and Drivetrain

Engines and Aquadrives in place.

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Old 08-09-2013, 17:03   #15
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Interesting.

Est GPH at reasonable cruising RPM?

Is this a one off or do you plan additional builds?

Est cost?
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