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Old 28-12-2013, 19:29   #91
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Re: Construction Thread for Custom 45' Cruising Powercat

Itís the latest wave piercing designs out there. Incat uses this design and a few cats in the BVI also us it. Gives a smooth ride in choppy conditions.
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Old 28-12-2013, 19:49   #92
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Re: Construction Thread for Custom 45' Cruising Powercat

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Originally Posted by Cotemar View Post
Itís the latest wave piercing designs out there. Incat uses this design and a few cats in the BVI also us it. Gives a smooth ride in choppy conditions.
Yes it is. Ours are more conservative than some others, we did not want them sticking out so far to make it easier around the dock not to hit them.

All boats are a compromise, the best you can do is to make informed choices to minimize the compromise.

That is the best you can do. And it what we have tried to do.
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Old 29-12-2013, 19:15   #93
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Re: Construction Thread for Custom 45' Cruising Powercat

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Originally Posted by Capt Hugh Wilde View Post
They are more wave piercer than bulbous bow. They give her a longer waterline and a finer half entry angle.

I agree that fuller bulbs like the one in the 2nd picture would give issues in the conditions you discuss.

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Thanks Hugh for illustrating the difference and from past observations I agree with your conclusions.
Did your naval architect do any hydrodynamic testing either at a ship model basin or via a computer program trying different bow stem shapes and appendages?
It is a fascinating study where small changes can make significant differences in performance for a power cat.
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Old 29-12-2013, 21:33   #94
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Re: Construction Thread for Custom 45' Cruising Powercat

Quote:
Originally Posted by Capt Hugh Wilde View Post
They are more wave piercer than bulbous bow. They give her a longer waterline and a finer half entry angle.

I agree that fuller bulbs like the one in the 2nd picture would give issues in the conditions you discuss.

Attachment 72824

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Thanks Capt Hugh.

That shot shows it as wave piercer rather than bulbous bow.
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Old 30-12-2013, 15:51   #95
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Re: Construction Thread for Custom 45' Cruising Powercat

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Originally Posted by Pelagic View Post
Thanks Hugh for illustrating the difference and from past observations I agree with your conclusions.
Did your naval architect do any hydrodynamic testing either at a ship model basin or via a computer program trying different bow stem shapes and appendages?
It is a fascinating study where small changes can make significant differences in performance for a power cat.

Graham Byrnes is both the builder and the naval architect on this project. He and I began the design of this boat over 15 years ago, in a smaller version [ 40'] that I was going to use for charter fishing, and I never built it.

Graham did a huge amount of R&D on the design, and he has run the numbers every way you can. He also applied a lifetime of knowledge into this project, as he has designed a number of multihulls in his career.

We shall see shortly if we did good. I think we have.

Forest started cutting solid surface countertop today.
I am still wiring, and will be till it is done.
I expect we will start the flying bridge and hard top in the next couple of weeks.

It has been a big project.
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Old 04-01-2014, 17:50   #96
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Update

I took pictures Friday, and left my camera on the boat in my hurry to leave to attend a funeral.

Wiring in the port forward stateroom is complete except for 2 light fixtures I can't install until some trim is installed.

Graham is cutting solid surface on the CNC machine for Forest and that is starting to look good.

Alan will be back Monday from his 2 weeks he took at Christmas to travel with his family. He and I will begin the full court press on the plumbing in the starboard hull and I will begin finishing the wiring in the starboard engine room.

We have the watermaker to order, a 200 gal per day Spectra, and begin to install all of the thru hulls below the waterline.

I am also beginning to install parts of the electronics, the autopilot brain and compass, and the rudder indicator , and the black box and coupler for the ICOM SSB. We also need to plumb the autopilot pump into the steering at the lower helm.

We will be designing custom panels for the lower helm for breakers, switches and indicator lights that Graham will cut and engrave on the CNC machine.

Our overhead LED lighting for the pilothouse will arrive by Tuesday and we will being that install.

Another month and we will be due a punch list.

She is really coming together.
I will try to do better on pictures and not leave my camera there.
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Old 10-01-2014, 20:24   #97
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Pictures

Solid surface counter top, more lighting and wiring, parts being epoxy coated, propane control systems for the stove and fridge.

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Old 11-01-2014, 12:46   #98
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A few more

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Old 11-01-2014, 18:19   #99
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Next week

Will be plumbing and wiring in the starboard engineroom.
Checking stuff off the list.
Ordered the watermaker and the LED rope lighting this week and both are on the way.

This LED lighting is the ****, it is unreal how little power it pulls.

Everytime I finish a circuit, I test it with my 12 volt drill battery.
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Old 15-01-2014, 20:16   #100
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Working on propane system

Today we began the hookup of the propane system for the stove and the fridge.

Running the control wiring for the solenoid valves and the sniffers. Have a sniffer under the stove, under the fridge, and in the propane locker.

I have never come up against anything like this 3 source fridge, 12 volt DC, 120 volt AC, and propane. But it is what the owner wanted, but it is a pain in the ass, and the directions are the worst.

But we will get there.
Try to have pictures tomorrow or Friday at the latest.
Also been installing rope lighting.

Slowly but surely.

Today Alan and Graham began building a platform in the shop for us to build the flying bridge and hardtop on, so we can install it nearly finished.
It has the crown of the cabin top and is set on the same angle as the cabin top.
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Old 17-01-2014, 19:47   #101
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The idiot left his camera home today

Sorry folks, no pictures tonight.

However, it has been a good week and I will take my camera to work on Monday.

This week I have been installing rope lighting and the propane control system.
Both the stove and fridge have controls and we have a 3 zone sniffer system with sensors under both the stove and fridge and in the propane locker.
The locker will hold 5 - 20lb bottles and has a double tank hookup with gauges and an automatic switch to change tanks when one is empty.

Forest have been cutting solid surface counter top and gluing it up and shaping it. He has also built the exhaust system for the galley and helped to build the platform yesterday that we will build the flying bridge on.

That is inside the shop, and we will build the bridge in the shop and then move it out and install it on the boat.

Nat has been cleaning up our 8' X 20' vacuum bagging table and prepping it so we can make parts for the bridge.

Graham and Alan have laid out all of the panels for the bridge on Rhino and are ready to start cutting the foam on the CNC machine.

I carried a pattern to the sheet metal shop today to have a stainless back splash made to go behind the stove in the galley.

The Spectra watermaker should arrive on Monday, and I will start installing it.

Everyday something is getting finished and we are getting nearer the water.

After nearly 4 years, I am ready to put her to sea.
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Old 19-01-2014, 05:55   #102
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Re: Construction Thread for Custom 45' Cruising Powercat

Anxious to to her finished n splashed. Where is she headed once in and what is her name?
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Old 19-01-2014, 06:35   #103
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Re: Construction Thread for Custom 45' Cruising Powercat

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Anxious to to her finished n splashed. Where is she headed once in and what is her name?
The couple that own her are local and live outside of New Bern. She will spend alot of her time in the Caribbean but I am sure they will take her many other places.There has been talk of taking her to Europe. That would be a good trip.

Her name is going to be " Silver Voyage"
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Old 20-01-2014, 16:58   #104
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Rope light, LED lights, and counter tops

I took my camera today and got a few pictures before the batteries died.

In the wheelhouse, over the counters, we have bar lights, the ones over the chart area are white and red, the others are just white, and in the same area we have white and red rope light.

I got the 2 propane controls mounted and wired, and Forrest has been kicking it on the counter tops.

I really like how he has the deep freeze done, it is going to be nice.

The watermaker came today. Will start on that in the next day or 2.

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Old 20-01-2014, 17:10   #105
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Flying Bridge

Construction on the flying bridge begins tomorrow.
They will begin cutting out the foam on the CNC machine so we can begin laying up the panels.
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