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Old 14-12-2014, 17:58   #301
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Re: Construction Thread for Custom 45' Cruising Powercat

Very nice. Any fuel burn rates yet?
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Old 14-12-2014, 18:07   #302
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Re: Construction Thread for Custom 45' Cruising Powercat

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Very nice. Any fuel burn rates yet?
No we have not adjusted the Flow Scans yet. One of the things on the list.
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Old 21-12-2014, 15:40   #303
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Re: Construction Thread for Custom 45' Cruising Powercat

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Originally Posted by kbudd View Post
Very nice. Any fuel burn rates yet?
Have been de-bugging the system and finally found the vacuum leak that was making the port flowscan act up.
Even though I wound have the system fully dialed in next time we run her, I should have some rough numbers then.

The charging system is unreal.

I put Balmar max charge 614 regulators with a Centerfielder II on the main engine alternators to charge the 1000 amp hr main house bank, and the engine start batteries charge off the house bank thru 2 Balmar Digital Duo-chargers.
The house bank is also charged by the solar array thru a Victron MPPT controller.

After being adjusted, it is all working as designed.

We will be hooking up the solar water heater panels tomorrow. Will report on them when we are finished and it is warm enough to use them.
To cold right now.
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Old 21-12-2014, 15:43   #304
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Name and hailing port and fiberglass ladder

The ladder to get on the hardtop is made from fiberglass tubing.
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Old 21-12-2014, 16:01   #305
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Re: Construction Thread for Custom 45' Cruising Powercat

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Originally Posted by kbudd View Post
Very nice. Any fuel burn rates yet?
On the fuel curve it looks like 8 gals per hr total burn at 15 knots.
Will like to compare that to real time data.
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Old 23-12-2014, 19:16   #306
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Change of subject.

Merry Christmas My grandmother served in the North Carolina General Assembly for 3 terms in the late 50's and early 60's.

This was before my time, as I was born in December of 61, but I have heard the stories.
She would have a big Christmas party every year, and when I say big, I mean big.
It went on for 2 nights in a row. She would invite 2000 people, 1000 each night.
She would hire all the off duty cops to park cars at the house and drive people home.
That was just how politics was in eastern North Carolina in that day and time.

They would make egg nog for the party.
They made it in her bathtub.

They would scrub the tub out with hot water and bleach, and rinse it well. Then put ice in the bottom and line it with plastic.

Three mixmasters running for hours whipping cream, egg whites and the yokes.

Every year at Christmas, I make it, and it is part of remembering her at Christmas.

I have changed the mix alittle over the years, as her's was strong enough to run your car on.

Make a batch and share with your friends and family.

Dr. Davis's Egg Nog. Will cure anything that could ever be wrong with you

1 dozen eggs, separated whites and yokes
1 qt whipping cream
1 pt half and half
1/2 cup powered sugar
1/2 cup sugar
vanilla
nutmeg
cinnamon
1/2 to 1 cup rum
1/2 to 1 cup whiskey


Whip egg whites with a pinch of salt and add 1/2 cup powered sugar, whip till stiff.
Whip whipping cream , add 1/2 cup sugar and vanilla to taste
fold egg whites and whipped cream together.

Whip egg yokes add nutmeg and cinnamon to taste

Take half and half and add the rum and whiskey to it.

while stirring the egg yolks on low, add the half and half and liquor mixture slowly to the egg yokes so the liquor will not " cook" the yokes.
Strain thru a strainer to catch any of the egg that cooked

Fold into the egg whites and whipped cream.

Hide your car keys from yourself and enjoy.

Merry Christmas my friends.
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Old 27-12-2014, 18:00   #307
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Re: Construction Thread for Custom 45' Cruising Powercat

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Originally Posted by kbudd View Post
Very nice. Any fuel burn rates yet?
Speed and fuel burn We ran the boat today to set up the pilot and other electronics.

Since I also got the Flow Scans working and somewhat in calibration we did some speed and fuel runs.


2500 rpm - 16.5 knots, 11 gals per hour total fuel burn

2800 rpm - 18.2 knots, 13 gal per hour total fuel burn

3000 rpm- 19.5 knots, 14.5 gal per hour total fuel burn

3300 rpm- 23 knots, 21 gal per hour total fuel burn.

Did a single engine test, 1 engine, 1600 rpm, 8 knots, 2 1/4 gals per hour.

We have alittle tweaking to do that should improve both speed and fuel numbers.

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Old 28-12-2014, 07:47   #308
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Wake at 16.5 knots.

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Old 01-01-2015, 13:56   #309
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Short video

A short video of the Silver Voyager at full power, 23 knots.

https://www.facebook.com/video.php?v...type=2&theater
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Old 04-01-2015, 11:56   #310
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Winding down

Silver Voyager will be hauled in the morning to repitch the props down an inch, and to add a trim wedge to each hull to bring her nose down a couple of degrees and lift her stern alittle.

We screwed some test wedges to her sterns on Friday and went out and ran her, and it helped her speed and fuel burn in the midrange, and cost us 3/10's of a knot at top end, but you never run them there anyway.

The only major projects left are the flooring, the non-skid, and finishing the varnish.

Graham is working an a design for a single diesel 28 1/2 foot coastal cruiser that can be put on a trailer, 8'3" beam, powered with a 30 hp Beta diesel, looking at 9 knots at 2 liters of fuel per hr.

I am working on a design plan for a more simple cat, plywood ring frame construction, with small power, for people with simpler needs than this boat.

Also working on a design for a 38' cat for sportfishing, as well as a sportfishing version of this current design.

As we finish, I will post pictures, as well as a report on our final all day sea trial we are planning for later this month, to put her in the ocean and put her thru her paces.

I have enjoyed sharing her construction with all of you, and I hope it has be informative.
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Old 31-01-2015, 19:10   #311
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Leaving Maribel

A couple of weeks ago, we took the "Silver Voyager" to Al's house so his wife can have the launching party.

We made the 45 mile trip at 16 knots and burned 30 gals of fuel. There was a 2 to 3 foot steep chop in the sound but she ran right thru it, but for an old monohull guy, the motion is different.

We will haul her out at the end of the month and add the trim wedges and touch up some paint, and adjust the props.

Forest has all the flooring cut and laying in place and will start gluing it in this week.

We were having a small issue with the shore power, so I was there Monday tending to that.

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We are getting her dialed in, and when we do, watch out.

The autopilot holds her like she is on rails.
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Old 31-01-2015, 19:20   #312
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pictures from the launching party.

Most of the fu-fu onboard.

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Old 31-01-2015, 19:24   #313
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B&B Power and Light Company

I have been working on another project for the last 3 weeks, but I have been keeping up with the cat as the final details are being finished.

Varnish, some interior paint touch up, the flooring, and all the little finishing touches.

I had to go to the shop today to have Graham cut out an engine template for me for the repower we are doing on the dive boat I run.

After that, I drove to the Springer's house to check on the boat.

It was early afternoon, and Al was taking a nap in the house, so I let myself aboard " Silver Voyager ", and went directly to the electrical room.

After the normal start up issues, I wanted to check the status of the system.

Her systems are complex, with shore power, gen set, inverter, solar charging, and special charging set ups on the engine alternators.

Today, all of it was doing it's thing.

Both the inverter charger and solar charging on float charge, house and engine banks full.

All the equipment working together as it was designed to work.

Battery temp nominal, float voltage nominal, system at 100 %.

I must say, I found that very gratifying after spend so much time and work designing and building the system to work in the manner it is. In balance, and in sync.

The few bugs of start up a thing of the past, and watching it work just as it was designed to do.

Perfect? No. What is? But it fully redundant and has layers of backup to provide power even if there was a total house bank failure.

Not full power, but power for navigation, lighting, pumps, and refrigeration.

Our venders were a huge help in the design of this system, and provided me with excellent equipment, perfectly suited to the job it needed to do.

Victron Energy, Balmar Power Products, Full River Batteries, Odyssey Batteries, Blue Seas Systems, Paneltronics and all of the other companies that provided the parts for this system were excellent to work with, and provided us with quality products.

I could not be more pleased.
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Old 08-02-2015, 18:11   #314
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Bridge windscreen

This week Forest installed the bridge lexan windscreen.
The cold weather has slowed down progress outside, and the interior work is coming to an end.
Next Sunday, weather premitting, we will take her to Washington to haul and repitch the props and add the trim wedges to her sterns.

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Old 08-02-2015, 19:04   #315
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Springer power and light

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