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The new compmillennia 39 cat

Old 11-01-2015, 03:58 PM
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Have you read the title? Lol
Old 11-01-2015, 04:02 PM
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Originally Posted by Otseg View Post
It may be hard to imagine that this photo depicts the extent of the T-Top legs. They are waiting for some console paintwork to be completed before installation. It was hard for me to imagine installing the typical T-Top on this boat. We are using the carbon fiber console to handle the sheer loads that the normal diagonal legs provide and with suitable fiberglass isolation from direct contact with the carbon fiber composite. The typical bolted pads were not in the program. Certainly there is a certain aesthetic for an aluminum pipe job, and really the pipe welders have an artistic flair to their work and so we have curves too. The alternative for us would have been composite legs, but we have not the time in the schedule. Kieth Modlin Welding will wrap up the handrails and rod holders, probably after we collect beer from Makomyday.
This is going to be a cutting edge boat!
Old 11-01-2015, 04:51 PM
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Originally Posted by pas View Post
or with a pair of FPT570's and XPower drives...
I am looking into these as of last week with some Arneson ASD-8's. In 07 I ordered another 43 NorTech but this time with a pair of Yanmar 480's and ASD-8's. I loved the MPG and range but could not get the top end I was hoping for..so Terry from NT sold the boat to some Rapper guy..Shaggy. He put it in the video I wanna ride...anyways, Im curious with this set up what fuel economy would be on this 39 Compmillennia vs outboards.
Old 11-01-2015, 05:12 PM
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Originally Posted by Jassman View Post
I am looking into these as of last week with some Arneson ASD-8's. In 07 I ordered another 43 NorTech but this time with a pair of Yanmar 480's and ASD-8's. I loved the MPG and range but could not get the top end I was hoping for..so Terry from NT sold the boat to some Rapper guy..Shaggy. He put it in the video I wanna ride...anyways, Im curious with this set up what fuel economy would be on this 39 Compmillennia vs outboards.
As we move into this age of 45-50'CC, with the current outboard selection, I think this may be the best way to get a 50 mph cruise and extended range on a true tournament boat. Builds like this are breaking ground for future endeavors for others.
Old 11-01-2015, 06:20 PM
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Ray came off a diesel boat and could have had them. In the 90's I designed a 29 center console for twin outboards but because Whitewater and SeaVee were having demand for diesels it was an option for us too. The next 4 boats after the first outboard all had single or twin Yanmars. I chatted with the owner of White water at the 2015 Miami Boat show and he said he had not done a Diesel in two years, because the new outboards were easier maintenance without climbing into the bilge and quieter.

Jeff you can have your diesel. Is this Fabio Buzzi boat swoopy enough for you? There is no reason to reinvent the wheel, Fabio has been building high speed diesel catamarans with surface drives for years. We were doing a joint project and I got to visit the Northern Italy factory and test ride boats on Lake Como. My friend and rigger Dave Wilson in Miami I am seeing this weekend. He built Diesel race boats in Italy for 20 years and can do another one in his sleep.

No confusing Lake Como in Italy for the Pamlico in Eastern Carolina!
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Old 11-01-2015, 08:16 PM
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Originally Posted by Wishniwasfishn View Post
How much fuel are you hauling getting that? That boat is a mono, correct?
with a Bahamas load, 314 gal of fuel, 57 gal of water, 4 packed coolers and a bunch of other stuff it will go down to 1.8. With 200 gallons and 3-4 people on board, 2 coolers I get 2. If I slow down to 40 its usually 2.2 to 2.3.

Yes mono hull no steps.
Old 11-01-2015, 08:24 PM
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Originally Posted by Jassman View Post
I am looking into these as of last week with some Arneson ASD-8's. In 07 I ordered another 43 NorTech but this time with a pair of Yanmar 480's and ASD-8's. I loved the MPG and range but could not get the top end I was hoping for..so Terry from NT sold the boat to some Rapper guy..Shaggy. He put it in the video I wanna ride...anyways, Im curious with this set up what fuel economy would be on this 39 Compmillennia vs outboards.
I think the XPower drives are a big advantage over the Arnesons. You eliminate the transmission and they don't stick out so far.

The FPT makes a little more HP than the Cummins but at 300 less RPM, but the packaging is so much better. I think from what I have seen gas vs diesel on many different boats, for about the same HP the diesels will get about 50% better fuel economy.

I suppose if you needed more HP than 550-570 Cummins would be a better choice since there are so many people that know how to add power to them.

I am on the fence also for my next boat Mercury has really done a great job with the new engines. And they are relatively cheap compared to diesels. But it is really nice to fill up in Miami drive 150 miles to the Berry Islands, ride around all week and still have enough fuel to get home. Oh and Diesel is always cheaper than gas sometimes by a lot.

My 6p's are pretty noisy but the new common rail engines are much quieter.
Old 11-02-2015, 06:47 AM
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[QUOTE=pas;8390267]I think the XPower drives are a big advantage over the Arnesons. You eliminate the transmission and they don't stick out so far. The FPT makes a little more HP than the Cummins but at 300 less RPM, but the packaging is so much better. I think from what I have seen gas vs diesel on many different boats, for about the same HP the diesels will get about 50% better fuel economy. I suppose if you needed more HP than 550-570 Cummins would be a better choice since there are so many people that know how to add power to them. I am on the fence also for my next boat Mercury has really done a great job with the new engines. And they are relatively cheap compared to diesels. But it is really nice to fill up in Miami drive 150 miles to the Berry Islands, ride around all week and still have enough fuel to get home. Oh and Diesel is always cheaper than gas sometimes by a lot. My 6p's are pretty noisy but the new common rail engines are much quieter.[/QUOUTE/.. I am not a fan of getting an outdrive without a tranny...been there done that and ruined a few long poker runs. With the long swim platform I am not to worried and Jim can modify accordingly. I have had really good luck with Arnesons in both a diesel and high HP application. I am just comparing to see if there are any benefits going diesel..and as of this morning I am leaning back to quads. Easier to work on, I can tilt them completely out of the water, power to weight ratio, more power w quads, faster top end...possible skyhook feature..just many benefits to look at.

Last edited by Jassman; 11-05-2015 at 03:16 PM.
Old 11-02-2015, 07:11 AM
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I would love to see another 33x10 lightweight well made cat hit the market.
Old 11-02-2015, 07:39 AM
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Edit: The drawing is not two guys sharing a seat! Triple seating. The helm is on center line and there is seating port and starboard. The console is 64" wide with a 25" walk around each side. The console increased in height 6" from previous builds to account for the glass screen navigation. A helm platform is elevated 6" which allowed us to make the angle you stand when running orthopedically correct and use the platform for 40 gallons of fresh water. The sight lines at the helm are splendid, both fore and aft.

The true cockpit sole to gunnel height adjacent to the helm is 32" A friend from New England fishes offshore and the pleasure craft fisherman lose a couple guys each year falling overboard into the cold water. He expressed that the gunnel height all around was "comforting".
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Old 11-02-2015, 07:48 AM
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would love to see a pic of the actual boat.
Old 11-02-2015, 09:06 AM
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Originally Posted by MakoMyDay View Post
This boat or the 40 Prowler would be awesome with a pair of 350-450 yanmars with outdrives.
I heard a long time ago that there was an early freeman 33 with a diesel........story I heard was it was very stern heavy, needed added weight in the front. Never saw it.....might not be true.
Old 11-02-2015, 07:15 PM
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Originally Posted by Riptide31 View Post
I heard a long time ago that there was an early freeman 33 with a diesel........story I heard was it was very stern heavy, needed added weight in the front. Never saw it.....might not be true.
Some cats need that weight in the stern...simply by filling their live-wells to the max to lift that bow and airing their heavy hull's out. It's called Old School. Its all about Balance... better engineering using Superior materials done in a fashion that not many know how to do nor want to spend the coin to do it correctly.
Old 11-02-2015, 07:26 PM
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Originally Posted by Riptide31 View Post
I heard a long time ago that there was an early freeman 33 with a diesel........story I heard was it was very stern heavy, needed added weight in the front. Never saw it.....might not be true.
Don't know anything about a diesel freeman but world cat had a twin diesel model with 1.7 liter diesels and it was a Maint headache and they bought them all back and scrapped them.
Old 11-03-2015, 05:02 AM
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We found that we needed to "marinize" a number of Yanmars by replacing some oil lines under the engine that you could never see again with SS steel because they rust out. We also would remote mount service items like oil filters if needed. If you want a diesel there are all kinds of packages available and they fit.

Best bang for the buck would be Mercury's 520 hp stern drive package. Cost about the same as a 350 outboard, Two year warranty and runs on Regular. Here in town, Fountain laminated 42' MTI cats and their Poker run V bottoms with 525's both would run over a hundred mph. As my Mercury customer service rep in Wisconsin would say, "Woot, Wooot!"
Old 11-04-2015, 05:58 AM
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We made most of Ray's boat from leftovers. That is a good thing for the boat. The carbon fiber console, sole and parts fwd of the center of gravity benefited. The deck cap is made from leftover Kevlar from another job and has some good vibration dampening properties. One reason "Kevlar" aka aramid fiber replaced steel belts in tires.

The last deck laminate will close out a couple square feet over the anchor roller well that allows a minimum of above deck exposure and ingress to the windlass, but a maximum of fussing with the geometry to make it work.
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Old 11-04-2015, 09:51 AM
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Originally Posted by deltarome View Post
Don't know anything about a diesel freeman but world cat had a twin diesel model with 1.7 liter diesels and it was a Maint headache and they bought them all back and scrapped them.


A few are still out there. There's one (a 270ec, link below if anybody cares) for sale in California right now... I briefly considered the costs of taking out the Volvo stern drives, closing in the transom, and putting on outboards. Decided to keep looking.


http://www.boattrader.com/listing/20...Express-658375
Old 11-04-2015, 10:33 AM
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Originally Posted by sullivan504 View Post
A few are still out there. There's one (a 270ec, link below if anybody cares) for sale in California right now... I briefly considered the costs of taking out the Volvo stern drives, closing in the transom, and putting on outboards. Decided to keep looking.


http://www.boattrader.com/listing/20...Express-658375

There is another WC here in Mexico with the same set up, and there is a 28 prowler with diesels too.
Old 11-05-2015, 03:42 AM
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Originally Posted by Otseg View Post
We made most of Ray's boat from leftovers. That is a good thing for the boat. The carbon fiber console, sole and parts fwd of the center of gravity benefited. The deck cap is made from leftover Kevlar from another job and has some good vibration dampening properties. One reason "Kevlar" aka aramid fiber replaced steel belts in tires. The last deck laminate will close out a couple square feet over the anchor roller well that allows a minimum of above deck exposure and ingress to the windlass, but a maximum of fussing with the geometry to make it work.
Jim, Well thought out and engineered. Nothing but a smooth top deck without anything to trip on. Also less drag = more speed and efficiency... MAKO, I'm starting to feel a little thirsty..
Old 11-05-2015, 01:31 PM
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2 cases of beer?
I tend to get beered out after a few
I'll bring the Crown Royal !

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