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The new compmillennia 39 cat

Old 11-05-2015, 02:21 PM
  #481  
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I don't know why you guys want all this alcohol---sounds like y'all smoke plenty crack already!

The bet is on! 2mpg@45


Kidding aside--nice progress, but we need some real pics of the boat. I'm starting to wonder if it really exists. I only see parts and pieces and prognostication.

I'm in ft laud right now and plan on meeting up with Jim tomorrow. I'm expecting a mad a scientist/Einstein looking guy right?
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Old 11-05-2015, 03:19 PM
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Originally Posted by raysmith View Post
2 cases of beer? I tend to get beered out after a few I'll bring the Crown Royal !
Perfect..Crown's my drink..I even like that Crown Apple..we were adding cranberry to that and that was good as well
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Old 11-05-2015, 08:20 PM
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You guys are killing me. 34' x 11' with 300's is what we started with.
Two sea chests, four pumps, two live wells, 5 insulated built in coolers, 100 lbs of electric reel windlass, glass screens the size of Colorado, radar powerful enough to see Colorado etc.It is a fully outfitted boat.

Need to check with Johnny Walker at Fountain to see if we can tap into Reggie's performance prop stash. We are fortunate to have a wealth of merc race boat riggers in residence. Ultimate high speed is not the goal. Having speed means you throttle back to cruise speed to use less fuel.
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Old 11-05-2015, 08:26 PM
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Late subscriber
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Old 11-06-2015, 05:27 AM
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Originally Posted by Otseg View Post
You guys are killing me. 34' x 11' with 300's is what we started with. Two sea chests, four pumps, two live wells, 5 insulated built in coolers, 100 lbs of electric reel windlass, glass screens the size of Colorado, radar powerful enough to see Colorado etc.It is a fully outfitted boat. Need to check with Johnny Walker at Fountain to see if we can tap into Reggie's performance prop stash. We are fortunate to have a wealth of merc race boat riggers in residence. Ultimate high speed is not the goal. Having speed means you throttle back to cruise speed to use less fuel.
A 31-34 x 10.6 would be a nice platform
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Old 11-06-2015, 02:51 PM
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My sketch was 32 * 10'6" so I can trailer AND get it into my boat dock: it has to be built Jim :-) - looking forward to seeing the calculations so we can hone in on the exact spec.
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Old 11-06-2015, 02:59 PM
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Oh yes I forgot: twin 250 or 300s, 300gals fuel, twin livewells, tackle/rigging station, T-top, twin tuna tubes, seachest, coffin box, storage, storage and more storage, full complement of electronics including night vision, freshwater, - good thing my crew are all lightweights so we can still get 2-2.5 at 40 - well that and Jim's awesome design and build concepts :-)
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Old 11-08-2015, 04:33 AM
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Met up with Jim at the show. Very nice fella.
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Old 11-09-2015, 06:34 PM
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Ryan it was nice to meet you and Bill too. I have high admiration for Bills boat design and boat building accomplishments over the years and especially look forward to hearing more about his Bermuda Challenge record set in his Prowler Catamaran.
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Old 11-11-2015, 01:54 PM
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Originally Posted by MakoMyDay View Post
I don't know why you guys want all this alcohol---sounds like y'all smoke plenty crack already!

The bet is on! 2mpg@45
Originally Posted by periok11 View Post
Ran the 27 yesterday still without the right props. 150 gallons fuel, 200 lbs of shit, and just me onboard.
10gph - 32.5-33 mph
12gph - 36.5 mph
I have a pair of 19" counter rotating Mercury Enertia ECO props shipping to Max to test with the 27. We could not prop the boat before full load and the T-Top were installed. We find that a few hundred hours loosens the engines up and can mean an inch of pitch.
The 27 would fit in the cockpit of the 39, but the displacement to length ratio of the 39 is less. The structural weight of the 39 is of course more than the 27, but all of the other outfitting is basically the same. The sum is proportionally less.

I had really interesting conversations with the Mercury applications engineers at the show.
Can't wait to run the boat.
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Old 11-11-2015, 03:25 PM
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Originally Posted by Otseg View Post

Can't wait to run the boat.
We who live vicariously by reading threads like this are just wanting a couple pics, It helps our day dreams.

I've read VW diesel, AGM, light weight and efficiency. I am subscribed.




David
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Old 11-12-2015, 03:45 AM
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I made several illegally wide load dump runs yesterday to dispose of limited production tools (LPT molds) we were obligated to store for two years after building the parts. (Any one in the shop who was willing to drive the load except me probably doesn't have a drivers license) I tasked a crew to organize one of our buildings this week to make a shop for final finish.

Will plan to pull the boat out from the main shed for a picture before thanksgiving.

We have the 350 Verados in hand and will do a pre fit before final finish and rigging.

I have had about $300 dollars of fittings for the sea chest and bait-well plumbing on my desk for a couple weeks and have been mixing and matching to simplify. I get a credit at Port Supply for every one I moved to the no go side of my laptop.. :-) Right now, not including the 4 pumps, the sea chest assembly is less than a few pounds each side. Only could be lighter if we used a bucket. May not take a picture of that!
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Old 11-13-2015, 05:10 PM
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Cutting the P.O for electronics Monday. Note to self; "Must have console completed".

Certainly our molded T top pipe to console interface is a wee bit more work than dropping the boat off at the pipe welder for a bolt on solution. When each poling platform on the flats boats I used to build had four 1/4-20's for each leg, I had my own die made to make a special isolating bushing the fit the countersunk holes in the base pads.

It solved the SS to Aluminum corrosion issues but now I don't like to see any fastenings at all if possible.

Note to self; "Exception, use six big ones to hold the 350 Verado's to the transom".
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Old 11-23-2015, 08:55 AM
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Guys and Gals have been bugging me for another pic of the fishing cat. Here you go.

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Tuesday and Weds we have a hull mold coming for a new 44 and some housekeeping and re-purposing work shop space. Its all hands to prep Rays Cat for some paint before the Thanksgiving Holiday, and when the dust settles, to have our "Top Gun" paint over the weekend.

Fabrication continues on the T-Top and seat-cooler-tackle-bait prep center.

Hey Guys, lend me a finger to move the Top.
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Old 11-24-2015, 07:09 AM
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My buildings were the original "Lowes" building supply in North Carolina, and clear span was not in the vernacular for Eastern Carolina at that time. I was told that the roof trusses were built in place on top of the walls by guys working from ladders and scaffolds as was the custom before the advent of mobile cranes. The brick and block was made on site, and we use the two 90' kilns for storage. That said decent photos are hard to take at the moment but tomorrow we expect to place the boat on a cradle to roll it around as needed. Photos really will be forthcoming.
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Old 11-24-2015, 11:05 AM
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Jim that is one great looking ride even from that angle. Really looking forward to seeing the full set of pics
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Old 11-24-2015, 01:30 PM
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how are you securing the pipework to the deck? Will you be welding pads on to the legs from inside the console? Looks really slick (just like everything else about this build.) Impressive.
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Old 11-24-2015, 05:05 PM
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a hull mold coming for a new 44......
Like the way you slid that in there
Typo? 34? Do tell.

39 is shaping up nicely. I need to get down there for another look before it's gone.
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Old 11-24-2015, 05:35 PM
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Man, those are sweet lines. Does the inset running the outside length of the hull have a purpose or just for aesthetic value? Looks like you filled and faired the joint between the cap and hull?
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Old 11-24-2015, 06:06 PM
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Originally Posted by Lazy Bones View Post
how are you securing the pipework to the deck? Will you be welding pads on to the legs from inside the console? Looks really slick (just like everything else about this build.) Impressive.
Our goal was to eliminate welding. Its been a loooong time since I have built an aluminum boat, but the hoops we had to jump through prior to welding included an acetone or lacquer thinner wash to clean the weld area, and then a thorough wire brush of the joint before welding. On thicker metal it included a preheat or a lead in starting away from the joint as a preheat. While 5000 series aluminum are the marine metals of choice for hulls, the pipe for T-tops is a 6061-T6 which is heat treated. For the cosmetic welds in T-tops and towers, the fabricators probably never solvent clean the metal and definitely don't wire brush. The heat from welding anneals the aluminum at the joint and its strength at the weld is reduced 80 %, which comes back some over time. The pipe is generally welded to to a pad which is bolted to the boat with (4) 1/4-20 SS machine screws, with its own corrosion issues. The fabricators from experience have learned to brace the the structures plentifully. Many a poling platform have I purchased and installed on my flats boats, and two skiffs having been run over by a big boats, and one hitting an eagle ray at 50 mph, as the platform departed the welds failed leaving the pads bolted to the deck which was a thin laminate over foam core.

To answer your question, think about how you pick up a six pack, or better yet a bowling ball. The legs are socket-ed into the console several feet at divergent angles, and like tent stakes in the ground cannot lift out. Well that's the plan, and we looked to do something special. Nothing ventured, nothing gained, or In my mind, nothing ventured, nothing lighter but stronger.
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