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The new compmillennia 39 cat

Old 04-15-2015, 11:19 PM
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Default The New Compmillennia 39' " Light Speed 1188 "

I have been working with Jim Gardiner of Compmillennia on the design of a fuel efficient offshore catamaran. That is a serious fish and dive boat that will still handle the sand bar keeping the wife and kids happy
And Construction has commenced !!
Dimensions are 39' long 12' wide beam
She will be powered by 2 of the new Mercury 350 hp Verado's in warm fusion white
Performance goals are a 45 mph cruise at 2 mpg.with a decent fishing load
Expected Top end speeds in the high sixty's she will also plane on one engine
400 gal fuel capacity in 4 tanks
This boat will be built with the best of the technologies that are available, vacuum bagged, infused, temperature cured ,composite, Kevlar, the list goes on.
This is a center console design with a walk thru transom wide enough for a wheel chair to pass thru.Their will be an extended dive platform between the engines , although their will be no engine wells everything flat same level.
Expected weight ready to fish is 11750 lbs with an 18" draft, their will still be 12" of air gap between the water and the top of the tunnel
Dual 400 gal fish boxes,large coffin box to accomadate twin lounger's to keep the girls happy
Flip down single seats along transom, Three across Llebroc seating at the helm
Two flip down seats forward desighned for 2 people each
Raised casting platform approx. 12" above sole 12" plus wide gunnels
bow area approx. 42"deep x 10' wide big enough to throw a cast net from.actually 2 at a time
mounted under deck EZ Anchor puller winch with free fall completely hidden with 900 + feet of dyneema 5/16 anchor line,25' stainless chain and a Rocna anchor
This hull design is a stepped, air entrapment, pad bottom catamaran
Full Raymarine system 2 GS165 glass screens cp 370 and cp100 auto pilot mercury 7" vessel view 12 kw open array separate key pad for the touch screens 52" curved light bar all LED lighting 30-40 rod holders and at least 20 cup holders mite add more
its getting late gotta save some for the next post Cya

Last edited by raysmith; 11-30-2015 at 01:32 PM.

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07-05-2017, 08:37 AM
Otseg
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Originally Posted by Bullshipper View Post
The fact that this huge hull loose 30% of its fuel economy with a load is a shocker.
With a modest fishing load 1.6 to 1.7 mpg was achieved.

I ran some numbers and the additional weight of a full load is 69% more than the base equipped boat. If you are dropping to 1.4 mpg, then (.3 /1.7) that would be 17.6% less fuel economy. It is a shocker the reduction is not more?

Originally Posted by Bullshipper View Post
Do you specialize in offshore wedding receptions?
Yes we do.
Old 04-16-2015, 02:07 AM
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I'd love to see this thing done!
Old 04-16-2015, 03:34 AM
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This is goin to be bad a€&s
Some draws please

Lots of new big cats coming out.
Old 04-16-2015, 03:37 AM
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pretty much what described there is the perfect boat. space, mpg, speed, seats... i'd be interested to see some pics.
Old 04-16-2015, 03:38 AM
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Wow
Old 04-16-2015, 03:45 AM
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Subscribed! Things are getting interesting in the cat world!!
Old 04-16-2015, 04:31 AM
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11,750 pounds how? Bare hull, deck & console? Complete boat minus power? As a turn-key boat, or?
Old 04-16-2015, 05:01 AM
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39' cat that can plane on a single 350, and do in the 60s on twins............WOW
Old 04-16-2015, 05:15 AM
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Originally Posted by kitebuz View Post
Subscribed! Things are getting interesting in the cat world!!
X2
Old 04-16-2015, 05:18 AM
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Have my doubts about planning on one engine, especially with a load. Cant wait to see it built though.
Old 04-16-2015, 05:22 AM
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Now that this cat is finally out of the bag, keep the updates photos and details coming.
Old 04-16-2015, 05:28 AM
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subscribed
Old 04-16-2015, 05:35 AM
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their will still be 12" of air gap between the water and the top of the tunnel

Is that enough clearance?

The walk thru transom sounds really cool.
Old 04-16-2015, 05:46 AM
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Originally Posted by bluewaterseeker View Post
their will still be 12" of air gap between the water and the top of the tunnel

Is that enough clearance?

The walk thru transom sounds really cool.
Probably a little misleading
This 12" air gap is measured at the transom calculated at a 11,750 lbs displacement which is heavy to med heavy load based on the weight of the 39
This type of construction utilized in the build will yield a 3500 plus pound savings over conventional construction methods
Old 04-16-2015, 05:54 AM
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Originally Posted by raysmith View Post
Probably a little misleading
This 12" air gap is measured at the transom calculated at a 11,750 lbs displacement which is heavy to med heavy load based on the weight of the 39
This type of construction utilized in the build will yield a 3500 plus pound savings over conventional construction methods
Yeah, that make more sense. The air gap increases as you move forward to the bow of the boat. Plus when the boat is on plane the clearance increases even more
Old 04-16-2015, 09:54 AM
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Subscribed!
Old 04-16-2015, 09:59 AM
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I agree, the clearance of 1 foot seems very short for a vehicle of that weight at that speed to eat a big one. It would likely either break in two on the spot or cartwheel, or submarine and break up.

Compare it to a Freeman and you will see the ultimate high speed cat for big waters.
i will be watching this attempt with great interest.






Originally Posted by bluewaterseeker View Post
their will still be 12" of air gap between the water and the top of the tunnel

Is that enough clearance?

The walk thru transom sounds really cool.
Old 04-16-2015, 12:37 PM
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39 x 12 and winning 45mph @ 2.0 mpg w/ 350 x 2? I'm interested. Skeptical, but interested.
Old 04-16-2015, 12:50 PM
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Originally Posted by Warlock View Post
I agree, the clearance of 1 foot seems very short for a vehicle of that weight at that speed to eat a big one. It would likely either break in two on the spot or cartwheel, or submarine and break up.

Compare it to a Freeman and you will see the ultimate high speed cat for big waters.
i will be watching this attempt with great interest.
From your comments about cartwheeling or submarine and break up, you may be confusing clearance at the bow rather than clearance at the rear of the tunnel. I doubt Freeman, Prowler or any other fishing style cat has 12"s of clearance at the rear of the tunnel.
Old 04-16-2015, 01:18 PM
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Edit due to double post.

Last edited by MakoMyDay; 04-16-2015 at 02:01 PM.

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