Calcutta 36’, birth of a CRABBER
#1
Admirals Club 

Thread Starter

My brother is a commercial Stone Crab fisherman. https://flstonecrab.com He loves cat boats and took a gamble at building a new boat. Boat hull is a 39 Calcutta, Calcutta I believe bought the molds from another company originally. Boat LOA is actually 36’x14’. Hull was purchased from Steve @ Calcutta.

Hull only, needed to be built/finished. Deck material, he went with coosa board with extra reinforcement in the deck to handle 20k lbs + for the weight of gear.


Twin 150 gallon plastic gas tanks were installed prior to installing the deck. Boat from the factory was designed with I/O’s. So the transome had to altered to accept the largest porta bracket they make.


Hull only, needed to be built/finished. Deck material, he went with coosa board with extra reinforcement in the deck to handle 20k lbs + for the weight of gear.


Twin 150 gallon plastic gas tanks were installed prior to installing the deck. Boat from the factory was designed with I/O’s. So the transome had to altered to accept the largest porta bracket they make.

Last edited by Buttapollock1010; 10-06-2020 at 06:09 AM.
#3
Admirals Club 

Thread Starter

To give a size comparison, childs freshwater pool, other pic is a roughly 400+- traps on pallets.
i was recently at the invincible factory and walked on the new 46 while it was being built. You could put the 46 inside this boat.

i was recently at the invincible factory and walked on the new 46 while it was being built. You could put the 46 inside this boat.


Last edited by Buttapollock1010; 10-05-2020 at 11:06 PM.
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#5
Admirals Club 

Thread Starter

Boat handles the weight decent. Adds about 1-1.5’ to the draft when fully loaded.

The boat rides very well. It is not a speed demon by any mean, currently tops out at roughly 40 mph at 5500 rpm. Still playing with props so hopefully 42-43 mph will be final WOT. I drove the boat the other day in solid 2’ conditions handled like it was nothing. Boat will stay on slow plane at 14mph. At 24-26 mph was getting 1.31-1.4mpg.

The boat rides very well. It is not a speed demon by any mean, currently tops out at roughly 40 mph at 5500 rpm. Still playing with props so hopefully 42-43 mph will be final WOT. I drove the boat the other day in solid 2’ conditions handled like it was nothing. Boat will stay on slow plane at 14mph. At 24-26 mph was getting 1.31-1.4mpg.
Last edited by Buttapollock1010; 10-05-2020 at 11:17 PM.
#6
Admirals Club 

Thread Starter

this is the hull that was sitting at the factory for a while. Maybe Steve can state if this is true or not but believe this hull was originally going to be built for the owner of the new 48. They realized the 39 was too small for the options/features the owner wanted and designed the 48.
#7
Senior Member


That is crazy and goofy and I love it!
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#11
Admirals Club 


Damn Robert. I can't wait to see that thing. I bet the stability will be welcome on those rough pulling days. That may be the first ever cat stone crab boat.
#12
Admirals Club 

Thread Starter

As I get older I appreciate the nice ride, but my heart still wants to do 100! Whole reason for the boat was for a good ride.
#14
Senior Member

I remember when Ted started running the aluminum barge in the background and I thought that thing could carry a bunch of traps.
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#15
Senior Member

Love it! Stone crabs are my favorite and Calcutta is 20 min from my house.
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#20
Admirals Club 


That thing looks crazy light. I have hull #1 of that boat and from the looks of the tunnel, that thing sits about 5k lbs lighter than my rig. I've loaded mine to over 25klbs for a long trip and it did fantastic. Also, still plenty of tunnel exposed so we weren't overloaded at all. It still planed off at about 16knts. On a 1200nm trip, we burned an avg of 1nm/gal. We hit some 5-6' seas 200nm from shore and it never ever felt uneasy. In fact it rode better with weight.
On often overlooked performance feature of that boat is it's ability to plane at a low speed. Many 35-45' center consoles either go slo or fast. In between, you get your teeth kicked in. On that trip, we turned straight into 5-6' seas with 200nm to our next stop, put autopilot at 18knts and kicked back sipping cold ones. To this day I thank God we didn't start that leg in a boat that forces you to go 30knts.....
Congrats on the build, it will do great for you guys!
On often overlooked performance feature of that boat is it's ability to plane at a low speed. Many 35-45' center consoles either go slo or fast. In between, you get your teeth kicked in. On that trip, we turned straight into 5-6' seas with 200nm to our next stop, put autopilot at 18knts and kicked back sipping cold ones. To this day I thank God we didn't start that leg in a boat that forces you to go 30knts.....
Congrats on the build, it will do great for you guys!