Friday, June 19, 2020

Didi 40cr2 Kit from Exocetus Marine

Exocetus Marine in UK develops and supplies kits for our radius chine plywood catamarans, with kits produced for the Dix 470 and DH550 cats. A kit is currently in development for the new Dix 430 catamaran. The kits are very comprehensive and can be customized to each customer's needs, from basic bulkhead kits through to inclusion of whatever equipment and materials the particular builder would like to be delivered in the shipping container with the pre-cut plywood and other timber.

I have written about the Exocetus Marine kits in earlier posts on this blog, from when development first started in 2012. They have come a long way since then, under the expert hand of owner Kevin Bream.

CNC Kits for 47ft Plywood Catamaran
Dix 470 Catamaran Kit Build in UK
Kit-build Dix 470 Plywood Catamaran
Plywood Catamaran Kits
More About Plywood Catamaran Kits
DH550 Kit Shipped to Southern Africa
Dix 430 Catamaran

The DH550 catamaran "Valerie", built in Durban, South Africa, and in charter service in the Seychelles, was built from a very comprehensive kit supplied by Exocetus Marine, which included solid timbers, epoxies, engines, hardware, electronics, porthole frames etc.
DH550 charter catamaran "Valerie".
The Dix 470 catamaran "Marram", being built in Australia, is a big amateur project. The components have all been cut from CNC cutting files developed and supplied by Exocetus Marine.
Dix 470 "Marram", a husband and wife amateur project.
Exocetus Marine is now expanding their range in a new direction. This harkens back to my origins in radius chine plywood designs with my Didi 38 prototype "Black Cat", which has spawned a large and expanding range of designs from 15ft to 55ft, spanning both monohulls and multihulls. The Didi 38 design itself expanded to the Didi 40cr and, most recently, the Didi 40cr2. It is the Didi 40cr2 that is the newest project by Exocetus Marine.
"Passion X", prototype of the Didi 40cr2 design, built as an amateur project in Australia.
As with their catamaran kits, Exocetus is developing a very comprehensive kit for this first expedition into monohulls. In doing so they have transformed my CAD drawings into a complete 3D model before extracting the components for cutting by CNC then testing for accuracy of build. In doing this they are building the boat as well, enabling preparation of complete building instructions to guide those who will follow to build the Didi 40cr2 for themselves.

These photos are a few from the build record to date.
Bulkhead example, with jigsaw joints, doublers fitted around stringer slots.
All parts are referenced for identification and assembly instructions.
Bulkheads set up on the building stocks.
Cockpit structure installed, bracing the whole structure.
Backbone with bevels and scarphs pre-cut.
Pre-cut opening for propeller shaft log.
Laminated keel floors.
Keel floors installed through backbone structure.
Stringers being installed. This is a tangent stringer, with a doubler on the outer face for joining the radiused skin above the stringer to the flat skin below.
Hull side panels jigsaw-jointed at ends of sheets.
Example from the interactive building manual for the DH550 catamaran. A similar manual will be supplied with the Didi 40cr2 kit.
Check back to this blog occasionally. I will update here on progress of the kit development and the construction of their boat.

For more information on our designs go to our main website or our mobile website.

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