November at the Studio

Progress on mkII Deer Isle Koster

The new KDI kit in CAD file view

Files and plans are in the last week or two of development for the KDI, mkII. I am taking orders for kits and plans. There are four excited builders waiting for them to arrive. Won't you join them!?

Many want to know the changes from MkI. Mainly, the boat has been brought back up to the original 5'10" beam that Bruce drew on the original KDI's. Another change is that the nearly flat garboards and solid wood keel have been replaced by a piece of 3/8" plywood and the first two planks. The joints are glassed and the bottom sheathed (see hatch markes in picture below). This will make building simpler and alow the builder to make a very durable bottom for beaching. The mk II wll be roomier inside and I expect it to have faster off-wind speeds. The specs for the new KDI are below.


LOA 14'

BEAM 5'10"

LWL  12'5"

Beam WL 51 1/4"

draft 5"

Displace. 595 lbs

Sail area 97 SF

Design Projects

Sponsorship and Commission Opportunities


A new approach to getting projects funded and delivered is through a model sort of like crowdfunding. A design project is any boat design that is either started from scratch or a project where an existing design (that has been built) is reworked or it may be a boat that has been design but not built which needs further development.

The KDI has been crowdfunded for this Fall...a number of sponsors pay into the project and receive the plans for free and a discounted kit. I benefit from having paying work, We all benefit by having the work get done! 

The hull lines for the new KDI sketched out.

Another design project is the Drake Raceboat. It has never been built, but needs sponsorship or a commission to finish the speculative work that I have started...a 3D hull model. Further work to do is to build a hull model,  finish designing the interior, create cutting files and draft the plans. The Drake Race is all about speed and efficiency but retains the seaworthy faering-esque hull.

The Drake Raceboat has been modeled in the computer but that is it until sponsorship comes along.

Another design project is the Caravelle Skiff. It has been built a few times now, but soon a sailing model will be launched and from those sea trials a set of revisions will me made (I will call it a mk2 model) and the plans and kits will be delivered to those who preorder kits. I am looking for a few more preorders. A gent in NYC will cartop his skiff to all sorts of places around LI Sound for sailing and rowing.

Lastly, an example of a scratch design project is my brief detailing what I will likely call the Calendar Daysailer, which is actually the precursor for the sail-and-oar boat the Calendar Islands Yawl. This new boat model will be 90% daysailer with water ballast and a motor well and a lot of space for 4 people to go out sailing. 

Contact me at boatkits@gmail.com

Deer Isle Koster "KDI" Kit Version

Hull #3 of the KDI will soon be cut on the CNC machine and built. The computer model is a refined version of the first two built out west for designer Bruce Elfstrom. The modeling was done in collaboration with 3D CAD extraordinaire, Dan Clarke.

We will keep folks posted as the first kit version is cut, built, and released to the market sometime this Fall.

A trip to sail the Deer Isle Koster aka, "KDI"

The Deer Isle Koster is a new kit that will hit the market by November. We are very excited about
this addition to the catalog. I finally had a chance to sail with the designer, Bruce Elfstrom, at his summer camp on Deer Isle in Maine. Bruce designed these boats for his daughters to sail. It is always wonderful to visit the provenance of a great design and to sail with the designer!

I was most struck by how high the KDI pointed sailing upwind. The foils and jib headed lug rig are very effective. I was also struck by how nicely the helm balanced and, overall, how easily she sailed. I was most satisfied about this last point because this little boat will make a great boat for introducing children to sailing small boats.

Both well over 6' and 200 pounds (I will not go into specifics!), Bruce and I had plenty of room in the cockpit with room for kids and under deck places to stow snacks and other gear.

We are currently finishing the 3D model work which will be used to make the 2D parts that are cut on a CNC routing machine and become the basis for the complete kits. To learn a ton more about how this works please read a PDF about boat kitting.

Also feel free to visit the WoodenBoat Forum thread on the KDI.