I provide J-Boat frames based on the lines drawing from "The Book". The layouts are easier to build and with the t-rails that makes the set up and planking much easier. The J-Class 104", 60" and 48" sizes are available. The 104" hull is deepened 2" below the scale design per AMYA J-Class rules. The 60" is deepened 2.5" and the 48" is deepened 3" to improve stability. The keels can be widened to allow internal ballast to be concentrated much lower in the hull. The maximum allowed for the J-Class is 1 7/8" outside dimentsion. The 60" J-Boat maximum is 1 1/4".

The 48" Endeavour I frames with 3" deeper keel are $175. I also offer Endeavour II frames with t-rails like the Endeavour I frames. I have one set of 48" 'to scale' of Endeavour I frames that match the lines from "The Book" for display models for $135.