Daggerboard Plans – TE-30




Daggerboard to suit 30ft catamarans

Dramatically increase your cat’s performance, replace the original two boards with one large daggerboard. Ideal for new builds or, as a retrofit to an existing cat on your next haul out. Price in USD.

Main dimensions

  • Profile – NACA 63-012
  • Height = 4.3m
  • Chord = 1.05m
  • Thickness = 128mm

Install on inside of hull ideally behind the main bulkhead, behind the mast. The board glides on nylon bearings. It can be raised and lowered under full sail. You won’t recognise your boat once you get back in the water.


The download for these full-plans will include most, if not all of the following documents, similar to the TE-40 plans with many pages, of drawings, documentation with explanations, and full-scale plots – all in PDF format. CNC files are in dxf format and will be bundled together in one zip file.

  • 1- Welcome_TE-30_v1.2    (4 – pages)
  • 2- Materials List – TE-30   (2 – pages)
  • 3- Build Notes_TE-30   (8 – pages)
  • 4- Installation Drawings (examples)    (8 – pages)
  • 5- Photo Gallery – TE-40/30   (5 – pages)
  • 6a- Elevation Drawings_Dboard   (3 – pages)
  • 6b- Elevation Drawing_Case   (11 – pages)
  • 7a- Template Drwg Dboard(main)_TE30   (17 – pages)
  • 7b- Template Drwg Dboard(taper)_TE30   (10 – pages)
  • 7c- Template Drwg Case_TE30   (4 – pages)
  • 8a- Plot Drwgs Dboard Ribs_(main)_TE30_A4    (6 – pages)
  • 8b- Plot Drwgs Dboard Ribs_(taper)_TE30_A4   (24 – pages)
  • 9a- CNC-Layout (all)_TE-30   (8 – pages)
  • 9b- CNC_Cutting files_TE-30   (zip file)

All drawings are vector PDFs. Zoom in without losing detail. Work directly from a tablet or laptop, or print on regular A4 paper.

To purchase with credit card – click “add to cart”, then “proceed to checkout”.

Enter your name and email address. Credit card details go directly to the payment processor – Stripe. No card details are seen or stored on this website. (Note – the name entered doesn’t need to match the name on the card)

On payment, you will receive an email with download links to all the files. (check your spam folder if not). The download links will also appear on this webpage after payment. You can download the files multiple times. Any problems—email [email protected]

Plans–conditions of sale