My Kiribati 36 MK2 – Build & Cost Tracking of a DIY ‘Bluewater’ Aluminium Monohull Yacht (Part 18) | Keel Housing

Build Plans Available Here: https://bgyachtdesign.com

Foreword

Welcome to my Kiribati 36 DIY build journey. A 36′ Aluminium ‘Bluewater’ sailboat with twin rudders and a retractable keel. After completing a global circumnavigation on two wheels (See: Blog | YouTube) I now set my sights on doing the same by water. My hope is that the build, cost tracking and lessons learned will aid aspiring boat builders in their own quest. Please know the following:

  • I have no affiliation with the company selling the boat plans, in other words, my words are my own. I am however affiliated with Google AdWords in the hope that any revenue made will assist towards the completion of this project.
  • In the event of me deviating from the original build plans, adding my own parts, or amending parts then this is highlighted in the articles with ‘** Note‘.
  • An up-to-date parts/article Index (including total expenditure) can be found: HERE
  • Feel free to ask question via this blog, YouTube comments, or email: kiribati36 @ modularhippo.com – My aim is to respond to all questions within 24 hours.

Index

Build ProgressCost TrackingLessons LearnedRelated Links

Build Progress

Cost Tracking

2 x Keel Pivot Holder Support – B08-8 788x96x8mm AL-5083-8 (breakout material)£46.08
1 x Keel Box Side Left – L19B-12 1083x412x12mm AL-5083-10 (breakout material)£179.43
1 x Keel Box Side Right – L21B-12 1083x412x12mm AL-5083-10 (breakout material)£174.99
1 x Round Keel Side Lid – L20-10 Ø100x10mm AL-5083-10 (breakout material)£7.34
8 x M6 22mm A4 SS Allen head bolts (for keel box lid)£3.66
1 x 130×130 gasket material (2 mm thickness)£8.18
8 x M6 nylon washers£2.71
8 x M6 A4 SS washers£4.93
1 x (AL-5083-10) – Keel Box Bow (head) Short side – L18-10 – (breakout material)£122.67
2 x (AL-5083-10) – Two Small Keel Box sides – L22-10 – (breakout material)103.87
2 x (AL-5083-10) – Cradled shelf for Pivot Stop Support Rod) – L30-10 – (breakout material)£26.08
4 x (AL-5083-10) – (Cradled sides for 2 x shelf for Pivot Stop Support Rod) – L31-10 – (breakout material)£18.64
2 x L26-10mm (Aluminum 5083 – Starboard & port side keelbox ledge lip) – (breakout material)£197.16
1 x L27-10mm Aluminum 5083 – (Upper aft keelbox ledge lip) – (breakout material)£6.41
1 x L24-10mm (Aluminum 5083 – Lower aft keelbox box short side) – (breakout material)£27.51
1 x L25-10mm (Aluminum 5083 – Upper aft keelbox box short side) – (breakout material)£53.64
2 x Port & Starboard Keel box sides – (break out material)£1,271.59
1 x Keel Box Lid – 6 mm Aluminium 5083 – L28-6 (Wider lid) – (break out material)£83.95
1 x Keel Box Lid – 6 mm Aluminium 5083 – L29-6 (Thin Lid) – (break out material)£61.46
50 x M6 x 30mm Allen Key Bolt A4 Marine Grade SS – (Material)£8.57
100 x M6 6mm / 12mm / 1.2mm White Plastic Spacers – (Material)£3.79
100 x M6 Marine Grade A4 Stainless FORM A Flat Washers 316 – (Material)£7.06
50 x M6 Stainless Steel A4 Marine Grade SS Nyloc Nuts – (Material)£5.70
https://www.oanda.com – GBP to USD Conversion: 10.11.2022

Tacking the Upper Bearing Assembly to the Keel Housing (later had to be undone as was done prematurely (parts need chafing in areas for lower weld) – (External Labour)£30$38.19
Welding Upper Bearing Assembly and supports to the Keel Housing – (External Labour)£280
Welding 2 x Cradled sides for 2 x shelf for Pivot Stop Support Rod- (External Labour)£20
Welding 2 x Large Port & Starboard Keel box sides to aft 2 x Short Sides – (External Labour)£90
Alignment and weld of Keel box end plate and two keel box bearing side plates – (External Labour)£140
Final Short Side Weld of Upper Bearing Assembly to Keel Housing side – (External Labour)£30

1 x 6 Piece Hollow Punch Set (6mm holes in rubber seal gasket)£3.70$4.71
1 x Extra Long M6 100 Tap (for cap threads)£8.11$10.32
1 x Carbide Rotary File Milling Metal Grinding Cutter Burr-Head Drill Bit 6mm-Shank (corner weld sanding)£4.97
1 x LARGE 1/2″ DIAMETER OVAL CARBIDE MILLING BURR – 6MM SHANK DIE GRINDER TOOL SE5 (corner weld sanding)£7.99
1 x Silverline 260W 13mm Power Belt File Sander + 22 Asstd Grit Belts (corner weld sanding)£51.99
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Lessons Learned

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