Keel Bulb

 My plug half came from Dan hull 20

My dad made up the box to hold the concrete, he smoothed off the plug as it had few dents in it.

We half filled the mould with a mix of mortar I had lying around from house building projects,  we covered the plug in hair wax/pom to protect the plug.  Once half full we screwed the plug into the mould.  Once the mould was full we tapped the sides and plug to try and remove any air bubbles.   

After 24hrs the plug was easily removed with no damage, there are a few air voids but nothing that can’t be filled or ignored.    We will leave it set for several weeks. 

November 2022

Made melting pot/crucible out of a old propane (LPG) tank. 

Removed valve, let stand for a week, put in fire pit till paint changed colour, cut opening in side, scavenged some pipe and bed rail for handles, cut base to to give a place to weld handles on. 

December 2022 

Purchased Lead from local scrap dealer, mostly unused sheet lead for flashing on roofs.  

To seal the mould i used 3 coats of water glass sanding between coats to try and smooth it out.  DO not do this.   See why below.   

I cut the lead up into more manageable pieces to go into the crucible and to make getting equal weights for both pours.  In the end I had 75kg for one and 74kg for the other, I figure with the goal weight being 72kg that should be close. 75KG was suggested by Peter K and Dan T. 

Once in the tank I melted down one batch, I wanted to check how it would react once liquid hanging under  the crane and that it would all fit, surprising how little room 75KG of lead takes up once its melted down.  

December 31st I the shop to my self and was able to set up the mould and crucible, 

I levelled the mould and melted the lead, using two propane tiger torches and a oxy/acetylene torch with a rose bud tip, the oxy runs hot so you have to keep moving it around.   

Once melted i dropped in 50grams or so of paraffin wax to flux/clean (do some thing)  apparently when the wax lights on fire it helps to draw out contamination from the lead.  There was more dross floating after the wax I presume it worked. 

Transom Layout

https://youtu.be/cVDs2WrUOvY

Haven’t posted much to the blog as it’s all pretty repetitive at the moment but I wanted to write something about the transom so I have a record of it. 

This is Pete’s boat Origami on the trailer on the way back from France may 2022.  He has all the elements I will likely have on mine so it’s a good clean reference versus the boats with all the parts attached.   

This is my transom after cutting out the holes and adding supports.

Main Drain holes are 100mmx75mm 

Secondary Drain holes are 100mm x 50mm the top

Of the hole is 295mm from the cockpit sole,  there is I think 60mm between these holes.  

There is two 50mm round holes that will be for the bilge pump out put, they will be 40mm once finished. 

There is two 50mm x 20mm cockpit seat drain holes.  

 

For support for the ladder, outboard, running back stays I have added in additional support. I have also filled the very bottom area as it is not accessible and is a good place for water to sit.   I’ll have a to take a photo I do not have one with all the components in it. They are all visible in the tube video.  

DeWalt RAS 56/57

 Using this to show photos of RAS set up.

Model GWI 

REL NO 5

Serial Number 172129 

Year 1956/57 ish

The Minimum Required Blog Posts #themusts

 1. Making frames.

2. Setting up fames and stingers.

3. Hull plating

4. Hull epoxy sheeting and fairing.

5. Roll hull and Deck plating/Glass-fairing.

6. Internal plywood fit and crash box.

5. Keel floors.

6. Weighing hull.

7. Rudder construction. Gudgeon/pintle and all chain plate fittings.

8. Keel construction and weighing.

9. Companionway hatch, Watertight doors and deck hatches , vents and windows.

Companionway way hatch - Clue marine 500mmx700mm 

D1 hatch - Clue marine 500mmx700mm

Air circulation hatch aft of mast - Clue marine 

Main forward deck hatch -  lewmar 50 

10. Mounting of Handrails, pushpit/pulpit, Bowsprit, safety harness attachments and towing bow bollard including backing plates.

Winter Workshop

 

24/12/2021 - Spent the afternoon of the 24th moving some storage items to make room for a layout and work area.  Hung a couple of lights as it’s pretty dark back in this corner of the shop.  The ply to make the bench tops came with the cnc parts and the lights are used from one of our buildings (install is not to code) 

Plywood is in the house

 Plywood turned up whilst I was working out of town, just in time for Christmas :).  On pallet was 9mm plywood, Douglas fir CNC parts and Purple Heart for keel.  

The plywood, Douglas fir, CNC cutting and Purple Heart is all from west wind hardwood https://www.westwindhardwood.com/custom-milling/

I’ve knocked down the pallet, next will be sanding, trimming and sorting. 

Plan is to seal all internal wood before assembling anything.  I know this is the most efficient method but seeing all the parts it’s very tempting to pick out the bulk head pieces and start on them.  I will sleep on it. 

Purple Heart for keel 

Douglas Fir 

Plywood (zoom in for detail on maker and size)

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