Re: Morbic 12

Posted by Timmo on
URL: http://uk-hbbr-forum.61.s1.nabble.com/Morbic-12-tp4030796p4031253.html

Re the choice of Douglas Fir...

I'm in the process of working on spars for my Ilur. Am regretting the decision to use Douglas Fir (sourced from a timber yard near Deddington, Oxfordshire) for mast boom and gaff.

As an aside... the wood stove over which the rudder blade is hanging is not lit!

I think it's the combination of Douglas Fir's wonderful propensity to create splinters and the fact I've used the birdsmouth approach The mast is monstrous compared with my previous builds and a solid one would have weighed a ton. Because I've reversed the staves in the birdsmouth and mixed the grain around for strength i'm now at the stage where whichever way I plane it the plane digs in at some point grabbing a big chunk and making a hole. It's going to be sanding marathon instead. 

Wish I'd gone with Sitka Spruce.

I did experiment:

But it was a bad idea for many reasons. Main one being that the roller steadies in the middle and far end require the spar to be perfectly round or the spar just bounces around. And I could not get them sufficiently perfectly round.

But if the spar's going to be solid... Douglas Fir if knot free (reference Richard's experience of mast breakage.)

Back in the UK again now so they'll be no more work on her till after Christmas.

As ever the prizes for progress go to Graham and Richard.

On 30 Nov 2019, at 18:07, Port-Na-Storm [via UK HBBR Forum] <[hidden email]> wrote:

So, since turning the boat over I have been North to the Land of the Midnight Scone to tuck the relatives in for the long dark night of winter.
On returning home I have discovered that my Epoxy has almost solidified.
It has crystalized to the consistency of thick Slush Puppy and well beyond the point I would be happy to use it until remedial action has been taken.
I'm using MAS epoxy instead of my usual stuff from UK epoxy and haven't had this problem before.

I read that I need to heat it up in what chef's call a Bain Marie and you and I might call a pot of water until it reaches approx. 120f.  Agitating all the while. I'm good at that.
Right now it's basking in the warmth of the airing cupboard.
Any hints and tips welcome, unless they involve the microwave.

Meanwhile I need some timber for the fit-out and it would seem prudent to order up the stuff for the spars at the same time to save on delivery charges.
I'm thinking of my usual Douglas Fir for the spars and the few bits of trim.
The rest will be "Workboat" finish as I'm a bit hard on my possessions and have definitely decided to leave the varnish in the tin.

Where do you folks source your timber?

The end result will hopefully look a bit like this photoshopped version.





 

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