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Rusel
Post subject: Re: Rodondo's ketchPosted: October 11th, 2014, 9:49 pm
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Oh come on, the most superior marine timber in the world is Huon Pine, absolutely exquisite and completely water and worm proof.
Surely you've checked out every Tassie hull you can lay your eyes on.
Man the glow they have when oiled, sheer bliss!
The houses were around the Illawarra and Shoalhaven escarpments. Bangalay wet Sclerophyll and Red Cedar rain forest country.
Up here Plum Pine was used the same way as Huon.
All gone now, A few farmers have started some farm forestry but hundred year old trees don't come easily.
T'is a beautiful timber with soft hazel brown tone to it.
I've been reading about Buloke as it's new to me. Hardest in the world yet with only a modest density, an interesting timber indeed.
You're grandad's tree sounds a beauty. Mountain Ash maybe? You'd need one of the Botanic Garden blokes to look at it.
Might still be some fruit capsules on the ground you could use to key it out, although you probably need the flower caps as well.
I'm handy with an adze, so who knows, you're only ten hours drive away!
I'll book a ticket if you come north!


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heuhen
Post subject: Re: Rodondo's ketchPosted: October 11th, 2014, 11:20 pm
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Huon Pine reminds me a little about Norwegian birch...

http://www.mobelkjokken.no/sitefiles/si ... tonet1.jpg


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Rodondo
Post subject: Re: Rodondo's ketchPosted: October 12th, 2014, 11:57 pm
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heuhen wrote:
We have windows 98 and XP and some are using a weird OS from Biesse... Biesse probably one of the worse machines around. but we are at the moment upgrading to Bachi.

Windows 98 here, didnt know people still used in the industry it until now. Think ours is a Bieese, very old one at that.
Rusel wrote:
Oh come on, the most superior marine timber in the world is Huon Pine, absolutely exquisite and completely water and worm proof. Surely you've checked out every Tassie hull you can lay your eyes on. Man the glow they have when oiled, sheer bliss!


I had but we don't generally get much of it, biggest piece I've seen in the past three years was A3 sized, from memory its rather hard to get good lengths with little knotting in Vic, especially on the cheap. One of the best timbers though by far, especially in finished and raw appearance. Earlier this year there was a wooden boat festival in Launceston and not many were Huon, quite urprising but those that were, jut wee gorgeous
Rusel wrote:
The houses were around the Illawarra and Shoalhaven escarpments. Bangalay wet Sclerophyll and Red Cedar rain forest country. Up here Plum Pine was used the same way as Huon. All gone now, A few farmers have started some farm forestry but hundred year old trees don't come easily. T'is a beautiful timber with soft hazel brown tone to it.


I've heard its a lovely spot of the coast, sadly haven't been there yet. The Plum pine looks very smooth, I imagine great for floorboards as well
Rusel wrote:
You're grandad's tree sounds a beauty. Mountain Ash maybe? You'd need one of the Botanic Garden blokes to look at it. Might still be some fruit capsules on the ground you could use to key it out, although you probably need the flower caps as
Rusel wrote:

Sadly all that left is a slight mound raised up by the root and some bark that's yet to break down.Ironically, my uncles is the head of the Royal Melbourne Botanical Gardens and all those times we were both there under the bloody thing, I didn't think to ask :roll: I'll have a chat with both of them, that way it'll be definitive answer and I'll plant another

I'm handy with an adze, so who knows, you're only ten hours drive away! I'll book a ticket if you come north!
Certainly will give you a heads up if I do come North

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Rodondo
Post subject: Re: Rodondo's ketchPosted: October 22nd, 2014, 5:03 am
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So I tried to see about steam bending Buloke, seems no-ones attempted it (or no-one's bothered mentioning to the internet or anyone in the Victorian carpentry and cabinet business), I've heard that certain pieces will split readily but there's nothing much really about it. I figure the best option would be to increase the exposure in the steam box from the 1 hour per 1" rule and experiment with the properties of a theoretically hyper-elastic timber.

Due nature being kind, I could easily manage to get all my spars, yards and masts from one tree, specifically of the Eucalyptus Regnans, (full grown specimens seem unlikely as they continue to grow at an amazing rate, up to a meter a year, so trees that exceed 300ft are common in untouched parts of Tas/Vic and there rumours of former trees exceeding 450-500ft)

I realized my drawing was slightly "short" due to a scaling error (FD and I are not the greatest friends) so here's an updated one with some extra work of so FD'ed frame and rib drawings as well as the figurehead concept

[ img ]

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"Loitering on the High Seas" (Named after the good ship Rodondo)

There's no such thing as "nothing left to draw" If you can down 10 pints and draw, you're doing alright by my standards


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Krakatoa
Post subject: Re: Rodondo's ketchPosted: October 22nd, 2014, 5:09 am
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Your ketch is going to be a 'Dog' Rodondo?

Like most good designs yours is simple and elegant, nothing wasted.

You will have to tell us when the launching is, see if it can coincide with one of my trips over the ditch.

(Around F1 time is usually good) :)


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Rodondo
Post subject: Re: Rodondo's ketchPosted: October 22nd, 2014, 5:28 am
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Not a dog, its a Thylacine (Tasmanian Tiger/Wolf) ;) . though my two attempts to draw one on SB (the other being the HMAS Dechaineaux COA) haven't been really successfully in capturing their distinctive look

Thank-you, I will be sure to keep everyone up dated

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"Loitering on the High Seas" (Named after the good ship Rodondo)

There's no such thing as "nothing left to draw" If you can down 10 pints and draw, you're doing alright by my standards


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Rusel
Post subject: Re: Rodondo's ketchPosted: October 22nd, 2014, 10:53 am
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Please keep us informed as to how the Buloke goes. Such an interesting timber having such hardness with only midrange density.
Yes the Huon is hard to come by. Lot's of Apple Eaters tried plantations back in the 90's but not very successful and of course it really needs to be growing for 100 years plus too get the density.
Yes the Plumpine is a beautiful timber. Ive worked with it a few times over the years. Lots of people growing it and it isn't fussy. Ive a mate who sells the young ones as living Xmas trees. They fruit well too, but funny enough the best fruit I found was as street trees in Sydney near Glebe.
http://www.boatsales.com.au/boats/huon-pine
sites like this give lots of boat porn to drool over!
Will you cast the Thyle or trying carving it? Lots of frustration there I'd reckon!


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Rodondo
Post subject: Re: Rodondo's ketchPosted: October 22nd, 2014, 12:48 pm
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-Yeah, it'll be interesting, hopefully I won't have to be admitted to the hospital with shards and splinters in me. I might look at building a quality control rig. Might take a while though to squire enough as I'm scratching the ironbark sheathing as I've found it doesn't steam bend that well

-Nothing beats the ancient or reclaimed stuff, probably why there isn't many ships these days being built of it as the easy stuff to reclaim already has been.

-Ah boat porn, all the better with classic cruisers and launches

-as for the tiger, I'll probably get a slab and carve it the old fashioned way then bolt it on to the stem. Shouldn't take too much time with power tools about.


I'm seeing some notions that double planking should have one layer laid diagonally, is it solely possible just to lay both runs fore to aft?

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How to mentally pronounce my usernameRow-(as in a boat)Don-(as in the short form of Donald)Dough-(bread)
"Loitering on the High Seas" (Named after the good ship Rodondo)

There's no such thing as "nothing left to draw" If you can down 10 pints and draw, you're doing alright by my standards


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eswube
Post subject: Re: Rodondo's ketchPosted: October 22nd, 2014, 5:31 pm
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Great work! :)


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Rusel
Post subject: Re: Rodondo's ketchPosted: October 22nd, 2014, 8:29 pm
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With any multi layered armour, the layers must run in different direction to diffuse the impact forces. If everything lines up then weakspots are easier for force lines to propagate through. Its most easily seen in badly laid brick or stone work.
Diagonal planking should theoretically run away from obvious points of impact and transfer the force through multiple layers that will absorb and diffuse the force.
Ive seen test rigs of this sort of thing.
Not sure but maybe even Mythbusters tested this concept.


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