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thanks mate, but not doing to much milling these days with the mill, I have trouble starting the big beast :roll:. Mind you those logs look more like a decent bandsaw job.



I could perhaps...

I use the red stuff from Bunnies all the time and never had an issue.

I do wipe down with metho before casting and use another brand of resin though

I have a number of pots, an old 10 litre cast aluminium (that I do worry about fatigue, so rarely use these days), an old 20 litre steel pot made by a boiler maker (and definitely over designed), and...

Any air trapped in the wood stays there. Resin will only fill voids it can get to. Even true vacuum stabilising doesn't fill larger cracks or voids inside timber, it only fills voids at the...

The pressure reduces the air to extremely small or dissolved into the resin. Once the resin has set, the air cannot expand again, nor can it come out of what was solution. Hope this makes sense.
...

You have already come to the correct conclusion, vacuum for stabilising, pressure for casting.

The biggest issue with vacuum casting is that under vacuum the resin is effectively under a much...

No actually, very different to Vic. Canberra has the lowest humidity of all the capitals, so it can cause further drying/movement issues.

If you can't get proper end sealer, or dipping in melted paraffin wax, a couple of coats of external PVA from the local hardware is your next best thing.

I've used a number of different brands from specialised car paint distributors. They usually sell the additive, it's some sort of lacquer with talc by the look of it, the sell it in an unmarked tin....

Car Clear Top Lacquer, I use it all there time, especially on my Doughwood that is a white timber. It is hard, durable and one of the most UV resistant. Although it comes in gloss, it can be dulled...

Actually yours look more like grey ironbark

Ok I have 3 beams of 70x90 ~1.1m long of what I think is yellow ironbark or white ironbark, that may not be too far from yours. - left on photo

Also...

I'll see what I have, the red ironbark down here is a lot darker, but not sure what ironbark the posts are (or even if they are the same). I'll go measure up what I have and cut some to see colour...

Price is normally by the cube rather than by the square meter, unless you're talking veneers or for a certain thickness, some are even by the kg. The price will also vary depending on the timber,...

Which ironbark Vern, grey/yellow/red? Sorry don't know what colour narrow leaf is.

I have some early old posts 150x75 but have no idea of species

Agree with Bob, your probably not going to get anyone willing to take the tree down, but once on the ground yes.

For a Olive tree, 30 years is actually a pretty young tree, at 80cm dia and 8m high...

Yes please, posted? I'll PM address details and you can reply with your bank details and postage

What you have is a cheap pot, I'm not sure, but the 80psi may be at what point it goes bang. Be very wary of using high pressures, when the pot goes it is a bomb and shrapnel will go every where, it...

The thin ones, or the thick ones with a pink in-between the aluminium?

Interested in these as well, 4 & 7 each or for all? Where are you?

I'm interested, where are you?

wish I had space

Nice job Rob

I use Bonnie Klein's method of treatment of bone as I spent a lot of time with her when she was the expert down for Turnfest many moons ago
Bonnie Klein Turning Bone - OTI...

Good result mate. Would have thought that log was more a bandsaw job though

Probably :B, long time ago though, and actually I don't have any anymore

All wood is toxic, if you work it, but as a bread board is totally different. To be poisoned by Camphor Laurel you'd have to eat about 2.5 really old trees in one sitting, and even then, it would be...

The Woodfast 3040 does have reverse and doesn't need to be hard wired into 20A circuit, it has a standard 15A plug, mind you it wouldn't be a bad idea.

Mine is also a 4HP 3PH motor with inverter...

What you bought was a degassing system, not a stabilising system. It is made to degas resins under low vacuum levels.

The acrylic lids are only designed for low levels of vacuum and will fail,...

Yes so true. I haven't made one for ages. I didn't do the market circuit much but used to sell mainly to customers from Gov Departments/Engineering/Construction/Lawyers etc I used to deal with...

It was home made by someone else. It was for making tables more than bowls, before tables were made with routers. The largest bowl I did was 750mm (finished size) for large boardroom tables (for...

Absolutely!

My old bowl lathe had a 1.8m dia capacity, my old JET 0.9m spindle capacity, plus turning with the bearded one has given me experience with a decent amount of large turnings. Having...

I bought this big beast off Ebay, works a treat

30L Spray Paint Pressure Pot Tank Automotive Convenient Carrying Handles 30L 882511192531 | eBay

I bought the new Woodfast3040 and I can assure you it is a beast. My first surprise was that, although advertised as a 3HP motor, it's actually 4HP :2tsup:. Not sure if I just got lucky or if this...

As Euge has indicated, the vacuum needs to be off for it to penetrate. My guesstimate of 4x vacuum time for soaking Aussie hardwoods was based on monitoring the level of the CJ during the soaks. It...

Drying the wood must be done >100C, it must be above the boiling point for water at all times, I use 110C any my ovens then vary from 105-115C). If your over was set at 100, then you were drying...

We did mix a few jugs full of resin, and I must admit I'[m not that accurate in measuring the mica, so probably that. May have also tried to fill some voids after rough turning, not sure, too long...

Given its oily nature, its almost impossible to stabilise properly, not to mention contaminating your stabilising resin in the process.

What was your process?

Turned out great :cool::2tsup:



Nah, just one pour, on the back of the ute running to get some vibration to help with the bubbles

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Sorry to hear Neil but I guess given the current situation with Covid not that surprising.

I don't sell to galleries as I would have problems keeping up with supplies for them. I do however, when...

There is a stabilising subform in the pen turning forums.

I'm in Nerang in the Gold Coast and do a lot of stabilising and indeed lecture on it, and casting, to various clubs throughout Aus on my...

That's easy, one at my place :U:U:U

Have fun with it. If like me, it will probably sit some where for a few years. I've still got Jarrah Burl bowl blanks for the last 2 trips to Perth, so some...

definitely not dry. In my yard now waiting to be cut up into manageable lumps to dry properly that

my daughter and grand-daughter are in Perth, so I try to get there at least every 2 years. I was supposed to be there now if it wasn't for COVID. I could have got my daughter to pick it up and...

This will still be wet not dry. I'd suggest $3/kg for the wet weight is a fair price for the burl, but their looks like a lot of trunk in that lump.

Let me know if you are interested in...

If Billy doesn't take it I will, some how.

Not sure about yours, but my 2002 JET1442 is a 30x3.5 thread

Where are you in Qld? I only have Braz Mahogany from your list, but have heaps of other species and colours to chose from if your close, I'm in Nerang Qld.

Welcome to contact me if your close...

Welcome to casting. The resin you have sounds like a coating resin rather than a casting resin, hence the limit on casting thickness, and I wouldn't go beyond it (actually normally coating systems...

Removing bubbles from resin for a river table before casting is a waste of time. The majority of bubbles in a river table came from the wood, too much heat, or whilst pouring/mixing the resin. As...

The ALDI beans make good pen blanks after they are stabilised :D

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