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Sorry for the very late reply and thread necro. I got my Graphite rod from the following link. It's sold for Stirling engines but I'm using it for hybrid rocket motor nozzles. Good price and the shipping to West Oz was very reasonable...

:rolleyes:

Thanks for the extra info. I had a feeling you were using oil bonded sand. I also have oil bonded, but a DIY variety called K-Bond, as Petrobond is not available over here (that I have found) Cheers! http://www.foundry.ray-vin.com/k-bond/k-bond.htm

Nice work. I'd also be interested in more details. Years ago I built a large furnace with the view of casting parts for a Gingery lathe, however I only cast one part before I was gifted a Sieg C3. It has since sat unused for the last 15 or so years, but I 'm now considering dragging it out to...

Some forums have an insert inline feature, but it is rare, unfortunately this forum is not one of them. The only way I am aware of is to host the images offsite(photobucket for example) and then link to the images in your post.

Photo #6 = someone's planning to do some bluing :thumbup:

Hi James, Are there any hobby shops in NZ that stock 'Hot Stuff' branded fuels by Ozzie Traders? If so, they may be able to get you the Ozzie Traders diesel. Alternatively you could contact Ozzie Traders to ask if they have supplied anyone in NZ. Apparently another option is visiting any Control...

Thursday I couldn’t decide which part to make next, but looking at the trial fit I couldn’t help but think how nice it would be to see the studs and nuts in place…. For the first time in this build, I grabbed some non-salvaged, non-mystery metal from my stock. A length of 1/8” (3.18mm) BMS was...

Wednesday it was time to slice off the excess material, this was quick and easy and I was surprised at how clean the saw cut was! Much nicer than with the Taig holder, which I decided was due to the increased shank diameter (18mm/0.71”) making this holder far more rigid than the Taig version...

Work was quiet on Tuesday so I left early and got quite a bit done in the shop. First up was milling the flats on either side of the caps. It was here that I noticed the mill needed tramming, again. One day I’ll get around to modifying this X2! I’ve only had it a decade or so :rolleyes...

Well, that’s Christmas done for another year, I hope everyone had a good holiday! Unfortunately I’ve not done anything further on the engine since before the Chrissy break, so I’m itching to get back into the workshop but that’s not likely until after New Year. Even then...

Thanks for the heads-up Baz! I should be able to find that relatively easily, If not I'll be in touch ;)

Interesting, thanks! I need to think how to adapt a similar system to the X2. I'm tired of using a hammer on the loosened draw bar to break the MT3's grip.

And another Aussie! Welcome raspii.

Hi John, welcome from Perth. Nice lil Chrissy prezzie you got there! I also have an SC4, a huge improvement on the C3 I had before. Enjoy! I would avoid the Sieg QCTP, I had one on the C3, usable but ultimately crap. For the SC4 I went with the Dixon/Dickson style popular in the UK and often...