Can fairy-dust be non magic? I've watched a fair bit on the subject recently thanks to the kids Tinkerbell movies, invariably this dust seems to be of the magic variety or it doesn't cut it. It does however come in different colours.
Can fairy-dust be non magic? I've watched a fair bit on the subject recently thanks to the kids Tinkerbell movies, invariably this dust seems to be of the magic variety or it doesn't cut it. It does however come in different colours.
Don't you look at my accountant.
He's the only one I've got.
Yes, I've had it right up to here with Magic fairy dust, Sophia,Henry Hugglemonster, Jake and the Neverland Pirates etc.etc. can't ever get to see a bike race at a decent time anymore!
Flettner, does that ceramic fibre lining ever singe a little? The stuff I'm trying in the microwave smells a bit and actually seems to singe and apparently even melts where it's exposed to the heat of the crucible in the microwave.
Now got it up to stinking hot after about 20 mins (still no molten metal - too scared to do it for longer as yet in case of overheating).
I now have it raised up a little with a heavy duty hairdryer running on cold pointing into the air inlets underneath it, that seems to be stopping any overheating of the magnetron.
Now ready to try out other setups and suseptor materials, perhaps will get better results. ie. after I've done a pour with the main furnace.
Valcan mind probe?? I feel so ignorant...
That is more or less how I started what I'm doing now. Back in the day I was a technical editor in Holland and I spent my holidays driving to Italy and making a nuisance of myself in the Garelli racing department, trying to convince Jan Thiel of my wild ideas and picking up gems of his experience in return.And I'm sure I could do with a workshop "bitch" that I can order around. Might even teach you some stuff about twostrokes
The things we did, the stuff we drank, the things we said, makes you cringe!
Flettner do you think I should forget Greensand and do Silica Gel/CO2 instead? - looks like you're having good results with that. I've still got to develop a feel for this mould making, but doing better than I thought I would.
Not silica gel. Sodium silicate. (water glass to the old timers)
Although you can make it from Silica gel.
The chemist or potters supply will also have it.
Its not that expensive to buy and less likely to get you in trouble with the misses than making it would.
The rest Neil can answer.
I only use co2 setting sand, best results, can use much less taper on the pattern.
Yeah Husa, just said "silica gel" because my feeble old mind wasn't remembering the proper name at that time of night!
I actually have some on hand (from the pottery supplies) also have a full cylinder of CO2 but hadn't finally decided which type of moulding sand to use.
Neil,
The greensand is giving me lot of experience and practice in moulding techniques - I can destroy each one and do it over again easily, so I'll carry on with that and then try CO2 next.
It does look like I should take your lead and eventually go the CO2 way, (they don't fall apart so easily and there is always the possibility of transporting them to wherever I'm doing the pouring).
The tongs which took a while to perfect now work fine (we'll see anyway) - Just made from bits and pieces I had lying around plus a bit of trial and error!
Autoflight Ltd trying to save the world from global warming, by shifting the planet out to a higher orbit
First of the two heat ranger engines on the test stand, electric throttle testing.
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