Cake or Death?
-James
"How do you know if you're happy or sad without a mask? Or angry? Or ready for dessert?"
Cake or Death?
"Don’t know how long, this one’s gonna take;
I could fail, but I’d rather be a fuckup, than a fake"
"you know there are no trophys for doing silly things in real life yeah pete?" said ant "you wont get a 'listened to ride of the valkyries all the way to vietnam' trophy"
*proud owner of the very cute fire_spinning_angel, birgit and neon shaolin*
ture na sig
Cake or Death?
We are the music makers, We are the dreamers of dreams,
Wandering by lone sea-breakers, And sitting by desolate streams;
World-losers and world-forsakers, On whom the pale moon gleams;
We are the movers and shakers of the world for ever, it seems.
Educate yourself in the Hazards of Fire Breathing STAY SAFE!
Cake or Death?
Written by: pj
I *really* like that cone idea! I was wondering how you were going to diffuse the light from the design you posted. I've been spinning for a while, to the point where I remember the time before sock poi. I always thought that sock poi were ghetto-ass until I actually tried some. I'm now a total convert to practicing with sock poi.
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I was still working towards the idea of ultimate glowstick. My idea was to just use one each of the lsdiodes THC LEDs and diffuse that through an 8 inch poured rod of poured acrylic. The reason I've been wanting to work towards lighter LED poi even though I like heavy fire poi is that you need to spin non-fire poi rather quickly to get a good trailer effect. The other is that even heavy fire poi don't really hurt all that much if you smack yourself, and unless you tangle it just results in some singed hair. Compare this with any of the many items like the HOP "beaming balls" and it's nothing -- the really ought to be called "beaning balls". I consider fire to be *far* safer than those beasties, and I've got a lot of respect for the people who spin them! Like the globalls, I'll be wanting to cover the plexi with some sort of silicone to cushion any blows.
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With regards to the electrics, I'm not aware of a shock problem with Li-ion batteries. I'll have to research that one. I'm a bit more concerned that the battery won't be properly vented. The charging mechanism will be a high-frequency air-core transformer, and it will have relatively limited current capability, so that should be enough of a safety mechanism.
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An adjustable current source is actually the *preferred* way to control the brightness of an LED. They generally aren't used because of added component cost. But when you are already shelling out for Luxeon-class LEDs those costs become trivial. Heck, *all* of your other costs become trivial once you step up to Luxeons!
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I've been keeping my eye on the Luxeon clones and some of them are looking rather appealing. I figure they'll be cost effective by the end of the year. One of the things that makes the Luxeons so nice is their beam pattern -- all the clones I've seen have inferior beam patterns, but for our uses that doesn't make any difference whatsoever.
Cake or Death?
ture na sig
Cake or Death?
"i see you at 'dis cafe.
i come to 'dis cafe quite a lot myself.
they do porridge."
- tim westwood
Cake or Death?
Educate yourself in the Hazards of Fire Breathing STAY SAFE!
Written by: pj
That's some pretty impressive machining you've got there. Having played with quite a number of commercial poi, I know the number one problem is reliability and lot of the reliability problems come from having to deal with removable batteries. My thought had been to address all this in one shot by potting the whole thing in one piece of plastic, and then perhaps coating it with silicone to reduce impact problems. It's also a whole lot easier than fancy machining! Of course this means going with rechargable batteries, but Li-ion batteries are getting cheap, and it's actually easier to build an intelligent charger for Li-ion cells than forNiMHs. And the storage density is absolutely amazing. A single Li-ion CR123 cell will provide 700 mAH @ 3.6V, which is more than you'll get from three AAA NiMHs in series. A Li-ion in AA packaging will provide a whopping 2.25 AH!
Cake or Death?
Cake or Death?
Cake or Death?
My state of mind is not yours to define!
There is a very fine line between "hobby" and "mental illness."
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