Lumia Extravaganza

[mikkojay]

Here's one-
Has anyone ever tried using the electromagnet assembly from the innards of an old aquarium pump as a cheap and simple mirror oscillator?

[Stuka]

Here's one-
Has anyone ever tried using the electromagnet assembly from the innards of an old aquarium pump as a cheap and simple mirror oscillator?

Whoa - flashbacks!!

While the wife and I were doing a massive early "Spring cleaning" at the Stuka estate () over the holidays, I ran across the box containing my early "optics" efforts, which included a 1970's-era aquarium pump with a piece of broken mirror glued to the bellows!! Tossed it (didn't run), but it sure brought back memories!

I held on to the beam splitter and hologram slides that were in the box...

[mikkojay]

Cool! Now that's old-school! I went by a musician's supply shop today looking for a road case for another graphics projector I plan on building. I saw a sweet old piece of 70's gear that had a tuck 'n roll glitter exterior. That made me think it would be cool to adorn the exterior of my retro rig to compliment the interior- heck, why not put some '59 Caddy fins on it?
-Mike

[dsli_jon]

Hey Tim! -

Here's a link to my current fave lumia device, the "Waterford Crystal Diamond"...You can hit this baby with a beam at *any* angle and fantastic things happen!

Yeeeah, baby! That's what I'm talkin' bout! Somewhere, I have shots of this in action... gotta go 'snorfle 'em up...

Thanks for stokin' the fire, Chief!...

j

[mixedgas]

Here's one-
Has anyone ever tried using the electromagnet assembly from the innards of an old aquarium pump as a cheap and simple mirror oscillator?

Do you really want me to answer that?????

Steve

[mikkojay]

Do you really want me to answer that?????

Steve

Whachu got mang?

[allthatwhichis]

That's alomst like the door knobs I have... I did not take a picture of the "optic" but took some of the "effect" of shining a size "2", white ring abstract set to rotate a little through the "crystal". Here is the album.

Can you post a "how to" for the device that "knob" is attached to?

[mixedgas]

Re air pump electromagnet
your choice of rubber strap, steel shim stock or piano wire flexure suspension as the mirror pivot, with either soft iron or a really good magnet. Each has their own advantages and disadvantages.

Did that one in 89 or so for Sea World on a lark. If you can get the mirror mass to resonate at 60 hz, its awesome. even if you cant, its awesome. You put one in the back of the projector on a beam position. If you get it to resonate, which is fairly easy, it will ring on pulses of AC with a neat effect, if you put a reflective grating on it, even neater effect.



Steve

[mixedgas]

[QUOTE=allthatwhichis;80044]That's alomst like the door knobs I have... I did not take a picture of the "optic" but took some of the "effect" of shining a size "2", white ring abstract set to rotate a little through the "crystal". Here is the album.

What the heck is a #2 white ring ????????????????????????????????????????

Steve

[allthatwhichis]

In the abstract generator you can select a size. I just moved it a bit, from 0 to 2, to make a small ring or circle. I use it at 0, to make a dot, and all white, to have all three... four lasers on full to warm them up. I just moved it to a "size 2"... small white ring. I made it rotate to get the differenct diffractions.