"Tiny Orbo Replication" over 100% efficiency

[PaulLowrance]

If we could find 4 radially magnetized ring magnets (poles are at inner & outer part of ring), and a few normal magnets (axially magnetized), then it shouldn't be too difficult to make magnetic levitation.

[PaulLowrance]

Here's some radially magnetized magnets, a bit large and too expensive for me, $50 each

http://www.magnetechinc.com/pi1193762717.htm?categoryId=15

[supersam]

!!!!i've seen the light!

those videos of the mag bearings were great! try it you never know!  you might even want to, watch out for the rodin coil!

lol
sam





















1

[PaulLowrance]

I wonder which ceramic ball bearing has the lowest friction,

ABEC-5
http://www.vxb.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=kit7955&Store_Code=bearings

or

ABEC #1
http://www.bocabearings.com/main1.aspx?p=product&id=6827&n=#YCWK83-YZZ_AF2


One is ABEC-5, and the other is ABEC #1, whatever that means.


btw, yesterday I discovered that one of my ball bearings will fit inside a larger one. By rotating it by hand the outer one does not spin because there's not enough force on it, but I'd bet it would spin at high rpm's, which should help reduce the friction that much more.

[mscoffman]

I wonder which ceramic ball bearing has the lowest friction,

One is ABEC-5, and the other is ABEC #1, whatever that means.


btw, yesterday I discovered that one of my ball bearings will fit inside a larger one. By rotating it by hand the outer one does not spin because there's not enough force on it, but I'd bet it would spin at high rpm's, which should help reduce the friction that much more.

ABEC number (odd integers only, higher is better) strictly represent (an average)
tolerance of all three dimensions of bearing. Not other stuff, which is more probably
important to bearing operation.

Ceramic balls are harder and 30% lighter then steel, so they can withstand higher RPM
due to centripetal forces not damaging the outer race.

Lubrication is important so in sealed bearing one is probably going to need
to specify the application.

Found these in the following official article link;

http://www.sme.org/cgi-bin/find-articles.pl?&00no0052&ME&20001107&&SME&#article

---

As to the compound bearings in the videos, I notice that too.

:S:MarkSCoffman