STEORN DEMO LIVE & STREAM in Dublin, December 15th, 10 AM

[k4zep]

Hi All,

Inproved circuit to capture all energy in cap. or in wheel.  Trying to keep it simple gang to show the basics.

http://www.youtube.com/watch?v=6fQIAIP-TS0

Going to bed

Ben

[Jimboot]

Paul   probably posted this already but I just stumbled across it today. http://www.metglas.com/products/page5_1_2_6.htm It is the spec page for the Metglas 2741a. Used in power supplies eh?

[hartiberlin]

Hi All,

Inproved circuit to capture all energy in cap. or in wheel.  Trying to keep it simple gang to show the basics.

http://www.youtube.com/watch?v=6fQIAIP-TS0

Going to bed

Ben

Hi Ben,
very well done.

I think the other diode 1N4148 is not doing much, only maybe shuttling some stray capacitance charges
back from the switch to the bootcap, so you could probably leave it out.
Or am I wrong ?

Nice blinking light.
If it would run faster you would probably have steady light, so the human
eye could not see any blinking anymore.

Regards, Stefan.

[teslaalset]

For those who are interested in the progress of Naudin (JLN Labs): he posted an update on his Orbo research showing results of his magnetic viscosity measurements:

YouTube: http://www.youtube.com/watch?v=oRcK6jE42PA&feature=sub
Website: http://jnaudin.free.fr/steorn/indexen.htm

[Airstriker]

No so in the Orbo. That's only if a square loop core is going to be flipped. If it does not go near the flipping point, then it's rather linear, and you get nearly all of the energy back. In my 37 turn metglas core, the inductance is 35 *micro* henry to at least 4 amps and probably far high levels of current. Although if the current is taken to a certain point, then the core flips, and then you have massive inductance. 

btw, the field on the metglas from the NdFeB is no were near 0.5T. In fact, if you do a FEMM analysis you'll see it's far far lower. Furthremore, the *effective* permeability on the metglas core in an *open* magnetic loop (in the case of the NdFeB magnet) is extremely low, far below 20.

Sorry for going back to that subject but I didn't really get your explanation. Can you say it in more words if it's not a problem ? Maybe some pictures. This is quite important if it really can be done and I just simply cannot see that