ENERGY AMPLIFICATION

[Magluvin]

Sorry for the delays. Just poured the core. Nothing special.

But interesting how the iron particles and powder acted. In small tests, the iron sinks and the resin rises. I just didnt think of it that way.

The iron sand/powder mix was measured in the tube itself, then poured in a mixing cup. I needed just about the same level, in another cup, of resin to get a pourable mix.  But, there was very little of the final mix left over after filling the tube. Freaked me out a bit, as I was pouring the last bit, I was worried I didnt have enough.    lol  Weird. Lots of space between them atoms, err iron particles.

Anyway, Im hanging out here to scrape off the top every once in a while as the mix seems to be expanding and lumping up over the top of the tube. The other end(bottom) is capped off.  Resin expanding due to heat of curing most likely. Little air bubbles gathering. Was thinking to pour it in to the top and it might settle a bit and I could just top it off later, but no.

Gunna go home here in a bit. First tests will be one shot tests as described in Utkins paper.

Mags

[a.king21]

Tito:  Don't close the dipole??

[forest]

Tito:  Don't close the dipole??

What ? Still wondering ? I can tell you that while the concept is easy the construction is very difficult . Mostly ends up as a piece of not working crap or with a pile of damaged mosfets....

[Magluvin]

Well, today the resin is hard and it sunk in a bit.  Its still weird, as it seemed I would have had quite a bit of mix left over. Better more than short. Im going to dremel out the top a bit as it is mostly resin and fill to the end. The core needs to be consistent so each coil has the same amount of core to work with, I believe anyway.

If I have to do it again in the future, I will make on end of the tube longer with some tape and when cured, grind the excess.

The core is very magnetic. Compared to a mag on solid iron, its got pretty close to the same pull. I remember the TPU guru made some cores and posted that they were not as dense as he imagined. So, Im happy with these results so far.
Mags

[TinselKoala]

You can probably "densify" your mix in the mold by putting a magnet underneath to aid gravity. Then the iron will pack as densely as it can before the resin cures.

I remember how funny it was to see "J-B Weld" creeping when trying to use it to stick various arrangements of magnets and pole pieces together. It's essentially epoxy filled with powdered steel.