Re: MOT Charging reactor

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Arpit Thomas" <arpit-at-inzo-dot-org> 

on all the mots if taken appart, the windings have not been interleaved. i 
grind the welds to a little below the surface, then smash the I loose with 
a chissel and small sledgehammer olaced where the welds were. works like a 
charm.

*********** REPLY SEPARATOR  ***********

On 1/09/2004 at 4:16 PM Tesla list wrote:

 >Original poster: "James Robinson" <james.robinson-at-vistek.tv>
 >
 >Hi all,
 >
 >This is my first post to the list, so hello all!
 >
 >I am in the process of building my second coil, which will be a DC supplied
 >system, utilising reactive charging of the tank capacitor.  I have a big
 >pile of old MOTs, which I am considering some of for the reactor.  What I
 >am
 >wondering  is, how easy it is to disassemble an MOT core (for the purpose
 >of
 >inserting an air gap) - I assume the laminations are interleaved, so I
 >figure even once the welds are removed, its not going to be the easiest
 >task
 >to separate all the laminations and re-orientate them into solid E and I
 >sections (the whole thing is covered with resinous gloop).  I would ideally
 >like 6 inductors - so this could be quite a lot of work!
 >
 >Any tips from someone who has tried it before would be greatly appreciated.
 >Otherwise has anyone found another source for such a beast of an inductor!
 >
 >For reference, I anticipate running 1-2kW through the system from an MOT
 >based "stiff" DC supply. The switching mechanism will be a TSG
 >incorperating
 >magnetic + high velocity air quenching - hence the need for some prety
 >serious HV current limiting!
 >
 >James Robinson