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Re: [TCML] OBIT Questions

I used to buy mine new at Graingers before they went electronic for about
$45.00, now if I need one it's ebay.  If you "cook" one and remove the core
from the tar and run it in oil, it will run a long time.  I install mine in
old HV paper capacitor/oil cap cans and reuse the HV bushings for the
output, and 5-way binding posts for primary connections.  Fill them with
mineral (baby) oil and a overpressure vent and so far the can run hard for
many years.  I use them on 2" x 10" secondarys with .005 uF poly caps making
10 to 12" streamers using copper pipe static gaps.
Kevin

On Fri, Oct 31, 2008 at 6:28 PM, G Hunter <dogbrain_39560@xxxxxxxxx> wrote:

> I have no hands-on experience with OBITs.  I'm wondering--what's a fair
> price for a new-old-stock 10kv/23ma unit?
>
> I've read these are only designed for intermittent duty, and may be even
> more fragile than NSTs.  Any substance to that?
>
> Due to their small size and low cost, OBITs just seem like a natural for a
> table top mini-coil.
>
> Greg
>
>
>
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