Re: Why Can't I Use a Static Gap?

>I've since switched to a home-built reactor, made of rebar and #10 AWG
>This unit is not adjustable (any more than my welder was) but does have
>various tap points, giving me currents ranging from 8 to 32 amps, measured
>short-circut across my variac. This is at 240V. Crazy as it sounds
>the coil is acting far more stable with this new inductor, despite the fact
>that I have to water-cool the core.

Probably because the rebar is pretty lossy as a core (compared to
transformer steel) (which is why you have to cool it), and the resistance
acts to damp the oscillations, much like adding a resistive ballast.