[ARC5] 28 volt transformer question ?

[Kenneth G. Gordon]

I got an ARC-1 from MARS back in the day. It had no dynamotor, but there was room on the 
dyno shelf for a power transformer.

It needed 24 VDC for the filaments and tuning motor. I wound enough extra #12 wire on the 
outermost winding, which just happened to be the 6.3 V filament winding, to get the 
necessary voltage and current. It just barely fit.

The transformer was from a console TV set and the 6.3 V winding was good for at least 10 
amps.

Anyway, it worked.

I subsequently found that MOST small power transformers I ran across had the primary 
winding next to the core, and all secondaries were further out on the core.

As I remember it, the HV winding was next to the primary, and all other secondaries were 
further "out". I suspect there was some technical reason for this, but have not pursued this.

Ken W7EKB