[Milsurplus] ARC-5 Adventures

[J. Forster]

Mike Hardie wrote:

> Gents:
> The intermittent BFO in the R-26 is likely fixed by replacing C26, a 100 uuF
> molded mica, so far so good.  But I noticed something by accident that is
> interesting, if one probe of an ohmmeter is connected to either lead on a
> given resistor and the other probe placed on the side of the resistor a
> resistance can be read, in fact it's sort of like a slider resistor if the
> probe is moved back and forth.  I tried several resistors and they are all
> like that.

The resistor is likely not encapsulated. Most carbon resistors are either carbon
rods or ceramic rods with a conductive film. If the surface is touched, it'll
act like a pot.

-John