[ARC5] Very Cool SCR-274N Modulator

[Neil]

> Is a dynamotor able to be convrted to12V from 24V or is this  orginal?
> Jay KE6PPF

FWIW I once disassembled an ARC-5 receiver dynamotor in order to
investigate whether that could be done. Found that the two field windings
were connected in series. I figured that they could simply be rewired in
parallel, but that left open the question of what to do with the commutator
windings.
73 de Neil ZL1ANM