Peter Zaborski wrote:
> The TR6 (and others) has holes in the dash switch plinth for a variety of
> switches and control knobs. These switches and control knobs fit into the
> plinth via an almost round hole. I say almost because in order to properly
> orient the switch, the hole will be shaped like a plump D with the flat
part
> of the hole matching up to a flat on the threaded shaft of the switch (ie.
> the heater switch, the choke control knob, the heat control knob, etc.).
>
> Does anyone have a technique for making such D shaped holes? (I don't have
a
> metal lathe or any other such equipment, no CNC machine either).
You mean something more elegant than a drill and the largest square file
that will fit into the hole to form the flat side?
Jim Hill
Madison WI
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