From: Ed Wischmeyer

I am having a devil of a time locating 2.5" electric engine instruments
with a
270º sweep. Anyone know a reliable source?

Van's Aircraft has a full line of 2.25 inch gauges, and that is the
standard aircraft size.

snip

Ed Wischmeyer

Egad, I knew that. That did it, I'm going to fire my proof reader.

Thanks, Ed.

Dan, U. S. Air Force, retired