>Can a 3-500Z be mounted and operated in the horizonal position rather than
>vertically as is the norm?
The filament helices sag slowly when a 3-500Z is lit in the horiz.
>I've been digging through the WestCoast Handbook,
>older (the good ones) ARRL Handbooks and I am unable to find anything
Eimac says base up or base down only.
>Why can 572Bs be successfully ran in the horiz. position?
Because 572Bs use a W shaped filament instead of a helical filament.
- later, Lane
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
FAQ on WWW: http://www.contesting.com/ampfaq.html
Administrative requests: amps-REQUEST@contesting.com