Topband: FCP for lower power

[David Cutter]

I am planning an inverted L over a folded counterpoise as K2AV. 
My power levels will likely be about one third of the design levels for the
K2AV design.  I can imagine during tune up or adjustments that I might hit
half the power level for short periods, so my component values need not be
so extreme.  I'm thinking mainly of the vacuum variables and other caps.  I
intend to use the 80m option, so relays will also have a relaxed spec.

Has anyone made a lower power version or can advise thereon?  

David G3UNA/G6CP