[TenTec] tuner/was 80 m loop

[Dave]

After years with a TenTec Argonaut and the matching AC-5 tuner, I am 
still having fun, but less fanatical about always being QRP..... did 
WAS, DX, etc...

can someone with more technical background make suggestions as to coil 
size, capacitor size/source that one could make a larger version of 
the AC-5 for higher power?   I did not mind moving the alligator clips 
- and, using balanced line, was able to match lots of stuff.
the rig sold some time back... so don't have AC5 to stare at...

thanks
Dave K8BBM