Hi Chris,
Along the same lines, I have an MFJ-936B loop tuner with all 4 pre-cut 10 Gage wires. If the 28' 40M wire is spread out properly it apparently gets 30% efficiency or so. I have the cross-t frame which is supposed to only handle up to the 13' 20-30M wire, however, I have wound the 28' wire on the frame in a spiral, using all the clips to keep the wire 2"-3" away from itself. The spiral is essentially in 3 progressively smaller loops (5' down to maybe 2'). It seems to work well and I have had no arcing, at least to 50 watts which is the max I use anyway. I have done Pactor/Winmor at 5 watts up to around 800 miles in the daytime, so it gets out. Do you have any feel for efficiency under these circumstances? The tuneup is not far off from what I see as a single big loop and it is much more convenient to use as a smaller spiral.? Others with this tuner might like this idea also.
Dave???? N7NZH???? Dewey, AZ
