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I've gathered some things together to make it but if this kind of design is known not to work, i'd rather try something else. any other thoughts before I start? Thanks again everyone.

I built one many centuries ago and had to feed it at the side-center with 75ohm RG-11 cut to 1/4 wave length multiplied by the velocity factor, which in this case was 66% so it ended up ~5' 7" long (for 28.4mHz centering) and which matched it to the 50ohm coax nicely.

It was a good performing antenna but a bit challenging to get the feedline to attach from perpendicular to the antenna.

I kept the inherent potential impedance at a factor of 10+ above 50ohms by separating the wire 1.5 inches as it traveled up & back down the outside of the 20' x 1.5" fiberglass rod.

Handled full legal power @ 1.2:1 vswr until a falling tree branch had it for lunch.

Let us know the outcome.