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Gunslinger, what type of feed are you going to use? Direct feed or use a hairpin (Beta) match? Direct feed results in an unbalanced feed while the hair pin match preserves the balance but you have to feed it with a balanced feedline or use coax and a balun. I built a six element yagi for 6m and used a balanced feedpoint and made a 4:1 halfwave coaxial balun to feed it because the feedpoint impedance was so low. I used a piece of fiberglass rod as the centre insulator and mounted it with a saddle bracket just like all the other elements but with the U-bolt through the fiberglass rod instead of the aluminum tubing. It works like a charm.

4:1 coax balun design.

[QUOTE="Captain Kilowatt, post: 293471, member: 39"] Gunslinger, what type of feed are you going to use? Direct feed or use a hairpin (Beta) match? Direct feed results in an unbalanced feed while the hair pin match preserves the balance but you have to feed it with a balanced feedline or use coax and a balun. I built a six element yagi for 6m and used a balanced feedpoint and made a 4:1 halfwave coaxial balun to feed it because the feedpoint impedance was so low. I used a piece of fiberglass rod as the centre insulator and mounted it with a saddle bracket just like all the other elements but with the U-bolt through the fiberglass rod instead of the aluminum tubing. It works like a charm. [URL="http://www.n-lemma.com/calcs/dipole/balun.htm"]4:1 coax balun design.[/URL] [/QUOTE]

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