Horizontal Stab struts

[rv8bldr]

Hey everyone

I built the horizontal stabilizer support struts on my BH4 as per the plans with the ends flattened, drilled through, reinforced with a welded washer, etc. I didn't really like that as now I'm stuck with a fixed incidence on the horizontal stab unless I make new struts. Then I saw on a QB kit that the fuselage end of the struts have a threaded rod and a clevis fork. Why didn't I think of that ????

Anyway, the question: what should I use for that threaded rod when modifying my struts? 4130 rod and cut my own threads? I'm not crazy about cut threads in such a critical location. Should I get an AN490 threaded rod end, grind off the cadmium, and weld it in? Suggestions welcome.

Mark Goldberg: what do you use in the factory?

Thanks

[Mark Goldberg]

AN490 with the 1/4" threads used on a AN665-34. Mark

[rv8bldr]

Awesome. Thanks for that, Mark!

[bergy]

Patrol plans spec a short piece of 5/16 x 0.058 tubing used as a bushing for the attach-points for horiz-stab struts. The drawings for strut-ends show 1/4" holes in the fabricated ends of the struts. The ID of the 5/16 tube calculates to be 0.1965. So just what kind of hardware is used to attach struts to the horiz-stab?

[Bcone1381]

Bergy, P.21 of the plans shows the strut, and its attachment on both ends with and AN3 bolt. Is that what your asking about?