Dan Helsper
I used the alum struts like Larry Williams. The aluminum insert is 7075 aluminum that
I got from Mcmastercarr.com. The bottom fitting is the same 7075 insert, that
I tapped for J-3 forked wing strut fitting (ACS or Wag Aero?). Inserts are bolted
through the strut with 1/4" bolts. Dan Helsper