M mmcdonald Active Member Mar 23, 2015 #1 Could someone with an RV-3A verify bolt diameter for the 16 bolts in center section of the spar. My 3A kit drilled for 1/4" bolts but the 3B kits call for a 3/8" bolt.
Could someone with an RV-3A verify bolt diameter for the 16 bolts in center section of the spar. My 3A kit drilled for 1/4" bolts but the 3B kits call for a 3/8" bolt.