thread drift. the glare shield edge should make us aware of danger. this may not be the final solution but it may help. a hard round shape. an idea stolen from Kevin Horton.
RV-9A, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 500+ for all
Simplicity is the art in design.
Last edited by Steve Melton : 06-17-2017 at 07:40 PM.