I started the edge prepping of all the rear spar components by using the vixen file to smooth the entire edge. I then ran along both sides of each edge with a deburring tool and finished each component on the scotchbrite wheel. No funnies - just takes a bit of time to do a proper is all! ;)
All rear spar items ready for edge prepping
Prepping the rear spar edges with a vixen file
All rear spar reinforcement plates wit edges cleaned and smoothed