View Single Post
Old Aug 24, 19, 12:34 pm
  #15  
TedToToe
 
Join Date: Jun 2016
Location: Cambridge
Programs: BAEC Silver
Posts: 1,032
Originally Posted by Jagboi View Post
Centrers can be difficult to measure, so a trick I learned when working in a machine shop was to measure edge to edge. The distance is a the same (especially when measuring hole centre-to-centre distances drilled in a piece of steel) Say the left edge of seat A to the left edge of seat B.

Takes the guesswork out of exactly where the mid point is and should be easy to get repeatable results from many people measuring.
Of course, the centre of the seat back is marked quite nicely with tray table lock thing. David Walliams probably knows the proper name for it!
TedToToe is offline