To add to Scott's comments and to make things even more confusing.  My kit was delivered late 1994 or early 1995.  Construction was started using the Rev 0 11/1/91 320FB manual. It was not completed until 2001 so I suspect it was completed with the latest infromation.  After an incident on the second flight the plane did not fly again until 3/03 when I purchased it.  The plane was both completed and repaired by a professional shop.  It has what I consider most if not all the latest mods.

 

Back to RTS (Rat Trap Springs).  To make things more confusing Lancair issued a manual supplement to the 235/320/360 manual for the TRS.  It is titled Over-Center Torsion Springs.  The issue date is 5/28/93.  What is interesting is that the assembly drawing shows two WS-6 washers.   For some reason the inner WS-6 was replaced with the larger AN970-6 washer in the 1/23/96 320FB manual.  This apears to be the only change from the supplement. 

 

So the way the springs are assembled depends on the age of your documentation.  While I like older dates on my wine lables.  When it comes to documentation on aircraft assembly younger is better.

 

Ray Gardner

LNC2 94/95 @CWF