I am not sure a secondary latch is needed if you modify the latch stricker plate.  The latch fingers will have greater overlap.  I added an extra plate with the hole enlarge to accept the delran piece - see attached.   I used countersunk screws for clearance.   As a way to deal with pilot error, I added a canopy latch switch which illuminates when the latch is open and if open and airspeed is above 30 kts, I get an aural warning.

Dan Ballin

N386DM

On Mon, Jun 24, 2013 at 5:32 AM, Kyrilian Dyer <kyrilian_av@yahoo.com> wrote:

Just curious how many people have installed some sort of secondary locking feature onto the interior canopy handle to reduce the chance of opening in flight.  If so, would you be willing to share (pictures, description, etc)?  If not, do you feel the over-center feature provides sufficient protection?

Thanks for any feedback.

- Kyrilian
 L2K-236



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