by billmaxmcw » Sat Jan 17, 2015 7:01 pm
Check the service bulletins on the Sonex website. SNX-SB-005 says that mounts shipped before June 2005 have some .035 tubes that were upgraded to .049.
Bill
Bill, Oregon
2012 Sonex taildragger (kit)
Aerovee 2.1, Aeroinjector