REFLECTOR: Vibration

[Izzy Brownfield]

Been battling a flutter that i thought was coming from a rudder at 145kts indicated. Ive shimmed them out to insure that they are loaded. It slowed the top speed a bit and did get rid of the flutter. I thought i fixed it but the family just flew down to mustang beach tx this morning and now  I have a vibration at 150kts indicated that i can feel in the stick and i "think" i can see my left aileron fluttering. Plane Is  a Std RG both ailerons set about an 1/8 inch lower than wing. 
Any ideas?
Aircraft based near denton tx if anyone wants to see it and go fly. After i get back from the beach of course.  
Izzy

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