Linkages are free and parallel like you mentioned. It's set up with a boom mount servo with carbon pushrod. I wish I had someone local to look over it for me and help me but the closest person is about 100 miles away. If I have to I'll make the drive but would rather not. I think I'm going to do alright flying it. First flight consisted of several 20 second hovers in a 10 to 15mph wind. I've just got to get this one little problem solved. Thanks