When checking control travel or throws on the Model IV flapperons do you find that the throws don’t match from side to side?

I went back thru the rigging today with a fine tooth comb. I found that the flap crossover tube rubs on the large elevator push rod when the elevator is full nose down. I don’t think there’d ever be a situation where you’d be flying like that but the interference just barely inhibited getting the proper 19-20 degree initial setting of the flap interface. I got only 18.5 before the crossover tube contacted the elevator push rod.

The right flapperon doesn’t have as much trailing edge up travel as the left. The right actuating arm gets towards the top of it’s arc where it doesn’t move the flapperon as much as in the middle of it’s arc. The left never reaches the same height in it’s arc so travel of the lh flapperon is more linear.

Suggestions?

Thx,
Jon