Kilpatrick0.jpg...shows that I rotated the full RFQ by 45 degrees and then made a sliced view.
Kilpatrick1.jpg...shows that the smallest vane to vane gap across opposing tips is 5,1mm. The measurement of 1,8mm is not relevant because the vane surfaces are not opposite each other in this position i.e. they are offset longitduinally.
Kilpatrick2.jpg...shows a gap at the RFQ entry of 3,3mm
Kilpatrick3.jpg...and 3,3mm at the exit end too.
Kilpatrick4.jpg...I put this in to show that at the downstream end (join between sections 3 and 4) the vane modulations appear to follow each other.
Kilpatrick5.jpg...whereas here in section 1 they do not. This might be as expected due to the RFQ bunching here and not accelerating or might be due to the rendering. I am not sure why this appears so but I thought it best to mention it.
Kilpatrick6.jpg...I wanted to try something just to see what happens. I took a 0,1mm thick transverse slice of RFQ section 4 at a distance of 100mm from the output (downstream) end. Don't ask me why, it was just a randomly chosen longitudinal location. At this location I measured the vane to vane minimum separation to be 3,446mm........