I have not read ASME 14.1 in a long while, but working with prints for a long while, you have to assume tangent points. The reason the 2.38 length must be a reference dimension is because this number will change based on the .6615/.6585 dimension. Using AutoCad real quick for the math, the 2.38 reference will change as much as .217 depending on the actual diameter of .6615/.6685.
I am attaching a very quick and dirty screen shot of my AutoCad to give you a better view.
I am attaching a very quick and dirty screen shot of my AutoCad to give you a better view.
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