I was just doing some drawings and found a very strange dimension.
See the attached pic. Its the dimension in section J-J (lower Left) It is supposed to be the same as the dimension in Section H-H but as you will see the dimesion it gives is a little strange ... lol
No idea what happened there. However, standard drafting practice is to dimension to centerlines of holes, not to section edges. That might give a better result.
Thats a radius dim it putting on the cut edge. Section J-J is not truly vertical and the view it is cut from in not truly horizontal. Edit the view and rotate it so that the fins are horizontal. Edit the sec line J-J and add a vertical constraint and anchor it to the center of the hole.
Sam, you are quite correct, in fact I had already added a centerline bisector and re-did both dimensions without error. I just thought it was strange to see such a dimension ... lol
karthur1, I very much doubt that it was picking up a radius, certainly not with that dimension. A 191metre radius is a bit big for these drawings ... lol
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