Drilling to a size?

Probably a bad time to ask this, since I'm starting on my fuselage, but I'm getting tired of drilling to #40, clecoing, un-clecoing and drilling to #30 and clecoing, etc., etc.  If you are going to drill to #30 or #20, must you always start with #40 and progress to the larger sizes?  I'm assuming "good practice" would dictate a yes?

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Permalink Reply by martin acton on April 21, 2011 at 12:35am
Starting with small holes then gradually opening them out allows the assembly that you have clecoed to "settle" in its final position also. The plusses are neater rivet lines and straighter assemblies.  If there was a smaller cleco than the silver, I would probabily use it :) A pinhole in the wrong place gives a few more options than large hole.                                               
Permalink Reply by Dr. Edward L. Olds III on April 23, 2011 at 4:04pm
I follow your logic and I just wish I had enough clecos, period!!

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