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Drilled the hole for the pitot tube
The instructions say to enlarge a pre-punched rivet hole in the left W-901 leading edge skin and the left main spar flange to 7/16". I carefully counted the rivet holes from left to right on the plans to identify which hole to enlarge. I have to admit I checked it about five times to make sure I had the right hole to drill out. Then I went over to my drill set and found that the standard drill set doesn't have a 7/16" drill bit. So I went to Lowes (aircraft and lumber supply) and bought a 7 dollar 7/16" drill bit. Next comes the dimpling of the ribs and the countersinking of the spar.
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