31st January 2010

Holes a-plenty

Hours: 4.6 | Posted in Center Fuselage

Much drilling today.  Began by drilling the armrests and removing them, and trimming the 623 bottom skin corner ribs to clear the step tubes.  Next, pulled the side skins to do the conical bends where they meet with the center bottom skin and tailcone, and reinstalled on the fuselage.  The bending was pretty easy, and in fact, I will have to un-bend the left side just a bit later, as it’s a bit concave just above the bend.  The right side turned out perfectly.

Making the conical bend Conical bend formed Side skin with bend installed

The next step is drilling the main longerons, and that is indeed a lot of holes.  I worked from aft to fore with clamps and drill, doing every fifth hole on both side, then filling in with the third hole, then going back and drilling all the even-numbered holes.  Now, the longerons are drilled up to the 904 bulkhead.

Fuselage assembly, conical bends in place Drilling the main longeron

After the longerons were drilled, I drilled the bottom and side skins to the skeleton, and to each other.

Drilling fuselage skins Fuselage skins drilled

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