Colin Kennedy - Experimental Aircraft Builder's Log

Lightning

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Date: 1-19-2008
Number of Hours: 2.00
Manual Reference: Section 22
Brief Description: Vertical tail preparation

This is about cutting holes in the rear face of the vertical tail for rudder cables, elevator horn etc. I had some difficulty measuring the position of the holes both vertically and horizontally because of the varying thickness of the filets between the skin and the rear bulkhead. I am hoping that the holes are actually bigger than needed so that the rudder cables and elevator horn will not interfere with the edges. If they do, I guess I am just going to have to enlarge them with a file. I think the filet can account for 1/4" difference in the measurement. I will see eventually! Actually cutting the holes, with my electric drill and the bi-metal hole saws I bought from McMaster-Carr, was very easy. The picture in the build manual, shows a hole for fitting the upper rudder hinge that is covered in section 23 Rudder Hinge Installation.

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