Date:    5-19-2013
Number of Hours:    6.00
Brief Description:    Preparing the Main Spars (LH&RH)
Continued machine countersinking the platenut attach holes for the fuel tank skins in the W-806 LH/RH main spar flanges.
Preferable countersink diameters for #8 screws are: .365"-.375"
Used width: .370"

Days and time of construction:
Right Spar Bottom: May 19, 2013, 1.5hrs
Right Spar Top: May 22, 2013, 1.5hrs
Left Spar Bottom: May 22, 2013, 1.5hrs
Left Spar Top: May 29, 2013, 1.5hrs