Brief Description: Vertical Stabiliser - Assemble and Match Drill
Cleco the VS-808PP spar doubler to the VS-803PP rear spar. Then cleco on the hinge brackets VS-410PP, VS-411PP and VS-412PP (See Exploded Iso View).
The VS-410PP hinge brackets have two holes missing from the pattern. Use the holes in the spar channel and spar doubler as drill guides and back-drill the entire six-hole pattern through the upper VS-410PP only. The corner holes in the lower VS-410PP will be drilled for bolts later, in assembly with the fuselage (See DWG 27/27A).
Prepare the ribs VS-704, VS-705, VS-706 and VS-707 (See “Edge Finishing”, “Fluting and Straightening Ribs and Bulkheads”, Section 5.2 & 5.13).
Cleco the ribs to the front and rear spars.
Final drill #30 VS-808PP, VS-410PP, VS-411PP and VS 412PP to VS-803PP.
Drill all rib to spar attach holes to #30.
Cleco on the VS-801PP / VS-901 skin.
Drill / match drill to final size all the holes attaching the VS-801PP / VS-901 skin.