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RV-7 Construction Log
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Date:  12-18-2011
Number of Hours:  9.50
Manual Reference:  Section 6
Brief Description:  Horizontal Stabilizer Spars and Ribs

Match drilled rear spar reinforcement bars to rear spar channels.

Enlarged HS-708 rib holes in rear spar assembly to #21.

Located and match drilled elevator hinge brackets to rear spar assembly.

Located and match drilled VA-146 center elevator bearing to center hinge brackets.

Primed and VA-146 with Tempo Zinc Chromate and riveted to center hinge brackets.

Drilled HS-710 and HS-714 front spar reinforcement angles to HS-702 front spar channels.

Tapered and rounded ends of front spar reinforcement angles.

Bent ends of front spar reinforcement angles to 6 degrees. This was a tediouis process!

Notched and trimmed ends of front spar channels to RV-7 dimensions. The notches are started by locating and drilling holes in the middle of a bend radius - another tedious process!

Deburred all edges of front spar channels.

Bent front spar channel tabs to 6 degrees and test fit to reinforcement angles. After a bit of tweaking all is well.

Marked all HS ribs as left and right, using a "vibrating pencil".

Layed out and drilled #40 front spar attach holes in front flange of HS-405 inboard main ribs.

Rivets this session: 6
Rivets total: 6
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Note rivets to align bearing in brackets.

Note rivets to align bearing in brackets.

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Obligatory photo of the first rivet of the project.

Obligatory photo of the first rivet of the project.

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Ready to match drill. Tape over holes not to be drilled yet.

Ready to match drill. Tape over holes not to be drilled yet.

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