Entries for: Empennage - Horizontal Stabilizer
| Entry Date: Saturday, Jun 18, 2005 (details) |
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| Position the Elevator Hinges and Drill Index Holes |
| Empennage
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| Horizontal Stabilizer
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| 2.5 hours
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Built table supports/extentions to hold the elevator behind the HS.
*Very Important Step* Aligned the horizontal stabilizer with the elevator and marked the center and edges for hinge placement. Side-clamped hinges in place.
Checked the seperation to maintain elevator travel and edge margins for later riveting.
Aligned all hinges and drilled a single #30 hole in the center of each. Cleco'd and removed the side clamps.
Mounted the other hinge halves using the pins.
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| Entry Date: Saturday, Jun 18, 2005 (details) |
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| Cut the Elevator/Trim Tab Hinges to Size and Cut/Bend the Hinge Pins |
| Empennage
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| Horizontal Stabilizer
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| 1.75 hours
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Measured and cut the hinges for the elevator and the trim tab after removing the pins and seperating the two halves. Filed all edges smooth in the grinder.
Cut and bent the hinge pins. Shaped the ends of the pins into small points to assist the rebuilding.
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| Entry Date: Saturday, Jun 18, 2005 (details) |
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| Trim the Trailing Edges of the Upper Skin |
| Empennage
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| Horizontal Stabilizer
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| 1.5 hours
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Removed all upper skin material that extended over the aft spar. Checked for waves and bows.
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| Entry Date: Wednesday, Jun 15, 2005 (details) |
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| Rivet the Lower Skin to the Aft Spar |
| Empennage
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| Horizontal Stabilizer
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| 3.5 hours
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Riveted the lower skin trailing edge to aft spar while the assembly was still in the jig.
Removed the Horizontal Stabalizer from the jig and finished riveting the ends.
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| Entry Date: Saturday, Jun 11, 2005 (details) |
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| Rivet the Aft Spar to the Ribs |
| Empennage
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| Horizontal Stabilizer
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| 0.45 hours
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Riveted the aft spar to the main ribs using blind rivets.
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| Entry Date: Tuesday, Jun 07, 2005 (details) |
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| Rivet the Left Skin to the Spar/Rib Assembly |
| Empennage
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| Horizontal Stabilizer
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| 4.4 hours
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Followed the same procedure used to rivet the right skin in place. Finished all rivets along Rib B that were common to both skins.
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| Entry Date: Sunday, Jun 05, 2005 (details) |
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| Rivet the Right Skin to the Spar/Rib Assembly |
| Empennage
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| Horizontal Stabilizer
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| 4.2 hours
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Started riveting of the right skin on the lower surface. Followed typical riveting patterns along the forward spar and then the ribs.
Riveted the upper skin to the forward spar while holding the skin back. Cleco'd the ribs and removed the aft spar to finish riveting.
Blind-riveted the nose ribs.
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| Entry Date: Sunday, Jun 05, 2005 (details) |
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| Check the Forward/Aft Attach Brackets for Clearance with Skin Cutouts |
| Empennage
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| Horizontal Stabilizer
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| 1.25 hours
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Cleco'd the aft spar to the rib assembly and fit the right skin in place. Then fit the left skin over the tongues of the aft attach bracket to check for clearance.
Also checked the forward attach bracket for clearance on the left skin cutout.
Removed all material from the skin that was connecting to the brackets.
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| Entry Date: Sunday, May 15, 2005 (details) |
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| Rivet the Ribs to the Forward Spar |
| Empennage
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| Horizontal Stabilizer
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| 2 hours
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Riveted the replacement flanges on Ribs A and B.
Riveted all ribs onto the forward spar except A and B.
(6/2- post rivet shipment) Finished riveting ribs A and B.
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| Entry Date: Friday, May 13, 2005 (details) |
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| Rivet the Attach Bracket to the Aft Spar & the Spar Web Doublers to the Forward Spar |
| Empennage
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| Horizontal Stabilizer
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| 2 hours
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Riveted the attach bracket to the aft spar.
Installed the alignement pins through both doublers and the spar web, secured with the self-locking nuts.
Riveted the spar web doublers to the forward spar.
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| Entry Date: Monday, Mar 14, 2005 (details) |
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| Corrosion-Proof the Horizontal Stabilizer Interior |
| Empennage
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| Horizontal Stabilizer
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| 6 hours
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*We're holding off on this step until we are ready to corrosion-proof the elevator. Hopefully it will save us some time and mess.*
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| Entry Date: Thursday, Mar 10, 2005 (details) |
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| Position and Drill the Aft Attach Bracket |
| Empennage
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| Horizontal Stabilizer
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| 1 hours
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Positioned the aft attach bracket on the aft spar web, cleco'd and clamped, and drilled all of the pre-punched rivet holes.
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| Entry Date: Wednesday, Mar 09, 2005 (details) |
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| Position the Forward Spar Caps and Drill |
| Empennage
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| Horizontal Stabilizer
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| 1.5 hours
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Fitted a forward spar cap into place and secured with clamps. Drilled all rivet holes.
Repeated process on the other cap.
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| Entry Date: Sunday, Mar 06, 2005 (details) |
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| Chamfer and Edge on the Forward Spar Caps |
| Empennage
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| Horizontal Stabilizer
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| 1.5 hours
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Chamfered (i.e. round off half an edge) the caps for the forward spar.
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| Entry Date: Monday, Feb 28, 2005 (details) |
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| Disassemble the Spar/Rib Assembly and Deburr |
| Empennage
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| Horizontal Stabilizer
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| 1.6 hours
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Removed both skins from the assembly. Disassembled the structure and deburred all newly-drilled rivet holes.
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| Entry Date: Thursday, Feb 24, 2005 (details) |
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| Drill Rivet Holes in the Left Skin |
| Empennage
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| Horizontal Stabilizer
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| 3 hours
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Drilled the rib and spar rivet holes.
Aligned and drilled the nose ribs.
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| Entry Date: Wednesday, Feb 23, 2005 (details) |
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| Position the Left Skin |
| Empennage
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| Horizontal Stabilizer
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| 2 hours
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Positioned the left skin over the assembly.
Cleco'd and strapped into place.
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| Entry Date: Monday, Feb 21, 2005 (details) |
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| Drill Rivet Holes in the Right Skin |
| Empennage
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| Horizontal Stabilizer
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| 4.1 hours
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Drilled the upper surface main rib and forward spar rivet holes.
Drilled the upper surface aft spar rivet holes.
Realigned and drilled the lower surface of the right skin.
Aligned the nose ribs and drilled.
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| Entry Date: Sunday, Feb 20, 2005 (details) |
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| Position the Right Skin |
| Empennage
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| Horizontal Stabilizer
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| 2.5 hours
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Cleco-clamped the right skin into place. Aligned the pre-drilled rivet holes as close as possible with the lines marked on ribs and spars.
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| Entry Date: Saturday, Feb 19, 2005 (details) |
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| Horizontal Stabilizer Support System |
| Empennage
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| Horizontal Stabilizer
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| 0 hours
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(As always, not counting any build time for this.)
Built and installed a vertical support system for construction of the horizontal stabilizer.
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| Entry Date: Sunday, Dec 26, 2004 (details) |
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| Modify the Center Main Ribs |
| Empennage
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| Horizontal Stabilizer
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| 2 hours
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Removed the original flanges off of the two center ribs (A & B in the manual) and cut replacement flanges.
Drilled rivet holes in the rib tabs and aligned on the spar.
Reassembled the spars/ribs, aligned the replacement flanges, and drilled the center holes.
Cleco'd in place and drilled the rest of the rib/flange holes.
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| Entry Date: Saturday, Dec 25, 2004 (details) |
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| Cleco the Main and Nose Ribs to the Forward/Aft Spar and Drill |
| Empennage
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| Horizontal Stabilizer
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| 1.25 hours
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Cleco'd and drilled all rivet holes in the ribs to the final size.
Numbered all main and nose ribs 1-12 starting from the left.
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| Entry Date: Thursday, Dec 23, 2004 (details) |
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| Position and Drill the Forward Spar Web Doublers |
| Empennage
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| Horizontal Stabilizer
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| 0.75 hours
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Removed ribs (A & B) to make room for the spar web doublers. Positioned the doublers with the alignment pins.
Drilled through all pieces.
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| Entry Date: Thursday, Dec 23, 2004 (details) |
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| Straighten and Deburr the Parts and Mark Rivet Lines |
| Empennage
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| Horizontal Stabilizer
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| 2.25 hours
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*Note: The dates are off in our construction log because we had to wait for paint to arrive. We moved on and started work on the Horizontal Stabilizer during this time.*
Checked rib flanges for squareness, straightened as needed with duckbill and fluting pliers.
Deburred edges and lightening holes.
Marked rivet lines on the nose ribs and spars.
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