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RV BUILDER NET .COM
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| 08.08 Horizontal Stabilizer |
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| Step 1: Cleco the two
modified inboard HS-905 Nose Ribs ( the ribs with the hole cut in the
web ) to the front spar assembly as shown in Figure 1 ( Ignore the
cradles for now , they are introduced in a latter step. ) Notice that
there five holes in the spar at these two rib locations. but only three
holes in the aft flange of the noise rib. Using a 1/8" drill, match-
drill the two extra holes
of the spar into the noise rib. Cleco into position the two inboard HS-1004 Inspar Ribs ( the ribs with four trimmed flanges ) and, using the same drill, match-drill the center hole of the nose rib and the spar into the inspar rib flange. 01/27/08 |
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| Step 2: Cleco the rest of the HS-905 Nose Ribs to the front spar assembly as shown in Figure 1. Note that except for the two inboard ribs, the flanges of the nose ribs are all pointed outward. Use a #30 drill to final-drill all of the holes common to the nose ribs, spar web, and the two inboard in-spar ribs. | |||||||||||||
| Step 3: Cleco the rest
of the H-S904 and HS-1004 inspar ribs to the front spar assembly. Once
again, except for the two inboard inspar ribs, the flanges all point
outward. Notice in Figure 1 that the inspar ribs with two trimmed
flanges are located just outboard of the inspar ribs with four trimmed
flanges. Final-Drill the holes common to the inspar ribs and the web of the front spar assembly using a #30 drill. |
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| Step 4: Mark the nose and inspar ribs so that , once removed , the can be reassembled to the same position on the spar. | |||||||||||||
| Step 5: Deburr the edges of the HS-1001 Skins. Remove the vinyl from the inside surface of the skins; the added thickness makes it difficult to install the HS-905 Nose Ribs. | |||||||||||||
| Step 6: Set up the four
cradles to support the HS-1001 Skins as shown in Figure 1, Then clamp
them to the work bench. Adjust the position of the cradles, if
necessary, while the stabilizer is being clecoed together so they don't
interfere with it's alignment. Note I let the center two cradles float. |
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| Step 7: Insert the HS-1001 Skins into the cradles. The skins are symmetrical: at this point there is no top or bottom, left or right . So it doesn't matter which skin goes in which cradle. Just make sure the angled end of the skins are facing inboard. | |||||||||||||
| Step 8: One at a time
remove the nose ribs from the front spar assembly and Cleco
them to the skins. Cleco the front spar / inspar rib assembly to the
nose ribs and the flanges of the front spar 02/03/08 |
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Note: This is my builders log and is not Intended to replace Vans Construction drawings |
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Disclaimer : Information contained on this Site may be out of date and /or inaccurate - Please Confirm any important data with a reliable source. |