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SECTION 13: MAIN SPAR: Difference between revisions
Added a few extra wing spar tips
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==== Modifications to Consider ==== | ==== Modifications to Consider ==== | ||
* Some people decide to install extended-range fuel tanks. | * Some people decide to install extended-range fuel tanks. At least for some options ([[SkyDesigns Installation Hints]]) it will save you some time to start making the necessary modifications now. | ||
* [https://cleavelandtool.com/products/threaded-extruded-aex-tie-down-block Consider buying two pre-tapped AEX tie-downs] | |||
==== Page 13-2 ==== | ==== Page 13-2 ==== | ||
''Note: steps 5-8 may be less confusing with a bit of context. You are using the spar flanges as templates for drilling the J-channel stiffeners. They will not be attached to the spar in the end. After you finish step 8 you will not need the J-channel until a later section. You can debur and prime now or later.'' | |||
* Figure 1 shows an "extra" hole on the flange. It is not used anywhere, does not need countersinking.<br>[[File:2022-08-05 15-56-39.jpg|500x500px]] | * Figure 1 shows an "extra" hole on the flange. It is not used anywhere, does not need countersinking.<br>[[File:2022-08-05 15-56-39.jpg|500x500px]] | ||
* Step 7: Study figure 2 which points out that the long stiffeners align at the outboard end while the short stiffeners align at the inboard end. | * Step 7: Study figure 2 which points out that the long stiffeners align at the outboard end while the short stiffeners align at the inboard end. | ||