dholly
Joined: 19 Dec 2006 Posts: 40 Location: Upstate NY
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Posted: Mon Jun 18, 2007 7:50 am Post subject: Are Kitfox I-III and Avid HH ribs interchangeable? |
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You, like I, may have heard or read that Kitfox I-III and Avid HH use the same airfoil and wing ribs, therefore, are exact duplicates of each other. Thanks to a local KF-II builder, I had the opportunity to do a hands-on comparison of both ribs. Pics show results.
Note: in photos, KF-II rib is a new replacement which matched original perfectly; Avid HH rib has blue tape on capstrip.
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KF-II rib (top) and Avid HH rib (lower) |
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471.54 KB |
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244 Time(s) |
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Undercamber difference is quite measureable. |
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433.78 KB |
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242 Time(s) |
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Lower curve of Avid HH incorporates more undercamber. |
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353.01 KB |
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250 Time(s) |
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Top curves the same, KF-II rib slightly wider. |
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357.84 KB |
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245 Time(s) |
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