Product Overview
Eternity F5J Center Wing Joiner, V3.1 - WingBones
Optimize the flight and extend the life of your Eternity F5J sailplane with this WingBones joiner*. This aftermarket joiner is crafted to keep your plane soaring with the highest of performance.
Key Features
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Weight: This joiner weighs 50g (FAI Light), 56g (Standard), 65g (Performance). The joiner has pockets in the front and the back for potting some light ballast (birdshot is recommended) if you would like. Over 150 grams can be added to the Performance joiner if use #9 birdshot.
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Clear Labeling: Angles are boldly marked on both ends and across the front for quick reference, and the front also shows the compatible plane model.
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Desert-Tough: Proven to withstand extreme desert heat, even when baked inside black carbon fiber wings.
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Crash-Safe Design: Engineered to maintain their angle during flight but break safely in a crash, protecting your plane’s structure.
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Rigorous Testing: WingBones V3 design is tested on specialized equipment to ensure performance comparable to OEM joiners.
Upgrade your plane with WingBones today! - It's in Your Bones -
*These are not OEM joiners and are not officially endorsed by original equipment manufacturers.
