Fuel Tank End Ribs Sealing

We sealed the end ribs for the fuel tanks for both right and left wing. The process required some pro-seal and sacrificial M4 bolts. It is critical to use gloves, since the pro-seal can get everywhere, and it has a gum-like texture, which can make it slightly harder to handle once mixed.

Photos

Below are the photos of the process: Mixing cartridge and nozzle. Sealing fuel fittings on the root rib. Sealing fuel fittings on the tip rib. Sealing around the rivnuts on the root rib. Sealing around the doubler plate on the root rib. Sacrificial bolts removed from the hex nuts.

Tools

We used some new tools for this task, as listed below:

• Pro-seal: https://www.aircraftspruce.com/catalog/appages/ps890.php
• M4 sacrificial bolts: https://www.homedepot.com/p/Everbilt-M4-0-7-x-16-mm-Class-8-8-Zinc-Plated-Hex-Bolt-3-Pack-801258/204273650
• 10:1 mixing nozzles: https://www.perigeedirect.com/products/medmix-mixpac-sulzer-mfqx-10-24t-116044f-system-square-quadro-mixing-nozzle-for-10-1-4-1-ratio-larger-2-part-cartridges-490ml
• 10:1 mixing cartridges: https://www.perigeedirect.com/products/medmix-mixpac-sulzer-200ml-f-system-empty-10-1-ratio-2-part-empty-cartridges-starter-kits-af-200-10-10-01
• Cartridge dispenser: https://www.perigeedirect.com/products/cox-vbm-200x-mr-manual-2-part-adhesive-dispenser-for-200ml-multi-ratio-1-1-2-1-4-1-10-1-cartridge-sizes-aka-m200xmr