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Mikes Web Site
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Date: 2-12-2016
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Number of Hours: 4.00
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Manual Reference:
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Brief Description: Fuel tank plumbing
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After MUCH thought, research, and coin tossing I FINALLY settled on a fuel plumbing layout. The new ICP fuel system simply ties the outboard and inboard tank together, leaving one fuel line exiting the wing root. I really don't know if I'll ever want to isolate the tanks from each other or as inboard outboard pairs, but I really appreciate the simple, less pilot error of ICP's current layout. All tanks are tied together, including a seperate cross flow line, leaving one simple ON-OFF valve on the floor of the fuselage between the pilots legs in case of emergency to shut off the flow fo fuel to the engine. However, I liked the idea of controlling/isolating tanks, but wasn't sure I needed a complex fuel manifold to manage and risk forgetting during a distraction in flight. So...
I tied the tanks together at a T right under the access panel which should make it easier to seperate the tanks in the future should I prefer. As is, I assembled, plumbed, and pressure tested my entire system... no leaks! I also discover when looking for conduit to run strobe/nav/landing light wires in the wing, that the same mobile home plastic light weight water line also allowing the corrugated aluminium fuel tube to just slip into it. I decided to run the solid aluminium tubes throught the plastic lines as an extra measure of vibration/abrasion protection and support. With some encouragment, this doubled up arrangement still fit through the factory supplied rubber grommets giving me double protection when traversing any of the structure.
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tank plumbing
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Outboard tank connection
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Outboard joins inboard tank
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