SNB-G01: Fuel System
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Fuel System Plumbing – Part 3
Installed 45 degree and AN fitting after fuel cube using Teflon paste. Cut a piece of solid aluminum fuel line to length and used tubing bender to bend into shape. Installed tube nut hardware on hardline and used flaring tool to flare ends of hardline. Installed hardline in between fuel flow cube and bulkhead fitting.…
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Fuel System Plumbing – Part 2
Located new bulkhead hole one inch above plans measurement to ensure continuous fuel flow. Updrilled bulkhead hole to 9/16″. Created spacer from 1/8″ aluminum scrap to go between bulkhead tee fitting and nut to keep assembly from rotating. Tried to make flex hose to connect fuel system but couldn’t get the geometry correct due to…
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Fuel System Plumbing – Part 1
Began plumbing the fuel system starting at the fuel tank. Used liquid teflon on all NPT threads. Made short run of fuel hose to go to bulkhead fitting. Had success creating fuel line by cutting line with cable snips and using zip tie around end to prevent jacket fraying. Marked firewall pass through location: will…
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Fuel Tank Installation
Rinsed tank out with water to clear out debris from inside. Re-fit tank to fuselage and trimmed fuel bay area slightly more to accommodate vent fitting. Clecoed tank stop into place and confirmed tank was sitting full forward. Installed fuel tank straps and lightly tightened straps until they were touching the tank fully. Used AN3-7A…
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Fuel Tank Prep – Part 2
Drilled hole in fuel tank for fuel vent “oops” fitting then deburred/cleaned. Temporarily installed fuel tank straps and fuel tank then marked location of fuel tank vent on glareshield with strap duplicator. Removed fuel tank and drilled slightly oversized clearance hole in glareshield. Rinsed tank thoroughly with water then installed temporary brass plugs in bottom…
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Fuel Tank Prep – Part 1
Located main drain hole in fuel tank and drilled opening with spade bit. Deburred edges with file and sandpaper then used wire trick to install “oops” fitting. Drilled fuel sender hole two inches over with step bit and deburred hole. Installed fuel sender oops fitting into tank. Hours Worked: 0.97