The front right exhaust currently interferes with the radiator placement, so we plan on rerouting that part of the exhaust to fix this. Michael used his 3d printer to print up some straight pieces and bends so that we could make a mock-up of the exhaust routing first. The pieces didn't snap well together, so we used some tape to hold it together while experimenting. We came up with a relatively simple routing that bumps the exhaust out a bit to go around the radiator (The radiator is not installed in the picture below, but the radiator bracket is in place). Exhaust parts were ordered, and I've been practicing some stainless welding in prep for this part of the project.
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| Mock-up of right front exhaust |
Two holes were drilled in the firewall for the fuel inlet and outlet, and bulkhead feed-through fittings were inserted. Due to the thinness of the firewall, two aluminum spacers (1/8" thickness) were made to ensure the nuts held these fittings tight. A T-shaped bulkhead fitting was installed to allow for a restricted bypass that is required by the Rotax 912is. Hours:12
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| Fuel outlet in firewall (engine side) |
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| Fuel fitting on back side of firewall |
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