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Permalink Reply by Jerry Griego 2 hours ago

Hello Shaun

It's alright to get stuck on a home build. Take a couple days off. Planning you build on paper is important. I fly behind a Rotax 912ULS in my 701. When it comes to fuel, Rotax wants you to include a return fuel line back to a header tank or main tank. I send my return fuel back into the gascolator. I drilled and threaded it to accept a fuel line fitting. I have no issues with that. Good luck on your build. I was told that the best way to eat an elephant is one bite at a time. This is very true to building an airplane at home.

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Permalink Reply by Matt Pope 20 minutes ago

This short document has some basics about the requirements of fuel systems in amateur-built aircraft and is a decent starting point: https://www.md-ra.com/docs/C52E.pdf 

It's amazing what you can learn on YouTube. The Homebuilt Help channel (for example) has a bunch of helpful videos teaching about different parts of the fuel system, techniques for flaring aluminum tubing, etc. 

https://www.youtube.com/@HomebuiltHELP/search?query=fuel

Also, to get a feel for a 912 fuel system, a video like this one looks like it goes through a guy's fuel system in detail (I haven't watched it, so I'm not sure how good it is): https://www.youtube.com/watch?v=bjgmFOfybuQ

Cheers

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