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Fuselage Completion #15 (Firewall Mounting)

Posted by on April 22, 2015

Total Build Time: 931 Hours.

I removed the engine after having marked up the firewall and planned for component installation. I installed nutplates where practical in order to ease removal/replacement in the future.

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I made a couple spacer plates for the gascolator installation in order to allow clearance for the sump drain past the bottom of the engine mount. I chose to install the gascolator on the pilot’s side of the firewall for 2 reasons. First is because with the Aerovee turbo installation, the Aeroinjector (carburetor) ends up being on the pilot’s side. Second is because the exhaust is on the passenger side, and I wanted to avoid fuel lines running next to hot exhaust pipes.

 

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Initially I had only 1 spacer plate for the gascolator, and later added a second to increase the clearance past the bottom of the engine mount. Total of 2 1/8″ spacers (1/4″)

 

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I flared and did the initial bend on the fuel line that runs to the fuel tank to the gascolator.

 

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Once my electrical wiring is complete, I’ll install the fuel tank and finish bending and connecting the fuel line to the gascolator.

After installing all of the firewall components, I sealed all the open gaps and rivet heads on the firewall with fireproof silicon sealant.

 

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In the above picture, the grounding block looks crooked, but it follows the contour of the fuel tank to allow for maximum access.

 

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