Builders,
Here is post #1 on our project plane. Just some brief notes about cleaning up the existing firewall.
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Above, a short video, as we received the plane.
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Above, Gary drills off the skin between the instrument panel and the firewall. This only takes a few minutes, does no damage,, provides great access, easily replaced.
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This is a fuel pressure regulator. It was on the plane because the builder used a non-standard carb. I highly discourage anyone from using one of these in a plane, they have a very poor track record, and are never needed with the correct carb.
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This is an electric primer solenoid. My Zenith manual tells how these are used, as old Ellison carbs needed these. Those carbs are out of production, and neither an MA3-SPA nor a Rotec TBI need this.
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Above, this is an ACS gascolater, they come with Zenith kits. They work, but I only use gascolators with a screw on bowl, like an Andair or a Smith. The blue Vans one is very gig and heavy, I never use it.
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My finger is pointing at the ground strap lug on the motor mount. In the photo, the builder ran the ground strap from the firewall, which worked, but I would rather have a short jumper from the mount to the head.
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Above, the view inside. The work is very good and tidy, it just needs a bit of cleaning.
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Above, Motor mount removed, I sold it to the builder 14 years ago. Its in perfect condition, I going to send it out and have it powder coated our standard gray color.
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I’m leaving for the Zenith Homecoming on Tuesday the 17th. , Next update will be after I get back.
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As someone who is anticipating starting my firewall forward in the coming months, I think this series is going to be extremely helpful. Thanks for taking the time to make these posts/videos.