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BD-4C Airplane Firewall

June 19, 2017 Art Zemon

The firewall on my Bede BD-4C airplane is finally bolted in place. There are 58 bolts. They have all been on, and off, and on, and off, and on again. Some more times than that. But they are finally all on for (I hope) the last time.

Since the firewall is basically just a big flat pieces of stainless steel, the photos are boring. Here is the worst:

Bede BD-4C firewall
Bede BD-4C firewall

Here is a close-up of the center section. This part was at least kind of interesting, since I tried to follow the curved outline of the landing gear. It did not come out quite symmetrical but, fortunately, I can trust you to keep it a secret and not let anyone else know that my airplane is less than perfectly crafted.

Firewall close-up
Firewall close-up

I made inserts for the rectangular channels that support the engine mount. Here is one of them.

Firewall insert inside rectangular channel
Firewall insert inside rectangular channel

The last task, which I will wait awhile to do, is to fill all of the gaps with 3M Fire Barrier 2000+, a fire rated silicone sealant.

Bede BD-4C

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About Art Zemon

Omni-curious geek. Husband. Father. Airplane builder & pilot. Bicyclist. Photographer. Computer engineer.

Comments

  1. John Brecher says

    June 20, 2017 at 12:17 pm

    Looking good!

  2. Gale says

    June 20, 2017 at 1:28 pm

    Where’s the MOTOR???

  3. Jim Hann says

    June 21, 2017 at 7:23 pm

    Looking good Art! Is the back side of the nose gear shock sealed up to prevent gas entry?

    • Art Zemon says

      June 21, 2017 at 8:40 pm

      No. It’s a less-than-perfect design. Stop by sometime when you are near my house and we can brainstorm a bit. Maybe there is something to do to reduce the risk.

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