1. Build

Firewall

Firewall for the UltraCruiser aka Bulkhead "A"
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  • Bare Firewall or Bulkhead "A" with rudder bar support in place

    Bare Firewall or Bulkhead "A" with rudder bar support in place

    Sorry, I don't know whose UltraCruiser this is from.

  • Firewall in finished UltraCruiser --   Dennis Brook's UltraCruiser?

    Firewall in finished UltraCruiser -- Dennis Brook's UltraCruiser?

  • Dennis Brooks' ... Firewall to the far left.

    Dennis Brooks' ... Firewall to the far left.

  • Firewall and Motorbox

    Firewall and Motorbox

    I suggest DO NOT SMOKE!

  • DeFreze Nosebowl, Motorbox and Firewall (left to right)

    DeFreze Nosebowl, Motorbox and Firewall (left to right)

    Beautiful work and photo.

  • Firewall - corner detail before trimming

    Firewall - corner detail before trimming

    There is not much to the firewall ... Bulkhead "A" plus two cross support angles. Almost doesn't require any photos.

  • Firewall - Interior view looking forward

    Firewall - Interior view looking forward

    Riveting of cross support angle completed. NOTE: In place of riveting, the Rudder Bar Support will be held in place with bolts. Thus, flush riveting on the center of the lower angle.

  • Firewall - Close view looking forward at the rear of Bulkhead "A"

    Firewall - Close view looking forward at the rear of Bulkhead "A"

    Flush riveting. One pop rivet had to be used due to its close proximity to the nut plate. It took three rivets before I was satisfied. Fortunately, pop rivets are easily removed. USE OF BOLT RECOMMENDED BY BUILDERS. Allows replacement of the rudder bar and support for future modification.

  • Firewall - Front view ... final riveting of support angles complete

    Firewall - Front view ... final riveting of support angles complete

    Temporary support constructed from scrap metal.

  • Firewall - early mount proved too much stress on the aluminum.

    Firewall - early mount proved too much stress on the aluminum.

    Cleco stage.

  • Firewall finished

    Firewall finished

  • Somebody pitched the idea of using another metal for firewalls on EAA forum.

    Somebody pitched the idea of using another metal for firewalls on EAA forum.

    If you ever cut titanium ... do it outside! I was in my garage! By the way, a famous person blamed the collapse of the Twin Towers (9/11) on a conspiracy because "metal can't burn"!

  • Ercoupe - Notice simularities

    Ercoupe - Notice simularities

  • Ercoupe - Sliding canopy

    Ercoupe - Sliding canopy

    See previous photo for details

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