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Monday, August 28, 2017

Riveted forward fuselage structure, started installing avionics: 5 hours


  • Riveted sub-panel to canopy deck - used a combination of msp-42 pull rivets and driven rivets
  • Riveted ribs to firewall - used hand squeezer and rivet gun
  • Installed firewall sensor manifold - this will hold transducers for oil, fuel and manifold pressure.
  • Installed mounts for VPX ECB (electronic circuit breaker) and EFII ignition computers - these mounts were fabricated from aluminum angle and also help to stiffen up the sub-panel structure
  • Installed mounts on to remote transponder tray then installed the assembly including the GTX-33 transponder
  • Installed the dual GSU-25 ADAHRS computers (air data attitude heading reference system!) - the combination of the sub-panel doubler and the transponder mounts make this side of the sub-panel very stiff which is what you want for the ADAHRS units.
  • Installed the GDL-39R ADS-B receiver.
  • I was going to mount the VPX unit but first I will need to make a standoff to keep one of the right brake lines from rubbing on it.


Sub-panel with ADAHRS (left), GTX-33 (lower left), GDL-39R (right) and VPX (lower right):

Electronic ignition computer and VPX ECB mounts:

GTX-33 transponder tray mounted:

Transponder tray in progress:

Sensor manifold:

Riveting in progress: