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Dave's RV-10 Build Log
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Date:  2-20-2019
Number of Hours:  7.25
Manual Reference:  
Brief Description:  Mounting GTN650 Cage to Panel

Created the second angle bracket from aluminum sheet as detailed in the prior log entry.

Determined locations in the brackets for screws and drilled these. Then installed the brackets to the cage, mounted the cage to the front panel, and match drilled the rear bracket mounting holes into the sub-panel.

Decided the best way to attach the brackets to the panel to allow future easy removal and replacement was to install nut plates behind the sub-panel for the attachment screws. Drilled the nut plate mounting holes in the sub-panel and dimpled the sub-panel with the tight quarters dimpling tool that uses the pop-rivet tool to dimple. Dimpled the nut plate mounting mounting holes. Riveted the nut plates into place using the pneumatic rivet squeezer.

Attached the GTN650 cage in place using the fabricated brackets attached with AN507 8R8 screws to the sub-panel.

Determined that the best place for the GTX 45R transponder is attached vertically to the sub-panel just to right of the GTN650, using L brackets to hold the transponder cage out from the sub-panel so that it clears the bottom sub-panel flange, and hanging 1.5" below the flange to allow adequate room on the top of the cage for all the wiring.

Determined that using the bottom angle that was meant to support the bottom of the standard instrument panel but removed and not used due to using the Aerosport Products carbon fiber panel as material for the standoff mounting of the GTX 45R transponder would work well. Cut 2 pieces of this material of appropriate length. Cut a slot in each to allow it to fit over the bottom sub-panel flange. Attached these to the GTX frame and tested the fit in the panel.

Realized that the top of the right hand bracket will hit the right hand angle brace that passes through the sub-panel, so another slot will be required to be cut in the right hand brace.
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