Needed places to mount my receiver and my I-Laps transponder. 

I decided to integrate them into this backbone so that it would stiffen up the entire chassis all in one go.

The ESC just tapes onto the foot of the riser part and is able to be removed as one electronics subassembly for ease of maintenance.

A couple of clips are included that can be screwed onto the bridge plate in order to help tidy up wiring and keep everything neat

Update 8/8/2024: 

Added V3.5 that has more material removed for reduced weight

Receiver pocket has been removed in favor of high tier servos that have a lead barely long enough to mount he receiver on top of the servo

Added additional wire routing loops