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Bob's RV-8 Build Site
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Date:  7-29-2021
Number of Hours:  2.10
Manual Reference:  
Brief Description:  Instrument Panel Ground Bus

With the instrument panel ground bus installed I wanted to run the wires to the firewall ground point so I began with getting that started. Rather then using one larger wire I am using two #12 feeds to go back to the panel.....ample return for the current and a bit of redundancy.

Since I wasn't planning to put the ground bus in the instrument panel.....but I really needed to and I went with the 40 tab ground bus, I will divert a number of ground wires to this point instead of bringing them all the way to the firewall ground bus. Most of the things behind the panel will be grounded on the instrument ground bus. I actually pulled out a few wires from the firewall bus and have re-routed them for the inst panel bus.

Being that my battery sits close towards the back of the electrical bay, I have always known that I would need to have something as a "keeper" for the wires and my gears started turning in my cranium and knowing that Adel clamps work well for that purpose....I figured that I could modify one and that would work well also! So I straightened it out and drilled a hole to catch the two screws for the angle panel on the gear tower. I think I will have a winner. The one in the picture did crack and break because I had to straighten out the 90 degree bend in the clamp and I did a lot of additional bending so it fatigue broke. I have some big adel clamps and I will use one of those so I don't have to use the factory bent area.....but this prototype gave me a proof of concept and will make a new one next session.
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Ground Bus wires on inst pnl forest of tabs

Ground Bus wires on inst pnl forest of tabs

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Adel clamp modification

Adel clamp modification

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Wire keeper

Wire keeper

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