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Bob's RV-8 Build Site
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Date:  2-16-2019
Number of Hours:  5.50
Manual Reference:  
Brief Description:  Quad & Console #10

I really like manual trim systems because they are far better, in my estimation, to “fine tune” the aircraft trim to get it jussst right! With electrical trim the “feel” isn’t quite there. I originally opted to put manual trim for the elevator as well, but having decided to install an autopilot in the airplane, I needed to have an electric trim in order for the autopilot to keep the aircraft in a trimmed condition during the time it is engaged. The roll axis of the autopilot does not use the trim function when in operation, so I decided to stick with the manual option for the roll axis.

So in following the design of the console after my friend Rick’s airplane, it became necessary to cut the roll trim arc into the new console side panel for the roll trim adjustment control. Vans provides a panel for that purpose but it cannot be used with the modified console. I went into the machine shop and programmed the arc in the milling machine and cut it to the specs of the original trim panel from Vans. I took my time and checked it over several times before cutting the arc in the console panel and it worked excellent. I deburred the slot and temporarily installed the trim handle to check it….ops check good.

I made some bends for the side panel by the throttle quadrant and the rear end of the side panel. I marked the holes for the side panel screw locations. I marked and made reliefs where I would eventually bend the bottom edge of the side panel to add rigidity.

I made the angle that would attach the side panel to the canted front panel. I marked areas where I would cut reliefs for the sections that would be rolled for rigidity.
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On the Mill Machine

On the Mill Machine

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Arc is good

Arc is good

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Close up

Close up

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