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RV-7A Construction Log
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Date:  3-6-2009
Number of Hours:  1.00
Manual Reference:  
Brief Description:  Bellcrank - Assembly

I studied the drawing a lot to understand the bellcrank assembly, what bolts and washers I would need, and what spacers I'd have to make. I made the spacers per length called out on the drawings, although the drawing calls them "approximate." I made the spacers by cutting the tubing to length on the band saw and sanding the ends square on the belt sander, and smoothing rough edges on the scotchbrite wheel. I also primed the spacers.

I assembled the bellcranks on the workbench. Then I installed the bellcrank on the wings with the pushrods. I used some foam pipe insulator on the wing ribs to protect the push rods from getting scratched up.

This was really fun.
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Bellcranks assembled on bench

Bellcranks assembled on bench

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Bellcranks installed

Bellcranks installed

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Pipe foam to protect pushrods.

Pipe foam to protect pushrods.

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