Boeing 737 Control Column Cross Tube Connector

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This print had teeth that match up with the Boeing control column cross-tube connections as found on the bottom of the real control column. It its designed to be fed onto a 2" O.D. pipe. (Note: Leave the 2" pipe a little long so it supports the full weight of the control column.) When in position, drill through the 3/8" bolt hole on each side and secure with a 3/8" bolt and lock-nut. If you feed the 3/8" securing bolt through an eye bolt, you can tighten that against the plug fit into the hole in the control column shaft. You may also be able to secure it with pipe clamps as in the real aircraft, but I have not tried it. I have found it to be a secure and simple way to fuse together your control columns. Print Settings Rafts: Doesn't Matter Supports: No Resolution: 3mm Infill: 80%