CR21 plate supporting the bellcrank at the frame.
Superseded by double shear bellcrank tabs welded directly to the frame from CR26I.
No part-specific design process is documented. The Bellcranks subsystem design process applies: 1. Take the wheel rate target from kinematics; the bellcrank is named by it (CR26I front is the 150 lb/in wheel rate crank, rear the 200 lb/in). 2. Set the architecture: connection points, pivot location, double or single shear. 3. Size the pivot for shear from the vector sum of rod and damper loads. 4. Run single-plate FEA for deflection first, then stress. CR26I rear single plate at 0.19 in gave FoS 3.54. 5. Calculate the wheel rate change that the measured deflection produces, and confirm it is inside tolerance. 6. Fit and validate the damper position sensor.
Waterjet from sheet, or laid up on a milled or 3D printed mold.
Steel.
None recorded. This part has no entry in Knowledge_Transfer/Issue Logging/Fault Vault.xlsx, in either Issue Log.xlsx, in CR22/Issue Tracking/Shakedown 7-15-23.xlsx, or in any design review issue list found in CrimsonStorage or Box.
Nothing in CrimsonStorage covers these yet.