2015General Discussion forum
Handheld stabilization rig concept using counterbalanced arms and gimbal for small cameras
What the thread found
- A counterbalanced gimbal mounted in the center of a four-arm frame can isolate roll movements and keep a small camera level during handheld operation.
- The design works by having a weighted counterbalance hang through the middle that maintains camera orientation upright within a certain tilt range.
- When tilted beyond the counterbalance range, the balance contacts internal stops, allowing intentional camera tilt adjustments but increasing vibration transmission.
- Vibration damping through soft wrapping or roller mechanisms may help reduce vibrations when the counterbalance is engaged against internal stops.
- The frame profile can be reduced in the final version to prevent the rig from appearing in wide-angle shots.
- Small cameras like action cameras and smartphones perform well with this design and continue to improve in quality and size.
Depends on
- The LEGO prototype exhibits wobble on the roll axis due to loose LEGO joints; a version with precise manufactured joints should perform better.
- The design is limited to small cameras and would become too heavy for handheld use if scaled up for larger professional cameras.
- Tilt compensation is not seamless and creates vibration issues when the counterbalance reaches its internal stops.
- The prototype was tested only with action cameras and smartphones; scaling to DSLR cameras was mentioned but not demonstrated.
- Vibration damping solutions for engaged counterbalance were identified as needing further investigation.