2010Arms forum
Function of Steadicam arm and vest systems beyond weight support
16 years old. Gear and prices may have changed since.
What the thread found
- The arm and vest system provides vibration isolation, particularly dampening movement from the operator's walking motion that would otherwise transfer through the socketblock.
- The gimbal itself performs most high-frequency vibration damping and removes angular components of lift, meaning smooth shots are achievable without a mechanical arm as demonstrated by gimbal-only rigs.
- A two-person handlebar carry method using the gimbal handle can produce very smooth results and allows booming movements of approximately six feet, though this approach has space and positioning limitations compared to single-operator arm setups.
- Multiple people carrying a rig via handlebar averaging their vertical movements reduces unwanted vertical motion, but synchronized walking between carriers should be avoided.
- Operating with an arm typically requires significant manual input adjustment, particularly when walking at very slow speeds.
Depends on
- Discussion is hypothetical regarding the question of whether an arm would benefit smoothness if weight were not a limiting factor.
- No specific comparison data provided between arm-supported and handlebar-carried rigs under identical conditions.
- Experience reports are anecdotal rather than systematic testing.
- The buddy cam approach is noted as space-limited and not always practical for all shooting scenarios.