What the thread found

• Mounting two full-size Alexa cameras on a single-arm Steadicam requires a custom reinforced post, as standard posts bend under the weight
• A dual-Alexa rig weighs approximately 100 pounds and benefits from heavy battery packs mounted low to improve balance
• The setup can be mounted on a Fisher 10 dolly with a racing seat and pipe framework, enabling both low-mode and mobile operation
• Spring stiffness must be properly adjusted between multiple arms to maintain harmonic balance when carrying dual cameras
• Power distribution becomes critical with dual cameras; solutions include running cables along shoulder straps or using extended battery configurations
• The Freestyle rig demonstrates significant flexing under dual-Alexa loads, requiring gentle operation to maintain camera calibration
• Gimbal yoke and post integrity are stressed by 100+ pound loads; reinforced case-hardened posts reduce but do not eliminate bending
• Mirror box flare issues increase with dual-camera configurations and require mitigation strategies

Depends on

• The described solutions were developed for specific Alexa models before the Alexa M became available
• Vest-mounted configurations require awkward gimbal repositioning before docking and limit the dual-arm advantage to cart and dolly mounting
• The reported flexing behavior of Freestyle rigs under dual-camera loads suggests potential calibration drift during operation
• No definitive maximum load capacity numbers provided for gimbal yokes under these extreme conditions
• Operator ergonomics and spine strain become severe factors at 100+ pounds, making this setup primarily suitable for cart-based operation

Gear in this thread

G-70catalog

Parts

Low Mode

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