2019منتدى Batteries/Power
DIY electronics upgrade for budget steadicam rig including coiled cabling, power distribution, and connector selection
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- A hybrid coiled cable combining a 75 ohm coax and multiple conductor wires can be created by coiling a standard multi-conductor cable and taping a little coax cable alongside it when a true hybrid cable is unavailable or too expensive.
- ويمكن لمقياس الوصلات من 0.75 ملليمتر إلى 1 ملم2 من خلال مركز ضيق أن يتوفر ما يكفي من أجهزة الدخول إلى الطاقة وصناديق التوزيع عندما تكون الكاميرا الرئيسية مجهزة ببطارية خاصة بها، مما يحد من قدرة الوصلات الـ sled فقط.
- Standard 3-pin XLR connectors rated for 15 amps provide a cost-effective alternative to LEMO connectors for center post and main battery connections.
- Diodes should be installed in the power distribution to prevent reverse current flow back into the battery.
- V-mount battery plates can be integrated under the center post with minimal effort for additional mounting flexibility.
- Cable strain reliefs on the junction box protect wired connections from stress when extending the center post or repositioning components.
- Fuse ratings of approximately 5 amps for D-Tap connectors and 7 amps for auxiliary outputs provide reasonable protection.
- The complete power and distribution system upgrade for a budget practice rig can be accomplished for under 100 dollars using salvaged or inexpensive components.
يعتمد على
- The approach is specifically designed for a narrow center post and may not apply to standard professional steadicam geometries.
- Cable configuration with taped coax is a workaround solution, not as robust as purpose-built hybrid coiled cables.
- This setup is intended for practice and non-commercial use, not professional paid work.
- Power capacity is limited by the thin gauge wire suitable for the narrow post, restricting it to accessories and lighter camera setups like the Alexa Mini.
- Wire gauge recommendations assume the center post is not wide enough to accommodate 14 AWG cable.